net.sourceforge.phpeclipse.ui/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 import net.sourceforge.phpeclipse.ui.WebUI;
  20
  21 import org.eclipse.core.resources.IResource;
  22 //incastrix
  23 //import org.eclipse.jface.text.Assert;
  24 import org.eclipse.core.runtime.Assert;
  25 import org.eclipse.swt.graphics.Image;
  26 import org.eclipse.swt.widgets.Shell;
  27 import org.eclipse.ui.IEditorInput;
  28
  29 /**
  30  * The <code>JavaEditorErrorTickUpdater</code> will register as a
  31  * IProblemChangedListener to listen on problem changes of the editor's input.
  32  * It updates the title images when the annotation model changed.
  33  */
  34 public class JavaEditorErrorTickUpdater implements IProblemChangedListener {
  35
  36         private PHPEditor fJavaEditor;
  37
  38         private JavaUILabelProvider fLabelProvider;
  39
  40         public JavaEditorErrorTickUpdater(PHPEditor editor) {
  41                 Assert.isNotNull(editor);
  42                 fJavaEditor = editor;
  43                 fLabelProvider = new JavaUILabelProvider(0,
  44                                 JavaElementImageProvider.SMALL_ICONS);
  45                 fLabelProvider.addLabelDecorator(new ProblemsLabelDecorator(null));
  46                 WebUI.getDefault().getProblemMarkerManager().addListener(
  47                                 this);
  48         }
  49
  50         /*
  51          * (non-Javadoc)
  52          *
  53          * @see IProblemChangedListener#problemsChanged(IResource[], boolean)
  54          */
  55         public void problemsChanged(IResource[] changedResources,
  56                         boolean isMarkerChange) {
  57                 if (isMarkerChange) {
  58                         return;
  59                 }
  60                 IEditorInput input = fJavaEditor.getEditorInput();
  61                 if (input != null) { // might run async, tests needed
  62                         IJavaElement jelement = (IJavaElement) input
  63                                         .getAdapter(IJavaElement.class);
  64                         if (jelement != null) {
  65                                 IResource resource = jelement.getResource();
  66                                 for (int i = 0; i < changedResources.length; i++) {
  67                                         if (changedResources[i].equals(resource)) {
  68                                                 updateEditorImage(jelement);
  69                                         }
  70                                 }
  71                         }
  72                 }
  73         }
  74
  75         public void updateEditorImage(IJavaElement jelement) {
  76                 Image titleImage = fJavaEditor.getTitleImage();
  77                 if (titleImage == null) {
  78                         return;
  79                 }
  80                 Image newImage = fLabelProvider.getImage(jelement);
  81                 if (titleImage != newImage) {
  82                         postImageChange(newImage);
  83                 }
  84         }
  85
  86         private void postImageChange(final Image newImage) {
  87                 Shell shell = fJavaEditor.getEditorSite().getShell();
  88                 if (shell != null && !shell.isDisposed()) {
  89                         shell.getDisplay().syncExec(new Runnable() {
  90                                 public void run() {
  91                                         fJavaEditor.updatedTitleImage(newImage);
  92                                 }
  93                         });
  94                 }
  95         }
  96
  97         public void dispose() {
  98                 fLabelProvider.dispose();
  99                 WebUI.getDefault().getProblemMarkerManager().removeListener(
 100                                 this);
 101         }
 102
 103 }