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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) 2008,2009 Novell, Inc. (http://www.novell.com)
//
// Authors:
// Mario Carrion <mcarrion@novell.com>
//
using System;
using System.Windows.Automation;
using System.Windows.Automation.Provider;
using System.Windows.Forms;
using Mono.UIAutomation.Winforms;
using Mono.UIAutomation.Winforms.Events;
namespace Mono.UIAutomation.Winforms.Behaviors.Generic
{
//NOTE:
// About exceptions thrown: http://msdn.microsoft.com/en-us/library/ms749016.aspx
internal abstract class SelectionItemProviderBehavior<T>
: ProviderBehavior, ISelectionItemProvider
where T : FragmentControlProvider, ISelectableItem
{
#region Constructors
protected SelectionItemProviderBehavior (T provider)
: base (provider)
{
itemProvider = provider;
}
#endregion
#region IProviderBehavior Interface
public override AutomationPattern ProviderPattern {
get { return SelectionItemPatternIdentifiers.Pattern; }
}
public override void Disconnect ()
{
Provider.SetEvent (ProviderEventType.SelectionItemPatternElementSelectedEvent,
null);
Provider.SetEvent (ProviderEventType.SelectionItemPatternElementAddedEvent,
null);
Provider.SetEvent (ProviderEventType.SelectionItemPatternElementRemovedEvent,
null);
Provider.SetEvent (ProviderEventType.SelectionItemPatternIsSelectedProperty,
null);
Provider.SetEvent (ProviderEventType.SelectionItemPatternSelectionContainerProperty,
null);
}
public override object GetPropertyValue (int propertyId)
{
if (propertyId == SelectionItemPatternIdentifiers.IsSelectedProperty.Id)
return IsSelected;
else if (propertyId == SelectionItemPatternIdentifiers.SelectionContainerProperty.Id)
return SelectionContainer;
else
return null;
}
#endregion
#region ISelectionItemProvider Interface
public void AddToSelection ()
{
if (IsSelected)
return;
ISelectionProvider selectionProvider = SelectionProvider;
if (!selectionProvider.CanSelectMultiple) {
if (selectionProvider.GetSelection ().Length > 0)
throw new InvalidOperationException ();
else
Select ();
} else
Select ();
}
public void RemoveFromSelection ()
{
if (!IsSelected)
return;
ISelectionProvider selectionProvider = SelectionProvider;
int selectedItemsCount = selectionProvider.GetSelection ().Length;
if (!selectionProvider.CanSelectMultiple
&& selectionProvider.IsSelectionRequired
&& selectedItemsCount > 0)
throw new InvalidOperationException ();
else if (selectionProvider.CanSelectMultiple
&& selectionProvider.IsSelectionRequired
&& selectedItemsCount == 1)
throw new InvalidOperationException ();
else
PerformUnselect ();
}
public void Select ()
{
if (IsSelected)
return;
if (itemProvider.ContainerControl.InvokeRequired) {
itemProvider.ContainerControl.BeginInvoke (new MethodInvoker (Select));
return;
}
itemProvider.Select ();
}
public bool IsSelected {
get { return itemProvider.Selected; }
}
public IRawElementProviderSimple SelectionContainer {
get { return itemProvider.SelectionContainer; }
}
#endregion
#region Protected Properties
protected T ItemProvider {
get { return itemProvider; }
}
#endregion
#region Private Fields
private ISelectionProvider SelectionProvider {
get {
ISelectionProvider selectionProvider
= itemProvider.SelectionContainer.GetPatternProvider (SelectionPatternIdentifiers.Pattern.Id)
as ISelectionProvider;
if (selectionProvider == null)
throw new ArgumentException (string.Format ("itemProvider.SelectionContainer MUST implement SelectionPattern: {0}",
itemProvider.GetType ()));
return selectionProvider;
}
}
private void PerformUnselect ()
{
if (itemProvider.ContainerControl.InvokeRequired) {
itemProvider.ContainerControl.BeginInvoke (new MethodInvoker (PerformUnselect));
return;
}
itemProvider.Unselect ();
}
private T itemProvider;
#endregion
}
}
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