2 // System.Web.UI.WebControls.TableCell.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.ComponentModel;
30 using System.Globalization;
31 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 [ControlBuilder (typeof (TableCellControlBuilder))]
42 [DefaultProperty ("Text")]
43 [ParseChildren (false)]
46 [Designer ("System.Web.UI.Design.WebControls.PreviewControlDesigner, " + Consts.AssemblySystem_Design, "System.ComponentModel.Design.IDesigner")]
47 public class TableCell : WebControl {
50 : base (HtmlTextWriterTag.Td)
55 // FIXME: is there a clean way to change the tag's name without using a ctor ?
56 // if not then this truly limits the usefulness of inheritance
57 internal TableCell (HtmlTextWriterTag tag)
65 [TypeConverter (typeof (StringArrayConverter))]
66 public virtual string[] AssociatedHeaderCellID {
68 object o = ViewState ["AssociatedHeaderCellID"];
69 return (o == null) ? new string[0] : (string[]) o;
73 ViewState.Remove ("AssociatedHeaderCellID");
75 ViewState ["AssociatedHeaderCellID"] = value;
80 [WebSysDescription ("")]
81 [WebCategory ("Appearance")]
82 public virtual int ColumnSpan {
84 object o = ViewState ["ColumnSpan"];
85 return (o == null) ? 0 : (int) o;
88 // LAMESPEC: undocumented (but like Table.CellPadding)
90 throw new ArgumentOutOfRangeException ("< 0");
91 ViewState ["ColumnSpan"] = value;
95 [DefaultValue (HorizontalAlign.NotSet)]
96 [WebSysDescription ("")]
97 [WebCategory ("Layout")]
98 public virtual HorizontalAlign HorizontalAlign {
100 if (!ControlStyleCreated)
101 return HorizontalAlign.NotSet; // default value
102 return TableItemStyle.HorizontalAlign;
104 set { TableItemStyle.HorizontalAlign = value; }
108 [WebSysDescription ("")]
109 [WebCategory ("Layout")]
110 public virtual int RowSpan {
112 object o = ViewState ["RowSpan"];
113 return (o == null) ? 0 : (int) o;
116 // LAMESPEC: undocumented (but like Table.CellPadding)
118 throw new ArgumentOutOfRangeException ("< 0");
119 ViewState ["RowSpan"] = value;
124 [PersistenceMode (PersistenceMode.InnerDefaultProperty)]
126 [WebSysDescription ("")]
127 [WebCategory ("Appearance")]
128 public virtual string Text {
130 object o = ViewState ["Text"];
131 return (o == null) ? String.Empty : (string) o;
135 ViewState.Remove ("Text");
137 ViewState ["Text"] = value;
144 [DefaultValue (VerticalAlign.NotSet)]
145 [WebSysDescription ("")]
146 [WebCategory ("Layout")]
147 public virtual VerticalAlign VerticalAlign {
149 if (!ControlStyleCreated)
150 return VerticalAlign.NotSet; // default value
151 return TableItemStyle.VerticalAlign;
153 set { TableItemStyle.VerticalAlign = value; }
156 [DefaultValue (true)]
157 [WebSysDescription ("")]
158 [WebCategory ("Layout")]
159 public virtual bool Wrap {
161 if (!ControlStyleCreated)
162 return true; // default value
163 return TableItemStyle.Wrap;
165 set { TableItemStyle.Wrap = value; }
167 public override bool SupportsDisabledAttribute {
168 get { return RenderingCompatibilityLessThan40; }
170 TableItemStyle TableItemStyle {
171 get { return (ControlStyle as TableItemStyle); }
174 protected override void AddAttributesToRender (HtmlTextWriter writer)
176 base.AddAttributesToRender (writer);
182 writer.AddAttribute (HtmlTextWriterAttribute.Colspan, i.ToString (Helpers.InvariantCulture), false);
186 writer.AddAttribute (HtmlTextWriterAttribute.Rowspan, i.ToString (Helpers.InvariantCulture), false);
187 string[] ahci = AssociatedHeaderCellID;
188 if (ahci.Length > 1) {
189 StringBuilder sb = new StringBuilder ();
190 for (i = 0; i < ahci.Length - 1; i++) {
191 sb.Append (ahci [i]);
194 sb.Append (ahci.Length - 1);
195 writer.AddAttribute (HtmlTextWriterAttribute.Headers, sb.ToString ());
196 } else if (ahci.Length == 1) {
197 // most common case (without a StringBuilder)
198 writer.AddAttribute (HtmlTextWriterAttribute.Headers, ahci [0]);
202 protected override void AddParsedSubObject (object obj)
204 if (HasControls ()) {
205 base.AddParsedSubObject (obj);
209 LiteralControl lc = (obj as LiteralControl);
213 Controls.Add (new LiteralControl (s));
214 // remove from viewstate
217 base.AddParsedSubObject(obj);
219 // this will clear any existing controls
224 protected override Style CreateControlStyle ()
226 return new TableItemStyle (ViewState);
230 override void RenderContents (HtmlTextWriter writer)
232 if (HasControls () || HasRenderMethodDelegate ())
233 base.RenderContents (writer);