Java tutorial
/******************************************************************************* * Copyright (c) 2009 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 API and implementation * Zend Technologies *******************************************************************************/ package org.eclipse.php.internal.debug.ui.preferences.phps; import java.util.HashMap; import java.util.Iterator; import java.util.Map; import org.eclipse.dltk.ui.DLTKPluginImages; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.viewers.*; import org.eclipse.php.internal.core.PHPVersion; import org.eclipse.php.internal.debug.core.preferences.PHPexeItem; import org.eclipse.php.internal.debug.core.preferences.PHPexes; import org.eclipse.php.internal.debug.ui.PHPDebugUIImages; import org.eclipse.swt.SWT; import org.eclipse.swt.graphics.Image; 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.swt.widgets.Label; import org.eclipse.swt.widgets.Table; import org.eclipse.ui.IWorkbench; /** * PHP version configuration block preferences page. */ public class PHPInterpreterExecutionConfigurationBlock { private TableViewer fProfilesViewer; private CheckboxTableViewer fJREsViewer; /** * PHPVersion -> Default interpreter */ private Map<PHPVersion, PHPexeItem> versionToDefaultItem = new HashMap<PHPVersion, PHPexeItem>(); /** * PHPVersion -> Default interpreter */ private Map<PHPVersion, PHPexeItem[]> versionToCompatibleItems = new HashMap<PHPVersion, PHPexeItem[]>(); PHPexes phpExes; PHPexeItem[] allItems; /** * This block's control */ private Composite fControl; public class ExecutionEnvironmentsLabelProvider extends LabelProvider { /** * @see org.eclipse.jface.viewers.ILabelProvider#getImage(java.lang.Object) */ public Image getImage(Object element) { return DLTKPluginImages.getDescriptor(DLTKPluginImages.IMG_OBJS_LIBRARY).createImage(); } /** * @see org.eclipse.jface.viewers.ILabelProvider#getText(java.lang.Object) */ public String getText(Object element) { return ((PHPVersion) element).getAlias(); } } /** * Label provider for installed PHPs table. */ class PHPExeLabelProvider extends LabelProvider { /** * @see org.eclipse.jface.viewers.ILabelProvider#getImage(java.lang.Object) */ public Image getImage(Object element) { return PHPDebugUIImages.get(PHPDebugUIImages.IMG_OBJ_PHP_EXE); } /** * @see org.eclipse.jface.viewers.ILabelProvider#getText(java.lang.Object) */ public String getText(Object element) { if (element instanceof PHPexeItem) { final PHPexeItem phpExe = (PHPexeItem) element; return phpExe.getName(); } return element.toString(); } } public PHPInterpreterExecutionConfigurationBlock() { super(); this.phpExes = PHPexes.getInstance(); allItems = phpExes.getAllItems(); versionToDefaultItem.putAll(phpExes.getDefaultItemsForPHPVersion()); } /* * (non-Javadoc) * * @see * org.eclipse.ui.IWorkbenchPreferencePage#init(org.eclipse.ui.IWorkbench) */ public void init(IWorkbench workbench) { } /* * (non-Javadoc) * * @see * org.eclipse.jface.preference.PreferencePage#createContents(org.eclipse * .swt.widgets.Composite) */ protected Control createControl(Composite ancestor) { fControl = ancestor; Composite container = new Composite(ancestor, SWT.NONE); GridLayout layout = new GridLayout(); layout.numColumns = 2; layout.marginHeight = 0; layout.marginWidth = 0; layout.makeColumnsEqualWidth = true; container.setLayout(layout); GridData gd = new GridData(GridData.FILL_BOTH); container.setLayoutData(gd); container.setFont(ancestor.getFont()); Composite eeContainer = new Composite(container, SWT.NONE); layout = new GridLayout(); layout.marginWidth = 0; eeContainer.setLayout(layout); eeContainer.setLayoutData(new GridData(GridData.FILL_BOTH)); Label label = new Label(eeContainer, SWT.NONE); label.setFont(ancestor.getFont()); label.setText(Messages.PHPInterpreterExecutionConfigurationBlock_0); label.setLayoutData(new GridData(SWT.FILL, 0, true, false)); Table table = new Table(eeContainer, SWT.BORDER | SWT.SINGLE); table.setLayout(layout); table.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true)); fProfilesViewer = new TableViewer(table); fProfilesViewer.setContentProvider(new ArrayContentProvider()); fProfilesViewer.setLabelProvider(new ExecutionEnvironmentsLabelProvider()); fProfilesViewer.setComparator(new ViewerComparator()); fProfilesViewer.setInput(PHPVersion.supportedVersions()); Composite jreContainer = new Composite(container, SWT.NONE); layout = new GridLayout(); layout.marginWidth = 0; jreContainer.setLayout(layout); jreContainer.setLayoutData(new GridData(GridData.FILL_BOTH)); label = new Label(jreContainer, SWT.NONE); label.setFont(ancestor.getFont()); label.setText(Messages.PHPInterpreterExecutionConfigurationBlock_1); label.setLayoutData(new GridData(SWT.FILL, 0, true, false)); table = new Table(jreContainer, SWT.CHECK | SWT.BORDER | SWT.SINGLE); table.setLayout(layout); table.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true)); fJREsViewer = new CheckboxTableViewer(table); fJREsViewer.setContentProvider(new ArrayContentProvider()); fJREsViewer.setLabelProvider(new PHPExeLabelProvider()); fJREsViewer.setInput(new PHPexeItem[0]); fProfilesViewer.addSelectionChangedListener(new ISelectionChangedListener() { public void selectionChanged(SelectionChangedEvent event) { PHPVersion version = (PHPVersion) ((IStructuredSelection) event.getSelection()).getFirstElement(); PHPexeItem jre = versionToDefaultItem.get(version); fJREsViewer.setInput(getCompatibleItems(allItems, version)); if (jre != null) { fJREsViewer.setCheckedElements(new Object[] { jre }); } else { fJREsViewer.setCheckedElements(new Object[0]); } } }); fJREsViewer.addCheckStateListener(new ICheckStateListener() { public void checkStateChanged(CheckStateChangedEvent event) { if (event.getChecked()) { Object element = event.getElement(); versionToDefaultItem.put( (PHPVersion) ((IStructuredSelection) fProfilesViewer.getSelection()).getFirstElement(), (PHPexeItem) element); fJREsViewer.setCheckedElements(new Object[] { element }); } else { versionToDefaultItem.remove(fJREsViewer.getInput()); } } }); Dialog.applyDialogFont(ancestor); return ancestor; } private PHPexeItem[] getCompatibleItems(PHPexeItem[] allItems, PHPVersion version) { String versionNumber = version.getAlias().substring(3); PHPexeItem[] result = versionToCompatibleItems.get(version); if (result == null) { result = phpExes.getCompatibleItems(allItems, version); versionToCompatibleItems.put(version, result); } return result; } /* * (non-Javadoc) * * @see org.eclipse.jface.preference.IPreferencePage#performOk() */ public boolean performOk() { for (Iterator<PHPVersion> iterator = versionToDefaultItem.keySet().iterator(); iterator.hasNext();) { PHPVersion version = iterator.next(); phpExes.setItemDefaultForPHPVersion(versionToDefaultItem.get(version), version); } phpExes.save(); return true; } public Control getControl() { return fControl; } }