Java tutorial
//------------------------------------------------------------------------------ // Copyright (c) 2005, 2007 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 implementation //------------------------------------------------------------------------------ package org.eclipse.epf.export.wizards; import java.util.ArrayList; import java.util.Collections; import java.util.Comparator; import java.util.List; import org.eclipse.epf.authoring.ui.AuthoringUIText; import org.eclipse.epf.export.ExportPlugin; import org.eclipse.epf.export.ExportResources; import org.eclipse.epf.export.services.ConfigurationExportData; import org.eclipse.epf.library.LibraryService; import org.eclipse.epf.library.edit.PresentationContext; import org.eclipse.epf.library.ui.LibraryUIImages; import org.eclipse.epf.ui.wizards.BaseWizardPage; import org.eclipse.epf.uma.MethodConfiguration; import org.eclipse.jface.viewers.ArrayContentProvider; import org.eclipse.jface.viewers.ILabelProvider; import org.eclipse.jface.viewers.ISelectionChangedListener; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.LabelProvider; import org.eclipse.jface.viewers.SelectionChangedEvent; import org.eclipse.jface.viewers.StructuredSelection; import org.eclipse.jface.viewers.TableViewer; import org.eclipse.jface.wizard.IWizardPage; import org.eclipse.swt.SWT; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Event; import org.eclipse.swt.widgets.Listener; import org.eclipse.swt.widgets.Table; import org.eclipse.swt.widgets.Text; /** * A wizard page that prompts the user to select a method configuration to * export. * * @author Bingxue Xu * @author Kelvin Low * @since 1.0 */ public class ExportConfigSelectConfigPage extends BaseWizardPage implements ISelectionChangedListener, Listener { public static final String PAGE_NAME = ExportConfigSelectConfigPage.class.getName(); private Table table; protected TableViewer ctrl_tableViewer; private Text ctrl_briefDesc; private ConfigurationExportData data; /** * Creates a new instance. */ public ExportConfigSelectConfigPage(ConfigurationExportData data) { super(PAGE_NAME); setTitle(ExportResources.selectConfigPage_title); setDescription(ExportResources.selectConfigPage_desc); setImageDescriptor(ExportPlugin.getDefault().getImageDescriptor("full/wizban/exp_lib_conf_wizban.gif")); //$NON-NLS-1$ this.data = data; } /** * @see org.eclipse.jface.dialogs.IDialogPage#createControl(Composite) */ public void createControl(Composite parent) { Composite container = new Composite(parent, SWT.NONE); container.setLayout(new GridLayout()); createLabel(container, ExportResources.selectConfigPage_configsLabel_text); ctrl_tableViewer = createTableViewer(container, 360, 120, 1); table = ctrl_tableViewer.getTable(); /* MethodConfiguration[] configs = LibraryServiceUtil .getMethodConfigurations(LibraryService.getInstance() .getCurrentMethodLibrary());*/ List<MethodConfiguration> configList = new ArrayList<MethodConfiguration>( LibraryService.getInstance().getCurrentMethodLibrary().getPredefinedConfigurations()); if (configList.size() > 1) { Comparator comparator = PresentationContext.INSTANCE.getComparator(); Collections.<MethodConfiguration>sort(configList, comparator); } MethodConfiguration[] a = new MethodConfiguration[configList.size()]; MethodConfiguration[] configs = configList.toArray(a); ILabelProvider labelProvider = new LabelProvider() { public Image getImage(Object element) { return LibraryUIImages.IMG_METHOD_CONFIGURATON; } public String getText(Object element) { if (element instanceof MethodConfiguration) { return ((MethodConfiguration) element).getName(); } else { return element.toString(); } } }; ctrl_tableViewer.setLabelProvider(labelProvider); ctrl_tableViewer.setContentProvider(new ArrayContentProvider()); if (configs != null) { ctrl_tableViewer.setInput(configs); } createLabel(container, AuthoringUIText.BRIEF_DESCRIPTION_TEXT); ctrl_briefDesc = createMultiLineText(container, "", 360, 80, 3); //$NON-NLS-1$ if (configs != null && configs.length > 0) { table.select(0); setDisplayAttributes((MethodConfiguration) configs[0]); } addListeners(); setControl(container); setPageComplete(true); } private void addListeners() { ctrl_tableViewer.addSelectionChangedListener(this); } /** * @see org.eclipse.jface.viewers.ISelectionChangedListener#selectionChanged(org.eclipse.jface.viewers.SelectionChangedEvent) */ public void selectionChanged(SelectionChangedEvent event) { StructuredSelection selection = (StructuredSelection) event.getSelection(); if (!selection.isEmpty()) { Object[] configs = selection.toArray(); setDisplayAttributes((MethodConfiguration) configs[0]); } } /** * @see org.eclipse.swt.widgets.Listener#handleEvent(org.eclipse.swt.widgets.Event) */ public void handleEvent(Event event) { setPageComplete(isPageComplete()); getWizard().getContainer().updateButtons(); } private void setDisplayAttributes(MethodConfiguration config) { ctrl_briefDesc.setText(config.getBriefDescription()); } protected void saveDataToModel() { IStructuredSelection selection = (IStructuredSelection) ctrl_tableViewer.getSelection(); Object[] configs = selection.toArray(); MethodConfiguration config = (MethodConfiguration) configs[0]; List arrList = new ArrayList(); arrList.add(config); data.selectedConfigs = arrList; } /** * @see org.eclipse.jface.wizard.WizardPage#getNextPage() */ public IWizardPage getNextPage() { saveDataToModel(); ExportConfigCheckingPage page = ((ExportConfigurationWizard) getWizard()).configCheckingPage; page.onEnterPage(null); return page; } /* (non-Javadoc) * @see org.eclipse.jface.wizard.WizardPage#isPageComplete() */ public boolean isPageComplete() { IStructuredSelection selection = (IStructuredSelection) ctrl_tableViewer.getSelection(); if (selection == null || selection.isEmpty()) { return false; } return super.isPageComplete(); } }