/*

* Copyright (c) 2010 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.internal.discovery.ui.editor;

import java.util.HashMap;

import java.util.Map;

import java.util.Map.Entry;

import org.eclipse.jface.action.IAction;

import org.eclipse.jface.layout.GridDataFactory;

import org.eclipse.jface.layout.RowDataFactory;

import org.eclipse.jface.layout.RowLayoutFactory;

import org.eclipse.swt.SWT;

import org.eclipse.swt.widgets.Composite;

import org.eclipse.swt.widgets.Label;

import org.eclipse.ui.forms.events.HyperlinkEvent;

import org.eclipse.ui.forms.events.IHyperlinkListener;

import org.eclipse.ui.forms.widgets.Hyperlink;

import com.nokia.carbide.internal.discovery.ui.extension.IPortalPage.IActionBar;

class TaskBar extends RoundedCornerComposite {

	private final class ActionListener implements IHyperlinkListener {

		@Override

		public void linkActivated(HyperlinkEvent e) {

			Hyperlink link = (Hyperlink) e.getSource();

			runAction(link);

		}

		@Override

		public void linkEntered(HyperlinkEvent e) {

			Hyperlink link = (Hyperlink) e.getSource();

			link.setUnderlined(true);

		}

		@Override

		public void linkExited(HyperlinkEvent e) {

			Hyperlink link = (Hyperlink) e.getSource();

			link.setUnderlined(false);

		}

	}

	private PortalEditor portalEditor;

	private Map<Hyperlink, IAction> linkToActionMap;

	private ActionListener listener;

	public TaskBar(Composite parent, PortalEditor portalEditor, IActionBar actionBar) {

		super(parent, portalEditor.getBackgroundParent(), 

				parent.getDisplay().getSystemColor(SWT.COLOR_BLACK),

				parent.getDisplay().getSystemColor(SWT.COLOR_WHITE));

		this.portalEditor = portalEditor;

		createTitle(actionBar);

		createActions(actionBar);

		setLayoutData(GridDataFactory.swtDefaults().grab(true, true).align(SWT.CENTER, SWT.BEGINNING).create());

		setLayout(RowLayoutFactory.swtDefaults().type(SWT.VERTICAL).margins(10, 10).extendedMargins(5, 5, 5, 10).fill(true).wrap(false).create());

	}

	private void createTitle(IActionBar actionBar) {

		String title = actionBar.getTitle();

		if (title != null) {

			Label l = new Label(this, SWT.LEFT);

			l.setFont(portalEditor.createFont("Arial", 10, SWT.BOLD));

			l.setBackground(l.getDisplay().getSystemColor(SWT.COLOR_WHITE));

			l.setText(title);

			l.setLayoutData(RowDataFactory.swtDefaults().create());

			l = new Label(this, SWT.HORIZONTAL | SWT.SEPARATOR);

			l.setLayoutData(RowDataFactory.swtDefaults().create());

		}

	}

	private void createActions(IActionBar actionBar) {

		listener = new ActionListener();

		linkToActionMap = new HashMap<Hyperlink, IAction>();

		for (IAction action : actionBar.getActions()) {

			Hyperlink link = new Hyperlink(this, SWT.NONE);

			link.setText(action.getText());

			String toolTipText = action.getToolTipText();

			if (toolTipText != null)

				link.setToolTipText(toolTipText);

			link.setBackground(link.getDisplay().getSystemColor(SWT.COLOR_WHITE));

			linkToActionMap.put(link, action);

			link.addHyperlinkListener(listener);

		}

//		updateAllActionsUI();

	}

	public void runAction(Hyperlink link) {

		IAction action = linkToActionMap.get(link);

		action.run();

	}

	public void updateActionUI(String actionId) {

		for (Entry<Hyperlink, IAction> entry : linkToActionMap.entrySet()) {

			IAction action = entry.getValue();

			if (actionId.equals(action.getId())) {

				entry.getKey().setEnabled(action.isEnabled());

			}

		}

	}

	public void updateAllActionsUI() {

		for (Entry<Hyperlink, IAction> entry : linkToActionMap.entrySet()) {

			entry.getKey().setEnabled(entry.getValue().isEnabled());

		}

	}

}