archive/net.sourceforge.phpeclipse.html.ui/src/net/sourceforge/phpeclipse/html/ui/internal/editor/HTMLEditorActionContributor.java

   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2003 IBM Corporation and others.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Common Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/cpl-v10.html
   7  *
   8  * Contributors:
   9  *     IBM Corporation - initial API and implementation
  10  *******************************************************************************/
  11 package net.sourceforge.phpeclipse.html.ui.internal.editor;
  12
  13 import net.sourceforge.phpeclipse.ui.editor.ShowExternalPreviewAction;
  14
  15 import org.eclipse.core.resources.IFile;
  16 import org.eclipse.ui.IEditorInput;
  17 import org.eclipse.ui.IEditorPart;
  18 import org.eclipse.ui.IFileEditorInput;
  19 import org.eclipse.ui.texteditor.BasicTextEditorActionContributor;
  20 import org.eclipse.ui.texteditor.ITextEditor;
  21
  22 /**
  23  * Common base class for action contributors for Java editors.
  24  */
  25 public class HTMLEditorActionContributor extends BasicTextEditorActionContributor {
  26
  27   /* (non-Javadoc)
  28    * @see org.eclipse.ui.IEditorActionBarContributor#setActiveEditor(org.eclipse.ui.IEditorPart)
  29    */
  30   public void setActiveEditor(IEditorPart part) {
  31     super.setActiveEditor(part);
  32     ITextEditor textEditor = null;
  33     if (part instanceof ITextEditor)
  34       textEditor = (ITextEditor) part;
  35
  36     if (textEditor != null) {
  37       IFile file = null;
  38       IEditorInput editorInput = textEditor.getEditorInput();
  39
  40       if (editorInput instanceof IFileEditorInput) {
  41         file = ((IFileEditorInput) editorInput).getFile();
  42       }
  43
  44       ShowExternalPreviewAction fShowExternalPreviewAction = ShowExternalPreviewAction.getInstance();
  45       fShowExternalPreviewAction.setEditor(textEditor);
  46       fShowExternalPreviewAction.update();
  47       if (fShowExternalPreviewAction != null)
  48         fShowExternalPreviewAction.doRun(ShowExternalPreviewAction.HTML_TYPE);
  49     }
  50   }
  51 }