Update of /cvsroot/hibernate/HibernateExt/org.hibernate.eclipse.console/src/org/hibernate/eclipse/console/workbench/xpl
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv9420/src/org/hibernate/eclipse/console/workbench/xpl
Added Files:
AnyAdaptableLabelProvider.java
Log Message:
fix license issues
--- NEW FILE: AnyAdaptableLabelProvider.java ---
/*******************************************************************************
* Copyright (c) 2000, 2005, 2006 IBM Corporation, JBoss 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:
* IBM Corporation - initial API and implementation
* Max Rydahl Andersen, JBoss Inc. - Adapted to not be tied to WorkBenchAdaptable
*******************************************************************************/
package org.hibernate.eclipse.console.workbench.xpl;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.Platform;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.DecoratingLabelProvider;
import org.eclipse.jface.viewers.IColorProvider;
import org.eclipse.jface.viewers.IFontProvider;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.LabelProviderChangedEvent;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.FontData;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.IEditorRegistry;
import org.eclipse.ui.IPropertyListener;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.internal.util.SWTResourceUtil;
import org.eclipse.ui.model.IWorkbenchAdapter;
import org.eclipse.ui.model.IWorkbenchAdapter2;
/**
* LabelProvider based on WorkBenchLabelProvider that is not limited to WorkBench elements.
*
* @author Max Rydahl Andersen
*
*/
public class AnyAdaptableLabelProvider extends LabelProvider implements
IColorProvider, IFontProvider {
/**
* Returns a workbench label provider that is hooked up to the decorator
* mechanism.
*
* @return a new <code>DecoratingLabelProvider</code> which wraps a <code>
* new <code>WorkbenchLabelProvider</code>
*/
public static ILabelProvider getDecoratingWorkbenchLabelProvider() {
return new DecoratingLabelProvider(new AnyAdaptableLabelProvider(),
PlatformUI.getWorkbench().getDecoratorManager()
.getLabelDecorator());
}
/**
* Listener that tracks changes to the editor registry and does a full update
* when it changes, since many workbench adapters derive their icon from the file
* associations in the registry.
*/
private IPropertyListener editorRegistryListener = new IPropertyListener() {
public void propertyChanged(Object source, int propId) {
if (propId == IEditorRegistry.PROP_CONTENTS) {
fireLabelProviderChanged(new LabelProviderChangedEvent(AnyAdaptableLabelProvider.this));
}
}
};
/**
* Creates a new workbench label provider.
*/
public AnyAdaptableLabelProvider() {
PlatformUI.getWorkbench().getEditorRegistry().addPropertyListener(editorRegistryListener);
}
/**
* Returns an image descriptor that is based on the given descriptor,
* but decorated with additional information relating to the state
* of the provided object.
*
* Subclasses may reimplement this method to decorate an object's
* image.
*
* @param input The base image to decorate.
* @param element The element used to look up decorations.
* @return the resuling ImageDescriptor.
* @see org.eclipse.jface.resource.CompositeImageDescriptor
*/
protected ImageDescriptor decorateImage(ImageDescriptor input,
Object element) {
return input;
}
/**
* Returns a label that is based on the given label,
* but decorated with additional information relating to the state
* of the provided object.
*
* Subclasses may implement this method to decorate an object's
* label.
* @param input The base text to decorate.
* @param element The element used to look up decorations.
* @return the resulting text
*/
protected String decorateText(String input, Object element) {
return input;
}
/* (non-Javadoc)
* Method declared on ILabelProvider
*/
public void dispose() {
PlatformUI.getWorkbench().getEditorRegistry().removePropertyListener(editorRegistryListener);
super.dispose();
}
/**
* Returns the implementation of IWorkbenchAdapter for the given
* object.
* @param o the object to look up.
* @return IWorkbenchAdapter or<code>null</code> if the adapter is not defined or the
* object is not adaptable.
*/
protected final IWorkbenchAdapter getAdapter(Object o) {
if (o instanceof IAdaptable) {
return (IWorkbenchAdapter) ((IAdaptable) o).getAdapter(IWorkbenchAdapter.class);
} else {
return (IWorkbenchAdapter) Platform.getAdapterManager().getAdapter(o, IWorkbenchAdapter.class);
}
}
/**
* Returns the implementation of IWorkbenchAdapter2 for the given
* object.
* @param o the object to look up.
* @return IWorkbenchAdapter2 or<code>null</code> if the adapter is not defined or the
* object is not adaptable.
*/
protected final IWorkbenchAdapter2 getAdapter2(Object o) {
if (o instanceof IAdaptable) {
return (IWorkbenchAdapter2) ((IAdaptable) o).getAdapter(IWorkbenchAdapter2.class);
} else {
return (IWorkbenchAdapter2) Platform.getAdapterManager().getAdapter(o, IWorkbenchAdapter2.class);
}
}
/* (non-Javadoc)
* Method declared on ILabelProvider
*/
public final Image getImage(Object element) {
//obtain the base image by querying the element
IWorkbenchAdapter adapter = getAdapter(element);
if (adapter == null) {
return null;
}
ImageDescriptor descriptor = adapter.getImageDescriptor(element);
if (descriptor == null) {
return null;
}
//add any annotations to the image descriptor
descriptor = decorateImage(descriptor, element);
Image image = (Image) SWTResourceUtil.getImageTable().get(descriptor);
if (image == null) {
image = descriptor.createImage();
SWTResourceUtil.getImageTable().put(descriptor, image);
}
return image;
}
/* (non-Javadoc)
* Method declared on ILabelProvider
*/
public final String getText(Object element) {
//query the element for its label
IWorkbenchAdapter adapter = getAdapter(element);
if (element instanceof String) {
return (String) element;
}
if (adapter == null) {
return "Unknown: " + element.getClass().getName(); //$NON-NLS-1$
}
String label = adapter.getLabel(element);
//return the decorated label
return decorateText(label, element);
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IColorProvider#getForeground(java.lang.Object)
*/
public Color getForeground(Object element) {
return getColor(element, true);
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IColorProvider#getBackground(java.lang.Object)
*/
public Color getBackground(Object element) {
return getColor(element, false);
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IFontProvider#getFont(java.lang.Object)
*/
public Font getFont(Object element) {
IWorkbenchAdapter2 adapter = getAdapter2(element);
if (adapter == null) {
return null;
}
FontData descriptor = adapter.getFont(element);
if (descriptor == null) {
return null;
}
Font font = (Font) SWTResourceUtil.getFontTable().get(descriptor);
if (font == null) {
font = new Font(Display.getCurrent(), descriptor);
SWTResourceUtil.getFontTable().put(descriptor, font);
}
return font;
}
private Color getColor(Object element, boolean forground) {
IWorkbenchAdapter2 adapter = getAdapter2(element);
if (adapter == null) {
return null;
}
RGB descriptor = forground ? adapter.getForeground(element) : adapter
.getBackground(element);
if (descriptor == null) {
return null;
}
Color color = (Color) SWTResourceUtil.getColorTable().get(descriptor);
if (color == null) {
color = new Color(Display.getCurrent(), descriptor);
SWTResourceUtil.getColorTable().put(descriptor, color);
}
return color;
}
}
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