windowactiveevaluator.cs

来自「SharpDevelop2.0.0 c#开发免费工具」· CS 代码 · 共 64 行

// <file>
//     <copyright see="prj:///doc/copyright.txt"/>
//     <license see="prj:///doc/license.txt"/>
//     <owner name="Mike Krüger" email="[e-mail]"/>
//     <version>$Revision: 915 $</version>
// </file>

using System;
using System.Xml;


using ICSharpCode.Core;
using ICSharpCode.SharpDevelop.Gui;

namespace ICSharpCode.Core
{
	/// <summary>
	/// Tests if the current workbench window is a specified type or implements an interface.
	/// </summary>
	/// <attribute name="activewindow">
	/// The fully qualified name of the type the active window should be or the
	/// interface name it should implement.
	/// "*" to test if any window is active.
	/// </attribute>
	/// <example title="Test if the current window is a text editor">
	/// &lt;Condition name="WindowActive" activewindow="ICSharpCode.SharpDevelop.DefaultEditor.Gui.Editor.ITextEditorControlProvider"&gt;
	/// </example>
	/// <example title="Test if any window is active">
	/// &lt;Condition name="WindowActive" activewindow="*"&gt;
	/// </example>
	public class WindowActiveConditionEvaluator : IConditionEvaluator
	{
		public bool IsValid(object caller, Condition condition)
		{
			if (WorkbenchSingleton.Workbench == null) {
				return false;
			}
			
			string activewindow = condition.Properties["activewindow"];
			
			if (activewindow == "*") {
				return WorkbenchSingleton.Workbench.ActiveWorkbenchWindow != null;
			}
			
			if (WorkbenchSingleton.Workbench.ActiveWorkbenchWindow == null || WorkbenchSingleton.Workbench.ActiveWorkbenchWindow.ActiveViewContent == null) {
				return false;
			}
			
			Type currentType = WorkbenchSingleton.Workbench.ActiveWorkbenchWindow.ActiveViewContent.GetType();
			if (currentType.FullName == activewindow)
				return true;
			foreach (Type interf in currentType.GetInterfaces()) {
				if (interf.FullName == activewindow)
					return true;
			}
			while ((currentType = currentType.BaseType) != null) {
				if (currentType.FullName == activewindow)
					return true;
			}
			return false;
		}
	}
}