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/*******************************************************************************
* Copyright (c) 2012 Wind River Systems, Inc. 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:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.tcf.te.ui.views.categories;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.Platform;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.swt.graphics.Image;
import org.eclipse.tcf.te.runtime.extensions.ExecutableExtension;
import org.eclipse.tcf.te.runtime.interfaces.IDisposable;
import org.eclipse.tcf.te.ui.views.Managers;
import org.eclipse.tcf.te.ui.views.interfaces.ICategory;
import org.eclipse.tcf.te.ui.views.interfaces.categories.ICategorizable;
import org.eclipse.ui.IMemento;
import org.eclipse.ui.IPersistableElement;
import org.eclipse.ui.plugin.AbstractUIPlugin;
/**
* Default category implementation.
*/
public class Category extends ExecutableExtension implements ICategory, IDisposable, IPersistableElement {
// The category image / image descriptor
private ImageDescriptor descriptor = null;
private Image image = null;
// The sorting rank
private int rank = -1;
/* (non-Javadoc)
* @see org.eclipse.tcf.te.runtime.extensions.ExecutableExtension#setInitializationData(org.eclipse.core.runtime.IConfigurationElement, java.lang.String, java.lang.Object)
*/
@Override
public void setInitializationData(IConfigurationElement config, String propertyName, Object data) throws CoreException {
super.setInitializationData(config, propertyName, data);
// Read the icon attribute and create the image
String attrIcon = config.getAttribute("icon");//$NON-NLS-1$
if (attrIcon != null) {
descriptor = AbstractUIPlugin.imageDescriptorFromPlugin(config.getNamespaceIdentifier(), attrIcon);
if (descriptor != null) {
image = JFaceResources.getResources().createImageWithDefault(descriptor);
}
}
// Read the rank attribute
String attrRank = config.getAttribute("rank"); //$NON-NLS-1$
if (attrRank != null) {
try {
rank = Integer.valueOf(attrRank).intValue();
} catch (NumberFormatException e) { /* ignored on purpose */ }
}
}
/*
* (non-Javadoc)
* @see org.eclipse.core.runtime.PlatformObject#getAdapter(java.lang.Class)
*/
@Override
public Object getAdapter(Class adapter) {
if(adapter == IPersistableElement.class) {
return this;
}
return super.getAdapter(adapter);
}
/*
* (non-Javadoc)
* @see org.eclipse.ui.IPersistable#saveState(org.eclipse.ui.IMemento)
*/
@Override
public void saveState(IMemento memento) {
memento.putString("id", this.getId()); //$NON-NLS-1$
}
/*
* (non-Javadoc)
* @see org.eclipse.ui.IPersistableElement#getFactoryId()
*/
@Override
public String getFactoryId() {
return "org.eclipse.tcf.te.ui.views.categoryFactory"; //$NON-NLS-1$
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.runtime.interfaces.IDisposable#dispose()
*/
@Override
public void dispose() {
if (descriptor != null) {
JFaceResources.getResources().destroyImage(descriptor);
descriptor = null;
}
image = null;
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.ui.views.interfaces.ICategory#getImage()
*/
@Override
public Image getImage() {
return image;
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.ui.views.interfaces.ICategory#getRank()
*/
@Override
public int getRank() {
return rank;
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.ui.views.interfaces.ICategory#belongsTo(java.lang.Object)
*/
@Override
public boolean belongsTo(Object element) {
ICategorizable categorizable = null;
if (element instanceof IAdaptable) {
categorizable = (ICategorizable)((IAdaptable)element).getAdapter(ICategorizable.class);
}
if (categorizable == null) {
categorizable = (ICategorizable)Platform.getAdapterManager().getAdapter(element, ICategorizable.class);
}
return categorizable != null ? Managers.getCategoryManager().belongsTo(getId(), categorizable.getId()) : false;
}
/* (non-Javadoc)
* @see java.lang.Object#toString()
*/
@Override
public String toString() {
StringBuffer buffer = new StringBuffer(getLabel());
buffer.append(" ["); //$NON-NLS-1$
buffer.append(getId());
buffer.append("] {rank="); //$NON-NLS-1$
buffer.append(getRank());
buffer.append("}"); //$NON-NLS-1$
return buffer.toString();
}
}
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