DeployableUnitServicePage.java

/**
 *   Copyright 2005 Open Cloud Ltd.
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 */

package org.mobicents.eclipslee.servicecreation.wizards.deployable;

import java.util.HashMap;
import java.util.Vector;

import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.mobicents.eclipslee.servicecreation.ui.table.EditableTableViewer;
import org.mobicents.eclipslee.servicecreation.util.BaseFinder;
import org.mobicents.eclipslee.servicecreation.util.ServiceFinder;
import org.mobicents.eclipslee.servicecreation.wizards.WizardChangeListener;
import org.mobicents.eclipslee.servicecreation.wizards.generic.FilenamePage;
import org.mobicents.eclipslee.util.slee.xml.DTDXML;
import org.mobicents.eclipslee.xml.ServiceXML;


/**
 * @author cath
 */
public class DeployableUnitServicePage extends WizardPage implements WizardChangeListener {

	protected static String COLUMNS[] = { "Selected", "Service XML", "Contents" };
	protected static int EDITORS[] = { EditableTableViewer.EDITOR_CHECKBOX,
			EditableTableViewer.EDITOR_NONE, EditableTableViewer.EDITOR_NONE
	};
	protected static Object VALUES[][] = {
			{}, 
			{}, 
			{}
	};
	
	private static final String PAGE_DESCRIPTION = "Select this deployable unit's services.";
	
	/**
	 * @param pageName
	 */
	public DeployableUnitServicePage(String title) {
		super("wizardPage");
		setTitle(title);
		setDescription(PAGE_DESCRIPTION);	
	}
	
	public void createControl(Composite parent) {
		
		GridLayout layout = new GridLayout();
		layout.numColumns = 1;
		
		Composite comp = new Composite(parent, SWT.NONE);
		comp.setLayout(layout);	
		setControl(comp);
		
		serviceViewer = new EditableTableViewer(comp, SWT.NONE, COLUMNS, EDITORS, VALUES);
		GridData data = new GridData(GridData.FILL_BOTH);
		serviceViewer.getTable().setLayoutData(data);
		serviceViewer.repack();
	}
	
	public void onWizardPageChanged(WizardPage page) {

		if (getControl() == null) return;
		
		if (page instanceof FilenamePage) {		
			
			if (((FilenamePage) page).getSourceContainer() == null)
				return;
			
			String projectName = ((FilenamePage) page).getSourceContainer().getProject().getName();
			if (projectName == null)
				return;
			
			if (projectName.equals(project))
				return;
			
			this.project = projectName;
			initialize();
			return;			
		}
	}
	
	private void initialize() {

		getShell().getDisplay().asyncExec(new Runnable() {
			public void run() {
				
				// Clear the contents of the service viewer.
				serviceViewer.getStore().clear();

				// Find all available children.
				DTDXML xml[] = ServiceFinder.getDefault().getComponents(BaseFinder.SOURCE, project);
				for (int i = 0; i < xml.length; i++) {
					
					ServiceXML serviceXML = (ServiceXML) xml[i];
					HashMap map = new HashMap();
					
					map.put("Selected", Boolean.FALSE);
					map.put("XML", serviceXML);
					map.put("Service XML", serviceXML.getOSPath());
					map.put("Contents", serviceXML.toString());
					
					serviceViewer.addRow(map);
				}
				serviceViewer.repack();
			}
		});
		
	}
	
	private void updateStatus(String message) {
		setErrorMessage(message);
		setPageComplete(message == null);
	}

	public HashMap[] getSelectedServices() {
		
		Object services[] = serviceViewer.getStore().getElements();
		Vector selectedServices = new Vector();
		for (int i = 0; i < services.length; i++) {		
			HashMap map = (HashMap) services[i];
			
			Boolean sel = (Boolean) map.get("Selected");
			if (sel.equals(Boolean.TRUE)) {
				selectedServices.add(map);				
			}
		}
		
		return (HashMap []) selectedServices.toArray(new HashMap[selectedServices.size()]);
	}
	
	private String project;
	private EditableTableViewer serviceViewer;
}