/*******************************************************************************
 * Copyright (c) 2007 IBM Corporation and Others
 * 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:
 *    Daisuke SATO - initial API and implementation
 *******************************************************************************/

package org.eclipse.actf.ai.audio.description.views;

import org.eclipse.actf.ai.audio.description.impl.MetadataContentProvider;
import org.eclipse.actf.ai.internal.audio.description.DescriptionPlugin;
import org.eclipse.actf.ai.internal.audio.description.Messages;
import org.eclipse.jface.viewers.TableViewer;
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.Table;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.ui.IViewPart;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.part.ViewPart;

public class DescriptionView extends ViewPart {
	public static final String ID = "org.eclipse.actf.ai.audio.description.views.DescriptionView";

	private VideoStatusViewer status;

	private TableViewer tableViewer;

	@Override
	public void createPartControl(Composite parent) {
		initView(parent);
		DescriptionPlugin.getDefault().setDescriptionView(this);
	}

	private void initView(Composite parent) {
		GridLayout gLayout = new GridLayout(1, true);
		gLayout.marginWidth = 0;
		gLayout.marginHeight = 0;
		parent.setLayout(gLayout);

		status = new VideoStatusViewer(parent);

		tableViewer = new TableViewer(parent, SWT.MULTI | SWT.H_SCROLL
				| SWT.V_SCROLL | SWT.BORDER);
		MetadataContentProvider provider = new MetadataContentProvider();
		tableViewer.setContentProvider(provider);
		tableViewer.setLabelProvider(provider);

		Table table = tableViewer.getTable();
		table.setHeaderVisible(true);
		table.setLinesVisible(true);
		TableColumn tableColumnProperty = new TableColumn(table, SWT.LEFT);
		tableColumnProperty.setText(Messages.AudioDescription_view_time);
		tableColumnProperty.setWidth(70);
		TableColumn tableColumnValue = new TableColumn(table, SWT.LEFT);
		tableColumnValue.setText(Messages.AudioDescription_view_desc);
		tableColumnValue.setWidth(130);

		GridData data = new GridData(GridData.FILL_BOTH);
		table.setLayoutData(data);
	}

	@Override
	public void setFocus() {

	}

	public void setTime(double time) {
		status.setTime(time);
	}

	public void setInput(Object input) {
		if (tableViewer.getTable().isDisposed())
			return;
		tableViewer.setInput(input);
	}

	public void setIndex(int index) {
		if (tableViewer.getTable().isDisposed())
			return;
		tableViewer.getTable().select(index);
	}

	public void setEnable(boolean b) {
		status.setEnable(b);
	}

	public boolean toggleViewShowing() {
		IWorkbenchPage page = PlatformUI.getWorkbench()
				.getActiveWorkbenchWindow().getActivePage();
		IViewPart part = page.findView(ID);

		if (part != null) {
			page.hideView(part);
			return false;
		} else {
			try {
				page.showView(ID);
				return true;
			} catch (PartInitException e) {
				e.printStackTrace();
			}
		}
		return false;
	}
}