| /******************************************************************************* | |
| * Copyright (c) 2008, 2020 SAP AG and IBM Corporation. | |
| * 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: | |
| * SAP AG - initial API and implementation | |
| * Andrew Johnson (IBM Corporation) - MAT Calcite | |
| *******************************************************************************/ | |
| package org.eclipse.mat.ui.internal.panes; | |
| import java.net.MalformedURLException; | |
| import java.util.ArrayList; | |
| import java.util.Collections; | |
| import java.util.List; | |
| import org.eclipse.jface.action.IToolBarManager; | |
| import org.eclipse.jface.viewers.ISelection; | |
| import org.eclipse.jface.viewers.ISelectionChangedListener; | |
| import org.eclipse.jface.viewers.ISelectionProvider; | |
| import org.eclipse.jface.viewers.IStructuredSelection; | |
| import org.eclipse.jface.viewers.SelectionChangedEvent; | |
| import org.eclipse.jface.viewers.StructuredSelection; | |
| import org.eclipse.mat.SnapshotException; | |
| import org.eclipse.mat.query.ContextProvider; | |
| import org.eclipse.mat.query.IContextObject; | |
| import org.eclipse.mat.query.registry.ArgumentSet; | |
| import org.eclipse.mat.query.registry.CommandLine; | |
| import org.eclipse.mat.query.registry.QueryObjectLink; | |
| import org.eclipse.mat.query.registry.QueryResult; | |
| import org.eclipse.mat.query.results.DisplayFileResult; | |
| import org.eclipse.mat.query.results.TextResult; | |
| import org.eclipse.mat.ui.MemoryAnalyserPlugin; | |
| import org.eclipse.mat.ui.Messages; | |
| import org.eclipse.mat.ui.QueryExecution; | |
| import org.eclipse.mat.ui.actions.OpenHelpPageAction; | |
| import org.eclipse.mat.ui.editor.AbstractEditorPane; | |
| import org.eclipse.mat.ui.util.ErrorHelper; | |
| import org.eclipse.mat.ui.util.PopupMenu; | |
| import org.eclipse.mat.ui.util.QueryContextMenu; | |
| import org.eclipse.mat.util.HTMLUtils; | |
| import org.eclipse.mat.util.MessageUtil; | |
| import org.eclipse.swt.SWT; | |
| import org.eclipse.swt.SWTError; | |
| import org.eclipse.swt.browser.Browser; | |
| import org.eclipse.swt.browser.CloseWindowListener; | |
| import org.eclipse.swt.browser.LocationEvent; | |
| import org.eclipse.swt.browser.LocationListener; | |
| import org.eclipse.swt.browser.OpenWindowListener; | |
| import org.eclipse.swt.browser.VisibilityWindowListener; | |
| import org.eclipse.swt.browser.WindowEvent; | |
| import org.eclipse.swt.graphics.Image; | |
| import org.eclipse.swt.graphics.Point; | |
| import org.eclipse.swt.layout.FillLayout; | |
| import org.eclipse.swt.widgets.Composite; | |
| import org.eclipse.swt.widgets.Display; | |
| import org.eclipse.swt.widgets.Menu; | |
| import org.eclipse.swt.widgets.Shell; | |
| import org.eclipse.swt.widgets.Text; | |
| import org.eclipse.ui.IWorkbenchPart; | |
| import org.eclipse.ui.PlatformUI; | |
| import org.eclipse.ui.actions.ActionFactory; | |
| public class QueryTextResultPane extends AbstractEditorPane implements ISelectionProvider, LocationListener | |
| { | |
| private Browser browser; | |
| private Text text; | |
| private IStructuredSelection selection; | |
| private List<ISelectionChangedListener> listeners = Collections | |
| .synchronizedList(new ArrayList<ISelectionChangedListener>()); | |
| QueryContextMenu contextMenu; | |
| QueryResult queryResult; | |
| private Menu menu; | |
| static final int BROWSER_STYLE = SWT.NONE; | |
| public void createPartControl(Composite parent) | |
| { | |
| final Composite top = new Composite(parent, SWT.NONE); | |
| top.setLayout(new FillLayout(SWT.VERTICAL)); | |
| try | |
| { | |
| browser = new Browser(top, BROWSER_STYLE); | |
| browser.addLocationListener(this); | |
| initialize(browser.getDisplay(), browser); | |
| } | |
| catch (SWTError e) | |
| { | |
| Text text1 = new Text(top, SWT.MULTI); | |
| text1.setText(MessageUtil.format(Messages.QueryTextResultPane_FailedBrowser, e.getLocalizedMessage())); | |
| PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, "org.eclipse.mat.ui.help.report"); //$NON-NLS-1$ | |
| text = new Text(top, SWT.MULTI | SWT.READ_ONLY); | |
| ErrorHelper.logThrowableAndShowMessage(e, MessageUtil.format(Messages.QueryTextResultPane_FailedBrowser2, e.getLocalizedMessage())); | |
| } | |
| contextMenu = new QueryContextMenu(this, new ContextProvider((String) null) | |
| { | |
| public IContextObject getContext(Object obj) | |
| { | |
| return (IContextObject) obj; | |
| } | |
| }); | |
| } | |
| /* | |
| * From examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet270.java | |
| */ | |
| /* register WindowEvent listeners */ | |
| void initialize(final Display display, Browser browser) | |
| { | |
| browser.addOpenWindowListener(new OpenWindowListener() { | |
| public void open(WindowEvent event) | |
| { | |
| if (!event.required) return; /* only do it if necessary */ | |
| Shell shell = new Shell(display); | |
| shell.setText(Messages.QueryTextResultPane_BrowserTitle); | |
| shell.setLayout(new FillLayout()); | |
| Browser browser = new Browser(shell, BROWSER_STYLE); | |
| browser.addLocationListener(QueryTextResultPane.this); | |
| initialize(display, browser); | |
| event.browser = browser; | |
| } | |
| }); | |
| browser.addVisibilityWindowListener(new VisibilityWindowListener() { | |
| public void hide(WindowEvent event) | |
| { | |
| Browser browser = (Browser)event.widget; | |
| Shell shell = browser.getShell(); | |
| shell.setVisible(false); | |
| } | |
| public void show(WindowEvent event) | |
| { | |
| Browser browser = (Browser)event.widget; | |
| final Shell shell = browser.getShell(); | |
| if (event.location != null) shell.setLocation(event.location); | |
| if (event.size != null) | |
| { | |
| Point size = event.size; | |
| shell.setSize(shell.computeSize(size.x, size.y)); | |
| } | |
| shell.open(); | |
| } | |
| }); | |
| browser.addCloseWindowListener(new CloseWindowListener() { | |
| public void close(WindowEvent event) | |
| { | |
| Browser browser = (Browser)event.widget; | |
| Shell shell = browser.getShell(); | |
| shell.close(); | |
| } | |
| }); | |
| } | |
| @Override | |
| public void initWithArgument(Object argument) | |
| { | |
| if (!(argument instanceof QueryResult)) | |
| return; | |
| queryResult = (QueryResult) argument; | |
| if (queryResult.getSubject() instanceof TextResult) | |
| { | |
| TextResult textResult = (TextResult) queryResult.getSubject(); | |
| if (textResult.isHtml()) | |
| { | |
| if (browser != null) | |
| browser.setText(textResult.getText()); | |
| else | |
| text.setText(textResult.getText()); | |
| } | |
| else | |
| { | |
| String html = "<pre>" + HTMLUtils.escapeText(textResult.getText()) + "</pre>"; //$NON-NLS-1$//$NON-NLS-2$ | |
| if (browser != null) | |
| browser.setText(html); | |
| else | |
| text.setText(html); | |
| } | |
| } | |
| else if (queryResult.getSubject() instanceof DisplayFileResult) | |
| { | |
| try | |
| { | |
| DisplayFileResult r = (DisplayFileResult) queryResult.getSubject(); | |
| if (browser != null) | |
| browser.setUrl(r.getFile().toURI().toURL().toExternalForm()); | |
| else | |
| text.setText(r.getFile().toURI().toURL().toExternalForm()); | |
| } | |
| catch (MalformedURLException e) | |
| { | |
| ErrorHelper.logThrowableAndShowMessage(e); | |
| } | |
| } | |
| else | |
| { | |
| if (browser != null) | |
| browser.setText(String.valueOf(queryResult.getSubject())); | |
| else | |
| text.setText(String.valueOf(queryResult.getSubject())); | |
| } | |
| firePropertyChange(IWorkbenchPart.PROP_TITLE); | |
| } | |
| @Override | |
| public void contributeToToolBar(IToolBarManager manager) | |
| { | |
| if (queryResult.getQuery() != null && queryResult.getQuery().getHelpUrl() != null) | |
| manager.appendToGroup("help", new OpenHelpPageAction(queryResult.getQuery().getHelpUrl())); //$NON-NLS-1$ | |
| super.contributeToToolBar(manager); | |
| } | |
| @Override | |
| public void setFocus() | |
| { | |
| // unregister the old global action handler (handles trees and tables) | |
| // to be able to use Ctrl-C to copy text | |
| site.getActionBars().setGlobalActionHandler(ActionFactory.COPY.getId(), null); | |
| site.getActionBars().updateActionBars(); | |
| if (browser != null) | |
| browser.setFocus(); | |
| else | |
| text.setFocus(); | |
| } | |
| public ISelection getSelection() | |
| { | |
| return selection != null ? selection : StructuredSelection.EMPTY; | |
| } | |
| public void changing(LocationEvent event) | |
| { | |
| QueryObjectLink url = QueryObjectLink.parse(event.location); | |
| if (url == null) | |
| return; | |
| switch (url.getType()) | |
| { | |
| case OBJECT: | |
| onObjectLinkEvent(event, url); | |
| break; | |
| case QUERY: | |
| onQueryLinkEvent(event, url); | |
| break; | |
| case DETAIL_RESULT: | |
| break; | |
| } | |
| } | |
| private void onObjectLinkEvent(LocationEvent event, QueryObjectLink url) | |
| { | |
| try | |
| { | |
| final int objectId = getEditor().getQueryContext().mapToObjectId(url.getTarget()); | |
| if (objectId < 0) | |
| return; | |
| this.selection = new StructuredSelection(new IContextObject() | |
| { | |
| public int getObjectId() | |
| { | |
| return objectId; | |
| } | |
| }); | |
| for (ISelectionChangedListener l : new ArrayList<ISelectionChangedListener>(listeners)) | |
| l.selectionChanged(new SelectionChangedEvent(QueryTextResultPane.this, selection)); | |
| PopupMenu m = new PopupMenu(); | |
| contextMenu.addContextActions(m, selection, null); | |
| if (menu != null && !menu.isDisposed()) | |
| menu.dispose(); | |
| menu = m.createMenu(getEditorSite().getActionBars().getStatusLineManager(), browser); | |
| menu.setVisible(true); | |
| } | |
| catch (Exception e) | |
| { | |
| ErrorHelper.logThrowableAndShowMessage(e, MessageUtil.format( | |
| Messages.QueryTextResultPane_UnableToMapAddress, url.getTarget())); | |
| } | |
| event.doit = false; | |
| } | |
| private void onQueryLinkEvent(LocationEvent event, QueryObjectLink url) | |
| { | |
| try | |
| { | |
| ArgumentSet set = CommandLine.parse(getQueryContext(), url.getTarget()); | |
| QueryExecution.execute(getEditor(), this.getPaneState(), null, set, false, true); | |
| } | |
| catch (SnapshotException e) | |
| { | |
| ErrorHelper.logThrowableAndShowMessage(e); | |
| } | |
| event.doit = false; | |
| } | |
| public void changed(LocationEvent event) | |
| {} | |
| public String getTitle() | |
| { | |
| return queryResult != null ? queryResult.getTitle() : Messages.QueryTextResultPane_Text; | |
| } | |
| @Override | |
| public Image getTitleImage() | |
| { | |
| Image image = queryResult != null ? MemoryAnalyserPlugin.getDefault().getImage(queryResult.getQuery()) : null; | |
| return image != null ? image : MemoryAnalyserPlugin.getImage(MemoryAnalyserPlugin.ISharedImages.QUERY); | |
| } | |
| @Override | |
| public String getTitleToolTip() | |
| { | |
| return queryResult != null ? queryResult.getTitleToolTip() : null; | |
| } | |
| public void addSelectionChangedListener(ISelectionChangedListener listener) | |
| { | |
| listeners.add(listener); | |
| } | |
| public void removeSelectionChangedListener(ISelectionChangedListener listener) | |
| { | |
| listeners.remove(listener); | |
| } | |
| public void setSelection(ISelection selection) | |
| { | |
| throw new UnsupportedOperationException(); | |
| } | |
| public <T> T getAdapter(Class<T> adapter) | |
| { | |
| if (adapter.isAssignableFrom(queryResult.getClass())) | |
| { | |
| return (adapter.cast(queryResult)); | |
| } | |
| if (adapter.isAssignableFrom(queryResult.getSubject().getClass())) | |
| { | |
| return (adapter.cast(queryResult.getSubject())); | |
| } | |
| return super.getAdapter(adapter); | |
| } | |
| @Override | |
| public void dispose() | |
| { | |
| super.dispose(); | |
| if (menu != null && !menu.isDisposed()) | |
| menu.dispose(); | |
| } | |
| } |