-//\r
-// System.Web.UI.WebControls.FormView.cs\r
-//\r
-// Authors:\r
-// Lluis Sanchez Gual (lluis@novell.com)\r
-//\r
-// (C) 2005 Novell, Inc (http://www.novell.com)\r
-//\r
-// Permission is hereby granted, free of charge, to any person obtaining\r
-// a copy of this software and associated documentation files (the\r
-// "Software"), to deal in the Software without restriction, including\r
-// without limitation the rights to use, copy, modify, merge, publish,\r
-// distribute, sublicense, and/or sell copies of the Software, and to\r
-// permit persons to whom the Software is furnished to do so, subject to\r
-// the following conditions:\r
-// \r
-// The above copyright notice and this permission notice shall be\r
-// included in all copies or substantial portions of the Software.\r
-// \r
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,\r
-// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\r
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND\r
-// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE\r
-// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION\r
-// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION\r
-// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
-//\r
-\r
-#if NET_2_0\r
-\r
-using System;\r
-using System.Collections;\r
-using System.Collections.Specialized;\r
-using System.ComponentModel;\r
-using System.Web.UI;\r
-using System.Security.Permissions;\r
-using System.Text;\r
-using System.IO;\r
-using System.Reflection;\r
-\r
-namespace System.Web.UI.WebControls\r
-{\r
- [SupportsEventValidation]\r
- [DesignerAttribute ("System.Web.UI.Design.WebControls.FormViewDesigner, " + Consts.AssemblySystem_Design, "System.ComponentModel.Design.IDesigner")]\r
- [ControlValuePropertyAttribute ("SelectedValue")]\r
- [DefaultEventAttribute ("PageIndexChanging")]\r
- [AspNetHostingPermissionAttribute (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]\r
- [AspNetHostingPermissionAttribute (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]\r
- public class FormView: CompositeDataBoundControl, IDataItemContainer, INamingContainer, IPostBackEventHandler, IPostBackContainer\r
- {\r
- object dataItem;\r
- \r
- Table table;\r
- FormViewRow headerRow;\r
- FormViewRow footerRow;\r
- FormViewRow bottomPagerRow;\r
- FormViewRow topPagerRow;\r
- FormViewRow itemRow;\r
- \r
- IOrderedDictionary currentEditRowKeys;\r
- IOrderedDictionary currentEditNewValues;\r
- IOrderedDictionary currentEditOldValues;\r
- \r
- ITemplate pagerTemplate;\r
- ITemplate emptyDataTemplate;\r
- ITemplate headerTemplate;\r
- ITemplate footerTemplate;\r
- ITemplate editItemTemplate;\r
- ITemplate insertItemTemplate;\r
- ITemplate itemTemplate;\r
- \r
- PropertyDescriptor[] cachedKeyProperties;\r
- readonly string[] emptyKeys = new string[0];\r
- \r
- // View state\r
- PagerSettings pagerSettings;\r
- \r
- TableItemStyle editRowStyle;\r
- TableItemStyle insertRowStyle;\r
- TableItemStyle emptyDataRowStyle;\r
- TableItemStyle footerStyle;\r
- TableItemStyle headerStyle;\r
- TableItemStyle pagerStyle;\r
- TableItemStyle rowStyle;\r
- \r
- IOrderedDictionary _keyTable;\r
- DataKey key;\r
- DataKey oldEditValues;\r
- \r
- private static readonly object PageIndexChangedEvent = new object();\r
- private static readonly object PageIndexChangingEvent = new object();\r
- private static readonly object ItemCommandEvent = new object();\r
- private static readonly object ItemCreatedEvent = new object();\r
- private static readonly object ItemDeletedEvent = new object();\r
- private static readonly object ItemDeletingEvent = new object();\r
- private static readonly object ItemInsertedEvent = new object();\r
- private static readonly object ItemInsertingEvent = new object();\r
- private static readonly object ModeChangingEvent = new object();\r
- private static readonly object ModeChangedEvent = new object();\r
- private static readonly object ItemUpdatedEvent = new object();\r
- private static readonly object ItemUpdatingEvent = new object();\r
- \r
- // Control state\r
- int pageIndex;\r
- FormViewMode currentMode = FormViewMode.ReadOnly; \r
- bool hasCurrentMode;\r
- int pageCount;\r
- \r
- public event EventHandler PageIndexChanged {\r
- add { Events.AddHandler (PageIndexChangedEvent, value); }\r
- remove { Events.RemoveHandler (PageIndexChangedEvent, value); }\r
- }\r
- \r
- public event FormViewPageEventHandler PageIndexChanging {\r
- add { Events.AddHandler (PageIndexChangingEvent, value); }\r
- remove { Events.RemoveHandler (PageIndexChangingEvent, value); }\r
- }\r
- \r
- public event FormViewCommandEventHandler ItemCommand {\r
- add { Events.AddHandler (ItemCommandEvent, value); }\r
- remove { Events.RemoveHandler (ItemCommandEvent, value); }\r
- }\r
- \r
- public event EventHandler ItemCreated {\r
- add { Events.AddHandler (ItemCreatedEvent, value); }\r
- remove { Events.RemoveHandler (ItemCreatedEvent, value); }\r
- }\r
- \r
- public event FormViewDeletedEventHandler ItemDeleted {\r
- add { Events.AddHandler (ItemDeletedEvent, value); }\r
- remove { Events.RemoveHandler (ItemDeletedEvent, value); }\r
- }\r
- \r
- public event FormViewDeleteEventHandler ItemDeleting {\r
- add { Events.AddHandler (ItemDeletingEvent, value); }\r
- remove { Events.RemoveHandler (ItemDeletingEvent, value); }\r
- }\r
- \r
- public event FormViewInsertedEventHandler ItemInserted {\r
- add { Events.AddHandler (ItemInsertedEvent, value); }\r
- remove { Events.RemoveHandler (ItemInsertedEvent, value); }\r
- }\r
- \r
- public event FormViewInsertEventHandler ItemInserting {\r
- add { Events.AddHandler (ItemInsertingEvent, value); }\r
- remove { Events.RemoveHandler (ItemInsertingEvent, value); }\r
- }\r
- \r
- public event FormViewModeEventHandler ModeChanging {\r
- add { Events.AddHandler (ModeChangingEvent, value); }\r
- remove { Events.RemoveHandler (ModeChangingEvent, value); }\r
- }\r
- \r
- public event EventHandler ModeChanged {\r
- add { Events.AddHandler (ModeChangedEvent, value); }\r
- remove { Events.RemoveHandler (ModeChangedEvent, value); }\r
- }\r
- \r
- public event FormViewUpdatedEventHandler ItemUpdated {\r
- add { Events.AddHandler (ItemUpdatedEvent, value); }\r
- remove { Events.RemoveHandler (ItemUpdatedEvent, value); }\r
- }\r
- \r
- public event FormViewUpdateEventHandler ItemUpdating {\r
- add { Events.AddHandler (ItemUpdatingEvent, value); }\r
- remove { Events.RemoveHandler (ItemUpdatingEvent, value); }\r
- }\r
- \r
- protected virtual void OnPageIndexChanged (EventArgs e)\r
- {\r
- if (Events != null) {\r
- EventHandler eh = (EventHandler) Events [PageIndexChangedEvent];\r
- if (eh != null) eh (this, e);\r
- }\r
- }\r
- \r
- protected virtual void OnPageIndexChanging (FormViewPageEventArgs e)\r
- {\r
- if (Events != null) {\r
- FormViewPageEventHandler eh = (FormViewPageEventHandler) Events [PageIndexChangingEvent];\r
- if (eh != null) eh (this, e);\r
- }\r
- }\r
- \r
- protected virtual void OnItemCommand (FormViewCommandEventArgs e)\r
- {\r
- if (Events != null) {\r
- FormViewCommandEventHandler eh = (FormViewCommandEventHandler) Events [ItemCommandEvent];\r
- if (eh != null) eh (this, e);\r
- }\r
- }\r
- \r
- protected virtual void OnItemCreated (EventArgs e)\r
- {\r
- if (Events != null) {\r
- EventHandler eh = (EventHandler) Events [ItemCreatedEvent];\r
- if (eh != null) eh (this, e);\r
- }\r
- }\r
- \r
- protected virtual void OnItemDeleted (FormViewDeletedEventArgs e)\r
- {\r
- if (Events != null) {\r
- FormViewDeletedEventHandler eh = (FormViewDeletedEventHandler) Events [ItemDeletedEvent];\r
- if (eh != null) eh (this, e);\r
- }\r
- }\r
- \r
- protected virtual void OnItemInserted (FormViewInsertedEventArgs e)\r
- {\r
- if (Events != null) {\r
- FormViewInsertedEventHandler eh = (FormViewInsertedEventHandler) Events [ItemInsertedEvent];\r
- if (eh != null) eh (this, e);\r
- }\r
- }\r
- \r
- protected virtual void OnItemInserting (FormViewInsertEventArgs e)\r
- {\r
- if (Events != null) {\r
- FormViewInsertEventHandler eh = (FormViewInsertEventHandler) Events [ItemInsertingEvent];\r
- if (eh != null) eh (this, e);\r
- }\r
- }\r
- \r
- protected virtual void OnItemDeleting (FormViewDeleteEventArgs e)\r
- {\r
- if (Events != null) {\r
- FormViewDeleteEventHandler eh = (FormViewDeleteEventHandler) Events [ItemDeletingEvent];\r
- if (eh != null) eh (this, e);\r
- }\r
- }\r
- \r
- protected virtual void OnModeChanged (EventArgs e)\r
- {\r
- if (Events != null) {\r
- EventHandler eh = (EventHandler) Events [ModeChangedEvent];\r
- if (eh != null) eh (this, e);\r
- }\r
- }\r
- \r
- protected virtual void OnModeChanging (FormViewModeEventArgs e)\r
- {\r
- if (Events != null) {\r
- FormViewModeEventHandler eh = (FormViewModeEventHandler) Events [ModeChangingEvent];\r
- if (eh != null) eh (this, e);\r
- }\r
- }\r
- \r
- protected virtual void OnItemUpdated (FormViewUpdatedEventArgs e)\r
- {\r
- if (Events != null) {\r
- FormViewUpdatedEventHandler eh = (FormViewUpdatedEventHandler) Events [ItemUpdatedEvent];\r
- if (eh != null) eh (this, e);\r
- }\r
- }\r
- \r
- protected virtual void OnItemUpdating (FormViewUpdateEventArgs e)\r
- {\r
- if (Events != null) {\r
- FormViewUpdateEventHandler eh = (FormViewUpdateEventHandler) Events [ItemUpdatingEvent];\r
- if (eh != null) eh (this, e);\r
- }\r
- }\r
- \r
- \r
- [WebCategoryAttribute ("Paging")]\r
- [DefaultValueAttribute (false)]\r
- public virtual bool AllowPaging {\r
- get {\r
- object ob = ViewState ["AllowPaging"];\r
- if (ob != null) return (bool) ob;\r
- return false;\r
- }\r
- set {\r
- ViewState ["AllowPaging"] = value;\r
- RequireBinding ();\r
- }\r
- }\r
- \r
- [UrlPropertyAttribute]\r
- [WebCategoryAttribute ("Appearance")]\r
- [DefaultValueAttribute ("")]\r
- [EditorAttribute ("System.Web.UI.Design.ImageUrlEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]\r
- public virtual string BackImageUrl {\r
- get {\r
- if (ControlStyleCreated)\r
- return ((TableStyle) ControlStyle).BackImageUrl;\r
- return String.Empty;\r
- }\r
- set {\r
- ((TableStyle) ControlStyle).BackImageUrl = value;\r
- }\r
- }\r
-\r
- [DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]\r
- [BrowsableAttribute (false)]\r
- public virtual FormViewRow BottomPagerRow {\r
- get {\r
- EnsureChildControls ();\r
- return bottomPagerRow;\r
- }\r
- }\r
- \r
- [WebCategoryAttribute ("Accessibility")]\r
- [DefaultValueAttribute ("")]\r
- [LocalizableAttribute (true)]\r
- public virtual string Caption {\r
- get {\r
- object ob = ViewState ["Caption"];\r
- if (ob != null) return (string) ob;\r
- return string.Empty;\r
- }\r
- set {\r
- ViewState ["Caption"] = value;\r
- RequireBinding ();\r
- }\r
- }\r
- \r
- [WebCategoryAttribute ("Accessibility")]\r
- [DefaultValueAttribute (TableCaptionAlign.NotSet)]\r
- public virtual TableCaptionAlign CaptionAlign\r
- {\r
- get {\r
- object o = ViewState ["CaptionAlign"];\r
- if(o != null) return (TableCaptionAlign) o;\r
- return TableCaptionAlign.NotSet;\r
- }\r
- set {\r
- ViewState ["CaptionAlign"] = value;\r
- RequireBinding ();\r
- }\r
- }\r
-\r
- [WebCategoryAttribute ("Layout")]\r
- [DefaultValueAttribute (-1)]\r
- public virtual int CellPadding\r
- {\r
- get {\r
- if (ControlStyleCreated)\r
- return ((TableStyle) ControlStyle).CellPadding;\r
- return -1;\r
- }\r
- set {\r
- ((TableStyle) ControlStyle).CellPadding = value;\r
- }\r
- }\r
-\r
- [WebCategoryAttribute ("Layout")]\r
- [DefaultValueAttribute (0)]\r
- public virtual int CellSpacing\r
- {\r
- get {\r
- if (ControlStyleCreated)\r
- return ((TableStyle) ControlStyle).CellSpacing;\r
- return 0;\r
- }\r
- set {\r
- ((TableStyle) ControlStyle).CellSpacing = value;\r
- }\r
- }\r
- \r
- [DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]\r
- [BrowsableAttribute (false)]\r
- public FormViewMode CurrentMode {\r
- get {\r
- return hasCurrentMode ? currentMode : DefaultMode;\r
- }\r
- private set {\r
- hasCurrentMode = true;\r
- currentMode = value;\r
- }\r
- }\r
-\r
- FormViewMode defaultMode;\r
-\r
- [DefaultValueAttribute (FormViewMode.ReadOnly)]\r
- [WebCategoryAttribute ("Behavior")]\r
- public virtual FormViewMode DefaultMode {\r
- get {\r
- return defaultMode;\r
- }\r
- set {\r
- defaultMode = value;\r
- RequireBinding ();\r
- }\r
- }\r
-\r
- string[] dataKeyNames;\r
- [DefaultValueAttribute (null)]\r
- [WebCategoryAttribute ("Data")]\r
- [TypeConverter (typeof(StringArrayConverter))]\r
- [EditorAttribute ("System.Web.UI.Design.WebControls.DataFieldEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]\r
- public virtual string[] DataKeyNames\r
- {\r
- get {\r
- if (dataKeyNames == null)\r
- return emptyKeys;\r
- return dataKeyNames;\r
- }\r
- set {\r
- dataKeyNames = value;\r
- RequireBinding ();\r
- }\r
- }\r
- \r
- IOrderedDictionary KeyTable {\r
- get {\r
- if (_keyTable == null) {\r
- _keyTable = new OrderedDictionary (DataKeyNames.Length);\r
- }\r
- return _keyTable;\r
- }\r
- }\r
-\r
- [BrowsableAttribute (false)]\r
- [DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]\r
- public virtual DataKey DataKey {\r
- get {\r
- if (key == null) {\r
- key= new DataKey (KeyTable);\r
- }\r
- return key;\r
- }\r
- }\r
-\r
- DataKey OldEditValues {\r
- get {\r
- if (oldEditValues == null) {\r
- oldEditValues = new DataKey (new OrderedDictionary ());\r
- }\r
- return oldEditValues;\r
- }\r
- }\r
-\r
- [DefaultValue (null)]\r
- [TemplateContainer (typeof(FormView), BindingDirection.TwoWay)]\r
- [PersistenceMode (PersistenceMode.InnerProperty)]\r
- [Browsable (false)]\r
- public virtual ITemplate EditItemTemplate {\r
- get { return editItemTemplate; }\r
- set { editItemTemplate = value; RequireBinding (); }\r
- }\r
-\r
- [WebCategoryAttribute ("Styles")]\r
- [PersistenceMode (PersistenceMode.InnerProperty)]\r
- [NotifyParentProperty (true)]\r
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]\r
- [DefaultValueAttribute (null)]\r
- public TableItemStyle EditRowStyle {\r
- get {\r
- if (editRowStyle == null) {\r
- editRowStyle = new TableItemStyle ();\r
- if (IsTrackingViewState)\r
- editRowStyle.TrackViewState();\r
- }\r
- return editRowStyle;\r
- }\r
- }\r
- \r
- [WebCategoryAttribute ("Styles")]\r
- [PersistenceMode (PersistenceMode.InnerProperty)]\r
- [NotifyParentProperty (true)]\r
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]\r
- [DefaultValueAttribute (null)]\r
- public TableItemStyle EmptyDataRowStyle {\r
- get {\r
- if (emptyDataRowStyle == null) {\r
- emptyDataRowStyle = new TableItemStyle ();\r
- if (IsTrackingViewState)\r
- emptyDataRowStyle.TrackViewState();\r
- }\r
- return emptyDataRowStyle;\r
- }\r
- }\r
- \r
- [DefaultValue (null)]\r
- [TemplateContainer (typeof(FormView), BindingDirection.OneWay)]\r
- [PersistenceMode (PersistenceMode.InnerProperty)]\r
- [Browsable (false)]\r
- public virtual ITemplate EmptyDataTemplate {\r
- get { return emptyDataTemplate; }\r
- set { emptyDataTemplate = value; RequireBinding (); }\r
- }\r
- \r
- [LocalizableAttribute (true)]\r
- [WebCategoryAttribute ("Appearance")]\r
- [DefaultValueAttribute ("")]\r
- public virtual string EmptyDataText {\r
- get {\r
- object ob = ViewState ["EmptyDataText"];\r
- if (ob != null) return (string) ob;\r
- return string.Empty;\r
- }\r
- set {\r
- ViewState ["EmptyDataText"] = value;\r
- RequireBinding ();\r
- }\r
- }\r
- \r
- [DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]\r
- [BrowsableAttribute (false)]\r
- public virtual FormViewRow FooterRow {\r
- get {\r
- EnsureChildControls ();\r
- return footerRow;\r
- }\r
- }\r
- \r
- [DefaultValue (null)]\r
- [TemplateContainer (typeof(FormView), BindingDirection.OneWay)]\r
- [PersistenceMode (PersistenceMode.InnerProperty)]\r
- [Browsable (false)]\r
- public virtual ITemplate FooterTemplate {\r
- get { return footerTemplate; }\r
- set { footerTemplate = value; RequireBinding (); }\r
- }\r
-\r
- [LocalizableAttribute (true)]\r
- [WebCategoryAttribute ("Appearance")]\r
- [DefaultValueAttribute ("")]\r
- public virtual string FooterText {\r
- get {\r
- object ob = ViewState ["FooterText"];\r
- if (ob != null) return (string) ob;\r
- return string.Empty;\r
- }\r
- set {\r
- ViewState ["FooterText"] = value;\r
- RequireBinding ();\r
- }\r
- }\r
- \r
- [WebCategoryAttribute ("Styles")]\r
- [PersistenceMode (PersistenceMode.InnerProperty)]\r
- [NotifyParentProperty (true)]\r
- [DefaultValue (null)]\r
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]\r
- public TableItemStyle FooterStyle {\r
- get {\r
- if (footerStyle == null) {\r
- footerStyle = new TableItemStyle ();\r
- if (IsTrackingViewState)\r
- footerStyle.TrackViewState();\r
- }\r
- return footerStyle;\r
- }\r
- }\r
- \r
- [WebCategoryAttribute ("Appearance")]\r
- [DefaultValueAttribute (GridLines.None)]\r
- public virtual GridLines GridLines {\r
- get {\r
- if (ControlStyleCreated)\r
- return ((TableStyle) ControlStyle).GridLines;\r
- return GridLines.None;\r
- }\r
- set {\r
- ((TableStyle) ControlStyle).GridLines = value;\r
- }\r
- }\r
-\r
- [DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]\r
- [BrowsableAttribute (false)]\r
- public virtual FormViewRow HeaderRow {\r
- get {\r
- EnsureChildControls ();\r
- return headerRow;\r
- }\r
- }\r
- \r
- [WebCategoryAttribute ("Styles")]\r
- [PersistenceMode (PersistenceMode.InnerProperty)]\r
- [NotifyParentProperty (true)]\r
- [DefaultValue (null)]\r
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]\r
- public TableItemStyle HeaderStyle {\r
- get {\r
- if (headerStyle == null) {\r
- headerStyle = new TableItemStyle ();\r
- if (IsTrackingViewState)\r
- headerStyle.TrackViewState();\r
- }\r
- return headerStyle;\r
- }\r
- }\r
- \r
- [DefaultValue (null)]\r
- [TemplateContainer (typeof(FormView), BindingDirection.OneWay)]\r
- [PersistenceMode (PersistenceMode.InnerProperty)]\r
- [Browsable (false)]\r
- public virtual ITemplate HeaderTemplate {\r
- get { return headerTemplate; }\r
- set { headerTemplate = value; RequireBinding (); }\r
- }\r
-\r
- [LocalizableAttribute (true)]\r
- [WebCategoryAttribute ("Appearance")]\r
- [DefaultValueAttribute ("")]\r
- public virtual string HeaderText {\r
- get {\r
- object ob = ViewState ["HeaderText"];\r
- if (ob != null) return (string) ob;\r
- return string.Empty;\r
- }\r
- set {\r
- ViewState ["HeaderText"] = value;\r
- RequireBinding ();\r
- }\r
- }\r
- \r
- [Category ("Layout")]\r
- [DefaultValueAttribute (HorizontalAlign.NotSet)]\r
- public virtual HorizontalAlign HorizontalAlign {\r
- get {\r
- if (ControlStyleCreated)\r
- return ((TableStyle) ControlStyle).HorizontalAlign;\r
- return HorizontalAlign.NotSet;\r
- }\r
- set {\r
- ((TableStyle) ControlStyle).HorizontalAlign = value;\r
- }\r
- }\r
-\r
- [DefaultValue (null)]\r
- [TemplateContainer (typeof(FormView), BindingDirection.TwoWay)]\r
- [PersistenceMode (PersistenceMode.InnerProperty)]\r
- [Browsable (false)]\r
- public virtual ITemplate InsertItemTemplate {\r
- get { return insertItemTemplate; }\r
- set { insertItemTemplate = value; RequireBinding (); }\r
- }\r
-\r
- [WebCategoryAttribute ("Styles")]\r
- [PersistenceMode (PersistenceMode.InnerProperty)]\r
- [NotifyParentProperty (true)]\r
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]\r
- [DefaultValueAttribute (null)]\r
- public TableItemStyle InsertRowStyle {\r
- get {\r
- if (insertRowStyle == null) {\r
- insertRowStyle = new TableItemStyle ();\r
- if (IsTrackingViewState)\r
- insertRowStyle.TrackViewState();\r
- }\r
- return insertRowStyle;\r
- }\r
- }\r
-\r
- [DefaultValue (null)]\r
- [TemplateContainer (typeof(FormView), BindingDirection.TwoWay)]\r
- [PersistenceMode (PersistenceMode.InnerProperty)]\r
- [Browsable (false)]\r
- public virtual ITemplate ItemTemplate {\r
- get { return itemTemplate; }\r
- set { itemTemplate = value; RequireBinding (); }\r
- }\r
- \r
- [BrowsableAttribute (false)]\r
- [DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]\r
- public virtual int PageCount {\r
- get {\r
- return pageCount;\r
- }\r
- }\r
-\r
- [WebCategoryAttribute ("Paging")]\r
- [BindableAttribute (true, BindingDirection.OneWay)]\r
- [DefaultValueAttribute (0)]\r
- public virtual int PageIndex {\r
- get {\r
- return pageIndex;\r
- }\r
- set {\r
- if (value < 0)\r
- throw new ArgumentOutOfRangeException ("PageIndex must be non-negative");\r
- if (pageIndex == value)\r
- return;\r
- pageIndex = value;\r
- RequireBinding ();\r
- }\r
- }\r
- \r
- [WebCategoryAttribute ("Paging")]\r
- [DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Content)]\r
- [NotifyParentPropertyAttribute (true)]\r
- [PersistenceModeAttribute (PersistenceMode.InnerProperty)]\r
- public virtual PagerSettings PagerSettings {\r
- get {\r
- if (pagerSettings == null) {\r
- pagerSettings = new PagerSettings (this);\r
- if (IsTrackingViewState)\r
- ((IStateManager)pagerSettings).TrackViewState ();\r
- }\r
- return pagerSettings;\r
- }\r
- }\r
- \r
- [WebCategoryAttribute ("Styles")]\r
- [PersistenceMode (PersistenceMode.InnerProperty)]\r
- [NotifyParentProperty (true)]\r
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]\r
- public TableItemStyle PagerStyle {\r
- get {\r
- if (pagerStyle == null) {\r
- pagerStyle = new TableItemStyle ();\r
- if (IsTrackingViewState)\r
- pagerStyle.TrackViewState();\r
- }\r
- return pagerStyle;\r
- }\r
- }\r
- \r
- \r
- [DefaultValue (null)]\r
- /* DataControlPagerCell isnt specified in the docs */\r
- //[TemplateContainer (typeof(DataControlPagerCell), BindingDirection.OneWay)]\r
- [PersistenceMode (PersistenceMode.InnerProperty)]\r
- [Browsable (false)]\r
- public virtual ITemplate PagerTemplate {\r
- get { return pagerTemplate; }\r
- set { pagerTemplate = value; RequireBinding (); }\r
- }\r
- \r
- [DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]\r
- [BrowsableAttribute (false)]\r
- public virtual FormViewRow Row {\r
- get {\r
- EnsureChildControls ();\r
- return itemRow;\r
- }\r
- }\r
- \r
- [WebCategoryAttribute ("Styles")]\r
- [PersistenceMode (PersistenceMode.InnerProperty)]\r
- [NotifyParentProperty (true)]\r
- [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]\r
- [DefaultValue (null)]\r
- public TableItemStyle RowStyle {\r
- get {\r
- if (rowStyle == null) {\r
- rowStyle = new TableItemStyle ();\r
- if (IsTrackingViewState)\r
- rowStyle.TrackViewState();\r
- }\r
- return rowStyle;\r
- }\r
- }\r
-\r
- [DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]\r
- [BrowsableAttribute (false)]\r
- public object SelectedValue {\r
- get { return DataKey.Value; }\r
- }\r
- \r
- [DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]\r
- [BrowsableAttribute (false)]\r
- public virtual FormViewRow TopPagerRow {\r
- get {\r
- EnsureChildControls ();\r
- return topPagerRow;\r
- }\r
- }\r
- \r
- [DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]\r
- [BrowsableAttribute (false)]\r
- public virtual object DataItem {\r
- get {\r
- EnsureDataBound ();\r
- return dataItem;\r
- }\r
- }\r
- \r
- [DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]\r
- [BrowsableAttribute (false)]\r
- public int DataItemCount {\r
- get { return PageCount; }\r
- } \r
- \r
- [DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]\r
- [BrowsableAttribute (false)]\r
- public virtual int DataItemIndex {\r
- get { return PageIndex; }\r
- }\r
-\r
- int IDataItemContainer.DataItemIndex {\r
- get { return DataItemIndex; }\r
- }\r
- \r
- int IDataItemContainer.DisplayIndex {\r
- get { return PageIndex; }\r
- } \r
- \r
- public virtual bool IsBindableType (Type type)\r
- {\r
- return type.IsPrimitive || type == typeof (string) || type == typeof (DateTime) || type == typeof (Guid) || type == typeof (Decimal);\r
- }\r
- \r
- protected override DataSourceSelectArguments CreateDataSourceSelectArguments ()\r
- {\r
- DataSourceSelectArguments arg = new DataSourceSelectArguments ();\r
- DataSourceView view = GetData ();\r
- if (AllowPaging && view.CanPage) {\r
- arg.StartRowIndex = PageIndex;\r
- if (view.CanRetrieveTotalRowCount) {\r
- arg.RetrieveTotalRowCount = true;\r
- arg.MaximumRows = 1;\r
- }\r
- else {\r
- arg.MaximumRows = -1;\r
- }\r
- }\r
- return arg;\r
- }\r
- \r
- protected virtual FormViewRow CreateRow (int rowIndex, DataControlRowType rowType, DataControlRowState rowState)\r
- {\r
- FormViewRow row = new FormViewRow (rowIndex, rowType, rowState);\r
- OnItemCreated (EventArgs.Empty);\r
- return row;\r
- }\r
- \r
- void RequireBinding ()\r
- {\r
- if (Initialized) {\r
- RequiresDataBinding = true;\r
- }\r
- }\r
- \r
- protected virtual Table CreateTable ()\r
- {\r
- return new ContainedTable (this);\r
- }\r
-\r
- [MonoTODO]\r
- protected override void EnsureDataBound ()\r
- {\r
- base.EnsureDataBound ();\r
- }\r
- \r
- protected override Style CreateControlStyle ()\r
- {\r
- TableStyle style = new TableStyle (ViewState);\r
- style.CellSpacing = 0;\r
- return style;\r
- }\r
- \r
- protected override int CreateChildControls (IEnumerable data, bool dataBinding)\r
- {\r
- PagedDataSource dataSource = new PagedDataSource ();\r
- dataSource.DataSource = data;\r
- dataSource.AllowPaging = AllowPaging;\r
- dataSource.PageSize = 1;\r
- dataSource.CurrentPageIndex = PageIndex;\r
-\r
- if (dataBinding && CurrentMode != FormViewMode.Insert) {\r
- DataSourceView view = GetData ();\r
- if (view != null && view.CanPage) {\r
- dataSource.AllowServerPaging = true;\r
- if (SelectArguments.RetrieveTotalRowCount)\r
- dataSource.VirtualCount = SelectArguments.TotalRowCount;\r
- }\r
- }\r
-\r
- pageCount = dataSource.DataSourceCount;\r
- bool showPager = AllowPaging && (pageCount > 1);\r
- \r
- Controls.Clear ();\r
- table = CreateTable ();\r
- Controls.Add (table);\r
-\r
- // Gets the current data item\r
- \r
- IEnumerator e = dataSource.GetEnumerator (); \r
- dataItem = null;\r
-\r
- if (AllowPaging) {\r
- if (e.MoveNext ())\r
- dataItem = e.Current;\r
- }\r
- else\r
- for (int page = 0; e.MoveNext (); page++ )\r
- if (page == PageIndex)\r
- dataItem = e.Current;\r
- \r
- // Main table creation\r
- \r
- if (HeaderText.Length != 0 || headerTemplate != null) {\r
- headerRow = CreateRow (-1, DataControlRowType.Header, DataControlRowState.Normal);\r
- InitializeRow (headerRow);\r
- table.Rows.Add (headerRow);\r
- }\r
- \r
- if (showPager && PagerSettings.Position == PagerPosition.Top || PagerSettings.Position == PagerPosition.TopAndBottom) {\r
- topPagerRow = CreateRow (-1, DataControlRowType.Pager, DataControlRowState.Normal);\r
- InitializePager (topPagerRow, dataSource);\r
- table.Rows.Add (topPagerRow);\r
- }\r
-\r
- if (pageCount > 0) {\r
- DataControlRowState rstate = GetRowState ();\r
- itemRow = CreateRow (0, DataControlRowType.DataRow, rstate);\r
- InitializeRow (itemRow);\r
- table.Rows.Add (itemRow);\r
- } else {\r
- switch (CurrentMode) {\r
- case FormViewMode.Edit:\r
- itemRow = CreateRow (-1, DataControlRowType.EmptyDataRow, DataControlRowState.Edit);\r
- break;\r
- case FormViewMode.Insert:\r
- itemRow = CreateRow (-1, DataControlRowType.DataRow, DataControlRowState.Insert);\r
- break;\r
- default:\r
- itemRow = CreateRow (-1, DataControlRowType.EmptyDataRow, DataControlRowState.Normal);\r
- break;\r
- }\r
- table.Rows.Add (itemRow);\r
- InitializeRow (itemRow);\r
- }\r
-\r
- if (FooterText.Length != 0 || footerTemplate != null) {\r
- footerRow = CreateRow (-1, DataControlRowType.Footer, DataControlRowState.Normal);\r
- InitializeRow (footerRow);\r
- table.Rows.Add (footerRow);\r
- }\r
- \r
- if (showPager && PagerSettings.Position == PagerPosition.Bottom || PagerSettings.Position == PagerPosition.TopAndBottom) {\r
- bottomPagerRow = CreateRow (0, DataControlRowType.Pager, DataControlRowState.Normal);\r
- InitializePager (bottomPagerRow, dataSource);\r
- table.Rows.Add (bottomPagerRow);\r
- }\r
-\r
- if (dataBinding)\r
- DataBind (false);\r
- \r
- return dataSource.DataSourceCount;\r
- }\r
- \r
- DataControlRowState GetRowState ()\r
- {\r
- DataControlRowState rstate = DataControlRowState.Normal;\r
- if (CurrentMode == FormViewMode.Edit) rstate |= DataControlRowState.Edit;\r
- else if (CurrentMode == FormViewMode.Insert) rstate |= DataControlRowState.Insert;\r
- return rstate;\r
- }\r
- \r
- protected virtual void InitializePager (FormViewRow row, PagedDataSource dataSource)\r
- {\r
- TableCell cell = new TableCell ();\r
- cell.ColumnSpan = 2;\r
-\r
- if (pagerTemplate != null)\r
- pagerTemplate.InstantiateIn (cell);\r
- else\r
- cell.Controls.Add (PagerSettings.CreatePagerControl (dataSource.CurrentPageIndex, dataSource.PageCount));\r
- \r
- row.Cells.Add (cell);\r
- }\r
- \r
- protected virtual void InitializeRow (FormViewRow row)\r
- {\r
- TableCell cell = new TableCell ();\r
- \r
- if (row.RowType == DataControlRowType.DataRow)\r
- {\r
- if ((row.RowState & DataControlRowState.Edit) != 0) {\r
- if (editItemTemplate != null)\r
- editItemTemplate.InstantiateIn (cell);\r
- } else if ((row.RowState & DataControlRowState.Insert) != 0) {\r
- if (insertItemTemplate != null)\r
- insertItemTemplate.InstantiateIn (cell);\r
- } else if (itemTemplate != null)\r
- itemTemplate.InstantiateIn (cell);\r
- }\r
- else if (row.RowType == DataControlRowType.EmptyDataRow)\r
- {\r
- if (emptyDataTemplate != null)\r
- emptyDataTemplate.InstantiateIn (cell);\r
- else\r
- cell.Text = EmptyDataText;\r
- }\r
- else if (row.RowType == DataControlRowType.Footer)\r
- {\r
- if (footerTemplate != null)\r
- footerTemplate.InstantiateIn (cell);\r
- else\r
- cell.Text = FooterText;\r
- }\r
- else if (row.RowType == DataControlRowType.Header)\r
- {\r
- if (headerTemplate != null)\r
- headerTemplate.InstantiateIn (cell);\r
- else\r
- cell.Text = HeaderText;\r
- }\r
- cell.ColumnSpan = 2;\r
- row.Cells.Add (cell);\r
- }\r
- \r
- void FillRowDataKey (object dataItem)\r
- {\r
- KeyTable.Clear ();\r
-\r
- if (cachedKeyProperties == null) {\r
- PropertyDescriptorCollection props = TypeDescriptor.GetProperties (dataItem);\r
- cachedKeyProperties = new PropertyDescriptor [DataKeyNames.Length];\r
- for (int n=0; n<DataKeyNames.Length; n++) { \r
- PropertyDescriptor p = props [DataKeyNames[n]];\r
- if (p == null)\r
- new InvalidOperationException ("Property '" + DataKeyNames[n] + "' not found in object of type " + dataItem.GetType());\r
- cachedKeyProperties [n] = p;\r
- }\r
- }\r
- foreach (PropertyDescriptor p in cachedKeyProperties)\r
- KeyTable [p.Name] = p.GetValue (dataItem);\r
- }\r
- \r
- IOrderedDictionary GetRowValues (bool includePrimaryKey)\r
- {\r
- OrderedDictionary dic = new OrderedDictionary ();\r
- ExtractRowValues (dic, includePrimaryKey);\r
- return dic;\r
- }\r
- \r
- protected virtual void ExtractRowValues (IOrderedDictionary fieldValues, bool includeKeys)\r
- {\r
- if (Row == null)\r
- return;\r
-\r
- DataControlRowState rowState = Row.RowState;\r
- IBindableTemplate bt;\r
- \r
- if ((rowState & DataControlRowState.Insert) != 0)\r
- bt = insertItemTemplate as IBindableTemplate; \r
- else if ((rowState & DataControlRowState.Edit) != 0)\r
- bt = editItemTemplate as IBindableTemplate;\r
- else\r
- return;\r
- \r
- if (bt != null) {\r
- IOrderedDictionary values = bt.ExtractValues (Row.Cells [0]);\r
- foreach (DictionaryEntry e in values) {\r
- if (includeKeys || Array.IndexOf (DataKeyNames, e.Key) == -1)\r
- fieldValues [e.Key] = e.Value;\r
- }\r
- }\r
- }\r
- \r
- protected override HtmlTextWriterTag TagKey {\r
- get {\r
- return HtmlTextWriterTag.Table;\r
- }\r
- }\r
- \r
- public sealed override void DataBind ()\r
- {\r
- if (CurrentMode == FormViewMode.Insert) {\r
- RequiresDataBinding = false;\r
- PerformDataBinding (new object [] { null });\r
- return;\r
- }\r
-\r
- cachedKeyProperties = null;\r
- base.DataBind ();\r
- \r
- if (pageCount > 0) {\r
- if (CurrentMode == FormViewMode.Edit)\r
- oldEditValues = new DataKey (GetRowValues (true));\r
- FillRowDataKey (dataItem);\r
- key = new DataKey (KeyTable);\r
- }\r
- }\r
- \r
- protected internal override void PerformDataBinding (IEnumerable data)\r
- {\r
- base.PerformDataBinding (data);\r
- }\r
-\r
- protected internal virtual void PrepareControlHierarchy ()\r
- {\r
- if (table == null)\r
- return;\r
-\r
- table.Caption = Caption;\r
- table.CaptionAlign = CaptionAlign;\r
-\r
- foreach (FormViewRow row in table.Rows) {\r
- switch (row.RowType) {\r
- case DataControlRowType.Header:\r
- if (headerStyle != null && !headerStyle.IsEmpty)\r
- row.ControlStyle.CopyFrom (headerStyle);\r
- break;\r
- case DataControlRowType.Footer:\r
- if (footerStyle != null && !footerStyle.IsEmpty)\r
- row.ControlStyle.CopyFrom (footerStyle);\r
- break;\r
- case DataControlRowType.Pager:\r
- if (pagerStyle != null && !pagerStyle.IsEmpty)\r
- row.ControlStyle.CopyFrom (pagerStyle);\r
- break;\r
- case DataControlRowType.EmptyDataRow:\r
- if (emptyDataRowStyle != null && !emptyDataRowStyle.IsEmpty)\r
- row.ControlStyle.CopyFrom (emptyDataRowStyle);\r
- break;\r
- case DataControlRowType.DataRow:\r
- if (rowStyle != null && !rowStyle.IsEmpty)\r
- row.ControlStyle.CopyFrom (rowStyle);\r
- if ((row.RowState & (DataControlRowState.Edit | DataControlRowState.Insert)) != 0 && editRowStyle != null && !editRowStyle.IsEmpty)\r
- row.ControlStyle.CopyFrom (editRowStyle);\r
- if ((row.RowState & DataControlRowState.Insert) != 0 && insertRowStyle != null && !insertRowStyle.IsEmpty)\r
- row.ControlStyle.CopyFrom (insertRowStyle);\r
- break;\r
- default:\r
- break;\r
- }\r
- }\r
- }\r
- \r
- protected internal override void OnInit (EventArgs e)\r
- {\r
- Page.RegisterRequiresControlState (this);\r
- base.OnInit (e);\r
- }\r
- \r
- protected override bool OnBubbleEvent (object source, EventArgs e)\r
- {\r
- FormViewCommandEventArgs args = e as FormViewCommandEventArgs;\r
- if (args != null) {\r
- OnItemCommand (args);\r
- ProcessEvent (args.CommandName, args.CommandArgument as string);\r
- return true;\r
- }\r
- return base.OnBubbleEvent (source, e);\r
- }\r
- \r
- void IPostBackEventHandler.RaisePostBackEvent(string eventArgument)\r
- {\r
- RaisePostBackEvent (eventArgument);\r
- }\r
-\r
- protected virtual void RaisePostBackEvent (string eventArgument)\r
- {\r
- int i = eventArgument.IndexOf ('$');\r
- if (i != -1)\r
- ProcessEvent (eventArgument.Substring (0, i), eventArgument.Substring (i + 1));\r
- else\r
- ProcessEvent (eventArgument, null);\r
- }\r
- \r
- void ProcessEvent (string eventName, string param)\r
- {\r
- switch (eventName)\r
- {\r
- case DataControlCommands.PageCommandName:\r
- int newIndex = -1;\r
- switch (param) {\r
- case DataControlCommands.FirstPageCommandArgument:\r
- newIndex = 0;\r
- break;\r
- case DataControlCommands.LastPageCommandArgument:\r
- newIndex = PageCount - 1;\r
- break;\r
- case DataControlCommands.NextPageCommandArgument:\r
- newIndex = PageIndex + 1;\r
- break;\r
- case DataControlCommands.PreviousPageCommandArgument:\r
- newIndex = PageIndex - 1;\r
- break;\r
- default:\r
- int paramIndex = 0;\r
- int.TryParse (param, out paramIndex);\r
- newIndex = paramIndex - 1;\r
- break;\r
- }\r
- ShowPage (newIndex);\r
- break;\r
- \r
- case DataControlCommands.FirstPageCommandArgument:\r
- ShowPage (0);\r
- break;\r
-\r
- case DataControlCommands.LastPageCommandArgument:\r
- ShowPage (PageCount - 1);\r
- break;\r
- \r
- case DataControlCommands.NextPageCommandArgument:\r
- if (PageIndex < PageCount - 1)\r
- ShowPage (PageIndex + 1);\r
- break;\r
-\r
- case DataControlCommands.PreviousPageCommandArgument:\r
- if (PageIndex > 0)\r
- ShowPage (PageIndex - 1);\r
- break;\r
- \r
- case DataControlCommands.EditCommandName:\r
- ChangeMode (FormViewMode.Edit);\r
- break;\r
- \r
- case DataControlCommands.NewCommandName:\r
- ChangeMode (FormViewMode.Insert);\r
- break;\r
- \r
- case DataControlCommands.UpdateCommandName:\r
- UpdateItem (param, true);\r
- break;\r
- \r
- case DataControlCommands.CancelCommandName:\r
- CancelEdit ();\r
- break;\r
- \r
- case DataControlCommands.DeleteCommandName:\r
- DeleteItem ();\r
- break;\r
- \r
- case DataControlCommands.InsertCommandName:\r
- InsertItem (true);\r
- break;\r
- }\r
- }\r
- \r
- void ShowPage (int index)\r
- {\r
- FormViewPageEventArgs args = new FormViewPageEventArgs (index);\r
- OnPageIndexChanging (args);\r
- if (!args.Cancel) {\r
- int newIndex = args.NewPageIndex;\r
- if (newIndex < 0 || newIndex >= PageCount)\r
- return;\r
- EndRowEdit (false);\r
- PageIndex = newIndex;\r
- OnPageIndexChanged (EventArgs.Empty);\r
- }\r
- }\r
- \r
- public void ChangeMode (FormViewMode newMode)\r
- {\r
- FormViewModeEventArgs args = new FormViewModeEventArgs (newMode, false);\r
- OnModeChanging (args);\r
- if (!args.Cancel) {\r
- CurrentMode = args.NewMode;\r
- OnModeChanged (EventArgs.Empty);\r
- RequireBinding ();\r
- }\r
- }\r
- \r
- void CancelEdit ()\r
- {\r
- FormViewModeEventArgs args = new FormViewModeEventArgs (FormViewMode.ReadOnly, true);\r
- OnModeChanging (args);\r
- if (!args.Cancel) {\r
- EndRowEdit ();\r
- }\r
- }\r
-\r
- public virtual void UpdateItem (bool causesValidation)\r
- {\r
- UpdateItem (null, causesValidation);\r
- }\r
- \r
- void UpdateItem (string param, bool causesValidation)\r
- {\r
- if (causesValidation && Page != null)\r
- Page.Validate ();\r
- \r
- if (currentMode != FormViewMode.Edit) throw new HttpException ("Must be in Edit mode");\r
-\r
- currentEditOldValues = OldEditValues.Values;\r
- currentEditRowKeys = DataKey.Values;\r
- currentEditNewValues = GetRowValues (false);\r
- \r
- FormViewUpdateEventArgs args = new FormViewUpdateEventArgs (param, currentEditRowKeys, currentEditOldValues, currentEditNewValues);\r
- OnItemUpdating (args);\r
- if (!args.Cancel) {\r
- DataSourceView view = GetData ();\r
- if (view == null)\r
- throw new HttpException ("The DataSourceView associated to data bound control was null");\r
- if (view.CanUpdate)\r
- view.Update (currentEditRowKeys, currentEditNewValues, currentEditOldValues, new DataSourceViewOperationCallback (UpdateCallback));\r
- }\r
- else\r
- EndRowEdit ();\r
- }\r
-\r
- bool UpdateCallback (int recordsAffected, Exception exception)\r
- {\r
- FormViewUpdatedEventArgs dargs = new FormViewUpdatedEventArgs (recordsAffected, exception, currentEditRowKeys, currentEditOldValues, currentEditNewValues);\r
- OnItemUpdated (dargs);\r
-\r
- if (!dargs.KeepInEditMode) \r
- EndRowEdit ();\r
-\r
- return dargs.ExceptionHandled;\r
- }\r
-\r
- public virtual void InsertItem (bool causesValidation)\r
- {\r
- InsertItem (null, causesValidation);\r
- }\r
- \r
- void InsertItem (string param, bool causesValidation)\r
- {\r
- if (causesValidation && Page != null)\r
- Page.Validate ();\r
- \r
- if (currentMode != FormViewMode.Insert) throw new HttpException ("Must be in Insert mode");\r
- \r
- currentEditNewValues = GetRowValues (true);\r
- FormViewInsertEventArgs args = new FormViewInsertEventArgs (param, currentEditNewValues);\r
- OnItemInserting (args);\r
- if (!args.Cancel) {\r
- DataSourceView view = GetData ();\r
- if (view == null)\r
- throw new HttpException ("The DataSourceView associated to data bound control was null");\r
- if (view.CanInsert)\r
- view.Insert (currentEditNewValues, new DataSourceViewOperationCallback (InsertCallback));\r
- }\r
- else\r
- EndRowEdit ();\r
- }\r
- \r
- bool InsertCallback (int recordsAffected, Exception exception)\r
- {\r
- FormViewInsertedEventArgs dargs = new FormViewInsertedEventArgs (recordsAffected, exception, currentEditNewValues);\r
- OnItemInserted (dargs);\r
-\r
- if (!dargs.KeepInInsertMode) \r
- EndRowEdit ();\r
-\r
- return dargs.ExceptionHandled;\r
- }\r
-\r
- public virtual void DeleteItem ()\r
- {\r
- currentEditRowKeys = DataKey.Values;\r
- currentEditNewValues = GetRowValues (true);\r
- \r
- FormViewDeleteEventArgs args = new FormViewDeleteEventArgs (PageIndex, currentEditRowKeys, currentEditNewValues);\r
- OnItemDeleting (args);\r
-\r
- if (!args.Cancel) {\r
- if (PageIndex > 0 && PageIndex == PageCount - 1)\r
- PageIndex--;\r
- \r
- RequireBinding ();\r
- \r
- DataSourceView view = GetData ();\r
- if (view != null && view.CanDelete)\r
- view.Delete (currentEditRowKeys, currentEditNewValues, new DataSourceViewOperationCallback (DeleteCallback));\r
- else {\r
- FormViewDeletedEventArgs dargs = new FormViewDeletedEventArgs (0, null, currentEditRowKeys, currentEditNewValues);\r
- OnItemDeleted (dargs);\r
- }\r
- }\r
- }\r
-\r
- bool DeleteCallback (int recordsAffected, Exception exception)\r
- {\r
- FormViewDeletedEventArgs dargs = new FormViewDeletedEventArgs (recordsAffected, exception, currentEditRowKeys, currentEditNewValues);\r
- OnItemDeleted (dargs);\r
- return dargs.ExceptionHandled;\r
- }\r
- \r
- void EndRowEdit ()\r
- {\r
- EndRowEdit (true);\r
- }\r
-\r
- void EndRowEdit (bool switchToDefaultMode) \r
- {\r
- if (switchToDefaultMode)\r
- ChangeMode (DefaultMode);\r
- oldEditValues = new DataKey (new OrderedDictionary ());\r
- currentEditRowKeys = null;\r
- currentEditOldValues = null;\r
- currentEditNewValues = null;\r
- RequireBinding ();\r
- }\r
-\r
- protected internal override void LoadControlState (object ob)\r
- {\r
- if (ob == null) return;\r
- object[] state = (object[]) ob;\r
- base.LoadControlState (state[0]);\r
- pageIndex = (int) state[1];\r
- pageCount = (int) state[2];\r
- CurrentMode = (FormViewMode) state[3];\r
- defaultMode = (FormViewMode) state[4];\r
- dataKeyNames = (string[]) state[5];\r
- if (state [6] != null)\r
- ((IStateManager) DataKey).LoadViewState (state [6]);\r
- if (state [7] != null)\r
- ((IStateManager) OldEditValues).LoadViewState (state [7]);\r
- }\r
- \r
- protected internal override object SaveControlState ()\r
- {\r
- object bstate = base.SaveControlState ();\r
- return new object [] {\r
- bstate, \r
- pageIndex, \r
- pageCount, \r
- CurrentMode, \r
- defaultMode, \r
- dataKeyNames,\r
- (key == null ? null : ((IStateManager)key).SaveViewState()),\r
- (oldEditValues == null ? null : ((IStateManager) oldEditValues).SaveViewState ())\r
- };\r
- }\r
- \r
- protected override void TrackViewState()\r
- {\r
- base.TrackViewState();\r
- if (pagerSettings != null) ((IStateManager)pagerSettings).TrackViewState();\r
- if (footerStyle != null) ((IStateManager)footerStyle).TrackViewState();\r
- if (headerStyle != null) ((IStateManager)headerStyle).TrackViewState();\r
- if (pagerStyle != null) ((IStateManager)pagerStyle).TrackViewState();\r
- if (rowStyle != null) ((IStateManager)rowStyle).TrackViewState();\r
- if (editRowStyle != null) ((IStateManager)editRowStyle).TrackViewState();\r
- if (insertRowStyle != null) ((IStateManager)insertRowStyle).TrackViewState();\r
- if (emptyDataRowStyle != null) ((IStateManager)emptyDataRowStyle).TrackViewState();\r
- }\r
-\r
- protected override object SaveViewState()\r
- {\r
- object[] states = new object [10];\r
- states[0] = base.SaveViewState();\r
- states[1] = (pagerSettings == null ? null : ((IStateManager)pagerSettings).SaveViewState());\r
- states[2] = (footerStyle == null ? null : ((IStateManager)footerStyle).SaveViewState());\r
- states[3] = (headerStyle == null ? null : ((IStateManager)headerStyle).SaveViewState());\r
- states[4] = (pagerStyle == null ? null : ((IStateManager)pagerStyle).SaveViewState());\r
- states[5] = (rowStyle == null ? null : ((IStateManager)rowStyle).SaveViewState());\r
- states[6] = (insertRowStyle == null ? null : ((IStateManager)insertRowStyle).SaveViewState());\r
- states[7] = (editRowStyle == null ? null : ((IStateManager)editRowStyle).SaveViewState());\r
- states[8] = (emptyDataRowStyle == null ? null : ((IStateManager)emptyDataRowStyle).SaveViewState());\r
- \r
- for (int i = states.Length - 1; i >= 0; i--) {\r
- if (states [i] != null)\r
- return states;\r
- }\r
-\r
- return null;\r
- }\r
-\r
- protected override void LoadViewState (object savedState)\r
- {\r
- if (savedState == null) {\r
- base.LoadViewState (null);\r
- return;\r
- }\r
-\r
- object [] states = (object []) savedState;\r
- \r
- base.LoadViewState (states[0]);\r
- \r
- if (states[1] != null) ((IStateManager)PagerSettings).LoadViewState (states[1]);\r
- if (states[2] != null) ((IStateManager)FooterStyle).LoadViewState (states[2]);\r
- if (states[3] != null) ((IStateManager)HeaderStyle).LoadViewState (states[3]);\r
- if (states[4] != null) ((IStateManager)PagerStyle).LoadViewState (states[4]);\r
- if (states[5] != null) ((IStateManager)RowStyle).LoadViewState (states[5]);\r
- if (states[6] != null) ((IStateManager)InsertRowStyle).LoadViewState (states[6]);\r
- if (states[7] != null) ((IStateManager)EditRowStyle).LoadViewState (states[7]);\r
- if (states[8] != null) ((IStateManager)EmptyDataRowStyle).LoadViewState (states[8]);\r
- }\r
- \r
- protected internal override void Render (HtmlTextWriter writer)\r
- {\r
- PrepareControlHierarchy ();\r
- \r
- if (table == null)\r
- return;\r
-\r
- table.Render (writer);\r
- }\r
-\r
- PostBackOptions IPostBackContainer.GetPostBackOptions (IButtonControl control)\r
- {\r
- if (control == null)\r
- throw new ArgumentNullException ("control");\r
-\r
- if (control.CausesValidation)\r
- throw new InvalidOperationException ("A button that causes validation in FormView '" + ID + "' is attempting to use the container GridView as the post back target. The button should either turn off validation or use itself as the post back container.");\r
-\r
- PostBackOptions options = new PostBackOptions (this);\r
- options.Argument = control.CommandName + "$" + control.CommandArgument;\r
- options.RequiresJavaScriptProtocol = true;\r
-\r
- return options;\r
- }\r
-\r
- }\r
-}\r
-\r
-#endif\r
+//
+// System.Web.UI.WebControls.FormView.cs
+//
+// Authors:
+// Lluis Sanchez Gual (lluis@novell.com)
+//
+// (C) 2005 Novell, Inc (http://www.novell.com)
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
+#if NET_2_0
+
+using System;
+using System.Collections;
+using System.Collections.Specialized;
+using System.ComponentModel;
+using System.Web.UI;
+using System.Security.Permissions;
+using System.Text;
+using System.IO;
+using System.Reflection;
+
+namespace System.Web.UI.WebControls
+{
+ [SupportsEventValidation]
+ [DesignerAttribute ("System.Web.UI.Design.WebControls.FormViewDesigner, " + Consts.AssemblySystem_Design, "System.ComponentModel.Design.IDesigner")]
+ [ControlValuePropertyAttribute ("SelectedValue")]
+ [DefaultEventAttribute ("PageIndexChanging")]
+ [AspNetHostingPermissionAttribute (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
+ [AspNetHostingPermissionAttribute (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
+ public class FormView: CompositeDataBoundControl, IDataItemContainer, INamingContainer, IPostBackEventHandler, IPostBackContainer
+ {
+ object dataItem;
+
+ Table table;
+ FormViewRow headerRow;
+ FormViewRow footerRow;
+ FormViewRow bottomPagerRow;
+ FormViewRow topPagerRow;
+ FormViewRow itemRow;
+
+ IOrderedDictionary currentEditRowKeys;
+ IOrderedDictionary currentEditNewValues;
+ IOrderedDictionary currentEditOldValues;
+
+ ITemplate pagerTemplate;
+ ITemplate emptyDataTemplate;
+ ITemplate headerTemplate;
+ ITemplate footerTemplate;
+ ITemplate editItemTemplate;
+ ITemplate insertItemTemplate;
+ ITemplate itemTemplate;
+
+ PropertyDescriptor[] cachedKeyProperties;
+ readonly string[] emptyKeys = new string[0];
+
+ // View state
+ PagerSettings pagerSettings;
+
+ TableItemStyle editRowStyle;
+ TableItemStyle insertRowStyle;
+ TableItemStyle emptyDataRowStyle;
+ TableItemStyle footerStyle;
+ TableItemStyle headerStyle;
+ TableItemStyle pagerStyle;
+ TableItemStyle rowStyle;
+
+ IOrderedDictionary _keyTable;
+ DataKey key;
+ DataKey oldEditValues;
+
+ private static readonly object PageIndexChangedEvent = new object();
+ private static readonly object PageIndexChangingEvent = new object();
+ private static readonly object ItemCommandEvent = new object();
+ private static readonly object ItemCreatedEvent = new object();
+ private static readonly object ItemDeletedEvent = new object();
+ private static readonly object ItemDeletingEvent = new object();
+ private static readonly object ItemInsertedEvent = new object();
+ private static readonly object ItemInsertingEvent = new object();
+ private static readonly object ModeChangingEvent = new object();
+ private static readonly object ModeChangedEvent = new object();
+ private static readonly object ItemUpdatedEvent = new object();
+ private static readonly object ItemUpdatingEvent = new object();
+
+ // Control state
+ int pageIndex;
+ FormViewMode currentMode = FormViewMode.ReadOnly;
+ bool hasCurrentMode;
+ int pageCount;
+
+ public event EventHandler PageIndexChanged {
+ add { Events.AddHandler (PageIndexChangedEvent, value); }
+ remove { Events.RemoveHandler (PageIndexChangedEvent, value); }
+ }
+
+ public event FormViewPageEventHandler PageIndexChanging {
+ add { Events.AddHandler (PageIndexChangingEvent, value); }
+ remove { Events.RemoveHandler (PageIndexChangingEvent, value); }
+ }
+
+ public event FormViewCommandEventHandler ItemCommand {
+ add { Events.AddHandler (ItemCommandEvent, value); }
+ remove { Events.RemoveHandler (ItemCommandEvent, value); }
+ }
+
+ public event EventHandler ItemCreated {
+ add { Events.AddHandler (ItemCreatedEvent, value); }
+ remove { Events.RemoveHandler (ItemCreatedEvent, value); }
+ }
+
+ public event FormViewDeletedEventHandler ItemDeleted {
+ add { Events.AddHandler (ItemDeletedEvent, value); }
+ remove { Events.RemoveHandler (ItemDeletedEvent, value); }
+ }
+
+ public event FormViewDeleteEventHandler ItemDeleting {
+ add { Events.AddHandler (ItemDeletingEvent, value); }
+ remove { Events.RemoveHandler (ItemDeletingEvent, value); }
+ }
+
+ public event FormViewInsertedEventHandler ItemInserted {
+ add { Events.AddHandler (ItemInsertedEvent, value); }
+ remove { Events.RemoveHandler (ItemInsertedEvent, value); }
+ }
+
+ public event FormViewInsertEventHandler ItemInserting {
+ add { Events.AddHandler (ItemInsertingEvent, value); }
+ remove { Events.RemoveHandler (ItemInsertingEvent, value); }
+ }
+
+ public event FormViewModeEventHandler ModeChanging {
+ add { Events.AddHandler (ModeChangingEvent, value); }
+ remove { Events.RemoveHandler (ModeChangingEvent, value); }
+ }
+
+ public event EventHandler ModeChanged {
+ add { Events.AddHandler (ModeChangedEvent, value); }
+ remove { Events.RemoveHandler (ModeChangedEvent, value); }
+ }
+
+ public event FormViewUpdatedEventHandler ItemUpdated {
+ add { Events.AddHandler (ItemUpdatedEvent, value); }
+ remove { Events.RemoveHandler (ItemUpdatedEvent, value); }
+ }
+
+ public event FormViewUpdateEventHandler ItemUpdating {
+ add { Events.AddHandler (ItemUpdatingEvent, value); }
+ remove { Events.RemoveHandler (ItemUpdatingEvent, value); }
+ }
+
+ protected virtual void OnPageIndexChanged (EventArgs e)
+ {
+ if (Events != null) {
+ EventHandler eh = (EventHandler) Events [PageIndexChangedEvent];
+ if (eh != null) eh (this, e);
+ }
+ }
+
+ protected virtual void OnPageIndexChanging (FormViewPageEventArgs e)
+ {
+ if (Events != null) {
+ FormViewPageEventHandler eh = (FormViewPageEventHandler) Events [PageIndexChangingEvent];
+ if (eh != null) eh (this, e);
+ }
+ }
+
+ protected virtual void OnItemCommand (FormViewCommandEventArgs e)
+ {
+ if (Events != null) {
+ FormViewCommandEventHandler eh = (FormViewCommandEventHandler) Events [ItemCommandEvent];
+ if (eh != null) eh (this, e);
+ }
+ }
+
+ protected virtual void OnItemCreated (EventArgs e)
+ {
+ if (Events != null) {
+ EventHandler eh = (EventHandler) Events [ItemCreatedEvent];
+ if (eh != null) eh (this, e);
+ }
+ }
+
+ protected virtual void OnItemDeleted (FormViewDeletedEventArgs e)
+ {
+ if (Events != null) {
+ FormViewDeletedEventHandler eh = (FormViewDeletedEventHandler) Events [ItemDeletedEvent];
+ if (eh != null) eh (this, e);
+ }
+ }
+
+ protected virtual void OnItemInserted (FormViewInsertedEventArgs e)
+ {
+ if (Events != null) {
+ FormViewInsertedEventHandler eh = (FormViewInsertedEventHandler) Events [ItemInsertedEvent];
+ if (eh != null) eh (this, e);
+ }
+ }
+
+ protected virtual void OnItemInserting (FormViewInsertEventArgs e)
+ {
+ if (Events != null) {
+ FormViewInsertEventHandler eh = (FormViewInsertEventHandler) Events [ItemInsertingEvent];
+ if (eh != null) eh (this, e);
+ }
+ }
+
+ protected virtual void OnItemDeleting (FormViewDeleteEventArgs e)
+ {
+ if (Events != null) {
+ FormViewDeleteEventHandler eh = (FormViewDeleteEventHandler) Events [ItemDeletingEvent];
+ if (eh != null) eh (this, e);
+ }
+ }
+
+ protected virtual void OnModeChanged (EventArgs e)
+ {
+ if (Events != null) {
+ EventHandler eh = (EventHandler) Events [ModeChangedEvent];
+ if (eh != null) eh (this, e);
+ }
+ }
+
+ protected virtual void OnModeChanging (FormViewModeEventArgs e)
+ {
+ if (Events != null) {
+ FormViewModeEventHandler eh = (FormViewModeEventHandler) Events [ModeChangingEvent];
+ if (eh != null) eh (this, e);
+ }
+ }
+
+ protected virtual void OnItemUpdated (FormViewUpdatedEventArgs e)
+ {
+ if (Events != null) {
+ FormViewUpdatedEventHandler eh = (FormViewUpdatedEventHandler) Events [ItemUpdatedEvent];
+ if (eh != null) eh (this, e);
+ }
+ }
+
+ protected virtual void OnItemUpdating (FormViewUpdateEventArgs e)
+ {
+ if (Events != null) {
+ FormViewUpdateEventHandler eh = (FormViewUpdateEventHandler) Events [ItemUpdatingEvent];
+ if (eh != null) eh (this, e);
+ }
+ }
+
+
+ [WebCategoryAttribute ("Paging")]
+ [DefaultValueAttribute (false)]
+ public virtual bool AllowPaging {
+ get {
+ object ob = ViewState ["AllowPaging"];
+ if (ob != null) return (bool) ob;
+ return false;
+ }
+ set {
+ ViewState ["AllowPaging"] = value;
+ RequireBinding ();
+ }
+ }
+
+ [UrlPropertyAttribute]
+ [WebCategoryAttribute ("Appearance")]
+ [DefaultValueAttribute ("")]
+ [EditorAttribute ("System.Web.UI.Design.ImageUrlEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]
+ public virtual string BackImageUrl {
+ get {
+ if (ControlStyleCreated)
+ return ((TableStyle) ControlStyle).BackImageUrl;
+ return String.Empty;
+ }
+ set {
+ ((TableStyle) ControlStyle).BackImageUrl = value;
+ }
+ }
+
+ [DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]
+ [BrowsableAttribute (false)]
+ public virtual FormViewRow BottomPagerRow {
+ get {
+ EnsureChildControls ();
+ return bottomPagerRow;
+ }
+ }
+
+ [WebCategoryAttribute ("Accessibility")]
+ [DefaultValueAttribute ("")]
+ [LocalizableAttribute (true)]
+ public virtual string Caption {
+ get {
+ object ob = ViewState ["Caption"];
+ if (ob != null) return (string) ob;
+ return string.Empty;
+ }
+ set {
+ ViewState ["Caption"] = value;
+ RequireBinding ();
+ }
+ }
+
+ [WebCategoryAttribute ("Accessibility")]
+ [DefaultValueAttribute (TableCaptionAlign.NotSet)]
+ public virtual TableCaptionAlign CaptionAlign
+ {
+ get {
+ object o = ViewState ["CaptionAlign"];
+ if(o != null) return (TableCaptionAlign) o;
+ return TableCaptionAlign.NotSet;
+ }
+ set {
+ ViewState ["CaptionAlign"] = value;
+ RequireBinding ();
+ }
+ }
+
+ [WebCategoryAttribute ("Layout")]
+ [DefaultValueAttribute (-1)]
+ public virtual int CellPadding
+ {
+ get {
+ if (ControlStyleCreated)
+ return ((TableStyle) ControlStyle).CellPadding;
+ return -1;
+ }
+ set {
+ ((TableStyle) ControlStyle).CellPadding = value;
+ }
+ }
+
+ [WebCategoryAttribute ("Layout")]
+ [DefaultValueAttribute (0)]
+ public virtual int CellSpacing
+ {
+ get {
+ if (ControlStyleCreated)
+ return ((TableStyle) ControlStyle).CellSpacing;
+ return 0;
+ }
+ set {
+ ((TableStyle) ControlStyle).CellSpacing = value;
+ }
+ }
+
+ [DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]
+ [BrowsableAttribute (false)]
+ public FormViewMode CurrentMode {
+ get {
+ return hasCurrentMode ? currentMode : DefaultMode;
+ }
+ private set {
+ hasCurrentMode = true;
+ currentMode = value;
+ }
+ }
+
+ FormViewMode defaultMode;
+
+ [DefaultValueAttribute (FormViewMode.ReadOnly)]
+ [WebCategoryAttribute ("Behavior")]
+ public virtual FormViewMode DefaultMode {
+ get {
+ return defaultMode;
+ }
+ set {
+ defaultMode = value;
+ RequireBinding ();
+ }
+ }
+
+ string[] dataKeyNames;
+ [DefaultValueAttribute (null)]
+ [WebCategoryAttribute ("Data")]
+ [TypeConverter (typeof(StringArrayConverter))]
+ [EditorAttribute ("System.Web.UI.Design.WebControls.DataFieldEditor, " + Consts.AssemblySystem_Design, "System.Drawing.Design.UITypeEditor, " + Consts.AssemblySystem_Drawing)]
+ public virtual string[] DataKeyNames
+ {
+ get {
+ if (dataKeyNames == null)
+ return emptyKeys;
+ return dataKeyNames;
+ }
+ set {
+ dataKeyNames = value;
+ RequireBinding ();
+ }
+ }
+
+ IOrderedDictionary KeyTable {
+ get {
+ if (_keyTable == null) {
+ _keyTable = new OrderedDictionary (DataKeyNames.Length);
+ }
+ return _keyTable;
+ }
+ }
+
+ [BrowsableAttribute (false)]
+ [DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]
+ public virtual DataKey DataKey {
+ get {
+ if (key == null) {
+ key= new DataKey (KeyTable);
+ }
+ return key;
+ }
+ }
+
+ DataKey OldEditValues {
+ get {
+ if (oldEditValues == null) {
+ oldEditValues = new DataKey (new OrderedDictionary ());
+ }
+ return oldEditValues;
+ }
+ }
+
+ [DefaultValue (null)]
+ [TemplateContainer (typeof(FormView), BindingDirection.TwoWay)]
+ [PersistenceMode (PersistenceMode.InnerProperty)]
+ [Browsable (false)]
+ public virtual ITemplate EditItemTemplate {
+ get { return editItemTemplate; }
+ set { editItemTemplate = value; RequireBinding (); }
+ }
+
+ [WebCategoryAttribute ("Styles")]
+ [PersistenceMode (PersistenceMode.InnerProperty)]
+ [NotifyParentProperty (true)]
+ [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
+ [DefaultValueAttribute (null)]
+ public TableItemStyle EditRowStyle {
+ get {
+ if (editRowStyle == null) {
+ editRowStyle = new TableItemStyle ();
+ if (IsTrackingViewState)
+ editRowStyle.TrackViewState();
+ }
+ return editRowStyle;
+ }
+ }
+
+ [WebCategoryAttribute ("Styles")]
+ [PersistenceMode (PersistenceMode.InnerProperty)]
+ [NotifyParentProperty (true)]
+ [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
+ [DefaultValueAttribute (null)]
+ public TableItemStyle EmptyDataRowStyle {
+ get {
+ if (emptyDataRowStyle == null) {
+ emptyDataRowStyle = new TableItemStyle ();
+ if (IsTrackingViewState)
+ emptyDataRowStyle.TrackViewState();
+ }
+ return emptyDataRowStyle;
+ }
+ }
+
+ [DefaultValue (null)]
+ [TemplateContainer (typeof(FormView), BindingDirection.OneWay)]
+ [PersistenceMode (PersistenceMode.InnerProperty)]
+ [Browsable (false)]
+ public virtual ITemplate EmptyDataTemplate {
+ get { return emptyDataTemplate; }
+ set { emptyDataTemplate = value; RequireBinding (); }
+ }
+
+ [LocalizableAttribute (true)]
+ [WebCategoryAttribute ("Appearance")]
+ [DefaultValueAttribute ("")]
+ public virtual string EmptyDataText {
+ get {
+ object ob = ViewState ["EmptyDataText"];
+ if (ob != null) return (string) ob;
+ return string.Empty;
+ }
+ set {
+ ViewState ["EmptyDataText"] = value;
+ RequireBinding ();
+ }
+ }
+
+ [DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]
+ [BrowsableAttribute (false)]
+ public virtual FormViewRow FooterRow {
+ get {
+ EnsureChildControls ();
+ return footerRow;
+ }
+ }
+
+ [DefaultValue (null)]
+ [TemplateContainer (typeof(FormView), BindingDirection.OneWay)]
+ [PersistenceMode (PersistenceMode.InnerProperty)]
+ [Browsable (false)]
+ public virtual ITemplate FooterTemplate {
+ get { return footerTemplate; }
+ set { footerTemplate = value; RequireBinding (); }
+ }
+
+ [LocalizableAttribute (true)]
+ [WebCategoryAttribute ("Appearance")]
+ [DefaultValueAttribute ("")]
+ public virtual string FooterText {
+ get {
+ object ob = ViewState ["FooterText"];
+ if (ob != null) return (string) ob;
+ return string.Empty;
+ }
+ set {
+ ViewState ["FooterText"] = value;
+ RequireBinding ();
+ }
+ }
+
+ [WebCategoryAttribute ("Styles")]
+ [PersistenceMode (PersistenceMode.InnerProperty)]
+ [NotifyParentProperty (true)]
+ [DefaultValue (null)]
+ [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
+ public TableItemStyle FooterStyle {
+ get {
+ if (footerStyle == null) {
+ footerStyle = new TableItemStyle ();
+ if (IsTrackingViewState)
+ footerStyle.TrackViewState();
+ }
+ return footerStyle;
+ }
+ }
+
+ [WebCategoryAttribute ("Appearance")]
+ [DefaultValueAttribute (GridLines.None)]
+ public virtual GridLines GridLines {
+ get {
+ if (ControlStyleCreated)
+ return ((TableStyle) ControlStyle).GridLines;
+ return GridLines.None;
+ }
+ set {
+ ((TableStyle) ControlStyle).GridLines = value;
+ }
+ }
+
+ [DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]
+ [BrowsableAttribute (false)]
+ public virtual FormViewRow HeaderRow {
+ get {
+ EnsureChildControls ();
+ return headerRow;
+ }
+ }
+
+ [WebCategoryAttribute ("Styles")]
+ [PersistenceMode (PersistenceMode.InnerProperty)]
+ [NotifyParentProperty (true)]
+ [DefaultValue (null)]
+ [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
+ public TableItemStyle HeaderStyle {
+ get {
+ if (headerStyle == null) {
+ headerStyle = new TableItemStyle ();
+ if (IsTrackingViewState)
+ headerStyle.TrackViewState();
+ }
+ return headerStyle;
+ }
+ }
+
+ [DefaultValue (null)]
+ [TemplateContainer (typeof(FormView), BindingDirection.OneWay)]
+ [PersistenceMode (PersistenceMode.InnerProperty)]
+ [Browsable (false)]
+ public virtual ITemplate HeaderTemplate {
+ get { return headerTemplate; }
+ set { headerTemplate = value; RequireBinding (); }
+ }
+
+ [LocalizableAttribute (true)]
+ [WebCategoryAttribute ("Appearance")]
+ [DefaultValueAttribute ("")]
+ public virtual string HeaderText {
+ get {
+ object ob = ViewState ["HeaderText"];
+ if (ob != null) return (string) ob;
+ return string.Empty;
+ }
+ set {
+ ViewState ["HeaderText"] = value;
+ RequireBinding ();
+ }
+ }
+
+ [Category ("Layout")]
+ [DefaultValueAttribute (HorizontalAlign.NotSet)]
+ public virtual HorizontalAlign HorizontalAlign {
+ get {
+ if (ControlStyleCreated)
+ return ((TableStyle) ControlStyle).HorizontalAlign;
+ return HorizontalAlign.NotSet;
+ }
+ set {
+ ((TableStyle) ControlStyle).HorizontalAlign = value;
+ }
+ }
+
+ [DefaultValue (null)]
+ [TemplateContainer (typeof(FormView), BindingDirection.TwoWay)]
+ [PersistenceMode (PersistenceMode.InnerProperty)]
+ [Browsable (false)]
+ public virtual ITemplate InsertItemTemplate {
+ get { return insertItemTemplate; }
+ set { insertItemTemplate = value; RequireBinding (); }
+ }
+
+ [WebCategoryAttribute ("Styles")]
+ [PersistenceMode (PersistenceMode.InnerProperty)]
+ [NotifyParentProperty (true)]
+ [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
+ [DefaultValueAttribute (null)]
+ public TableItemStyle InsertRowStyle {
+ get {
+ if (insertRowStyle == null) {
+ insertRowStyle = new TableItemStyle ();
+ if (IsTrackingViewState)
+ insertRowStyle.TrackViewState();
+ }
+ return insertRowStyle;
+ }
+ }
+
+ [DefaultValue (null)]
+ [TemplateContainer (typeof(FormView), BindingDirection.TwoWay)]
+ [PersistenceMode (PersistenceMode.InnerProperty)]
+ [Browsable (false)]
+ public virtual ITemplate ItemTemplate {
+ get { return itemTemplate; }
+ set { itemTemplate = value; RequireBinding (); }
+ }
+
+ [BrowsableAttribute (false)]
+ [DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]
+ public virtual int PageCount {
+ get {
+ return pageCount;
+ }
+ }
+
+ [WebCategoryAttribute ("Paging")]
+ [BindableAttribute (true, BindingDirection.OneWay)]
+ [DefaultValueAttribute (0)]
+ public virtual int PageIndex {
+ get {
+ return pageIndex;
+ }
+ set {
+ if (value < 0)
+ throw new ArgumentOutOfRangeException ("PageIndex must be non-negative");
+ if (pageIndex == value)
+ return;
+ pageIndex = value;
+ RequireBinding ();
+ }
+ }
+
+ [WebCategoryAttribute ("Paging")]
+ [DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Content)]
+ [NotifyParentPropertyAttribute (true)]
+ [PersistenceModeAttribute (PersistenceMode.InnerProperty)]
+ public virtual PagerSettings PagerSettings {
+ get {
+ if (pagerSettings == null) {
+ pagerSettings = new PagerSettings (this);
+ if (IsTrackingViewState)
+ ((IStateManager)pagerSettings).TrackViewState ();
+ }
+ return pagerSettings;
+ }
+ }
+
+ [WebCategoryAttribute ("Styles")]
+ [PersistenceMode (PersistenceMode.InnerProperty)]
+ [NotifyParentProperty (true)]
+ [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
+ public TableItemStyle PagerStyle {
+ get {
+ if (pagerStyle == null) {
+ pagerStyle = new TableItemStyle ();
+ if (IsTrackingViewState)
+ pagerStyle.TrackViewState();
+ }
+ return pagerStyle;
+ }
+ }
+
+
+ [DefaultValue (null)]
+ /* DataControlPagerCell isnt specified in the docs */
+ //[TemplateContainer (typeof(DataControlPagerCell), BindingDirection.OneWay)]
+ [PersistenceMode (PersistenceMode.InnerProperty)]
+ [Browsable (false)]
+ public virtual ITemplate PagerTemplate {
+ get { return pagerTemplate; }
+ set { pagerTemplate = value; RequireBinding (); }
+ }
+
+ [DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]
+ [BrowsableAttribute (false)]
+ public virtual FormViewRow Row {
+ get {
+ EnsureChildControls ();
+ return itemRow;
+ }
+ }
+
+ [WebCategoryAttribute ("Styles")]
+ [PersistenceMode (PersistenceMode.InnerProperty)]
+ [NotifyParentProperty (true)]
+ [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
+ [DefaultValue (null)]
+ public TableItemStyle RowStyle {
+ get {
+ if (rowStyle == null) {
+ rowStyle = new TableItemStyle ();
+ if (IsTrackingViewState)
+ rowStyle.TrackViewState();
+ }
+ return rowStyle;
+ }
+ }
+
+ [DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]
+ [BrowsableAttribute (false)]
+ public object SelectedValue {
+ get { return DataKey.Value; }
+ }
+
+ [DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]
+ [BrowsableAttribute (false)]
+ public virtual FormViewRow TopPagerRow {
+ get {
+ EnsureChildControls ();
+ return topPagerRow;
+ }
+ }
+
+ [DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]
+ [BrowsableAttribute (false)]
+ public virtual object DataItem {
+ get {
+ EnsureDataBound ();
+ return dataItem;
+ }
+ }
+
+ [DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]
+ [BrowsableAttribute (false)]
+ public int DataItemCount {
+ get { return PageCount; }
+ }
+
+ [DesignerSerializationVisibilityAttribute (DesignerSerializationVisibility.Hidden)]
+ [BrowsableAttribute (false)]
+ public virtual int DataItemIndex {
+ get { return PageIndex; }
+ }
+
+ int IDataItemContainer.DataItemIndex {
+ get { return DataItemIndex; }
+ }
+
+ int IDataItemContainer.DisplayIndex {
+ get { return PageIndex; }
+ }
+
+ public virtual bool IsBindableType (Type type)
+ {
+ return type.IsPrimitive || type == typeof (string) || type == typeof (DateTime) || type == typeof (Guid) || type == typeof (Decimal);
+ }
+
+ protected override DataSourceSelectArguments CreateDataSourceSelectArguments ()
+ {
+ DataSourceSelectArguments arg = new DataSourceSelectArguments ();
+ DataSourceView view = GetData ();
+ if (AllowPaging && view.CanPage) {
+ arg.StartRowIndex = PageIndex;
+ if (view.CanRetrieveTotalRowCount) {
+ arg.RetrieveTotalRowCount = true;
+ arg.MaximumRows = 1;
+ }
+ else {
+ arg.MaximumRows = -1;
+ }
+ }
+ return arg;
+ }
+
+ protected virtual FormViewRow CreateRow (int rowIndex, DataControlRowType rowType, DataControlRowState rowState)
+ {
+ FormViewRow row = new FormViewRow (rowIndex, rowType, rowState);
+ OnItemCreated (EventArgs.Empty);
+ return row;
+ }
+
+ void RequireBinding ()
+ {
+ if (Initialized) {
+ RequiresDataBinding = true;
+ }
+ }
+
+ protected virtual Table CreateTable ()
+ {
+ return new ContainedTable (this);
+ }
+
+ protected override void EnsureDataBound ()
+ {
+ base.EnsureDataBound ();
+ }
+
+ protected override Style CreateControlStyle ()
+ {
+ TableStyle style = new TableStyle (ViewState);
+ style.CellSpacing = 0;
+ return style;
+ }
+
+ protected override int CreateChildControls (IEnumerable data, bool dataBinding)
+ {
+ PagedDataSource dataSource = new PagedDataSource ();
+ dataSource.DataSource = data;
+ dataSource.AllowPaging = AllowPaging;
+ dataSource.PageSize = 1;
+ dataSource.CurrentPageIndex = PageIndex;
+
+ if (dataBinding && CurrentMode != FormViewMode.Insert) {
+ DataSourceView view = GetData ();
+ if (view != null && view.CanPage) {
+ dataSource.AllowServerPaging = true;
+ if (SelectArguments.RetrieveTotalRowCount)
+ dataSource.VirtualCount = SelectArguments.TotalRowCount;
+ }
+ }
+
+ pageCount = dataSource.DataSourceCount;
+ bool showPager = AllowPaging && (pageCount > 1);
+
+ Controls.Clear ();
+ table = CreateTable ();
+ Controls.Add (table);
+
+ // Gets the current data item
+
+ IEnumerator e = dataSource.GetEnumerator ();
+ dataItem = null;
+
+ if (AllowPaging) {
+ if (e.MoveNext ())
+ dataItem = e.Current;
+ }
+ else
+ for (int page = 0; e.MoveNext (); page++ )
+ if (page == PageIndex)
+ dataItem = e.Current;
+
+ // Main table creation
+
+ if (HeaderText.Length != 0 || headerTemplate != null) {
+ headerRow = CreateRow (-1, DataControlRowType.Header, DataControlRowState.Normal);
+ InitializeRow (headerRow);
+ table.Rows.Add (headerRow);
+ }
+
+ if (showPager && PagerSettings.Position == PagerPosition.Top || PagerSettings.Position == PagerPosition.TopAndBottom) {
+ topPagerRow = CreateRow (-1, DataControlRowType.Pager, DataControlRowState.Normal);
+ InitializePager (topPagerRow, dataSource);
+ table.Rows.Add (topPagerRow);
+ }
+
+ if (pageCount > 0) {
+ DataControlRowState rstate = GetRowState ();
+ itemRow = CreateRow (0, DataControlRowType.DataRow, rstate);
+ InitializeRow (itemRow);
+ table.Rows.Add (itemRow);
+ } else {
+ switch (CurrentMode) {
+ case FormViewMode.Edit:
+ itemRow = CreateRow (-1, DataControlRowType.EmptyDataRow, DataControlRowState.Edit);
+ break;
+ case FormViewMode.Insert:
+ itemRow = CreateRow (-1, DataControlRowType.DataRow, DataControlRowState.Insert);
+ break;
+ default:
+ itemRow = CreateRow (-1, DataControlRowType.EmptyDataRow, DataControlRowState.Normal);
+ break;
+ }
+ table.Rows.Add (itemRow);
+ InitializeRow (itemRow);
+ }
+
+ if (FooterText.Length != 0 || footerTemplate != null) {
+ footerRow = CreateRow (-1, DataControlRowType.Footer, DataControlRowState.Normal);
+ InitializeRow (footerRow);
+ table.Rows.Add (footerRow);
+ }
+
+ if (showPager && PagerSettings.Position == PagerPosition.Bottom || PagerSettings.Position == PagerPosition.TopAndBottom) {
+ bottomPagerRow = CreateRow (0, DataControlRowType.Pager, DataControlRowState.Normal);
+ InitializePager (bottomPagerRow, dataSource);
+ table.Rows.Add (bottomPagerRow);
+ }
+
+ if (dataBinding)
+ DataBind (false);
+
+ return dataSource.DataSourceCount;
+ }
+
+ DataControlRowState GetRowState ()
+ {
+ DataControlRowState rstate = DataControlRowState.Normal;
+ if (CurrentMode == FormViewMode.Edit) rstate |= DataControlRowState.Edit;
+ else if (CurrentMode == FormViewMode.Insert) rstate |= DataControlRowState.Insert;
+ return rstate;
+ }
+
+ protected virtual void InitializePager (FormViewRow row, PagedDataSource dataSource)
+ {
+ TableCell cell = new TableCell ();
+ cell.ColumnSpan = 2;
+
+ if (pagerTemplate != null)
+ pagerTemplate.InstantiateIn (cell);
+ else
+ cell.Controls.Add (PagerSettings.CreatePagerControl (dataSource.CurrentPageIndex, dataSource.PageCount));
+
+ row.Cells.Add (cell);
+ }
+
+ protected virtual void InitializeRow (FormViewRow row)
+ {
+ TableCell cell = new TableCell ();
+
+ if (row.RowType == DataControlRowType.DataRow)
+ {
+ if ((row.RowState & DataControlRowState.Edit) != 0) {
+ if (editItemTemplate != null)
+ editItemTemplate.InstantiateIn (cell);
+ } else if ((row.RowState & DataControlRowState.Insert) != 0) {
+ if (insertItemTemplate != null)
+ insertItemTemplate.InstantiateIn (cell);
+ } else if (itemTemplate != null)
+ itemTemplate.InstantiateIn (cell);
+ }
+ else if (row.RowType == DataControlRowType.EmptyDataRow)
+ {
+ if (emptyDataTemplate != null)
+ emptyDataTemplate.InstantiateIn (cell);
+ else
+ cell.Text = EmptyDataText;
+ }
+ else if (row.RowType == DataControlRowType.Footer)
+ {
+ if (footerTemplate != null)
+ footerTemplate.InstantiateIn (cell);
+ else
+ cell.Text = FooterText;
+ }
+ else if (row.RowType == DataControlRowType.Header)
+ {
+ if (headerTemplate != null)
+ headerTemplate.InstantiateIn (cell);
+ else
+ cell.Text = HeaderText;
+ }
+ cell.ColumnSpan = 2;
+ row.Cells.Add (cell);
+ }
+
+ void FillRowDataKey (object dataItem)
+ {
+ KeyTable.Clear ();
+
+ if (cachedKeyProperties == null) {
+ PropertyDescriptorCollection props = TypeDescriptor.GetProperties (dataItem);
+ cachedKeyProperties = new PropertyDescriptor [DataKeyNames.Length];
+ for (int n=0; n<DataKeyNames.Length; n++) {
+ PropertyDescriptor p = props [DataKeyNames[n]];
+ if (p == null)
+ new InvalidOperationException ("Property '" + DataKeyNames[n] + "' not found in object of type " + dataItem.GetType());
+ cachedKeyProperties [n] = p;
+ }
+ }
+ foreach (PropertyDescriptor p in cachedKeyProperties)
+ KeyTable [p.Name] = p.GetValue (dataItem);
+ }
+
+ IOrderedDictionary GetRowValues (bool includePrimaryKey)
+ {
+ OrderedDictionary dic = new OrderedDictionary ();
+ ExtractRowValues (dic, includePrimaryKey);
+ return dic;
+ }
+
+ protected virtual void ExtractRowValues (IOrderedDictionary fieldValues, bool includeKeys)
+ {
+ if (Row == null)
+ return;
+
+ DataControlRowState rowState = Row.RowState;
+ IBindableTemplate bt;
+
+ if ((rowState & DataControlRowState.Insert) != 0)
+ bt = insertItemTemplate as IBindableTemplate;
+ else if ((rowState & DataControlRowState.Edit) != 0)
+ bt = editItemTemplate as IBindableTemplate;
+ else
+ return;
+
+ if (bt != null) {
+ IOrderedDictionary values = bt.ExtractValues (Row.Cells [0]);
+ foreach (DictionaryEntry e in values) {
+ if (includeKeys || Array.IndexOf (DataKeyNames, e.Key) == -1)
+ fieldValues [e.Key] = e.Value;
+ }
+ }
+ }
+
+ protected override HtmlTextWriterTag TagKey {
+ get {
+ return HtmlTextWriterTag.Table;
+ }
+ }
+
+ public sealed override void DataBind ()
+ {
+ if (CurrentMode == FormViewMode.Insert) {
+ RequiresDataBinding = false;
+ PerformDataBinding (new object [] { null });
+ return;
+ }
+
+ cachedKeyProperties = null;
+ base.DataBind ();
+
+ if (pageCount > 0) {
+ if (CurrentMode == FormViewMode.Edit)
+ oldEditValues = new DataKey (GetRowValues (true));
+ FillRowDataKey (dataItem);
+ key = new DataKey (KeyTable);
+ }
+ }
+
+ protected internal override void PerformDataBinding (IEnumerable data)
+ {
+ base.PerformDataBinding (data);
+ }
+
+ protected internal virtual void PrepareControlHierarchy ()
+ {
+ if (table == null)
+ return;
+
+ table.Caption = Caption;
+ table.CaptionAlign = CaptionAlign;
+
+ foreach (FormViewRow row in table.Rows) {
+ switch (row.RowType) {
+ case DataControlRowType.Header:
+ if (headerStyle != null && !headerStyle.IsEmpty)
+ row.ControlStyle.CopyFrom (headerStyle);
+ break;
+ case DataControlRowType.Footer:
+ if (footerStyle != null && !footerStyle.IsEmpty)
+ row.ControlStyle.CopyFrom (footerStyle);
+ break;
+ case DataControlRowType.Pager:
+ if (pagerStyle != null && !pagerStyle.IsEmpty)
+ row.ControlStyle.CopyFrom (pagerStyle);
+ break;
+ case DataControlRowType.EmptyDataRow:
+ if (emptyDataRowStyle != null && !emptyDataRowStyle.IsEmpty)
+ row.ControlStyle.CopyFrom (emptyDataRowStyle);
+ break;
+ case DataControlRowType.DataRow:
+ if (rowStyle != null && !rowStyle.IsEmpty)
+ row.ControlStyle.CopyFrom (rowStyle);
+ if ((row.RowState & (DataControlRowState.Edit | DataControlRowState.Insert)) != 0 && editRowStyle != null && !editRowStyle.IsEmpty)
+ row.ControlStyle.CopyFrom (editRowStyle);
+ if ((row.RowState & DataControlRowState.Insert) != 0 && insertRowStyle != null && !insertRowStyle.IsEmpty)
+ row.ControlStyle.CopyFrom (insertRowStyle);
+ break;
+ default:
+ break;
+ }
+ }
+ }
+
+ protected internal override void OnInit (EventArgs e)
+ {
+ Page.RegisterRequiresControlState (this);
+ base.OnInit (e);
+ }
+
+ protected override bool OnBubbleEvent (object source, EventArgs e)
+ {
+ FormViewCommandEventArgs args = e as FormViewCommandEventArgs;
+ if (args != null) {
+ OnItemCommand (args);
+ ProcessEvent (args.CommandName, args.CommandArgument as string);
+ return true;
+ }
+ return base.OnBubbleEvent (source, e);
+ }
+
+ void IPostBackEventHandler.RaisePostBackEvent(string eventArgument)
+ {
+ RaisePostBackEvent (eventArgument);
+ }
+
+ protected virtual void RaisePostBackEvent (string eventArgument)
+ {
+ int i = eventArgument.IndexOf ('$');
+ if (i != -1)
+ ProcessEvent (eventArgument.Substring (0, i), eventArgument.Substring (i + 1));
+ else
+ ProcessEvent (eventArgument, null);
+ }
+
+ void ProcessEvent (string eventName, string param)
+ {
+ switch (eventName)
+ {
+ case DataControlCommands.PageCommandName:
+ int newIndex = -1;
+ switch (param) {
+ case DataControlCommands.FirstPageCommandArgument:
+ newIndex = 0;
+ break;
+ case DataControlCommands.LastPageCommandArgument:
+ newIndex = PageCount - 1;
+ break;
+ case DataControlCommands.NextPageCommandArgument:
+ newIndex = PageIndex + 1;
+ break;
+ case DataControlCommands.PreviousPageCommandArgument:
+ newIndex = PageIndex - 1;
+ break;
+ default:
+ int paramIndex = 0;
+ int.TryParse (param, out paramIndex);
+ newIndex = paramIndex - 1;
+ break;
+ }
+ ShowPage (newIndex);
+ break;
+
+ case DataControlCommands.FirstPageCommandArgument:
+ ShowPage (0);
+ break;
+
+ case DataControlCommands.LastPageCommandArgument:
+ ShowPage (PageCount - 1);
+ break;
+
+ case DataControlCommands.NextPageCommandArgument:
+ if (PageIndex < PageCount - 1)
+ ShowPage (PageIndex + 1);
+ break;
+
+ case DataControlCommands.PreviousPageCommandArgument:
+ if (PageIndex > 0)
+ ShowPage (PageIndex - 1);
+ break;
+
+ case DataControlCommands.EditCommandName:
+ ChangeMode (FormViewMode.Edit);
+ break;
+
+ case DataControlCommands.NewCommandName:
+ ChangeMode (FormViewMode.Insert);
+ break;
+
+ case DataControlCommands.UpdateCommandName:
+ UpdateItem (param, true);
+ break;
+
+ case DataControlCommands.CancelCommandName:
+ CancelEdit ();
+ break;
+
+ case DataControlCommands.DeleteCommandName:
+ DeleteItem ();
+ break;
+
+ case DataControlCommands.InsertCommandName:
+ InsertItem (true);
+ break;
+ }
+ }
+
+ void ShowPage (int index)
+ {
+ FormViewPageEventArgs args = new FormViewPageEventArgs (index);
+ OnPageIndexChanging (args);
+ if (!args.Cancel) {
+ int newIndex = args.NewPageIndex;
+ if (newIndex < 0 || newIndex >= PageCount)
+ return;
+ EndRowEdit (false);
+ PageIndex = newIndex;
+ OnPageIndexChanged (EventArgs.Empty);
+ }
+ }
+
+ public void ChangeMode (FormViewMode newMode)
+ {
+ FormViewModeEventArgs args = new FormViewModeEventArgs (newMode, false);
+ OnModeChanging (args);
+ if (!args.Cancel) {
+ CurrentMode = args.NewMode;
+ OnModeChanged (EventArgs.Empty);
+ RequireBinding ();
+ }
+ }
+
+ void CancelEdit ()
+ {
+ FormViewModeEventArgs args = new FormViewModeEventArgs (FormViewMode.ReadOnly, true);
+ OnModeChanging (args);
+ if (!args.Cancel) {
+ EndRowEdit ();
+ }
+ }
+
+ public virtual void UpdateItem (bool causesValidation)
+ {
+ UpdateItem (null, causesValidation);
+ }
+
+ void UpdateItem (string param, bool causesValidation)
+ {
+ if (causesValidation && Page != null)
+ Page.Validate ();
+
+ if (currentMode != FormViewMode.Edit) throw new HttpException ("Must be in Edit mode");
+
+ currentEditOldValues = OldEditValues.Values;
+ currentEditRowKeys = DataKey.Values;
+ currentEditNewValues = GetRowValues (false);
+
+ FormViewUpdateEventArgs args = new FormViewUpdateEventArgs (param, currentEditRowKeys, currentEditOldValues, currentEditNewValues);
+ OnItemUpdating (args);
+ if (!args.Cancel) {
+ DataSourceView view = GetData ();
+ if (view == null)
+ throw new HttpException ("The DataSourceView associated to data bound control was null");
+ if (view.CanUpdate)
+ view.Update (currentEditRowKeys, currentEditNewValues, currentEditOldValues, new DataSourceViewOperationCallback (UpdateCallback));
+ }
+ else
+ EndRowEdit ();
+ }
+
+ bool UpdateCallback (int recordsAffected, Exception exception)
+ {
+ FormViewUpdatedEventArgs dargs = new FormViewUpdatedEventArgs (recordsAffected, exception, currentEditRowKeys, currentEditOldValues, currentEditNewValues);
+ OnItemUpdated (dargs);
+
+ if (!dargs.KeepInEditMode)
+ EndRowEdit ();
+
+ return dargs.ExceptionHandled;
+ }
+
+ public virtual void InsertItem (bool causesValidation)
+ {
+ InsertItem (null, causesValidation);
+ }
+
+ void InsertItem (string param, bool causesValidation)
+ {
+ if (causesValidation && Page != null)
+ Page.Validate ();
+
+ if (currentMode != FormViewMode.Insert) throw new HttpException ("Must be in Insert mode");
+
+ currentEditNewValues = GetRowValues (true);
+ FormViewInsertEventArgs args = new FormViewInsertEventArgs (param, currentEditNewValues);
+ OnItemInserting (args);
+ if (!args.Cancel) {
+ DataSourceView view = GetData ();
+ if (view == null)
+ throw new HttpException ("The DataSourceView associated to data bound control was null");
+ if (view.CanInsert)
+ view.Insert (currentEditNewValues, new DataSourceViewOperationCallback (InsertCallback));
+ }
+ else
+ EndRowEdit ();
+ }
+
+ bool InsertCallback (int recordsAffected, Exception exception)
+ {
+ FormViewInsertedEventArgs dargs = new FormViewInsertedEventArgs (recordsAffected, exception, currentEditNewValues);
+ OnItemInserted (dargs);
+
+ if (!dargs.KeepInInsertMode)
+ EndRowEdit ();
+
+ return dargs.ExceptionHandled;
+ }
+
+ public virtual void DeleteItem ()
+ {
+ currentEditRowKeys = DataKey.Values;
+ currentEditNewValues = GetRowValues (true);
+
+ FormViewDeleteEventArgs args = new FormViewDeleteEventArgs (PageIndex, currentEditRowKeys, currentEditNewValues);
+ OnItemDeleting (args);
+
+ if (!args.Cancel) {
+ if (PageIndex > 0 && PageIndex == PageCount - 1)
+ PageIndex--;
+
+ RequireBinding ();
+
+ DataSourceView view = GetData ();
+ if (view != null && view.CanDelete)
+ view.Delete (currentEditRowKeys, currentEditNewValues, new DataSourceViewOperationCallback (DeleteCallback));
+ else {
+ FormViewDeletedEventArgs dargs = new FormViewDeletedEventArgs (0, null, currentEditRowKeys, currentEditNewValues);
+ OnItemDeleted (dargs);
+ }
+ }
+ }
+
+ bool DeleteCallback (int recordsAffected, Exception exception)
+ {
+ FormViewDeletedEventArgs dargs = new FormViewDeletedEventArgs (recordsAffected, exception, currentEditRowKeys, currentEditNewValues);
+ OnItemDeleted (dargs);
+ return dargs.ExceptionHandled;
+ }
+
+ void EndRowEdit ()
+ {
+ EndRowEdit (true);
+ }
+
+ void EndRowEdit (bool switchToDefaultMode)
+ {
+ if (switchToDefaultMode)
+ ChangeMode (DefaultMode);
+ oldEditValues = new DataKey (new OrderedDictionary ());
+ currentEditRowKeys = null;
+ currentEditOldValues = null;
+ currentEditNewValues = null;
+ RequireBinding ();
+ }
+
+ protected internal override void LoadControlState (object ob)
+ {
+ if (ob == null) return;
+ object[] state = (object[]) ob;
+ base.LoadControlState (state[0]);
+ pageIndex = (int) state[1];
+ pageCount = (int) state[2];
+ CurrentMode = (FormViewMode) state[3];
+ defaultMode = (FormViewMode) state[4];
+ dataKeyNames = (string[]) state[5];
+ if (state [6] != null)
+ ((IStateManager) DataKey).LoadViewState (state [6]);
+ if (state [7] != null)
+ ((IStateManager) OldEditValues).LoadViewState (state [7]);
+ }
+
+ protected internal override object SaveControlState ()
+ {
+ object bstate = base.SaveControlState ();
+ return new object [] {
+ bstate,
+ pageIndex,
+ pageCount,
+ CurrentMode,
+ defaultMode,
+ dataKeyNames,
+ (key == null ? null : ((IStateManager)key).SaveViewState()),
+ (oldEditValues == null ? null : ((IStateManager) oldEditValues).SaveViewState ())
+ };
+ }
+
+ protected override void TrackViewState()
+ {
+ base.TrackViewState();
+ if (pagerSettings != null) ((IStateManager)pagerSettings).TrackViewState();
+ if (footerStyle != null) ((IStateManager)footerStyle).TrackViewState();
+ if (headerStyle != null) ((IStateManager)headerStyle).TrackViewState();
+ if (pagerStyle != null) ((IStateManager)pagerStyle).TrackViewState();
+ if (rowStyle != null) ((IStateManager)rowStyle).TrackViewState();
+ if (editRowStyle != null) ((IStateManager)editRowStyle).TrackViewState();
+ if (insertRowStyle != null) ((IStateManager)insertRowStyle).TrackViewState();
+ if (emptyDataRowStyle != null) ((IStateManager)emptyDataRowStyle).TrackViewState();
+ }
+
+ protected override object SaveViewState()
+ {
+ object[] states = new object [10];
+ states[0] = base.SaveViewState();
+ states[1] = (pagerSettings == null ? null : ((IStateManager)pagerSettings).SaveViewState());
+ states[2] = (footerStyle == null ? null : ((IStateManager)footerStyle).SaveViewState());
+ states[3] = (headerStyle == null ? null : ((IStateManager)headerStyle).SaveViewState());
+ states[4] = (pagerStyle == null ? null : ((IStateManager)pagerStyle).SaveViewState());
+ states[5] = (rowStyle == null ? null : ((IStateManager)rowStyle).SaveViewState());
+ states[6] = (insertRowStyle == null ? null : ((IStateManager)insertRowStyle).SaveViewState());
+ states[7] = (editRowStyle == null ? null : ((IStateManager)editRowStyle).SaveViewState());
+ states[8] = (emptyDataRowStyle == null ? null : ((IStateManager)emptyDataRowStyle).SaveViewState());
+
+ for (int i = states.Length - 1; i >= 0; i--) {
+ if (states [i] != null)
+ return states;
+ }
+
+ return null;
+ }
+
+ protected override void LoadViewState (object savedState)
+ {
+ if (savedState == null) {
+ base.LoadViewState (null);
+ return;
+ }
+
+ object [] states = (object []) savedState;
+
+ base.LoadViewState (states[0]);
+
+ if (states[1] != null) ((IStateManager)PagerSettings).LoadViewState (states[1]);
+ if (states[2] != null) ((IStateManager)FooterStyle).LoadViewState (states[2]);
+ if (states[3] != null) ((IStateManager)HeaderStyle).LoadViewState (states[3]);
+ if (states[4] != null) ((IStateManager)PagerStyle).LoadViewState (states[4]);
+ if (states[5] != null) ((IStateManager)RowStyle).LoadViewState (states[5]);
+ if (states[6] != null) ((IStateManager)InsertRowStyle).LoadViewState (states[6]);
+ if (states[7] != null) ((IStateManager)EditRowStyle).LoadViewState (states[7]);
+ if (states[8] != null) ((IStateManager)EmptyDataRowStyle).LoadViewState (states[8]);
+ }
+
+ protected internal override void Render (HtmlTextWriter writer)
+ {
+ PrepareControlHierarchy ();
+
+ if (table == null)
+ return;
+
+ table.Render (writer);
+ }
+
+ PostBackOptions IPostBackContainer.GetPostBackOptions (IButtonControl control)
+ {
+ if (control == null)
+ throw new ArgumentNullException ("control");
+
+ if (control.CausesValidation)
+ throw new InvalidOperationException ("A button that causes validation in FormView '" + ID + "' is attempting to use the container GridView as the post back target. The button should either turn off validation or use itself as the post back container.");
+
+ PostBackOptions options = new PostBackOptions (this);
+ options.Argument = control.CommandName + "$" + control.CommandArgument;
+ options.RequiresJavaScriptProtocol = true;
+
+ return options;
+ }
+
+ }
+}
+
+#endif
projects / mono.git / commitdiff