/*******************************************************************************
* 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 org.epic.debug.ui;
import org.eclipse.jface.resource.CompositeImageDescriptor;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.swt.graphics.ImageData;
import org.eclipse.swt.graphics.Point;
/**
* A PerlImageDescriptor consists of a main icon and several adornments. The adornments
* are computed according to flags set on creation of the descriptor.
*/
public class PerlImageDescriptor extends CompositeImageDescriptor {
/** Flag to render the installed breakpoint adornment */
public final static int INSTALLED= 0x0004;
/** Flag to render the entry method breakpoint adornment */
public final static int ENTRY= 0x0008;
/** Flag to render the exit method breakpoint adornment */
public final static int EXIT= 0x0010;
/** Flag to render the enabled breakpoint adornment */
public final static int ENABLED= 0x0020;
/** Flag to render the conditional breakpoint adornment */
public final static int CONDITIONAL= 0x0040;
/** Flag to render the caught breakpoint adornment */
public final static int CAUGHT= 0x0080;
/** Flag to render the uncaught breakpoint adornment */
public final static int UNCAUGHT= 0x0100;
/** Flag to render the scoped breakpoint adornment */
public final static int SCOPED= 0x0200;
private ImageDescriptor fBaseImage;
private int fFlags;
private Point fSize;
/**
* Create a new PerlImageDescriptor.
*
* @param baseImage an image descriptor used as the base image
* @param flags flags indicating which adornments are to be rendered
*
*/
public PerlImageDescriptor(ImageDescriptor baseImage, int flags) {
setBaseImage(baseImage);
setFlags(flags);
}
/**
* @see CompositeImageDescriptor#getSize()
*/
protected Point getSize() {
if (fSize == null) {
ImageData data= getBaseImage().getImageData();
setSize(new Point(data.width, data.height));
}
return fSize;
}
/**
* @see Object#equals(java.lang.Object)
*/
public boolean equals(Object object) {
if (!(object instanceof PerlImageDescriptor)){
return false;
}
PerlImageDescriptor other= (PerlImageDescriptor)object;
return (getBaseImage().equals(other.getBaseImage()) && getFlags() == other.getFlags());
}
/**
* @see Object#hashCode()
*/
public int hashCode() {
return getBaseImage().hashCode() | getFlags();
}
/**
* @see CompositeImageDescriptor#drawCompositeImage(int, int)
*/
protected void drawCompositeImage(int width, int height) {
ImageData bg= getBaseImage().getImageData();
if (bg == null) {
bg= DEFAULT_IMAGE_DATA;
}
drawImage(bg, 0, 0);
drawBreakpointOverlays();
}
protected void drawBreakpointOverlays() {
int flags= getFlags();
int x= 0;
int y= 0;
ImageData data= null;
if ((flags & INSTALLED) != 0) {
x= 0;
y= getSize().y;
if ((flags & ENABLED) !=0) {
data= PerlDebugImages.DESC_OBJS_BREAKPOINT_INSTALLED.getImageData();
} else {
data= PerlDebugImages.DESC_OBJS_BREAKPOINT_INSTALLED_DISABLED.getImageData();
}
y -= data.height;
drawImage(data, x, y);
}
if ((flags & CAUGHT) != 0) {
if ((flags & ENABLED) !=0) {
data= PerlDebugImages.DESC_OBJS_CAUGHT_BREAKPOINT.getImageData();
} else {
data= PerlDebugImages.DESC_OBJS_CAUGHT_BREAKPOINT_DISABLED.getImageData();
}
x= 0;
y= 0;
drawImage(data, x, y);
}
if ((flags & UNCAUGHT) != 0) {
if ((flags & ENABLED) !=0) {
data= PerlDebugImages.DESC_OBJS_UNCAUGHT_BREAKPOINT.getImageData();
} else {
data= PerlDebugImages.DESC_OBJS_UNCAUGHT_BREAKPOINT_DISABLED.getImageData();
}
x= data.width;
y= data.height;
drawImage(data, x, y);
}
if ((flags & SCOPED) != 0) {
if ((flags & ENABLED) !=0) {
data= PerlDebugImages.DESC_OBJS_SCOPED_BREAKPOINT.getImageData();
} else {
data= PerlDebugImages.DESC_OBJS_SCOPED_BREAKPOINT_DISABLED.getImageData();
}
x= 0;
y= getSize().y;
y-= data.height;
drawImage(data, x, y);
}
if ((flags & CONDITIONAL) != 0) {
x= getSize().x;
y= 0;
if ((flags & ENABLED) !=0) {
data= PerlDebugImages.DESC_OBJS_CONDITIONAL_BREAKPOINT.getImageData();
} else {
data= PerlDebugImages.DESC_OBJS_CONDITIONAL_BREAKPOINT_DISABLED.getImageData();
}
x -= data.width;
drawImage(data, x, y);
} else {
if ((flags & ENTRY) != 0) {
x= getSize().x;
y= 0;
if ((flags & ENABLED) !=0) {
data= PerlDebugImages.DESC_OBJS_METHOD_BREAKPOINT_ENTRY.getImageData();
} else {
data= PerlDebugImages.DESC_OBJS_METHOD_BREAKPOINT_ENTRY_DISABLED.getImageData();
}
x -= data.width;
drawImage(data, x, y);
}
if ((flags & EXIT) != 0){
x= getSize().x;
y= getSize().y;
if ((flags & ENABLED) != 0) {
data= PerlDebugImages.DESC_OBJS_METHOD_BREAKPOINT_EXIT.getImageData();
} else {
data= PerlDebugImages.DESC_OBJS_METHOD_BREAKPOINT_EXIT_DISABLED.getImageData();
}
x -= data.width;
y -= data.height;
drawImage(data, x, y);
}
}
}
protected ImageDescriptor getBaseImage() {
return fBaseImage;
}
protected void setBaseImage(ImageDescriptor baseImage) {
fBaseImage = baseImage;
}
protected int getFlags() {
return fFlags;
}
protected void setFlags(int flags) {
fFlags = flags;
}
protected void setSize(Point size) {
fSize = size;
}
}