Java tutorial
/******************************************************************************* * Copyright (c) 2007, 2008 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 *******************************************************************************/ package org.eclipse.wst.server.http.ui.internal; import org.eclipse.core.runtime.Path; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.dialogs.IMessageProvider; 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.graphics.Font; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.DirectoryDialog; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Text; import org.eclipse.ui.PlatformUI; import org.eclipse.wst.server.core.IRuntime; import org.eclipse.wst.server.core.IRuntimeWorkingCopy; import org.eclipse.wst.server.core.ServerCore; import org.eclipse.wst.server.http.core.internal.HttpRuntime; import org.eclipse.wst.server.ui.wizard.IWizardHandle; /** * Wizard page to set the server install directory. */ public class HttpRuntimeComposite extends Composite { protected IRuntimeWorkingCopy runtimeWC; protected HttpRuntime runtime; protected Text name; protected Text publishDir; protected Button browseButton; protected IWizardHandle wizard; /** * HttpRuntimeComposite * * @param parent the parent composite * @param wizard the wizard handle */ public HttpRuntimeComposite(Composite parent, IWizardHandle wizard) { super(parent, SWT.NONE); this.wizard = wizard; wizard.setTitle(Messages.wizardTitle); wizard.setDescription(Messages.wizardDescription); wizard.setImageDescriptor(HttpUIPlugin.getImageDescriptor(HttpUIPlugin.IMG_WIZ_SERVER)); createControl(); } protected void setRuntime(IRuntimeWorkingCopy newRuntime) { if (newRuntime == null) { runtimeWC = null; runtime = null; } else { runtimeWC = newRuntime; runtime = (HttpRuntime) newRuntime.loadAdapter(HttpRuntime.class, null); } init(); validate(); } /** * Provide a wizard page to change the Apache installation directory. */ protected void createControl() { GridLayout layout = new GridLayout(1, true); setLayout(layout); setLayoutData(new GridData(GridData.FILL_BOTH)); Composite nameGroup = new Composite(this, SWT.NONE); layout = new GridLayout(); layout.numColumns = 2; layout.marginWidth = 0; layout.marginHeight = 0; nameGroup.setLayout(layout); nameGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); PlatformUI.getWorkbench().getHelpSystem().setHelp(this, ContextIds.RUNTIME_COMPOSITE); Label label = new Label(nameGroup, SWT.NONE); label.setText(Messages.runtimeName); GridData data = new GridData(GridData.FILL_HORIZONTAL | GridData.VERTICAL_ALIGN_END); data.horizontalSpan = 2; label.setLayoutData(data); name = new Text(nameGroup, SWT.BORDER); data = new GridData(GridData.FILL_HORIZONTAL); data.horizontalSpan = 2; name.setLayoutData(data); name.addModifyListener(new ModifyListener() { public void modifyText(ModifyEvent e) { runtimeWC.setName(name.getText()); validate(); } }); createPublishLocationGroup(nameGroup); init(); validate(); Dialog.applyDialogFont(this); name.forceFocus(); } protected void init() { if (name == null || runtimeWC == null || runtime == null) return; name.setText(runtimeWC.getName()); if (runtimeWC.getLocation() != null) publishDir.setText(runtimeWC.getLocation().toOSString()); } protected void validate() { if (runtime == null) { wizard.setMessage("", IMessageProvider.ERROR); return; } wizard.setMessage(null, IMessageProvider.NONE); if (runtimeWC != null) { String name2 = runtimeWC.getName(); if (name2 == null || name2.trim().equals("")) { wizard.setMessage(Messages.wizardMissingRuntimeName, IMessageProvider.ERROR); } else { boolean ok = checkRuntimeName(name2); if (!ok) { wizard.setMessage(Messages.wizardDuplicateName, IMessageProvider.ERROR); } } } wizard.update(); } protected boolean isComplete() { return wizard.getMessageType() != IMessageProvider.ERROR; } private void createPublishLocationGroup(Composite publishInfoGroup) { Font font = publishInfoGroup.getFont(); // location label Label locationLabel = new Label(publishInfoGroup, SWT.NONE); locationLabel.setFont(font); locationLabel.setText(Messages.publishDir); GridData data = new GridData(GridData.FILL_HORIZONTAL | GridData.VERTICAL_ALIGN_END); data.horizontalSpan = 2; locationLabel.setLayoutData(data); // project location entry field publishDir = new Text(publishInfoGroup, SWT.BORDER); data = new GridData(GridData.FILL_HORIZONTAL); publishDir.setLayoutData(data); publishDir.setFont(font); publishDir.addModifyListener(new ModifyListener() { public void modifyText(ModifyEvent e) { runtimeWC.setLocation(new Path(publishDir.getText())); validate(); } }); // browse button browseButton = new Button(publishInfoGroup, SWT.PUSH); browseButton.setFont(font); browseButton.setText(Messages.browse); browseButton.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent event) { DirectoryDialog dialog = new DirectoryDialog(HttpRuntimeComposite.this.getShell()); dialog.setMessage(Messages.selectInstallDir); dialog.setFilterPath(publishDir.getText()); String selectedDirectory = dialog.open(); if (selectedDirectory != null) publishDir.setText(selectedDirectory); } }); } private boolean checkRuntimeName(String name2) { if (runtimeWC.getOriginal() != null && name2.equals(runtimeWC.getOriginal().getName())) { return true; } name2 = name2.trim(); IRuntime[] runtimes = ServerCore.getRuntimes(); if (runtimes != null) { for (IRuntime runtime2 : runtimes) { if (name2.equals(runtime2.getName())) return false; } } return true; } }