/*******************************************************************************
* Copyright (c) 2007 Spring IDE Developers
* 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:
* Spring IDE Developers - initial API and implementation
*******************************************************************************/
package org.springframework.ide.eclipse.beans.ui.model;
import org.eclipse.jface.resource.CompositeImageDescriptor;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.ImageData;
import org.eclipse.swt.graphics.Point;
import org.springframework.ide.eclipse.beans.core.model.IBeansModelElement;
import org.springframework.ide.eclipse.beans.ui.BeansUIImages;
/**
* {@link CompositeImageDescriptor} that can be used to decorate
* {@link IBeansModelElement} with error and warning icons.
* @author Christian Dupuis
* @since 2.0.2
*/
class BeansModelImageDescriptor extends CompositeImageDescriptor {
public static final int FLAG_ERROR = 1 << 2;
public static final int FLAG_WARNING = 1 << 3;
private Image baseImage;
private Point size;
private int flags;
public BeansModelImageDescriptor(Image baseImage, IBeansModelElement state,
int flags) {
this.baseImage = baseImage;
this.size = getSize();
this.flags = flags;
}
protected Point getSize() {
if (size == null) {
ImageData data = baseImage.getImageData();
setSize(new Point(data.width, data.height));
}
return size;
}
protected void drawCompositeImage(int width, int height) {
ImageData background = baseImage.getImageData();
if (background == null) {
background = DEFAULT_IMAGE_DATA;
}
drawImage(background, 0, 0);
drawOverlays();
}
protected void drawOverlays() {
int x = 0;
int y = baseImage.getBounds().height / 2;
ImageData data = null;
if ((flags & FLAG_ERROR) != 0) {
data = BeansUIImages.DESC_OVR_ERROR.getImageData();
drawImage(data, x, y);
}
if ((flags & FLAG_WARNING) != 0) {
data = BeansUIImages.DESC_OVR_WARNING.getImageData();
drawImage(data, x, y);
}
}
/**
* @param size
*/
protected void setSize(Point size) {
this.size = size;
}
public int hashCode() {
return baseImage.hashCode() | flags | size.hashCode();
}
public boolean equals(final Object object) {
if (object == null
|| !BeansModelImageDescriptor.class.equals(object.getClass()))
return false;
BeansModelImageDescriptor other = (BeansModelImageDescriptor) object;
return (baseImage.equals(other.baseImage) && flags == other.flags
| size.equals(other.size));
}
public String toString() {
return baseImage.toString();
}
}