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AutomationPeer editor extension #332

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AutomationPeer editor extension #332

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9 changes: 9 additions & 0 deletions ICSharpCode.AvalonEdit/Editing/TextArea.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -1085,6 +1085,15 @@ public bool OverstrikeMode {

#endregion

#region AutomationPeer override for CodeCompletion
/// <summary>
/// Gets or sets AutomationPeer instance used by CodeCompletion.
/// CompletionWindow can use this property to inject AutomationPeer that reflects
/// the suggestion list and the value of the currently selected CompletionData item.
/// </summary>
public System.Windows.Automation.Peers.AutomationPeer CodeCompletionAutomationPeer { get; set; }
#endregion

/// <inheritdoc/>
protected override System.Windows.Automation.Peers.AutomationPeer OnCreateAutomationPeer()
{
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10 changes: 10 additions & 0 deletions ICSharpCode.AvalonEdit/Editing/TextRangeProvider.cs
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Expand Up @@ -76,6 +76,11 @@ public ITextRangeProvider Clone()
public bool Compare(ITextRangeProvider range)
{
TextRangeProvider other = (TextRangeProvider)range;
if (textArea.CodeCompletionAutomationPeer != null) {
Log("{0}.Compare({1}) [ActiveIntelliSenseAutomationPeer != null]= false", ID, other.ID);
return false;
}

bool result = doc == other.doc
&& segment.Offset == other.segment.Offset
&& segment.EndOffset == other.segment.EndOffset;
Expand Down Expand Up @@ -194,6 +199,11 @@ public IRawElementProviderSimple GetEnclosingElement()
public string GetText(int maxLength)
{
Log("{0}.GetText({1})", ID, maxLength);
if (textArea.CodeCompletionAutomationPeer != null) {
var result = textArea.CodeCompletionAutomationPeer.GetName();
Log("{0}.GetText({1}) --> {2}", ID, maxLength, result);
return result;
}
if (maxLength < 0)
return doc.GetText(segment);
else
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