/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

package com.nokia.carbide.cpp.internal.codescanner.ui;

import org.eclipse.core.resources.IProject;

import org.eclipse.core.runtime.CoreException;

import org.eclipse.core.runtime.IStatus;

import org.eclipse.core.runtime.Status;

import org.eclipse.jface.viewers.ArrayContentProvider;

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.ITableLabelProvider;

import org.eclipse.jface.viewers.LabelProvider;

import org.eclipse.jface.viewers.SelectionChangedEvent;

import org.eclipse.jface.viewers.TableViewer;

import org.eclipse.swt.SWT;

import org.eclipse.swt.graphics.Image;

import org.eclipse.swt.layout.GridData;

import org.eclipse.swt.widgets.Composite;

import org.eclipse.swt.widgets.Control;

import org.eclipse.swt.widgets.Shell;

import org.eclipse.swt.widgets.TableItem;

import org.eclipse.ui.dialogs.SelectionStatusDialog;

import com.nokia.carbide.cpp.internal.codescanner.CSPlugin;

/**

 * A class to handle selection of a project.

 */

public class CSProjectSelectionDialog extends SelectionStatusDialog {

	/**

	 * Inner class to handle labels of the project selection table.

	 */

	private class CSProjectLabelProvider extends LabelProvider implements

		ITableLabelProvider {

		public String getColumnText(Object element, int index) {

			IProject project = (IProject) element;

			String projectName = "";

			try {

				projectName = project.getDescription().getName();

			}

			catch (CoreException e) {

				//ignore

			}

			return projectName;

		}

		public Image getColumnImage(Object element, int index) {

			return null;

		}

	}

	// private members for various controls of this preference page

	private IProject[] projects;

	private TableViewer tableViewer;

	/**

	 * Create an instance of this dialog.

	 * @param parentShell 

	 * @param projectList - list of projects to be displayed in this dialog

	 */

	CSProjectSelectionDialog(Shell parentShell, IProject[] projectList) {

		super(parentShell);

		setTitle("Project Specific Settings");  

		setMessage("Select the project to configure :"); 

		projects = projectList;

        int shellStyle = getShellStyle();

        setShellStyle(shellStyle | SWT.MAX | SWT.RESIZE);

	}

	/**

	 * Create contents of this dialog.

	 * @param parent - the parent composite

	 */

	protected Control createDialogArea(Composite parent) {

		Composite container = (Composite)super.createDialogArea(parent);

		createMessageArea(container);

		tableViewer = new TableViewer(container, SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER);

		GridData data= new GridData(SWT.FILL, SWT.FILL, true, true);

		data.heightHint= 200;

		data.widthHint= 200;

		tableViewer.getTable().setLayoutData(data);

		tableViewer.setLabelProvider(new CSProjectLabelProvider());

		tableViewer.setContentProvider(new ArrayContentProvider());

		tableViewer.addSelectionChangedListener(new ISelectionChangedListener() {

			public void selectionChanged(SelectionChangedEvent event) {

				doSelectionChanged(((IStructuredSelection) event.getSelection()).toArray());

			}

		});

		tableViewer.addDoubleClickListener(new IDoubleClickListener() {

			public void doubleClick(DoubleClickEvent event) {

                okPressed();

			}

		});

		initializeTable();

		doSelectionChanged(null);

		return container;

	}

    /**

     * Compute the result and return it.

     */

	protected void computeResult() {

	}

	/**

	 * Handle selection within this dialog.

	 * @param objects - objects selected

	 */

	private void doSelectionChanged(Object[] objects) {

		if (objects == null || objects.length != 1) {

			updateStatus(new Status(IStatus.ERROR, CSPlugin.PLUGIN_ID, ""));

			setSelectionResult(null);

		} else {

			updateStatus(new Status(IStatus.OK, CSPlugin.PLUGIN_ID, "")); 

			setSelectionResult(objects);

		}

	}

	/**

	 * Initialize the project selection table.

	 */

	private void initializeTable() {

		for (int i = 0; i < projects.length; i++) {

			TableItem tableItem = new TableItem(tableViewer.getTable(), SWT.LEFT, i);

			tableItem.setData(projects[i]);

			tableItem.setText(projects[i].getName());

		}

	}

}