--- /dev/null
+/*******************************************************************************
+ * Copyright (c) 2000, 2003 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v10.html
+ *
+ * Contributors:
+ * IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package net.sourceforge.phpdt.ui;
+
+
+import org.eclipse.swt.graphics.ImageData;
+import org.eclipse.swt.graphics.Point;
+
+import org.eclipse.jface.resource.CompositeImageDescriptor;
+import org.eclipse.jface.resource.ImageDescriptor;
+import org.eclipse.jface.util.Assert;
+
+import net.sourceforge.phpdt.internal.ui.PHPUiImages;
+
+/**
+ * A JavaImageDescriptor consists of a base image and several adornments. The adornments
+ * are computed according to the flags either passed during creation or set via the method
+ * <code>setAdornments</code>.
+ *
+ * <p>
+ * This class may be instantiated; it is not intended to be subclassed.
+ * </p>
+ *
+ * @since 2.0
+ */
+public class JavaElementImageDescriptor extends CompositeImageDescriptor {
+
+ /** Flag to render the abstract adornment */
+ public final static int ABSTRACT= 0x001;
+
+ /** Flag to render the final adornment */
+ public final static int FINAL= 0x002;
+
+ /** Flag to render the synchronized adornment */
+ public final static int SYNCHRONIZED= 0x004;
+
+ /** Flag to render the static adornment */
+ public final static int STATIC= 0x008;
+
+ /** Flag to render the runnable adornment */
+ public final static int RUNNABLE= 0x010;
+
+ /** Flag to render the waring adornment */
+ public final static int WARNING= 0x020;
+
+ /** Flag to render the error adornment */
+ public final static int ERROR= 0x040;
+
+ /** Flag to render the 'override' adornment */
+ public final static int OVERRIDES= 0x080;
+
+ /** Flag to render the 'implements' adornment */
+ public final static int IMPLEMENTS= 0x100;
+
+ /** Flag to render the 'constructor' adornment */
+ public final static int CONSTRUCTOR= 0x200;
+
+ private ImageDescriptor fBaseImage;
+ private int fFlags;
+ private Point fSize;
+
+ /**
+ * Creates a new JavaElementImageDescriptor.
+ *
+ * @param baseImage an image descriptor used as the base image
+ * @param flags flags indicating which adornments are to be rendered. See <code>setAdornments</code>
+ * for valid values.
+ * @param size the size of the resulting image
+ * @see #setAdornments(int)
+ */
+ public JavaElementImageDescriptor(ImageDescriptor baseImage, int flags, Point size) {
+ fBaseImage= baseImage;
+ Assert.isNotNull(fBaseImage);
+ fFlags= flags;
+ Assert.isTrue(fFlags >= 0);
+ fSize= size;
+ Assert.isNotNull(fSize);
+ }
+
+ /**
+ * Sets the descriptors adornments. Valid values are: <code>ABSTRACT</code>, <code>FINAL</code>,
+ * <code>SYNCHRONIZED</code>, </code>STATIC<code>, </code>RUNNABLE<code>, </code>WARNING<code>,
+ * </code>ERROR<code>, </code>OVERRIDDES<code>, <code>IMPLEMENTS</code>, <code>CONSTRUCTOR</code>,
+ * or any combination of those.
+ *
+ * @param adornments the image descritpors adornments
+ */
+ public void setAdornments(int adornments) {
+ Assert.isTrue(adornments >= 0);
+ fFlags= adornments;
+ }
+
+ /**
+ * Returns the current adornments.
+ *
+ * @return the current adornments
+ */
+ public int getAdronments() {
+ return fFlags;
+ }
+
+ /**
+ * Sets the size of the image created by calling <code>createImage()</code>.
+ *
+ * @param size the size of the image returned from calling <code>createImage()</code>
+ * @see ImageDescriptor#createImage()
+ */
+ public void setImageSize(Point size) {
+ Assert.isNotNull(size);
+ Assert.isTrue(size.x >= 0 && size.y >= 0);
+ fSize= size;
+ }
+
+ /**
+ * Returns the size of the image created by calling <code>createImage()</code>.
+ *
+ * @return the size of the image created by calling <code>createImage()</code>
+ * @see ImageDescriptor#createImage()
+ */
+ public Point getImageSize() {
+ return new Point(fSize.x, fSize.y);
+ }
+
+ /* (non-Javadoc)
+ * Method declared in CompositeImageDescriptor
+ */
+ protected Point getSize() {
+ return fSize;
+ }
+
+ /* (non-Javadoc)
+ * Method declared on Object.
+ */
+ public boolean equals(Object object) {
+ if (object == null || !JavaElementImageDescriptor.class.equals(object.getClass()))
+ return false;
+
+ JavaElementImageDescriptor other= (JavaElementImageDescriptor)object;
+ return (fBaseImage.equals(other.fBaseImage) && fFlags == other.fFlags && fSize.equals(other.fSize));
+ }
+
+ /* (non-Javadoc)
+ * Method declared on Object.
+ */
+ public int hashCode() {
+ return fBaseImage.hashCode() | fFlags | fSize.hashCode();
+ }
+
+ /* (non-Javadoc)
+ * Method declared in CompositeImageDescriptor
+ */
+ protected void drawCompositeImage(int width, int height) {
+ ImageData bg;
+ if ((bg= fBaseImage.getImageData()) == null)
+ bg= DEFAULT_IMAGE_DATA;
+
+ drawImage(bg, 0, 0);
+ drawTopRight();
+ drawBottomRight();
+ drawBottomLeft();
+ }
+
+ private void drawTopRight() {
+ int x= getSize().x;
+ ImageData data= null;
+ if ((fFlags & ABSTRACT) != 0) {
+ data= PHPUiImages.DESC_OVR_ABSTRACT.getImageData();
+ x-= data.width;
+ drawImage(data, x, 0);
+ }
+ if ((fFlags & CONSTRUCTOR) != 0) {
+ data= PHPUiImages.DESC_OVR_CONSTRUCTOR.getImageData();
+ x-= data.width;
+ drawImage(data, x, 0);
+ }
+ if ((fFlags & FINAL) != 0) {
+ data= PHPUiImages.DESC_OVR_FINAL.getImageData();
+ x-= data.width;
+ drawImage(data, x, 0);
+ }
+ if ((fFlags & STATIC) != 0) {
+ data= PHPUiImages.DESC_OVR_STATIC.getImageData();
+ x-= data.width;
+ drawImage(data, x, 0);
+ }
+ }
+
+ private void drawBottomRight() {
+ Point size= getSize();
+ int x= size.x;
+ ImageData data= null;
+ if ((fFlags & OVERRIDES) != 0) {
+ data= PHPUiImages.DESC_OVR_OVERRIDES.getImageData();
+ x-= data.width;
+ drawImage(data, x, size.y - data.height);
+ }
+ if ((fFlags & IMPLEMENTS) != 0) {
+ data= PHPUiImages.DESC_OVR_IMPLEMENTS.getImageData();
+ x-= data.width;
+ drawImage(data, x, size.y - data.height);
+ }
+ if ((fFlags & SYNCHRONIZED) != 0) {
+ data= PHPUiImages.DESC_OVR_SYNCH.getImageData();
+ x-= data.width;
+ drawImage(data, x, size.y - data.height);
+ }
+ if ((fFlags & RUNNABLE) != 0) {
+ data= PHPUiImages.DESC_OVR_RUN.getImageData();
+ x-= data.width;
+ drawImage(data, x, size.y - data.height);
+ }
+ }
+
+ private void drawBottomLeft() {
+ Point size= getSize();
+ int x= 0;
+ ImageData data= null;
+ if ((fFlags & ERROR) != 0) {
+ data= PHPUiImages.DESC_OVR_ERROR.getImageData();
+ drawImage(data, x, size.y - data.height);
+ x+= data.width;
+ }
+ if ((fFlags & WARNING) != 0) {
+ data= PHPUiImages.DESC_OVR_WARNING.getImageData();
+ drawImage(data, x, size.y - data.height);
+ x+= data.width;
+ }
+ }
+}
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