2 // System.Web.UI.WebControls.DataList.cs
5 // Sebastien Pouliot <sebastien@ximian.com>
7 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
9 // Permission is hereby granted, free of charge, to any person obtaining
10 // a copy of this software and associated documentation files (the
11 // "Software"), to deal in the Software without restriction, including
12 // without limitation the rights to use, copy, modify, merge, publish,
13 // distribute, sublicense, and/or sell copies of the Software, and to
14 // permit persons to whom the Software is furnished to do so, subject to
15 // the following conditions:
17 // The above copyright notice and this permission notice shall be
18 // included in all copies or substantial portions of the Software.
20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
29 using System.Collections;
30 using System.ComponentModel;
31 using System.Globalization;
32 using System.Security.Permissions;
33 using System.Web.Util;
35 namespace System.Web.UI.WebControls {
38 [AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
39 [AspNetHostingPermission (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
41 [Designer ("System.Web.UI.Design.WebControls.DataListDesigner, " + Consts.AssemblySystem_Design, "System.ComponentModel.Design.IDesigner")]
43 [ControlValueProperty ("SelectedValue")]
44 [Editor ("System.Web.UI.Design.WebControls.DataListComponentEditor, " + Consts.AssemblySystem_Design, "System.ComponentModel.ComponentEditor, " + Consts.AssemblySystem)]
46 [Editor ("System.Web.UI.Design.WebControls.DataListComponentEditor, " + Consts.AssemblySystem_Design, typeof (System.ComponentModel.ComponentEditor))]
48 public class DataList : BaseDataList, INamingContainer, IRepeatInfoUser {
50 public const string CancelCommandName = "Cancel";
51 public const string DeleteCommandName = "Delete";
52 public const string EditCommandName = "Edit";
53 public const string SelectCommandName = "Select";
54 public const string UpdateCommandName = "Update";
57 private static readonly object cancelCommandEvent = new object ();
58 private static readonly object deleteCommandEvent = new object ();
59 private static readonly object editCommandEvent = new object ();
60 private static readonly object itemCommandEvent = new object ();
61 private static readonly object itemCreatedEvent = new object ();
62 private static readonly object itemDataBoundEvent = new object ();
63 private static readonly object updateCommandEvent = new object ();
65 private TableItemStyle alternatingItemStyle;
66 private TableItemStyle editItemStyle;
67 private TableItemStyle footerStyle;
68 private TableItemStyle headerStyle;
69 private TableItemStyle itemStyle;
70 private TableItemStyle selectedItemStyle;
71 private TableItemStyle separatorStyle;
73 private ITemplate alternatingItemTemplate;
74 private ITemplate editItemTemplate;
75 private ITemplate footerTemplate;
76 private ITemplate headerTemplate;
77 private ITemplate itemTemplate;
78 private ITemplate selectedItemTemplate;
79 private ITemplate separatorTemplate;
81 private DataListItemCollection items;
82 private ArrayList list;
86 private int editIndex;
87 private int selectedIndex;
103 [DefaultValue (null)]
104 [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
105 [NotifyParentProperty (true)]
106 [PersistenceMode (PersistenceMode.InnerProperty)]
107 [WebSysDescription ("")]
108 [WebCategory ("Style")]
109 public virtual TableItemStyle AlternatingItemStyle {
111 if (alternatingItemStyle == null) {
112 alternatingItemStyle = new TableItemStyle ();
113 if (IsTrackingViewState) {
114 alternatingItemStyle.TrackViewState ();
117 return alternatingItemStyle;
122 [DefaultValue (null)]
123 [TemplateContainer (typeof (DataListItem))]
124 [PersistenceMode (PersistenceMode.InnerProperty)]
125 [WebSysDescription ("")]
126 [WebCategory ("Style")]
127 public virtual ITemplate AlternatingItemTemplate {
128 get { return alternatingItemTemplate; }
129 set { alternatingItemTemplate = value; }
133 [WebSysDescription ("")]
134 [WebCategory ("Misc")]
135 public virtual int EditItemIndex {
137 object o = ViewState ["EditItemIndex"];
138 return (o == null) ? -1 : (int) o;
142 throw new ArgumentOutOfRangeException ("EditItemIndex", "< -1");
143 ViewState ["EditItemIndex"] = value;
147 [DefaultValue (null)]
148 [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
149 [NotifyParentProperty (true)]
150 [PersistenceMode (PersistenceMode.InnerProperty)]
151 [WebSysDescription ("")]
152 [WebCategory ("Style")]
153 public virtual TableItemStyle EditItemStyle {
155 if (editItemStyle == null) {
156 editItemStyle = new TableItemStyle ();
157 if (IsTrackingViewState) {
158 editItemStyle.TrackViewState ();
161 return editItemStyle;
166 [DefaultValue (null)]
167 [TemplateContainer (typeof (DataListItem))]
168 [PersistenceMode (PersistenceMode.InnerProperty)]
169 [WebSysDescription ("")]
170 [WebCategory ("Style")]
171 public virtual ITemplate EditItemTemplate {
172 get { return editItemTemplate; }
173 set { editItemTemplate = value; }
176 [DefaultValue (false)]
177 [WebSysDescription ("")]
178 [WebCategory ("Misc")]
179 public virtual bool ExtractTemplateRows {
181 object o = ViewState ["ExtractTemplateRows"];
182 return (o == null) ? false : (bool) o;
184 set { ViewState ["ExtractTemplateRows"] = value; }
187 [DefaultValue (null)]
188 [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
189 [NotifyParentProperty (true)]
190 [PersistenceMode (PersistenceMode.InnerProperty)]
191 [WebSysDescription ("")]
192 [WebCategory ("Style")]
193 public virtual TableItemStyle FooterStyle {
195 if (footerStyle == null) {
196 footerStyle = new TableItemStyle ();
197 if (IsTrackingViewState) {
198 footerStyle.TrackViewState ();
206 [DefaultValue (null)]
207 [TemplateContainer (typeof (DataListItem))]
208 [PersistenceMode (PersistenceMode.InnerProperty)]
209 [WebSysDescription ("")]
210 [WebCategory ("Style")]
211 public virtual ITemplate FooterTemplate {
212 get { return footerTemplate; }
213 set { footerTemplate = value; }
216 // yes! they do NOT match in fx1.1
217 [DefaultValue (GridLines.None)]
218 public override GridLines GridLines {
220 if (!ControlStyleCreated) {
222 return GridLines.None;
224 return GridLines.Both;
227 return TableStyle.GridLines;
229 set { TableStyle.GridLines = value; }
232 [DefaultValue (null)]
233 [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
234 [NotifyParentProperty (true)]
235 [PersistenceMode (PersistenceMode.InnerProperty)]
236 [WebSysDescription ("")]
237 [WebCategory ("Style")]
238 public virtual TableItemStyle HeaderStyle {
240 if (headerStyle == null) {
241 headerStyle = new TableItemStyle ();
242 if (IsTrackingViewState) {
243 headerStyle.TrackViewState ();
251 [DefaultValue (null)]
252 [TemplateContainer (typeof (DataListItem))]
253 [PersistenceMode (PersistenceMode.InnerProperty)]
254 [WebSysDescription ("")]
255 [WebCategory ("Style")]
256 public virtual ITemplate HeaderTemplate {
257 get { return headerTemplate; }
258 set { headerTemplate = value; }
262 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
263 [WebSysDescription ("")]
264 [WebCategory ("Style")]
265 public virtual DataListItemCollection Items {
268 items = new DataListItemCollection (ItemList);
273 [DefaultValue (null)]
274 [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
275 [NotifyParentProperty (true)]
276 [PersistenceMode (PersistenceMode.InnerProperty)]
277 [WebSysDescription ("")]
278 [WebCategory ("Style")]
279 public virtual TableItemStyle ItemStyle {
281 if (itemStyle == null) {
282 itemStyle = new TableItemStyle ();
283 if (IsTrackingViewState) {
284 itemStyle.TrackViewState ();
292 [DefaultValue (null)]
293 [TemplateContainer (typeof (DataListItem))]
294 [PersistenceMode (PersistenceMode.InnerProperty)]
295 [WebSysDescription ("")]
296 [WebCategory ("Style")]
297 public virtual ITemplate ItemTemplate {
298 get { return itemTemplate; }
299 set { itemTemplate = value; }
306 [WebSysDescription ("")]
307 [WebCategory ("Layout")]
308 public virtual int RepeatColumns {
310 object o = ViewState ["RepeatColumns"];
311 return (o == null) ? 0 : (int) o;
315 throw new ArgumentOutOfRangeException ("value", "RepeatColumns value has to be 0 for 'not set' or > 0.");
317 ViewState ["RepeatColumns"] = value;
324 [DefaultValue (RepeatDirection.Vertical)]
325 [WebSysDescription ("")]
326 [WebCategory ("Layout")]
327 public virtual RepeatDirection RepeatDirection {
329 object o = ViewState ["RepeatDirection"];
330 return (o == null) ? RepeatDirection.Vertical : (RepeatDirection) o;
332 set { ViewState ["RepeatDirection"] = value; }
338 [DefaultValue (RepeatLayout.Table)]
339 [WebSysDescription ("")]
340 [WebCategory ("Layout")]
341 public virtual RepeatLayout RepeatLayout {
343 object o = ViewState ["RepeatLayout"];
344 return (o == null) ? RepeatLayout.Table : (RepeatLayout) o;
346 set { ViewState ["RepeatLayout"] = value; }
351 [WebSysDescription ("")]
352 [WebCategory ("Layout")]
353 public virtual int SelectedIndex {
355 object o = ViewState ["SelectedIndex"];
356 return (o == null) ? -1 : (int) o;
360 throw new ArgumentOutOfRangeException ("SelectedIndex", "< -1");
361 ViewState ["SelectedIndex"] = value;
366 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
367 [WebSysDescription ("")]
368 [WebCategory ("Layout")]
369 public virtual DataListItem SelectedItem {
371 if (SelectedIndex < 0)
373 if (SelectedIndex >= Items.Count)
374 throw new ArgumentOutOfRangeException ("SelectedItem", ">= Items.Count");
375 return items [SelectedIndex];
379 [DefaultValue (null)]
380 [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
381 [NotifyParentProperty (true)]
382 [PersistenceMode (PersistenceMode.InnerProperty)]
383 [WebSysDescription ("")]
384 [WebCategory ("Style")]
385 public virtual TableItemStyle SelectedItemStyle {
387 if (selectedItemStyle == null) {
388 selectedItemStyle = new TableItemStyle ();
389 if (IsTrackingViewState) {
390 selectedItemStyle.TrackViewState ();
393 return selectedItemStyle;
398 [DefaultValue (null)]
399 [TemplateContainer (typeof (DataListItem))]
400 [PersistenceMode (PersistenceMode.InnerProperty)]
401 [WebSysDescription ("")]
402 [WebCategory ("Style")]
403 public virtual ITemplate SelectedItemTemplate {
404 get { return selectedItemTemplate; }
405 set { selectedItemTemplate = value; }
408 [DefaultValue (null)]
409 [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
410 [NotifyParentProperty (true)]
411 [PersistenceMode (PersistenceMode.InnerProperty)]
412 [WebSysDescription ("")]
413 [WebCategory ("Style")]
414 public virtual TableItemStyle SeparatorStyle {
416 if (separatorStyle == null) {
417 separatorStyle = new TableItemStyle ();
418 if (IsTrackingViewState) {
419 separatorStyle.TrackViewState ();
422 return separatorStyle;
427 [DefaultValue (null)]
428 [TemplateContainer (typeof (DataListItem))]
429 [PersistenceMode (PersistenceMode.InnerProperty)]
430 [WebSysDescription ("")]
431 [WebCategory ("Style")]
432 public virtual ITemplate SeparatorTemplate {
433 get { return separatorTemplate; }
434 set { separatorTemplate = value; }
440 [DefaultValue (true)]
441 [WebSysDescription ("")]
442 [WebCategory ("Appearance")]
443 public virtual bool ShowFooter {
445 object o = ViewState ["ShowFooter"];
446 return (o == null) ? true : (bool) o;
448 set { ViewState ["ShowFooter"] = value; }
454 [DefaultValue (true)]
455 [WebSysDescription ("")]
456 [WebCategory ("Appearance")]
457 public virtual bool ShowHeader {
459 object o = ViewState ["ShowHeader"];
460 return (o == null) ? true : (bool) o;
462 set { ViewState ["ShowHeader"] = value; }
466 [MonoTODO ("incomplete")]
468 public object SelectedValue {
470 if (DataKeyField.Length == 0)
471 throw new InvalidOperationException (Locale.GetText ("No DataKeyField present."));
473 if ((SelectedIndex >= 0) && (selectedIndex < DataKeys.Count)) {
474 return DataKeys [selectedIndex];
481 protected override HtmlTextWriterTag TagKey {
482 get { return HtmlTextWriterTag.Table; }
486 private TableStyle TableStyle {
487 // this will throw an InvalidCasException just like we need
488 get { return (TableStyle) ControlStyle; }
491 private ArrayList ItemList {
494 list = new ArrayList ();
499 void DoItem (int i, ListItemType t, object d, bool databind)
501 DataListItem itm = CreateItem (i, t);
504 DataListItemEventArgs e = new DataListItemEventArgs (itm);
505 InitializeItem (itm);
508 // It is very important that this be called *before* data
509 // binding. Otherwise, we won't save our state in the viewstate.
524 private void DoItemInLoop (int i, object d, bool databind, ListItemType type)
526 DoItem (i, type, d, databind);
527 if (SeparatorTemplate != null)
528 DoItem (i, ListItemType.Separator, null, databind);
532 protected override void CreateControlHierarchy (bool useDataSource)
536 IEnumerable ds = null;
537 ArrayList keys = null;
541 ds = DataSourceResolver.ResolveDataSource (DataSource, DataMember);
542 keys = DataKeysArray;
545 idx = (int) ViewState ["Items"];
548 if ((ds == null) && (idx == 0))
551 if (headerTemplate != null)
552 DoItem (-1, ListItemType.Header, null, useDataSource);
555 int selected_index = SelectedIndex;
556 int edit_item_index = EditItemIndex;
559 string key = DataKeyField;
560 foreach (object o in ds) {
561 if (useDataSource && key != "")
562 keys.Add (DataBinder.GetPropertyValue (o, key));
563 type = ListItemType.Item;
564 if (idx == edit_item_index)
565 type = ListItemType.EditItem;
566 else if (idx == selected_index)
567 type = ListItemType.SelectedItem;
568 else if (idx % 2 != 0)
569 type = ListItemType.AlternatingItem;
571 DoItemInLoop (idx, o, useDataSource, type);
575 for (int i = 0; i < idx; i++) {
576 type = ListItemType.Item;
577 if (idx == edit_item_index)
578 type = ListItemType.EditItem;
579 else if (idx == selected_index)
580 type = ListItemType.SelectedItem;
581 else if (idx % 2 != 0)
582 type = ListItemType.AlternatingItem;
584 DoItemInLoop (i, null, useDataSource, type);
588 if (footerTemplate != null)
589 DoItem (-1, ListItemType.Footer, null, useDataSource);
591 ViewState ["Items"] = idx;
594 protected override Style CreateControlStyle ()
597 // not kept (directly) in the DataList ViewState
598 return new TableStyle ();
600 TableStyle tableStyle = new TableStyle (ViewState);
601 tableStyle.CellSpacing = 0;
606 protected virtual DataListItem CreateItem (int itemIndex, ListItemType itemType)
608 return new DataListItem (itemIndex, itemType);
611 protected virtual void InitializeItem (DataListItem item)
615 switch (item.ItemType) {
616 case ListItemType.Header:
619 case ListItemType.Footer:
622 case ListItemType.Separator:
623 t = SeparatorTemplate;
625 case ListItemType.Item:
626 case ListItemType.AlternatingItem:
627 case ListItemType.SelectedItem:
628 case ListItemType.EditItem:
629 int index = item.ItemIndex;
630 if ((SelectedIndex == index) && (SelectedItemTemplate != null))
631 t = SelectedItemTemplate;
632 else if ((EditItemIndex == index) && (EditItemTemplate != null))
633 t = EditItemTemplate;
634 else if (((index & 1) == 0) || (alternatingItemTemplate == null))
637 t = alternatingItemTemplate;
642 t.InstantiateIn (item);
645 protected override void LoadViewState (object savedState)
647 object[] state = (object[]) savedState;
648 base.LoadViewState (state [0]);
649 if (state [1] != null)
650 ItemStyle.LoadViewState (state [1]);
651 if (state [2] != null)
652 SelectedItemStyle.LoadViewState (state [2]);
653 if (state [3] != null)
654 AlternatingItemStyle.LoadViewState (state [3]);
655 if (state [4] != null)
656 EditItemStyle.LoadViewState (state [4]);
657 if (state [5] != null)
658 SeparatorStyle.LoadViewState (state [5]);
659 if (state [6] != null)
660 HeaderStyle.LoadViewState (state [6]);
661 if (state [7] != null)
662 FooterStyle.LoadViewState (state [7]);
665 protected override bool OnBubbleEvent (object source, EventArgs e)
667 DataListCommandEventArgs dlca = (e as DataListCommandEventArgs);
671 string cn = dlca.CommandName;
672 CultureInfo inv = CultureInfo.InvariantCulture;
674 OnItemCommand (dlca);
675 if (String.Compare (cn, CancelCommandName, true, inv) == 0) {
676 OnCancelCommand (dlca);
678 } else if (String.Compare (cn, DeleteCommandName, true, inv) == 0) {
679 OnDeleteCommand (dlca);
681 } else if (String.Compare (cn, EditCommandName, true, inv) == 0) {
682 OnEditCommand (dlca);
684 } else if (String.Compare (cn, SelectCommandName, true, inv) == 0) {
685 OnSelectedIndexChanged (dlca);
687 } else if (String.Compare (cn, UpdateCommandName, true, inv) == 0) {
688 OnUpdateCommand (dlca);
694 protected virtual void OnCancelCommand (DataListCommandEventArgs e)
696 DataListCommandEventHandler cancelCommand = (DataListCommandEventHandler) Events [cancelCommandEvent];
697 if (cancelCommand != null)
698 cancelCommand (this, e);
701 protected virtual void OnDeleteCommand (DataListCommandEventArgs e)
703 DataListCommandEventHandler deleteCommand = (DataListCommandEventHandler) Events [deleteCommandEvent];
704 if (deleteCommand != null)
705 deleteCommand (this, e);
708 protected virtual void OnEditCommand (DataListCommandEventArgs e)
710 DataListCommandEventHandler editCommand = (DataListCommandEventHandler) Events [editCommandEvent];
711 if (editCommand != null)
712 editCommand (this, e);
715 protected internal override void OnInit (EventArgs e)
717 // EditItemIndex and SelectedIndex now use the Control State (i.e not the View State)
718 Page.RegisterRequiresControlState (this);
722 protected virtual void OnItemCommand (DataListCommandEventArgs e)
724 DataListCommandEventHandler itemCommand = (DataListCommandEventHandler) Events [itemCommandEvent];
725 if (itemCommand != null)
726 itemCommand (this, e);
729 protected virtual void OnItemCreated (DataListItemEventArgs e)
731 DataListItemEventHandler itemCreated = (DataListItemEventHandler) Events [itemCreatedEvent];
732 if (itemCreated != null)
733 itemCreated (this, e);
736 protected virtual void OnItemDataBound (DataListItemEventArgs e)
738 DataListItemEventHandler itemDataBound = (DataListItemEventHandler) Events [itemDataBoundEvent];
739 if (itemDataBound != null)
740 itemDataBound (this, e);
743 protected virtual void OnUpdateCommand (DataListCommandEventArgs e)
745 DataListCommandEventHandler updateCommand = (DataListCommandEventHandler) Events [updateCommandEvent];
746 if (updateCommand != null)
747 updateCommand (this, e);
750 void ApplyControlStyle (Control ctrl, Style style)
752 if (style == null || false == ctrl.HasControls ())
755 foreach (Control c in ctrl.Controls) {
757 Table tbl = (Table) c;
758 foreach (TableRow row in tbl.Rows)
759 row.MergeStyle (style);
764 protected override void PrepareControlHierarchy ()
766 if (!HasControls () || Controls.Count == 0)
767 return; // No one called CreateControlHierarchy() with DataSource != null
770 foreach (DataListItem item in Controls) {
771 switch (item.ItemType) {
772 case ListItemType.Item:
773 item.MergeStyle (itemStyle);
774 ApplyControlStyle (item, itemStyle);
776 case ListItemType.AlternatingItem:
778 if (alternatingItemStyle != null) {
779 alt = new TableItemStyle ();
780 alt.CopyFrom (itemStyle);
781 alt.CopyFrom (alternatingItemStyle);
787 item.MergeStyle (alt);
788 ApplyControlStyle (item, alt);
790 case ListItemType.EditItem:
791 if (editItemStyle != null) {
792 item.MergeStyle (editItemStyle);
793 ApplyControlStyle (item, editItemStyle);
795 item.MergeStyle (itemStyle);
796 ApplyControlStyle (item, itemStyle);
799 case ListItemType.Footer:
801 item.Visible = false;
804 if (footerStyle != null) {
805 item.MergeStyle (footerStyle);
806 ApplyControlStyle (item, footerStyle);
809 case ListItemType.Header:
811 item.Visible = false;
814 if (headerStyle != null) {
815 item.MergeStyle (headerStyle);
816 ApplyControlStyle (item, headerStyle);
819 case ListItemType.SelectedItem:
820 if (selectedItemStyle != null) {
821 item.MergeStyle (selectedItemStyle);
822 ApplyControlStyle (item, selectedItemStyle);
824 item.MergeStyle (itemStyle);
825 ApplyControlStyle (item, itemStyle);
828 case ListItemType.Separator:
829 if (separatorStyle != null) {
830 item.MergeStyle(separatorStyle);
831 ApplyControlStyle (item, separatorStyle);
834 item.MergeStyle (itemStyle);
835 ApplyControlStyle (item, itemStyle);
847 override void RenderContents (HtmlTextWriter writer)
849 if (Items.Count == 0)
852 RepeatInfo ri = new RepeatInfo ();
853 ri.RepeatColumns = RepeatColumns;
854 ri.RepeatDirection = RepeatDirection;
855 ri.RepeatLayout = RepeatLayout;
856 ri.CaptionAlign = CaptionAlign;
857 ri.Caption = Caption;
858 ri.UseAccessibleHeader = UseAccessibleHeader;
860 // debugging stuff that I prefer to keep for a while
861 Console.WriteLine ("RepeatColumns {0}", ri.RepeatColumns);
862 Console.WriteLine ("RepeatDirection {0}", ri.RepeatDirection);
863 Console.WriteLine ("RepeatLayout {0}", ri.RepeatLayout);
864 Console.WriteLine ("OuterTableImplied {0}", ExtractTemplateRows);
865 Console.WriteLine ("IRepeatInfoUser.HasFooter {0}", (ShowFooter && (footerTemplate != null)));
866 Console.WriteLine ("IRepeatInfoUser.HasHeader {0}", (ShowHeader && (headerTemplate != null)));
867 Console.WriteLine ("IRepeatInfoUser.HasSeparators {0}", (separatorTemplate != null));
868 Console.WriteLine ("IRepeatInfoUser.RepeatedItemCount {0}", Items.Count);
869 for (int i=0; i < Items.Count; i++) {
870 DataListItem dli = Items [i];
871 Console.WriteLine ("{0}: Index {1}, Type {2}", i, dli.ItemIndex, dli.ItemType);
874 bool extract = ExtractTemplateRows;
876 ri.OuterTableImplied = true;
877 writer.AddAttribute (HtmlTextWriterAttribute.Id, ClientID);
878 if (ControlStyleCreated) {
879 ControlStyle.AddAttributesToRender (writer);
881 writer.RenderBeginTag (HtmlTextWriterTag.Table);
882 ri.RenderRepeater (writer, this, ControlStyle, this);
883 writer.RenderEndTag ();
885 ri.RenderRepeater (writer, this, ControlStyle, this);
889 protected override object SaveViewState ()
892 object[] state = new object [9];
893 // FIXME: what's new in slot #0 ?
894 state[8] = base.SaveViewState ();
896 object[] state = new object [8];
897 state[0] = base.SaveViewState ();
899 if (itemStyle != null)
900 state [1] = itemStyle.SaveViewState ();
901 if (selectedItemStyle != null)
902 state [2] = selectedItemStyle.SaveViewState ();
903 if (alternatingItemStyle != null)
904 state [3] = alternatingItemStyle.SaveViewState ();
905 if (editItemStyle != null)
906 state [4] = editItemStyle.SaveViewState ();
907 if (separatorStyle != null)
908 state [5] = separatorStyle.SaveViewState ();
909 if (headerStyle != null)
910 state [6] = headerStyle.SaveViewState ();
911 if (footerStyle != null)
912 state [7] = footerStyle.SaveViewState ();
916 protected override void TrackViewState ()
918 base.TrackViewState ();
919 if (alternatingItemStyle != null)
920 alternatingItemStyle.TrackViewState ();
921 if (editItemStyle != null)
922 editItemStyle.TrackViewState ();
923 if (footerStyle != null)
924 footerStyle.TrackViewState ();
925 if (headerStyle != null)
926 headerStyle.TrackViewState ();
927 if (itemStyle != null)
928 itemStyle.TrackViewState ();
929 if (selectedItemStyle != null)
930 selectedItemStyle.TrackViewState ();
931 if (separatorStyle != null)
932 separatorStyle.TrackViewState ();
936 [WebSysDescription ("")]
937 [WebCategory ("Action")]
938 public event DataListCommandEventHandler CancelCommand {
939 add { Events.AddHandler (cancelCommandEvent, value); }
940 remove { Events.RemoveHandler (cancelCommandEvent, value); }
943 [WebSysDescription ("")]
944 [WebCategory ("Action")]
945 public event DataListCommandEventHandler DeleteCommand {
946 add { Events.AddHandler (deleteCommandEvent, value); }
947 remove { Events.RemoveHandler (deleteCommandEvent, value); }
950 [WebSysDescription ("")]
951 [WebCategory ("Action")]
952 public event DataListCommandEventHandler EditCommand {
953 add { Events.AddHandler (editCommandEvent, value); }
954 remove { Events.RemoveHandler (editCommandEvent, value); }
957 [WebSysDescription ("")]
958 [WebCategory ("Action")]
959 public event DataListCommandEventHandler ItemCommand {
960 add { Events.AddHandler (itemCommandEvent, value); }
961 remove { Events.RemoveHandler (itemCommandEvent, value); }
964 [WebSysDescription ("")]
965 [WebCategory ("Action")]
966 public event DataListItemEventHandler ItemCreated {
967 add { Events.AddHandler (itemCreatedEvent, value); }
968 remove { Events.RemoveHandler (itemCreatedEvent, value); }
971 [WebSysDescription ("")]
972 [WebCategory ("Action")]
973 public event DataListItemEventHandler ItemDataBound {
974 add { Events.AddHandler (itemDataBoundEvent, value); }
975 remove { Events.RemoveHandler (itemDataBoundEvent, value); }
978 [WebSysDescription ("")]
979 [WebCategory ("Action")]
980 public event DataListCommandEventHandler UpdateCommand {
981 add { Events.AddHandler (updateCommandEvent, value); }
982 remove { Events.RemoveHandler (updateCommandEvent, value); }
986 // IRepeatInfoUser support
988 bool IRepeatInfoUser.HasFooter {
989 get { return (ShowFooter && (footerTemplate != null)); }
992 bool IRepeatInfoUser.HasHeader {
993 get { return (ShowHeader && (headerTemplate != null)); }
996 bool IRepeatInfoUser.HasSeparators {
997 get { return (separatorTemplate != null); }
1000 // don't include header, footer and separators in the count
1001 int IRepeatInfoUser.RepeatedItemCount {
1004 object o = ViewState ["Items"];
1005 idx = (o == null) ? 0 : (int) o;
1011 Style IRepeatInfoUser.GetItemStyle (ListItemType itemType, int repeatIndex)
1013 DataListItem item = null;
1015 case ListItemType.Header:
1016 case ListItemType.Footer:
1017 if (repeatIndex >= 0 && (!HasControls () || repeatIndex >= Controls.Count))
1018 throw new ArgumentOutOfRangeException ();
1020 item = FindFirstItem (itemType);
1022 case ListItemType.Item:
1023 case ListItemType.AlternatingItem:
1024 case ListItemType.SelectedItem:
1025 case ListItemType.EditItem:
1026 if (repeatIndex >= 0 && (!HasControls () || repeatIndex >= Controls.Count))
1027 throw new ArgumentOutOfRangeException ();
1029 item = FindBestItem (repeatIndex);
1031 case ListItemType.Separator:
1032 if (repeatIndex >= 0 && (!HasControls () || repeatIndex >= Controls.Count))
1033 throw new ArgumentOutOfRangeException ();
1035 item = FindSpecificItem (itemType, repeatIndex);
1042 if (item == null || item.ControlStyleCreated == false)
1045 return item.ControlStyle;
1048 // Header and Footer don't have a "real" index (-1)
1049 private DataListItem FindFirstItem (ListItemType itemType)
1051 for (int i = 0; i < Controls.Count; i++) {
1052 DataListItem item = (Controls [i] as DataListItem);
1053 if ((item != null) && (item.ItemType == itemType))
1059 // Both Type and Index must match (e.g. Separator)
1060 private DataListItem FindSpecificItem (ListItemType itemType, int repeatIndex)
1062 for (int i = 0; i < Controls.Count; i++) {
1063 DataListItem item = (Controls [i] as DataListItem);
1064 if ((item != null) && (item.ItemType == itemType) && (item.ItemIndex == repeatIndex))
1070 // we get call for Item even for AlternatingItem :(
1071 private DataListItem FindBestItem (int repeatIndex)
1073 for (int i = 0; i < Controls.Count; i++) {
1074 DataListItem item = (Controls [i] as DataListItem);
1075 if ((item != null) && (item.ItemIndex == repeatIndex)) {
1076 switch (item.ItemType) {
1077 case ListItemType.Item:
1078 case ListItemType.AlternatingItem:
1079 case ListItemType.SelectedItem:
1080 case ListItemType.EditItem:
1090 void IRepeatInfoUser.RenderItem (ListItemType itemType, int repeatIndex, RepeatInfo repeatInfo, HtmlTextWriter writer)
1092 // if possible take the easy way out...
1093 if (!HasControls ())
1096 DataListItem item = null;
1098 case ListItemType.Header:
1099 case ListItemType.Footer:
1100 item = FindFirstItem (itemType);
1102 case ListItemType.Item:
1103 case ListItemType.AlternatingItem:
1104 case ListItemType.SelectedItem:
1105 case ListItemType.EditItem:
1106 item = FindBestItem (repeatIndex);
1108 case ListItemType.Separator:
1109 item = FindSpecificItem (itemType, repeatIndex);
1114 bool extract = ExtractTemplateRows;
1115 bool table = (RepeatLayout == RepeatLayout.Table);
1116 if (!table || extract) {
1117 // sadly RepeatInfo doesn't support Style for RepeatLayout.Flow
1118 Style s = (this as IRepeatInfoUser).GetItemStyle (itemType, repeatIndex);
1120 item.ControlStyle.CopyFrom (s);
1122 //Console.WriteLine ("RenderItem #{0} type {1}", repeatIndex, itemType);
1123 item.RenderItem (writer, extract, table);
1125 //Console.WriteLine ("Couldn't find #{0} type {1} out of {2} items / {3} controls", repeatIndex, itemType, Items.Count, Controls.Count);