-/**\r
- * Namespace: System.Web.UI.WebControls\r
- * Class: WebControl\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: 40%\r
- *\r
- * (C) Gaurav Vaish (2001)\r
- */\r
-\r
-using System;\r
-using System.Collections;\r
-using System.Web;\r
-using System.Web.UI;\r
-using System.Drawing;\r
-using System.Collections.Specialized;\r
-\r
-namespace System.Web.UI.WebControls\r
-{\r
- public class WebControl : Control, IAttributeAccessor\r
- {\r
- //TODO: A list of private members may be incomplete\r
-\r
- private HtmlTextWriterTag writerTag;\r
- private string stringTag;\r
- private AttributeCollection attributes;\r
- private StateBag attributeState;\r
- private Style borderStyle;\r
- private Style controlStyle;\r
- private bool enabled;\r
- private HtmlTextWriterTag tagKey;\r
- private string tagName;\r
-\r
- // TODO: The constructors definitions\r
- protected WebControl(): base()\r
- {\r
- //todo: what now? To be rendered as SPAN tag!\r
- Initialize();\r
- }\r
-\r
- public WebControl(HtmlTextWriterTag tag): base()\r
- {\r
- //FIXME: am i right?\r
- writerTag = tag;\r
- //stringTag = null;\r
- Initialize();\r
- }\r
-\r
- protected WebControl(string tag): base()\r
- {\r
- //FIXME: am i right?\r
- stringTag = tag;\r
- //writerTag = null;\r
- Initialize();\r
- }\r
-\r
- private void Initialize()\r
- {\r
- controlStyle = null;\r
- enabled = true;\r
- tagName = null;\r
- attributeState = null;\r
- }\r
-\r
- public virtual string AccessKey\r
- {\r
- get\r
- {\r
- object o = ViewState["AccessKey"];\r
- if(o!=null)\r
- return (string)o;\r
- return String.Empty;\r
- }\r
- set\r
- {\r
- ViewState["AccessKey"] = value;\r
- }\r
- }\r
-\r
- [MonoTODO("FIXME_Internal_method_calls")]\r
- public AttributeCollection Attributes\r
- {\r
- get\r
- {\r
- throw new NotImplementedException();\r
- if(attributes==null)\r
- {\r
- //FIXME: From where to get StateBag and how? I think this method is OK!\r
- if(attributeState == null)\r
- {\r
- attributeState = new StateBag(true);\r
- //FIXME: Uncomment the following in the final release\r
- // commented because of the assembly problem.\r
- //The function TrackViewState() is internal\r
- /*\r
- if(IsTrackingViewState)\r
- {\r
- attributeState.TrackViewState();\r
- }\r
- */\r
- }\r
- attributes = new AttributeCollection(attributeState);\r
- }\r
- return attributes;\r
- }\r
- }\r
-\r
- public virtual Color BackColor\r
- {\r
- get\r
- {\r
- object o = ViewState["BackColor"];\r
- if(o != null)\r
- {\r
- return (Color)o;\r
- }\r
- return Color.Empty;\r
- }\r
- set\r
- {\r
- ViewState["BackColor"] = value;\r
- }\r
- }\r
-\r
- public virtual Color BorderColor\r
- {\r
- get\r
- {\r
- object o = ViewState["BorderColor"];\r
- if(o != null)\r
- {\r
- return (Color)o;\r
- }\r
- return Color.Empty;\r
- }\r
- set\r
- {\r
- ViewState["BorderColor"] = value;\r
- }\r
- }\r
-\r
- [MonoTODO("FIXME_Internal_method_calls")]\r
- public virtual Style BorderStyle\r
- {\r
- get\r
- {\r
- return borderStyle;\r
- }\r
- set\r
- {\r
- borderStyle = value;\r
- }\r
- }\r
-\r
- public virtual Unit BorderWidth\r
- {\r
- get\r
- {\r
- object o = ViewState["BorderWidth"];\r
- if(o != null)\r
- {\r
- return (Unit)o;\r
- }\r
- return Unit.Empty;\r
- }\r
- set\r
- {\r
- if(value.Value < 0)\r
- {\r
- throw new ArgumentException();\r
- }\r
- ViewState["BorderWidth"] = value;\r
- }\r
- }\r
-\r
- [MonoTODO("FIXME_Internal_method_calls")]\r
- public virtual Style ControlStyle\r
- {\r
- get\r
- {\r
- if(controlStyle == null)\r
- {\r
- controlStyle = CreateControlStyle();\r
- //FIXME: Uncomment the following in the final release\r
- // commented because of the assembly problem.\r
- //The functions TrackViewState() and LoadViewState() are internal\r
- /*\r
- if(IsTrackingViewState)\r
- {\r
- controlStyle.TrackViewState();\r
- }\r
- controlStyle.LoadViewState(null);\r
- */\r
- }\r
- return controlStyle;\r
- }\r
- }\r
-\r
- public bool ControlStyleCreated\r
- {\r
- get\r
- {\r
- return (controlStyle!=null);\r
- }\r
- }\r
-\r
- public virtual string CssClass\r
- {\r
- get\r
- {\r
- return ControlStyle.CssClass;\r
- }\r
- set\r
- {\r
- ControlStyle.CssClass = value;\r
- }\r
- }\r
-\r
- public virtual bool Enabled\r
- {\r
- get\r
- {\r
- return enabled;\r
- }\r
- set\r
- {\r
- enabled = value;\r
- }\r
- }\r
-\r
- public virtual FontInfo Font\r
- {\r
- get\r
- {\r
- return ControlStyle.Font;\r
- }\r
- }\r
-\r
- public virtual Color ForeColor\r
- {\r
- get\r
- {\r
- return ControlStyle.ForeColor;\r
- }\r
- set\r
- {\r
- ControlStyle.ForeColor = value;\r
- }\r
- }\r
-\r
- public virtual Unit Height\r
- {\r
- get\r
- {\r
- return ControlStyle.Height;\r
- }\r
- set\r
- {\r
- ControlStyle.Height = value;\r
- }\r
- }\r
-\r
- public CssStyleCollection Style\r
- {\r
- get\r
- {\r
- return Attributes.CssStyle;\r
- }\r
- }\r
-\r
- public virtual short TabIndex\r
- {\r
- get\r
- {\r
- object o = ViewState["TabIndex"];\r
- if(o!=null)\r
- return (short)o;\r
- return 0;\r
- }\r
- set\r
- {\r
- if(value < -32768 || value > 32767)\r
- throw new ArgumentException();\r
- ViewState["TabIndex"] = value;\r
- }\r
- }\r
-\r
- public virtual string ToolTip\r
- {\r
- get\r
- {\r
- object o = ViewState["ToolTip"];\r
- if(o!=null)\r
- return (string)o;\r
- return String.Empty;\r
- }\r
- set\r
- {\r
- ViewState["ToolTip"] = value;\r
- }\r
- }\r
-\r
- public virtual Unit Width\r
- {\r
- get\r
- {\r
- return ControlStyle.Width;\r
- }\r
- set\r
- {\r
- ControlStyle.Width = value;\r
- }\r
- }\r
-\r
- [MonoTODO("FIXME_Internal_method_calls")]\r
- public void ApplyStyle(Style s)\r
- {\r
- /* FIXME: Again internal problem\r
- if(!ControlStyle.IsEmpty)\r
- {\r
- */\r
- ControlStyle.CopyFrom(s);\r
- //}\r
- }\r
-\r
- [MonoTODO]\r
- public void CopyBaseAttributes(WebControl controlSrc)\r
- {\r
- //TODO: tocopy\r
- /*\r
- * AccessKey, Enabled, ToolTip, TabIndex, Attributes\r
- */\r
- AccessKey = controlSrc.AccessKey;\r
- Enabled = controlSrc.Enabled;\r
- ToolTip = controlSrc.ToolTip;\r
- TabIndex = controlSrc.TabIndex;\r
- attributes = controlSrc.Attributes;\r
- throw new NotImplementedException();\r
- }\r
-\r
- public void MergeStyle(Style s)\r
- {\r
- ControlStyle.MergeWith(s);\r
- }\r
-\r
- public virtual void RenderBeginTag(HtmlTextWriter writer)\r
- {\r
- AddAttributesToRender(writer);\r
- if(Enum.IsDefined(typeof(HtmlTextWriterTag), TagKey) )\r
- {\r
- writer.RenderBeginTag(TagKey);\r
- return;\r
- }\r
- writer.RenderBeginTag(tagName);\r
- }\r
-\r
- public virtual void RenderEndTag(HtmlTextWriter writer)\r
- {\r
- writer.RenderEndTag();\r
- }\r
-\r
- protected virtual HtmlTextWriterTag TagKey\r
- {\r
- get\r
- {\r
- return tagKey;\r
- }\r
- }\r
-\r
- protected virtual string TagName\r
- {\r
- get\r
- {\r
- if(tagName==null && Enum.IsDefined(typeof(HtmlTextWriterTag), tagKey) )\r
- {\r
- tagName = Enum.Format(typeof(HtmlTextWriterTag), tagKey, "G").ToString();\r
- }\r
- return tagName;\r
- }\r
- }\r
-\r
- protected virtual void AddAttributesToRender(HtmlTextWriter writer)\r
- {\r
- if(ID!=null)\r
- {\r
- writer.AddAttribute(HtmlTextWriterAttribute.Id, ClientID);\r
- }\r
- if(AccessKey.Length>0)\r
- {\r
- writer.AddAttribute(HtmlTextWriterAttribute.Accesskey, AccessKey);\r
- }\r
- if(!Enabled)\r
- {\r
- writer.AddAttribute(HtmlTextWriterAttribute.Disabled, "disabled");\r
- }\r
- if(ToolTip.Length>0)\r
- {\r
- writer.AddAttribute(HtmlTextWriterAttribute.Title, ToolTip);\r
- }\r
- if(TabIndex != 0)\r
- {\r
- writer.AddAttribute(HtmlTextWriterAttribute.Tabindex, TabIndex.ToString());\r
- }\r
- if(ControlStyleCreated)\r
- {\r
- if(!ControlStyle.IsEmpty)\r
- {\r
- ControlStyle.AddAttributesToRender(writer, this);\r
- }\r
- }\r
- if(attributeState!=null)\r
- {\r
- IEnumerator ie = Attributes.Keys.GetEnumerator();\r
- do\r
- {\r
- writer.AddAttribute((string)ie.Current, Attributes[(string)ie.Current]);\r
- } while(ie.MoveNext());\r
- }\r
- }\r
-\r
- protected virtual Style CreateControlStyle()\r
- {\r
- return new Style(ViewState);\r
- }\r
-\r
- [MonoTODO]\r
- protected override void LoadViewState(object savedState)\r
- {\r
- throw new NotImplementedException();\r
- //TODO: Load viewStates\r
- /*\r
- * May be will have to first look at Control::LoadViewState\r
- */\r
- }\r
-\r
- protected override void Render(HtmlTextWriter writer)\r
- {\r
- RenderBeginTag(writer);\r
- RenderContents(writer);\r
- RenderEndTag(writer);\r
- }\r
-\r
- protected virtual void RenderContents(HtmlTextWriter writer)\r
- {\r
- base.Render(writer);\r
- }\r
-\r
- [MonoTODO]\r
- protected override object SaveViewState()\r
- {\r
- throw new NotImplementedException();\r
- //TODO: Implement me!\r
- }\r
-\r
- protected override void TrackViewState()\r
- {\r
- TrackViewState();\r
- if(ControlStyleCreated)\r
- {\r
- ControlStyle.TrackViewState();\r
- }\r
- if(attributeState!=null)\r
- {\r
- attributeState.TrackViewState();\r
- }\r
- }\r
-\r
- string IAttributeAccessor.GetAttribute(string key)\r
- {\r
- if(Attributes!=null)\r
- return (string)Attributes[key];\r
- return null;\r
- }\r
-\r
- void IAttributeAccessor.SetAttribute(string key, string value)\r
- {\r
- Attributes[key] = value;\r
- }\r
- }\r
-}\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.
+//
+// Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
+//
+// Authors:
+// Peter Bartok (pbartok@novell.com)
+//
+//
+
+using System.ComponentModel;
+using System.Drawing;
+using System.Security.Permissions;
+
+namespace System.Web.UI.WebControls {
+
+ // CAS
+ [AspNetHostingPermissionAttribute (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
+ [AspNetHostingPermissionAttribute (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
+ // attributes
+ [ParseChildren (true)]
+#if NET_2_0
+ [PersistChildrenAttribute (false, false)]
+ [Themeable (true)]
+#else
+ [PersistChildrenAttribute (false)]
+#endif
+ public class WebControl : Control, IAttributeAccessor {
+ Style style;
+ HtmlTextWriterTag tag;
+ string tag_name;
+ AttributeCollection attributes;
+ StateBag attribute_state;
+ bool enabled;
+
+ public WebControl (HtmlTextWriterTag tag)
+ {
+ this.tag = tag;
+ this.enabled = true;
+ }
+
+ protected WebControl () : this (HtmlTextWriterTag.Span)
+ {
+ }
+
+ protected WebControl (string tag)
+ {
+ this.tag = HtmlTextWriterTag.Unknown;
+ this.tag_name = tag;
+ this.enabled = true;
+ }
+
+#if ONLY_1_1
+ [Bindable(true)]
+#endif
+ [DefaultValue("")]
+ [WebSysDescription ("")]
+ [WebCategory ("Behavior")]
+ public virtual string AccessKey {
+ get {
+ return ViewState.GetString ("AccessKey", string.Empty);
+ }
+ set {
+ if (value == null || value.Length < 2)
+ ViewState ["AccessKey"] = value;
+ else
+ throw new ArgumentException ("AccessKey can only be null, empty or a single character", "value");
+ }
+ }
+
+ [Browsable(false)]
+ [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+ [WebSysDescription ("")]
+ [WebCategory ("Behavior")]
+ public AttributeCollection Attributes {
+ get {
+ if (attributes == null) {
+ attribute_state = new StateBag (true);
+ if (IsTrackingViewState)
+ attribute_state.TrackViewState ();
+
+ attributes = new AttributeCollection (attribute_state);
+ }
+ return attributes;
+ }
+ }
+
+#if ONLY_1_1
+ [Bindable(true)]
+#endif
+ [DefaultValue(typeof (Color), "")]
+ [TypeConverter(typeof(System.Web.UI.WebControls.WebColorConverter))]
+ [WebSysDescription ("")]
+ [WebCategory ("Appearance")]
+ public virtual Color BackColor {
+ get {
+ if (style == null)
+ return Color.Empty;
+
+ return style.BackColor;
+ }
+ set {
+ ControlStyle.BackColor = value;
+ }
+ }
+
+#if ONLY_1_1
+ [Bindable(true)]
+#endif
+ [DefaultValue(typeof (Color), "")]
+ [TypeConverter(typeof(System.Web.UI.WebControls.WebColorConverter))]
+ [WebSysDescription ("")]
+ [WebCategory ("Appearance")]
+ public virtual Color BorderColor {
+ get {
+ if (style == null)
+ return Color.Empty;
+
+ return style.BorderColor;
+ }
+
+ set {
+ ControlStyle.BorderColor = value;
+ }
+ }
+
+#if ONLY_1_1
+ [Bindable(true)]
+#endif
+ [DefaultValue(BorderStyle.NotSet)]
+ [WebSysDescription ("")]
+ [WebCategory ("Appearance")]
+ public virtual BorderStyle BorderStyle {
+ get {
+ if (style == null)
+ return BorderStyle.NotSet;
+
+ return style.BorderStyle;
+ }
+ set {
+ if (value < BorderStyle.NotSet || value > BorderStyle.Outset)
+ throw new ArgumentOutOfRangeException ("value");
+
+ ControlStyle.BorderStyle = value;
+ }
+ }
+
+#if ONLY_1_1
+ [Bindable(true)]
+#endif
+ [DefaultValue(typeof (Unit), "")]
+ [WebSysDescription ("")]
+ [WebCategory ("Appearance")]
+ public virtual Unit BorderWidth {
+ get {
+ if (style == null)
+ return Unit.Empty;
+
+ return style.BorderWidth;
+ }
+ set {
+ ControlStyle.BorderWidth = value;
+ }
+ }
+
+ [Browsable(false)]
+ [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+ [WebSysDescription ("")]
+ [WebCategory ("Appearance")]
+ public Style ControlStyle {
+ get {
+ if (style == null) {
+ style = this.CreateControlStyle ();
+
+ if (IsTrackingViewState)
+ style.TrackViewState ();
+ }
+
+ return style;
+ }
+ }
+
+ [Browsable(false)]
+ [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+#if NET_2_0
+ [EditorBrowsable (EditorBrowsableState.Never)]
+#endif
+ public bool ControlStyleCreated {
+ get {
+ return style != null;
+ }
+ }
+
+#if ONLY_1_1
+ [Bindable(true)]
+#endif
+ [DefaultValue("")]
+ [WebSysDescription ("")]
+ [WebCategory ("Appearance")]
+ public virtual string CssClass {
+ get {
+ if (style == null)
+ return string.Empty;
+
+ return style.CssClass;
+ }
+ set {
+ ControlStyle.CssClass = value;
+ }
+ }
+
+ [Bindable(true)]
+ [DefaultValue(true)]
+#if NET_2_0
+ [Themeable (false)]
+#endif
+ public virtual bool Enabled {
+ get {
+ return enabled;
+ }
+
+ set {
+ if (enabled != value) {
+ ViewState ["Enabled"] = value;
+ enabled = value;
+ }
+ }
+ }
+
+#if NET_2_0
+ [Browsable (true)]
+ [MonoTODO]
+ public virtual new bool EnableTheming
+ {
+ get { return base.EnableTheming; }
+ set { base.EnableTheming = value; }
+ }
+#endif
+
+#if ONLY_1_1
+ [DefaultValue(null)]
+#endif
+ [DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
+ [NotifyParentProperty(true)]
+ [WebSysDescription ("")]
+ [WebCategory ("Appearance")]
+ public virtual FontInfo Font {
+ get {
+ // Oddly enough, it looks like we have to let it create the style
+ // since we can't create a FontInfo without a style owner
+ return ControlStyle.Font;
+ }
+ }
+
+#if ONLY_1_1
+ [Bindable(true)]
+#endif
+ [DefaultValue(typeof (Color), "")]
+ [TypeConverter(typeof(System.Web.UI.WebControls.WebColorConverter))]
+ [WebSysDescription ("")]
+ [WebCategory ("Appearance")]
+ public virtual Color ForeColor {
+ get {
+ if (style == null)
+ return Color.Empty;
+
+ return style.ForeColor;
+ }
+ set {
+ ControlStyle.ForeColor = value;
+ }
+ }
+
+#if NET_2_0
+ [Browsable (false)]
+ [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
+ [MonoTODO]
+ public bool HasAttributes
+ {
+ get {
+ throw new NotImplementedException ();
+ }
+ }
+#endif
+
+#if ONLY_1_1
+ [Bindable(true)]
+#endif
+ [DefaultValue(typeof (Unit), "")]
+ [WebSysDescription ("")]
+ [WebCategory ("Layout")]
+ public virtual Unit Height {
+ get {
+ if (style == null)
+ return Unit.Empty;
+
+ return style.Height;
+ }
+ set {
+ ControlStyle.Height = value;
+ }
+ }
+
+#if NET_2_0
+ [Browsable (true)]
+ [MonoTODO]
+ public virtual new string SkinID
+ {
+ get { return base.SkinID; }
+ set { base.SkinID = value; }
+ }
+#endif
+
+ [Browsable(false)]
+ [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+ [WebSysDescription ("")]
+ [WebCategory ("Style")]
+ public CssStyleCollection Style {
+ get {
+ return Attributes.CssStyle;
+ }
+ }
+
+ [DefaultValue((short)0)]
+ [WebSysDescription ("")]
+ [WebCategory ("Behavior")]
+ public virtual short TabIndex {
+ get {
+ return ViewState.GetShort ("TabIndex", 0);
+ }
+ set {
+ ViewState ["TabIndex"] = value;
+ }
+ }
+
+#if ONLY_1_1
+ [Bindable(true)]
+#endif
+ [DefaultValue("")]
+#if NET_2_0
+ [Localizable (true)]
+#endif
+ [WebSysDescription ("")]
+ [WebCategory ("Behavior")]
+ public virtual string ToolTip {
+ get {
+ return ViewState.GetString ("ToolTip", string.Empty);
+ }
+ set {
+ ViewState ["ToolTip"] = value;
+ }
+ }
+
+#if ONLY_1_1
+ [Bindable(true)]
+#endif
+ [DefaultValue(typeof (Unit), "")]
+ [WebSysDescription ("")]
+ [WebCategory ("Layout")]
+ public virtual Unit Width {
+ get {
+ if (style == null)
+ return Unit.Empty;
+
+ return style.Width;
+ }
+ set {
+ ControlStyle.Width = value;
+ }
+ }
+
+ [Browsable(false)]
+ [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+ protected virtual HtmlTextWriterTag TagKey {
+ get {
+ return tag;
+ }
+ }
+
+ [Browsable(false)]
+ [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+ protected virtual string TagName {
+ get {
+ // do this here to avoid potentially costly lookups on every control
+ if (tag_name == null)
+ tag_name = HtmlTextWriter.StaticGetTagName (TagKey);
+
+ return tag_name;
+ }
+ }
+
+#if NET_2_0
+ [MonoTODO]
+ protected internal bool IsEnabled
+ {
+ get {
+ throw new NotImplementedException ();
+ }
+ }
+#endif
+
+
+ public void ApplyStyle (Style s)
+ {
+ if (s != null && !s.IsEmpty)
+ ControlStyle.CopyFrom(s);
+ }
+
+ public void CopyBaseAttributes (WebControl controlSrc)
+ {
+ object o;
+
+ if (controlSrc == null)
+ return;
+
+ o = controlSrc.ViewState ["Enabled"];
+ if (o != null) {
+ enabled = (bool)o;
+ }
+
+ o = controlSrc.ViewState ["AccessKey"];
+ if (o != null)
+ ViewState ["AccessKey"] = o;
+
+ o = controlSrc.ViewState ["TabIndex"];
+ if (o != null)
+ ViewState ["TabIndex"] = o;
+
+ o = controlSrc.ViewState ["ToolTip"];
+ if (o != null)
+ ViewState ["ToolTip"] = o;
+
+ if (controlSrc.attributes != null)
+ foreach (string s in controlSrc.attributes.Keys)
+ Attributes [s] = controlSrc.attributes [s];
+ }
+
+ public void MergeStyle (Style s)
+ {
+ if (s != null && !s.IsEmpty)
+ ControlStyle.MergeWith(s);
+ }
+
+ public virtual void RenderBeginTag (HtmlTextWriter writer)
+ {
+ AddAttributesToRender (writer);
+
+ if (TagKey == HtmlTextWriterTag.Unknown)
+ writer.RenderBeginTag (TagName);
+ else
+ writer.RenderBeginTag (TagKey);
+
+ }
+
+ public virtual void RenderEndTag (HtmlTextWriter writer)
+ {
+ writer.RenderEndTag ();
+ }
+
+ protected virtual void AddAttributesToRender (HtmlTextWriter writer)
+ {
+ if (ID != null)
+ writer.AddAttribute(HtmlTextWriterAttribute.Id, ClientID);
+
+ if (AccessKey != string.Empty)
+ writer.AddAttribute (HtmlTextWriterAttribute.Accesskey, AccessKey);
+
+ if (!enabled)
+ writer.AddAttribute (HtmlTextWriterAttribute.Disabled, "disabled");
+
+ if (ToolTip != string.Empty)
+ writer.AddAttribute (HtmlTextWriterAttribute.Title, ToolTip);
+
+ if (TabIndex != 0)
+ writer.AddAttribute (HtmlTextWriterAttribute.Tabindex, TabIndex.ToString ());
+
+ if (style != null && !style.IsEmpty) {
+#if NET_2_0
+ //unbelievable, but see WebControlTest.RenderBeginTag_BorderWidth_xxx
+ if (TagKey == HtmlTextWriterTag.Span)
+ if (style.BorderWidth != Unit.Empty
+ || style.BorderStyle != BorderStyle.NotSet)
+ writer.AddStyleAttribute (HtmlTextWriterStyle.Display, "inline-block");
+#endif
+ style.AddAttributesToRender(writer, this);
+ }
+
+ if (attributes != null)
+ foreach(string s in attributes.Keys)
+ writer.AddAttribute (s, attributes [s]);
+ }
+
+ protected virtual Style CreateControlStyle()
+ {
+ style = new Style (ViewState);
+ return style;
+ }
+
+ protected override void LoadViewState (object savedState)
+ {
+ if (savedState == null) {
+ base.LoadViewState(null);
+ return;
+ }
+
+ Triplet triplet = (Triplet) savedState;
+
+ base.LoadViewState (triplet.First);
+
+ if (triplet.Second != null) {
+ if (attribute_state == null) {
+ attribute_state = new StateBag ();
+ if (IsTrackingViewState)
+ attribute_state.TrackViewState ();
+ }
+ attribute_state.LoadViewState (triplet.Second);
+ attributes = new AttributeCollection(attribute_state);
+ }
+
+ if (triplet.Third != null) {
+ if (style == null)
+ style = CreateControlStyle ();
+
+ style.LoadViewState (triplet.Third);
+ }
+
+ enabled = ViewState.GetBool("Enabled", true);
+ }
+
+#if NET_2_0
+ protected internal
+#else
+ protected
+#endif
+ override void Render (HtmlTextWriter writer)
+ {
+ RenderBeginTag (writer);
+ RenderContents (writer);
+ RenderEndTag (writer);
+ }
+
+#if NET_2_0
+ protected internal
+#else
+ protected
+#endif
+ virtual void RenderContents (HtmlTextWriter writer)
+ {
+ base.Render (writer);
+ }
+
+ protected override object SaveViewState ()
+ {
+ object view_state;
+ object attr_view_state = null;
+ object style_view_state = null;
+
+ view_state = base.SaveViewState ();
+
+ if (attribute_state != null)
+ attr_view_state = attribute_state.SaveViewState ();
+
+ if (style != null)
+ style_view_state = style.SaveViewState ();
+
+ if (view_state == null && attr_view_state == null && style_view_state == null)
+ return null;
+
+ return new Triplet (view_state, attr_view_state, style_view_state);
+ }
+
+ protected override void TrackViewState()
+ {
+ if (style != null)
+ style.TrackViewState ();
+
+ if (attribute_state != null)
+ attribute_state.TrackViewState ();
+
+ base.TrackViewState ();
+ }
+
+ string IAttributeAccessor.GetAttribute (string key)
+ {
+ if (attributes != null)
+ return attributes [key];
+
+ return null;
+ }
+
+ void IAttributeAccessor.SetAttribute (string key, string value)
+ {
+ Attributes [key] = value;
+ }
+ }
+}