| /******************************************************************************* |
| * Copyright (c) 2010 BSI Business Systems Integration AG. |
| * 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: |
| * BSI Business Systems Integration AG - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.scout.sdk.ui.internal.view.properties.presenter.single; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.jface.action.IMenuListener; |
| import org.eclipse.jface.action.IMenuManager; |
| import org.eclipse.jface.action.MenuManager; |
| import org.eclipse.jface.viewers.ILabelProvider; |
| import org.eclipse.scout.commons.CompareUtility; |
| import org.eclipse.scout.commons.OptimisticLock; |
| import org.eclipse.scout.nls.sdk.model.INlsEntry; |
| import org.eclipse.scout.nls.sdk.model.workspace.project.INlsProject; |
| import org.eclipse.scout.nls.sdk.ui.action.NlsEntryModifyAction; |
| import org.eclipse.scout.sdk.jobs.OperationJob; |
| import org.eclipse.scout.sdk.ui.fields.proposal.ContentProposalEvent; |
| import org.eclipse.scout.sdk.ui.fields.proposal.ILazyProposalContentProvider; |
| import org.eclipse.scout.sdk.ui.fields.proposal.IProposalAdapterListener; |
| import org.eclipse.scout.sdk.ui.fields.proposal.IProposalSelectionHandler; |
| import org.eclipse.scout.sdk.ui.fields.proposal.ProposalTextField; |
| import org.eclipse.scout.sdk.ui.fields.proposal.nls.NlsProposalDescriptionProvider; |
| import org.eclipse.scout.sdk.ui.fields.proposal.nls.NlsTextContentProvider; |
| import org.eclipse.scout.sdk.ui.fields.proposal.nls.NlsTextLabelProvider; |
| import org.eclipse.scout.sdk.ui.fields.proposal.nls.NlsTextSelectionHandler; |
| import org.eclipse.scout.sdk.ui.internal.ScoutSdkUi; |
| import org.eclipse.scout.sdk.ui.view.properties.PropertyViewFormToolkit; |
| import org.eclipse.scout.sdk.ui.view.properties.presenter.single.AbstractMethodPresenter; |
| import org.eclipse.scout.sdk.util.log.ScoutStatus; |
| import org.eclipse.scout.sdk.workspace.type.ScoutTypeUtility; |
| import org.eclipse.scout.sdk.workspace.type.config.ConfigPropertyUpdateOperation; |
| import org.eclipse.scout.sdk.workspace.type.config.ConfigurationMethod; |
| import org.eclipse.scout.sdk.workspace.type.config.PropertyMethodSourceUtility; |
| import org.eclipse.scout.sdk.workspace.type.config.parser.NlsPropertySourceParser; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Menu; |
| |
| /** |
| * <h3>NlsTextPresenter</h3> ... |
| */ |
| public class NlsTextPresenter extends AbstractMethodPresenter { |
| |
| private ProposalTextField m_proposalField; |
| private INlsEntry m_currentSourceTuple; |
| private INlsProject m_nlsProject; |
| private final OptimisticLock m_storeValueLock; |
| private NlsPropertySourceParser m_parser; |
| |
| public NlsTextPresenter(PropertyViewFormToolkit toolkit, Composite parent) { |
| super(toolkit, parent); |
| m_storeValueLock = new OptimisticLock(); |
| } |
| |
| @Override |
| protected ProposalTextField createContent(Composite container) { |
| m_proposalField = new ProposalTextField(container, ProposalTextField.STYLE_NO_LABEL); |
| toolkitAdapt(m_proposalField); |
| m_proposalField.addProposalAdapterListener(new IProposalAdapterListener() { |
| @Override |
| public void proposalAccepted(ContentProposalEvent event) { |
| handleProposalAccepted(event); |
| } |
| }); |
| m_proposalField.setEnabled(false); |
| m_proposalField.setProposalDescriptionProvider(new NlsProposalDescriptionProvider()); |
| |
| // context menu |
| MenuManager contextMenuManager = new MenuManager(); |
| contextMenuManager.setRemoveAllWhenShown(true); |
| contextMenuManager.addMenuListener(new IMenuListener() { |
| |
| @Override |
| public void menuAboutToShow(IMenuManager manager) { |
| fillContextMenu(manager); |
| } |
| |
| }); |
| Menu menu = contextMenuManager.createContextMenu(m_proposalField); |
| m_proposalField.setMenu(menu); |
| |
| m_proposalField.setMenu(menu); |
| return m_proposalField; |
| } |
| |
| protected void fillContextMenu(IMenuManager manager) { |
| if (m_currentSourceTuple != null) { |
| manager.add(new NlsEntryModifyAction(m_currentSourceTuple, getNlsProject()) { |
| @Override |
| protected void execute(IProgressMonitor monitor) { |
| super.execute(monitor); |
| m_proposalField.getDisplay().asyncExec(new Runnable() { |
| |
| @Override |
| public void run() { |
| m_proposalField.acceptProposal(getEntry()); |
| } |
| }); |
| } |
| }); |
| } |
| } |
| |
| @Override |
| public void setEnabled(boolean enabled) { |
| if (!isDisposed()) { |
| m_proposalField.setEnabled(enabled && getNlsProject() != null); |
| } |
| super.setEnabled(enabled); |
| } |
| |
| @Override |
| public boolean isEnabled() { |
| if (!isDisposed()) { |
| return m_proposalField.getEnabled() && super.isEnabled(); |
| } |
| return false; |
| } |
| |
| @Override |
| protected void init(ConfigurationMethod method) throws CoreException { |
| if (method == null) return; |
| super.init(method); |
| INlsProject newNlsProject = resolveNlsProject(method); |
| if (!CompareUtility.equals(newNlsProject, m_nlsProject)) { |
| m_nlsProject = newNlsProject; |
| m_parser = new NlsPropertySourceParser(m_nlsProject); |
| m_proposalField.setLabelProvider(createLabelProvider(getNlsProject())); |
| m_proposalField.setContentProvider(createContentProvider(getNlsProject())); |
| m_proposalField.setSelectionHandler(createSelectionHandler(getNlsProject())); |
| } |
| |
| if (getNlsProject() != null) { |
| try { |
| m_storeValueLock.acquire(); |
| m_currentSourceTuple = getParser().parseSourceValue(getMethod().computeValue(), getMethod().peekMethod(), getMethod().getSuperTypeHierarchy()); |
| if (m_currentSourceTuple == null) { |
| String simpleText = PropertyMethodSourceUtility.parseReturnParameterString(getMethod().computeValue(), getMethod().peekMethod(), getMethod().getSuperTypeHierarchy()); |
| if (simpleText != null) { |
| throw new CoreException(new ScoutStatus(Status.INFO, "Text '" + simpleText + "'.", null)); |
| } |
| } |
| m_proposalField.acceptProposal(m_currentSourceTuple); |
| } |
| finally { |
| m_storeValueLock.release(); |
| } |
| } |
| m_proposalField.setEnabled(getNlsProject() != null); |
| } |
| |
| /** |
| * might be overridden to provide another nls project |
| * |
| * @param method |
| * not null |
| * @return an nls project |
| */ |
| protected INlsProject resolveNlsProject(ConfigurationMethod method) { |
| return ScoutTypeUtility.findNlsProject(method.getType()); |
| } |
| |
| public NlsPropertySourceParser getParser() { |
| return m_parser; |
| } |
| |
| /** |
| * might be overridden to provide an own implementation of a content provider |
| * |
| * @param project |
| * might be null |
| * @return a content provider or null |
| */ |
| protected ILazyProposalContentProvider createContentProvider(INlsProject nlsProject) { |
| if (nlsProject != null) { |
| return new NlsTextContentProvider((NlsTextLabelProvider) getProposalField().getLabelProvider()); |
| } |
| return null; |
| } |
| |
| /** |
| * might be overridden to provide an own implementation of a label provider |
| * |
| * @param project |
| * might be null |
| * @return a label provider or null |
| */ |
| protected ILabelProvider createLabelProvider(INlsProject project) { |
| if (project != null) { |
| return new NlsTextLabelProvider(project); |
| } |
| return null; |
| } |
| |
| /** |
| * might be overridden to provide an own implementation of a selection handler |
| * |
| * @param project |
| * might be null |
| * @return a selection handler or null |
| */ |
| protected IProposalSelectionHandler createSelectionHandler(INlsProject project) { |
| if (project != null) { |
| return new NlsTextSelectionHandler(project); |
| } |
| return null; |
| } |
| |
| protected ProposalTextField getProposalField() { |
| return m_proposalField; |
| } |
| |
| /** |
| * @param event |
| */ |
| protected void handleProposalAccepted(ContentProposalEvent event) { |
| try { |
| Object proposal = event.proposal; |
| if (proposal == null) { |
| m_proposalField.setText(""); |
| storeNlsText(null); |
| } |
| else { |
| storeNlsText((INlsEntry) proposal); |
| } |
| } |
| catch (CoreException e) { |
| ScoutSdkUi.logError(e); |
| } |
| } |
| |
| protected synchronized void storeNlsText(final INlsEntry proposal) throws CoreException { |
| try { |
| if (m_storeValueLock.acquire()) { |
| ConfigPropertyUpdateOperation<INlsEntry> updateOp = new ConfigPropertyUpdateOperation<INlsEntry>(getMethod(), getParser()); |
| updateOp.setValue(proposal); |
| OperationJob job = new OperationJob(updateOp); |
| job.setDebug(true); |
| job.schedule(); |
| } |
| } |
| catch (Exception e) { |
| ScoutSdkUi.logError("could not parse default value of method '" + getMethod().getMethodName() + "' in type '" + getMethod().getType().getFullyQualifiedName() + "'.", e); |
| } |
| finally { |
| m_storeValueLock.release(); |
| } |
| } |
| |
| public INlsProject getNlsProject() { |
| return m_nlsProject; |
| } |
| } |