-/**\r
- * Namespace: System.Web.UI.WebControls\r
- * Class: BaseDataList\r
- *\r
- * Author: Gaurav Vaish\r
- * Maintainer: gvaish@iitk.ac.in\r
- * Contact: <my_scripts2001@yahoo.com>, <gvaish@iitk.ac.in>\r
- * Implementation: yes\r
- * Status: 100%\r
- *\r
- * (C) Gaurav Vaish (2001)\r
- */\r
+//
+// System.Web.UI.WebControls.BaseDataList.cs
+//
+// Authors:
+// Gaurav Vaish (gvaish@iitk.ac.in)
+// Andreas Nahr (ClassDevelopment@A-SoftTech.com)
+//
+// (C) Gaurav Vaish (2001)
+// (C) 2003 Andreas Nahr
+//\r
+
+//
+// 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.
+//
\r
using System;\r
-using System.ComponentModel;\r
+using System.ComponentModel;
+using System.ComponentModel.Design;\r
using System.Collections;\r
using System.Web;\r
-using System.Web.UI;\r
+using System.Web.UI;
+using System.Web.Util;\r
\r
namespace System.Web.UI.WebControls\r
{\r
[DefaultEvent("SelectedIndexChanged")]\r
[DefaultProperty("DataSource")]\r
- //TODO: [Designer("??")]\r
+ [Designer("System.Web.UI.Design.WebControls.BaseDataListDesigner, " + Consts.AssemblySystem_Design, typeof (IDesigner))]\r
public abstract class BaseDataList: WebControl\r
{\r
private static readonly object SelectedIndexChangedEvent = new object();\r
internal static string ItemCountViewStateKey = "_!ItemCount";\r
- \r
+\r
private DataKeyCollection dataKeys;\r
private object dataSource;\r
- \r
+\r
public BaseDataList() : base()\r
{\r
}\r
return true;\r
return false;\r
}\r
- \r
- public override void DataBind()\r
+\r
+ public override ControlCollection Controls\r
{\r
+ get\r
+ {\r
+ EnsureChildControls();\r
+ return base.Controls;\r
+ }\r
+ }\r
+\r
+ public override void DataBind()\r
+ {
+ #if NET_2_0
+ RequiresDataBinding = false;
+ #endif\r
OnDataBinding(EventArgs.Empty);\r
}\r
- \r
+\r
+ [WebCategory("Action")]\r
+ [WebSysDescription("BaseDataList_OnSelectedIndexChanged")]\r
public event EventHandler SelectedIndexChanged\r
{\r
add\r
Events.RemoveHandler(SelectedIndexChangedEvent, value);\r
}\r
}\r
- \r
+\r
+ [Bindable(true)]\r
+ [DefaultValue(-1)]\r
+ [WebCategory("Layout")]\r
+ [WebSysDescription("BaseDataList_CellPadding")]\r
public virtual int CellPadding\r
{\r
get\r
((TableStyle)ControlStyle).CellPadding = value;\r
}\r
}\r
- \r
+\r
+ [Bindable(true)]\r
+ [DefaultValue(-1)]\r
+ [WebCategory("Layout")]\r
+ [WebSysDescription("BaseDataList_CellSpacing")]\r
public virtual int CellSpacing\r
{\r
get\r
((TableStyle)ControlStyle).CellSpacing = value;\r
}\r
}\r
- \r
+\r
+ [DefaultValue("")]\r
+ [WebCategory("Data")]\r
+ [WebSysDescription("BaseDataList_DataKeyField")]\r
public virtual string DataKeyField\r
{\r
get\r
ViewState["DataKeyField"] = value;\r
}\r
}\r
- \r
+\r
+ [Browsable(true)]\r
+ [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]\r
+ [WebSysDescription("BaseDataList_DataKeys")]\r
public DataKeyCollection DataKeys\r
{\r
get\r
if( dataKeys==null )\r
dataKeys = new DataKeyCollection(DataKeysArray);\r
return dataKeys;\r
- \r
+\r
}\r
}\r
- \r
+\r
+ [DefaultValue("")]\r
+ [WebCategory("Data")]\r
+ [WebSysDescription("BaseDataList_DataMember")]\r
public string DataMember\r
{\r
get\r
ViewState["DataMember"] = value;\r
}\r
}\r
- \r
- public virtual object DataSource\r
- {\r
- get\r
- {\r
- return dataSource;\r
- }\r
- set\r
- {\r
- if( (value!=null) && ( value is IListSource || value is IEnumerable) )\r
- {\r
- dataSource = value;\r
- } else\r
- {\r
- throw new ArgumentException(HttpRuntime.FormatResourceString("Invalid_DataSource_Type", ID));\r
- }\r
- }\r
- }\r
\r
+ [Bindable(true)]\r
+ [DefaultValue(null)]\r
+ [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]\r
+ [WebCategory("Data")]\r
+ [WebSysDescription("BaseDataList_DataSource")]\r
+ public virtual object DataSource {
+ get {
+ return dataSource;
+ }
+ set {
+ if (value == null || value is IListSource || value is IEnumerable) {
+ dataSource = value;
+ } else {
+ throw new ArgumentException (HttpRuntime.FormatResourceString (
+ "Invalid_DataSource_Type", ID));
+ }
+ }
+ }
+
+ [Bindable(true)]\r
+ [DefaultValue(GridLines.Both)]\r
+ [WebCategory("Appearance")]\r
+ [WebSysDescription("BaseDataList_GridLines")]\r
public virtual GridLines GridLines\r
{\r
get\r
{\r
((TableStyle)ControlStyle).GridLines = value;\r
}\r
- }\r
- \r
+ }
+
+ // LAMESPEC HorizontalAlign has a Category attribute, this should obviously be a WebCategory attribute
+ // but is defined incorrectly in the MS framework\r
+\r
+ [Bindable(true)]\r
+ [DefaultValue(HorizontalAlign.NotSet)]\r
+ [Category("Layout")]\r
+ [WebSysDescription("BaseDataList_HorizontalAlign")]\r
public virtual HorizontalAlign HorizontalAlign\r
{\r
get\r
((TableStyle)ControlStyle).HorizontalAlign = value;\r
}\r
}\r
- \r
+\r
protected ArrayList DataKeysArray\r
{\r
get\r
return (ArrayList)o;\r
}\r
}\r
- \r
+\r
protected override void AddParsedSubObject(object o)\r
{\r
// Preventing literal controls from being added as children.\r
Controls.Clear();\r
if(ViewState[ItemCountViewStateKey]!=null)\r
{\r
- CreateControlHierarchy(true);\r
+ CreateControlHierarchy(false);\r
ClearChildViewState();\r
}\r
}\r
- \r
+\r
protected override void OnDataBinding(EventArgs e)\r
{\r
base.OnDataBinding(e);\r
ChildControlsCreated = true;\r
TrackViewState();\r
}\r
- \r
+\r
protected virtual void OnSelectedIndexChanged(EventArgs e)\r
{\r
if(Events != null)\r
eh(this, e);\r
}\r
}\r
- \r
+\r
protected override void Render(HtmlTextWriter writer)\r
{\r
PrepareControlHierarchy();\r
- base.RenderContents(writer);\r
+ RenderContents(writer);\r
}\r
- \r
+\r
protected abstract void PrepareControlHierarchy();\r
- protected abstract void CreateControlHierarchy(bool useDataSource);\r
+ protected abstract void CreateControlHierarchy(bool useDataSource);
+
+ #if NET_2_0
+
+
+ // should be `internal protected' (why, oh WHY did they do that !?!)
+ protected override void OnInit (EventArgs e)
+ {
+ base.OnInit(e);
+ inited = true;
+ if (!Page.IsPostBack)
+ RequiresDataBinding = true;
+ }
+
+ // should be `internal protected' (why, oh WHY did they do that !?!)
+ protected override void OnLoad (EventArgs e)
+ {
+ IDataSource ds = GetDataSourceObject () as IDataSource;
+ if (ds != null && DataSourceID != "")
+ ds.DataSourceChanged += new EventHandler (OnDataSourceChanged);
+
+ base.OnLoad(e);
+ }
+
+ // should be `internal protected' (why, oh WHY did they do that !?!)
+ protected override void OnPreRender (EventArgs e)
+ {
+ EnsureDataBound ();
+ base.OnPreRender (e);
+ }
+
+ protected void EnsureDataBound ()
+ {
+ if (RequiresDataBinding && DataSourceID != "")
+ DataBind ();
+ }
+
+ protected virtual object GetDataSourceObject ()
+ {
+ if (DataSourceID != "")
+ return (IDataSource) NamingContainer.FindControl (DataSourceID);
+
+ return DataSource;
+ }
+
+ protected virtual IEnumerable GetResolvedDataSource ()
+ {
+ if (DataSource != null && DataSourceID != "")
+ throw new HttpException ();
+
+ IDataSource ds = this.GetDataSourceObject () as IDataSource;
+ if (ds != null && DataSourceID != "")
+ return ds.GetView (DataMember).Select ();
+ else if (DataSource != null)
+ return DataSourceHelper.GetResolvedDataSource (DataSource, DataMember);
+ else
+ return null;
+ }
+
+ protected void OnDataSourceChanged (object sender, EventArgs e)
+ {
+ RequiresDataBinding = true;
+ }
+
+ public virtual string DataSourceID {
+ get {
+ object o = ViewState ["DataSourceID"];
+ if (o != null)
+ return (string)o;
+
+ return String.Empty;
+ }
+ set {
+ if (inited)
+ RequiresDataBinding = true;
+
+ ViewState ["DataSourceID"] = value;
+ }
+ }
+
+ bool requiresDataBinding;
+ protected bool RequiresDataBinding {
+ get { return requiresDataBinding; }
+ set { requiresDataBinding = value; }
+ }
+
+ protected bool inited;
+
+ #else
+ internal IEnumerable GetResolvedDataSource ()
+ {
+ if (DataSource != null)
+ return DataSourceHelper.GetResolvedDataSource (DataSource, DataMember);
+ else
+ return null;
+ }
+ #endif\r
}\r
}\r
projects / mono.git / blobdiff