/******************************************************************************* * Copyright ? 2008 Sandro Badame. All Rights Reserved. *  * This software and the accompanying materials is available under the  * Eclipse Public License 1.0 (EPL), which accompanies this distribution, and is * available at http://visualjpf.sourceforge.net/epl-v10.html ******************************************************************************/package com.javapathfinder.vjp.config.editors;import java.io.IOException;import org.eclipse.core.resources.IFile;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.jdt.core.IJavaProject;import org.eclipse.jface.dialogs.MessageDialog;import org.eclipse.swt.SWT;import org.eclipse.swt.events.SelectionAdapter;import org.eclipse.swt.events.SelectionEvent;import org.eclipse.swt.events.SelectionListener;import org.eclipse.swt.graphics.Point;import org.eclipse.swt.layout.FormAttachment;import org.eclipse.swt.layout.FormData;import org.eclipse.swt.layout.FormLayout;import org.eclipse.swt.widgets.Button;import org.eclipse.swt.widgets.Composite;import org.eclipse.swt.widgets.Group;import org.eclipse.swt.widgets.TabFolder;import org.eclipse.swt.widgets.TabItem;import org.eclipse.swt.widgets.Text;import com.javapathfinder.vjp.VJP;import com.javapathfinder.vjp.config.LaunchDialog;import com.javapathfinder.vjp.config.editors.defaultproperties.DefaultPropertiesTab;import com.javapathfinder.vjp.config.editors.userdefined.UserDefinedPropertiesTab;/** * This composite holds all of the modeproperty editors. * @author Sandro Badame */public class ModePropertyEditorComposite extends Composite implements SelectionListener, PropertyChangeListener{  private static final int DEFAULT_STYLE = SWT.NULL;    private ModePropertyConfiguration properties;  private Button save;  private Button revert;    private DefaultPropertiesTab defaultPropertiesTab;  private UserDefinedPropertiesTab userDefinedPropertiesTab;    /**   * Constructs this composite to hold all of the modeproperty editors.   * @param parent the parent for this composite   * @param project the java project associated to the modepropertyconfiguration   * @param properties the modepropertyconfiguration being modified.   */  public ModePropertyEditorComposite(Composite parent, ModePropertyConfiguration properties) {    super(parent, DEFAULT_STYLE);    this.properties = properties;    setLayout(new FormLayout());    createContents(this);    properties.addChangeListener(this);  }    /**   * Constructs this composite to hold all of the modeproperty editors.   * @param parent the parent for this composite   * @param project the java project associated to the modepropertyconfiguration   * @param file the modepropertyfile being modified.   */  public ModePropertyEditorComposite(Composite parent, IJavaProject project, IFile configFile){    this(parent,  new ModePropertyConfiguration(configFile, project));  }  private void createContents(Composite parent) {    Composite fileInfo = createFileInfoUI(parent);    Composite editorTabs = createEditorTabs(parent);    Composite saverevert = createSaveRevertButtons(parent);        FormData layoutData = new FormData();    layoutData.top = new FormAttachment(0, 10);    layoutData.left = new FormAttachment(0, 10);    layoutData.right = new FormAttachment(100, -10);    fileInfo.setLayoutData(layoutData);           layoutData = new FormData();    layoutData.top = new FormAttachment(fileInfo, 10);    layoutData.left = new FormAttachment(0, 10);    layoutData.right = new FormAttachment(100, -10);    layoutData.bottom = new FormAttachment(saverevert, -10);    editorTabs.setLayoutData(layoutData);        layoutData = new FormData();    layoutData.left = new FormAttachment(0, 10);    layoutData.right = new FormAttachment(100, -10);    layoutData.bottom = new FormAttachment(100, -10);    saverevert.setLayoutData(layoutData);  }  private Composite createFileInfoUI(Composite parent) {    Group group = new Group(parent, SWT.NULL);    group.setText("Configuration file location:");    group.setLayout(new FormLayout());        Button button = new Button(group, SWT.NULL);    button.setText("Move/Rename");    FormData buttonData = new FormData();    buttonData.right = new FormAttachment(100, -5);    button.setLayoutData(buttonData);    button.addSelectionListener(new SelectionAdapter() {      public void widgetSelected(SelectionEvent e) {        IPath path = getNewPath();        if (path == null)          return;        int matches = path.matchingFirstSegments(ResourcesPlugin.getWorkspace().getRoot().getLocation());        path = path.removeFirstSegments(matches).makeAbsolute();        try{             properties.getIFile().move(path, true, null);          properties.getIFile().refreshLocal(IFile.DEPTH_INFINITE, null);          refreshDialog(properties.getIFile());        }catch (CoreException e1) {          VJP.logError("Could not move property file.", e1);        }      }            private void refreshDialog(IFile file){        ((LaunchDialog)(getShell().getData())).updateTree();      }            private IPath getNewPath(){        ModePropertyFileDialog dialog = new ModePropertyFileDialog(getShell(), properties);        IFile file = dialog.getFile();        IProject project = dialog.getFileProject();        if (project == null){          new MessageDialog(getShell(),                            "Invalid Mode Property Location",                            null,                            "Mode Property Files must be kept within a project",                            MessageDialog.ERROR,                            new String[]{"OK"},                            0).open();          return null;        }        if (file.equals(properties.getIFile()))          return null;                return file.getLocation();      }          });    Text configPathField = new Text(group, SWT.SINGLE | SWT.LEFT);    configPathField.setText(properties.getIFile().getProjectRelativePath().toOSString());    configPathField.setEditable(false);       FormData textData = new FormData();    textData.left = new FormAttachment(0, 10);    textData.right = new FormAttachment(button, -5);    Point buttonsize = button.computeSize(SWT.DEFAULT, SWT.DEFAULT);    Point textsize = configPathField.computeSize(SWT.DEFAULT, SWT.DEFAULT);    int diff = Math.abs(buttonsize.y - textsize.y);    diff /= 2;    textData.top = new FormAttachment(0, diff);    configPathField.setLayoutData(textData);    return group;  }    private Composite createEditorTabs(Composite parent) {   TabFolder tabs = new TabFolder(parent, SWT.NULL);      TabItem heuristicsTabItem = new TabItem(tabs, SWT.NULL);   userDefinedPropertiesTab = new UserDefinedPropertiesTab(tabs, properties);   heuristicsTabItem.setControl(userDefinedPropertiesTab);   heuristicsTabItem.setText(userDefinedPropertiesTab.getTabName());      TabItem propertyTabItem = new TabItem(tabs, SWT.NULL);   defaultPropertiesTab = new DefaultPropertiesTab(tabs, properties);   propertyTabItem.setControl(defaultPropertiesTab);   propertyTabItem.setText(defaultPropertiesTab.getTabName());      return tabs;  }    private Composite createSaveRevertButtons(Composite parent) {    Composite top = new Composite(parent, SWT.NULL);    top.setLayout(new FormLayout());        save = new Button(top, SWT.NULL);    save.setEnabled(false);    save.setText("Save");    save.addSelectionListener(this);    save.setToolTipText("Saves the changes made to the modeproperties file.");        revert = new Button(top, SWT.NULL);    revert.setEnabled(false);    revert.setText("Revert");    revert.addSelectionListener(this);    revert.setToolTipText("Reverts the properties displayed to those stored "+                          "in the configuration file.");        FormData data = new FormData();    data.right = new FormAttachment(revert, -5);    save.setLayoutData(data);        data = new FormData();    data.right = new FormAttachment(100, -5);    revert.setLayoutData(data);        return top;  }  /**   * Executed when save or revert is clicked on.   */  public void widgetSelected(SelectionEvent e) {    if (e.widget.equals(save))      saveProperties();    else if (e.widget.equals(revert))      revertProperties();    refresh();  }    public void widgetDefaultSelected(SelectionEvent e) {    widgetSelected(e);  }    /**   * Saves the properties being modified to the configuration file   */  public void saveProperties(){    try {      properties.save();      setButtonsEnabled(false);    } catch (IOException e) {      VJP.logError("Could not save file.", e);    } catch (CoreException e) {      VJP.logError("Could not save file.", e);    }  }    /**   * Reverts this editor show the properties contained in the file.   *   */  public void revertProperties(){    try {      properties.reloadFromFile();      setButtonsEnabled(false);    } catch (IOException ioe) {      VJP.logError("IO exception when trying to reload from file.", ioe);    } catch (CoreException e) {      VJP.logError("Core exception when trying to reload from file.", e);    }  }    private void setButtonsEnabled(boolean enabled){    save.setEnabled(enabled);    revert.setEnabled(enabled);  }    private void refresh(){    defaultPropertiesTab.refresh();    userDefinedPropertiesTab.refresh();  }  /*   * Executed when a change to the properties being modified occurs   * Enables the save and revert buttons.   * (non-Javadoc)   * @see com.javapathfinder.vjp.launch.editors.PropertyChangeListener#changeOccurred()   */  public void changeOccurred() {    setButtonsEnabled(true);  }    /*   * True if there are changes to be saved to the config file.   */  public boolean isDirty(){    return save.isEnabled();  }    /**   * returns the mode property configuration this editor is modifying.   *@return modepropertyconfiguration   */  public ModePropertyConfiguration getModePropertyConfiguraton() {    return properties;      }}