Java tutorial
/******************************************************************************* * Copyright (c) 2009, 2016 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.server.ui.builtin; import java.util.ArrayList; import java.util.List; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.Path; import org.eclipse.core.runtime.jobs.IJobChangeListener; import org.eclipse.core.runtime.jobs.Job; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.dialogs.IMessageProvider; import org.eclipse.jface.preference.IPreferenceNode; import org.eclipse.jface.preference.PreferenceDialog; import org.eclipse.jface.preference.PreferenceManager; import org.eclipse.jface.window.Window; import org.eclipse.php.internal.debug.core.preferences.PHPexeItem; import org.eclipse.php.internal.debug.core.preferences.PHPexes; import org.eclipse.php.internal.server.core.builtin.IPHPRuntimeWorkingCopy; import org.eclipse.swt.SWT; import org.eclipse.swt.events.ModifyEvent; import org.eclipse.swt.events.ModifyListener; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.events.SelectionListener; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Combo; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Text; import org.eclipse.ui.PlatformUI; import org.eclipse.wst.server.core.IRuntimeWorkingCopy; import org.eclipse.wst.server.core.internal.IInstallableRuntime; import org.eclipse.wst.server.core.internal.ServerPlugin; import org.eclipse.wst.server.ui.internal.SWTUtil; import org.eclipse.wst.server.ui.wizard.IWizardHandle; /** * Wizard page to set the server install directory. */ @SuppressWarnings("restriction") public class PHPRuntimeComposite extends Composite { protected IRuntimeWorkingCopy runtimeWC; protected IPHPRuntimeWorkingCopy runtime; protected IWizardHandle wizard; protected Text name; protected List<PHPexeItem> installedExecutables; protected String[] executableNames; protected Combo combo; protected IInstallableRuntime ir; protected Job installRuntimeJob; protected IJobChangeListener jobListener; protected Label installLabel; protected Button install; protected PHPRuntimeComposite(Composite parent, IWizardHandle wizard) { super(parent, SWT.NONE); this.wizard = wizard; wizard.setTitle(Messages.wizardTitle); wizard.setDescription(Messages.wizardDescription); wizard.setImageDescriptor(PHPServerUIPlugin.getImageDescriptor(PHPServerUIPlugin.IMG_WIZ_PHP_SERVER)); createControl(); } protected void setRuntime(IRuntimeWorkingCopy newRuntime) { if (newRuntime == null) { runtimeWC = null; runtime = null; } else { runtimeWC = newRuntime; runtime = (IPHPRuntimeWorkingCopy) newRuntime.loadAdapter(IPHPRuntimeWorkingCopy.class, null); } if (runtimeWC == null) { ir = null; install.setEnabled(false); installLabel.setText(""); } else { ir = ServerPlugin.findInstallableRuntime(runtimeWC.getRuntimeType().getId()); if (ir != null) { install.setEnabled(true); installLabel.setText(ir.getName()); } } init(); validate(); } public void dispose() { super.dispose(); if (installRuntimeJob != null) { installRuntimeJob.removeJobChangeListener(jobListener); } } /** * Provide a wizard page to change the PHP executable installation * directory. */ protected void createControl() { GridLayout layout = new GridLayout(); layout.numColumns = 2; setLayout(layout); setLayoutData(new GridData(GridData.FILL_BOTH)); // PlatformUI.getWorkbench().getHelpSystem().setHelp(this, // ContextIds.RUNTIME_COMPOSITE); Label label = new Label(this, SWT.NONE); label.setText(Messages.runtimeName); GridData data = new GridData(); data.horizontalSpan = 2; label.setLayoutData(data); name = new Text(this, SWT.BORDER); data = new GridData(GridData.FILL_HORIZONTAL); name.setLayoutData(data); name.addModifyListener(new ModifyListener() { public void modifyText(ModifyEvent e) { runtimeWC.setName(name.getText()); validate(); } }); updateExecutables(); label = new Label(this, SWT.NONE); label.setText(Messages.installedJRE); data = new GridData(); data.horizontalSpan = 2; label.setLayoutData(data); combo = new Combo(this, SWT.DROP_DOWN | SWT.READ_ONLY); combo.setItems(executableNames); data = new GridData(GridData.HORIZONTAL_ALIGN_FILL); combo.setLayoutData(data); combo.addSelectionListener(new SelectionListener() { public void widgetSelected(SelectionEvent e) { int sel = combo.getSelectionIndex(); PHPexeItem item = (PHPexeItem) installedExecutables.get(sel); runtime.setExecutableInstall(item); runtimeWC.setLocation(new Path(item.getExecutable().getParent())); validate(); } public void widgetDefaultSelected(SelectionEvent e) { widgetSelected(e); } }); Button button = SWTUtil.createButton(this, Messages.installedJREs); button.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { String currentVM = combo.getText(); if (showPreferencePage()) { updateExecutables(); combo.setItems(executableNames); combo.setText(currentVM); if (combo.getSelectionIndex() == -1) combo.select(0); validate(); } } }); init(); validate(); Dialog.applyDialogFont(this); name.forceFocus(); } protected void updateExecutables() { // get all installed CLI executables installedExecutables = new ArrayList<>(); PHPexeItem[] installedItems = PHPexes.getInstance().getAllItems(); int size = installedItems.length; for (int i = 0; i < size; i++) { installedExecutables.add(installedItems[i]); } // get names size = installedExecutables.size(); executableNames = new String[size]; for (int i = 0; i < size; i++) { PHPexeItem vmInstall = (PHPexeItem) installedExecutables.get(i); executableNames[i] = vmInstall.getName(); } } protected boolean showPreferencePage() { String id = "org.eclipse.php.debug.ui.preferencesphps.PHPsPreferencePage"; PreferenceManager manager = PlatformUI.getWorkbench().getPreferenceManager(); IPreferenceNode node = manager.find("org.eclipse.php.ui.preferences.PHPBasePreferencePage").findSubNode(id); PreferenceManager manager2 = new PreferenceManager(); manager2.addToRoot(node); PreferenceDialog dialog = new PreferenceDialog(getShell(), manager2); dialog.create(); return (dialog.open() == Window.OK); } protected void init() { if (name == null || runtime == null) return; if (runtimeWC.getName() != null) name.setText(runtimeWC.getName()); else name.setText(""); int size = installedExecutables.size(); for (int i = 0; i < size; i++) { PHPexeItem item = (PHPexeItem) installedExecutables.get(i); if (item.equals(runtime.getExecutableInstall())) { combo.select(i); } } } protected void validate() { if (runtime == null) { wizard.setMessage("", IMessageProvider.ERROR); return; } IStatus status = runtimeWC.validate(null); if (status == null || status.isOK()) wizard.setMessage(null, IMessageProvider.NONE); else if (status.getSeverity() == IStatus.WARNING) wizard.setMessage(status.getMessage(), IMessageProvider.WARNING); else wizard.setMessage(status.getMessage(), IMessageProvider.ERROR); wizard.update(); } }