| /******************************************************************************* |
| * Copyright (c) 2000, 2009 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 |
| * Sebastian Davids <sdavids@gmx.de> - Fix for bug 19346 - Dialog |
| * font should be activated and used by other components. |
| *******************************************************************************/ |
| package org.eclipse.ui.internal.about; |
| |
| import java.io.IOException; |
| import java.net.URL; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Path; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.core.runtime.jobs.Job; |
| import org.eclipse.jface.dialogs.IDialogConstants; |
| import org.eclipse.jface.util.ConfigureColumns; |
| import org.eclipse.jface.viewers.ArrayContentProvider; |
| import org.eclipse.jface.viewers.IBaseLabelProvider; |
| import org.eclipse.jface.viewers.ISelectionChangedListener; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.ITableLabelProvider; |
| import org.eclipse.jface.viewers.LabelProvider; |
| import org.eclipse.jface.viewers.LabelProviderChangedEvent; |
| import org.eclipse.jface.viewers.SelectionChangedEvent; |
| import org.eclipse.jface.viewers.TableViewer; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.jface.viewers.ViewerComparator; |
| import org.eclipse.osgi.util.NLS; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.custom.SashForm; |
| import org.eclipse.swt.events.SelectionAdapter; |
| import org.eclipse.swt.events.SelectionEvent; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.layout.FillLayout; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.widgets.Button; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Label; |
| import org.eclipse.swt.widgets.Table; |
| import org.eclipse.swt.widgets.TableColumn; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.internal.IWorkbenchGraphicConstants; |
| import org.eclipse.ui.internal.IWorkbenchHelpContextIds; |
| import org.eclipse.ui.internal.WorkbenchImages; |
| import org.eclipse.ui.internal.WorkbenchMessages; |
| import org.eclipse.ui.internal.WorkbenchPlugin; |
| import org.eclipse.ui.internal.misc.StatusUtil; |
| import org.eclipse.ui.internal.util.BundleUtility; |
| import org.eclipse.ui.progress.WorkbenchJob; |
| import org.eclipse.ui.statushandlers.StatusManager; |
| import org.osgi.framework.Bundle; |
| |
| /** |
| * Displays information about the product plugins. |
| * |
| * PRIVATE this class is internal to the ide |
| */ |
| public class AboutPluginsPage extends ProductInfoPage { |
| |
| public class BundleTableLabelProvider extends LabelProvider implements |
| ITableLabelProvider { |
| |
| /** |
| * Queue containing bundle signing info to be resolved. |
| */ |
| private LinkedList resolveQueue = new LinkedList(); |
| |
| /** |
| * Queue containing bundle data that's been resolve and needs updating. |
| */ |
| private List updateQueue = new ArrayList(); |
| |
| /* |
| * this job will attempt to discover the signing state of a given bundle |
| * and then send it along to the update job |
| */ |
| private Job resolveJob = new Job(AboutPluginsPage.class.getName()) { |
| { |
| setSystem(true); |
| setPriority(Job.SHORT); |
| } |
| |
| protected IStatus run(IProgressMonitor monitor) { |
| while (true) { |
| // If the UI has not been created, nothing to do. |
| if (vendorInfo == null) |
| return Status.OK_STATUS; |
| // If the UI has been disposed since we were asked to |
| // render, nothing to do. |
| Table table = vendorInfo.getTable(); |
| // the table has been disposed since we were asked to render |
| if (table == null || table.isDisposed()) |
| return Status.OK_STATUS; |
| AboutBundleData data = null; |
| synchronized (resolveQueue) { |
| if (resolveQueue.isEmpty()) |
| return Status.OK_STATUS; |
| data = (AboutBundleData) resolveQueue.removeFirst(); |
| } |
| try { |
| // following is an expensive call |
| data.isSigned(); |
| |
| synchronized (updateQueue) { |
| updateQueue.add(data); |
| } |
| // start the update job |
| updateJob.schedule(); |
| } catch (IllegalStateException e) { |
| // the bundle we're testing has been unloaded. Do |
| // nothing. |
| } |
| } |
| } |
| }; |
| |
| /* |
| * this job is responsible for feeding label change events into the |
| * viewer as they become available from the resolve job |
| */ |
| private Job updateJob = new WorkbenchJob(PlatformUI.getWorkbench() |
| .getDisplay(), AboutPluginsPage.class.getName()) { |
| { |
| setSystem(true); |
| setPriority(Job.DECORATE); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see |
| * org.eclipse.ui.progress.UIJob#runInUIThread(org.eclipse.core. |
| * runtime.IProgressMonitor) |
| */ |
| public IStatus runInUIThread(IProgressMonitor monitor) { |
| while (true) { |
| Control page = getControl(); |
| // the page has gone down since we were asked to render |
| if (page == null || page.isDisposed()) |
| return Status.OK_STATUS; |
| AboutBundleData[] data = null; |
| synchronized (updateQueue) { |
| if (updateQueue.isEmpty()) |
| return Status.OK_STATUS; |
| |
| data = (AboutBundleData[]) updateQueue |
| .toArray(new AboutBundleData[updateQueue.size()]); |
| updateQueue.clear(); |
| |
| } |
| fireLabelProviderChanged(new LabelProviderChangedEvent( |
| BundleTableLabelProvider.this, data)); |
| } |
| } |
| }; |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see |
| * org.eclipse.jface.viewers.ITableLabelProvider#getColumnImage(java |
| * .lang.Object, int) |
| */ |
| public Image getColumnImage(Object element, int columnIndex) { |
| if (columnIndex == 0) { |
| if (element instanceof AboutBundleData) { |
| final AboutBundleData data = (AboutBundleData) element; |
| if (data.isSignedDetermined()) { |
| return WorkbenchImages |
| .getImage(data.isSigned() ? IWorkbenchGraphicConstants.IMG_OBJ_SIGNED_YES |
| : IWorkbenchGraphicConstants.IMG_OBJ_SIGNED_NO); |
| } |
| |
| synchronized (resolveQueue) { |
| resolveQueue.add(data); |
| } |
| resolveJob.schedule(); |
| |
| return WorkbenchImages |
| .getImage(IWorkbenchGraphicConstants.IMG_OBJ_SIGNED_UNKNOWN); |
| } |
| } |
| return null; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see |
| * org.eclipse.jface.viewers.ITableLabelProvider#getColumnText(java. |
| * lang.Object, int) |
| */ |
| public String getColumnText(Object element, int columnIndex) { |
| if (element instanceof AboutBundleData) { |
| AboutBundleData data = (AboutBundleData) element; |
| switch (columnIndex) { |
| case 1: |
| return data.getProviderName(); |
| case 2: |
| return data.getName(); |
| case 3: |
| return data.getVersion(); |
| case 4: |
| return data.getId(); |
| } |
| } |
| return ""; //$NON-NLS-1$ |
| } |
| } |
| |
| // This id is used when the page is created inside its own dialog |
| private static final String ID = "productInfo.plugins"; //$NON-NLS-1$ |
| |
| /** |
| * Table height in dialog units (value 200). |
| */ |
| private static final int TABLE_HEIGHT = 200; |
| |
| private final static int MORE_ID = IDialogConstants.CLIENT_ID + 1; |
| private final static int SIGNING_ID = MORE_ID + 1; |
| private final static int COLUMNS_ID = MORE_ID + 2; |
| |
| private static final IPath baseNLPath = new Path("$nl$"); //$NON-NLS-1$ |
| |
| private static final String PLUGININFO = "about.html"; //$NON-NLS-1$ |
| |
| private static final int PLUGIN_NAME_COLUMN_INDEX = 2; |
| |
| private static final int SIGNING_AREA_PERCENTAGE = 30; |
| |
| private TableViewer vendorInfo; |
| |
| private Button moreInfo, signingInfo; |
| |
| private String message; |
| |
| private String helpContextId = IWorkbenchHelpContextIds.ABOUT_PLUGINS_DIALOG; |
| |
| private String columnTitles[] = { |
| WorkbenchMessages.AboutPluginsDialog_signed, |
| WorkbenchMessages.AboutPluginsDialog_provider, |
| WorkbenchMessages.AboutPluginsDialog_pluginName, |
| WorkbenchMessages.AboutPluginsDialog_version, |
| WorkbenchMessages.AboutPluginsDialog_pluginId, |
| |
| }; |
| private Bundle[] bundles = WorkbenchPlugin.getDefault().getBundles(); |
| private AboutBundleData[] bundleInfos; |
| private SashForm sashForm; |
| private BundleSigningInfo signingArea; |
| |
| public void setBundles(Bundle[] bundles) { |
| this.bundles = bundles; |
| } |
| |
| public void setHelpContextId(String id) { |
| this.helpContextId = id; |
| } |
| |
| public void setMessage(String message) { |
| this.message = message; |
| } |
| |
| /** |
| */ |
| protected void handleSigningInfoPressed() { |
| if (signingArea == null) { |
| signingArea = new BundleSigningInfo(); |
| AboutBundleData bundleInfo = (AboutBundleData) ((IStructuredSelection) vendorInfo |
| .getSelection()).getFirstElement(); |
| signingArea.setData(bundleInfo); |
| |
| signingArea.createContents(sashForm); |
| sashForm.setWeights(new int[] { 100 - SIGNING_AREA_PERCENTAGE, |
| SIGNING_AREA_PERCENTAGE }); |
| signingInfo |
| .setText(WorkbenchMessages.AboutPluginsDialog_signingInfo_hide); |
| |
| } else { |
| // hide |
| signingInfo |
| .setText(WorkbenchMessages.AboutPluginsDialog_signingInfo_show); |
| signingArea.dispose(); |
| signingArea = null; |
| sashForm.setWeights(new int[] { 100 }); |
| } |
| } |
| |
| public void createPageButtons(Composite parent) { |
| |
| moreInfo = createButton(parent, MORE_ID, |
| WorkbenchMessages.AboutPluginsDialog_moreInfo); |
| moreInfo.setEnabled(false); |
| |
| signingInfo = createButton(parent, SIGNING_ID, |
| WorkbenchMessages.AboutPluginsDialog_signingInfo_show); |
| signingInfo.setEnabled(false); |
| |
| createButton(parent, COLUMNS_ID, |
| WorkbenchMessages.AboutPluginsDialog_columns); |
| } |
| |
| public void createControl(Composite parent) { |
| initializeDialogUnits(parent); |
| |
| // create a data object for each bundle, remove duplicates, and include |
| // only resolved bundles (bug 65548) |
| Map map = new HashMap(); |
| for (int i = 0; i < bundles.length; ++i) { |
| AboutBundleData data = new AboutBundleData(bundles[i]); |
| if (BundleUtility.isReady(data.getState()) |
| && !map.containsKey(data.getVersionedId())) { |
| map.put(data.getVersionedId(), data); |
| } |
| } |
| bundleInfos = (AboutBundleData[]) map.values().toArray( |
| new AboutBundleData[0]); |
| WorkbenchPlugin.class.getSigners(); |
| |
| sashForm = new SashForm(parent, SWT.HORIZONTAL | SWT.SMOOTH); |
| FillLayout layout = new FillLayout(); |
| sashForm.setLayout(layout); |
| layout.marginHeight = 0; |
| layout.marginWidth = 0; |
| GridData data = new GridData(GridData.FILL_BOTH); |
| sashForm.setLayoutData(data); |
| |
| Composite outer = createOuterComposite(sashForm); |
| PlatformUI.getWorkbench().getHelpSystem().setHelp(outer, helpContextId); |
| |
| if (message != null) { |
| Label label = new Label(outer, SWT.NONE); |
| label.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); |
| label.setFont(parent.getFont()); |
| label.setText(message); |
| } |
| |
| createTable(outer); |
| setControl(outer); |
| } |
| |
| /** |
| * Create the table part of the dialog. |
| * |
| * @param parent |
| * the parent composite to contain the dialog area |
| */ |
| protected void createTable(Composite parent) { |
| vendorInfo = new TableViewer(parent, SWT.H_SCROLL | SWT.V_SCROLL |
| | SWT.SINGLE | SWT.FULL_SELECTION | SWT.BORDER); |
| vendorInfo.setUseHashlookup(true); |
| vendorInfo.getTable().setHeaderVisible(true); |
| vendorInfo.getTable().setLinesVisible(true); |
| vendorInfo.getTable().setFont(parent.getFont()); |
| vendorInfo.addSelectionChangedListener(new ISelectionChangedListener() { |
| |
| public void selectionChanged(SelectionChangedEvent event) { |
| checkEnablement(); |
| } |
| }); |
| |
| final TableComparator comparator = new TableComparator(); |
| vendorInfo.setComparator(comparator); |
| int[] columnWidths = { |
| convertHorizontalDLUsToPixels(30), // signature |
| convertHorizontalDLUsToPixels(120), |
| convertHorizontalDLUsToPixels(120), |
| convertHorizontalDLUsToPixels(70), |
| convertHorizontalDLUsToPixels(130), }; |
| |
| // create table headers |
| for (int i = 0; i < columnTitles.length; i++) { |
| TableColumn column = new TableColumn(vendorInfo.getTable(), |
| SWT.NULL); |
| if (i == PLUGIN_NAME_COLUMN_INDEX) { // prime initial sorting |
| updateTableSorting(i); |
| } |
| column.setWidth(columnWidths[i]); |
| column.setText(columnTitles[i]); |
| final int columnIndex = i; |
| column.addSelectionListener(new SelectionAdapter() { |
| public void widgetSelected(SelectionEvent e) { |
| updateTableSorting(columnIndex); |
| } |
| }); |
| } |
| |
| vendorInfo.setContentProvider(new ArrayContentProvider()); |
| vendorInfo.setLabelProvider(new BundleTableLabelProvider()); |
| |
| GridData gridData = new GridData(GridData.FILL, GridData.FILL, true, |
| true); |
| gridData.heightHint = convertVerticalDLUsToPixels(TABLE_HEIGHT); |
| vendorInfo.getTable().setLayoutData(gridData); |
| |
| vendorInfo.setInput(bundleInfos); |
| } |
| |
| /** |
| * Update the sort information on both the comparator and the table. |
| * |
| * @param columnIndex |
| * the index to sort by |
| * @since 3.4 |
| */ |
| private void updateTableSorting(final int columnIndex) { |
| TableComparator comparator = (TableComparator) vendorInfo |
| .getComparator(); |
| // toggle direction if it's the same column |
| if (columnIndex == comparator.getSortColumn()) { |
| comparator.setAscending(!comparator.isAscending()); |
| } |
| comparator.setSortColumn(columnIndex); |
| vendorInfo.getTable().setSortColumn( |
| vendorInfo.getTable().getColumn(columnIndex)); |
| vendorInfo.getTable().setSortDirection( |
| comparator.isAscending() ? SWT.UP : SWT.DOWN); |
| vendorInfo.refresh(false); |
| } |
| |
| /** |
| * Return an url to the plugin's about.html file (what is shown when |
| * "More info" is pressed) or null if no such file exists. The method does |
| * nl lookup to allow for i18n. |
| * |
| * @param bundleInfo |
| * the bundle info |
| * @param makeLocal |
| * whether to make the about content local |
| * @return the url or <code>null</code> |
| */ |
| private URL getMoreInfoURL(AboutBundleData bundleInfo, boolean makeLocal) { |
| Bundle bundle = Platform.getBundle(bundleInfo.getId()); |
| if (bundle == null) { |
| return null; |
| } |
| |
| URL aboutUrl = Platform.find(bundle, baseNLPath.append(PLUGININFO), |
| null); |
| if (!makeLocal) { |
| return aboutUrl; |
| } |
| if (aboutUrl != null) { |
| try { |
| URL result = Platform.asLocalURL(aboutUrl); |
| try { |
| // Make local all content in the "about" directory. |
| // This is needed to handle jar'ed plug-ins. |
| // See Bug 88240 [About] About dialog needs to extract |
| // subdirs. |
| URL about = new URL(aboutUrl, "about_files"); //$NON-NLS-1$ |
| if (about != null) { |
| Platform.asLocalURL(about); |
| } |
| } catch (IOException e) { |
| // skip the about dir if its not found or there are other |
| // problems. |
| } |
| return result; |
| } catch (IOException e) { |
| // do nothing |
| } |
| } |
| return null; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.internal.about.ProductInfoPage#getId() |
| */ |
| String getId() { |
| return ID; |
| } |
| |
| private void checkEnablement() { |
| // enable if there is an item selected and that |
| // item has additional info |
| IStructuredSelection selection = (IStructuredSelection) vendorInfo |
| .getSelection(); |
| if (selection.getFirstElement() instanceof AboutBundleData) { |
| AboutBundleData selected = (AboutBundleData) selection |
| .getFirstElement(); |
| moreInfo.setEnabled(selectionHasInfo(selected)); |
| signingInfo.setEnabled(true); |
| if (signingArea != null) { |
| signingArea.setData(selected); |
| } |
| } else { |
| signingInfo.setEnabled(false); |
| moreInfo.setEnabled(false); |
| } |
| } |
| |
| protected void buttonPressed(int buttonId) { |
| switch (buttonId) { |
| case MORE_ID: |
| handleMoreInfoPressed(); |
| break; |
| case SIGNING_ID: |
| handleSigningInfoPressed(); |
| break; |
| case COLUMNS_ID: |
| handleColumnsPressed(); |
| break; |
| default: |
| super.buttonPressed(buttonId); |
| break; |
| } |
| } |
| |
| /** |
| * Check if the currently selected plugin has additional information to |
| * show. |
| * @param bundleInfo |
| * |
| * @return true if the selected plugin has additional info available to |
| * display |
| */ |
| private boolean selectionHasInfo(AboutBundleData bundleInfo) { |
| |
| URL infoURL = getMoreInfoURL(bundleInfo, false); |
| |
| // only report ini problems if the -debug command line argument is used |
| if (infoURL == null && WorkbenchPlugin.DEBUG) { |
| WorkbenchPlugin.log("Problem reading plugin info for: " //$NON-NLS-1$ |
| + bundleInfo.getName()); |
| } |
| |
| return infoURL != null; |
| } |
| |
| /** |
| * The More Info button was pressed. Open a browser showing the license |
| * information for the selected bundle or an error dialog if the browser |
| * cannot be opened. |
| */ |
| protected void handleMoreInfoPressed() { |
| if (vendorInfo == null) { |
| return; |
| } |
| |
| if (vendorInfo.getSelection().isEmpty()) |
| return; |
| |
| AboutBundleData bundleInfo = (AboutBundleData) ((IStructuredSelection) vendorInfo |
| .getSelection()).getFirstElement(); |
| |
| if (!AboutUtils.openBrowser(getShell(), |
| getMoreInfoURL(bundleInfo, true))) { |
| String message = NLS.bind( |
| WorkbenchMessages.AboutPluginsDialog_unableToOpenFile, |
| PLUGININFO, bundleInfo.getId()); |
| StatusUtil.handleStatus( |
| WorkbenchMessages.AboutPluginsDialog_errorTitle |
| + ": " + message, StatusManager.SHOW, getShell()); //$NON-NLS-1$ |
| } |
| } |
| |
| /** |
| * |
| */ |
| private void handleColumnsPressed() { |
| ConfigureColumns.forTable(vendorInfo.getTable(), this); |
| } |
| } |
| |
| class TableComparator extends ViewerComparator { |
| |
| private int sortColumn = 0; |
| private boolean ascending = true; |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see |
| * org.eclipse.jface.viewers.ViewerComparator#compare(org.eclipse.jface. |
| * viewers.Viewer, java.lang.Object, java.lang.Object) |
| */ |
| public int compare(Viewer viewer, Object e1, Object e2) { |
| if (sortColumn == 0 && e1 instanceof AboutBundleData |
| && e2 instanceof AboutBundleData) { |
| AboutBundleData d1 = (AboutBundleData) e1; |
| AboutBundleData d2 = (AboutBundleData) e2; |
| int diff = getSignedSortValue(d1) - getSignedSortValue(d2); |
| return ascending ? diff : -diff; |
| } |
| if (viewer instanceof TableViewer) { |
| TableViewer tableViewer = (TableViewer) viewer; |
| IBaseLabelProvider baseLabel = tableViewer.getLabelProvider(); |
| if (baseLabel instanceof ITableLabelProvider) { |
| ITableLabelProvider tableProvider = (ITableLabelProvider) baseLabel; |
| String e1p = tableProvider.getColumnText(e1, sortColumn); |
| String e2p = tableProvider.getColumnText(e2, sortColumn); |
| int result = getComparator().compare(e1p, e2p); |
| return ascending ? result : (-1) * result; |
| } |
| } |
| |
| return super.compare(viewer, e1, e2); |
| } |
| |
| /** |
| * @param data |
| * @return a sort value depending on the signed state |
| */ |
| private int getSignedSortValue(AboutBundleData data) { |
| if (!data.isSignedDetermined()) { |
| return 0; |
| } else if (data.isSigned()) { |
| return 1; |
| } else { |
| return -1; |
| } |
| } |
| |
| /** |
| * @return Returns the sortColumn. |
| */ |
| public int getSortColumn() { |
| return sortColumn; |
| } |
| |
| /** |
| * @param sortColumn |
| * The sortColumn to set. |
| */ |
| public void setSortColumn(int sortColumn) { |
| this.sortColumn = sortColumn; |
| } |
| |
| /** |
| * @return Returns the ascending. |
| */ |
| public boolean isAscending() { |
| return ascending; |
| } |
| |
| /** |
| * @param ascending |
| * The ascending to set. |
| */ |
| public void setAscending(boolean ascending) { |
| this.ascending = ascending; |
| } |
| } |