| /******************************************************************************* |
| * Copyright (c) 2000, 2005 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.ui.internal.ide.dialogs; |
| |
| import java.lang.reflect.InvocationTargetException; |
| import java.util.ArrayList; |
| |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.resources.IProjectDescription; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.IWorkspace; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.jface.dialogs.ErrorDialog; |
| import org.eclipse.jface.operation.IRunnableWithProgress; |
| import org.eclipse.jface.viewers.CheckStateChangedEvent; |
| import org.eclipse.jface.viewers.CheckboxTableViewer; |
| import org.eclipse.jface.viewers.ICheckStateListener; |
| import org.eclipse.jface.viewers.IStructuredContentProvider; |
| import org.eclipse.jface.viewers.ViewerSorter; |
| import org.eclipse.osgi.util.NLS; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.graphics.Font; |
| import org.eclipse.swt.graphics.FontData; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.layout.GridLayout; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Label; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.dialogs.PropertyPage; |
| import org.eclipse.ui.internal.ide.DialogUtil; |
| import org.eclipse.ui.internal.ide.IDEWorkbenchMessages; |
| import org.eclipse.ui.internal.ide.IDEWorkbenchPlugin; |
| import org.eclipse.ui.internal.ide.IIDEHelpContextIds; |
| import org.eclipse.ui.internal.progress.ProgressMonitorJobsDialog; |
| import org.eclipse.ui.model.WorkbenchContentProvider; |
| import org.eclipse.ui.model.WorkbenchLabelProvider; |
| |
| /** |
| * A property page for viewing and modifying the set |
| * of projects referenced by a given project. |
| */ |
| public class ProjectReferencePage extends PropertyPage { |
| private IProject project; |
| |
| private boolean modified = false; |
| |
| //widgets |
| private CheckboxTableViewer listViewer; |
| |
| private static final int PROJECT_LIST_MULTIPLIER = 30; |
| |
| /** |
| * Creates a new ProjectReferencePage. |
| */ |
| public ProjectReferencePage() { |
| //Do nothing on creation |
| } |
| |
| /** |
| * @see PreferencePage#createContents |
| */ |
| protected Control createContents(Composite parent) { |
| |
| PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(), |
| IIDEHelpContextIds.PROJECT_REFERENCE_PROPERTY_PAGE); |
| Font font = parent.getFont(); |
| |
| Composite composite = new Composite(parent, SWT.NONE); |
| GridLayout layout = new GridLayout(); |
| composite.setLayout(layout); |
| composite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); |
| composite.setFont(font); |
| |
| initialize(); |
| |
| Label description = createDescriptionLabel(composite); |
| description.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false)); |
| |
| listViewer = CheckboxTableViewer.newCheckList(composite, SWT.TOP |
| | SWT.BORDER); |
| listViewer.getTable().setFont(font); |
| GridData data = new GridData(GridData.FILL_BOTH); |
| data.grabExcessHorizontalSpace = true; |
| |
| //Only set a height hint if it will not result in a cut off dialog |
| if (DialogUtil.inRegularFontMode(parent)) |
| data.heightHint = getDefaultFontHeight(listViewer.getTable(), |
| PROJECT_LIST_MULTIPLIER); |
| listViewer.getTable().setLayoutData(data); |
| listViewer.getTable().setFont(font); |
| |
| listViewer.setLabelProvider(WorkbenchLabelProvider |
| .getDecoratingWorkbenchLabelProvider()); |
| listViewer.setContentProvider(getContentProvider(project)); |
| listViewer.setSorter(new ViewerSorter()); |
| listViewer.setInput(project.getWorkspace()); |
| try { |
| listViewer.setCheckedElements(project.getDescription() |
| .getReferencedProjects()); |
| } catch (CoreException e) { |
| //don't initial-check anything |
| } |
| |
| //check for initial modification to avoid work if no changes are made |
| listViewer.addCheckStateListener(new ICheckStateListener() { |
| public void checkStateChanged(CheckStateChangedEvent event) { |
| modified = true; |
| } |
| }); |
| |
| return composite; |
| } |
| |
| /** |
| * Returns a content provider for the list dialog. It |
| * will return all projects in the workspace except |
| * the given project, plus any projects referenced |
| * by the given project which do no exist in the |
| * workspace. |
| * @param project the project to provide content for |
| * @return the content provider that shows the project content |
| */ |
| protected IStructuredContentProvider getContentProvider( |
| final IProject project) { |
| return new WorkbenchContentProvider() { |
| public Object[] getChildren(Object o) { |
| if (!(o instanceof IWorkspace)) { |
| return new Object[0]; |
| } |
| |
| // Collect all the projects in the workspace except the given project |
| IProject[] projects = ((IWorkspace) o).getRoot().getProjects(); |
| ArrayList referenced = new ArrayList(projects.length); |
| boolean found = false; |
| for (int i = 0; i < projects.length; i++) { |
| if (!found && projects[i].equals(project)) { |
| found = true; |
| continue; |
| } |
| referenced.add(projects[i]); |
| } |
| |
| // Add any referenced that do not exist in the workspace currently |
| try { |
| projects = project.getDescription().getReferencedProjects(); |
| for (int i = 0; i < projects.length; i++) { |
| if (!referenced.contains(projects[i])) |
| referenced.add(projects[i]); |
| } |
| } catch (CoreException e) { |
| //Ignore core exceptions |
| } |
| |
| return referenced.toArray(); |
| } |
| }; |
| } |
| |
| /** |
| * Get the defualt widget height for the supplied control. |
| * @return int |
| * @param control - the control being queried about fonts |
| * @param lines - the number of lines to be shown on the table. |
| */ |
| private static int getDefaultFontHeight(Control control, int lines) { |
| FontData[] viewerFontData = control.getFont().getFontData(); |
| int fontHeight = 10; |
| |
| //If we have no font data use our guess |
| if (viewerFontData.length > 0) |
| fontHeight = viewerFontData[0].getHeight(); |
| return lines * fontHeight; |
| |
| } |
| |
| /** |
| * Handle the exception thrown when saving. |
| * @param e the exception |
| */ |
| protected void handle(InvocationTargetException e) { |
| IStatus error; |
| Throwable target = e.getTargetException(); |
| if (target instanceof CoreException) { |
| error = ((CoreException) target).getStatus(); |
| } else { |
| String msg = target.getMessage(); |
| if (msg == null) |
| msg = IDEWorkbenchMessages.Internal_error; |
| error = new Status(IStatus.ERROR, IDEWorkbenchPlugin.IDE_WORKBENCH, |
| 1, msg, target); |
| } |
| ErrorDialog.openError(getControl().getShell(), null, null, error); |
| } |
| |
| /** |
| * Initializes a ProjectReferencePage. |
| */ |
| private void initialize() { |
| project = (IProject) getElement().getAdapter(IResource.class); |
| noDefaultAndApplyButton(); |
| setDescription(NLS.bind(IDEWorkbenchMessages.ProjectReferencesPage_label, project.getName())); |
| } |
| |
| /** |
| * @see PreferencePage#performOk |
| */ |
| public boolean performOk() { |
| if (!modified) |
| return true; |
| Object[] checked = listViewer.getCheckedElements(); |
| final IProject[] refs = new IProject[checked.length]; |
| System.arraycopy(checked, 0, refs, 0, checked.length); |
| IRunnableWithProgress runnable = new IRunnableWithProgress() { |
| public void run(IProgressMonitor monitor) |
| throws InvocationTargetException { |
| |
| try { |
| IProjectDescription description = project.getDescription(); |
| description.setReferencedProjects(refs); |
| project.setDescription(description, monitor); |
| } catch (CoreException e) { |
| throw new InvocationTargetException(e); |
| } |
| } |
| }; |
| try { |
| new ProgressMonitorJobsDialog(getControl().getShell()).run(true, |
| true, runnable); |
| } catch (InterruptedException e) { |
| //Ignore interrupted exceptions |
| } catch (InvocationTargetException e) { |
| handle(e); |
| return false; |
| } |
| return true; |
| } |
| } |