/*

* 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 "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.s60tools.imaker.internal.dialogs;

import org.eclipse.jface.dialogs.IDialogConstants;

import org.eclipse.jface.dialogs.TitleAreaDialog;

import org.eclipse.jface.resource.ImageDescriptor;

import org.eclipse.jface.viewers.ISelectionChangedListener;

import org.eclipse.jface.viewers.SelectionChangedEvent;

import org.eclipse.swt.SWT;

import org.eclipse.swt.graphics.Image;

import org.eclipse.swt.graphics.Point;

import org.eclipse.swt.layout.GridData;

import org.eclipse.swt.layout.GridLayout;

import org.eclipse.swt.widgets.Button;

import org.eclipse.swt.widgets.Composite;

import org.eclipse.swt.widgets.Control;

import org.eclipse.swt.widgets.Shell;

import com.nokia.s60tools.imaker.IEnvironmentManager;

import com.nokia.s60tools.imaker.IMakerPlugin;

import com.nokia.s60tools.imaker.Messages;

import com.nokia.s60tools.imaker.internal.managers.ProjectManager;

import com.nokia.s60tools.imaker.internal.viewers.IMakerTabsViewer;

public class LaunchIMakerDialog extends TitleAreaDialog {

	/** Keep track of the currently visible dialog instance */

	private static LaunchIMakerDialog fgCurrentlyVisibleLaunchIMakerDialog;

	/** Id for 'Launch' button.*/

	protected static final int ID_LAUNCH_BUTTON = IDialogConstants.CLIENT_ID + 1;

	/** Id for 'Close' button.*/

	protected static final int ID_CLOSE_BUTTON = IDialogConstants.CLIENT_ID + 2;

	/** Id for 'Cancel' button.*/

	protected static final int ID_CANCEL_BUTTON = IDialogConstants.CLIENT_ID + 3;

	/**

	 * Constant specifying how wide this dialog is allowed to get (as a percentage of

	 * total available screen width) as a result of tab labels in the edit area.

	 */

	protected static final float MAX_DIALOG_WIDTH_PERCENT = 0.75f;

	/**

	 * Constant specifying how tall this dialog is allowed to get (as a percentage of

	 * total available screen height) as a result of preferred tab size.

	 */

	protected static final float MAX_DIALOG_HEIGHT_PERCENT = 0.60f;

	/**

	 * Size of this dialog if there is no preference specifying a size.

	 */

	protected static final Point DEFAULT_INITIAL_DIALOG_SIZE = new Point(540, 650); //(620, 690)

	/**

	 * Returns the currently visible dialog

	 * @return the currently visible launch dialog

	 */

	public static LaunchIMakerDialog getCurrentlyVisibleLaunchConfigurationDialog() {

		return fgCurrentlyVisibleLaunchIMakerDialog;

	}

	/**

	 * Sets which launch dialog is currently the visible one

	 * @param dialog the dialog to set as the visible one

	 */

	public static void setCurrentlyVisibleLaunchConfigurationDialog(LaunchIMakerDialog dialog) {

		fgCurrentlyVisibleLaunchIMakerDialog = dialog;

	}

	/**

	 * widgets

	 */

	private IMakerTabsViewer fTabViewer;

	private Image fBannerImage;

	private Button runButton;

	private IMakerTabsViewer imakerTabsViewer;

	private ProjectManager projectManager;

	private String filePath;

	private IEnvironmentManager environmentManager;

	public LaunchIMakerDialog(Shell parentShell, ProjectManager projectManager, IEnvironmentManager manager) {

		super(parentShell);

		this.projectManager = projectManager;

		this.environmentManager = manager;

	}

	public ProjectManager getProjectManager() {

		return projectManager;

	}

	@Override

	protected void configureShell(Shell shell) {

		super.configureShell(shell);

		shell.setText(getShellTitle());

	}

	private String getShellTitle() {

		return Messages.getString("Project.name");

	}

	@Override

	protected Control createDialogArea(Composite parent) {

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

		setTitle(Messages.getString("LaunchImakerDialog.title"));

		setMessage(Messages.getString("LaunchImakerDialog.message"));

		setImage();

		addContent(dialogComp);

		return dialogComp;

	}

	public void initialize() {

		getTabViewer().initialize();

	}

	/**

	 * Adds content to the dialog area

	 * 

	 * @param dialogComp

	 */

	protected void addContent(Composite dialogComp) {

		GridData gd;

		Composite topComp = new Composite(dialogComp, SWT.NONE);

		gd = new GridData(GridData.FILL_BOTH);

		topComp.setLayoutData(gd);

		GridLayout topLayout = new GridLayout(1, false);

		topComp.setLayout(topLayout);

		Composite editAreaComp = createPreferenceEditArea(topComp);

		gd = new GridData(GridData.FILL_BOTH);

		editAreaComp.setLayoutData(gd);

		dialogComp.layout(true);

		initialize();

		applyDialogFont(dialogComp);

	}

	private void setImage() {

		setTitleImage(getBannerImage());

	}

	private Image getBannerImage() {

		if (fBannerImage == null) {

			ImageDescriptor descriptor = IMakerPlugin.getImageDescriptor("icons/imaker_dialog.png");

			if (descriptor != null) {

				fBannerImage = descriptor.createImage();

			}

		}

		return fBannerImage;

	}

	private Composite createPreferenceEditArea(Composite parent) {

		imakerTabsViewer = new IMakerTabsViewer(parent,environmentManager, this);

		setTabViewer(imakerTabsViewer);

		getTabViewer().addSelectionChangedListener(new ISelectionChangedListener() {

			public void selectionChanged(SelectionChangedEvent event) {

//				handleTabSelectionChanged();

			}

		});

		return (Composite)getTabViewer().getControl();

	}

	/**

	 * A launch configuration dialog overrides this method

	 * to create a custom set of buttons in the button bar.

	 * This dialog has 'Launch' and 'Cancel'

	 * buttons.

	 * 

	 * @see org.eclipse.jface.dialogs.Dialog#createButtonsForButtonBar(org.eclipse.swt.widgets.Composite)

	 */

	protected void createButtonsForButtonBar(Composite parent) {

		createButton(parent, IDialogConstants.OK_ID, Messages.getString("LaunchImakerDialog.run"), true);

		createButton(parent, ID_CLOSE_BUTTON, Messages.getString("LaunchImakerDialog.close"), false);  

	}

	public Button getRunButton() {

		return runButton;

	}

	/**

	 * Handle the 'close' & 'launch' buttons here, all others are handled

	 * in <code>Dialog</code>

	 * 

	 * @see org.eclipse.jface.dialogs.Dialog#buttonPressed(int)

	 */

	protected void buttonPressed(int buttonId) {

		if (buttonId == IDialogConstants.OK_ID) {

			setFilePath(imakerTabsViewer.handleRunPressed());

			okPressed();

		} else if (buttonId == ID_CLOSE_BUTTON) {

			cancelPressed();

		} else {

			super.buttonPressed(buttonId);

		}

	}

	@Override

	protected Point getInitialSize() {

		return DEFAULT_INITIAL_DIALOG_SIZE;

	}

	/**

	 * Sets the viewer used to display the tabs for a launch configuration.

	 * 

	 * @param viewer the new view to set

	 */

	protected void setTabViewer(IMakerTabsViewer viewer) {

		fTabViewer = viewer;

	}

	/**

	 * Returns the viewer used to display the tabs for a launch configuration.

	 * 

	 * @return LaunchConfigurationTabGroupViewer

	 */

	protected IMakerTabsViewer getTabViewer() {

		return fTabViewer;

	}

	/**

	 * @param filePath the filePath to set

	 */

	public void setFilePath(String path) {

		this.filePath = path;

	}

	/**

	 * @return the filePath

	 */

	public String getFilePath() {

		return filePath;

	}

}