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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:
// Mario Carrion <mcarrion@novell.com>
// Brad Taylor <brad@getcoded.net>
//
using System;
using System.Windows;
using System.Windows.Automation;
using System.Windows.Automation.Text;
using System.Windows.Automation.Provider;
using SWF = System.Windows.Forms;
using Mono.UIAutomation.Winforms.Events;
using Mono.UIAutomation.Winforms.Events.TextBox;
namespace Mono.UIAutomation.Winforms.Behaviors.TextBox
{
// NOTE: This class also supports RichTextBox as they share pretty much
// everything
internal class TextProviderBehavior
: ProviderBehavior, ITextProvider
{
#region Constructor
public TextProviderBehavior (FragmentControlProvider provider)
: base (provider)
{
}
#endregion
#region ProviderBehavior: Specialization
public override AutomationPattern ProviderPattern {
get { return TextPatternIdentifiers.Pattern; }
}
public override void Connect ()
{
Provider.SetEvent (ProviderEventType.TextPatternTextSelectionChangedEvent,
new TextPatternTextSelectionChangedEvent (Provider));
}
public override void Disconnect ()
{
Provider.SetEvent (ProviderEventType.TextPatternTextSelectionChangedEvent,
null);
}
public override object GetPropertyValue (int propertyId)
{
if (propertyId == AutomationElementIdentifiers.IsPasswordProperty.Id) {
if (Provider.Control is SWF.TextBox) {
SWF.TextBox textbox = TextBox;
return (textbox.UseSystemPasswordChar || (int) textbox.PasswordChar != 0);
} else if (Provider.Control is SWF.RichTextBox) {
return false;
}
}
return base.GetPropertyValue (propertyId);
}
#endregion
#region ITextProvider Members
//TODO: We should connect the events to update this.text_range_provider?
public ITextRangeProvider DocumentRange {
get {
return new TextRangeProvider (this, TextBoxBase);
}
}
public SupportedTextSelection SupportedTextSelection {
get { return SupportedTextSelection.Single; }
}
public ITextRangeProvider[] GetSelection ()
{
if (SupportedTextSelection == SupportedTextSelection.None)
throw new InvalidOperationException ();
//TODO: Return null when system cursor is not present, how to?
if (!TextBoxBase.Document.SelectionVisible)
return new ITextRangeProvider [0];
return new ITextRangeProvider [] {
new TextRangeProvider (this, TextBoxBase, TextBoxBase.SelectionStart, TextBoxBase.SelectionStart + TextBoxBase.SelectionLength) };
}
public ITextRangeProvider[] GetVisibleRanges ()
{
int start_line = -1, end_line = -1;
Document.GetVisibleLineIndexes (TextBoxBase.Bounds, out start_line, out end_line);
ITextRangeProvider range = DocumentRange.Clone ();
range.MoveEndpointByUnit (TextPatternRangeEndpoint.Start, TextUnit.Line, start_line);
range.MoveEndpointByUnit (TextPatternRangeEndpoint.End, TextUnit.Line, end_line - start_line);
return new ITextRangeProvider[] { range };
}
public ITextRangeProvider RangeFromChild (IRawElementProviderSimple childElement)
{
if (childElement == null) {
throw new ArgumentNullException ("childElement");
}
if (Provider.Control is SWF.TextBox) {
// TextBox can't have children
throw new InvalidOperationException ();
}
// TODO: RichTextBox code path
return null;
}
public ITextRangeProvider RangeFromPoint (Point screenLocation)
{
int index = -1;
Document.FindCursor ((int)screenLocation.X, (int)screenLocation.Y, out index);
// Return the degenerate range
return (ITextRangeProvider) new TextRangeProvider (
this, TextBoxBase, index, index);
}
#endregion
private SWF.TextBoxBase TextBoxBase {
get {
if (Provider.Control is SWF.TextBoxBase)
return (SWF.TextBoxBase)Provider.Control;
else if (Provider.Control is SWF.UpDownBase)
return ((SWF.UpDownBase)Provider.Control).txtView;
else
throw new Exception ("TextBoxBase: Unknown type: " + Provider.Control);
}
}
// NOTE: If you use this, you need to check if it returns null,
// as this class is reused for RichTextBox
private SWF.TextBox TextBox {
get { return Provider.Control as SWF.TextBox; }
}
private SWF.Document Document {
get { return TextBoxBase.Document; }
}
}
}
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