Bugzilla 276498: Support multiple selection in Launch Group feature

launch/org.eclipse.cdt.launch/src/org/eclipse/cdt/launch/internal/MultiLaunchConfigurationDelegate.java

@@ -3,6 +3,7 @@ package org.eclipse.cdt.launch.internal;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.Iterator;
+import java.util.List;
 import java.util.Map;
 
 import org.eclipse.cdt.launch.internal.MultiLaunchConfigurationDelegate.LaunchElement.EPostLaunchAction;
@@ -218,7 +219,7 @@ public class MultiLaunchConfigurationDelegate extends LaunchConfigurationDelegat
 			DebugUIPlugin.getDefault().getPreferenceStore().setValue(IDebugUIConstants.PREF_AUTO_REMOVE_OLD_LAUNCHES,
 					false);
 			
-			final ArrayList<LaunchElement> input = createLaunchElements(configuration, new ArrayList<LaunchElement>());
+			final List<LaunchElement> input = createLaunchElements(configuration, new ArrayList<LaunchElement>());
 			MultiLaunchListener listener = new MultiLaunchListener(launch);
 			ILaunchManager launchManager = DebugPlugin.getDefault().getLaunchManager();
 			launchManager.addLaunchListener(listener); // listener removed when launch is removed
@@ -340,8 +341,8 @@ public class MultiLaunchConfigurationDelegate extends LaunchConfigurationDelegat
 		return null;
 	}
 
-	public static ArrayList<LaunchElement> createLaunchElements(ILaunchConfiguration configuration,
+	public static List<LaunchElement> createLaunchElements(ILaunchConfiguration configuration,
-			ArrayList<MultiLaunchConfigurationDelegate.LaunchElement> input) {
+			List<MultiLaunchConfigurationDelegate.LaunchElement> input) {
 		try {
 			Map<?,?> attrs = configuration.getAttributes();
 			for (Iterator<?> iterator = attrs.keySet().iterator(); iterator.hasNext();) {
@@ -394,11 +395,10 @@ public class MultiLaunchConfigurationDelegate extends LaunchConfigurationDelegat
 		return input;
 	}
 
-	public static void storeLaunchElements(ILaunchConfigurationWorkingCopy configuration, ArrayList<LaunchElement> input) {
+	public static void storeLaunchElements(ILaunchConfigurationWorkingCopy configuration, List<LaunchElement> input) {
 		int i = 0;
 		removeLaunchElements(configuration);
-		for (Iterator<LaunchElement> iterator = input.iterator(); iterator.hasNext();) {
+		for (LaunchElement el : input) {
-			MultiLaunchConfigurationDelegate.LaunchElement el = iterator.next();
 			if (el == null) continue;
 			configuration.setAttribute(MultiLaunchConfigurationDelegate.getProp(i, NAME_PROP), el.getName());
 			configuration.setAttribute(MultiLaunchConfigurationDelegate.getProp(i, ACTION_PROP), el.getAction().toString());

launch/org.eclipse.cdt.launch/src/org/eclipse/cdt/launch/internal/ui/LaunchMessages.properties

@@ -159,13 +159,17 @@ MultiLaunchConfigurationDelegate.Action.Delay=Delay
 MultiLaunchConfigurationDelegate.Action.WaitingForTermination=Waiting for termination of
 MultiLaunchConfigurationDelegate.Action.Delaying=Delaying next launch by {0} seconds
 MultiLaunchConfigurationSelectionDialog.0=Launch Configuration Selector
-MultiLaunchConfigurationSelectionDialog.1=Select a Launch Configuration and a Launch Mode
 MultiLaunchConfigurationSelectionDialog.4=Launch Mode:
 MultiLaunchConfigurationSelectionDialog.5=Use default mode when launching
-MultiLaunchConfigurationSelectionDialog.7=Select a Launch Configuration
+MultiLaunchConfigurationSelectionDialog.7=Select a launch configuration
 MultiLaunchConfigurationSelectionDialog.8=Post launch action:
 MultiLaunchConfigurationSelectionDialog.9=Seconds:
 MultiLaunchConfigurationSelectionDialog.10=Enter valid number of seconds
+MultiLaunchConfigurationSelectionDialog.11=Select only one launch configuration
+MultiLaunchConfigurationSelectionDialog.12=Add Launch Configuration
+MultiLaunchConfigurationSelectionDialog.13=Edit Launch Configuration
+MultiLaunchConfigurationSelectionDialog.14=Add one or more launch configurations to the launch group
+MultiLaunchConfigurationSelectionDialog.15=Edit an existing entry in the launch group
 MultiLaunchConfigurationTabGroup.1=Up
 MultiLaunchConfigurationTabGroup.2=Down
 MultiLaunchConfigurationTabGroup.3=Edit...
@@ -173,8 +177,6 @@ MultiLaunchConfigurationTabGroup.4=Add...
 MultiLaunchConfigurationTabGroup.5=Remove
 MultiLaunchConfigurationTabGroup.6=Name
 MultiLaunchConfigurationTabGroup.7=Mode
-MultiLaunchConfigurationTabGroup.8=Select Launch Configuration
-MultiLaunchConfigurationTabGroup.9=Edit Launch Configuration
 MultiLaunchConfigurationTabGroup.10=Launches
 MultiLaunchConfigurationTabGroup.11=seconds
 MultiLaunchConfigurationTabGroup.12=Action

launch/org.eclipse.cdt.launch/src/org/eclipse/cdt/launch/internal/ui/MultiLaunchConfigurationSelectionDialog.java

@@ -1,8 +1,10 @@
 package org.eclipse.cdt.launch.internal.ui;
 
 
+import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.Iterator;
+import java.util.List;
 
 import org.eclipse.cdt.launch.internal.MultiLaunchConfigurationDelegate;
 import org.eclipse.cdt.launch.internal.MultiLaunchConfigurationDelegate.LaunchElement;
@@ -65,12 +67,14 @@ public class MultiLaunchConfigurationSelectionDialog extends TitleAreaDialog imp
 	private ComboControlledStackComposite fStackComposite;
 	private Label fDelayAmountLabel;
 	private Text fDelayAmountWidget; // in seconds
+	private boolean fForEditing; // true if dialog was opened to edit an entry, otherwise it was opened to add one
 	
-	public MultiLaunchConfigurationSelectionDialog(Shell shell, String title, String initMode) {
+	public MultiLaunchConfigurationSelectionDialog(Shell shell, String initMode, boolean forEditing) {
 		super(shell);
 		LaunchConfigurationManager manager = DebugUIPlugin.getDefault().getLaunchConfigurationManager();
 		launchGroups = manager.getLaunchGroups();
 		mode = initMode;
+		fForEditing = forEditing;
 		fFilters = null;
 		setShellStyle(getShellStyle() | SWT.RESIZE);
 		emptyTypeFilter = new ViewerFilter() {
@@ -100,10 +104,14 @@ public class MultiLaunchConfigurationSelectionDialog extends TitleAreaDialog imp
 	}
 
 	protected Control createDialogArea(Composite parent2) {
-		getShell().setText(LaunchMessages.getString("MultiLaunchConfigurationSelectionDialog.0")); //$NON-NLS-1$
-		setTitle(LaunchMessages.getString("MultiLaunchConfigurationSelectionDialog.1")); //$NON-NLS-1$
-		//setMessage("Select a Launch Configuration and a Launch Mode");
 		Composite comp = (Composite) super.createDialogArea(parent2);
+		
+		// title bar 
+		getShell().setText(fForEditing ? LaunchMessages.getString("MultiLaunchConfigurationSelectionDialog.13") : LaunchMessages.getString("MultiLaunchConfigurationSelectionDialog.12")); //$NON-NLS-1$ //$NON-NLS-2$
+		
+		// dialog message area (not title bar)
+		setTitle(fForEditing ? LaunchMessages.getString("MultiLaunchConfigurationSelectionDialog.15") : LaunchMessages.getString("MultiLaunchConfigurationSelectionDialog.14")); //$NON-NLS-1$ //$NON-NLS-2$
+		
 		fStackComposite = new ComboControlledStackComposite(comp, SWT.NONE);
 		HashMap<String, ILaunchGroup> modes = new HashMap<String, ILaunchGroup>();
 		for (ILaunchGroup launchGroup : launchGroups) {
@@ -114,15 +122,17 @@ public class MultiLaunchConfigurationSelectionDialog extends TitleAreaDialog imp
 		if (this.mode.equals(MultiLaunchConfigurationDelegate.DEFAULT_MODE)) {
 			try {
 				this.mode = "run"; //$NON-NLS-1$
-				ILaunchConfiguration sel = getSelectedLaunchConfiguration();
+				ILaunchConfiguration[] configs = getSelectedLaunchConfigurations();
-				if (sel != null)
+				if (configs.length > 0) {
+					// we care only about the first selected element
 					for (Iterator<String> iterator = modes.keySet().iterator(); iterator.hasNext();) {
 						String mode = iterator.next();
-						if (sel.supportsMode(mode)) {
+						if (configs[0].supportsMode(mode)) {
 							this.mode = mode;
 							break;
 						}
 					}
+				}
 			} catch (Exception e) {
 			}
 		} 
@@ -235,13 +245,17 @@ public class MultiLaunchConfigurationSelectionDialog extends TitleAreaDialog imp
 		fDelayAmountWidget.setVisible(visible);
 	}
 
-	public ILaunchConfiguration getSelectedLaunchConfiguration() {
+	public ILaunchConfiguration[] getSelectedLaunchConfigurations() {
+		List<ILaunchConfiguration> configs = new ArrayList<ILaunchConfiguration>(); 
 		if (fSelection != null && !fSelection.isEmpty()) {
-			Object firstElement = ((IStructuredSelection) fSelection).getFirstElement();
+			for (Iterator<?> iter = ((IStructuredSelection)fSelection).iterator(); iter.hasNext();) {
-			if (firstElement instanceof ILaunchConfiguration)
+				Object selection = iter.next();
-				return (ILaunchConfiguration) firstElement;
+				if (selection instanceof ILaunchConfiguration) {
+					configs.add((ILaunchConfiguration)selection);
+				}
+			}
 		}
-		return null;
+		return configs.toArray(new ILaunchConfiguration[configs.size()]);
 	}
 
 	public String getMode() {
@@ -256,8 +270,8 @@ public class MultiLaunchConfigurationSelectionDialog extends TitleAreaDialog imp
 		return actionParam;
 	}
 
-	public static MultiLaunchConfigurationSelectionDialog createDialog(Shell shell, String title, String groupId) {
+	public static MultiLaunchConfigurationSelectionDialog createDialog(Shell shell, String groupId, boolean forEditing) {
-		return new MultiLaunchConfigurationSelectionDialog(shell, title, groupId);
+		return new MultiLaunchConfigurationSelectionDialog(shell, groupId, forEditing);
 	}
 
 	/* (non-Javadoc)
@@ -305,12 +319,22 @@ public class MultiLaunchConfigurationSelectionDialog extends TitleAreaDialog imp
 	protected void validate() {
 		Button ok_button = getButton(IDialogConstants.OK_ID);
 		boolean isValid = true;
-		if (getSelectedLaunchConfiguration() == null) {
+		if (getSelectedLaunchConfigurations().length < 1) {
 			setErrorMessage(LaunchMessages.getString("MultiLaunchConfigurationSelectionDialog.7")); //$NON-NLS-1$
 			isValid = false;
 		} else {
 			setErrorMessage(null);
 		}
+		
+		if (isValid) {
+			if (fForEditing) {
+				// must have only one selection
+				if (getSelectedLaunchConfigurations().length > 1) {
+					setErrorMessage(LaunchMessages.getString("MultiLaunchConfigurationSelectionDialog.11")); //$NON-NLS-1$
+					isValid = false;
+				}
+			}
+		}
 
 		if (isValid) {
 			if (action == EPostLaunchAction.DELAY) {

launch/org.eclipse.cdt.launch/src/org/eclipse/cdt/launch/internal/ui/MultiLaunchConfigurationTabGroup.java

@@ -2,6 +2,7 @@ package org.eclipse.cdt.launch.internal.ui;
 
 import java.util.ArrayList;
 import java.util.Iterator;
+import java.util.List;
 
 import org.eclipse.cdt.launch.internal.MultiLaunchConfigurationDelegate;
 import org.eclipse.cdt.launch.internal.MultiLaunchConfigurationDelegate.LaunchElement;
@@ -47,7 +48,7 @@ import org.eclipse.ui.PlatformUI;
  */
 public class MultiLaunchConfigurationTabGroup extends AbstractLaunchConfigurationTabGroup {
 	static class ContentProvider implements IStructuredContentProvider, ITreeContentProvider {
-		protected ArrayList<LaunchElement> input;
+		protected List<LaunchElement> input;
 
 		public Object[] getElements(Object inputElement) {
 			return getChildren(inputElement);
@@ -59,27 +60,20 @@ public class MultiLaunchConfigurationTabGroup extends AbstractLaunchConfiguratio
 
 		@SuppressWarnings("unchecked") // nothing we can do about this
 		public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
-			if (newInput instanceof ArrayList<?>)
+			if (newInput instanceof List<?>)
-				input = (ArrayList<LaunchElement>) newInput;
+				input = (List<LaunchElement>) newInput;
 		}
 
 		public Object[] getChildren(Object parentElement) {
-			if (parentElement == input)
+			return (parentElement == input) ? input.toArray() : null;
-				return input.toArray();
-			else
-				return null;
 		}
 
 		public Object getParent(Object element) {
-			if (element == input)
+			return (element == input) ? null : input;
-				return null;
-			return input;
 		}
 
 		public boolean hasChildren(Object element) {
-			if (element == input)
+			return (element == input) ? (input.size() > 0) : false;
-				return input.size() > 0;
-			return false;
 		}
 	}
 	static class LabelProvider extends BaseLabelProvider implements ITableLabelProvider {
@@ -213,7 +207,7 @@ public class MultiLaunchConfigurationTabGroup extends AbstractLaunchConfiguratio
 	}
 	static class GroupLaunchTab extends AbstractLaunchConfigurationTab {
 		protected CheckboxTreeViewer treeViewer;
-		protected ArrayList<LaunchElement> input = new ArrayList<LaunchElement>();
+		protected List<LaunchElement> input = new ArrayList<LaunchElement>();
 		private String mode;
 
 		public GroupLaunchTab(String mode) {
@@ -245,23 +239,25 @@ public class MultiLaunchConfigurationTabGroup extends AbstractLaunchConfiguratio
 			treeViewer.setInput(input);
 			final ButtonComposite buts = new ButtonComposite(comp, SWT.NONE) {
 				protected void addPressed() {
-					MultiLaunchConfigurationSelectionDialog dialog = MultiLaunchConfigurationSelectionDialog.createDialog(treeViewer
+					MultiLaunchConfigurationSelectionDialog dialog = 
-					        .getControl().getShell(), LaunchMessages.getString("MultiLaunchConfigurationTabGroup.8"),  //$NON-NLS-1$
+						MultiLaunchConfigurationSelectionDialog.createDialog(
-					        mode
+								treeViewer.getControl().getShell(), mode, false);
-					        );
 					if (dialog.open() == Dialog.OK) {
-						ILaunchConfiguration conf = dialog.getSelectedLaunchConfiguration();
+						ILaunchConfiguration[] configs = dialog.getSelectedLaunchConfigurations();
-						if (conf==null) return;
+						if (configs.length < 1) 
-						MultiLaunchConfigurationDelegate.LaunchElement el = new MultiLaunchConfigurationDelegate.LaunchElement();
+							return;
-						input.add(el);
+						for (ILaunchConfiguration config : configs) {
-						el.setIndex(input.size() - 1);
+							MultiLaunchConfigurationDelegate.LaunchElement el = new MultiLaunchConfigurationDelegate.LaunchElement();
-						el.setEnabled(true);
+							input.add(el);
-						el.setName(conf.getName());
+							el.setIndex(input.size() - 1);
-						el.setData(conf);
+							el.setEnabled(true);
-						el.setMode(dialog.getMode());
+							el.setName(config.getName());
-						el.setAction(dialog.getAction(), dialog.getActionParam());
+							el.setData(config);
-						treeViewer.refresh(true);
+							el.setMode(dialog.getMode());
-						treeViewer.setChecked(el, el.isEnabled());
+							el.setAction(dialog.getAction(), dialog.getActionParam());
+							treeViewer.refresh(true);
+							treeViewer.setChecked(el, el.isEnabled());
+						}
 						updateWidgetEnablement();
 						updateLaunchConfigurationDialog();
 					}
@@ -269,27 +265,29 @@ public class MultiLaunchConfigurationTabGroup extends AbstractLaunchConfiguratio
 				protected void updateWidgetEnablement(){
 					downButton.setEnabled(isDownEnabled());
 					upButton.setEnabled(isUpEnabled());
-					int index = getSelIndex();
+
-					deleteButton.setEnabled(index>=0);
+					int selectionCount = getSelectionCount();
-					editButton.setEnabled(index>=0);
+					editButton.setEnabled(selectionCount == 1);
+					deleteButton.setEnabled(selectionCount > 0);
 				}
 				
 
 				protected void editPressed() {
-					int index = getSelIndex();
+					int index = getSingleSelectionIndex();
 					if (index < 0)
 						return;
 					MultiLaunchConfigurationDelegate.LaunchElement el = input.get(index);
-					MultiLaunchConfigurationSelectionDialog dialog = MultiLaunchConfigurationSelectionDialog.createDialog(treeViewer
+					MultiLaunchConfigurationSelectionDialog dialog = 
-					        .getControl().getShell(), LaunchMessages.getString("MultiLaunchConfigurationTabGroup.9"),  //$NON-NLS-1$
+						MultiLaunchConfigurationSelectionDialog.createDialog(
-					        el.getMode()
+								treeViewer.getControl().getShell(), el.getMode(), true);
-					        );
 					dialog.setInitialSelection(el);
 					if (dialog.open() == Dialog.OK) {
-						ILaunchConfiguration conf = dialog.getSelectedLaunchConfiguration();
+						ILaunchConfiguration[] confs = dialog.getSelectedLaunchConfigurations();
-						if (conf==null) return;
+						if (confs.length < 0) 
-						el.setName(conf.getName());
+							return;
-						el.setData(conf);
+						assert confs.length == 1 : "invocation of the dialog for editing an entry sholdn't allow OK to be hit if the user chooses multiple launch configs in the dialog"; //$NON-NLS-1$
+						el.setName(confs[0].getName());
+						el.setData(confs[0]);
 						el.setMode(dialog.getMode());
 						el.setAction(dialog.getAction(), dialog.getActionParam());
 						treeViewer.refresh(true);
@@ -298,27 +296,60 @@ public class MultiLaunchConfigurationTabGroup extends AbstractLaunchConfiguratio
 					}
 				}
 				protected void deletePressed() {
-					int index = getSelIndex();
+					int[] indices = getMultiSelectionIndices();
-					if (index < 0)
+					if (indices.length < 1)
 						return;
-					input.remove(index);
+					// need to delete from high to low
+					for (int i = indices.length - 1; i >= 0; i--) {
+						input.remove(indices[i]);
+					}
 					treeViewer.refresh(true);
 					updateWidgetEnablement();
 					updateLaunchConfigurationDialog();
 				}
 
-				private int getSelIndex() {
+				/**
+				 * @return the index of the selection if a single item is
+				 *         selected. If zero or multiple are selected, -1 is
+				 *         returned
+				 */
+				private int getSingleSelectionIndex() {
 					StructuredSelection sel = (StructuredSelection) treeViewer.getSelection();
-					if (sel.isEmpty())
+					if (sel.size() != 1)
 						return -1;
 					MultiLaunchConfigurationDelegate.LaunchElement el = ((MultiLaunchConfigurationDelegate.LaunchElement) sel
 					        .getFirstElement());
 					return input.indexOf(el);
 				}
 
+				/**
+				 * @return the indices of one or more selected items. Indices
+				 *         are always returned in ascending order
+				 */
+				private int[] getMultiSelectionIndices() {
+					StructuredSelection sel = (StructuredSelection) treeViewer.getSelection();
+					List<Integer> indices = new ArrayList<Integer>();
+					
+					for (Iterator<?> iter = sel.iterator(); iter.hasNext(); ) {
+						MultiLaunchConfigurationDelegate.LaunchElement el = (MultiLaunchConfigurationDelegate.LaunchElement)iter.next();
+						indices.add(input.indexOf(el));
+						
+					}
+					int[] result = new int[indices.size()];
+					for (int i = 0; i < result.length; i++) {
+						result[i] = indices.get(i);
+					}
+					return result;
+				}
+
+				private int getSelectionCount() {
+					return ((StructuredSelection)treeViewer.getSelection()).size();
+				}
+				
+
 				protected void downPressed() {
 					if (!isDownEnabled()) return;
-					int index = getSelIndex();
+					int index = getSingleSelectionIndex();
 					
 					MultiLaunchConfigurationDelegate.LaunchElement x = input.get(index);
 					input.set(index, input.get(index + 1));
@@ -329,22 +360,17 @@ public class MultiLaunchConfigurationTabGroup extends AbstractLaunchConfiguratio
 				}
 				
 				protected boolean isDownEnabled() {
-					int index = getSelIndex();
+					final int index = getSingleSelectionIndex();
-	                if (index < 0 || index == input.size() - 1)
+	                return (index >= 0) && (index != input.size() - 1);
-						return false;
-	                return true;
                 }
 				
 				protected boolean isUpEnabled(){
-					int index = getSelIndex();
+					return getSingleSelectionIndex() > 0;
-					if (index <= 0)
-						return false;
-					return true;
 				}
 
 				protected void upPressed() {
 					if (!isUpEnabled()) return;
-					int index = getSelIndex();
+					int index = getSingleSelectionIndex();
 					MultiLaunchConfigurationDelegate.LaunchElement x = input.get(index);
 					input.set(index, input.get(index - 1));
 					input.set(index - 1, x);