-/**\r
- * Namespace: System.Web.UI.WebControls\r
- * Class: CheckBox\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
- * Thanks to Leen Toelen (toelen@hotmail.com)'s classes that helped me\r
- * to write the contents of the function LoadPostData(...)\r
- */\r
-\r
-using System;\r
-using System.Collections;\r
-using System.Collections.Specialized;\r
-using System.Globalization;\r
-using System.Web;\r
-using System.Web.UI;\r
-\r
-namespace System.Web.UI.WebControls\r
-{\r
- public class CheckBox : WebControl, IPostBackDataHandler\r
- {\r
- private static readonly object CheckedChangedEvent = new object();\r
- \r
- public CheckBox()\r
- {\r
- base(HtmlTextWriterTag.Input);\r
- }\r
- \r
- public virtual bool AutoPostBack\r
- {\r
- get\r
- {\r
- object o = ViewState["AutoPostBack"];\r
- if(o!=null)\r
- return (bool)AutoPostBack;\r
- return false;\r
- }\r
- set\r
- {\r
- ViewState["AutoPostBack"] = value;\r
- }\r
- }\r
- \r
- public virtual bool Checked\r
- {\r
- get\r
- {\r
- object o = ViewState["Checked"];\r
- if(o!=null)\r
- return (bool)o;\r
- return false;\r
- }\r
- set\r
- {\r
- ViewState["Checked"] = value;\r
- }\r
- }\r
- \r
- public virtual string Text\r
- {\r
- get\r
- {\r
- object o = ViewState["Text"];\r
- if(o!=null)\r
- return (string)o;\r
- return String.Empty;\r
- }\r
- set\r
- {\r
- ViewState["Text"] = value;\r
- }\r
- }\r
- \r
- private bool SaveCheckedViewState\r
- {\r
- get\r
- {\r
- if(Events[CheckedChangedEvent] != null)\r
- {\r
- if(!Enabled)\r
- return true;\r
- if(GetType() == typeof(CheckBox))\r
- {\r
- return false;\r
- }\r
- if(GetType() == typeof(RadioButton))\r
- {\r
- return false;\r
- }\r
- }\r
- return true;\r
- \r
- }\r
- }\r
- \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(!System.Enum.IsDefined(typeof(TextAlign), value))\r
- throw new ArgumentException();\r
- ViewState["TextAlign"] = value;\r
- }\r
- }\r
- \r
- public event EventHandler CheckedChanged\r
- {\r
- add\r
- {\r
- Events.AddHandler(CheckedChangedEvent, value);\r
- }\r
- remove\r
- {\r
- Events.RemoveHandler(CheckedChangedEvent, value);\r
- }\r
- }\r
- \r
- protected virtual void OnCheckedChanged(EventArgs e)\r
- {\r
- if(Events!=null)\r
- {\r
- EventHandler eh = (EventHandler)(Events[CheckedChangedEvent]);\r
- if(eh!=null)\r
- eh(this, e);\r
- }\r
- }\r
- \r
- protected override void OnPreRender(EventArgs e)\r
- {\r
- if(Page!=null)\r
- {\r
- if(Enabled)\r
- {\r
- Page.RegisterRequiresPostBack(this);\r
- }\r
- }\r
- if(SaveCheckedViewState)\r
- {\r
- ViewState.SetItemDirty("checked", false);\r
- }\r
- }\r
- \r
- protected override void Render(HtmlTextWriter writer)\r
- {\r
- bool hasBeginRendering = false;\r
- if(ControlStyleCreated)\r
- {\r
- //TODO: Uncomment this in final version\r
- /*\r
- if(!ControlStyle.IsEmpty)\r
- {\r
- hasBeginRendering = true;\r
- ControlStyle.AddAttributesToRender(writer, this);\r
- }\r
- */\r
- }\r
- if(!Enabled)\r
- {\r
- hasBeginRendering = true;\r
- writer.AddAttribute(HtmlTextWriterAttribute.Disabled, "disabled");\r
- }\r
- if(ToolTip.Length > 0)\r
- {\r
- hasBeginRendering = true;\r
- writer.AddAttribute(HtmlTextWriterAttribute.Title, ToolTip);\r
- }\r
- if(Attributes.Count > 0)\r
- {\r
- hasBeginRendering = true;\r
- Attributes.AddAttributes(writer);\r
- }\r
- if(hasBeginRendering)\r
- writer.RenderBeginTag(HtmlTextWriterTag.Span);\r
- if(Text.Length > 0)\r
- {\r
- if(TextAlign == TextAlign.Right)\r
- {\r
- writer.AddAttribute(HtmlTextWriterAttribute.For, ClientID);\r
- writer.RenderBeginTag(HtmlTextWriterTag.Label);\r
- writer.Write(Text);\r
- writer.RenderEndTag();\r
- RenderInputTag(writer, ClientID);\r
- } else\r
- {\r
- RenderInputTag(writer, ClientID);\r
- writer.AddAttribute(HtmlTextWriterAttribute.For, ClientID);\r
- writer.RenderBeginTag(HtmlTextWriterTag.Label);\r
- writer.Write(Text);\r
- }\r
- }\r
- if(hasBeginRendering)\r
- writer.RenderEndTag();\r
- throw new NotImplementedException("Calling some internal functions");\r
- }\r
- \r
- internal virtual void RenderInputTag(HtmlTextWriter writer, string clientId)\r
- {\r
- writer.AddAttribute(HtmlTextWriterAttribute.Id, clientId);\r
- writer.AddAttribute(HtmlTextWriterAttribute.Type, "checkbox");\r
- writer.AddAttribute(HtmlTextWriterAttribute.Name, UniqueID);\r
- if(Checked)\r
- {\r
- writer.AddAttribute(HtmlTextWriterAttribute.Checked, "checked");\r
- }\r
- if(AutoPostBack)\r
- {\r
- writer.AddAttribute(HtmlTextWriterAttribute.Onclick,Page.GetPostBackClientEvent(this, String.Empty));\r
- writer.AddAttribute("language", "javascript");\r
- }\r
- if(AccessKey.Length > 0)\r
- {\r
- writer.AddAttribute(HtmlTextWriterAttribute.Accesskey, AccessKey);\r
- }\r
- if(TabIndex != 0)\r
- {\r
- writer.AddAttribute(HtmlTextWriterAttribute.Tabindex, TabIndex.ToString(NumberFormatInfo.InvariantInfo));\r
- }\r
- writer.RenderBeginTag(HtmlTextWriterTag.Input);\r
- writer.RenderEndTag();\r
- }\r
- \r
- bool IPostBackDataHandler.LoadPostData(string postDataKey, NameValueCollection postCollection)\r
- {\r
- string postedVal = postCollection[postDataKey];\r
- bool postChecked = false;\r
- if(postedVal != null)\r
- {\r
- postChecked = postedVal.Length > 0;\r
- }\r
- Checked = postChecked;\r
- return (postChecked == Checked == false);\r
- }\r
- \r
- void IPostBackDataHandler.RaisePostDataChangedEvent()\r
- {\r
- OnCheckedChanged(EventArgs.Empty);\r
- }\r
- }\r
-}\r
+//
+// System.Web.UI.WebControls.CheckBox.cs
+//
+// Author:
+// Dick Porter <dick@ximian.com>
+//
+// Copyright (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
+// "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.
+//
+
+using System.Collections;
+using System.Collections.Specialized;
+using System.ComponentModel;
+using System.Globalization;
+using System.Security.Permissions;
+
+namespace System.Web.UI.WebControls {
+ // CAS
+ [AspNetHostingPermissionAttribute (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
+ [AspNetHostingPermissionAttribute (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
+ // attributes
+ [Designer ("System.Web.UI.Design.WebControls.CheckBoxDesigner, " + Consts.AssemblySystem_Design, "System.ComponentModel.Design.IDesigner")]
+ [DataBindingHandler ("System.Web.UI.Design.TextDataBindingHandler, " + Consts.AssemblySystem_Design)]
+ [DefaultEvent ("CheckedChanged")]
+ [DefaultProperty ("Text")]
+#if NET_2_0
+ [ControlValueProperty ("Checked", null)]
+ [SupportsEventValidation]
+#endif
+ public class CheckBox : WebControl, IPostBackDataHandler
+#if NET_2_0
+ , ICheckBoxControl
+#endif
+ {
+ string render_type;
+ AttributeCollection common_attrs;
+
+#if NET_2_0
+ AttributeCollection inputAttributes;
+ StateBag inputAttributesState;
+ AttributeCollection labelAttributes;
+ StateBag labelAttributesState;
+#endif
+
+ public CheckBox () : base (HtmlTextWriterTag.Input)
+ {
+ render_type = "checkbox";
+ }
+
+ internal CheckBox (string render_type) : base (HtmlTextWriterTag.Input)
+ {
+ this.render_type = render_type;
+ }
+
+ [DefaultValue (false)]
+#if NET_2_0
+ [Themeable (false)]
+#endif
+ [WebSysDescription ("")]
+ [WebCategory ("Behavior")]
+ public virtual bool AutoPostBack
+ {
+ get {
+ return (ViewState.GetBool ("AutoPostBack",
+ false));
+ }
+ set {
+ ViewState["AutoPostBack"] = value;
+ }
+ }
+
+#if NET_2_0
+ [DefaultValue (false)]
+ [Themeable (false)]
+ [MonoTODO]
+ [WebSysDescription ("")]
+ [WebCategory ("Behavior")]
+ public virtual bool CausesValidation
+ {
+ get { return ViewState.GetBool ("CausesValidation", false); }
+ set { ViewState ["CausesValidation"] = value; }
+ }
+#endif
+
+
+ [DefaultValue (false)]
+#if NET_2_0
+ [Bindable (true, BindingDirection.TwoWay)]
+ [Themeable (false)]
+#else
+ [Bindable (true)]
+#endif
+ [WebSysDescription ("")]
+ [WebCategory ("Behavior")]
+ public virtual bool Checked
+ {
+ get {
+ return (ViewState.GetBool ("Checked", false));
+ }
+ set {
+ ViewState["Checked"] = value;
+ }
+ }
+
+#if NET_2_0
+ [Browsable (false)]
+ [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
+ public AttributeCollection InputAttributes
+ {
+ get {
+ if (inputAttributes == null) {
+ if (inputAttributesState == null) {
+ inputAttributesState = new StateBag (true);
+ if (IsTrackingViewState)
+ inputAttributesState.TrackViewState();
+ }
+ inputAttributes = new AttributeCollection (inputAttributesState);
+ }
+ return inputAttributes;
+ }
+ }
+
+ [Browsable (false)]
+ [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
+ public AttributeCollection LabelAttributes
+ {
+ get {
+ if (labelAttributes == null) {
+ if (labelAttributesState == null) {
+ labelAttributesState = new StateBag (true);
+ if (IsTrackingViewState)
+ labelAttributesState.TrackViewState();
+ }
+ labelAttributes = new AttributeCollection (labelAttributesState);
+ }
+ return labelAttributes;
+ }
+ }
+#endif
+
+ [DefaultValue ("")]
+ [Bindable (true)]
+#if NET_2_0
+ [Localizable (true)]
+#endif
+ [WebSysDescription ("")]
+ [WebCategory ("Appearance")]
+ public virtual string Text
+ {
+ get {
+ return (ViewState.GetString ("Text",
+ String.Empty));
+ }
+ set {
+ ViewState["Text"] = value;
+ }
+ }
+
+ [DefaultValue (TextAlign.Right)]
+#if ONLY_1_1
+ [Bindable (true)]
+#endif
+ [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;
+ }
+ }
+
+#if NET_2_0
+ [Themeable (false)]
+ [DefaultValue ("")]
+ [WebSysDescription ("")]
+ [WebCategoryAttribute ("Behavior")]
+ public virtual string ValidationGroup
+ {
+ get { return ViewState.GetString ("ValidationGroup", String.Empty); }
+ set { ViewState["ValidationGroup"] = value; }
+ }
+#endif
+
+ private static readonly object EventCheckedChanged = new object ();
+ [WebSysDescription ("")]
+ [WebCategory ("Action")]
+ public event EventHandler CheckedChanged
+ {
+ add {
+ Events.AddHandler (EventCheckedChanged, value);
+ }
+ remove {
+ Events.RemoveHandler (EventCheckedChanged, value);
+ }
+ }
+
+ protected virtual void OnCheckedChanged (EventArgs e)
+ {
+ EventHandler handler = (EventHandler)Events[EventCheckedChanged];
+
+ if (handler != null) {
+ handler (this, e);
+ }
+ }
+
+ internal virtual string NameAttribute
+ {
+ get {
+ return (this.UniqueID);
+ }
+ }
+
+#if NET_2_0
+ protected override void LoadViewState (object savedState)
+ {
+ if (savedState == null) {
+ base.LoadViewState (null);
+ return;
+ }
+
+ Triplet saved = (Triplet) savedState;
+ base.LoadViewState (saved.First);
+
+ if (saved.Second != null) {
+ if (inputAttributesState == null) {
+ inputAttributesState = new StateBag(true);
+ inputAttributesState.TrackViewState ();
+ }
+ inputAttributesState.LoadViewState (saved.Second);
+ }
+
+ if (saved.Third != null) {
+ if (labelAttributesState == null) {
+ labelAttributesState = new StateBag(true);
+ labelAttributesState.TrackViewState ();
+ }
+ labelAttributesState.LoadViewState (saved.Third);
+ }
+ }
+
+ protected override object SaveViewState ()
+ {
+ object baseView = base.SaveViewState ();
+ object inputAttrView = null;
+ object labelAttrView = null;
+
+ if (inputAttributesState != null)
+ inputAttrView = inputAttributesState.SaveViewState ();
+
+ if (labelAttributesState != null)
+ labelAttrView = labelAttributesState.SaveViewState ();
+
+ if (baseView == null && inputAttrView == null && labelAttrView == null)
+ return null;
+
+ return new Triplet (baseView, inputAttrView, labelAttrView);
+ }
+
+ protected override void TrackViewState ()
+ {
+ base.TrackViewState();
+ if (inputAttributesState != null)
+ inputAttributesState.TrackViewState ();
+ if (labelAttributesState != null)
+ labelAttributesState.TrackViewState ();
+ }
+#endif
+
+#if NET_2_0
+ protected internal
+#else
+ protected
+#endif
+ override void OnPreRender (EventArgs e)
+ {
+ base.OnPreRender (e);
+
+ if (Page != null) {
+ Page.RegisterRequiresPostBack (this);
+ }
+ }
+
+ static bool IsInputOrCommonAttr (string attname)
+ {
+ attname = attname.ToUpper (CultureInfo.InvariantCulture);
+ switch (attname) {
+ case "VALUE":
+ case "CHECKED":
+ case "SIZE":
+ case "MAXLENGTH":
+ case "SRC":
+ case "ALT":
+ case "USEMAP":
+ case "DISABLED":
+ case "READONLY":
+ case "ACCEPT":
+ case "ACCESSKEY":
+ case "TABINDEX":
+ case "ONFOCUS":
+ case "ONBLUR":
+ case "ONSELECT":
+ case "ONCHANGE":
+ case "ONCLICK":
+ case "ONDBLCLICK":
+ case "ONMOUSEDOWN":
+ case "ONMOUSEUP":
+ case "ONMOUSEOVER":
+ case "ONMOUSEMOVE":
+ case "ONMOUSEOUT":
+ case "ONKEYPRESS":
+ case "ONKEYDOWN":
+ case "ONKEYUP":
+ return true;
+ default:
+ return false;
+ }
+ }
+
+ void AddAttributesForSpan (HtmlTextWriter writer)
+ {
+ ICollection k = Attributes.Keys;
+ string [] keys = new string [k.Count];
+ k.CopyTo (keys, 0);
+ foreach (string key in keys) {
+ if (!IsInputOrCommonAttr (key))
+ continue;
+ if (common_attrs == null)
+ common_attrs = new AttributeCollection (new StateBag ());
+ common_attrs [key] = Attributes [key];
+ Attributes.Remove (key);
+ }
+ Attributes.AddAttributes (writer);
+ }
+#if NET_2_0
+ protected internal
+#else
+ protected
+#endif
+ override void Render (HtmlTextWriter w)
+ {
+ if (Page != null)
+ Page.VerifyRenderingInServerForm (this);
+
+ bool need_span = ControlStyleCreated && !ControlStyle.IsEmpty;
+ if (need_span)
+ ControlStyle.AddAttributesToRender (w, this);
+
+ if (!Enabled) {
+ w.AddAttribute (HtmlTextWriterAttribute.Disabled, "disabled");
+ need_span = true;
+ }
+
+ string tt = ToolTip;
+ if (tt != ""){
+ w.AddAttribute ("title", tt);
+ need_span = true;
+ }
+
+ if (Attributes.Count > 0){
+ AddAttributesForSpan (w);
+ Attributes.AddAttributes (w);
+ need_span = true;
+ }
+
+ if (need_span)
+ w.RenderBeginTag (HtmlTextWriterTag.Span);
+
+ TextAlign align = TextAlign;
+ if (align == TextAlign.Right) {
+ w.AddAttribute (HtmlTextWriterAttribute.Id, ClientID);
+ w.AddAttribute (HtmlTextWriterAttribute.Type, render_type);
+ w.AddAttribute (HtmlTextWriterAttribute.Name, NameAttribute);
+ InternalAddAttributesToRender (w);
+ if (Checked)
+ w.AddAttribute (HtmlTextWriterAttribute.Checked, "checked");
+
+ if (AutoPostBack){
+ w.AddAttribute (HtmlTextWriterAttribute.Onclick,
+ Page.ClientScript.GetPostBackEventReference (this, String.Empty));
+ w.AddAttribute ("language", "javascript");
+ }
+
+ if (AccessKey.Length > 0)
+ w.AddAttribute (HtmlTextWriterAttribute.Accesskey, AccessKey);
+
+ if (TabIndex != 0)
+ w.AddAttribute (HtmlTextWriterAttribute.Tabindex,
+ TabIndex.ToString (CultureInfo.InvariantCulture));
+
+ if (common_attrs != null)
+ common_attrs.AddAttributes (w);
+ w.RenderBeginTag (HtmlTextWriterTag.Input);
+ w.RenderEndTag ();
+ string text = Text;
+ if (text != "") {
+#if NET_2_0
+ if (labelAttributes != null)
+ labelAttributes.AddAttributes (w);
+#endif
+ w.AddAttribute (HtmlTextWriterAttribute.For, ClientID);
+ w.RenderBeginTag (HtmlTextWriterTag.Label);
+ w.Write (text);
+ w.RenderEndTag ();
+ }
+ } else {
+ string text = Text;
+ if (text != "") {
+#if NET_2_0
+ if (labelAttributes != null)
+ labelAttributes.AddAttributes (w);
+#endif
+ w.AddAttribute (HtmlTextWriterAttribute.For, ClientID);
+ w.RenderBeginTag (HtmlTextWriterTag.Label);
+ w.Write (text);
+ w.RenderEndTag ();
+ }
+
+ w.AddAttribute (HtmlTextWriterAttribute.Id, ClientID);
+ w.AddAttribute (HtmlTextWriterAttribute.Type, render_type);
+ w.AddAttribute (HtmlTextWriterAttribute.Name, NameAttribute);
+ InternalAddAttributesToRender (w);
+ if (Checked)
+ w.AddAttribute (HtmlTextWriterAttribute.Checked, "checked");
+
+ if (AutoPostBack){
+ w.AddAttribute (HtmlTextWriterAttribute.Onclick,
+ Page.ClientScript.GetPostBackEventReference (this, String.Empty));
+ w.AddAttribute ("language", "javascript");
+ }
+
+ if (AccessKey.Length > 0)
+ w.AddAttribute (HtmlTextWriterAttribute.Accesskey, AccessKey);
+
+ if (TabIndex != 0)
+ w.AddAttribute (HtmlTextWriterAttribute.Tabindex,
+ TabIndex.ToString (NumberFormatInfo.InvariantInfo));
+
+ if (common_attrs != null)
+ common_attrs.AddAttributes (w);
+ w.RenderBeginTag (HtmlTextWriterTag.Input);
+ w.RenderEndTag ();
+ }
+
+ if (need_span)
+ w.RenderEndTag ();
+ }
+
+#if NET_2_0
+ protected virtual
+#endif
+ bool LoadPostData (string postDataKey, NameValueCollection postCollection)
+ {
+ if (!Enabled)
+ return false;
+
+ string postedValue = postCollection[postDataKey];
+ bool postedBool = ((postedValue != null) &&
+ (postedValue.Length > 0));
+
+ if (Checked != postedBool) {
+ Checked = postedBool;
+ return (true);
+ }
+
+ return (false);
+ }
+
+#if NET_2_0
+ protected virtual
+#endif
+ void RaisePostDataChangedEvent ()
+ {
+#if NET_2_0
+ if (CausesValidation)
+ Page.Validate (ValidationGroup);
+#endif
+ OnCheckedChanged (EventArgs.Empty);
+ }
+
+ bool IPostBackDataHandler.LoadPostData (string postDataKey, NameValueCollection postCollection)
+ {
+ return LoadPostData (postDataKey, postCollection);
+ }
+
+ void IPostBackDataHandler.RaisePostDataChangedEvent ()
+ {
+ RaisePostDataChangedEvent ();
+ }
+
+#if NET_2_0
+ protected override void AddAttributesToRender (HtmlTextWriter writer)
+ {
+ base.AddAttributesToRender (writer);
+ }
+#endif
+
+ internal virtual void InternalAddAttributesToRender (HtmlTextWriter w)
+ {
+ if (!Enabled)
+ w.AddAttribute (HtmlTextWriterAttribute.Disabled, "disabled");
+ }
+ }
+}
projects / mono.git / blobdiff