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/*******************************************************************************
* Copyright (c) 2000, 2006 QNX Software Systems and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* QNX Software Systems - Initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.internal.ui.editor;
import org.eclipse.cdt.core.model.ICElement;
import org.eclipse.cdt.internal.ui.util.IProblemChangedListener;
import org.eclipse.cdt.internal.ui.viewsupport.CElementImageProvider;
import org.eclipse.cdt.internal.ui.viewsupport.CUILabelProvider;
import org.eclipse.cdt.internal.ui.viewsupport.ProblemsLabelDecorator;
import org.eclipse.cdt.ui.CUIPlugin;
import org.eclipse.core.resources.IResource;
import org.eclipse.jface.util.Assert;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IEditorInput;
/**
* The <code>JavaEditorErrorTickUpdater</code> will register as a AnnotationModelListener
* on the annotation model of a Java Editor and update the title images when the annotation
* model changed.
*/
public class CEditorErrorTickUpdater implements IProblemChangedListener {
protected CEditor fCEditor;
private CUILabelProvider fLabelProvider;
public CEditorErrorTickUpdater(CEditor editor) {
Assert.isNotNull(editor);
fCEditor= editor;
fLabelProvider= new CUILabelProvider(0, CElementImageProvider.SMALL_ICONS);
fLabelProvider.addLabelDecorator(new ProblemsLabelDecorator(null));
CUIPlugin.getDefault().getProblemMarkerManager().addListener(this);
}
/* (non-Javadoc)
* @see IProblemChangedListener#problemsChanged(IResource[], boolean)
*/
public void problemsChanged(IResource[] resourcesChanged, boolean isMarkerChange) {
if (isMarkerChange) {
return;
}
IEditorInput input= fCEditor.getEditorInput();
if (input != null) { // might run async, tests needed
ICElement celement= (ICElement) input.getAdapter(ICElement.class);
if (celement != null) {
IResource resource= celement.getResource();
if (resource == null) {
return;
}
for (int i = 0; i < resourcesChanged.length; i++){
if (resource.equals(resourcesChanged[i])) {
updateEditorImage(celement);
return;
}
}
}
}
}
public void updateEditorImage(ICElement celement) {
Image titleImage= fCEditor.getTitleImage();
if (titleImage == null) {
return;
}
Image newImage= fLabelProvider.getImage(celement);
if (titleImage != newImage) {
postImageChange(newImage);
}
}
private void postImageChange(final Image newImage) {
Shell shell= fCEditor.getEditorSite().getShell();
if (shell != null && !shell.isDisposed()) {
shell.getDisplay().syncExec(new Runnable() {
public void run() {
fCEditor.updatedTitleImage(newImage);
}
});
}
}
public void dispose() {
fLabelProvider.dispose();
CUIPlugin.getDefault().getProblemMarkerManager().removeListener(this);
}
}
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