| /* |
| * Copyright (C) 2007 The Android Open Source Project |
| * |
| * Licensed under the Eclipse Public License, Version 1.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.eclipse.org/org/documents/epl-v10.php |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.ide.eclipse.adt.internal.ui; |
| |
| import com.android.ide.common.resources.ResourceFile; |
| import com.android.ide.common.resources.ResourceItem; |
| import com.android.ide.eclipse.adt.AdtConstants; |
| import com.android.ide.eclipse.adt.AdtPlugin; |
| import com.android.ide.eclipse.adt.internal.resources.manager.GlobalProjectMonitor.IResourceEventListener; |
| import com.android.ide.eclipse.adt.internal.resources.manager.ProjectResources; |
| import com.android.ide.eclipse.adt.internal.resources.manager.ResourceManager; |
| import com.android.ide.eclipse.adt.io.IFileWrapper; |
| import com.android.io.IAbstractFile; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.jdt.core.IJavaElement; |
| import org.eclipse.jdt.core.IJavaProject; |
| import org.eclipse.jface.preference.IPreferenceStore; |
| import org.eclipse.jface.viewers.DoubleClickEvent; |
| import org.eclipse.jface.viewers.IDoubleClickListener; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.TreeViewer; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.SWTException; |
| import org.eclipse.swt.events.ControlEvent; |
| import org.eclipse.swt.events.ControlListener; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Tree; |
| import org.eclipse.swt.widgets.TreeColumn; |
| import org.eclipse.ui.IEditorInput; |
| import org.eclipse.ui.IEditorPart; |
| import org.eclipse.ui.IFileEditorInput; |
| import org.eclipse.ui.ISelectionListener; |
| import org.eclipse.ui.IWorkbenchPage; |
| import org.eclipse.ui.IWorkbenchPart; |
| import org.eclipse.ui.PartInitException; |
| import org.eclipse.ui.ide.IDE; |
| import org.eclipse.ui.part.ViewPart; |
| |
| import java.util.Iterator; |
| |
| /** |
| * Resource Explorer View. |
| * <p/> |
| * This contains a basic Tree view, and uses a TreeViewer to handle the data. |
| * <p/> |
| * The view listener to change in selection in the workbench, and update to show the resource |
| * of the project of the current selected item (either item in the package explorer, or of the |
| * current editor). |
| * |
| * @see ResourceContentProvider |
| */ |
| public class ResourceExplorerView extends ViewPart implements ISelectionListener, |
| IResourceEventListener { |
| |
| // Note: keep using the obsolete SdkConstants.EDITORS_NAMESPACE (which used |
| // to be the Editors Plugin ID) to keep existing preferences functional. |
| private final static String PREFS_COLUMN_RES = |
| AdtConstants.EDITORS_NAMESPACE + "ResourceExplorer.Col1"; //$NON-NLS-1$ |
| private final static String PREFS_COLUMN_2 = |
| AdtConstants.EDITORS_NAMESPACE + "ResourceExplorer.Col2"; //$NON-NLS-1$ |
| |
| private Tree mTree; |
| private TreeViewer mTreeViewer; |
| |
| private IProject mCurrentProject; |
| |
| public ResourceExplorerView() { |
| } |
| |
| @Override |
| public void createPartControl(Composite parent) { |
| mTree = new Tree(parent, SWT.SINGLE | SWT.VIRTUAL); |
| mTree.setLayoutData(new GridData(GridData.FILL_BOTH)); |
| mTree.setHeaderVisible(true); |
| mTree.setLinesVisible(true); |
| |
| final IPreferenceStore store = AdtPlugin.getDefault().getPreferenceStore(); |
| |
| // create 2 columns. The main one with the resources, and an "info" column. |
| createTreeColumn(mTree, "Resources", SWT.LEFT, |
| "abcdefghijklmnopqrstuvwxz", -1, PREFS_COLUMN_RES, store); //$NON-NLS-1$ |
| createTreeColumn(mTree, "Info", SWT.LEFT, |
| "0123456789", -1, PREFS_COLUMN_2, store); //$NON-NLS-1$ |
| |
| // create the jface wrapper |
| mTreeViewer = new TreeViewer(mTree); |
| |
| mTreeViewer.setContentProvider(new ResourceContentProvider(true /* fullLevels */)); |
| mTreeViewer.setLabelProvider(new ResourceLabelProvider()); |
| |
| // listen to selection change in the workbench. |
| IWorkbenchPage page = getSite().getPage(); |
| |
| page.addSelectionListener(this); |
| |
| // init with current selection |
| selectionChanged(getSite().getPart(), page.getSelection()); |
| |
| // add support for double click. |
| mTreeViewer.addDoubleClickListener(new IDoubleClickListener() { |
| @Override |
| public void doubleClick(DoubleClickEvent event) { |
| ISelection sel = event.getSelection(); |
| |
| if (sel instanceof IStructuredSelection) { |
| IStructuredSelection selection = (IStructuredSelection) sel; |
| |
| if (selection.size() == 1) { |
| Object element = selection.getFirstElement(); |
| |
| // if it's a resourceFile, we directly open it. |
| if (element instanceof ResourceFile) { |
| try { |
| IAbstractFile iAbstractFile = ((ResourceFile)element).getFile(); |
| if (iAbstractFile instanceof IFileWrapper) { |
| IDE.openEditor(getSite().getWorkbenchWindow().getActivePage(), |
| ((IFileWrapper)iAbstractFile).getIFile()); |
| } |
| } catch (PartInitException e) { |
| } |
| } else if (element instanceof ResourceItem) { |
| // if it's a ResourceItem, we open the first file, but only if |
| // there's no alternate files. |
| ResourceItem item = (ResourceItem)element; |
| |
| if (item.isEditableDirectly()) { |
| ResourceFile[] files = item.getSourceFileArray(); |
| if (files[0] != null) { |
| try { |
| IAbstractFile iAbstractFile = files[0].getFile(); |
| if (iAbstractFile instanceof IFileWrapper) { |
| IDE.openEditor( |
| getSite().getWorkbenchWindow().getActivePage(), |
| ((IFileWrapper)iAbstractFile).getIFile()); |
| } |
| } catch (PartInitException e) { |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| }); |
| |
| // set up the resource manager to send us resource change notification |
| AdtPlugin.getDefault().getResourceMonitor().addResourceEventListener(this); |
| } |
| |
| @Override |
| public void dispose() { |
| AdtPlugin.getDefault().getResourceMonitor().removeResourceEventListener(this); |
| |
| super.dispose(); |
| } |
| |
| @Override |
| public void setFocus() { |
| mTree.setFocus(); |
| } |
| |
| /** |
| * Processes a new selection. |
| */ |
| @Override |
| public void selectionChanged(IWorkbenchPart part, ISelection selection) { |
| // first we test if the part is an editor. |
| if (part instanceof IEditorPart) { |
| // if it is, we check if it's a file editor. |
| IEditorInput input = ((IEditorPart)part).getEditorInput(); |
| |
| if (input instanceof IFileEditorInput) { |
| // from the file editor we can get the IFile object, and from it, the IProject. |
| IFile file = ((IFileEditorInput)input).getFile(); |
| |
| // get the file project |
| IProject project = file.getProject(); |
| |
| handleProjectSelection(project); |
| } |
| } else if (selection instanceof IStructuredSelection) { |
| // if it's not an editor, we look for structured selection. |
| for (Iterator<?> it = ((IStructuredSelection) selection).iterator(); |
| it.hasNext();) { |
| Object element = it.next(); |
| IProject project = null; |
| |
| // if we are in the navigator or package explorer, the selection could contain a |
| // IResource object. |
| if (element instanceof IResource) { |
| project = ((IResource) element).getProject(); |
| } else if (element instanceof IJavaElement) { |
| // if we are in the package explorer on a java element, we handle that too. |
| IJavaElement javaElement = (IJavaElement)element; |
| IJavaProject javaProject = javaElement.getJavaProject(); |
| if (javaProject != null) { |
| project = javaProject.getProject(); |
| } |
| } else if (element instanceof IAdaptable) { |
| // finally we try to get a project object from IAdaptable. |
| project = (IProject) ((IAdaptable) element) |
| .getAdapter(IProject.class); |
| } |
| |
| // if we found a project, handle it, and return. |
| if (project != null) { |
| if (handleProjectSelection(project)) { |
| return; |
| } |
| } |
| } |
| } |
| } |
| |
| /** |
| * Handles a project selection. |
| * @param project the new selected project |
| * @return true if the project could be processed. |
| */ |
| private boolean handleProjectSelection(IProject project) { |
| try { |
| // if it's an android project, then we get its resources, and feed them |
| // to the tree viewer. |
| if (project.hasNature(AdtConstants.NATURE_DEFAULT)) { |
| if (mCurrentProject != project) { |
| ProjectResources projRes = ResourceManager.getInstance().getProjectResources( |
| project); |
| if (projRes != null) { |
| mTreeViewer.setInput(projRes); |
| mCurrentProject = project; |
| return true; |
| } |
| } |
| } |
| } catch (CoreException e) { |
| } |
| |
| return false; |
| } |
| |
| /** |
| * Create a TreeColumn with the specified parameters. If a |
| * <code>PreferenceStore</code> object and a preference entry name String |
| * object are provided then the column will listen to change in its width |
| * and update the preference store accordingly. |
| * |
| * @param parent The Table parent object |
| * @param header The header string |
| * @param style The column style |
| * @param sample_text A sample text to figure out column width if preference |
| * value is missing |
| * @param fixedSize a fixed size. If != -1 the column is non resizable |
| * @param pref_name The preference entry name for column width |
| * @param prefs The preference store |
| */ |
| public void createTreeColumn(Tree parent, String header, int style, |
| String sample_text, int fixedSize, final String pref_name, |
| final IPreferenceStore prefs) { |
| |
| // create the column |
| TreeColumn col = new TreeColumn(parent, style); |
| |
| if (fixedSize != -1) { |
| col.setWidth(fixedSize); |
| col.setResizable(false); |
| } else { |
| // if there is no pref store or the entry is missing, we use the sample |
| // text and pack the column. |
| // Otherwise we just read the width from the prefs and apply it. |
| if (prefs == null || prefs.contains(pref_name) == false) { |
| col.setText(sample_text); |
| col.pack(); |
| |
| // init the prefs store with the current value |
| if (prefs != null) { |
| prefs.setValue(pref_name, col.getWidth()); |
| } |
| } else { |
| col.setWidth(prefs.getInt(pref_name)); |
| } |
| |
| // if there is a pref store and a pref entry name, then we setup a |
| // listener to catch column resize to put the new width value into the store. |
| if (prefs != null && pref_name != null) { |
| col.addControlListener(new ControlListener() { |
| @Override |
| public void controlMoved(ControlEvent e) { |
| } |
| |
| @Override |
| public void controlResized(ControlEvent e) { |
| // get the new width |
| int w = ((TreeColumn)e.widget).getWidth(); |
| |
| // store in pref store |
| prefs.setValue(pref_name, w); |
| } |
| }); |
| } |
| } |
| |
| // set the header |
| col.setText(header); |
| } |
| |
| /** |
| * Processes a start in a resource event change. |
| */ |
| @Override |
| public void resourceChangeEventStart() { |
| // pass |
| } |
| |
| /** |
| * Processes the end of a resource change event. |
| */ |
| @Override |
| public void resourceChangeEventEnd() { |
| try { |
| mTree.getDisplay().asyncExec(new Runnable() { |
| @Override |
| public void run() { |
| if (mTree.isDisposed() == false) { |
| mTreeViewer.refresh(); |
| } |
| } |
| }); |
| } catch (SWTException e) { |
| // display is disposed. nothing to do. |
| } |
| } |
| } |
