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Viewing changes to systemtap/org.eclipse.linuxtools.systemtap.ui.editor/src/org/eclipse/linuxtools/internal/systemtap/ui/editor/actions/EditorAction.java

  • Committer: Package Import Robot
  • Author(s): Jakub Adam
  • Date: 2012-06-29 12:07:30 UTC
  • Revision ID: package-import@ubuntu.com-20120629120730-bfri1xys1i71dpn6
Tags: upstream-1.0.0
Import upstream version 1.0.0

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systemtap/org.eclipse.linuxtools.systemtap.ui.editor/src/org/eclipse/linuxtools/internal/systemtap/ui/editor/actions/EditorAction.java
 
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/*******************************************************************************
 
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 * Copyright (c) 2006 IBM Corporation.
 
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 * All rights reserved. This program and the accompanying materials
 
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 * are made available under the terms of the Eclipse Public License v1.0
 
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 * which accompanies this distribution, and is available at
 
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 * http://www.eclipse.org/legal/epl-v10.html
 
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 *
 
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 * Contributors:
 
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 *     IBM Corporation - Jeff Briggs, Henry Hughes, Ryan Morse
 
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 *******************************************************************************/
 
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package org.eclipse.linuxtools.internal.systemtap.ui.editor.actions;
 
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import org.eclipse.jface.action.Action;
 
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import org.eclipse.jface.action.IAction;
 
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import org.eclipse.jface.viewers.ISelection;
 
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import org.eclipse.ui.IEditorPart;
 
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import org.eclipse.ui.IWorkbenchPage;
 
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import org.eclipse.ui.IWorkbenchWindow;
 
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import org.eclipse.ui.IWorkbenchWindowActionDelegate;
 
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import org.eclipse.ui.PlatformUI;
 
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public abstract class EditorAction extends Action implements IWorkbenchWindowActionDelegate {
 
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        public EditorAction() {
 
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                super();
 
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                setEnabled(true);
 
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        }
 
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        public void init(IWorkbenchWindow window) {
 
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                this.window = window;
 
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        }
 
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        protected void updateState() {
 
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                IEditorPart editor = getActiveEditor();
 
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                setEnabled(editor != null && editor.isDirty());
 
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        }
 
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        protected IWorkbenchWindow getWorkbenchWindow() {
 
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                return PlatformUI.getWorkbench().getActiveWorkbenchWindow();
 
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        }
 
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        protected IWorkbenchPage getActivePage() {
 
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                return getWorkbenchWindow().getActivePage();
 
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        }
 
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        protected IEditorPart getActiveEditor() {
 
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                return getActivePage().getActiveEditor();
 
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        }
 
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        public void selectionChanged(IAction act, ISelection select) {
 
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                action = act;
 
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                buildEnablementChecks();
 
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        }
 
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        protected void buildEnablementChecks() {
 
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                setEnablement(true);
 
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        }
 
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        protected void setEnablement(boolean enabled) {
 
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                action.setEnabled(enabled);
 
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        }
 
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        public void dispose() {
 
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                window = null;
 
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                action = null;
 
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        }
 
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        protected IWorkbenchWindow window;
 
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        protected IAction action;
 
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}