| /******************************************************************************* |
| * Copyright (c) 2006, 2008 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.debug.internal.ui.launchConfigurations; |
| |
| import org.eclipse.core.resources.ResourcesPlugin; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.debug.core.ILaunchConfiguration; |
| import org.eclipse.debug.core.ILaunchConfigurationType; |
| import org.eclipse.debug.internal.core.IInternalDebugCoreConstants; |
| import org.eclipse.debug.internal.ui.DebugUIPlugin; |
| import org.eclipse.debug.ui.DebugUITools; |
| import org.eclipse.debug.ui.ILaunchGroup; |
| import org.eclipse.jface.dialogs.MessageDialog; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.TreeViewer; |
| import org.eclipse.jface.viewers.ViewerFilter; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.HelpEvent; |
| import org.eclipse.swt.events.HelpListener; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.dialogs.FilteredTree; |
| import org.eclipse.ui.dialogs.PatternFilter; |
| import org.eclipse.ui.model.WorkbenchViewerComparator; |
| |
| /** |
| * Overrides the default filtered tree to use our own tree viewer which supports preserving selection after filtering |
| * |
| * @see LaunchConfigurationView |
| * @see LaunchConfigurationViewer |
| * |
| * @since 3.3 |
| */ |
| public final class LaunchConfigurationFilteredTree extends FilteredTree { |
| |
| private ILaunchGroup fLaunchGroup = null; |
| private ViewerFilter[] fFilters = null; |
| private int fTreeStyle = -1; |
| private PatternFilter fPatternFilter = null; |
| |
| /** |
| * Constructor |
| * @param parent |
| * @param treeStyle |
| * @param filter |
| */ |
| public LaunchConfigurationFilteredTree(Composite parent, int treeStyle, PatternFilter filter, ILaunchGroup group, ViewerFilter[] filters) { |
| super(parent, treeStyle, filter, true); |
| fLaunchGroup = group; |
| fFilters = filters; |
| fPatternFilter = filter; |
| fTreeStyle = treeStyle; |
| } |
| |
| /** |
| * @see org.eclipse.ui.dialogs.FilteredTree#doCreateTreeViewer(org.eclipse.swt.widgets.Composite, int) |
| */ |
| protected TreeViewer doCreateTreeViewer(Composite cparent, int style) { |
| treeViewer = new LaunchConfigurationViewer(cparent, style); |
| treeViewer.setLabelProvider(DebugUITools.newDebugModelPresentation()); |
| treeViewer.setComparator(new WorkbenchViewerComparator()); |
| treeViewer.setContentProvider(new LaunchConfigurationTreeContentProvider(fLaunchGroup.getMode(), cparent.getShell())); |
| treeViewer.addFilter(new LaunchGroupFilter(fLaunchGroup)); |
| treeViewer.setInput(ResourcesPlugin.getWorkspace().getRoot()); |
| if(fFilters != null) { |
| for (int i = 0; i < fFilters.length; i++) { |
| treeViewer.addFilter(fFilters[i]); |
| } |
| } |
| treeViewer.getControl().addHelpListener(new HelpListener() { |
| public void helpRequested(HelpEvent evt) { |
| handleHelpRequest(evt); |
| } |
| }); |
| return treeViewer; |
| } |
| |
| /** |
| * @see org.eclipse.ui.dialogs.FilteredTree#createControl(org.eclipse.swt.widgets.Composite, int) |
| */ |
| protected void createControl(Composite cparent, int treeStyle) { |
| super.createControl(cparent, treeStyle); |
| setBackground(cparent.getDisplay().getSystemColor(SWT.COLOR_LIST_BACKGROUND)); |
| } |
| |
| /** |
| * @see org.eclipse.ui.dialogs.FilteredTree#init(int, org.eclipse.ui.dialogs.PatternFilter) |
| * force it to do nothing so that we can initialize the class properly |
| */ |
| protected void init(int treeStyle, PatternFilter filter) {} |
| |
| /** |
| * This method is used to create the actual set of controls for the dialog |
| */ |
| public void createViewControl() { |
| super.init(fTreeStyle, fPatternFilter); |
| } |
| |
| /** |
| * Handle help events locally rather than deferring to WorkbenchHelp. This |
| * allows help specific to the selected config type to be presented. |
| * |
| */ |
| protected void handleHelpRequest(HelpEvent evt) { |
| if (getViewer().getTree() != evt.getSource()) { |
| return; |
| } |
| String id = computeContextId(); |
| if (id != null) |
| PlatformUI.getWorkbench().getHelpSystem().displayHelp(id); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.dialogs.FilteredTree#textChanged() |
| */ |
| protected void textChanged() { |
| LaunchConfigurationsDialog dialog = (LaunchConfigurationsDialog)LaunchConfigurationsDialog.getCurrentlyVisibleLaunchConfigurationDialog(); |
| if(dialog == null) { |
| return; |
| } |
| LaunchConfigurationTabGroupViewer viewer = dialog.getTabViewer(); |
| if(viewer == null) { |
| return; |
| } |
| if(viewer.isDirty()) { |
| String text = getFilterString(); |
| if(text.equals(IInternalDebugCoreConstants.EMPTY_STRING)) { |
| //we have removed the last char of select-all delete key, reset like the filter control does |
| getPatternFilter().setPattern(null); |
| getViewer().refresh(); |
| return; |
| } |
| else if(text.equals(getInitialText())) { |
| //ignore, this is the default text set from losing focus |
| return; |
| } |
| String message = LaunchConfigurationsMessages.LaunchConfigurationFilteredTree_search_with_errors; |
| String title = LaunchConfigurationsMessages.LaunchConfigurationFilteredTree_discard_changes; |
| boolean cansave = viewer.canSave(); |
| if(cansave) { |
| message = LaunchConfigurationsMessages.LaunchConfigurationFilteredTree_search_with_changes; |
| title = LaunchConfigurationsMessages.LaunchConfigurationFilteredTree_save_changes; |
| } |
| if(MessageDialog.openQuestion(getShell(), title, message)) { |
| if(cansave) { |
| viewer.handleApplyPressed(); |
| } |
| else { |
| viewer.handleRevertPressed(); |
| } |
| super.textChanged(); |
| } |
| else { |
| clearText(); |
| } |
| } |
| else { |
| super.textChanged(); |
| } |
| } |
| |
| /** |
| * Computes the context id for this viewer |
| * @return the context id |
| */ |
| public String computeContextId() { |
| try { |
| ISelection selection = getViewer().getSelection(); |
| if (!selection.isEmpty() && selection instanceof IStructuredSelection ) { |
| IStructuredSelection structuredSelection = (IStructuredSelection) selection; |
| Object firstSelected = structuredSelection.getFirstElement(); |
| ILaunchConfigurationType configType = null; |
| if (firstSelected instanceof ILaunchConfigurationType) { |
| configType = (ILaunchConfigurationType) firstSelected; |
| } |
| else if (firstSelected instanceof ILaunchConfiguration) { |
| configType = ((ILaunchConfiguration) firstSelected).getType(); |
| } |
| if (configType != null) { |
| String helpContextId = LaunchConfigurationPresentationManager.getDefault().getHelpContext(configType, fLaunchGroup.getMode()); |
| if (helpContextId != null) { |
| return helpContextId; |
| } |
| } |
| } |
| } |
| catch (CoreException ce) {DebugUIPlugin.log(ce);} |
| return null; |
| } |
| |
| /** |
| * Returns the launch configuration viewer for this filtered tree |
| * @return the tree viewer appropriately cast |
| */ |
| public LaunchConfigurationViewer getLaunchConfigurationViewer() { |
| return (LaunchConfigurationViewer) getViewer(); |
| } |
| |
| /* (non-Javadoc) |
| * |
| * Called after a re-filter due to user typing text. Update the filter count |
| * in the LCD |
| * |
| * @see org.eclipse.ui.dialogs.FilteredTree#updateToolbar(boolean) |
| */ |
| protected void updateToolbar(boolean visible) { |
| super.updateToolbar(visible); |
| // update filter count |
| getLaunchConfigurationViewer().filterChanged(); |
| } |
| |
| } |