Java tutorial
/* * JBoss, Home of Professional Open Source * Copyright 2005, JBoss Inc., and individual contributors as indicated * by the @authors tag. See the copyright.txt in the distribution for a * full listing of individual contributors. * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this software; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ package org.hibernate.eclipse.criteriaeditor; import java.util.HashSet; import java.util.Iterator; import java.util.ResourceBundle; import java.util.Set; import org.eclipse.core.resources.IStorage; import org.eclipse.core.runtime.CoreException; import org.eclipse.jdt.core.IJavaProject; import org.eclipse.jdt.core.JavaModelException; import org.eclipse.jdt.core.eval.IEvaluationContext; import org.eclipse.jdt.ui.PreferenceConstants; import org.eclipse.jdt.ui.text.java.CompletionProposalCollector; import org.eclipse.jface.action.Action; import org.eclipse.jface.preference.IPreferenceStore; import org.eclipse.jface.text.IDocument; import org.eclipse.jface.text.ITextListener; import org.eclipse.jface.text.TextEvent; import org.eclipse.jface.text.source.ISourceViewer; import org.eclipse.osgi.util.NLS; import org.eclipse.swt.custom.StyledText; import org.eclipse.swt.events.KeyAdapter; import org.eclipse.swt.events.KeyEvent; import org.eclipse.swt.events.MouseAdapter; import org.eclipse.swt.events.MouseEvent; 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.ui.IEditorInput; import org.eclipse.ui.IWorkbenchPage; import org.eclipse.ui.PartInitException; import org.eclipse.ui.editors.text.EditorsUI; import org.eclipse.ui.texteditor.ChainedPreferenceStore; import org.eclipse.ui.texteditor.IDocumentProvider; import org.eclipse.ui.texteditor.ITextEditorActionDefinitionIds; import org.eclipse.ui.texteditor.TextOperationAction; import org.hibernate.console.ConsoleConfiguration; import org.hibernate.console.KnownConfigurations; import org.hibernate.console.QueryPage; import org.hibernate.eclipse.console.AbstractQueryEditor; import org.hibernate.eclipse.console.HibernateConsoleMessages; import org.hibernate.eclipse.console.HibernateConsolePlugin; import org.hibernate.eclipse.console.views.QueryPageTabView; import org.jboss.tools.hibernate.runtime.spi.IConfiguration; import org.jboss.tools.hibernate.runtime.spi.IPersistentClass; public class CriteriaEditor extends AbstractQueryEditor { private CriteriaEditorDocumentSetupParticipant docSetupParticipant; public CriteriaEditor() { super(); //setDocumentProvider(JDIDebugUIPlugin.getDefault().getSnippetDocumentProvider()); // TODO: setup document // JavaTextTools tools= JDIDebugUIPlugin.getDefault().getJavaTextTools(); //tools.setupJavaDocumentPartitioner(document, IJavaPartitions.JAVA_PARTITIONING); IPreferenceStore store = new ChainedPreferenceStore(new IPreferenceStore[] { PreferenceConstants.getPreferenceStore(), EditorsUI.getPreferenceStore() }); setSourceViewerConfiguration( new JavaViewerConfiguration(HibernateConsolePlugin.getDefault().getJavaTextTools(), store, this)); setPreferenceStore(store); setEditorContextMenuId("#CriteraEditorContext"); //$NON-NLS-1$ setRulerContextMenuId("#CriteraRulerContext"); //$NON-NLS-1$ } protected void createActions() { super.createActions(); Action action = new TextOperationAction(getResourceBundle(), "HQLEditor_ContentAssistProposal_", this, //$NON-NLS-1$ ISourceViewer.CONTENTASSIST_PROPOSALS); action.setActionDefinitionId(ITextEditorActionDefinitionIds.CONTENT_ASSIST_PROPOSALS); setAction("ContentAssistProposal", action);//$NON-NLS-1$ } private ResourceBundle getResourceBundle() { return ResourceBundle.getBundle(HibernateConsoleMessages.BUNDLE_NAME); } protected void doSetInput(IEditorInput input) throws CoreException { super.doSetInput(input); /* Make sure the document partitioner is set up. The document setup * participant sets up document partitioning, which is used for text * colorizing and other text features. */ IDocumentProvider docProvider = this.getDocumentProvider(); if (docProvider != null) { IDocument doc = docProvider.getDocument(input); if (doc != null) { CriteriaEditorDocumentSetupParticipant docSetupParticipant = getDocumentSetupParticipant(); docSetupParticipant.setup(doc); } } } private CriteriaEditorDocumentSetupParticipant getDocumentSetupParticipant() { if (docSetupParticipant == null) { docSetupParticipant = new CriteriaEditorDocumentSetupParticipant(); } return docSetupParticipant; } protected QueryPage queryPage = null; public void executeQuery(ConsoleConfiguration cfg) { final IWorkbenchPage activePage = getEditorSite().getPage(); try { activePage.showView(QueryPageTabView.ID); } catch (PartInitException e) { // ignore } if (queryPage == null || !getPinToOneResTab()) { queryPage = cfg.executeBSHQuery(getQueryString(), getQueryInputModel().getCopyForQuery()); } else { KnownConfigurations.getInstance().getQueryPageModel().remove(queryPage); queryPage = cfg.executeBSHQuery(getQueryString(), getQueryInputModel().getCopyForQuery()); } } protected IEvaluationContext getEvaluationContext(IJavaProject project) { IEvaluationContext evalCtx = null; if (project != null) { evalCtx = project.newEvaluationContext(); } if (evalCtx != null) { evalCtx.setImports(getImports()); } return evalCtx; } private String[] getImports() { final ConsoleConfiguration consoleConfiguration = getConsoleConfiguration(); if (!consoleConfiguration.hasConfiguration()) { try { consoleConfiguration.build(); consoleConfiguration.buildMappings(); } catch (Exception e) { String mess = NLS.bind(HibernateConsoleMessages.CompletionHelper_error_could_not_build_cc, consoleConfiguration.getName()); HibernateConsolePlugin.getDefault().logErrorMessage(mess, e); } } Set<String> imports = new HashSet<String>(); IConfiguration configuration = consoleConfiguration.getConfiguration(); if (configuration != null) { Iterator<IPersistentClass> classMappings = configuration.getClassMappings(); while (classMappings.hasNext()) { IPersistentClass clazz = classMappings.next(); String className = clazz.getClassName(); if (className != null) { imports.add(className); } } } imports.add("org.hibernate.*"); //$NON-NLS-1$ imports.add("org.hibernate.criterion.*"); //$NON-NLS-1$ return imports.toArray(new String[imports.size()]); } public void codeComplete(String prefix, CompletionProposalCollector collector, int position, IJavaProject project) throws JavaModelException { String code = getSourceViewer().getDocument().get(); code = prefix + code; IEvaluationContext e = getEvaluationContext(project); if (e != null) { e.codeComplete(code, prefix.length() + position, collector); } } public void showEditorInput(IEditorInput editorInput) { if (!(getEditorInput() instanceof CriteriaEditorInput)) { super.showEditorInput(editorInput); return; } CriteriaEditorInput hei = (CriteriaEditorInput) getEditorInput(); super.showEditorInput(editorInput); IStorage storage = ((CriteriaEditorInput) editorInput).getStorage(); if (storage instanceof CriteriaEditorStorage) { CriteriaEditorStorage sqlEditorStorage = (CriteriaEditorStorage) storage; IDocument document = getDocumentProvider().getDocument(hei); if (document.get().compareTo(sqlEditorStorage.getContentsString()) != 0) { document.set(sqlEditorStorage.getContentsString()); } } } public void createPartControl(Composite parent) { parent.setLayout(new GridLayout(1, false)); createToolbar(parent); super.createPartControl(parent); if (getSourceViewer() != null) { getSourceViewer().addTextListener(new ITextListener() { public void textChanged(TextEvent event) { updateExecButton(); } }); } Control control = parent.getChildren()[1]; control.setLayoutData(new GridData(GridData.FILL_BOTH)); // the following is needed to make sure the editor area gets focus when editing after query execution // TODO: find a better way since this is triggered on every mouse click and key stroke in the editor area // one more remark: without this code -> JBIDE-4446 StyledText textWidget = getSourceViewer().getTextWidget(); textWidget.addKeyListener(new KeyAdapter() { public void keyPressed(KeyEvent e) { getSite().getPage().activate(CriteriaEditor.this); } }); textWidget.addMouseListener(new MouseAdapter() { public void mouseDown(MouseEvent e) { getSite().getPage().activate(CriteriaEditor.this); } }); initTextAndToolTip(HibernateConsoleMessages.ExecuteQueryAction_run_criteria); } @Override protected String getConnectedImageFilePath() { return "icons/images/criteria_editor_connect.gif"; //$NON-NLS-1$ } @Override protected String getSaveAsFileExtension() { return "*.crit"; //$NON-NLS-1$ } }