kr.simula.formula.ide.launcher.ui.FormulaCommonTab.java Source code

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/* 
 * Copyright (c) 2012 IkChan Kwon kighie@gmail.com
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package kr.simula.formula.ide.launcher.ui;

import java.io.IOException;
import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import kr.simula.formula.ide.launcher.FormulaLauncherPlugin;

import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IWorkspaceRoot;
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.core.variables.VariablesPlugin;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.ILaunchConfiguration;
import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;
import org.eclipse.debug.internal.ui.DebugUIPlugin;
import org.eclipse.debug.internal.ui.IDebugHelpContextIds;
import org.eclipse.debug.internal.ui.IInternalDebugUIConstants;
import org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationManager;
import org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationsMessages;
import org.eclipse.debug.internal.ui.launchConfigurations.LaunchGroupExtension;
import org.eclipse.debug.internal.ui.launchConfigurations.LaunchHistory;
import org.eclipse.debug.ui.AbstractLaunchConfigurationTab;
import org.eclipse.debug.ui.DebugUITools;
import org.eclipse.debug.ui.IDebugUIConstants;
import org.eclipse.debug.ui.ILaunchGroup;
import org.eclipse.debug.ui.StringVariableSelectionDialog;
import org.eclipse.dltk.core.DLTKCore;
import org.eclipse.dltk.core.environment.EnvironmentManager;
import org.eclipse.dltk.core.environment.IExecutionEnvironment;
import org.eclipse.dltk.core.environment.IFileHandle;
import org.eclipse.dltk.internal.ui.util.SWTUtil;
import org.eclipse.dltk.launching.ScriptLaunchConfigurationConstants;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.IDialogSettings;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.CheckStateChangedEvent;
import org.eclipse.jface.viewers.CheckboxTableViewer;
import org.eclipse.jface.viewers.ICheckStateListener;
import org.eclipse.jface.viewers.ILabelProviderListener;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.Viewer;
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.events.SelectionListener;
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.Control;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.WorkbenchEncoding;
import org.eclipse.ui.dialogs.ContainerSelectionDialog;
import org.eclipse.ui.dialogs.ElementTreeSelectionDialog;
import org.eclipse.ui.ide.IDEEncoding;
import org.eclipse.ui.model.WorkbenchContentProvider;
import org.eclipse.ui.model.WorkbenchLabelProvider;
import org.eclipse.ui.views.navigator.ResourceSorter;

/**
 * <pre></pre>
 * @author kighie@gmail.com
 * @since 1.0
 */
public class FormulaCommonTab extends AbstractLaunchConfigurationTab {

    /**
     * Provides a persistable dialog for selecting the shared project location
     */
    class SharedLocationSelectionDialog extends ContainerSelectionDialog {
        private final String SETTINGS_ID = IDebugUIConstants.PLUGIN_ID + ".SHARED_LAUNCH_CONFIGURATON_DIALOG"; //$NON-NLS-1$

        public SharedLocationSelectionDialog(Shell parentShell, IContainer initialRoot,
                boolean allowNewContainerName, String message) {
            super(parentShell, initialRoot, allowNewContainerName, message);
        }

        protected IDialogSettings getDialogBoundsSettings() {
            IDialogSettings settings = DebugUIPlugin.getDefault().getDialogSettings();
            IDialogSettings section = settings.getSection(SETTINGS_ID);
            if (section == null) {
                section = settings.addNewSection(SETTINGS_ID);
            }
            return section;
        }
    }

    private static final String EMPTY_STRING = ""; //$NON-NLS-1$

    // Local/shared UI widgets
    private Button fLocalRadioButton;

    private Button fSharedRadioButton;

    private Text fSharedLocationText;

    private Button fSharedLocationButton;

    private Button fLaunchInBackgroundButton;

    private Button fDefaultEncodingButton;

    private Button fAltEncodingButton;

    private Combo fEncodingCombo;

    private Button fConsoleOutput;

    private Button fFileOutput;

    private Button fFileBrowse;

    private Text fFileText;

    private Button fVariables;

    private Button fAppend;

    private Button fWorkspaceBrowse;

    private Button fUseDltkRadio;
    private Button fNotUseDltkRatio;

    /**
     * Check box list for specifying favorites
     */
    private CheckboxTableViewer fFavoritesTable;

    /**
     * Modify listener that simply updates the owning launch configuration
     * dialog.
     */
    private ModifyListener fBasicModifyListener = new ModifyListener() {
        public void modifyText(ModifyEvent evt) {
            updateLaunchConfigurationDialog();
        }
    };

    /*
     * (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(),
                IDebugHelpContextIds.LAUNCH_CONFIGURATION_DIALOG_COMMON_TAB);
        comp.setLayout(new GridLayout(2, true));
        comp.setFont(parent.getFont());

        createSharedConfigComponent(comp);
        createFavoritesComponent(comp);
        createEncodingComponent(comp);
        createOutputCaptureComponent(comp);
        createLaunchInBackgroundComponent(comp);
    }

    /**
     * Creates the favorites control
     * 
     * @param parent
     *            the parent composite to add this one to
     * 
     */
    private void createFavoritesComponent(Composite parent) {
        Group favComp = SWTUtil.createGroup(parent,
                LaunchConfigurationsMessages.CommonTab_Display_in_favorites_menu__10, 1, 1, GridData.FILL_BOTH);
        fFavoritesTable = CheckboxTableViewer.newCheckList(favComp,
                SWT.CHECK | SWT.BORDER | SWT.MULTI | SWT.FULL_SELECTION);
        Control table = fFavoritesTable.getControl();
        GridData gd = new GridData(GridData.FILL_BOTH);
        table.setLayoutData(gd);
        table.setFont(parent.getFont());
        fFavoritesTable.setContentProvider(new FavoritesContentProvider());
        fFavoritesTable.setLabelProvider(new FavoritesLabelProvider());
        fFavoritesTable.addCheckStateListener(new ICheckStateListener() {
            public void checkStateChanged(CheckStateChangedEvent event) {
                updateLaunchConfigurationDialog();
            }
        });
    }

    /**
     * Creates the shared config component
     * 
     * @param parent
     *            the parent composite to add this component to
     * 
     */
    private void createSharedConfigComponent(Composite parent) {
        Group group = SWTUtil.createGroup(parent, LaunchConfigurationsMessages.CommonTab_0, 3, 2,
                GridData.FILL_HORIZONTAL);
        fLocalRadioButton = createRadioButton(group, LaunchConfigurationsMessages.CommonTab_L_ocal_3);
        GridData gd = new GridData();
        gd.horizontalSpan = 3;
        fLocalRadioButton.setLayoutData(gd);
        fSharedRadioButton = createRadioButton(group, LaunchConfigurationsMessages.CommonTab_S_hared_4);
        fSharedRadioButton.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent evt) {
                handleSharedRadioButtonSelected();
            }
        });
        fSharedLocationText = SWTUtil.createSingleText(group, 1);
        fSharedLocationText.addModifyListener(fBasicModifyListener);
        fSharedLocationButton = createPushButton(group, LaunchConfigurationsMessages.CommonTab__Browse_6, null);
        fSharedLocationButton.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent evt) {
                handleSharedLocationButtonSelected();
            }
        });

        fLocalRadioButton.setSelection(true);
        setSharedEnabled(false);
    }

    /**
     * Creates the component set for the capture output composite
     * 
     * @param parent
     *            the parent to add this component to
     */

    private void test() {

    }

    private void createOutputCaptureComponent(Composite parent) {
        Group group = SWTUtil.createGroup(parent, "Input and Output", 1, 2, GridData.FILL_HORIZONTAL);

        fUseDltkRadio = createRadioButton(group, "Use DLTK Input and Output");
        fUseDltkRadio.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent e) {
                updateLaunchConfigurationDialog();
            }
        });

        fNotUseDltkRatio = createRadioButton(group, "Use Standard Input and Output");
        fNotUseDltkRatio.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent e) {
                updateLaunchConfigurationDialog();
            }
        });

        Group standardGroup = SWTUtil.createGroup(group, "", 5, 2, GridData.FILL_HORIZONTAL);

        fConsoleOutput = createCheckButton(standardGroup, LaunchConfigurationsMessages.CommonTab_5);
        GridData gd = new GridData(SWT.BEGINNING, SWT.NORMAL, true, false);
        gd.horizontalSpan = 5;
        fConsoleOutput.setLayoutData(gd);
        fConsoleOutput.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent e) {
                updateLaunchConfigurationDialog();
            }
        });

        fFileOutput = createCheckButton(standardGroup, LaunchConfigurationsMessages.CommonTab_6);
        fFileOutput.setLayoutData(new GridData(SWT.BEGINNING, SWT.NORMAL, false, false));
        fFileOutput.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent e) {
                enableOuputCaptureWidgets(fFileOutput.getSelection());
                updateLaunchConfigurationDialog();
            }
        });
        fFileText = SWTUtil.createSingleText(standardGroup, 4);
        fFileText.addModifyListener(fBasicModifyListener);

        SWTUtil.createLabel(standardGroup, EMPTY_STRING, 2);

        fWorkspaceBrowse = createPushButton(standardGroup, LaunchConfigurationsMessages.CommonTab_12, null);
        fWorkspaceBrowse.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent e) {
                ElementTreeSelectionDialog dialog = new ElementTreeSelectionDialog(getShell(),
                        new WorkbenchLabelProvider(), new WorkbenchContentProvider());
                dialog.setTitle(LaunchConfigurationsMessages.CommonTab_13);
                dialog.setMessage(LaunchConfigurationsMessages.CommonTab_14);
                dialog.setInput(ResourcesPlugin.getWorkspace().getRoot());
                dialog.setSorter(new ResourceSorter(ResourceSorter.NAME));
                if (dialog.open() == IDialogConstants.OK_ID) {
                    IResource resource = (IResource) dialog.getFirstResult();
                    String arg = resource.getFullPath().toString();
                    String fileLoc = VariablesPlugin.getDefault().getStringVariableManager()
                            .generateVariableExpression("workspace_loc", arg); //$NON-NLS-1$
                    fFileText.setText(fileLoc);
                }
            }
        });
        fFileBrowse = createPushButton(standardGroup, LaunchConfigurationsMessages.CommonTab_7, null);
        fFileBrowse.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent e) {
                String filePath = fFileText.getText();
                FileDialog dialog = new FileDialog(getShell(), SWT.SAVE);
                filePath = dialog.open();
                if (filePath != null) {
                    fFileText.setText(filePath);
                }
            }
        });
        fVariables = createPushButton(standardGroup, LaunchConfigurationsMessages.CommonTab_9, null);
        fVariables.addSelectionListener(new SelectionListener() {
            public void widgetSelected(SelectionEvent e) {
                StringVariableSelectionDialog dialog = new StringVariableSelectionDialog(getShell());
                dialog.open();
                String variable = dialog.getVariableExpression();
                if (variable != null) {
                    fFileText.insert(variable);
                }
            }

            public void widgetDefaultSelected(SelectionEvent e) {
            }
        });
        fAppend = createCheckButton(standardGroup, LaunchConfigurationsMessages.CommonTab_11);
        gd = new GridData(SWT.LEFT, SWT.TOP, true, false);
        gd.horizontalSpan = 4;
        fAppend.setLayoutData(gd);
        fAppend.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent e) {
                updateLaunchConfigurationDialog();
            }
        });
    }

    /**
     * Enables or disables the output capture widgets based on the the specified
     * enablement
     * 
     * @param enable
     *            if the output capture widgets should be enabled or not
     * 
     */
    private void enableOuputCaptureWidgets(boolean enable) {
        fFileText.setEnabled(enable);
        fFileBrowse.setEnabled(enable);
        fWorkspaceBrowse.setEnabled(enable);
        fVariables.setEnabled(enable);
        fAppend.setEnabled(enable);
    }

    /**
     * Creates the encoding component
     * 
     * @param parent
     *            the parent to add this composite to
     */
    private void createEncodingComponent(Composite parent) {
        List allEncodings = IDEEncoding.getIDEEncodings();
        String defaultEncoding = WorkbenchEncoding.getWorkbenchDefaultEncoding();
        Group group = SWTUtil.createGroup(parent, LaunchConfigurationsMessages.CommonTab_1, 2, 1,
                GridData.FILL_BOTH);

        fDefaultEncodingButton = createRadioButton(group,
                MessageFormat.format(LaunchConfigurationsMessages.CommonTab_2, new String[] { defaultEncoding }));
        GridData gd = new GridData(SWT.BEGINNING, SWT.NORMAL, true, false);
        gd.horizontalSpan = 2;
        fDefaultEncodingButton.setLayoutData(gd);

        fAltEncodingButton = createRadioButton(group, LaunchConfigurationsMessages.CommonTab_3);
        fAltEncodingButton.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING));

        fEncodingCombo = new Combo(group, SWT.READ_ONLY);
        fEncodingCombo.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
        fEncodingCombo.setFont(parent.getFont());
        String[] encodingArray = (String[]) allEncodings.toArray(new String[0]);
        fEncodingCombo.setItems(encodingArray);
        if (encodingArray.length > 0) {
            fEncodingCombo.select(0);
        }
        SelectionListener listener = new SelectionAdapter() {
            public void widgetSelected(SelectionEvent e) {
                updateLaunchConfigurationDialog();
                fEncodingCombo.setEnabled(fAltEncodingButton.getSelection() == true);
            }
        };
        fAltEncodingButton.addSelectionListener(listener);
        fDefaultEncodingButton.addSelectionListener(listener);
        fEncodingCombo.addSelectionListener(listener);
    }

    /**
     * Creates the controls needed to edit the launch in background attribute of
     * an external tool
     * 
     * @param parent
     *            the composite to create the controls in
     */
    protected void createLaunchInBackgroundComponent(Composite parent) {
        fLaunchInBackgroundButton = createCheckButton(parent, LaunchConfigurationsMessages.CommonTab_10);
        GridData data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
        data.horizontalSpan = 2;
        fLaunchInBackgroundButton.setLayoutData(data);
        fLaunchInBackgroundButton.setFont(parent.getFont());
        fLaunchInBackgroundButton.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent e) {
                updateLaunchConfigurationDialog();
            }
        });
    }

    /**
     * handles the shared radio button being selected
     */
    private void handleSharedRadioButtonSelected() {
        setSharedEnabled(isShared());
        updateLaunchConfigurationDialog();
    }

    /**
     * Sets the widgets for specifying that a launch configuration is to be
     * shared to the enable value
     * 
     * @param enable
     *            the enabled value for
     */
    private void setSharedEnabled(boolean enable) {
        fSharedLocationText.setEnabled(enable);
        fSharedLocationButton.setEnabled(enable);
    }

    private String getDefaultSharedConfigLocation(ILaunchConfiguration config) {
        String path = EMPTY_STRING;
        try {
            IResource[] res = config.getMappedResources();
            if (res != null) {
                IProject proj;
                for (int i = 0; i < res.length; i++) {
                    proj = res[i].getProject();
                    if (proj.isAccessible()) {
                        return proj.getFullPath().toOSString();
                    }
                }
            }
        } catch (CoreException e) {
            DebugUIPlugin.log(e);
        }
        return path;
    }

    /**
     * if the shared radio button is selected, indicating that the launch
     * configuration is to be shared
     * 
     * @return true if the radio button is selected, false otherwise
     */
    private boolean isShared() {
        return fSharedRadioButton.getSelection();
    }

    /**
     * Handles the shared location button being selected
     */
    private void handleSharedLocationButtonSelected() {
        String currentContainerString = fSharedLocationText.getText();
        IContainer currentContainer = getContainer(currentContainerString);
        SharedLocationSelectionDialog dialog = new SharedLocationSelectionDialog(getShell(), currentContainer,
                false, LaunchConfigurationsMessages.CommonTab_Select_a_location_for_the_launch_configuration_13);
        dialog.showClosedProjects(false);
        dialog.open();
        Object[] results = dialog.getResult();
        if ((results != null) && (results.length > 0) && (results[0] instanceof IPath)) {
            IPath path = (IPath) results[0];
            String containerName = path.toOSString();
            fSharedLocationText.setText(containerName);
        }
    }

    /**
     * gets the container form the specified path
     * 
     * @param path
     *            the path to get the container from
     * @return the container for the specified path or null if one cannot be
     *         determined
     */
    private IContainer getContainer(String path) {
        Path containerPath = new Path(path);
        return (IContainer) getWorkspaceRoot().findMember(containerPath);
    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * org.eclipse.debug.ui.ILaunchConfigurationTab#initializeFrom(org.eclipse
     * .debug.core.ILaunchConfiguration)
     */
    public void initializeFrom(ILaunchConfiguration configuration) {
        boolean isShared = !configuration.isLocal();
        fSharedRadioButton.setSelection(isShared);
        fLocalRadioButton.setSelection(!isShared);
        setSharedEnabled(isShared);
        fSharedLocationText.setText(getDefaultSharedConfigLocation(configuration));
        if (isShared) {
            String containerName = EMPTY_STRING;
            IFile file = configuration.getFile();
            if (file != null) {
                IContainer parent = file.getParent();
                if (parent != null) {
                    containerName = parent.getFullPath().toOSString();
                }
            }
            fSharedLocationText.setText(containerName);
        }
        updateFavoritesFromConfig(configuration);
        updateLaunchInBackground(configuration);
        updateEncoding(configuration);
        updateConsoleOutput(configuration);
    }

    /**
     * Updates the console output form the local configuration
     * 
     * @param configuration
     *            the local configuration
     */
    private void updateConsoleOutput(ILaunchConfiguration configuration) {
        boolean outputToConsole = true;
        String outputFile = null;
        boolean append = false;

        boolean dltkOutput = false;

        try {
            dltkOutput = configuration.getAttribute(ScriptLaunchConfigurationConstants.ATTR_USE_INTERACTIVE_CONSOLE,
                    false);

            outputToConsole = configuration.getAttribute(IDebugUIConstants.ATTR_CAPTURE_IN_CONSOLE, true);
            outputFile = configuration.getAttribute(IDebugUIConstants.ATTR_CAPTURE_IN_FILE, (String) null);
            append = configuration.getAttribute(IDebugUIConstants.ATTR_APPEND_TO_FILE, false);
        } catch (CoreException e) {
        }

        fUseDltkRadio.setSelection(dltkOutput);
        fNotUseDltkRatio.setSelection(!dltkOutput);

        fConsoleOutput.setSelection(outputToConsole);
        fAppend.setSelection(append);
        boolean haveOutputFile = outputFile != null;
        if (haveOutputFile) {
            fFileText.setText(outputFile);
        }
        fFileOutput.setSelection(haveOutputFile);
        enableOuputCaptureWidgets(haveOutputFile);
    }

    /**
     * Updates the launch on background check button
     * 
     * @param configuration
     *            the local launch configuration
     */
    protected void updateLaunchInBackground(ILaunchConfiguration configuration) {
        fLaunchInBackgroundButton.setSelection(isLaunchInBackground(configuration));
    }

    /**
     * Updates the encoding
     * 
     * @param configuration
     *            the local configuration
     */
    private void updateEncoding(ILaunchConfiguration configuration) {
        String encoding = null;
        try {
            encoding = configuration.getAttribute(IDebugUIConstants.ATTR_CONSOLE_ENCODING, (String) null);
        } catch (CoreException e) {
        }

        if (encoding != null) {
            fAltEncodingButton.setSelection(true);
            fDefaultEncodingButton.setSelection(false);
            fEncodingCombo.setText(encoding);
            fEncodingCombo.setEnabled(true);
        } else {
            fDefaultEncodingButton.setSelection(true);
            fAltEncodingButton.setSelection(false);
            fEncodingCombo.setEnabled(false);
        }
    }

    /**
     * Returns whether the given configuration should be launched in the
     * background.
     * 
     * @param configuration
     *            the configuration
     * @return whether the configuration is configured to launch in the
     *         background
     */
    public static boolean isLaunchInBackground(ILaunchConfiguration configuration) {
        boolean launchInBackground = true;
        try {
            launchInBackground = configuration.getAttribute(IDebugUIConstants.ATTR_LAUNCH_IN_BACKGROUND, true);
        } catch (CoreException ce) {
            DebugUIPlugin.log(ce);
        }
        return launchInBackground;
    }

    /**
     * Updates the favorites selections from the local configuration
     * 
     * @param config
     *            the local configuration
     */
    private void updateFavoritesFromConfig(ILaunchConfiguration config) {
        fFavoritesTable.setInput(config);
        fFavoritesTable.setCheckedElements(new Object[] {});
        try {
            List groups = config.getAttribute(IDebugUIConstants.ATTR_FAVORITE_GROUPS, new ArrayList());
            if (groups.isEmpty()) {
                // check old attributes for backwards compatible
                if (config.getAttribute(IDebugUIConstants.ATTR_DEBUG_FAVORITE, false)) {
                    groups.add(IDebugUIConstants.ID_DEBUG_LAUNCH_GROUP);
                }
                if (config.getAttribute(IDebugUIConstants.ATTR_RUN_FAVORITE, false)) {
                    groups.add(IDebugUIConstants.ID_RUN_LAUNCH_GROUP);
                }
            }
            if (!groups.isEmpty()) {
                List list = new ArrayList();
                Iterator iterator = groups.iterator();
                while (iterator.hasNext()) {
                    String id = (String) iterator.next();
                    LaunchGroupExtension extension = getLaunchConfigurationManager().getLaunchGroup(id);
                    list.add(extension);
                }
                fFavoritesTable.setCheckedElements(list.toArray());
            }
        } catch (CoreException e) {
            DebugUIPlugin.log(e);
        }
    }

    /**
     * Updates the configuration form the local shared config working copy
     * 
     * @param config
     *            the local shared config working copy
     */
    private void updateConfigFromLocalShared(ILaunchConfigurationWorkingCopy config) {
        if (isShared()) {
            String containerPathString = fSharedLocationText.getText();
            IContainer container = getContainer(containerPathString);
            config.setContainer(container);
        } else {
            config.setContainer(null);
        }
    }

    /**
     * Convenience accessor
     */
    protected LaunchConfigurationManager getLaunchConfigurationManager() {
        return DebugUIPlugin.getDefault().getLaunchConfigurationManager();
    }

    /**
     * Update the favorite settings.
     * 
     * NOTE: set to <code>null</code> instead of <code>false</code> for
     * backwards compatibility when comparing if content is equal, since 'false'
     * is default and will be missing for older configurations.
     */
    private void updateConfigFromFavorites(ILaunchConfigurationWorkingCopy config) {
        try {
            Object[] checked = fFavoritesTable.getCheckedElements();
            boolean debug = config.getAttribute(IDebugUIConstants.ATTR_DEBUG_FAVORITE, false);
            boolean run = config.getAttribute(IDebugUIConstants.ATTR_RUN_FAVORITE, false);
            if (debug || run) {
                // old attributes
                List groups = new ArrayList();
                int num = 0;
                if (debug) {
                    groups.add(getLaunchConfigurationManager()
                            .getLaunchGroup(IDebugUIConstants.ID_DEBUG_LAUNCH_GROUP));
                    num++;
                }
                if (run) {
                    num++;
                    groups.add(getLaunchConfigurationManager()
                            .getLaunchGroup(IDebugUIConstants.ID_DEBUG_LAUNCH_GROUP));
                }
                // see if there are any changes
                if (num == checked.length) {
                    boolean different = false;
                    for (int i = 0; i < checked.length; i++) {
                        if (!groups.contains(checked[i])) {
                            different = true;
                            break;
                        }
                    }
                    if (!different) {
                        return;
                    }
                }
            }
            config.setAttribute(IDebugUIConstants.ATTR_DEBUG_FAVORITE, (String) null);
            config.setAttribute(IDebugUIConstants.ATTR_RUN_FAVORITE, (String) null);
            List groups = null;
            for (int i = 0; i < checked.length; i++) {
                LaunchGroupExtension group = (LaunchGroupExtension) checked[i];
                if (groups == null) {
                    groups = new ArrayList();
                }
                groups.add(group.getIdentifier());
            }
            config.setAttribute(IDebugUIConstants.ATTR_FAVORITE_GROUPS, groups);
        } catch (CoreException e) {
            DebugUIPlugin.log(e);
        }
    }

    /**
     * Convenience method for getting the workspace root.
     */
    private IWorkspaceRoot getWorkspaceRoot() {
        return ResourcesPlugin.getWorkspace().getRoot();
    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * org.eclipse.debug.ui.ILaunchConfigurationTab#isValid(org.eclipse.debug
     * .core.ILaunchConfiguration)
     */
    public boolean isValid(ILaunchConfiguration config) {
        setMessage(null);
        setErrorMessage(null);

        return validateLocalShared() && validateRedirectFile() && validateEncoding();
    }

    /**
     * validates the encoding selection
     * 
     * @return true if the validate encoding is allowable, false otherwise
     */
    private boolean validateEncoding() {
        if (fAltEncodingButton.getSelection()) {
            if (fEncodingCombo.getSelectionIndex() == -1) {
                setErrorMessage("Encoding not supported.");
                return false;
            }
        }
        return true;
    }

    /**
     * Validates if the redirect file is valid
     * 
     * @return true if the filename is not zero, false otherwise
     */
    private boolean validateRedirectFile() {
        if (fFileOutput.getSelection()) {
            int len = fFileText.getText().trim().length();
            if (len == 0) {
                setErrorMessage(LaunchConfigurationsMessages.CommonTab_8);
                return false;
            }
        }
        return true;
    }

    /**
     * validates the local shared config file location
     * 
     * @return true if the local shared file exists, false otherwise
     */
    private boolean validateLocalShared() {
        if (isShared()) {
            String path = fSharedLocationText.getText().trim();
            IContainer container = getContainer(path);
            if (container == null || container.equals(ResourcesPlugin.getWorkspace().getRoot())) {
                setErrorMessage(LaunchConfigurationsMessages.CommonTab_Invalid_shared_configuration_location_14);
                return false;
            } else if (!container.getProject().isOpen()) {
                setErrorMessage(
                        LaunchConfigurationsMessages.CommonTab_Cannot_save_launch_configuration_in_a_closed_project__1);
                return false;
            }
        }

        return true;
    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * org.eclipse.debug.ui.ILaunchConfigurationTab#setDefaults(org.eclipse.
     * debug.core.ILaunchConfigurationWorkingCopy)
     */
    public void setDefaults(ILaunchConfigurationWorkingCopy config) {
        config.setContainer(null);
        config.setAttribute(IDebugUIConstants.ATTR_LAUNCH_IN_BACKGROUND, true);
    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * org.eclipse.debug.ui.ILaunchConfigurationTab#performApply(org.eclipse
     * .debug.core.ILaunchConfigurationWorkingCopy)
     */
    public void performApply(ILaunchConfigurationWorkingCopy configuration) {
        updateConfigFromLocalShared(configuration);
        updateConfigFromFavorites(configuration);
        setAttribute(IDebugUIConstants.ATTR_LAUNCH_IN_BACKGROUND, configuration,
                fLaunchInBackgroundButton.getSelection(), true);
        String encoding = null;
        if (fAltEncodingButton.getSelection()) {
            encoding = fEncodingCombo.getText();
        }
        configuration.setAttribute(DebugPlugin.ATTR_CONSOLE_ENCODING, encoding);

        boolean captureOutput = false;

        if (fConsoleOutput.getSelection()) {
            captureOutput = true;
            configuration.setAttribute(IDebugUIConstants.ATTR_CAPTURE_IN_CONSOLE, (String) null);
            configuration.setAttribute(ScriptLaunchConfigurationConstants.ATTR_DLTK_CONSOLE_ID,
                    Long.toString(System.currentTimeMillis()));
        } else {
            configuration.setAttribute(IDebugUIConstants.ATTR_CAPTURE_IN_CONSOLE, false);
        }

        if (fFileOutput.getSelection()) {
            captureOutput = true;
            String file = fFileText.getText();
            configuration.setAttribute(IDebugUIConstants.ATTR_CAPTURE_IN_FILE, file);
            if (fAppend.getSelection()) {
                configuration.setAttribute(IDebugUIConstants.ATTR_APPEND_TO_FILE, true);
            } else {
                configuration.setAttribute(IDebugUIConstants.ATTR_APPEND_TO_FILE, (String) null);
            }
        } else {
            configuration.setAttribute(IDebugUIConstants.ATTR_CAPTURE_IN_FILE, (String) null);
        }

        boolean useDltk = false;
        if (fUseDltkRadio.getSelection()) {
            configuration.setAttribute(DebugPlugin.ATTR_CAPTURE_OUTPUT, (String) null);

            IFileHandle proxyFile;
            try {
                IExecutionEnvironment exeEnv = (IExecutionEnvironment) EnvironmentManager.getLocalEnvironment()
                        .getAdapter(IExecutionEnvironment.class);
                proxyFile = FormulaLauncherPlugin.getDefault().getConsoleProxy(exeEnv);
                if (proxyFile != null) {
                    configuration.setAttribute("environmentId", proxyFile.getEnvironment().getId());
                    configuration.setAttribute("proxy_path", proxyFile.toOSString());
                }
            } catch (IOException e) {
                if (DLTKCore.DEBUG) {
                    e.printStackTrace();
                }
            }

            captureOutput = false;
            useDltk = true;
        }

        configuration.setAttribute(ScriptLaunchConfigurationConstants.ATTR_USE_INTERACTIVE_CONSOLE, useDltk);

        // Last option
        if (captureOutput) {
            configuration.setAttribute(DebugPlugin.ATTR_CAPTURE_OUTPUT, (String) null);
        } else {
            configuration.setAttribute(DebugPlugin.ATTR_CAPTURE_OUTPUT, false);
        }
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.eclipse.debug.ui.ILaunchConfigurationTab#getName()
     */
    public String getName() {
        return LaunchConfigurationsMessages.CommonTab__Common_15;
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.eclipse.debug.ui.ILaunchConfigurationTab#canSave()
     */
    public boolean canSave() {
        return validateLocalShared();
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.eclipse.debug.ui.ILaunchConfigurationTab#getImage()
     */
    public Image getImage() {
        return DebugUITools.getImage(IInternalDebugUIConstants.IMG_OBJS_COMMON_TAB);
    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * org.eclipse.debug.ui.ILaunchConfigurationTab#activated(org.eclipse.debug
     * .core.ILaunchConfigurationWorkingCopy)
     */
    public void activated(ILaunchConfigurationWorkingCopy workingCopy) {
    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * org.eclipse.debug.ui.ILaunchConfigurationTab#deactivated(org.eclipse.
     * debug.core.ILaunchConfigurationWorkingCopy)
     */
    public void deactivated(ILaunchConfigurationWorkingCopy workingCopy) {
    }

    /**
     * Content provider for the favorites table
     */
    class FavoritesContentProvider implements IStructuredContentProvider {

        public Object[] getElements(Object inputElement) {
            ILaunchGroup[] groups = DebugUITools.getLaunchGroups();
            List possibleGroups = new ArrayList();
            ILaunchConfiguration configuration = (ILaunchConfiguration) inputElement;
            for (int i = 0; i < groups.length; i++) {
                ILaunchGroup extension = groups[i];
                LaunchHistory history = getLaunchConfigurationManager().getLaunchHistory(extension.getIdentifier());
                if (history != null && history.accepts(configuration)) {
                    possibleGroups.add(extension);
                }
            }
            return possibleGroups.toArray();
        }

        public void dispose() {
        }

        public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
        }

    }

    /**
     * Provides the labels for the favorites table
     * 
     */
    class FavoritesLabelProvider implements ITableLabelProvider {

        private Map fImages = new HashMap();

        public Image getColumnImage(Object element, int columnIndex) {
            Image image = (Image) fImages.get(element);
            if (image == null) {
                ImageDescriptor descriptor = ((LaunchGroupExtension) element).getImageDescriptor();
                if (descriptor != null) {
                    image = descriptor.createImage();
                    fImages.put(element, image);
                }
            }
            return image;
        }

        public String getColumnText(Object element, int columnIndex) {
            String label = ((LaunchGroupExtension) element).getLabel();
            return DebugUIPlugin.removeAccelerators(label);
        }

        public void addListener(ILabelProviderListener listener) {
        }

        public void dispose() {
            Iterator images = fImages.values().iterator();
            while (images.hasNext()) {
                Image image = (Image) images.next();
                image.dispose();
            }
        }

        public boolean isLabelProperty(Object element, String property) {
            return false;
        }

        public void removeListener(ILabelProviderListener listener) {
        }
    }

}