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Viewing changes to external/xwt/Xwt/Xwt/Expander.cs

  • Committer: Package Import Robot
  • Author(s): Jo Shields
  • Date: 2013-05-12 09:46:03 UTC
  • mto: This revision was merged to the branch mainline in revision 29.
  • Revision ID: package-import@ubuntu.com-20130512094603-mad323bzcxvmcam0
Tags: upstream-4.0.5+dfsg
Import upstream version 4.0.5+dfsg

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external/xwt/Xwt/Xwt/Expander.cs
 
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using System;
 
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using Xwt.Backends;
 
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using System.ComponentModel;
 
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using Xwt.Drawing;
 
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namespace Xwt
 
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{
 
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        public class Expander: Widget
 
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        {
 
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                EventHandler expandChanged;
 
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                Xwt.Widget child;
 
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                protected new class WidgetBackendHost: Widget.WidgetBackendHost, IExpandEventSink
 
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                {
 
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                        public void ExpandChanged ()
 
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                        {
 
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                                ((Expander)Parent).OnExpandChanged (EventArgs.Empty);
 
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                        }
 
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                }
 
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                protected override BackendHost CreateBackendHost ()
 
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                {
 
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                        return new WidgetBackendHost ();
 
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                }
 
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                IExpanderBackend Backend {
 
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                        get { return (IExpanderBackend)BackendHost.Backend; }
 
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                }
 
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                public Expander ()
 
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                {
 
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                }
 
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                public string Label {
 
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                        get {
 
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                                return Backend.Label;
 
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                        }
 
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                        set {
 
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                                Backend.Label = value;
 
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                        }
 
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                }
 
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                public bool Expanded {
 
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                        get {
 
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                                return Backend.Expanded;
 
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                        }
 
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                        set {
 
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                                Backend.Expanded = value;
 
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                        }
 
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                }
 
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                public new Widget Content {
 
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                        get { return child; }
 
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                        set {
 
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                                if (child != null)
 
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                                        UnregisterChild (child);
 
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                                child = value;
 
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                                if (child != null)
 
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                                        RegisterChild (child);
 
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                                Backend.SetContent ((IWidgetBackend)GetBackend (child));
 
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                                OnPreferredSizeChanged ();
 
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                        }
 
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                }
 
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                protected void OnExpandChanged (EventArgs args)
 
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                {
 
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                        if (expandChanged != null)
 
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                                expandChanged (this, args);
 
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                }
 
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                public event EventHandler ExpandChanged {
 
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                        add {
 
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                                BackendHost.OnBeforeEventAdd (ExpandEvent.ExpandChanged, expandChanged);
 
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                                expandChanged += value;
 
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                        }
 
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                        remove {
 
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                                expandChanged -= value;
 
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                                BackendHost.OnAfterEventRemove (ExpandEvent.ExpandChanged, expandChanged);
 
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                        }
 
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                }
 
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        }
 
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}
 
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