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//
// Expandable.cs
//
// Author:
// Jean-Philippe Bruyère <jp.bruyere@hotmail.com>
//
// Copyright (c) 2013-2017 Jean-Philippe Bruyère
//
// 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;
using System.ComponentModel;
using System.Xml.Serialization;
namespace Crow
{
public class Expandable : TemplatedContainer
{
#region CTOR
public Expandable () : base(){}
public Expandable (Interface iface) : base(iface){}
#endregion
#region Private fields
bool _isExpanded;
string image;
Container _contentContainer;
#endregion
#region Event Handlers
public event EventHandler Expand;
public event EventHandler Collapse;
#endregion
public BooleanTestOnInstance GetIsExpandable;
public void onClickForExpand (object sender, MouseButtonEventArgs e)
{
IsExpanded = !IsExpanded;
}
public override GraphicObject Content {
get {
return _contentContainer == null ? null : _contentContainer.Child;
}
set {
_contentContainer.SetChild(value);
NotifyValueChanged ("HasContent", HasContent);
}
}
//TODO: move loadTemplate and ResolveBinding in TemplatedContainer
protected override void loadTemplate(GraphicObject template = null)
{
base.loadTemplate (template);
_contentContainer = this.child.FindByName ("Content") as Container;
}
#region Public properties
[XmlAttributeAttribute][DefaultValue("#Crow.Images.Icons.expandable.svg")]
public string Image {
get { return image; }
set {
if (image == value)
return;
image = value;
NotifyValueChanged ("Image", image);
}
}
[XmlAttributeAttribute][DefaultValue(false)]
public bool IsExpanded
{
get { return _isExpanded; }
set
{
if (value == _isExpanded)
return;
_isExpanded = value;
bool isExp = IsExpandable;
NotifyValueChanged ("IsExpandable", isExp);
if (!(HasContent & isExp))
_isExpanded = false;
NotifyValueChanged ("IsExpanded", _isExpanded);
if (_isExpanded)
onExpand (this, null);
else
onCollapse (this, null);
}
}
[XmlIgnore]public bool HasContent {
get { return _contentContainer == null ? false : _contentContainer.Child != null; }
}
[XmlIgnore]public bool IsExpandable {
get {
try {
return GetIsExpandable == null ? true : GetIsExpandable (this);
} catch (Exception ex) {
System.Diagnostics.Debug.WriteLine ("Not Expandable error: " + ex.ToString ());
return false;
}
}
}
#endregion
public virtual void onExpand(object sender, EventArgs e)
{
if (_contentContainer != null)
_contentContainer.Visible = true;
Expand.Raise (this, e);
}
public virtual void onCollapse(object sender, EventArgs e)
{
if (_contentContainer != null)
_contentContainer.Visible = false;
Collapse.Raise (this, e);
}
}
}
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