/*

* 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.cdt.internal.debug.launch.ui;

import com.freescale.cdt.debug.cw.core.settings.DebuggerCommonData;

import com.nokia.cdt.internal.debug.launch.LaunchPlugin;

import org.eclipse.core.resources.*;

import org.eclipse.core.runtime.CoreException;

import org.eclipse.debug.core.ILaunchConfiguration;

import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;

import org.eclipse.swt.SWT;

import org.eclipse.swt.events.*;

import org.eclipse.swt.layout.GridData;

import org.eclipse.swt.layout.GridLayout;

import org.eclipse.swt.widgets.*;

import java.io.File;

public class EmulationMainTab extends CarbideMainTab implements IResourceChangeListener {

	protected Label hostLabel;

	protected Text hostText;

	protected Button hostBrowse;

	public EmulationMainTab() {

		super(DONT_CHECK_PROGRAM);

	}

	public void createControl(Composite parent) {

		Composite comp = new Composite(parent, SWT.NONE);

		setControl(comp);

		LaunchPlugin.getDefault().getWorkbench().getHelpSystem().setHelp(getControl(), LaunchTabHelpIds.EMULATION_MAIN);

		// Move the focus from the launch config view to this composite. Afterward the focus will move with the tabs.

		comp.setFocus(); 

		if (parent instanceof TabFolder)

		{

			TabFolder tabFolder = (TabFolder) parent;

			tabFolder.addSelectionListener(new SelectionListener(){

				public void widgetSelected(SelectionEvent e) {

					if (e.item instanceof TabItem)

						((TabItem)e.item).getControl().setFocus();

				}

				public void widgetDefaultSelected(SelectionEvent e) {

					if (e.item instanceof TabItem)

						((TabItem)e.item).getControl().setFocus();

				}}

			);					

		}

		GridLayout topLayout = new GridLayout();

		comp.setLayout(topLayout);

		createVerticalSpacer(comp, 1);

		createProjectGroup(comp, 1);

		createHostAppGroup(comp, 1);

		fProjLabel.setToolTipText(Messages.getString("EmulationMainTab.7")); //$NON-NLS-1$

		fProjText.setToolTipText(Messages.getString("EmulationMainTab.7")); //$NON-NLS-1$

		createVerticalSpacer(comp, 1);

		if (wantsTerminalOption() /*&& ProcessFactory.supportesTerminal()*/) {

			createTerminalOption(comp, 1);

		}

		ResourcesPlugin.getWorkspace().addResourceChangeListener(this, IResourceChangeEvent.POST_BUILD);

	}

	public void dispose() {

		ResourcesPlugin.getWorkspace().removeResourceChangeListener(this);

		super.dispose();

	}

	protected void createHostAppGroup(Composite parent, int colSpan) {

		Composite projComp = new Composite(parent, SWT.NONE);

		GridLayout projLayout = new GridLayout();

		projLayout.numColumns = 2;

		projLayout.marginHeight = 0;

		projLayout.marginWidth = 0;

		projComp.setLayout(projLayout);

		GridData gd = new GridData(GridData.FILL_HORIZONTAL);

		gd.horizontalSpan = colSpan;

		projComp.setLayoutData(gd);

		hostLabel = new Label(projComp, SWT.NONE);

		hostLabel.setText(Messages.getString("EmulationMainTab.2")); //$NON-NLS-1$

		gd = new GridData();

		gd.horizontalSpan = 2;

		hostLabel.setLayoutData(gd);

		hostLabel.setToolTipText(Messages.getString("EmulationMainTab.3")); //$NON-NLS-1$

		hostText = new Text(projComp, SWT.SINGLE | SWT.BORDER);

		gd = new GridData(GridData.FILL_HORIZONTAL);

		hostText.setLayoutData(gd);

		hostText.setToolTipText(Messages.getString("EmulationMainTab.3")); //$NON-NLS-1$

		hostText.addModifyListener(new ModifyListener() {

			public void modifyText(ModifyEvent evt) {

				updateLaunchConfigurationDialog();

			}

		});

		hostBrowse = createPushButton(projComp, Messages.getString("EmulationMainTab.4"), null); //$NON-NLS-1$

		hostBrowse.addSelectionListener(new SelectionAdapter() {

			public void widgetSelected(SelectionEvent evt) {

				FileDialog dialog = new FileDialog(getShell(), SWT.NONE);

				dialog.setText(Messages.getString("EmulationMainTab.5")); //$NON-NLS-1$

				String result = dialog.open();

				if (result != null && new File(result).exists()) {

					hostText.setText(result);

					updateLaunchConfigurationDialog();

				}

			}

		});

	}

	public void setDefaults(ILaunchConfigurationWorkingCopy config) {

	}

	public void initializeFrom(ILaunchConfiguration config) {

		super.initializeFrom(config);

		try {

			hostText.setText(config.getAttribute(DebuggerCommonData.Host_App_Path, "")); //$NON-NLS-1$

		} catch (CoreException e) {

			LaunchPlugin.log(e);

		}

	}

	public void performApply(ILaunchConfigurationWorkingCopy config) {

		super.performApply(config);

		config.setAttribute(DebuggerCommonData.Host_App_Path, hostText.getText());

	}

	public void resourceChanged(IResourceChangeEvent event) {

		if (event.getType() == IResourceChangeEvent.POST_BUILD) {

			final EmulationMainTab tab = this;

			Display.getDefault().asyncExec(new Runnable() {

				public void run() {

					tab.getLaunchConfigurationDialog().updateButtons();

					tab.getLaunchConfigurationDialog().updateMessage();

				}

			});

		}

	}

}