org.eclipse.jdt.debug.ui/ui/org/eclipse/jdt/internal/debug/ui/JavaApplicationWizardPage.java - jdt/eclipse.jdt.debug - Git at Google

 package org.eclipse.jdt.internal.debug.ui;

 /*
  * (c) Copyright IBM Corp. 2000, 2001.
  * All Rights Reserved.
  */

 import org.eclipse.debug.core.ILaunchManager;
 import org.eclipse.jdt.internal.debug.ui.launcher.JavaApplicationLauncherDelegate;
 import org.eclipse.jdt.internal.ui.util.StringMatcher;
 import org.eclipse.jdt.ui.JavaElementLabelProvider;
 import org.eclipse.jface.viewers.ILabelProvider;
 import org.eclipse.jface.viewers.ISelection;
 import org.eclipse.jface.viewers.ISelectionChangedListener;
 import org.eclipse.jface.viewers.IStructuredContentProvider;
 import org.eclipse.jface.viewers.IStructuredSelection;
 import org.eclipse.jface.viewers.SelectionChangedEvent;
 import org.eclipse.jface.viewers.StructuredSelection;
 import org.eclipse.jface.viewers.TableViewer;
 import org.eclipse.jface.viewers.Viewer;
 import org.eclipse.jface.viewers.ViewerFilter;
 import org.eclipse.jface.viewers.ViewerSorter;
 import org.eclipse.jface.wizard.WizardDialog;
 import org.eclipse.jface.wizard.WizardPage;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.ModifyEvent;
 import org.eclipse.swt.events.ModifyListener;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Display;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Table;
 import org.eclipse.swt.widgets.Text;
 import org.eclipse.ui.help.WorkbenchHelp;

 /**
  * The main page in a <code>JavaApplicationWizard</code>. Presents the
  * user with a list of launchable elements - from which the user must choose.
  */
 public class JavaApplicationWizardPage extends WizardPage {

 	/**
 	 * Viewer for the elements to launch
 	 */
 	protected TableViewer fElementsList;

 	/**
 	 * A text field to perform pattern matching
 	 */
 	protected Text fPatternText;

 	/**
 	 * The filtered array
 	 */
 	protected Object[] fFilteredElements;

 	/**
 	 * The selection from which to determine the elements to launch
 	 */
 	protected Object[] fElements;

 	protected String fMode;

 	protected JavaApplicationLauncherDelegate fLauncher;

 	/**
 	 * A content provider for the elements list
 	 */
 	class ElementsContentProvider implements IStructuredContentProvider {

 		/**
 		 * @see IContentProvider#inputChanged(Viewer, Object, Object)
 		 */
 		public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
 		}

 		public void dispose() {
 		}

 		public Object[] getElements(Object parent) {
 			return fElements;
 		}
 	}

 	class PatternFilter extends ViewerFilter {
 		protected StringMatcher fMatcher= null;

 		/**
 		 * @see ViewerFilter#select(Viewer, Object, Object)
 		 */
 		public boolean select(Viewer viewer, Object parentElement, Object element) {
 			if (fMatcher == null) {
 				return true;
 			}
 			ILabelProvider lp= (ILabelProvider) fElementsList.getLabelProvider();
 			return fMatcher.match(lp.getText(element));
 		}

 		public void setPattern(String pattern) {
 			fMatcher= new StringMatcher(pattern + "*", true, false); //$NON-NLS-1$
 		}

 		/**
 		 * Cache the filtered elements so we can single-select.
 		 *
 		 * @see ViewerFilter#filter(Viewer, Object, Object[])
 		 */
 		public Object[] filter(Viewer viewer, Object parent, Object[] input) {
 			fFilteredElements= super.filter(viewer, parent, input);
 			return fFilteredElements;
 		}

 	}

 	class SimpleSorter extends ViewerSorter {
 		/**
 		 * @see ViewerSorter#isSorterProperty(Object, Object)
 		 */
 		public boolean isSorterProperty(Object element, Object property) {
 			return true;
 		}
 	}

 	/**
 	 * Constructs a <code>JavaApplicationWizardPage</code> with the given launcher and pre-computed children
 	 */
 	public JavaApplicationWizardPage(Object[] elements, JavaApplicationLauncherDelegate launcher, String mode) {
 		super(DebugUIMessages.getString("JavaApplicationWizardPage.Select_Target_2")); //$NON-NLS-1$
 		setImageDescriptor(JavaDebugImages.DESC_WIZBAN_JAVA_LAUNCH);
 		fElements= elements;
 		fMode= mode;
 		fLauncher= launcher;
 	}

 	/**
 	 * Creates the contents of the page - two lists
 	 * and a check box for setting the default launcher.
 	 */
 	public void createControl(Composite ancestor) {
 		Composite root= new Composite(ancestor, SWT.NONE);
 		GridLayout l= new GridLayout();
 		l.numColumns= 1;
 		l.makeColumnsEqualWidth= true;
 		root.setLayout(l);

 		createElementsGroup(root);

 		//determine description
 		if (fMode.equals(ILaunchManager.DEBUG_MODE)) {
 			setDescription(DebugUIMessages.getString("JavaApplicationWizardPage.Debug..._3")); //$NON-NLS-1$
 		} else {
 			setDescription(DebugUIMessages.getString("JavaApplicationWizardPage.Run..._4")); //$NON-NLS-1$
 		}

 		setPageComplete(false);
 		setTitle(DebugUIMessages.getString("JavaApplicationWizardPage.Select_Target_5")); //$NON-NLS-1$
 		setControl(root);
 		WorkbenchHelp.setHelp(root, IHelpContextIds.JAVA_APPLICATION_WIZARD_PAGE);
 	}

 	public void createElementsGroup(Composite root) {
 		Label elementsLabel= new Label(root, SWT.NONE);
 		elementsLabel.setText(DebugUIMessages.getString("JavaApplicationWizardPage.&Enter_a_pattern_to_select_a_range_of_elements__6")); //$NON-NLS-1$

 		fPatternText= new Text(root, SWT.BORDER);
 		fPatternText.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));

 		fElementsList= new TableViewer(root, SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER) {
 			protected void handleDoubleSelect(SelectionEvent event) {
 				updateSelection(getSelection());
 				if (getWizard().performFinish()) {
 					((WizardDialog) getWizard().getContainer()).close();
 				}
 			}
 		};

 		Table list= fElementsList.getTable();

 		GridData gd= new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_FILL);
 		gd.heightHint= 200;
 		gd.grabExcessVerticalSpace= true;
 		list.setLayoutData(gd);

 		fElementsList.setContentProvider(new ElementsContentProvider());
 		int flags= JavaElementLabelProvider.SHOW_DEFAULT | JavaElementLabelProvider.SHOW_POST_QUALIFIED |
 			JavaElementLabelProvider.SHOW_ROOT ;

 		fElementsList.setLabelProvider(new JavaElementLabelProvider(flags));
 		fElementsList.setSorter(new SimpleSorter());

 		final PatternFilter filter= new PatternFilter();
 		fElementsList.addFilter(filter);
 		fPatternText.addModifyListener(new ModifyListener() {
 			public void modifyText(ModifyEvent e) {
 				filter.setPattern(((Text) (e.widget)).getText());
 				fElementsList.refresh();
 				if (fFilteredElements.length >= 1) {
 					fElementsList.setSelection(new StructuredSelection(fFilteredElements[0]), true);
 					setMessage(DebugUIMessages.getString("JavaApplicationWizardPage._Select_element(s)_to_launch._7"));					 //$NON-NLS-1$
 					setPageComplete(true);
 					return;
 				} else {
 					setMessage(DebugUIMessages.getString("JavaApplicationWizardPage.No_elements_available._8")); //$NON-NLS-1$
 					setPageComplete(false);
 				}
 			}
 		});

 		fElementsList.addSelectionChangedListener(new ISelectionChangedListener() {
 			public void selectionChanged(SelectionChangedEvent e) {
 				if (e.getSelection().isEmpty()) {
 					setPageComplete(false);
 				} else if (e.getSelection() instanceof IStructuredSelection) {
 					IStructuredSelection ss= (IStructuredSelection) e.getSelection();
 					if (!ss.isEmpty()) {
 						setPageComplete(true);
 					}
 				}
 			}
 		});

 		fElementsList.setInput(fLauncher);
 		initializeSettings();
 	}

 	/**
 	 * Returns the selected elements to launch or <code>null</code> if
 	 * no elements are selected.
 	 */
 	protected Object[] getElements() {
 		ISelection s= fElementsList.getSelection();
 		if (s.isEmpty()) {
 			return null;
 		}

 		if (s instanceof IStructuredSelection) {
 			return ((IStructuredSelection) s).toArray();
 		}

 		return null;
 	}

 	/**
 	 * Convenience method to set the message line
 	 */
 	public void setMessage(String message) {
 		super.setErrorMessage(null);
 		super.setMessage(message);
 	}

 	/**
 	 * Convenience method to set the error line
 	 */
 	public void setErrorMessage(String message) {
 		super.setMessage(null);
 		super.setErrorMessage(message);
 	}

 	/**
 	 * Initialize the settings:<ul>
 	 * <li>If there is only one element, select it
 	 * <li>Put the cursor in the pattern text area
 	 * </ul>
 	 */
 	protected void initializeSettings() {
 		Runnable runnable= new Runnable() {
 			public void run() {
 				if (getControl().isDisposed()) {
 					return;
 				}
 				if (fElements.length >= 1) {
 					fElementsList.setSelection(new StructuredSelection(fElements[0]), true);
 					setMessage(DebugUIMessages.getString("JavaApplicationWizardPage._Select_element(s)_to_launch._9")); //$NON-NLS-1$
 					setPageComplete(true);
 				} else {
 					// no elements to select
 					setErrorMessage(DebugUIMessages.getString("JavaApplicationWizardPage.No_elements_available._10")); //$NON-NLS-1$
 					setPageComplete(false);

 				}
 				fPatternText.setFocus();
 			}
 		};

 		Display.getCurrent().asyncExec(runnable);
 	}
 }
	package org.eclipse.jdt.internal.debug.ui;

	/*
	* (c) Copyright IBM Corp. 2000, 2001.
	* All Rights Reserved.
	*/

	import org.eclipse.debug.core.ILaunchManager;
	import org.eclipse.jdt.internal.debug.ui.launcher.JavaApplicationLauncherDelegate;
	import org.eclipse.jdt.internal.ui.util.StringMatcher;
	import org.eclipse.jdt.ui.JavaElementLabelProvider;
	import org.eclipse.jface.viewers.ILabelProvider;
	import org.eclipse.jface.viewers.ISelection;
	import org.eclipse.jface.viewers.ISelectionChangedListener;
	import org.eclipse.jface.viewers.IStructuredContentProvider;
	import org.eclipse.jface.viewers.IStructuredSelection;
	import org.eclipse.jface.viewers.SelectionChangedEvent;
	import org.eclipse.jface.viewers.StructuredSelection;
	import org.eclipse.jface.viewers.TableViewer;
	import org.eclipse.jface.viewers.Viewer;
	import org.eclipse.jface.viewers.ViewerFilter;
	import org.eclipse.jface.viewers.ViewerSorter;
	import org.eclipse.jface.wizard.WizardDialog;
	import org.eclipse.jface.wizard.WizardPage;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.ModifyEvent;
	import org.eclipse.swt.events.ModifyListener;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Display;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Table;
	import org.eclipse.swt.widgets.Text;
	import org.eclipse.ui.help.WorkbenchHelp;

	/**
	* The main page in a <code>JavaApplicationWizard</code>. Presents the
	* user with a list of launchable elements - from which the user must choose.
	*/
	public class JavaApplicationWizardPage extends WizardPage {

	/**
	* Viewer for the elements to launch
	*/
	protected TableViewer fElementsList;

	/**
	* A text field to perform pattern matching
	*/
	protected Text fPatternText;

	/**
	* The filtered array
	*/
	protected Object[] fFilteredElements;

	/**
	* The selection from which to determine the elements to launch
	*/
	protected Object[] fElements;

	protected String fMode;

	protected JavaApplicationLauncherDelegate fLauncher;

	/**
	* A content provider for the elements list
	*/
	class ElementsContentProvider implements IStructuredContentProvider {

	/**
	* @see IContentProvider#inputChanged(Viewer, Object, Object)
	*/
	public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
	}

	public void dispose() {
	}

	public Object[] getElements(Object parent) {
	return fElements;
	}
	}

	class PatternFilter extends ViewerFilter {
	protected StringMatcher fMatcher= null;

	/**
	* @see ViewerFilter#select(Viewer, Object, Object)
	*/
	public boolean select(Viewer viewer, Object parentElement, Object element) {
	if (fMatcher == null) {
	return true;
	}
	ILabelProvider lp= (ILabelProvider) fElementsList.getLabelProvider();
	return fMatcher.match(lp.getText(element));
	}

	public void setPattern(String pattern) {
	fMatcher= new StringMatcher(pattern + "*", true, false); //$NON-NLS-1$
	}

	/**
	* Cache the filtered elements so we can single-select.
	*
	* @see ViewerFilter#filter(Viewer, Object, Object[])
	*/
	public Object[] filter(Viewer viewer, Object parent, Object[] input) {
	fFilteredElements= super.filter(viewer, parent, input);
	return fFilteredElements;
	}

	}

	class SimpleSorter extends ViewerSorter {
	/**
	* @see ViewerSorter#isSorterProperty(Object, Object)
	*/
	public boolean isSorterProperty(Object element, Object property) {
	return true;
	}
	}

	/**
	* Constructs a <code>JavaApplicationWizardPage</code> with the given launcher and pre-computed children
	*/
	public JavaApplicationWizardPage(Object[] elements, JavaApplicationLauncherDelegate launcher, String mode) {
	super(DebugUIMessages.getString("JavaApplicationWizardPage.Select_Target_2")); //$NON-NLS-1$
	setImageDescriptor(JavaDebugImages.DESC_WIZBAN_JAVA_LAUNCH);
	fElements= elements;
	fMode= mode;
	fLauncher= launcher;
	}

	/**
	* Creates the contents of the page - two lists
	* and a check box for setting the default launcher.
	*/
	public void createControl(Composite ancestor) {
	Composite root= new Composite(ancestor, SWT.NONE);
	GridLayout l= new GridLayout();
	l.numColumns= 1;
	l.makeColumnsEqualWidth= true;
	root.setLayout(l);

	createElementsGroup(root);

	//determine description
	if (fMode.equals(ILaunchManager.DEBUG_MODE)) {
	setDescription(DebugUIMessages.getString("JavaApplicationWizardPage.Debug..._3")); //$NON-NLS-1$
	} else {
	setDescription(DebugUIMessages.getString("JavaApplicationWizardPage.Run..._4")); //$NON-NLS-1$
	}

	setPageComplete(false);
	setTitle(DebugUIMessages.getString("JavaApplicationWizardPage.Select_Target_5")); //$NON-NLS-1$
	setControl(root);
	WorkbenchHelp.setHelp(root, IHelpContextIds.JAVA_APPLICATION_WIZARD_PAGE);
	}

	public void createElementsGroup(Composite root) {
	Label elementsLabel= new Label(root, SWT.NONE);
	elementsLabel.setText(DebugUIMessages.getString("JavaApplicationWizardPage.&Enter_a_pattern_to_select_a_range_of_elements__6")); //$NON-NLS-1$

	fPatternText= new Text(root, SWT.BORDER);
	fPatternText.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));

	fElementsList= new TableViewer(root, SWT.SINGLE \| SWT.H_SCROLL \| SWT.V_SCROLL \| SWT.BORDER) {
	protected void handleDoubleSelect(SelectionEvent event) {
	updateSelection(getSelection());
	if (getWizard().performFinish()) {
	((WizardDialog) getWizard().getContainer()).close();
	}
	}
	};

	Table list= fElementsList.getTable();

	GridData gd= new GridData(GridData.HORIZONTAL_ALIGN_FILL \| GridData.VERTICAL_ALIGN_FILL);
	gd.heightHint= 200;
	gd.grabExcessVerticalSpace= true;
	list.setLayoutData(gd);

	fElementsList.setContentProvider(new ElementsContentProvider());
	int flags= JavaElementLabelProvider.SHOW_DEFAULT \| JavaElementLabelProvider.SHOW_POST_QUALIFIED \|
	JavaElementLabelProvider.SHOW_ROOT ;

	fElementsList.setLabelProvider(new JavaElementLabelProvider(flags));
	fElementsList.setSorter(new SimpleSorter());

	final PatternFilter filter= new PatternFilter();
	fElementsList.addFilter(filter);
	fPatternText.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent e) {
	filter.setPattern(((Text) (e.widget)).getText());
	fElementsList.refresh();
	if (fFilteredElements.length >= 1) {
	fElementsList.setSelection(new StructuredSelection(fFilteredElements[0]), true);
	setMessage(DebugUIMessages.getString("JavaApplicationWizardPage._Select_element(s)_to_launch._7")); //$NON-NLS-1$
	setPageComplete(true);
	return;
	} else {
	setMessage(DebugUIMessages.getString("JavaApplicationWizardPage.No_elements_available._8")); //$NON-NLS-1$
	setPageComplete(false);
	}
	}
	});

	fElementsList.addSelectionChangedListener(new ISelectionChangedListener() {
	public void selectionChanged(SelectionChangedEvent e) {
	if (e.getSelection().isEmpty()) {
	setPageComplete(false);
	} else if (e.getSelection() instanceof IStructuredSelection) {
	IStructuredSelection ss= (IStructuredSelection) e.getSelection();
	if (!ss.isEmpty()) {
	setPageComplete(true);
	}
	}
	}
	});

	fElementsList.setInput(fLauncher);
	initializeSettings();
	}

	/**
	* Returns the selected elements to launch or <code>null</code> if
	* no elements are selected.
	*/
	protected Object[] getElements() {
	ISelection s= fElementsList.getSelection();
	if (s.isEmpty()) {
	return null;
	}

	if (s instanceof IStructuredSelection) {
	return ((IStructuredSelection) s).toArray();
	}

	return null;
	}

	/**
	* Convenience method to set the message line
	*/
	public void setMessage(String message) {
	super.setErrorMessage(null);
	super.setMessage(message);
	}

	/**
	* Convenience method to set the error line
	*/
	public void setErrorMessage(String message) {
	super.setMessage(null);
	super.setErrorMessage(message);
	}

	/**
	* Initialize the settings:<ul>
	* <li>If there is only one element, select it
	* <li>Put the cursor in the pattern text area
	* </ul>
	*/
	protected void initializeSettings() {
	Runnable runnable= new Runnable() {
	public void run() {
	if (getControl().isDisposed()) {
	return;
	}
	if (fElements.length >= 1) {
	fElementsList.setSelection(new StructuredSelection(fElements[0]), true);
	setMessage(DebugUIMessages.getString("JavaApplicationWizardPage._Select_element(s)_to_launch._9")); //$NON-NLS-1$
	setPageComplete(true);
	} else {
	// no elements to select
	setErrorMessage(DebugUIMessages.getString("JavaApplicationWizardPage.No_elements_available._10")); //$NON-NLS-1$
	setPageComplete(false);

	}
	fPatternText.setFocus();
	}
	};

	Display.getCurrent().asyncExec(runnable);
	}
	}