| /******************************************************************************* |
| * Copyright (c) 2000, 2007 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 java.util.ArrayList; |
| import java.util.List; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.debug.core.DebugPlugin; |
| import org.eclipse.debug.core.ILaunchConfiguration; |
| import org.eclipse.debug.core.ILaunchConfigurationType; |
| import org.eclipse.debug.core.ILaunchManager; |
| import org.eclipse.debug.internal.ui.DebugUIPlugin; |
| import org.eclipse.jface.viewers.ITreeContentProvider; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.ui.activities.WorkbenchActivityHelper; |
| |
| /** |
| * Content provider for representing launch configuration types & launch configurations in a tree. |
| * |
| * @since 2.1 |
| */ |
| public class LaunchConfigurationTreeContentProvider implements ITreeContentProvider { |
| |
| /** |
| * Empty Object array |
| */ |
| private static final Object[] EMPTY_ARRAY = new Object[0]; |
| |
| /** |
| * The mode in which the tree is being shown, one of <code>RUN_MODE</code> |
| * or <code>DEBUG_MODE</code> defined in <code>ILaunchManager</code>. |
| * If this is <code>null</code>, then it means both modes are being shown. |
| */ |
| private String fMode; |
| |
| /** |
| * The Shell context |
| */ |
| private Shell fShell; |
| |
| /** |
| * Constructor |
| * @param mode the mode |
| * @param shell the parent shell |
| */ |
| public LaunchConfigurationTreeContentProvider(String mode, Shell shell) { |
| setMode(mode); |
| setShell(shell); |
| } |
| |
| /** |
| * Actual launch configurations have no children. Launch configuration types have |
| * all configurations of that type as children, minus any configurations that are |
| * marked as private. |
| * <p> |
| * In 2.1, the <code>category</code> attribute was added to launch config |
| * types. The debug UI only displays those configs that do not specify a |
| * category. |
| * </p> |
| * |
| * @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang.Object) |
| */ |
| public Object[] getChildren(Object parentElement) { |
| if (parentElement instanceof ILaunchConfiguration) { |
| return EMPTY_ARRAY; |
| } else if (parentElement instanceof ILaunchConfigurationType) { |
| try { |
| ILaunchConfigurationType type = (ILaunchConfigurationType)parentElement; |
| return getLaunchManager().getLaunchConfigurations(type); |
| } catch (CoreException e) { |
| DebugUIPlugin.errorDialog(getShell(), LaunchConfigurationsMessages.LaunchConfigurationDialog_Error_19, LaunchConfigurationsMessages.LaunchConfigurationDialog_An_exception_occurred_while_retrieving_launch_configurations_20, e); // |
| } |
| } else { |
| return getLaunchManager().getLaunchConfigurationTypes(); |
| } |
| return EMPTY_ARRAY; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.ITreeContentProvider#getParent(java.lang.Object) |
| */ |
| public Object getParent(Object element) { |
| if (element instanceof ILaunchConfiguration) { |
| if (!((ILaunchConfiguration)element).exists()) { |
| return null; |
| } |
| try { |
| return ((ILaunchConfiguration)element).getType(); |
| } catch (CoreException e) { |
| DebugUIPlugin.errorDialog(getShell(), LaunchConfigurationsMessages.LaunchConfigurationDialog_Error_19, LaunchConfigurationsMessages.LaunchConfigurationDialog_An_exception_occurred_while_retrieving_launch_configurations_20, e); // |
| } |
| } else if (element instanceof ILaunchConfigurationType) { |
| return ResourcesPlugin.getWorkspace().getRoot(); |
| } |
| return null; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.ITreeContentProvider#hasChildren(java.lang.Object) |
| */ |
| public boolean hasChildren(Object element) { |
| if (element instanceof ILaunchConfiguration) { |
| return false; |
| } |
| return getChildren(element).length > 0; |
| } |
| |
| /** |
| * Return only the launch configuration types that support the current mode AND |
| * are marked as 'public'. |
| * |
| * @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object) |
| */ |
| public Object[] getElements(Object inputElement) { |
| ILaunchConfigurationType[] allTypes = getLaunchManager().getLaunchConfigurationTypes(); |
| return filterTypes(allTypes).toArray(); |
| } |
| |
| /** |
| * Returns a list containing the given types minus any types that |
| * should not be visible. A type should not be visible if it doesn't match |
| * the current mode or if it matches a disabled activity. |
| * |
| * @param allTypes the types |
| * @return the given types minus any types that should not be visible. |
| */ |
| private List filterTypes(ILaunchConfigurationType[] allTypes) { |
| List filteredTypes= new ArrayList(); |
| String mode = getMode(); |
| LaunchConfigurationTypeContribution contribution; |
| for (int i = 0; i < allTypes.length; i++) { |
| ILaunchConfigurationType type = allTypes[i]; |
| contribution= new LaunchConfigurationTypeContribution(type); |
| if (isVisible(type, mode) && !WorkbenchActivityHelper.filterItem(contribution)) { |
| filteredTypes.add(type); |
| } |
| } |
| return filteredTypes; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.IContentProvider#dispose() |
| */ |
| public void dispose() { |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object) |
| */ |
| public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { |
| } |
| |
| /** |
| * Return <code>true</code> if the specified launch configuration type should |
| * be visible in the specified mode, <code>false</code> otherwise. |
| */ |
| private boolean isVisible(ILaunchConfigurationType configType, String mode) { |
| if (!configType.isPublic()) { |
| return false; |
| } |
| if (mode == null) { |
| return true; |
| } |
| return configType.supportsMode(mode); |
| } |
| |
| /** |
| * Convenience method to get the singleton launch manager. |
| */ |
| private ILaunchManager getLaunchManager() { |
| return DebugPlugin.getDefault().getLaunchManager(); |
| } |
| |
| /** |
| * Write accessor for the mode value |
| */ |
| private void setMode(String mode) { |
| fMode = mode; |
| } |
| |
| /** |
| * Read accessor for the mode value |
| */ |
| private String getMode() { |
| return fMode; |
| } |
| |
| /** |
| * Write accessor for the shell value |
| */ |
| private void setShell(Shell shell) { |
| fShell = shell; |
| } |
| |
| /** |
| * Read accessor for the shell value |
| */ |
| private Shell getShell() { |
| return fShell; |
| } |
| } |