Browse Source
git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@3921 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61shortcuts
Daniel Grunwald
16 years ago
13 changed files with 270 additions and 294 deletions
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// <file>
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// <copyright see="prj:///doc/copyright.txt"/>
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// <license see="prj:///doc/license.txt"/>
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// <author name="Daniel Grunwald"/>
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// <version>$Revision$</version>
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// </file>
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using ICSharpCode.Core.WinForms; |
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using System; |
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using System.Windows.Forms; |
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using System.Windows.Forms.Integration; |
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using System.Windows.Input; |
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using ICSharpCode.SharpDevelop.DefaultEditor; |
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using ICSharpCode.SharpDevelop.Gui; |
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namespace ICSharpCode.SharpDevelop |
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{ |
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/// <summary>
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/// WindowsFormsHost used in SharpDevelop.
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/// </summary>
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public class SDWindowsFormsHost : WindowsFormsHost |
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{ |
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public SDWindowsFormsHost() |
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{ |
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this.DisposeChild = true; |
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CreateBindings(); |
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} |
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#region Binding
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void CreateBindings() |
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{ |
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AddBinding(ApplicationCommands.Copy, (IClipboardHandler c) => c.Copy(), c => c.EnableCopy); |
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AddBinding(ApplicationCommands.Cut, (IClipboardHandler c) => c.Cut(), c => c.EnableCut); |
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AddBinding(ApplicationCommands.Paste, (IClipboardHandler c) => c.Paste(), c => c.EnablePaste); |
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AddBinding(ApplicationCommands.Delete, (IClipboardHandler c) => c.Delete(), c => c.EnableDelete); |
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AddBinding(ApplicationCommands.SelectAll, (IClipboardHandler c) => c.SelectAll(), c => c.EnableSelectAll); |
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AddBinding(ApplicationCommands.Help, (IContextHelpProvider h) => h.ShowHelp(), h => true); |
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AddBinding(ApplicationCommands.Undo, (IUndoHandler u) => u.Undo(), u => u.EnableUndo); |
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AddBinding(ApplicationCommands.Redo, (IUndoHandler u) => u.Redo(), u => u.EnableRedo); |
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} |
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void AddBinding<T>(ICommand command, Action<T> execute, Predicate<T> canExecute) where T : class |
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{ |
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ExecutedRoutedEventHandler onExected = (sender, e) => { |
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var cbh = GetInterface<T>(); |
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if (cbh != null) { |
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e.Handled = true; |
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if (canExecute(cbh)) |
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execute(cbh); |
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} |
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}; |
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CanExecuteRoutedEventHandler onCanExecute = (sender, e) => { |
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var cbh = GetInterface<T>(); |
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if (cbh != null) { |
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e.Handled = true; |
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e.CanExecute = canExecute(cbh); |
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} |
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}; |
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this.CommandBindings.Add(new CommandBinding(command, onExected, onCanExecute)); |
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} |
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#endregion
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#region Service Object
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/// <summary>
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/// Gets/Sets the object that implements the IClipboardHandler, IUndoHandler etc. interfaces...
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/// </summary>
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public object ServiceObject { get; set; } |
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T GetInterface<T>() where T : class |
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{ |
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T instance = this.ServiceObject as T; |
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if (instance == null) { |
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instance = GetServiceWrapper(GetActiveControl()) as T; |
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} |
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return instance; |
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} |
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Control GetActiveControl() |
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{ |
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ContainerControl container = null; |
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Control ctl = this.Child; |
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while (ctl != null) { |
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container = ctl as ContainerControl; |
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if (container == null) |
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return ctl; |
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ctl = container.ActiveControl; |
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} |
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return container; |
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} |
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static object GetServiceWrapper(Control ctl) |
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{ |
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TextBoxBase tb = ctl as TextBoxBase; |
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if (tb != null) |
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return new TextBoxWrapper(tb); |
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ComboBox cb = ctl as ComboBox; |
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if (cb != null && cb.DropDownStyle != ComboBoxStyle.DropDownList) |
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return new ComboBoxWrapper(cb); |
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return ctl; |
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} |
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sealed class TextBoxWrapper : IClipboardHandler, IUndoHandler |
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{ |
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TextBoxBase textBox; |
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public TextBoxWrapper(TextBoxBase textBox) { |
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this.textBox = textBox; |
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} |
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public bool EnableCut { |
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get { return !textBox.ReadOnly && textBox.SelectionLength > 0; } |
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} |
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public bool EnableCopy { |
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get { return textBox.SelectionLength > 0; } |
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} |
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public bool EnablePaste { |
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get { return !textBox.ReadOnly && ClipboardHandling.GetClipboardContainsText(); } |
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} |
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public bool EnableDelete { |
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get { return !textBox.ReadOnly && textBox.SelectionLength > 0; } |
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} |
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public bool EnableSelectAll { |
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get { return textBox.TextLength > 0; } |
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} |
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public void Cut() { textBox.Cut(); } |
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public void Copy() { textBox.Copy(); } |
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public void Paste() { textBox.Paste(); } |
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public void Delete() { textBox.SelectedText = ""; } |
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public void SelectAll() { textBox.SelectAll(); } |
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public bool EnableUndo { get { return textBox.CanUndo; } } |
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public bool EnableRedo { get { return false; } } |
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public void Undo() |
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{ |
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textBox.Undo(); |
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} |
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public void Redo() |
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{ |
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} |
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} |
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sealed class ComboBoxWrapper : IClipboardHandler |
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{ |
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ComboBox comboBox; |
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public ComboBoxWrapper(ComboBox comboBox) { |
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this.comboBox = comboBox; |
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} |
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public bool EnableCut { |
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get { return comboBox.SelectionLength > 0; } |
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} |
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public bool EnableCopy { |
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get { return comboBox.SelectionLength > 0; } |
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} |
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public bool EnablePaste { |
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get { return ClipboardHandling.GetClipboardContainsText(); } |
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} |
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public bool EnableDelete { |
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get { return true; } |
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} |
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public bool EnableSelectAll { |
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get { return comboBox.Text.Length > 0; } |
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} |
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public void Cut() { ClipboardWrapper.SetText(comboBox.SelectedText); comboBox.SelectedText = ""; } |
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public void Copy() { ClipboardWrapper.SetText(comboBox.SelectedText); } |
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public void Paste() { comboBox.SelectedText = ClipboardWrapper.GetText(); } |
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public void Delete() { comboBox.SelectedText = ""; } |
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public void SelectAll() { comboBox.SelectAll(); } |
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} |
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#endregion
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/// <summary>
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/// Gets/Sets whether the windows forms control will be disposed
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/// when the WindowsFormsHost is disposed.
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/// The default value is true.
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/// </summary>
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/// <remarks>
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/// The default WindowsFormsHost disposes its child when the WPF application shuts down,
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/// but some events in SharpDevelop occur after the WPF shutdown (e.g. SolutionClosed), so we must
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/// not dispose pads that could still be handling them.
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/// </remarks>
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public bool DisposeChild { get; set; } |
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protected override void Dispose(bool disposing) |
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{ |
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if (disposing && !this.DisposeChild && Child != null) { |
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// prevent child from being disposed
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Child = null; |
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} |
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base.Dispose(disposing); |
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} |
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} |
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} |
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