/*

* 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.wizard;

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

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

import com.nokia.cpp.internal.api.utils.core.Check;

import cwdbg.PreferenceConstants;

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.core.resources.IProject;

import org.eclipse.core.runtime.IPath;

import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;

import org.eclipse.jface.dialogs.Dialog;

import org.eclipse.jface.wizard.WizardPage;

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 org.eclipse.ui.PlatformUI;

import org.eclipse.ui.dialogs.PreferencesUtil;

import java.io.File;

import java.text.MessageFormat;

public class TRKSISSelectionWizardPage extends WizardPage implements ICProjectDescriptionListener {

    private boolean isDisposed = false;

	private Combo sisFile;

	private String sisPath = ""; //$NON-NLS-1$

	private Text sisEdit;

	private Button sisBrowse;

	private final ISummaryTextItemContainer summaryTextItemContainer;

    public TRKSISSelectionWizardPage(ISummaryTextItemContainer summaryTextItemContainer) {

        super(Messages.getString("TRKSISSelectionWizardPage.0")); //$NON-NLS-1$

		Check.checkArg(summaryTextItemContainer);

		this.summaryTextItemContainer = summaryTextItemContainer;

        setPageComplete(false);

        setTitle(Messages.getString("TRKSISSelectionWizardPage.0")); //$NON-NLS-1$

        setDescription(Messages.getString("TRKSISSelectionWizardPage.1")); //$NON-NLS-1$

    }

    public void dispose() {

    	isDisposed = true;

    	setSisPath();

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

    	super.dispose();

    }

	/*

     * @see IDialogPage#createControl(Composite)

     */

    public void createControl(Composite parent) {

        Composite composite = new Composite(parent, SWT.NULL);

        GridLayout layout = new GridLayout();

        layout.numColumns = 2;

        composite.setLayout(layout);

        GridData data = new GridData();

        composite.setLayoutData(data);

		AbstractLaunchWizard wizard = (AbstractLaunchWizard) getWizard();

		final IProject project = wizard.getProject();

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

		if (cpi != null) {

			final Label sisLabel = new Label(composite, SWT.NONE);

			sisLabel.setText(Messages.getString("TRKSISSelectionWizardPage.2")); //$NON-NLS-1$

			data = new GridData();

			data.horizontalSpan = 1;

			sisLabel.setLayoutData(data);

			sisLabel.setToolTipText(Messages.getString("TRKSISSelectionWizardPage.3")); //$NON-NLS-1$

			sisFile = new Combo(composite, SWT.READ_ONLY);

			data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);

			data.horizontalSpan = 1;

			sisFile.setLayoutData(data);

			sisFile.setToolTipText(Messages.getString("TRKSISSelectionWizardPage.3")); //$NON-NLS-1$

			sisFile.add(Messages.getString("TRKSISSelectionWizardPage.5")); //$NON-NLS-1$

			ICarbideBuildConfiguration config = cpi.getDefaultConfiguration();

			for (ISISBuilderInfo info : config.getSISBuilderInfoList()) {

				IPath sisPath = info.getSigningType() == ISISBuilderInfo.DONT_SIGN ? info.getUnsignedSISFullPath() : info.getSignedSISFullPath();

				sisFile.add(sisPath.toOSString());

			}

			// select the first sis file if any, otherwise select none

			if (sisFile.getItemCount() > 1) {

				sisFile.select(1);

			} else {

				sisFile.select(0);

			}

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

			CoreModel.getDefault().getProjectDescriptionManager().addCProjectDescriptionListener(this, CProjectDescriptionEvent.DATA_APPLIED);

			Link link = new Link(composite, SWT.NONE);

			link.setText("<a>" + Messages.getString("TRKSISSelectionWizardPage.4") + "...</a>"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$

			link.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 2, 1));

			link.addSelectionListener(new SelectionAdapter() {

				public void widgetSelected(SelectionEvent e) {

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

				}

			});

		} else {

			// not a Carbide project, just an executable.  show a browse/edit combo

			// to let them select a sis file if they want to.

			final Label sisLabel = new Label(composite, SWT.NONE);

			sisLabel.setText(Messages.getString("TRKSISSelectionWizardPage.2")); //$NON-NLS-1$

			data = new GridData();

			data.horizontalSpan = 2;

			sisLabel.setLayoutData(data);

			sisLabel.setToolTipText(Messages.getString("TRKSISSelectionWizardPage.3")); //$NON-NLS-1$

			sisEdit = new Text(composite, SWT.BORDER);

			sisEdit.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));

			sisEdit.setToolTipText(Messages.getString("TRKSISSelectionWizardPage.3")); //$NON-NLS-1$

			sisEdit.addModifyListener(new ModifyListener() {

				public void modifyText(ModifyEvent e) {

					checkValid();

				}

			});

			sisBrowse = new Button(composite, SWT.NONE);

			sisBrowse.setText(Messages.getString("TRKSISSelectionWizardPage.9")); //$NON-NLS-1$

			sisBrowse.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, false, false));

			sisBrowse.addSelectionListener(new SelectionAdapter() {

				public void widgetSelected(SelectionEvent evt) {

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

					dialog.setText(Messages.getString("TRKSISSelectionWizardPage.6")); //$NON-NLS-1$

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

					dialog.setFilterNames(new String[] {Messages.getString("TRKSISSelectionWizardPage.7"), Messages.getString("TRKSISSelectionWizardPage.8")}); //$NON-NLS-1$ //$NON-NLS-2$

					String result = dialog.open();

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

						sisEdit.setText(result);

						checkValid();

					}

				}

			});

		}

		setControl(composite);

        Dialog.applyDialogFont(parent);

        setPageComplete(true);

    }

    private void checkValid() {

    	setErrorMessage(null);

    	if (sisEdit != null) {

    		String text = sisEdit.getText().trim();

    		if (text.length() > 0) {

    			// empty is allowed, but if they specify something, make sure

    			// it exists

    			File file = new File(text);

    			if (!file.exists()) {

    				setErrorMessage(Messages.getString("TRKSISSelectionWizardPage.10")); //$NON-NLS-1$

    			}

    		}

    	}

    }

    private void setSisPath() {

    	if (sisFile != null) {

        	sisPath = sisFile.getSelectionIndex() == 0 ? "" : sisFile.getText(); //$NON-NLS-1$

    	} else if (sisEdit != null) {

    		sisPath = sisEdit.getText();

    	}

    }

    void updateConfiguration(ILaunchConfigurationWorkingCopy config) {

    	if (!isDisposed)

    		setSisPath();

   		config.setAttribute(PreferenceConstants.J_PN_SisFileHostPath, sisPath);

    }

    @Override

    public void performHelp() {

		PlatformUI.getWorkbench().getHelpSystem().displayHelp(LaunchWizardHelpIds.WIZARD_TRK_SIS_SELECTION_PAGE);

    }

	public void handleEvent(CProjectDescriptionEvent event) {

		if (isDisposed || !isCurrentPage()) {

			return;

		}

		IProject project = event.getProject() ;

		AbstractLaunchWizard wizard = (AbstractLaunchWizard) getWizard();

		if (project != wizard.getProject()) {

			return;

		}

		if (sisFile != null) {

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

			if (cpi != null) {

				sisFile.removeAll();

				sisFile.add(Messages.getString("TRKSISSelectionWizardPage.5")); //$NON-NLS-1$

				ICarbideBuildConfiguration config = cpi.getDefaultConfiguration();

				for (ISISBuilderInfo info : config.getSISBuilderInfoList()) {

					IPath sisPath = info.getSigningType() == ISISBuilderInfo.DONT_SIGN ? info.getUnsignedSISFullPath() : info.getSignedSISFullPath();

					sisFile.add(sisPath.toOSString());

				}

				// select the first sis file if any, otherwise select none

				if (sisFile.getItemCount() > 1) {

					sisFile.select(1);

				} else {

					sisFile.select(0);

				}

			}

		}

	}

    public void setVisible(boolean visible) {

    	super.setVisible(visible);

    	if (!visible) {

    		setSisPath();

    		summaryTextItemContainer.putSummaryTextItem("SisFile",  //$NON-NLS-1$

    				MessageFormat.format("{0} {1}", new Object[] { //$NON-NLS-1$

    						Messages.getString("TRKSISSelectionWizardPage.2"), //$NON-NLS-1$

    						sisPath.length() == 0 ? Messages.getString("TRKSISSelectionWizardPage.5") : sisPath})); //$NON-NLS-1$

    	}

    }

}