/*******************************************************************************
 * Copyright (c) 2005-2008 Polarion Software.
 * 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:
 *    Igor Burilo - Initial API and implementation
 *******************************************************************************/

package org.eclipse.team.svn.ui.wizard.selectresource;

import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.viewers.DoubleClickEvent;
import org.eclipse.jface.viewers.IDoubleClickListener;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.wizard.IWizard;
import org.eclipse.jface.wizard.IWizardPage;
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.eclipse.swt.widgets.Label;
import org.eclipse.team.svn.core.resource.IRepositoryLocation;
import org.eclipse.team.svn.ui.SVNTeamUIPlugin;
import org.eclipse.team.svn.ui.SVNUIMessages;
import org.eclipse.team.svn.ui.wizard.AbstractVerifiedWizardPage;
import org.eclipse.team.svn.ui.wizard.shareproject.SelectRepositoryLocationPage;
import org.eclipse.ui.PlatformUI;

/**
 * Select repository location wizard page
 * It doesn't allow to create a new location in contrast to SelectRepositoryLocationPage
 * 
 * @author Igor Burilo
 */
public class SelectSimpleRepositoryLocationPage extends AbstractVerifiedWizardPage {
	
	protected IRepositoryLocation location;
	protected TableViewer repositoriesView;
	protected IRepositoryLocation []repositories;
	
	public SelectSimpleRepositoryLocationPage(IRepositoryLocation []repositories) {
		super(SelectSimpleRepositoryLocationPage.class.getName(), SVNUIMessages.SelectSimpleRepositoryLocationPage_Title, SVNTeamUIPlugin.instance().getImageDescriptor("icons/wizards/newconnect.gif")); //$NON-NLS-1$
		this.setDescription(SVNUIMessages.SelectSimpleRepositoryLocationPage_Description);
		this.repositories = repositories;;
	}
	
	protected Composite createControlImpl(Composite parent) {
		GridLayout layout = null;
		GridData data = null;
		this.initializeDialogUnits(parent);
		
		Composite composite = new Composite(parent, SWT.NONE);
		layout = new GridLayout();
		composite.setLayout(layout);
		data = new GridData(GridData.FILL_BOTH);
		composite.setLayoutData(data);
		
		Label description = new Label(composite, SWT.WRAP);
		data = new GridData(GridData.FILL_HORIZONTAL);
		data.widthHint = IDialogConstants.ENTRY_FIELD_WIDTH;
		data.heightHint = this.convertHeightInCharsToPixels(2);
		description.setLayoutData(data);
		description.setText(SVNUIMessages.SelectSimpleRepositoryLocationPage_Details);
		
		this.repositoriesView = SelectRepositoryLocationPage.createRepositoriesListTable(composite, this.repositories);		
		
		this.repositoriesView.addDoubleClickListener(new IDoubleClickListener() {
			public void doubleClick(DoubleClickEvent event) {
				IWizard wizard = SelectSimpleRepositoryLocationPage.this.getWizard();
				IWizardPage nextPage = wizard.getNextPage(SelectSimpleRepositoryLocationPage.this);
				if (nextPage != null) {
					wizard.getContainer().showPage(nextPage);	
				}				
			}			
		});
		
		this.repositoriesView.addSelectionChangedListener(new ISelectionChangedListener() {
			public void selectionChanged(SelectionChangedEvent event) {
				IStructuredSelection selection = (IStructuredSelection)SelectSimpleRepositoryLocationPage.this.repositoriesView.getSelection();
				SelectSimpleRepositoryLocationPage.this.location = (IRepositoryLocation)selection.getFirstElement();
				SelectSimpleRepositoryLocationPage.this.setPageComplete(true);
			}
		});
		
		IStructuredSelection selection = (IStructuredSelection)this.repositoriesView.getSelection();
		this.location = (IRepositoryLocation)selection.getFirstElement();
		
		//Setting context help
        PlatformUI.getWorkbench().getHelpSystem().setHelp(composite, "org.eclipse.team.svn.help.selectRepositoryLocationContext"); //$NON-NLS-1$
		
		return composite;
	}
	
	public IRepositoryLocation getRepositoryLocation() {
		return this.location;
	}
	
}