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/**********************************************************************
* Copyright (c) 2004 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 - Initial API and implementation
**********************************************************************/
package org.eclipse.cdt.make.internal.ui.scannerconfig;
import org.eclipse.cdt.internal.ui.CPluginImages;
import org.eclipse.cdt.internal.ui.dialogs.cpaths.CPathEntryMessages;
import org.eclipse.cdt.internal.ui.util.ImageDescriptorRegistry;
import org.eclipse.cdt.make.internal.ui.MakeUIPlugin;
import org.eclipse.cdt.ui.CUIPlugin;
import org.eclipse.jface.resource.CompositeImageDescriptor;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.IColorProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.ImageData;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.widgets.Display;
/**
* Label provider for DiscoveredElement-s. DiscoveredElement can be active or removed.
*
* @author vhirsl
*/
public class DiscoveredElementLabelProvider extends LabelProvider implements IColorProvider {
private final Color inDirect = new Color(Display.getDefault(), new RGB(170, 170, 170));
private ImageDescriptor fIncludeIcon, fMacroIcon, fContainerImage;
private ImageDescriptor fRemovedIncludeIcon, fRemovedMacroIcon;
private ImageDescriptorRegistry fRegistry;
private final String DISABLED_LABEL = MakeUIPlugin.
getResourceString("ManageScannerConfigDialogCommon.discoveredGroup.annotation.disabled");//$NON-NLS-1$
public DiscoveredElementLabelProvider() {
fRegistry = CUIPlugin.getImageDescriptorRegistry();
fIncludeIcon = CPluginImages.DESC_OBJS_INCLUDES_FOLDER;
fMacroIcon = CPluginImages.DESC_OBJS_MACRO;
fContainerImage = CPluginImages.DESC_OBJS_LIBRARY;
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.ILabelProvider#getImage(java.lang.Object)
*/
public Image getImage(Object element) {
if (element instanceof DiscoveredElement) {
DiscoveredElement elem = (DiscoveredElement) element;
Image image = composeImage(elem);
if (image != null) {
return image;
}
}
return super.getImage(element);
}
/**
* @param elem
* @return
*/
private Image composeImage(DiscoveredElement elem) {
Image image = null;
switch (elem.getEntryKind()) {
case DiscoveredElement.PATHS_GROUP:
image = CPluginImages.get(CPluginImages.IMG_OBJS_INCLUDES_CONTAINER);
break;
case DiscoveredElement.CONTAINER:
image = fRegistry.get(fContainerImage);
break;
case DiscoveredElement.INCLUDE_PATH:
image = fRegistry.get(fIncludeIcon);
break;
case DiscoveredElement.SYMBOLS_GROUP:
case DiscoveredElement.SYMBOL_DEFINITION:
image = fRegistry.get(fMacroIcon);
break;
}
if (image != null && elem.isRemoved()) {
image = new DiscoveredElementImageDescriptor(image, true).createImage();
}
return image;
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.ILabelProvider#getText(java.lang.Object)
*/
public String getText(Object element) {
if (element instanceof DiscoveredElement) {
DiscoveredElement elem = (DiscoveredElement) element;
switch (elem.getEntryKind()) {
case DiscoveredElement.PATHS_GROUP:
return CPathEntryMessages.getString("CPElementLabelProvider.Includes"); //$NON-NLS-1$
case DiscoveredElement.SYMBOLS_GROUP:
return CPathEntryMessages.getString("CPElementLabelProvider.PreprocessorSymbols"); //$NON-NLS-1$
case DiscoveredElement.CONTAINER:
case DiscoveredElement.INCLUDE_PATH:
case DiscoveredElement.SYMBOL_DEFINITION:
return elem.getEntry() + (elem.isRemoved() ? addAnnotation(DISABLED_LABEL) : ""); //$NON-NLS-1$
}
}
return super.getText(element);
}
/**
* @param annotation
* @return
*/
private String addAnnotation(String annotation) {
return " (" + annotation + ")"; //$NON-NLS-1$ //$NON-NLS-2$
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IColorProvider#getForeground(java.lang.Object)
*/
public Color getForeground(Object element) {
if (element instanceof DiscoveredElement) {
DiscoveredElement elem = (DiscoveredElement) element;
switch (elem.getEntryKind()) {
case DiscoveredElement.INCLUDE_PATH:
case DiscoveredElement.SYMBOL_DEFINITION:
if (elem.isRemoved()) {
return inDirect;
}
}
}
return null;
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IColorProvider#getBackground(java.lang.Object)
*/
public Color getBackground(Object element) {
return null;
}
/**
* ComositeImageDescriptor adds 'removed' image overlay to the DiscoveredElement
*
* @author vhirsl
*/
private class DiscoveredElementImageDescriptor extends CompositeImageDescriptor {
private Image fBaseImage;
private boolean showRemoved;
private Point fSize;
public DiscoveredElementImageDescriptor(Image baseImage, boolean removed) {
fBaseImage = baseImage;
showRemoved = removed;
}
/* (non-Javadoc)
* @see org.eclipse.jface.resource.CompositeImageDescriptor#drawCompositeImage(int, int)
*/
protected void drawCompositeImage(int width, int height) {
ImageData bg = fBaseImage.getImageData();
if (bg == null) {
bg = DEFAULT_IMAGE_DATA;
}
drawImage(bg, 0, 0);
drawOverlays();
}
/**
* Add any overlays to the image as specified in the flags.
*/
protected void drawOverlays() {
ImageData data = null;
if (showRemoved) {
data = CPluginImages.DESC_OVR_ERROR.getImageData();
drawImage(data, 0, 0);
}
}
/* (non-Javadoc)
* @see org.eclipse.jface.resource.CompositeImageDescriptor#getSize()
*/
protected Point getSize() {
if (fSize == null) {
ImageData data = fBaseImage.getImageData();
fSize = new Point(data.width, data.height);
}
return fSize;
}
}
}
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