JavaElementImageDescriptor.java

/*******************************************************************************
 * Copyright (c) 2000, 2013 IBM Corporation 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
 *******************************************************************************/
package org.eclipse.jdt.ui;


import org.eclipse.core.runtime.Assert;
import org.eclipse.jface.resource.ImageDescriptor;

/**
 * A {@link JavaElementImageDescriptor} 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
 *{@link #setAdornments(int)}.
 *
 * <p>
 * This class may be instantiated; it is not intended to be subclassed.
 * </p>
 *
 * @since 2.0
 *
 * @noextend This class is not intended to be subclassed by clients.
 */
public class JavaElementImageDescriptor extends ImageDescriptor {

	/** 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 warning 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;

	/**
	 * Flag to render the 'deprecated' adornment.
	 * @since 3.0
	 */
	public final static int DEPRECATED = 0x400;

	/**
	 * Flag to render the 'volatile' adornment.
	 * @since 3.3
	 */
	public final static int VOLATILE = 0x800;

	/**
	 * Flag to render the 'transient' adornment.
	 * @since 3.3
	 */
	public final static int TRANSIENT = 0x1000;

	/**
	 * Flag to render the build path error adornment.
	 * @since 3.7
	 */
	public final static int BUILDPATH_ERROR = 0x2000;

	/**
	 * Flag to render the 'native' adornment.
	 * @since 3.7
	 */
	public final static int NATIVE = 0x4000;

	/**
	 * Flag to render the 'ignore optional compile problems' adornment.
	 * @since 3.8
	 */
	public final static int IGNORE_OPTIONAL_PROBLEMS = 0x8000;

	/**
	 * Flag to render the 'default' method adornment.
	 *
	 * @since 3.10
	 */
	public final static int DEFAULT_METHOD = 0x10000;

	/**
	 * Flag to render the 'default' annotation adornment.
	 *
	 * @since 3.10
	 */
	public final static int ANNOTATION_DEFAULT = 0x20000;

	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 {@link #setAdornments(int)}
	 * 	for valid values.
	 */
	public JavaElementImageDescriptor(ImageDescriptor baseImage, int flags) {
		super(baseImage.getImage());
		fBaseImage = baseImage;
		Assert.isNotNull(fBaseImage);
		fFlags = flags;
		Assert.isTrue(fFlags >= 0);
//		fSize = size;
//		Assert.isNotNull(fSize);
	}

	/**
	 * Sets the descriptors adornments. Valid values are: {@link #ABSTRACT}, {@link #FINAL},
	 * {@link #SYNCHRONIZED}, {@link #STATIC}, {@link #RUNNABLE}, {@link #WARNING},
	 * {@link #ERROR}, {@link #OVERRIDES}, {@link #IMPLEMENTS}, {@link #CONSTRUCTOR},
	 * {@link #DEPRECATED}, {@link #VOLATILE}, {@link #TRANSIENT}, {@link #BUILDPATH_ERROR},
	 * {@link #NATIVE}, or any combination of those.
	 *
	 * @param adornments the image descriptors 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 {@link #createImage()}.
//	 *
//	 * @param size the size of the image returned from calling {@link #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 {@link #createImage()}.
//	 *
//	 * @return the size of the image created by calling {@link #createImage()}
//	 */
//	public Point getImageSize() {
//		return new Point(fSize.x, fSize.y);
//	}

//	/* (non-Javadoc)
//	 * Method declared in CompositeImageDescriptor
//	 */
//	@Override
//	protected Point getSize() {
//		return fSize;
//	}
//
//	/* (non-Javadoc)
//	 * Method declared on Object.
//	 */
//	@Override
//	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.
//	 */
//	@Override
//	public int hashCode() {
//		return fBaseImage.hashCode() | fFlags | fSize.hashCode();
//	}

//	/* (non-Javadoc)
//	 * Method declared in CompositeImageDescriptor
//	 */
//	@Override
//	protected void drawCompositeImage(int width, int height) {
//		ImageData bg= getImageData(fBaseImage);
//
//		if ((fFlags & DEPRECATED) != 0) { // draw *behind* the full image
//			Point size= getSize();
//			ImageData data= getImageData(JavaPluginImages.DESC_OVR_DEPRECATED);
//			drawImage(data, 0, size.y - data.height);
//		}
//		drawImage(bg, 0, 0);
//
//		drawTopRight();
//		drawBottomRight();
//		drawBottomLeft();
//
//
//	}
//
//	private ImageData getImageData(ImageDescriptor descriptor) {
//		ImageData data= descriptor.getImageData(); // see bug 51965: getImageData can return null
//		if (data == null) {
//			data= DEFAULT_IMAGE_DATA;
//			JavaPlugin.logErrorMessage("Image data not available: " + descriptor.toString()); //$NON-NLS-1$
//		}
//		return data;
//	}
//
//	private void addTopRightImage(ImageDescriptor desc, Point pos) {
//		ImageData data= getImageData(desc);
//		int x= pos.x - data.width;
//		if (x >= 0) {
//			drawImage(data, x, pos.y);
//			pos.x= x;
//		}
//	}
//
//	private void addBottomRightImage(ImageDescriptor desc, Point pos) {
//		ImageData data= getImageData(desc);
//		int x= pos.x - data.width;
//		int y= pos.y - data.height;
//		if (x >= 0 && y >= 0) {
//			drawImage(data, x, y);
//			pos.x= x;
//		}
//	}
//
//	private void addBottomLeftImage(ImageDescriptor desc, Point pos) {
//		ImageData data= getImageData(desc);
//		int x= pos.x;
//		int y= pos.y - data.height;
//		if (x + data.width < getSize().x && y >= 0) {
//			drawImage(data, x, y);
//			pos.x= x + data.width;
//		}
//	}
//
//
//	private void drawTopRight() {
//		Point pos= new Point(getSize().x, 0);
//		if ((fFlags & ABSTRACT) != 0) {
//			addTopRightImage(JavaPluginImages.DESC_OVR_ABSTRACT, pos);
//		}
//		if ((fFlags & CONSTRUCTOR) != 0) {
//			addTopRightImage(JavaPluginImages.DESC_OVR_CONSTRUCTOR, pos);
//		}
//		if ((fFlags & FINAL) != 0) {
//			addTopRightImage(JavaPluginImages.DESC_OVR_FINAL, pos);
//		}
//		if ((fFlags & VOLATILE) != 0) {
//			addTopRightImage(JavaPluginImages.DESC_OVR_VOLATILE, pos);
//		}
//		if ((fFlags & STATIC) != 0) {
//			addTopRightImage(JavaPluginImages.DESC_OVR_STATIC, pos);
//		}
//		if ((fFlags & NATIVE) != 0) {
//			addTopRightImage(JavaPluginImages.DESC_OVR_NATIVE, pos);
//		}
//		if ((fFlags & DEFAULT_METHOD) != 0) {
//			addTopRightImage(JavaPluginImages.DESC_OVR_ANNOTATION_DEFAULT_METHOD, pos);
//		}
//		if ((fFlags & ANNOTATION_DEFAULT) != 0) {
//			addTopRightImage(JavaPluginImages.DESC_OVR_ANNOTATION_DEFAULT_METHOD, pos);
//		}
//	}
//
//	private void drawBottomRight() {
//		Point size= getSize();
//		Point pos= new Point(size.x, size.y);
//
//		int flags= fFlags;
//
//		int syncAndOver= SYNCHRONIZED | OVERRIDES;
//		int syncAndImpl= SYNCHRONIZED | IMPLEMENTS;
//
//		// methods:
//		if ((flags & syncAndOver) == syncAndOver) { // both flags set: merged overlay image
//			addBottomRightImage(JavaPluginImages.DESC_OVR_SYNCH_AND_OVERRIDES, pos);
//			flags &= ~syncAndOver; // clear to not render again
//		} else if ((flags & syncAndImpl) == syncAndImpl) { // both flags set: merged overlay image
//			addBottomRightImage(JavaPluginImages.DESC_OVR_SYNCH_AND_IMPLEMENTS, pos);
//			flags &= ~syncAndImpl; // clear to not render again
//		}
//		if ((flags & OVERRIDES) != 0) {
//			addBottomRightImage(JavaPluginImages.DESC_OVR_OVERRIDES, pos);
//		}
//		if ((flags & IMPLEMENTS) != 0) {
//			addBottomRightImage(JavaPluginImages.DESC_OVR_IMPLEMENTS, pos);
//		}
//		if ((flags & SYNCHRONIZED) != 0) {
//			addBottomRightImage(JavaPluginImages.DESC_OVR_SYNCH, pos);
//		}
//
//		// types:
//		if ((flags & RUNNABLE) != 0) {
//			addBottomRightImage(JavaPluginImages.DESC_OVR_RUN, pos);
//		}
//
//		// fields:
//		if ((flags & TRANSIENT) != 0) {
//			addBottomRightImage(JavaPluginImages.DESC_OVR_TRANSIENT, pos);
//		}
//	}
//
//	private void drawBottomLeft() {
//		Point pos= new Point(0, getSize().y);
//		if ((fFlags & ERROR) != 0) {
//			addBottomLeftImage(JavaPluginImages.DESC_OVR_ERROR, pos);
//		}
//		if ((fFlags & BUILDPATH_ERROR) != 0) {
//			addBottomLeftImage(JavaPluginImages.DESC_OVR_BUILDPATH_ERROR, pos);
//		}
//		if ((fFlags & WARNING) != 0) {
//			addBottomLeftImage(JavaPluginImages.DESC_OVR_WARNING, pos);
//		}
//		if ((fFlags & IGNORE_OPTIONAL_PROBLEMS) != 0) {
//			addBottomLeftImage(JavaPluginImages.DESC_OVR_IGNORE_OPTIONAL_PROBLEMS, pos);
//		}
//
//	}
}