Java tutorial
/* ==================================================================== * * The ObjectStyle Group Software License, Version 1.0 * * Copyright (c) 2004 The ObjectStyle Group * and individual authors of the software. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. 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For more * information on the ObjectStyle Group, please see * <http://objectstyle.org/>. * */ package org.objectstyle.wolips.jdt.ui; import java.util.HashMap; import java.util.HashSet; import java.util.Map; import java.util.Set; import org.eclipse.jdt.core.IClasspathEntry; import org.eclipse.jdt.core.IJavaProject; import org.eclipse.jdt.core.JavaCore; import org.eclipse.jdt.ui.wizards.IClasspathContainerPage; import org.eclipse.jdt.ui.wizards.IClasspathContainerPageExtension; import org.eclipse.jdt.ui.wizards.IClasspathContainerPageExtension2; import org.eclipse.jface.viewers.CheckStateChangedEvent; import org.eclipse.jface.viewers.CheckboxTableViewer; import org.eclipse.jface.viewers.ICheckStateListener; import org.eclipse.jface.viewers.ViewerSorter; import org.eclipse.jface.wizard.WizardPage; 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.TableColumn; import org.objectstyle.wolips.jdt.JdtPlugin; import org.objectstyle.wolips.jdt.ProjectFrameworkAdapter; import org.objectstyle.wolips.jdt.classpath.WOFrameworkClasspathContainer; import org.objectstyle.wolips.jdt.classpath.model.IEclipseFramework; public class WOFrameworkContainerPage extends WizardPage implements IClasspathContainerPage, IClasspathContainerPageExtension2, IClasspathContainerPageExtension { private CheckboxTableViewer _frameworkTableViewer; private Set<IEclipseFramework> _frameworks; private Set<IEclipseFramework> _usedFrameworks; private IJavaProject _project; /** * The constructor. */ public WOFrameworkContainerPage() { super("WebObjects Frameworks"); setTitle("WebObjects Frameworks"); setMessage("Select the frameworks to add to this project."); } protected boolean isFrameworkUsed(IEclipseFramework framework) { return _usedFrameworks.contains(framework); } public void createControl(Composite parent) { Composite thisPage = new Composite(parent, SWT.NONE); thisPage.setLayoutData(new GridData(GridData.FILL_BOTH)); thisPage.setLayout(new GridLayout()); _frameworkTableViewer = CheckboxTableViewer.newCheckList(thisPage, SWT.MULTI | SWT.BORDER); TableColumn frameworkNameColumn = new TableColumn(_frameworkTableViewer.getTable(), SWT.NONE); frameworkNameColumn.setText("Name"); frameworkNameColumn.setWidth(200); TableColumn rootNameColumn = new TableColumn(_frameworkTableViewer.getTable(), SWT.NONE); rootNameColumn.setText("Location"); rootNameColumn.setWidth(200); GridData tableLayoutData = new GridData(GridData.FILL_BOTH); tableLayoutData.heightHint = 200; _frameworkTableViewer.getTable().setHeaderVisible(true); _frameworkTableViewer.getTable().setLayoutData(tableLayoutData); _frameworkTableViewer.setSorter(new ViewerSorter()); // _frameworkTableViewer.addSelectionChangedListener(this); final CheckboxTableViewer finalFrameworkTableViewer = _frameworkTableViewer; _frameworkTableViewer.addCheckStateListener(new ICheckStateListener() { public void checkStateChanged(CheckStateChangedEvent event) { IEclipseFramework checkedFramework = (IEclipseFramework) event.getElement(); if (!event.getChecked() && isFrameworkUsed(checkedFramework)) { finalFrameworkTableViewer.setChecked(checkedFramework, true); } } }); WOFrameworkContentProvider frameworkContentProvider = new WOFrameworkContentProvider(_frameworks); WOFrameworkLabelProvider labelProvider = new WOFrameworkLabelProvider(_usedFrameworks); _frameworkTableViewer.setContentProvider(frameworkContentProvider); _frameworkTableViewer.setLabelProvider(labelProvider); _frameworkTableViewer.setInput(frameworkContentProvider); _frameworkTableViewer.setGrayedElements(_usedFrameworks.toArray()); _frameworkTableViewer.setCheckedElements(_usedFrameworks.toArray()); setControl(thisPage); // frameworkChanged(); } public void initialize(IJavaProject javaProject, IClasspathEntry[] currentEntries) { _project = javaProject; _frameworks = JdtPlugin.getDefault().getFrameworkModel(_project.getProject()).getAllFrameworks(); _usedFrameworks = new HashSet<IEclipseFramework>(); try { Map<String, IEclipseFramework> namedFrameworksMap = new HashMap<String, IEclipseFramework>(); for (IEclipseFramework framework : _frameworks) { namedFrameworksMap.put(framework.getName(), framework); } ProjectFrameworkAdapter frameworkAdapter = (ProjectFrameworkAdapter) _project.getProject() .getAdapter(ProjectFrameworkAdapter.class); Set<String> linkedFrameworkNames = frameworkAdapter.getLinkedFrameworkNames(); for (String linkedFrameworkName : linkedFrameworkNames) { IEclipseFramework localFramework = namedFrameworksMap.get(linkedFrameworkName); if (localFramework != null) { _usedFrameworks.add(localFramework); } } } catch (Throwable t) { throw new RuntimeException("Failed to remove already linked frameworks from the framework list.", t); } } public boolean finish() { return true; } @Override public void setVisible(boolean visible) { super.setVisible(visible); } public void setSelection(IClasspathEntry containerEntry) { // DO NOTHING } public IClasspathEntry getSelection() { return null; } public IClasspathEntry[] getNewContainers() { Set<IClasspathEntry> classpathEntries = new HashSet<IClasspathEntry>(); if (_frameworkTableViewer != null) { Object[] checkedObjects = _frameworkTableViewer.getCheckedElements(); for (Object checkedObject : checkedObjects) { IEclipseFramework selectedFramework = (IEclipseFramework) checkedObject; if (!isFrameworkUsed(selectedFramework)) { WOFrameworkClasspathContainer frameworkContainer = new WOFrameworkClasspathContainer( selectedFramework); classpathEntries.add(JavaCore.newContainerEntry(frameworkContainer.getPath())); } } } return classpathEntries.toArray(new IClasspathEntry[classpathEntries.size()]); } }