// System.Web.UI.WebControls.CheckBoxList.cs
//
// Authors:
-// Gaurav Vaish (gvaish@iitk.ac.in)
-// Andreas Nahr (ClassDevelopment@A-SoftTech.com)
+// Jackson Harper (jackson@ximian.com)
//
-// (C) Gaurav Vaish (2002)
-// (C) 2003 Andreas Nahr
-//
-
+// (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
// 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.Collections.Specialized;\r
-using System.ComponentModel;\r
-using System.Globalization;\r
-using System.Web;\r
-using System.Web.UI;\r
-\r
-namespace System.Web.UI.WebControls\r
-{\r
- public class CheckBoxList: ListControl, IRepeatInfoUser, INamingContainer, IPostBackDataHandler\r
- {\r
- CheckBox checkBoxRepeater;\r
- bool isChangeNotified;\r
-\r
- public CheckBoxList()\r
- {\r
- checkBoxRepeater = new CheckBox();\r
- checkBoxRepeater.ID = "0";\r
- checkBoxRepeater.EnableViewState = false;\r
- Controls.Add (checkBoxRepeater);\r
- isChangeNotified = false;\r
- }\r
-\r
-#if !NET_2_0\r
- [Bindable (true)]\r
+
+using System.Globalization;
+using System.Collections.Specialized;
+using System.ComponentModel;
+using System.Security.Permissions;
+
+namespace System.Web.UI.WebControls {
+
+ // CAS
+ [AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
+ [AspNetHostingPermission (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
+ public class CheckBoxList : ListControl, IRepeatInfoUser,
+ INamingContainer, IPostBackDataHandler {
+
+ private CheckBox check_box;
+
+ public CheckBoxList ()
+ {
+ check_box = new CheckBox ();
+ Controls.Add (check_box);
+ }
+
+#if ONLY_1_1
+ [Bindable(true)]
+#endif
+ [DefaultValue(-1)]
+ [WebSysDescription ("")]
+ [WebCategory ("Layout")]
+ public virtual int CellPadding {
+ get { return TableStyle.CellPadding; }
+ set { TableStyle.CellPadding = value; }
+ }
+
+#if ONLY_1_1
+ [Bindable(true)]
+#endif
+ [DefaultValue(-1)]
+ [WebSysDescription ("")]
+ [WebCategory ("Layout")]
+ public virtual int CellSpacing {
+ get { return TableStyle.CellSpacing; }
+ set { TableStyle.CellSpacing = value; }
+ }
+
+#if ONLY_1_1
+ [Bindable(true)]
+#endif
+ [DefaultValue(0)]
+ [WebSysDescription ("")]
+ [WebCategory ("Layout")]
+ public virtual int RepeatColumns {
+ get { return ViewState.GetInt ("RepeatColumns", 0); }
+ set {
+ if (value < 0)
+ throw new ArgumentOutOfRangeException ("value");
+ ViewState ["RepeatColumns"] = value;
+ }
+ }
+
+#if ONLY_1_1
+ [Bindable(true)]
+#endif
+ [DefaultValue(RepeatDirection.Vertical)]
+ [WebSysDescription ("")]
+ [WebCategory ("Layout")]
+ public virtual RepeatDirection RepeatDirection {
+ get {
+ return (RepeatDirection) ViewState.GetInt ("RepeatDirection",
+ (int) RepeatDirection.Vertical);
+ }
+ set {
+ if (value < RepeatDirection.Horizontal ||
+ value > RepeatDirection.Vertical)
+ throw new ArgumentOutOfRangeException ("value");
+ ViewState ["RepeatDirection"] = value;
+ }
+ }
+
+#if ONLY_1_1
+ [Bindable(true)]
+#endif
+ [DefaultValue(RepeatLayout.Table)]
+ [WebSysDescription ("")]
+ [WebCategory ("Layout")]
+ public virtual RepeatLayout RepeatLayout {
+ get {
+ return (RepeatLayout) ViewState.GetInt ("RepeatLayout",
+ (int) RepeatLayout.Table);
+ }
+ set {
+ if (value < RepeatLayout.Table ||
+ value > RepeatLayout.Flow)
+ throw new ArgumentOutOfRangeException ("value");
+ ViewState ["RepeatLayout"] = value;
+ }
+ }
+
+#if ONLY_1_1
+ [Bindable(true)]
+#endif
+ [DefaultValue(TextAlign.Right)]
+ [WebSysDescription ("")]
+ [WebCategory ("Appearance")]
+ public virtual TextAlign TextAlign {
+ get {
+ return (TextAlign) ViewState.GetInt ("TextAlign",
+ (int) TextAlign.Right);
+ }
+ set {
+ if (value < TextAlign.Left || value > TextAlign.Right)
+ throw new ArgumentOutOfRangeException ("value");
+ ViewState ["TextAlign"] = value;
+ }
+ }
+
+ private TableStyle TableStyle {
+ get { return (TableStyle) ControlStyle; }
+ }
+
+ protected override Style CreateControlStyle ()
+ {
+ return new TableStyle (ViewState);
+ }
+
+ protected override Control FindControl (string id, int pathOffset)
+ {
+ // Always, or in just all my tests?
+ return this;
+ }
+
+#if NET_2_0
+ protected internal
+#else
+ protected
+#endif
+ override void OnPreRender (EventArgs e)
+ {
+ base.OnPreRender (e);
+
+ // Register all of the checked controls so we can
+ // find out when they are unchecked.
+ for (int i = 0; i < Items.Count; i++) {
+ if (Items [i].Selected) {
+ check_box.ID = i.ToString (CultureInfo.InvariantCulture);
+ Page.RegisterRequiresPostBack (check_box);
+ }
+ }
+ }
+
+#if NET_2_0
+ protected internal
+#else
+ protected
+#endif
+ override void Render (HtmlTextWriter writer)
+ {
+#if NET_2_0
+ if (Items.Count == 0)
+ return;
+#endif
+ RepeatInfo ri = new RepeatInfo ();
+ ri.RepeatColumns = RepeatColumns;
+ ri.RepeatDirection = RepeatDirection;
+ ri.RepeatLayout = RepeatLayout;
+
+ short ti = 0;
+ if (TabIndex != 0) {
+ check_box.TabIndex = TabIndex;
+ ti = TabIndex;
+ TabIndex = 0;
+ }
+
+ ri.RenderRepeater (writer, this, TableStyle, this);
+
+ if (ti != 0)
+ TabIndex = ti;
+ }
+
+#if NET_2_0
+ protected virtual
+#endif
+ bool LoadPostData (string postDataKey, NameValueCollection postCollection)
+ {
+ int checkbox = -1;
+
+ try {
+ string id = postDataKey.Substring (ClientID.Length + 1);
+ if (Char.IsDigit (id [0]))
+ checkbox = Int32.Parse (id, CultureInfo.InvariantCulture);
+ } catch {
+ return false;
+ }
+
+ if (checkbox == -1)
+ return false;
+
+ string val = postCollection [postDataKey];
+ bool ischecked = val == "on";
+ ListItem item = Items [checkbox];
+
+ if (item.Selected != ischecked) {
+ item.Selected = ischecked;
+ return true;
+ }
+
+ return false;
+ }
+
+#if NET_2_0
+ protected virtual
+#endif
+ void RaisePostDataChangedEvent ()
+ {
+#if NET_2_0
+ if (CausesValidation)
+ Page.Validate (ValidationGroup);
+#endif
+ OnSelectedIndexChanged (EventArgs.Empty);
+ }
+
+ bool IPostBackDataHandler.LoadPostData (string postDataKey,
+ NameValueCollection postCollection)
+ {
+ return LoadPostData (postDataKey, postCollection);
+ }
+
+ void IPostBackDataHandler.RaisePostDataChangedEvent ()
+ {
+ RaisePostDataChangedEvent ();
+ }
+
+#if NET_2_0
+ protected virtual
#endif
- [DefaultValue (-1), WebCategory ("Layout")]
- [WebSysDescription ("The border left within a CheckBox.")]\r
- public virtual int CellPadding\r
- {\r
- get\r
- {\r
- return (ControlStyleCreated ? ((TableStyle)ControlStyle).CellPadding : -1);\r
- }\r
- set\r
- {\r
- ((TableStyle)ControlStyle).CellPadding = value;\r
- }\r
- }\r
-
-#if !NET_2_0\r
- [Bindable (true)]\r
-#endif\r
- [DefaultValue (-1), WebCategory ("Layout")]
- [WebSysDescription ("The border left between CheckBoxes.")]\r
- public virtual int CellSpacing\r
- {\r
- get\r
- {\r
- return (ControlStyleCreated ? ((TableStyle)ControlStyle).CellSpacing : -1);\r
- }\r
- set\r
- {\r
- ((TableStyle)ControlStyle).CellSpacing = value;\r
- }\r
- }\r
-
-#if !NET_2_0\r
- [Bindable (true)]\r
-#endif\r
- [DefaultValue (0), WebCategory ("Layout")]
- [WebSysDescription ("The number of columns that should be used to display the CheckBoxes.")]\r
- public virtual int RepeatColumns\r
- {\r
- get\r
- {\r
- object o = ViewState["RepeatColumns"];\r
- if(o!=null)\r
- return (int)o;\r
- return 0;\r
- }\r
- set\r
- {\r
- if(value < 0)\r
- throw new ArgumentOutOfRangeException();\r
- ViewState["RepeatColumns"] = value;\r
- }\r
- }\r
-
-#if !NET_2_0\r
- [Bindable (true)]\r
-#endif\r
- [DefaultValue (typeof (RepeatDirection), "Vertical"), WebCategory ("Layout")]
- [WebSysDescription ("The direction that is followed when doing the layout.")]\r
- public virtual RepeatDirection RepeatDirection\r
- {\r
- get\r
- {\r
- object o = ViewState["RepeatDirection"];\r
- if(o!=null)\r
- return (RepeatDirection)o;\r
- return RepeatDirection.Vertical;\r
- }\r
- set\r
- {\r
- if(!System.Enum.IsDefined(typeof(RepeatDirection),value))\r
- throw new ArgumentException();\r
- ViewState["RepeatDirection"] = value;\r
- }\r
- }\r
-
-#if !NET_2_0\r
- [Bindable (true)]\r
-#endif\r
- [DefaultValue (typeof (RepeatLayout), "Table"), WebCategory ("Layout")]
- [WebSysDescription ("The method used to create the layout.")]\r
- public virtual RepeatLayout RepeatLayout\r
- {\r
- get\r
- {\r
- object o = ViewState["RepeatLayout"];\r
- if(o!=null)\r
- return (RepeatLayout)o;\r
- return RepeatLayout.Table;\r
- }\r
- set\r
- {\r
- if(!System.Enum.IsDefined(typeof(RepeatLayout), value))\r
- throw new ArgumentException();\r
- ViewState["RepeatLayout"] = value;\r
- }\r
- }\r
-
-#if !NET_2_0\r
- [Bindable (true)]\r
-#endif\r
- [DefaultValue (typeof (TextAlign), "Right"), WebCategory ("Appearance")]
- [WebSysDescription ("The alignment of the CheckBox text.")]\r
- public virtual TextAlign TextAlign\r
- {\r
- get\r
- {\r
- object o = ViewState["TextAlign"];\r
- if(o!=null)\r
- return (TextAlign)o;\r
- return TextAlign.Right;\r
- }\r
- set\r
- {\r
- if(!Enum.IsDefined(typeof(TextAlign), value))\r
- throw new ArgumentException();\r
- ViewState["TextAlign"] = value;\r
- }\r
- }\r
-\r
- protected override Style CreateControlStyle()\r
- {\r
- return new TableStyle(ViewState);\r
- }\r
-\r
- protected override Control FindControl(string id, int pathOffset)\r
- {\r
- return this;\r
- }\r
-\r
- protected override void OnPreRender(EventArgs e)\r
- {\r
- checkBoxRepeater.AutoPostBack = AutoPostBack;\r
- if(Page!=null)\r
- {\r
- for(int i=0; i < Items.Count; i++)\r
- {\r
- if(Items[i].Selected)\r
- {\r
- checkBoxRepeater.ID = i.ToString(NumberFormatInfo.InvariantInfo);\r
- Page.RegisterRequiresPostBack(checkBoxRepeater);\r
- }\r
- }\r
- }\r
- }\r
-\r
- protected override void Render(HtmlTextWriter writer)\r
- {\r
- RepeatInfo ri = new RepeatInfo();\r
- checkBoxRepeater.TabIndex = TabIndex;\r
- bool dirtyFlag = false;\r
- short tTabIndex = TabIndex;\r
- Style s = (ControlStyleCreated ? ControlStyle : null);\r
- if(TabIndex != 0)\r
- {\r
- if(!ViewState.IsItemDirty("TabIndex"))\r
- dirtyFlag = true;\r
- TabIndex = 0;\r
- }\r
- ri.RepeatColumns = RepeatColumns;\r
- ri.RepeatLayout = RepeatLayout;\r
- ri.RepeatDirection = RepeatDirection;\r
- ri.RenderRepeater(writer, this, s, this);\r
- if(tTabIndex != 0)\r
- {\r
- TabIndex = tTabIndex;\r
- }\r
- if(dirtyFlag)\r
- {\r
- ViewState.SetItemDirty("TabIndex", false);\r
- }\r
- }\r
-
- bool IPostBackDataHandler.LoadPostData(string postDataKey, NameValueCollection postCollection)
+ bool HasFooter
{
- if (!Enabled)
+ get {
return false;
+ }
+ }
- int index = Int32.Parse(postDataKey.Substring(UniqueID.Length + 1));\r
- if(index >= 0 && index < Items.Count)
- {
- string v = postCollection [postDataKey];
- bool exists = (v != null);
- if(Items[index].Selected != exists)\r
- {\r
- Items[index].Selected = exists;\r
- if(!isChangeNotified)\r
- {\r
- isChangeNotified = true;\r
- return true;\r
- }\r
- }\r
- }\r
- return false;\r
- }\r
-\r
- void IPostBackDataHandler.RaisePostDataChangedEvent()\r
- {\r
- OnSelectedIndexChanged(EventArgs.Empty);\r
- }\r
-\r
- bool IRepeatInfoUser.HasFooter\r
- {\r
- get\r
- {\r
- return false;\r
- }\r
- }\r
-\r
- bool IRepeatInfoUser.HasHeader\r
- {\r
- get\r
- {\r
- return false;\r
- }\r
- }\r
-\r
- bool IRepeatInfoUser.HasSeparators\r
- {\r
- get\r
- {\r
- return false;\r
- }\r
- }\r
-\r
- int IRepeatInfoUser.RepeatedItemCount\r
- {\r
- get\r
- {\r
- return Items.Count;\r
- }\r
- }\r
-\r
- Style IRepeatInfoUser.GetItemStyle(ListItemType itemType, int repeatIndex)\r
- {\r
- return null;\r
- }\r
-\r
- void IRepeatInfoUser.RenderItem(ListItemType itemType, int repeatIndex, RepeatInfo repeatInfo, HtmlTextWriter writer)\r
- {\r
- checkBoxRepeater.ID = repeatIndex.ToString(NumberFormatInfo.InvariantInfo);\r
- checkBoxRepeater.Text = Items[repeatIndex].Text;\r
- checkBoxRepeater.TextAlign = TextAlign;\r
- checkBoxRepeater.Checked = Items[repeatIndex].Selected;\r
- checkBoxRepeater.Enabled = Enabled;\r
- checkBoxRepeater.RenderControl(writer);\r
- }\r
- }\r
-}\r
+ bool IRepeatInfoUser.HasFooter {
+ get { return HasFooter; }
+ }
+
+#if NET_2_0
+ protected virtual
+#endif
+ bool HasHeader
+ {
+ get {
+ return false;
+ }
+ }
+
+ bool IRepeatInfoUser.HasHeader {
+ get { return HasHeader; }
+ }
+
+
+#if NET_2_0
+ protected virtual
+#endif
+ bool HasSeparators
+ {
+ get {
+ return false;
+ }
+ }
+
+ bool IRepeatInfoUser.HasSeparators {
+ get { return HasSeparators; }
+ }
+
+#if NET_2_0
+ protected virtual
+#endif
+ int RepeatedItemCount
+ {
+ get {
+ return Items.Count;
+ }
+ }
+
+ int IRepeatInfoUser.RepeatedItemCount {
+ get { return RepeatedItemCount; }
+ }
+
+#if NET_2_0
+ protected virtual
+#endif
+ Style GetItemStyle (ListItemType itemType,
+ int repeatIndex)
+ {
+ return null;
+ }
+
+ Style IRepeatInfoUser.GetItemStyle (ListItemType itemType,
+ int repeatIndex)
+ {
+ return GetItemStyle (itemType, repeatIndex);
+ }
+
+#if NET_2_0
+ protected virtual
+#endif
+ void RenderItem (ListItemType itemType,
+ int repeatIndex,
+ RepeatInfo repeatInfo,
+ HtmlTextWriter writer)
+ {
+ ListItem item = Items [repeatIndex];
+
+ check_box.ID = repeatIndex.ToString (CultureInfo.InvariantCulture);
+ check_box.Text = item.Text;
+ check_box.AutoPostBack = AutoPostBack;
+ check_box.Checked = item.Selected;
+ check_box.TextAlign = TextAlign;
+ check_box.Enabled = Enabled;
+#if NET_2_0
+ check_box.ValidationGroup = ValidationGroup;
+ check_box.CausesValidation = CausesValidation;
+#endif
+ check_box.RenderControl (writer);
+ }
+
+ void IRepeatInfoUser.RenderItem (ListItemType itemType,
+ int repeatIndex, RepeatInfo repeatInfo,
+ HtmlTextWriter writer)
+ {
+ RenderItem (itemType, repeatIndex, repeatInfo, writer);
+ }
+ }
+}
projects / mono.git / blobdiff