/*

* 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 java.io.File;

import org.eclipse.cdt.core.model.CoreModel;

import org.eclipse.cdt.core.settings.model.CProjectDescriptionEvent;

import org.eclipse.cdt.core.settings.model.ICProjectDescriptionListener;

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

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

import org.eclipse.core.resources.IProject;

import org.eclipse.core.resources.ResourcesPlugin;

import org.eclipse.core.runtime.CoreException;

import org.eclipse.core.runtime.IPath;

import org.eclipse.core.runtime.Path;

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.Combo;

import org.eclipse.swt.widgets.Composite;

import org.eclipse.swt.widgets.FileDialog;

import org.eclipse.swt.widgets.Label;

import org.eclipse.swt.widgets.Link;

import org.eclipse.swt.widgets.Text;

import org.eclipse.ui.PlatformUI;

import org.eclipse.ui.dialogs.PreferencesUtil;

import com.freescale.swt.widgets.CheckboxGroup;

import com.nokia.carbide.cdt.builder.CarbideBuilderPlugin;

import com.nokia.carbide.cdt.builder.builder.CarbideCPPBuilder;

import com.nokia.carbide.cdt.builder.project.ICarbideBuildConfiguration;

import com.nokia.carbide.cdt.builder.project.ICarbideProjectInfo;

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

import com.nokia.cpp.internal.api.utils.ui.BrowseDialogUtils;

import cwdbg.PreferenceConstants;

public class InstallationTab extends CLaunchConfigurationTab implements ICProjectDescriptionListener {

	private ILaunchConfiguration configuration;

	private Label hostLabel;

	private Text hostPath;

	private Button hostBrowse;

	private Label puLabel;

	private Text puPath;

	private Link puLink;

	private Label targetLabel;

	private Text targetPath;

	private Button forceInstall;

	private CheckboxGroup installerUIGroup;

	private Label driveLabel;

	private Combo drive;

	private String driveLetterArray[] = {"A", "B", "C", "D", "E", "F", "G"}; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$ //$NON-NLS-6$ //$NON-NLS-7$

	/* (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.RUN_MODE_INSTALLATION);

		GridLayout topLayout = new GridLayout();

		topLayout.numColumns = 2;

		comp.setLayout(topLayout);

		createVerticalSpacer(comp, 1);

		createSisGroup(comp, 1);

		createVerticalSpacer(comp, 1);

		createInstallerUIGroup(comp, 1);

		createVerticalSpacer(comp, 1);

		createPUInstallerUIGroup(comp, 1);

		Dialog.applyDialogFont(parent);

		checkControlState();

	}

	protected void createSisGroup(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 data = new GridData(GridData.FILL_HORIZONTAL);

		data.horizontalSpan = colSpan;

		projComp.setLayoutData(data);

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

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

		data = new GridData();

		data.horizontalSpan = 2;

		hostLabel.setLayoutData(data);

		hostLabel.setToolTipText(Messages.getString("InstallationTab.2")); //$NON-NLS-1$

		hostLabel.setData(".uid", "InstallationTab.hostLabel");  //$NON-NLS-1$ //$NON-NLS-2$

		hostPath = new Text(projComp, SWT.BORDER);

		data = new GridData(GridData.FILL_HORIZONTAL);

		hostPath.setLayoutData(data);

		hostPath.setToolTipText(Messages.getString("InstallationTab.2")); //$NON-NLS-1$

		hostPath.setData(".uid", "InstallationTab.hostPath");  //$NON-NLS-1$ //$NON-NLS-2$

		hostPath.addModifyListener(new ModifyListener() {

			public void modifyText(ModifyEvent e) {

				updatePULabel();

				updateLaunchConfigurationDialog();

			}

		});

		hostBrowse = createPushButton(projComp, Messages.getString("InstallationTab.3"), null); //$NON-NLS-1$

		hostBrowse.setData(".uid", "InstallationTab.hostBrowse");  //$NON-NLS-1$ //$NON-NLS-2$

		hostBrowse.addSelectionListener(new SelectionAdapter() {

			public void widgetSelected(SelectionEvent evt) {

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

				dialog.setText(Messages.getString("InstallationTab.4")); //$NON-NLS-1$

				dialog.setFilterExtensions(new String[] {"*.sis*", "*.*"}); //$NON-NLS-1$ //$NON-NLS-2$

				dialog.setFilterNames(new String[] {Messages.getString("InstallationTab.27"), Messages.getString("InstallationTab.28")}); //$NON-NLS-1$ //$NON-NLS-2$

				BrowseDialogUtils.initializeFrom(dialog, hostPath);

				String result = dialog.open();

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

					hostPath.setText(result);

					updatePULabel();

					updateLaunchConfigurationDialog();

				}

			}

		});

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

		targetLabel.setText(Messages.getString("InstallationTab.5")); //$NON-NLS-1$

		data = new GridData();

		data.horizontalSpan = 2;

		targetLabel.setLayoutData(data);

		targetLabel.setToolTipText(Messages.getString("InstallationTab.6")); //$NON-NLS-1$

		targetLabel.setData(".uid", "InstallationTab.targetLabel");  //$NON-NLS-1$ //$NON-NLS-2$

		targetPath = new Text(projComp, SWT.BORDER);

		data = new GridData(GridData.FILL_HORIZONTAL);

		targetPath.setLayoutData(data);

		targetPath.setToolTipText(Messages.getString("InstallationTab.6")); //$NON-NLS-1$

		targetPath.setData(".uid", "InstallationTab.targetPath");  //$NON-NLS-1$ //$NON-NLS-2$

		targetPath.addModifyListener(new ModifyListener() {

			public void modifyText(ModifyEvent e) {

				updateLaunchConfigurationDialog();

			}

		});

		createVerticalSpacer(projComp, 2);

		forceInstall = createCheckButton(projComp, Messages.getString("InstallationTab.7")); //$NON-NLS-1$

		data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);

		data.horizontalSpan = 2;

		forceInstall.setLayoutData(data);

		forceInstall.setToolTipText(Messages.getString("InstallationTab.8")); //$NON-NLS-1$

		forceInstall.setData(".uid", "InstallationTab.forceInstall");  //$NON-NLS-1$ //$NON-NLS-2$

		forceInstall.addSelectionListener(new SelectionAdapter() {

			public void widgetSelected(SelectionEvent e) {

				updateLaunchConfigurationDialog();

			}

		});

	}

	protected void createInstallerUIGroup(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 data = new GridData(GridData.FILL_HORIZONTAL);

		data.horizontalSpan = colSpan;

		projComp.setLayoutData(data);

		installerUIGroup = new CheckboxGroup(projComp, SWT.CHECK);

		installerUIGroup.setText(Messages.getString("InstallationTab.9")); //$NON-NLS-1$

		data = new GridData(GridData.FILL_HORIZONTAL);

		data.horizontalSpan = 2;

		installerUIGroup.setLayoutData(data);

		installerUIGroup.setToolTipText(Messages.getString("InstallationTab.10")); //$NON-NLS-1$

		installerUIGroup.getGroup().setLayout(projLayout);

		installerUIGroup.addSelectionListener(new SelectionAdapter() {

			public void widgetSelected(SelectionEvent e) {

				updateLaunchConfigurationDialog();

			}

		});

		driveLabel = new Label(installerUIGroup.getGroup(), SWT.NONE);

		driveLabel.setText(Messages.getString("InstallationTab.11")); //$NON-NLS-1$

		data = new GridData();

		data.horizontalSpan = 1;

		driveLabel.setLayoutData(data);

		driveLabel.setToolTipText(Messages.getString("InstallationTab.12")); //$NON-NLS-1$

		driveLabel.setData(".uid", "InstallationTab.driveLabel");  //$NON-NLS-1$ //$NON-NLS-2$

		drive = new Combo(installerUIGroup.getGroup(), SWT.READ_ONLY);

		for (int i=0; i<driveLetterArray.length; i++) {

			drive.add(driveLetterArray[i]);

		}

		data = new GridData();

		data.horizontalSpan = 1;

		drive.setLayoutData(data);

		drive.setToolTipText(Messages.getString("InstallationTab.12")); //$NON-NLS-1$

		drive.addModifyListener(new ModifyListener() {

			public void modifyText(ModifyEvent e) {

				updateLaunchConfigurationDialog();

			}

		});

	}

	protected void createPUInstallerUIGroup(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 data = new GridData(GridData.FILL_HORIZONTAL);

		data.horizontalSpan = colSpan;

		projComp.setLayoutData(data);

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

		puLabel.setText(Messages.getString("InstallationTab.puLabel")); //$NON-NLS-1$

		data = new GridData();

		data.horizontalSpan = 2;

		puLabel.setLayoutData(data);

		puLabel.setToolTipText(Messages.getString("InstallationTab.puTooltip")); //$NON-NLS-1$

		puPath = new Text(projComp, SWT.BORDER);

		data = new GridData(GridData.FILL_HORIZONTAL);

		data.horizontalSpan = 2;

		puPath.setLayoutData(data);

		puPath.setToolTipText(Messages.getString("InstallationTab.puTooltip")); //$NON-NLS-1$

		puPath.setEditable(false);

		puLink = new Link(projComp, SWT.NONE);

		puLink.setText("<a>" + Messages.getString("InstallationTab.puHyperlink") + "...</a>"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$

		data = new GridData(GridData.FILL_HORIZONTAL);

		puLink.setLayoutData(data);

		puLink.addSelectionListener(new SelectionAdapter() {

			public void widgetSelected(SelectionEvent e) {

				// listen for events so we can detect if they click on the link below and change sis info.

				CoreModel.getDefault().getProjectDescriptionManager().addCProjectDescriptionListener(InstallationTab.this, CProjectDescriptionEvent.APPLIED);

				PreferencesUtil.createPropertyDialogOn(getShell(), getProject(), "com.nokia.carbide.cdt.internal.builder.ui.CarbideBuildConfigurationsPage", null, null).open(); //$NON-NLS-1$

			}

		});

	}

	/* (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 {

			hostPath.setText(configuration.getAttribute( PreferenceConstants.J_PN_SisFileHostPath, "")); //$NON-NLS-1$

			targetPath.setText(configuration.getAttribute( PreferenceConstants.J_PN_SisFileTargetPath, "")); //$NON-NLS-1$

			forceInstall.setSelection(configuration.getAttribute( PreferenceConstants.J_PN_AlwaysInstallSisFile, false));

			installerUIGroup.setSelection(configuration.getAttribute( PreferenceConstants.J_PN_HideInstallerUI, true));

			drive.select(configuration.getAttribute( PreferenceConstants.J_PN_InstallToDrive, 2));

			// cache the configuration

			this.configuration = configuration;

			// update the pu stuff

			updatePULabel();

			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_SisFileHostPath, hostPath.getText());

		configuration.setAttribute( PreferenceConstants.J_PN_SisFileTargetPath, targetPath.getText());

		configuration.setAttribute( PreferenceConstants.J_PN_AlwaysInstallSisFile, forceInstall.getSelection());

		configuration.setAttribute( PreferenceConstants.J_PN_HideInstallerUI, installerUIGroup.getSelection());

		configuration.setAttribute( PreferenceConstants.J_PN_InstallToDrive, drive.getSelectionIndex());

	}

	/* (non-Javadoc)

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

	 */

	public String getName() {

		return Messages.getString("InstallationTab.13"); //$NON-NLS-1$

	}

	/*

	 * (non-Javadoc)

	 * 

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

	 */

	public Image getImage() {

		return LaunchImages.get(LaunchImages.IMG_VIEW_INSTALLATION_TAB);

	}

	protected void checkControlState()

	{

	}

	public boolean isValid(ILaunchConfiguration config) {

		setErrorMessage(null);

		setMessage(null);

		boolean result = super.isValid(config);

		if (result) {

			String pcPath = hostPath.getText().trim();

			if (pcPath.length() < 1) {

				// allow this but put a note at the top about it.

				setMessage(Messages.getString("InstallationTab.14")); //$NON-NLS-1$

			} else {

				if (!new File(pcPath).exists()) {

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

				}

			}

			String remotePath = targetPath.getText().trim();

			if (remotePath.length() < 1) {

				setErrorMessage(Messages.getString("InstallationTab.16")); //$NON-NLS-1$

				result = false;

			} else if (remotePath.length() < 3) {

				setErrorMessage(Messages.getString("InstallationTab.17")); //$NON-NLS-1$

				result = false;

			} else {

				char drive = remotePath.charAt(0);

				char colon = remotePath.charAt(1);

				if (!Character.isLetter(drive) || colon != ':') { 

					setErrorMessage(Messages.getString("InstallationTab.17")); //$NON-NLS-1$

					result = false;

				}

			}

			// make sure the drive to install on matches the drive of the process to launch

			try {

				if (installerUIGroup.getSelection()) {

					String remoteProcess = config.getAttribute(PreferenceConstants.J_PN_RemoteProcessToLaunch, ""); //$NON-NLS-1$

					if (remoteProcess.length() > 0) {

						char driveLetter = remoteProcess.toUpperCase().charAt(0);						

						int driveIndex = drive.getSelectionIndex();

						if (driveLetter != driveLetterArray[driveIndex].charAt(0)) {

							setErrorMessage(Messages.getString("InstallationTab.18")); //$NON-NLS-1$

							result = false;

						}

					}

				}

			} catch (CoreException e) {

				LaunchPlugin.log(e);

			}

		}

		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();

	}

	private void updatePULabel() {

		puLabel.setVisible(false);

		puPath.setVisible(false);

		puLink.setVisible(false);

		puPath.setText(""); //$NON-NLS-1$

		if (configuration == null) {

			return;

		}

		try {

			ILaunchConfigurationWorkingCopy config = configuration.getWorkingCopy();

			String buildConfigName = config.getAttribute(ICDTLaunchConfigurationConstants.ATTR_PROJECT_BUILD_CONFIG_ID, "");

			if (buildConfigName.length() > 0) {

	    		IProject project = getProject();

	    		if (project != null) {

			        ICarbideProjectInfo cpi = CarbideBuilderPlugin.getBuildManager().getProjectInfo(project);

			        if (cpi != null) {

			        	for (ICarbideBuildConfiguration buildConfig : cpi.getBuildConfigurations()) {

			        		if (buildConfig.getDisplayString().equals(buildConfigName)) {

			        			// enable the controls for EKA2 configs

			        			if (buildConfig.getSDK().isEKA2()) {

			        				puLabel.setVisible(true);

			        				puPath.setVisible(true);

			        				puLink.setVisible(true);

			        			}

								IPath puSisPath = CarbideCPPBuilder.getPartialUpgradeSisPath(buildConfig, new Path(hostPath.getText().trim()));

								if (puSisPath == null) {

									puPath.setText(Messages.getString("InstallationTab.puNotEnabled")); //$NON-NLS-1$

								} else if (!puSisPath.toFile().exists()) {

									puPath.setText(Messages.getString("InstallationTab.puNotAvailable")); //$NON-NLS-1$

								} else {

									puPath.setText(puSisPath.toOSString());

								}

								if (puSisPath != null && puSisPath.toFile().exists()) {

								}

				        		break;

			        		}

			        	}

			        }

	    		}

			}

		} catch (CoreException e) {

			e.printStackTrace();

		}

	}

	private IProject getProject() {

		try {

			String projectName = configuration.getAttribute(ICDTLaunchConfigurationConstants.ATTR_PROJECT_NAME, "");

	    	if (projectName.length() > 0) {

	    		return ResourcesPlugin.getWorkspace().getRoot().getProject(projectName);

	    	}

		} catch (CoreException e) {

			e.printStackTrace();

			LaunchPlugin.log(e);

		}

		return null;

	}

	public void handleEvent(CProjectDescriptionEvent event) {

		if (event.getProject() != getProject()) {

			return;

		}

		updatePULabel();

	}

	@Override

	public void dispose() {

		CoreModel.getDefault().getProjectDescriptionManager().removeCProjectDescriptionListener(this);

		super.dispose();

	}

}