[eclipse-ccase-cvs] net.sourceforge.eclipseccase.ui/src/net/sourceforge/eclipseccase/ui ElementSelectionTree.java, NONE, 1.1.2.1

[Mikael P. <er...@us...>]

Update of /cvsroot/eclipse-ccase/net.sourceforge.eclipseccase.ui/src/net/sourceforge/eclipseccase/ui
In directory vz-cvs-4.sog:/tmp/cvs-serv18032/src/net/sourceforge/eclipseccase/ui

Added Files:
      Tag: mike_diff_checkin
	ElementSelectionTree.java 
Log Message:
First version of new checkin

--- NEW FILE: ElementSelectionTree.java ---
package net.sourceforge.eclipseccase.ui;

import org.eclipse.jface.viewers.ILabelProviderListener;
import org.eclipse.swt.graphics.Image;

import org.eclipse.jface.viewers.ILabelProvider;

import org.eclipse.jface.viewers.Viewer;

import java.io.File;

import org.eclipse.jface.viewers.ITreeContentProvider;

import org.eclipse.core.resources.IContainer;

import org.eclipse.jface.viewers.CheckStateChangedEvent;

import java.util.Comparator;

import java.util.ArrayList;

import java.util.Arrays;

import org.eclipse.core.resources.IResource;

import org.eclipse.jface.viewers.ICheckStateListener;

import org.eclipse.swt.layout.GridData;

import org.eclipse.jface.viewers.CheckboxTreeViewer;

import org.eclipse.swt.layout.GridLayout;

import org.eclipse.swt.SWT;

import org.eclipse.swt.widgets.Control;

import org.eclipse.swt.widgets.Composite;

/**
 * 
 * @author mikael petterson
 * 
 */
public class ElementSelectionTree extends Composite {

	private ArrayList resourceList;

	private IResource[] resources;

	private ResourceComparator comparator = new ResourceComparator();

	private CheckboxTreeViewer checkTreeViewer;

	public ElementSelectionTree(Composite parent, IResource[] resources, int style) {
		super(parent, style);
		this.resources = resources;
		// sort and add to internal holder.
		Arrays.sort(resources, comparator);
		resourceList = new ArrayList();
		for (int i = 0; i < resources.length; i++) {
			IResource resource = resources[i];
			resourceList.add(resource);
		}
	}

	protected Control createContents(Composite parent) {
		Composite composite = new Composite(parent, SWT.NONE);
		composite.setLayout(new GridLayout(1, false));

		// Create the tree viewer to display the file tree
		final CheckboxTreeViewer checkTreeViewer = new CheckboxTreeViewer(composite);
		checkTreeViewer.getTree().setLayoutData(new GridData(GridData.FILL_BOTH));
		checkTreeViewer.setContentProvider(new FileTreeContentProvider());
		checkTreeViewer.setLabelProvider(new FileTreeLabelProvider());
		checkTreeViewer.setInput("root"); // pass a non-null that will be
											// ignored

		// When user checks a checkbox in the tree, check all its children
		checkTreeViewer.addCheckStateListener(new ICheckStateListener() {
			public void checkStateChanged(CheckStateChangedEvent event) {
				if (event.getChecked()) {
					checkTreeViewer.setSubtreeChecked(event.getElement(), true);
				}
			}
		});
		return composite;
	}

	public IResource[] getSelectedResources() {

		ArrayList selected = new ArrayList();
		Object[] checkedResources = ((CheckboxTreeViewer) checkTreeViewer).getCheckedElements();
		for (int i = 0; i < checkedResources.length; i++) {
			if (resourceList.contains(checkedResources[i]))
				selected.add(checkedResources[i]);
		}
		IResource[] selectedResources = new IResource[selected.size()];
		selected.toArray(selectedResources);
		return selectedResources;
	}

	private class ResourceComparator implements Comparator {
		public int compare(Object objA, Object objB) {
			IResource resourceA = (IResource) objA;
			IResource resourceB = (IResource) objB;
			return resourceA.getFullPath().toOSString().compareTo(resourceB.getFullPath().toOSString());
		}
	}

	class FileTreeContentProvider implements ITreeContentProvider {
		public Object[] getChildren(Object arg0) {
			return ((File) arg0).listFiles();
		}

		public Object getParent(Object arg0) {
			return ((File) arg0).getParentFile();
		}

		public boolean hasChildren(Object arg0) {
			Object[] obj = getChildren(arg0);
			return obj == null ? false : obj.length > 0;
		}

		public Object[] getElements(Object arg0) {
			return File.listRoots();
		}

		public void dispose() {
		}

		public void inputChanged(Viewer arg0, Object arg1, Object arg2) {
		}
	}

	class FileTreeLabelProvider implements ILabelProvider {

		private Image file;

		private Image dir;

		public FileTreeLabelProvider() {

		}

		public Image getImage(Object arg0) {
			// TODO Auto-generated method stub
			return null;
		}

		public String getText(Object arg0) {
			// TODO Auto-generated method stub
			return null;
		}

		public void addListener(ILabelProviderListener arg0) {
			// TODO Auto-generated method stub

		}

		public void dispose() {
			// TODO Auto-generated method stub

		}

		public boolean isLabelProperty(Object arg0, String arg1) {
			// TODO Auto-generated method stub
			return false;
		}

		public void removeListener(ILabelProviderListener arg0) {
			// TODO Auto-generated method stub

		}

	}

}