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// 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) 2008 Novell, Inc. (http://www.novell.com)
//
// Authors:
// Sandy Armstrong <sanfordarmstrong@gmail.com>
//
using System;
using SWF = System.Windows.Forms;
using System.Windows.Automation;
using System.Windows.Automation.Provider;
using Mono.UIAutomation.Winforms.Events;
using Mono.UIAutomation.Winforms.Events.TreeView;
namespace Mono.UIAutomation.Winforms.Behaviors.TreeView
{
internal class ExpandCollapeProviderBehavior : ProviderBehavior, IExpandCollapseProvider
{
#region Private Members
private TreeNodeProvider nodeProvider;
#endregion
#region Constructors
public ExpandCollapeProviderBehavior (TreeNodeProvider nodeProvider) :
base (nodeProvider)
{
this.nodeProvider = nodeProvider;
}
#endregion
#region ProviderBehavior Overrides
public override object GetPropertyValue (int propertyId)
{
if (propertyId == ExpandCollapsePatternIdentifiers.ExpandCollapseStateProperty.Id)
return ExpandCollapseState;
return base.GetPropertyValue(propertyId);
}
public override void Connect ()
{
nodeProvider.SetEvent (ProviderEventType.ExpandCollapsePatternExpandCollapseStateProperty,
new ExpandCollapsePatternExpandCollapseStateEvent (nodeProvider));
}
public override void Disconnect ()
{
nodeProvider.SetEvent (ProviderEventType.ExpandCollapsePatternExpandCollapseStateProperty,
null);
}
public override AutomationPattern ProviderPattern {
get {
return ExpandCollapsePatternIdentifiers.Pattern;
}
}
#endregion
#region IExpandCollapseProvider implementation
public void Collapse ()
{
if (ExpandCollapseState == ExpandCollapseState.LeafNode)
throw new InvalidOperationException ("LeafNode");
SWF.TreeView treeView = nodeProvider.TreeNode.TreeView;
if (!treeView.Enabled)
throw new ElementNotEnabledException ();
if (treeView != null && treeView.InvokeRequired) {
treeView.BeginInvoke (new SWF.MethodInvoker (PerformCollapse));
return;
}
PerformCollapse ();
}
public void Expand ()
{
if (ExpandCollapseState == ExpandCollapseState.LeafNode)
throw new InvalidOperationException ("LeafNode");
SWF.TreeView treeView = nodeProvider.TreeNode.TreeView;
if (!treeView.Enabled)
throw new ElementNotEnabledException ();
if (treeView != null && treeView.InvokeRequired) {
treeView.BeginInvoke (new SWF.MethodInvoker (PerformExpand));
return;
}
PerformExpand ();
}
public ExpandCollapseState ExpandCollapseState {
get {
if (nodeProvider.TreeNode.Nodes.Count == 0)
return ExpandCollapseState.LeafNode;
else if (nodeProvider.TreeNode.IsExpanded)
return ExpandCollapseState.Expanded;
else
return ExpandCollapseState.Collapsed;
}
}
#endregion
#region Private Methods
private void PerformCollapse ()
{
nodeProvider.TreeNode.Collapse ();
}
private void PerformExpand ()
{
nodeProvider.TreeNode.Expand ();
}
#endregion
}
}
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