| /******************************************************************************* |
| * Copyright (c) 2000, 2011 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.jdt.internal.ui.wizards.buildpaths.newsourcepage; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.eclipse.swt.widgets.Shell; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IStatus; |
| |
| import org.eclipse.jface.action.Action; |
| import org.eclipse.jface.action.IAction; |
| import org.eclipse.jface.dialogs.ErrorDialog; |
| import org.eclipse.jface.dialogs.MessageDialog; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.ISelectionChangedListener; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.SelectionChangedEvent; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| |
| import org.eclipse.ui.IWorkbenchPage; |
| import org.eclipse.ui.IWorkbenchPart; |
| import org.eclipse.ui.IWorkbenchPartReference; |
| import org.eclipse.ui.IWorkbenchSite; |
| import org.eclipse.ui.forms.widgets.FormText; |
| import org.eclipse.ui.part.ISetSelectionTarget; |
| |
| import org.eclipse.jdt.internal.corext.buildpath.BuildpathDelta; |
| import org.eclipse.jdt.internal.corext.buildpath.IBuildpathModifierListener; |
| |
| import org.eclipse.jdt.internal.ui.JavaPlugin; |
| |
| public abstract class BuildpathModifierAction extends Action implements ISelectionChangedListener { |
| |
| public static final int ADD_SEL_SF_TO_BP= 0; |
| public static final int REMOVE_FROM_BP= 1; |
| public static final int EXCLUDE= 2; |
| public static final int UNEXCLUDE= 3; |
| public static final int EDIT_FILTERS= 4; |
| public static final int CREATE_LINK= 5; |
| public static final int RESET_ALL= 6; |
| public static final int EDIT_OUTPUT= 7; |
| public static final int CREATE_OUTPUT= 8; |
| public static final int RESET= 9; |
| public static final int INCLUDE= 10; |
| public static final int UNINCLUDE= 11; |
| public static final int CREATE_FOLDER= 12; |
| public static final int ADD_JAR_TO_BP= 13; |
| public static final int ADD_LIB_TO_BP= 14; |
| public static final int ADD_SEL_LIB_TO_BP= 15; |
| public static final int CONFIGURE_BUILD_PATH= 16; |
| public static final int RESET_ALL_OUTPUT_FOLDERS= 17; |
| public static final int DROP_DOWN_ACTION= 18; |
| |
| private final IWorkbenchSite fSite; |
| private final List<Object> fSelectedElements; |
| private final ISetSelectionTarget fSelectionTarget; |
| private final List<IBuildpathModifierListener> fListeners; |
| |
| public BuildpathModifierAction(IWorkbenchSite site, ISetSelectionTarget selectionTarget, int id) { |
| this(site, selectionTarget, id, IAction.AS_PUSH_BUTTON); |
| } |
| |
| public BuildpathModifierAction(IWorkbenchSite site, ISetSelectionTarget selectionTarget, int id, int style) { |
| super("", style); //$NON-NLS-1$ |
| |
| fSite= site; |
| fSelectionTarget= selectionTarget; |
| fSelectedElements= new ArrayList<Object>(); |
| fListeners= new ArrayList<IBuildpathModifierListener>(); |
| |
| setId(Integer.toString(id)); |
| } |
| |
| /** |
| * A detailed description usable for a {@link FormText} |
| * depending on the current selection, or <code>null</code> |
| * if <code>!enabled()</code> |
| * |
| * @return A detailed description or null if <code>!enabled()</code> |
| */ |
| public abstract String getDetailedDescription(); |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public void selectionChanged(final SelectionChangedEvent event) { |
| final ISelection selection = event.getSelection(); |
| if (selection instanceof IStructuredSelection) { |
| setEnabled(canHandle((IStructuredSelection) selection)); |
| fSelectedElements.clear(); |
| fSelectedElements.addAll(((IStructuredSelection)selection).toList()); |
| } else { |
| setEnabled(canHandle(StructuredSelection.EMPTY)); |
| fSelectedElements.clear(); |
| } |
| } |
| |
| protected abstract boolean canHandle(IStructuredSelection elements); |
| |
| protected List<?> getSelectedElements() { |
| return fSelectedElements; |
| } |
| |
| public void addBuildpathModifierListener(IBuildpathModifierListener listener) { |
| fListeners.add(listener); |
| } |
| |
| public void removeBuildpathModifierListener(IBuildpathModifierListener listener) { |
| fListeners.remove(listener); |
| } |
| |
| protected void informListeners(BuildpathDelta delta) { |
| for (Iterator<IBuildpathModifierListener> iterator= fListeners.iterator(); iterator.hasNext();) { |
| iterator.next().buildpathChanged(delta); |
| } |
| } |
| |
| protected Shell getShell() { |
| if (fSite == null) |
| return JavaPlugin.getActiveWorkbenchShell(); |
| |
| return fSite.getShell() != null ? fSite.getShell() : JavaPlugin.getActiveWorkbenchShell(); |
| } |
| |
| protected void showExceptionDialog(CoreException exception, String title) { |
| showError(exception, getShell(), title, exception.getMessage()); |
| } |
| |
| protected void showError(CoreException e, Shell shell, String title, String message) { |
| IStatus status= e.getStatus(); |
| if (status != null) { |
| ErrorDialog.openError(shell, message, title, status); |
| } else { |
| MessageDialog.openError(shell, title, message); |
| } |
| } |
| |
| protected void selectAndReveal(final ISelection selection) { |
| if (fSelectionTarget != null) |
| fSelectionTarget.selectReveal(selection); |
| |
| if (fSite == null) |
| return; |
| |
| // validate the input |
| IWorkbenchPage page= fSite.getPage(); |
| if (page == null) |
| return; |
| |
| // get all the view and editor parts |
| List<IWorkbenchPart> parts= new ArrayList<IWorkbenchPart>(); |
| IWorkbenchPartReference refs[]= page.getViewReferences(); |
| for (int i= 0; i < refs.length; i++) { |
| IWorkbenchPart part= refs[i].getPart(false); |
| if (part != null) |
| parts.add(part); |
| } |
| refs= page.getEditorReferences(); |
| for (int i= 0; i < refs.length; i++) { |
| if (refs[i].getPart(false) != null) |
| parts.add(refs[i].getPart(false)); |
| } |
| |
| Iterator<IWorkbenchPart> itr= parts.iterator(); |
| while (itr.hasNext()) { |
| IWorkbenchPart part= itr.next(); |
| |
| // get the part's ISetSelectionTarget implementation |
| ISetSelectionTarget target= null; |
| if (part instanceof ISetSelectionTarget) |
| target= (ISetSelectionTarget) part; |
| else |
| target= part.getAdapter(ISetSelectionTarget.class); |
| |
| if (target != null) { |
| // select and reveal resource |
| final ISetSelectionTarget finalTarget= target; |
| page.getWorkbenchWindow().getShell().getDisplay().asyncExec(new Runnable() { |
| public void run() { |
| finalTarget.selectReveal(selection); |
| } |
| }); |
| } |
| } |
| } |
| } |