/*******************************************************************************
* Copyright (c) 2012 Red Hat, Inc.
* Distributed under license by Red Hat, Inc. All rights reserved.
* This program is 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:
* Red Hat, Inc. - initial API and implementation
******************************************************************************/
package org.jboss.tools.common.editor;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.Assert;
import org.eclipse.jdt.internal.ui.JavaPlugin;
import org.eclipse.jdt.internal.ui.viewsupport.IProblemChangedListener;
import org.eclipse.jdt.internal.ui.viewsupport.JavaElementImageProvider;
import org.eclipse.jdt.internal.ui.viewsupport.JavaUILabelProvider;
import org.eclipse.jdt.ui.ProblemsLabelDecorator;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IFileEditorInput;
public class ObjectEditorErrorTickUpdater implements IProblemChangedListener {
private ObjectMultiPageEditor fJavaEditor;
private JavaUILabelProvider fLabelProvider;
public ObjectEditorErrorTickUpdater(ObjectMultiPageEditor editor) {
Assert.isNotNull(editor);
fJavaEditor= editor;
fLabelProvider= new JavaUILabelProvider(0, JavaElementImageProvider.SMALL_ICONS);
fLabelProvider.addLabelDecorator(new ProblemsLabelDecorator(null));
JavaPlugin.getDefault().getProblemMarkerManager().addListener(this);
}
/*
* @see IProblemChangedListener#problemsChanged(IResource[], boolean)
*/
public void problemsChanged(IResource[] changedResources, boolean isMarkerChange) {
if (!isMarkerChange)
return;
IEditorInput input= fJavaEditor.getEditorInput();
if (input instanceof IFileEditorInput) {
IFile resource = ((IFileEditorInput)input).getFile();
if (resource != null) {
for (int i = 0; i < changedResources.length; i++) {
if (changedResources[i].equals(resource)) {
updateEditorImage(resource);
}
}
}
}
}
public void updateEditorImage(IFile jelement) {
Image titleImage= fJavaEditor.getTitleImage();
if (titleImage == null) {
return;
}
Image newImage = fLabelProvider.getImage(jelement);
if (titleImage != newImage) {
postImageChange(newImage);
}
}
private void postImageChange(final Image newImage) {
Shell shell= fJavaEditor.getEditorSite().getShell();
if (shell != null && !shell.isDisposed()) {
shell.getDisplay().syncExec(new Runnable() {
public void run() {
fJavaEditor.updatedTitleImage(newImage);
}
});
}
}
public void dispose() {
fLabelProvider.dispose();
JavaPlugin.getDefault().getProblemMarkerManager().removeListener(this);
}
}