net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/JavaEditorErrorTickUpdater.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.phpeditor;
  12
  13 import net.sourceforge.phpdt.core.IJavaElement;
  14 import net.sourceforge.phpdt.internal.ui.viewsupport.IProblemChangedListener;
  15 import net.sourceforge.phpdt.internal.ui.viewsupport.JavaElementImageProvider;
  16 import net.sourceforge.phpdt.internal.ui.viewsupport.JavaUILabelProvider;
  17 import net.sourceforge.phpdt.ui.ProblemsLabelDecorator;
  18 import net.sourceforge.phpeclipse.PHPeclipsePlugin;
  19
  20 import org.eclipse.core.resources.IResource;
  21 //incastrix
  22 //import org.eclipse.jface.text.Assert;
  23 import org.eclipse.core.runtime.Assert;
  24 import org.eclipse.swt.graphics.Image;
  25 import org.eclipse.swt.widgets.Shell;
  26 import org.eclipse.ui.IEditorInput;
  27
  28 /**
  29  * The <code>JavaEditorErrorTickUpdater</code> will register as a
  30  * IProblemChangedListener to listen on problem changes of the editor's input.
  31  * It updates the title images when the annotation model changed.
  32  */
  33 public class JavaEditorErrorTickUpdater implements IProblemChangedListener {
  34
  35         private PHPEditor fJavaEditor;
  36
  37         private JavaUILabelProvider fLabelProvider;
  38
  39         public JavaEditorErrorTickUpdater(PHPEditor editor) {
  40                 Assert.isNotNull(editor);
  41                 fJavaEditor = editor;
  42                 fLabelProvider = new JavaUILabelProvider(0,
  43                                 JavaElementImageProvider.SMALL_ICONS);
  44                 fLabelProvider.addLabelDecorator(new ProblemsLabelDecorator(null));
  45                 PHPeclipsePlugin.getDefault().getProblemMarkerManager().addListener(
  46                                 this);
  47         }
  48
  49         /*
  50          * (non-Javadoc)
  51          *
  52          * @see IProblemChangedListener#problemsChanged(IResource[], boolean)
  53          */
  54         public void problemsChanged(IResource[] changedResources,
  55                         boolean isMarkerChange) {
  56                 if (isMarkerChange) {
  57                         return;
  58                 }
  59                 IEditorInput input = fJavaEditor.getEditorInput();
  60                 if (input != null) { // might run async, tests needed
  61                         IJavaElement jelement = (IJavaElement) input
  62                                         .getAdapter(IJavaElement.class);
  63                         if (jelement != null) {
  64                                 IResource resource = jelement.getResource();
  65                                 for (int i = 0; i < changedResources.length; i++) {
  66                                         if (changedResources[i].equals(resource)) {
  67                                                 updateEditorImage(jelement);
  68                                         }
  69                                 }
  70                         }
  71                 }
  72         }
  73
  74         public void updateEditorImage(IJavaElement jelement) {
  75                 Image titleImage = fJavaEditor.getTitleImage();
  76                 if (titleImage == null) {
  77                         return;
  78                 }
  79                 Image newImage = fLabelProvider.getImage(jelement);
  80                 if (titleImage != newImage) {
  81                         postImageChange(newImage);
  82                 }
  83         }
  84
  85         private void postImageChange(final Image newImage) {
  86                 Shell shell = fJavaEditor.getEditorSite().getShell();
  87                 if (shell != null && !shell.isDisposed()) {
  88                         shell.getDisplay().syncExec(new Runnable() {
  89                                 public void run() {
  90                                         fJavaEditor.updatedTitleImage(newImage);
  91                                 }
  92                         });
  93                 }
  94         }
  95
  96         public void dispose() {
  97                 fLabelProvider.dispose();
  98                 PHPeclipsePlugin.getDefault().getProblemMarkerManager().removeListener(
  99                                 this);
 100         }
 101
 102 }