Java tutorial
/* * ---------------------------------------------------------------------------- * (C) Copyright Testing Technologies, 2003-2012. All Rights Reserved. * * 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: * Testing Technologies - initial API and implementation * * All copies of this program, whether in whole or in part, and whether * modified or not, must display this and all other embedded copyright * and ownership notices in full. * * See the file COPYRIGHT for details of redistribution and use. * * You should have received a copy of the COPYRIGHT file along with * this file; if not, write to the Testing Technologies, * Michaelkirchstr. 17/18, 10179 Berlin, Germany. * * TESTING TECHNOLOGIES DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS * SOFTWARE. IN NO EVENT SHALL TESTING TECHNOLOGIES BE LIABLE FOR ANY * SPECIAL, DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF * THIS SOFTWARE. * * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, * EITHER EXPRESSED OR IMPLIED, INCLUDING ANY KIND OF IMPLIED OR * EXPRESSED WARRANTY OF NON-INFRINGEMENT OR THE IMPLIED WARRANTIES * OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. * ----------------------------------------------------------------------------- */ package com.testingtech.ttworkbench.utp.ttcn3.importer; import java.util.HashSet; import java.util.Set; import org.eclipse.jface.dialogs.IMessageProvider; import org.eclipse.jface.viewers.ArrayContentProvider; import org.eclipse.jface.viewers.DoubleClickEvent; import org.eclipse.jface.viewers.IDoubleClickListener; import org.eclipse.jface.viewers.ISelection; import org.eclipse.jface.viewers.ISelectionChangedListener; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.SelectionChangedEvent; import org.eclipse.jface.viewers.StructuredSelection; import org.eclipse.jface.viewers.TableViewer; import org.eclipse.jface.viewers.ViewerSorter; import org.eclipse.jface.wizard.IWizard; import org.eclipse.jface.wizard.IWizardNode; import org.eclipse.jface.wizard.IWizardPage; import org.eclipse.jface.wizard.Wizard; import org.eclipse.jface.wizard.WizardSelectionPage; import org.eclipse.swt.SWT; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Table; import org.eclipse.ui.IWorkbench; import org.eclipse.ui.IWorkbenchWizard; import com.testingtech.ttworkbench.metamodel.core.extensionpoint.IForeignModelImporterDescriptor; import com.testingtech.ttworkbench.metamodel.core.foreignmodel.ForeignModelImporterManager; public class ModelImporterSelectionPage extends WizardSelectionPage implements ISelectionChangedListener { public static final String MODEL_IMPORTER_SELECTION_PAGE_ID = "ModelImporterSelectionPageId"; //$NON-NLS-1$ public static final String MODEL_IMPORTER_SELECTION_PAGE_LABLE = Messages.Lbl__Select_model_importer; public static final String MODEL_IMPORTER_SELECTION_PAGE_DESC = ""; //$NON-NLS-1$ protected TableViewer descriptorTableViewer; protected boolean firstTime = true; protected Set initializedWizards = new HashSet(); protected IForeignModelImporterDescriptor descriptor; private ForeignModelImporterManager modelImporterManager = ForeignModelImporterManager.INSTANCE; private NewModuleCreationPage previousPage; protected IStructuredSelection selection; protected IWorkbench workbench; public ModelImporterSelectionPage(String pageId, IWorkbench workbench, IStructuredSelection selection, NewModuleCreationPage previousPage) { super(pageId); this.workbench = workbench; this.selection = selection; this.previousPage = previousPage; } public void createControl(Composite parent) { Composite composite = new Composite(parent, SWT.NONE); { GridLayout layout = new GridLayout(); layout.numColumns = 1; layout.verticalSpacing = 12; composite.setLayout(layout); GridData data = new GridData(); data.verticalAlignment = GridData.FILL; data.grabExcessVerticalSpace = true; data.horizontalAlignment = GridData.FILL; composite.setLayoutData(data); } Label label = new Label(composite, SWT.NONE); label.setText(MODEL_IMPORTER_SELECTION_PAGE_LABLE); { GridData data = new GridData(); data.verticalAlignment = SWT.FILL; data.horizontalAlignment = SWT.FILL; label.setLayoutData(data); } Table descriptorTable = new Table(composite, SWT.SINGLE | SWT.FULL_SELECTION | SWT.BORDER); { GridData data = new GridData(); data.widthHint = Display.getCurrent().getBounds().width / 5; data.heightHint = Display.getCurrent().getBounds().height / 3; data.verticalAlignment = SWT.FILL; data.horizontalAlignment = SWT.FILL; data.grabExcessHorizontalSpace = true; data.grabExcessVerticalSpace = true; descriptorTable.setLayoutData(data); } descriptorTableViewer = new TableViewer(descriptorTable); descriptorTableViewer.setContentProvider(new ArrayContentProvider()); descriptorTableViewer.setLabelProvider(modelImporterManager.getLabelProvider()); descriptorTableViewer.setSorter(new ViewerSorter()); descriptorTableViewer.addDoubleClickListener(new IDoubleClickListener() { public void doubleClick(DoubleClickEvent event) { if (canFlipToNextPage()) { getContainer().showPage(getNextPage()); } } }); descriptorTableViewer.setInput(getTableInput()); descriptorTableViewer.addSelectionChangedListener(this); if (getModelImporterDescriptor() != null) { descriptorTableViewer.setSelection(new StructuredSelection(getModelImporterDescriptor()), true); } setControl(composite); } public IWizardPage getNextPage() { IWizard wz = (IWizard) getSelectedNode().getWizard(); if (initializedWizards.add(wz)) { if (wz instanceof Wizard) { Wizard wizard = (Wizard) wz; if (wizard.getWindowTitle() == null) { wizard.setWindowTitle(getWizard().getWindowTitle()); } } if (wz instanceof IWorkbenchWizard) { ((IWorkbenchWizard) wz).init(workbench, selection); } } IWizardPage wizardPage = super.getNextPage(); IWizardNode wizardNode = getSelectedNode(); if (wizardNode instanceof ForeignModelImporterManager.ModelImporterWizardNode) { ForeignModelImporterManager.ModelImporterWizardNode fwn = (ForeignModelImporterManager.ModelImporterWizardNode) wizardNode; fwn.setContentCreated(true); fwn.setTarget(previousPage.getNewModuleDescriptor()); } return wizardPage; } public void selectionChanged(SelectionChangedEvent event) { ISelection selection = event.getSelection(); if (!selection.isEmpty() && selection instanceof IStructuredSelection) { Object selectedObject = ((IStructuredSelection) selection).getFirstElement(); if (selectedObject instanceof IForeignModelImporterDescriptor) { descriptor = (IForeignModelImporterDescriptor) selectedObject; setMessage(descriptor.getDescription(), IMessageProvider.NONE); setSelectedNode((IWizardNode) modelImporterManager.getNode(descriptor)); return; } } setPageComplete(false); } protected Object[] getTableInput() { return modelImporterManager.getModelImporterDescriptors().toArray(); } public IForeignModelImporterDescriptor getModelImporterDescriptor() { return descriptor; } public void setVisible(boolean visible) { super.setVisible(visible); if (visible && firstTime) { firstTime = false; Table table = descriptorTableViewer.getTable(); table.setFocus(); } } @Override public void dispose() { if (initializedWizards != null) { initializedWizards.clear(); initializedWizards = null; } super.dispose(); } }