966bba02bb
Former-commit-id: bb0468d0f257ff100aa895eb5fe583fb5dfbf900
263 lines
7.5 KiB
C#
263 lines
7.5 KiB
C#
//
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// System.Web.UI.WebControls.Panel.cs
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//
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// Authors:
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// Ben Maurer (bmaurer@novell.com)
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//
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// (C) 2005 Novell, Inc (http://www.novell.com)
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//
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// TODO: Are we missing something in LoadViewState?
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// What to do in AddParsedSubObject
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System.ComponentModel;
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using System.Security.Permissions;
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namespace System.Web.UI.WebControls {
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// CAS
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[AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
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[AspNetHostingPermission (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
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// attributes
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[Designer ("System.Web.UI.Design.WebControls.PanelDesigner, " + Consts.AssemblySystem_Design, "System.ComponentModel.Design.IDesigner")]
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[ParseChildren (false)]
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[PersistChildren (true)]
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public class Panel : WebControl {
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public Panel () : base (HtmlTextWriterTag.Div)
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{
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}
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protected override void AddAttributesToRender (HtmlTextWriter writer)
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{
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base.AddAttributesToRender (writer);
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string image = BackImageUrl;
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if (image != "") {
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image = ResolveClientUrl (image);
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writer.AddStyleAttribute (HtmlTextWriterStyle.BackgroundImage, image);
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}
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if (!String.IsNullOrEmpty (DefaultButton) && Page != null) {
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Control button = FindControl (DefaultButton);
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if (button == null || !(button is IButtonControl))
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throw new InvalidOperationException (String.Format ("The DefaultButton of '{0}' must be the ID of a control of type IButtonControl.", ID));
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Page.ClientScript.RegisterWebFormClientScript ();
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writer.AddAttribute ("onkeypress",
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"javascript:return " + Page.WebFormScriptReference + ".WebForm_FireDefaultButton(event, '" + button.ClientID + "')");
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}
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if (Direction != ContentDirection.NotSet) {
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writer.AddAttribute (HtmlTextWriterAttribute.Dir, Direction == ContentDirection.RightToLeft ? "rtl" : "ltr", false);
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}
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switch (ScrollBars) {
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case ScrollBars.Auto:
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writer.AddStyleAttribute (HtmlTextWriterStyle.Overflow, "auto");
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break;
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case ScrollBars.Both:
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writer.AddStyleAttribute (HtmlTextWriterStyle.Overflow, "scroll");
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break;
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case ScrollBars.Horizontal:
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writer.AddStyleAttribute (HtmlTextWriterStyle.OverflowX, "scroll");
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break;
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case ScrollBars.Vertical:
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writer.AddStyleAttribute (HtmlTextWriterStyle.OverflowY, "scroll");
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break;
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}
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if (!Wrap) {
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writer.AddStyleAttribute (HtmlTextWriterStyle.WhiteSpace, "nowrap");
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}
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string align = "";
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switch (HorizontalAlign) {
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case HorizontalAlign.Center: align = "center"; break;
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case HorizontalAlign.Justify: align = "justify"; break;
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case HorizontalAlign.Left: align = "left"; break;
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case HorizontalAlign.Right: align = "right"; break;
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}
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if (align != "")
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writer.AddStyleAttribute (HtmlTextWriterStyle.TextAlign, align);
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}
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PanelStyle PanelStyle {
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get { return (ControlStyle as PanelStyle); }
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}
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[UrlProperty]
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[DefaultValue ("")]
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[Editor ("System.Web.UI.Design.ImageUrlEditor, " + Consts.AssemblySystem_Design, typeof (System.Drawing.Design.UITypeEditor))]
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[WebSysDescription ("")]
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[WebCategory ("Appearance")]
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public virtual string BackImageUrl {
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get {
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if (ControlStyleCreated) {
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if (PanelStyle != null)
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return PanelStyle.BackImageUrl;
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else
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return ViewState.GetString ("BackImageUrl", String.Empty);
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}
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return String.Empty;
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}
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set {
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if(PanelStyle!=null)
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PanelStyle.BackImageUrl = value;
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else
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ViewState ["BackImageUrl"] = value;
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}
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}
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[DefaultValue (HorizontalAlign.NotSet)]
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[WebSysDescription ("")]
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[WebCategory ("Layout")]
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public virtual HorizontalAlign HorizontalAlign {
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get {
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if (ControlStyleCreated) {
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if (PanelStyle != null)
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return PanelStyle.HorizontalAlign;
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else
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return ViewState ["HorizontalAlign"] != null ? (HorizontalAlign) ViewState ["HorizontalAlign"] : HorizontalAlign.NotSet;
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}
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return HorizontalAlign.NotSet;
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}
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set {
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if (PanelStyle != null)
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PanelStyle.HorizontalAlign = value;
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else
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ViewState ["HorizontalAlign"] = value;
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}
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}
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[DefaultValue (true)]
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[WebSysDescription ("")]
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[WebCategory ("Layout")]
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public virtual bool Wrap {
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get {
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if (ControlStyleCreated) {
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if (PanelStyle != null)
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return PanelStyle.Wrap;
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else
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return ViewState.GetBool ("Wrap", true);
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}
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return true;
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}
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set {
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if (PanelStyle != null)
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PanelStyle.Wrap = value;
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else
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ViewState ["Wrap"] = value;
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}
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}
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[ThemeableAttribute (false)]
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[DefaultValue ("")]
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public virtual string DefaultButton {
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get {
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return ViewState.GetString ("DefaultButton", String.Empty);
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}
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set {
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ViewState ["DefaultButton"] = value;
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}
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}
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[DefaultValue (ContentDirection.NotSet)]
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public virtual ContentDirection Direction {
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get {
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if (ControlStyleCreated) {
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if (PanelStyle != null)
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return PanelStyle.Direction;
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else
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return ViewState ["Direction"] != null ? (ContentDirection) ViewState ["Direction"] : ContentDirection.NotSet;
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}
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return ContentDirection.NotSet;
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}
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set {
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if (PanelStyle != null)
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PanelStyle.Direction = value;
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else
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ViewState ["Direction"] = value;
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}
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}
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[LocalizableAttribute (true)]
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[DefaultValue ("")]
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public virtual string GroupingText {
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get {
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return ViewState.GetString ("GroupingText", String.Empty);
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}
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set {
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ViewState ["GroupingText"] = value;
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}
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}
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[DefaultValue (ScrollBars.None)]
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public virtual ScrollBars ScrollBars {
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get {
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if (ControlStyleCreated) {
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if (PanelStyle != null)
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return PanelStyle.ScrollBars;
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else
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return ViewState ["ScrollBars"] != null ? (ScrollBars) ViewState ["Direction"] : ScrollBars.None;
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}
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return ScrollBars.None;
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}
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set {
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if (PanelStyle != null)
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PanelStyle.ScrollBars = value;
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else
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ViewState ["ScrollBars"] = value;
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}
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}
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public override bool SupportsDisabledAttribute {
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get { return RenderingCompatibilityLessThan40; }
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}
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protected override Style CreateControlStyle ()
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{
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return new PanelStyle (ViewState);
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}
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public override void RenderBeginTag (HtmlTextWriter writer)
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{
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base.RenderBeginTag (writer);
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if (!String.IsNullOrEmpty (GroupingText)) {
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writer.RenderBeginTag (HtmlTextWriterTag.Fieldset);
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writer.RenderBeginTag (HtmlTextWriterTag.Legend);
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writer.Write (GroupingText);
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writer.RenderEndTag ();
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}
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}
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public override void RenderEndTag (HtmlTextWriter writer)
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{
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if (!String.IsNullOrEmpty (GroupingText)) {
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writer.RenderEndTag (); // Fieldset
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}
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base.RenderEndTag (writer);
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}
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}
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}
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