/*

* 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 org.eclipse.cdt.debug.core.ICDTLaunchConfigurationConstants;

import org.eclipse.cdt.launch.ui.CLaunchConfigurationTab;

import org.eclipse.core.runtime.CoreException;

import org.eclipse.debug.core.ILaunchConfiguration;

import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;

import org.eclipse.jface.dialogs.Dialog;

import org.eclipse.swt.SWT;

import org.eclipse.swt.events.ModifyEvent;

import org.eclipse.swt.events.ModifyListener;

import org.eclipse.swt.events.SelectionAdapter;

import org.eclipse.swt.events.SelectionEvent;

import org.eclipse.swt.graphics.Image;

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.Text;

import org.eclipse.ui.PlatformUI;

import com.nokia.cdt.debug.cw.symbian.SymbianPlugin;

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

import cwdbg.PreferenceConstants;

public class DebuggerTab extends CLaunchConfigurationTab {

	// Boolean widgets

	private Button viewOutput;

	private Button viewMessages;

	private Button breakAtMain;

	private Text mainBreakSymbol;

	private Button viewDebugTrace;

	/* (non-Javadoc)

	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#createControl(org.eclipse.swt.widgets.Composite)

	 */

	public void createControl(Composite parent) {

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

		setControl(comp);

		PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(), LaunchTabHelpIds.EMULATION_DEBUGGER);

		GridLayout topLayout = new GridLayout();

		topLayout.numColumns = 2;

		comp.setLayout(topLayout);

		createVerticalSpacer(comp, 2);

		createBooleanGroup(comp, 2);

		Dialog.applyDialogFont(parent);

		checkControlState();

	}

	protected void createBooleanGroup(Composite parent, int colSpan) {

		breakAtMain = createCheckButton(parent, Messages.getString("DebuggerTab.6")); //$NON-NLS-1$

		GridData data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);

		data.horizontalSpan = 1;

		breakAtMain.setLayoutData(data);

		breakAtMain.setFont(parent.getFont());

		breakAtMain.setToolTipText(Messages.getString("DebuggerTab.7")); //$NON-NLS-1$

		breakAtMain.setData(".uid", "DebuggerTab.breakAtMain");  //$NON-NLS-1$ //$NON-NLS-2$

		breakAtMain.addSelectionListener(new SelectionAdapter() {

			public void widgetSelected(SelectionEvent e) {

				updateLaunchConfigurationDialog();

				checkControlState();

			}

		});

		mainBreakSymbol = new Text(parent, SWT.BORDER);

		data = new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.GRAB_HORIZONTAL);

		data.horizontalSpan = 1;

		mainBreakSymbol.setLayoutData(data);

		mainBreakSymbol.setToolTipText(Messages.getString("DebuggerTab.7")); //$NON-NLS-1$

		mainBreakSymbol.setData(".uid", "DebuggerTab.mainBreakSymbol");  //$NON-NLS-1$ //$NON-NLS-2$

		mainBreakSymbol.addModifyListener(new ModifyListener() {

			public void modifyText(ModifyEvent e) {

				updateLaunchConfigurationDialog();

			}

		});

		viewOutput = createCheckButton(parent, Messages.getString("DebuggerTab.9")); //$NON-NLS-1$

		data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);

		data.horizontalSpan = colSpan;

		viewOutput.setLayoutData(data);

		viewOutput.setFont(parent.getFont());

		viewOutput.setToolTipText(Messages.getString("DebuggerTab.10")); //$NON-NLS-1$

		viewOutput.setData(".uid", "DebuggerTab.viewOutput");  //$NON-NLS-1$ //$NON-NLS-2$

		viewOutput.addSelectionListener(new SelectionAdapter() {

			public void widgetSelected(SelectionEvent e) {

				updateLaunchConfigurationDialog();

			}

		});

		viewDebugTrace = createCheckButton(parent, Messages.getString("DebuggerTab.16")); //$NON-NLS-1$

		data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);

		data.horizontalSpan = colSpan;

		viewDebugTrace.setLayoutData(data);

		viewDebugTrace.setFont(parent.getFont());

		viewDebugTrace.setToolTipText(Messages.getString("DebuggerTab.17")); //$NON-NLS-1$

		viewDebugTrace.setData(".uid", "DebuggerTab.viewDebugTrace");  //$NON-NLS-1$ //$NON-NLS-2$

		viewDebugTrace.addSelectionListener(new SelectionAdapter() {

			public void widgetSelected(SelectionEvent e) {

				updateLaunchConfigurationDialog();

			}

		});

		viewMessages = createCheckButton(parent, Messages.getString("DebuggerTab.11")); //$NON-NLS-1$

		data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);

		data.horizontalSpan = colSpan;

		viewMessages.setLayoutData(data);

		viewMessages.setFont(parent.getFont());

		viewMessages.setToolTipText(Messages.getString("DebuggerTab.12")); //$NON-NLS-1$

		viewMessages.setData(".uid", "DebuggerTab.viewMessages");  //$NON-NLS-1$ //$NON-NLS-2$

		viewMessages.addSelectionListener(new SelectionAdapter() {

			public void widgetSelected(SelectionEvent e) {

				updateLaunchConfigurationDialog();

			}

		});

	}

	/* (non-Javadoc)

	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#setDefaults(org.eclipse.debug.core.ILaunchConfigurationWorkingCopy)

	 */

	public void setDefaults(ILaunchConfigurationWorkingCopy config) {

	}

	/* (non-Javadoc)

	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#initializeFrom(org.eclipse.debug.core.ILaunchConfiguration)

	 */

	public void initializeFrom(ILaunchConfiguration configuration) {

		try {

			viewOutput.setSelection(configuration.getAttribute( PreferenceConstants.J_PN_ViewProcessOutput, true ));

			viewMessages.setSelection(configuration.getAttribute( PreferenceConstants.J_PN_ViewSystemMessage, true ));

			breakAtMain.setSelection(configuration.getAttribute( ICDTLaunchConfigurationConstants.ATTR_DEBUGGER_STOP_AT_MAIN , true ));

			mainBreakSymbol.setText(configuration.getAttribute( PreferenceConstants.J_PN_StopAtMainSymbol , "E32Main" )); //$NON-NLS-1$

			viewDebugTrace.setSelection(configuration.getAttribute( SymbianPlugin.DebugTraceLaunchSetting, true ));

			checkControlState();

		} catch (CoreException e) {

			LaunchPlugin.log(e);

		}

	}

	/* (non-Javadoc)

	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#performApply(org.eclipse.debug.core.ILaunchConfigurationWorkingCopy)

	 */

	public void performApply(ILaunchConfigurationWorkingCopy configuration) {

		configuration.setAttribute( PreferenceConstants.J_PN_ViewProcessOutput, viewOutput.getSelection());

		configuration.setAttribute( PreferenceConstants.J_PN_ViewSystemMessage, viewMessages.getSelection());

		configuration.setAttribute( ICDTLaunchConfigurationConstants.ATTR_DEBUGGER_STOP_AT_MAIN, breakAtMain.getSelection());

		configuration.setAttribute( PreferenceConstants.J_PN_StopAtMainSymbol, mainBreakSymbol.getText());

		configuration.setAttribute( SymbianPlugin.DebugTraceLaunchSetting, viewDebugTrace.getSelection());

	}

	/* (non-Javadoc)

	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#getName()

	 */

	public String getName() {

		return Messages.getString("DebuggerTab.14"); //$NON-NLS-1$

	}

	/*

	 * (non-Javadoc)

	 * 

	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#getImage()

	 */

	public Image getImage() {

		return LaunchImages.get(LaunchImages.IMG_VIEW_DEBUGGER_TAB);

	}

	protected void checkControlState()

	{

		mainBreakSymbol.setEnabled(breakAtMain.getSelection());

	}

	public boolean isValid(ILaunchConfiguration config) {

		setErrorMessage(null);

		setMessage(null);

		boolean result = super.isValid(config);

		if (result){

			if (breakAtMain.getSelection()) {

				if (mainBreakSymbol.getText().trim().length() < 1) {

					setErrorMessage(Messages.getString("DebuggerTab.15")); //$NON-NLS-1$

					return false;

				}

			}

		}		

		return result;

	}

	@Override

	public void activated(ILaunchConfigurationWorkingCopy workingCopy) {

		super.activated(workingCopy);

		// forces page to get focus so that help works without having to select some control first.

		getControl().setFocus();

	}

}