Java tutorial
/******************************************************************************* * Copyright (c) 2012 The PDT Extension Group (https://github.com/pdt-eg) * 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 ******************************************************************************/ package org.pdtextensions.server.ui.internal.lhttpd; import java.util.List; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.IPath; import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.NullProgressMonitor; import org.eclipse.core.runtime.Path; import org.eclipse.core.runtime.Status; import org.eclipse.core.runtime.jobs.IJobChangeEvent; import org.eclipse.core.runtime.jobs.Job; import org.eclipse.core.runtime.jobs.JobChangeAdapter; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.dialogs.IMessageProvider; import org.eclipse.jface.window.Window; import org.eclipse.jface.wizard.WizardDialog; 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.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.Display; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Text; import org.eclipse.wst.server.core.IRuntimeWorkingCopy; import org.eclipse.wst.server.core.TaskModel; import org.eclipse.wst.server.ui.internal.wizard.TaskWizard; import org.eclipse.wst.server.ui.internal.wizard.fragment.LicenseWizardFragment; import org.eclipse.wst.server.ui.wizard.IWizardHandle; import org.eclipse.wst.server.ui.wizard.WizardFragment; import org.pdtextensions.server.IPEXInstallableRuntime; import org.pdtextensions.server.PEXServerPlugin; import org.pdtextensions.server.lhttpd.ILHttpdRuntimeWorkingCopy; import org.pdtextensions.server.ui.PEXServerUiPlugin; @SuppressWarnings("restriction") public class LHttpdRuntimeComposite extends Composite { private IWizardHandle wizard; private IRuntimeWorkingCopy runtimeWC; private ILHttpdRuntimeWorkingCopy runtime; private IPEXInstallableRuntime ir; protected Label installLabel; protected Button install; private Text name; private Text installDir; private Job installRuntimeJob; private JobChangeAdapter jobListener; public LHttpdRuntimeComposite(Composite parent, IWizardHandle wizard) { super(parent, SWT.NONE); this.wizard = wizard; wizard.setTitle(Messages.LHttpdRuntimeComposite_Title); wizard.setDescription(Messages.LHttpdRuntimeComposite_Description); // TODO /*wizard.setImageDescriptor(TomcatUIPlugin.getImageDescriptor(TomcatUIPlugin.IMG_WIZ_TOMCAT));*/ createControl(); } 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.LHttpdRuntimeComposite_Name); 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(); } }); label = new Label(this, SWT.NONE); label.setText(Messages.LHttpdRuntimeComposite_InstallDir); data = new GridData(); data.horizontalSpan = 2; label.setLayoutData(data); installDir = new Text(this, SWT.BORDER); data = new GridData(GridData.FILL_HORIZONTAL); installDir.setLayoutData(data); installDir.addModifyListener(new ModifyListener() { public void modifyText(ModifyEvent e) { runtimeWC.setLocation(new Path(installDir.getText())); validate(); } }); Button browse = SWTUtil.createButton(this, Messages.LHttpdRuntimeComposite_Browse); browse.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent se) { DirectoryDialog dialog = new DirectoryDialog(LHttpdRuntimeComposite.this.getShell()); dialog.setMessage(Messages.LHttpdRuntimeComposite_SelectApacheXamppInstallDir); dialog.setFilterPath(installDir.getText()); String selectedDirectory = dialog.open(); if (selectedDirectory != null) installDir.setText(selectedDirectory); } }); installLabel = new Label(this, SWT.RIGHT); data = new GridData(GridData.FILL_HORIZONTAL); data.horizontalIndent = 10; installLabel.setLayoutData(data); install = SWTUtil.createButton(this, Messages.LHttpdRuntimeComposite_Install); install.setEnabled(false); install.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent se) { String license = null; try { license = ir.getLicense(new NullProgressMonitor()); } catch (CoreException e) { PEXServerPlugin.logError("Error getting license", e); //$NON-NLS-1$ } TaskModel taskModel = new TaskModel(); taskModel.putObject(LicenseWizardFragment.LICENSE, license); TaskWizard wizard2 = new TaskWizard(Messages.LHttpdRuntimeComposite_TitleDownloadAndInstall, new WizardFragment() { protected void createChildFragments(List<WizardFragment> list) { list.add(new LicenseWizardFragment()); } }, taskModel); WizardDialog dialog2 = new WizardDialog(getShell(), wizard2); if (dialog2.open() == Window.CANCEL) return; DirectoryDialog dialog = new DirectoryDialog(LHttpdRuntimeComposite.this.getShell()); dialog.setMessage(Messages.LHttpdRuntimeComposite_SelectXamppInstallDir); dialog.setFilterPath(installDir.getText()); String selectedDirectory = dialog.open(); if (selectedDirectory != null) { final IPath installPath = new Path(selectedDirectory); installRuntimeJob = new Job(Messages.LHttpdRuntimeComposite_TaskInstallingRuntime) { public boolean belongsTo(Object family) { return PEXServerUiPlugin.PLUGIN_ID.equals(family); } protected IStatus run(IProgressMonitor monitor) { try { ir.install(installPath, monitor); } catch (CoreException ce) { return ce.getStatus(); } return Status.OK_STATUS; } }; installDir.setText(selectedDirectory); jobListener = new JobChangeAdapter() { public void done(IJobChangeEvent event) { installRuntimeJob.removeJobChangeListener(this); installRuntimeJob = null; Display.getDefault().asyncExec(new Runnable() { public void run() { if (!isDisposed()) { validate(); } } }); } }; installRuntimeJob.addJobChangeListener(jobListener); installRuntimeJob.schedule(); } } }); init(); validate(); Dialog.applyDialogFont(this); name.forceFocus(); } public void dispose() { super.dispose(); if (installRuntimeJob != null) { installRuntimeJob.removeJobChangeListener(jobListener); } } public void setRuntime(IRuntimeWorkingCopy newRuntime) { if (newRuntime == null) { runtimeWC = null; runtime = null; } else { runtimeWC = newRuntime; runtime = (ILHttpdRuntimeWorkingCopy) newRuntime.loadAdapter(ILHttpdRuntimeWorkingCopy.class, null); } install.setEnabled(false); installLabel.setText(""); //$NON-NLS-1$ if (runtimeWC == null) { ir = null; } else { ir = runtime.getInstallableRuntime(); if (ir != null) { install.setEnabled(true); installLabel.setText(ir.getName()); } } init(); validate(); } protected void init() { if (name == null || runtime == null) return; if (runtimeWC.getName() != null) name.setText(runtimeWC.getName()); else name.setText(""); //$NON-NLS-1$ if (runtimeWC.getLocation() != null) installDir.setText(runtimeWC.getLocation().toOSString()); else installDir.setText(""); //$NON-NLS-1$ } protected void validate() { if (runtime == null) { wizard.setMessage("", IMessageProvider.ERROR); //$NON-NLS-1$ 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(); } }