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/*******************************************************************************
* Copyright (c) 2010 SAP AG.
* 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:
* Mathias Kinzler (SAP AG) - initial implementation
*******************************************************************************/
package org.eclipse.egit.ui.internal.repository;
import java.io.File;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.Path;
import org.eclipse.egit.ui.UIIcons;
import org.eclipse.egit.ui.UIText;
import org.eclipse.jface.resource.CompositeImageDescriptor;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jgit.lib.Ref;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
/**
* Label Provider for the Git Repositories View
*/
public class RepositoriesViewLabelProvider extends LabelProvider {
/**
* A map of regular images to their decorated counterpart.
*/
private Map<Image, Image> decoratedImages = new HashMap<Image, Image>();
// private DefaultInformationControl infoControl;
/**
*
* @param viewer
*/
RepositoriesViewLabelProvider(final TreeViewer viewer) {
viewer.setLabelProvider(this);
// we could implement some hover here to display additional information
// viewer.getTree().addMouseTrackListener(new MouseTrackAdapter() {
//
// @Override
// public void mouseHover(MouseEvent e) {
// Point eventPoint = new Point(e.x, e.y);
//
// TreeItem item = viewer.getTree().getItem(eventPoint);
// if (item != null) {
//
// RepositoryTreeNode node = (RepositoryTreeNode) item
// .getData();
// String text = node.getRepository().getDirectory()
// .getCanonicalPath();
//
// final ViewerCell cell = viewer.getCell(eventPoint);
//
// if (infoControl != null && infoControl.isVisible()) {
// infoControl.setVisible(false);
// }
//
// GC testGc = new GC(cell.getControl());
// final Point textExtent = testGc.textExtent(text);
// testGc.dispose();
//
// if (infoControl == null || !infoControl.isVisible()) {
//
// IInformationPresenter ips = new IInformationPresenter() {
//
// public String updatePresentation(
// Display display, String hoverInfo,
// TextPresentation presentation,
// int maxWidth, int maxHeight) {
// return hoverInfo;
// }
//
// };
//
// infoControl = new DefaultInformationControl(Display
// .getCurrent().getActiveShell().getShell(),
// ips) {
//
// @Override
// public void setInformation(String content) {
// super.setInformation(content);
// super.setSize(textExtent.x, textExtent.y);
// }
//
// };
// }
//
// Point dispPoint = viewer.getControl().toDisplay(
// eventPoint);
//
// infoControl.setLocation(dispPoint);
//
// // the default info provider works better with \r ...
// infoControl.setInformation(text);
//
// final MouseMoveListener moveListener = new
// MouseMoveListener() {
//
// public void mouseMove(MouseEvent evt) {
// infoControl.setVisible(false);
// cell.getControl().removeMouseMoveListener(this);
//
// }
// };
//
// cell.getControl().addMouseMoveListener(moveListener);
//
// infoControl.setVisible(true);
//
// }
//
// }
//
// });
}
@Override
public Image getImage(Object element) {
return decorateImage(
((RepositoryTreeNode) element).getType().getIcon(), element);
}
@Override
public String getText(Object element) {
RepositoryTreeNode node = (RepositoryTreeNode) element;
switch (node.getType()) {
case REPO:
File directory = ((Repository) node.getObject()).getDirectory();
return (directory.getParentFile().getName() + " - " + directory //$NON-NLS-1$
.getAbsolutePath());
case FILE:
case FOLDER: // fall through
return ((File) node.getObject()).getName();
case BRANCHES:
return UIText.RepositoriesView_Branches_Nodetext;
case REMOTES:
return UIText.RepositoriesView_RemotesNodeText;
case REMOTE:
return (String) node.getObject();
case PROJECTS:
return UIText.RepositoriesView_ExistingProjects_Nodetext;
case REF:
Ref ref = (Ref) node.getObject();
// shorten the name
String refName = node.getRepository().shortenRefName(ref.getName());
if (ref.isSymbolic()) {
refName = refName
+ " - " //$NON-NLS-1$
+ node.getRepository().shortenRefName(
ref.getLeaf().getName());
}
return refName;
case PROJ:
File file = (File) node.getObject();
return file.getName();
case WORKINGDIR:
return UIText.RepositoriesView_WorkingDir_treenode
+ " - " //$NON-NLS-1$
+ node.getRepository().getWorkDir().getAbsolutePath();
default:
return null;
}
}
@Override
public void dispose() {
// dispose of our decorated images
for (Image image : decoratedImages.values()) {
image.dispose();
}
decoratedImages.clear();
super.dispose();
}
private Image decorateImage(final Image image, Object element) {
RepositoryTreeNode node = (RepositoryTreeNode) element;
switch (node.getType()) {
case REF:
Ref ref = (Ref) node.getObject();
// shorten the name
String refName = node.getRepository().shortenRefName(ref.getName());
try {
String branch = node.getBranch();
if (refName.equals(branch)) {
return getDecoratedImage(image);
}
} catch (IOException e1) {
// simply ignore here
}
return image;
case PROJ:
File file = (File) node.getObject();
for (IProject proj : ResourcesPlugin.getWorkspace().getRoot()
.getProjects()) {
if (proj.getLocation().equals(new Path(file.getAbsolutePath()))) {
return getDecoratedImage(image);
}
}
return image;
default:
return image;
}
}
private Image getDecoratedImage(final Image image) {
// check if we have a decorated image yet or not
Image decoratedImage = decoratedImages.get(image);
if (decoratedImage == null) {
// create one
CompositeImageDescriptor cd = new CompositeImageDescriptor() {
@Override
protected Point getSize() {
Rectangle bounds = image.getBounds();
return new Point(bounds.width, bounds.height);
}
@Override
protected void drawCompositeImage(int width, int height) {
drawImage(image.getImageData(), 0, 0);
drawImage(UIIcons.OVR_CHECKEDOUT.getImageData(), 0,
0);
}
};
decoratedImage = cd.createImage();
// store it
decoratedImages.put(image, decoratedImage);
}
return decoratedImage;
}
}
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