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SearchCommands.cs
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SearchCommands.cs
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// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Threading;
using ICSharpCode.AvalonEdit.Document;
using ICSharpCode.AvalonEdit.Editing;
using ICSharpCode.AvalonEdit.Rendering;
namespace ICSharpCode.AvalonEdit.Search
{
/// <summary>
/// Search commands for AvalonEdit.
/// </summary>
public static class SearchCommands
{
/// <summary>
/// Finds the next occurrence in the file.
/// </summary>
public static readonly RoutedCommand FindNext = new RoutedCommand(
"FindNext", typeof(SearchPanel),
new InputGestureCollection { new KeyGesture(Key.F3) }
);
/// <summary>
/// Finds the previous occurrence in the file.
/// </summary>
public static readonly RoutedCommand FindPrevious = new RoutedCommand(
"FindPrevious", typeof(SearchPanel),
new InputGestureCollection { new KeyGesture(Key.F3, ModifierKeys.Shift) }
);
/// <summary>
/// Closes the SearchPanel.
/// </summary>
public static readonly RoutedCommand CloseSearchPanel = new RoutedCommand(
"CloseSearchPanel", typeof(SearchPanel),
new InputGestureCollection { new KeyGesture(Key.Escape) }
);
}
/// <summary>
/// TextAreaInputHandler that registers all search-related commands.
/// </summary>
public class SearchInputHandler : TextAreaInputHandler
{
/// <summary>
/// Creates a new SearchInputHandler and registers the search-related commands.
/// </summary>
public SearchInputHandler(TextArea textArea)
: base(textArea)
{
RegisterCommands(this.CommandBindings);
}
void RegisterCommands(ICollection<CommandBinding> commandBindings)
{
commandBindings.Add(new CommandBinding(ApplicationCommands.Find, ExecuteFind));
commandBindings.Add(new CommandBinding(SearchCommands.FindNext, ExecuteFindNext));
commandBindings.Add(new CommandBinding(SearchCommands.FindPrevious, ExecuteFindPrevious));
commandBindings.Add(new CommandBinding(SearchCommands.CloseSearchPanel, ExecuteCloseSearchPanel));
}
SearchPanel panel;
void ExecuteFind(object sender, ExecutedRoutedEventArgs e)
{
if (panel == null || panel.IsClosed) {
panel = new SearchPanel();
panel.Attach(TextArea);
}
panel.SearchPattern = TextArea.Selection.GetText();
Dispatcher.CurrentDispatcher.BeginInvoke(DispatcherPriority.Input, (Action)delegate { panel.Reactivate(); });
}
void ExecuteFindNext(object sender, ExecutedRoutedEventArgs e)
{
if (panel != null)
panel.FindNext();
}
void ExecuteFindPrevious(object sender, ExecutedRoutedEventArgs e)
{
if (panel != null)
panel.FindPrevious();
}
void ExecuteCloseSearchPanel(object sender, ExecutedRoutedEventArgs e)
{
if (panel != null)
panel.Close();
panel = null;
}
}
}