Java tutorial
/****************************************************************************** * Copyright (c) 2009-2013, Linagora * * 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: * Linagora - initial API and implementation *******************************************************************************/ package com.ebmwebsourcing.petals.server.ui.wizards; import java.util.ArrayList; import java.util.Collections; import java.util.List; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.Path; import org.eclipse.jdt.launching.IVMInstall; import org.eclipse.jdt.launching.IVMInstallType; import org.eclipse.jdt.launching.JavaRuntime; import org.eclipse.jface.dialogs.IMessageProvider; import org.eclipse.jface.preference.PreferenceDialog; import org.eclipse.jface.viewers.ArrayContentProvider; import org.eclipse.jface.viewers.ComboViewer; import org.eclipse.jface.viewers.ISelectionChangedListener; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.LabelProvider; import org.eclipse.jface.viewers.SelectionChangedEvent; import org.eclipse.jface.viewers.StructuredSelection; import org.eclipse.jface.window.Window; 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.Label; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Text; import org.eclipse.ui.dialogs.PreferencesUtil; import org.eclipse.wst.server.core.IRuntime; import org.eclipse.wst.server.core.IRuntimeWorkingCopy; import org.eclipse.wst.server.core.TaskModel; import org.eclipse.wst.server.ui.wizard.IWizardHandle; import org.eclipse.wst.server.ui.wizard.WizardFragment; import com.ebmwebsourcing.petals.server.PetalsServerPlugin; import com.ebmwebsourcing.petals.server.runtime.IPetalsRuntimeWorkingCopy; /** * @author Vincent Zurczak - EBM WebSourcing */ public class PetalsRuntimeWizardFragment3x extends WizardFragment { private IRuntimeWorkingCopy runtimeWc; private IPetalsRuntimeWorkingCopy petalsRuntimeWc; private IWizardHandle wizard; private String installPath, runtimeName; private IVMInstall vmInstall = JavaRuntime.getDefaultVMInstall(); private Text runtimeNameText, locationText; private ComboViewer jreViewer; /* (non-Javadoc) * @see org.eclipse.wst.server.ui.wizard.WizardFragment#hasComposite() */ @Override public boolean hasComposite() { return true; } /* (non-Javadoc) * @see org.eclipse.wst.server.ui.wizard.WizardFragment#enter() */ @Override public void enter() { Object o = getTaskModel().getObject(TaskModel.TASK_RUNTIME); if (o instanceof IRuntime) { o = ((IRuntime) o).createWorkingCopy(); getTaskModel().putObject(TaskModel.TASK_RUNTIME, o); } this.runtimeWc = (IRuntimeWorkingCopy) o; if (this.runtimeWc.getOriginal() == null) { try { this.runtimeWc.save(true, null); } catch (CoreException e) { PetalsServerPlugin.log(e, IStatus.ERROR); } } this.petalsRuntimeWc = (IPetalsRuntimeWorkingCopy) this.runtimeWc .loadAdapter(IPetalsRuntimeWorkingCopy.class, null); // Update UI if (this.runtimeNameText != null) { IVMInstall install = this.petalsRuntimeWc.getVMInstall(); if (install != null) { this.vmInstall = install; this.jreViewer.setSelection(new StructuredSelection(this.vmInstall)); } this.runtimeName = this.runtimeWc.getName(); this.runtimeNameText.setText(this.runtimeName); if (this.runtimeWc.getOriginal().getLocation() != null) this.locationText.setText(this.runtimeWc.getOriginal().getLocation().toOSString()); } } /* (non-Javadoc) * @see org.eclipse.wst.server.ui.wizard.WizardFragment#exit() */ @Override public void exit() { // nothing } /** * Validates the page data. */ public void validate() { // Validate the petalsRuntimeWc this.petalsRuntimeWc.setVMInstall(this.vmInstall); if (this.runtimeName == null || this.runtimeName.trim().length() == 0) { this.wizard.setMessage("You must give your runtime a name.", IMessageProvider.ERROR); setComplete(false); this.wizard.update(); return; } // Install path boolean complete = false; if (this.installPath != null) this.runtimeWc.setLocation(new Path(this.installPath)); else this.runtimeWc.setLocation(null); IStatus status = this.runtimeWc.validate(null); complete = status == null || status.getSeverity() != IStatus.ERROR; int severity = IMessageProvider.NONE; if (status != null) { if (status.getSeverity() == IStatus.ERROR) severity = IMessageProvider.ERROR; else if (status.getSeverity() == IStatus.WARNING) severity = IMessageProvider.WARNING; else if (status.getSeverity() == IStatus.INFO) severity = IMessageProvider.INFORMATION; } if (status != null && severity != IMessageProvider.NONE) this.wizard.setMessage(status.getMessage(), severity); else this.wizard.setMessage(null, IMessageProvider.ERROR); getTaskModel().putObject(TaskModel.TASK_RUNTIME, this.runtimeWc); setComplete(complete); this.wizard.update(); } /* (non-Javadoc) * @see org.eclipse.wst.server.ui.wizard.WizardFragment * #createComposite(org.eclipse.swt.widgets.Composite, org.eclipse.wst.server.ui.wizard.IWizardHandle) */ @Override public Composite createComposite(Composite parent, IWizardHandle wizard) { // Wizard this.wizard = wizard; wizard.setTitle("Petals Runtime"); wizard.setDescription("Create a new Petals runtime."); wizard.setImageDescriptor(PetalsServerPlugin.getImageDescriptor("icons/wizban/pstudio_64x64.png")); // Composite Composite container = new Composite(parent, SWT.NONE); GridLayout layout = new GridLayout(3, false); layout.marginTop = 10; container.setLayout(layout); container.setLayoutData(new GridData(GridData.FILL_BOTH)); // Location final Label locationLabel = new Label(container, SWT.NONE); locationLabel.setText("Location:"); this.locationText = new Text(container, SWT.SINGLE | SWT.BORDER); this.locationText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); this.locationText.addModifyListener(new ModifyListener() { @Override public void modifyText(ModifyEvent e) { PetalsRuntimeWizardFragment3x.this.installPath = PetalsRuntimeWizardFragment3x.this.locationText .getText().trim(); validate(); } }); final Button browseButton = new Button(container, SWT.PUSH); browseButton.setText("Browse..."); browseButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); browseButton.addSelectionListener(new SelectionAdapter() { @Override public void widgetDefaultSelected(SelectionEvent e) { widgetSelected(e); } @Override public void widgetSelected(SelectionEvent e) { DirectoryDialog dlg = new DirectoryDialog( PetalsRuntimeWizardFragment3x.this.locationText.getShell()); dlg.setMessage("Select the install directory of the Petals server."); dlg.setText("Petals server location"); dlg.setFilterPath(PetalsRuntimeWizardFragment3x.this.locationText.getText()); String path = dlg.open(); if (path != null) { PetalsRuntimeWizardFragment3x.this.locationText.setText(path); PetalsRuntimeWizardFragment3x.this.installPath = path.trim(); validate(); } } }); // JRE final Label jreLabel = new Label(container, SWT.NONE); jreLabel.setText("JRE / JDK:"); this.jreViewer = new ComboViewer(container, SWT.BORDER | SWT.DROP_DOWN | SWT.READ_ONLY); this.jreViewer.getCombo().setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); this.jreViewer.setContentProvider(new ArrayContentProvider()); this.jreViewer.setLabelProvider(new LabelProvider() { @Override public String getText(Object element) { if (element instanceof IVMInstall) return ((IVMInstall) element).getName(); return ""; } }); List<IVMInstall> vms = getVmInstalls(); this.jreViewer.setInput(vms); this.jreViewer.setSelection(new StructuredSelection(this.vmInstall)); this.jreViewer.addSelectionChangedListener(new ISelectionChangedListener() { @Override public void selectionChanged(SelectionChangedEvent event) { Object o = ((IStructuredSelection) event.getSelection()).getFirstElement(); PetalsRuntimeWizardFragment3x.this.vmInstall = (IVMInstall) o; validate(); } }); final Button installedJresButton = new Button(container, SWT.PUSH); installedJresButton.setText("Installed JRE..."); installedJresButton.setLayoutData(new GridData(SWT.FILL, SWT.DEFAULT, false, false)); installedJresButton.addSelectionListener(new SelectionAdapter() { @Override public void widgetDefaultSelected(SelectionEvent e) { widgetSelected(e); } @Override public void widgetSelected(SelectionEvent e) { String id = "org.eclipse.jdt.debug.ui.preferences.VMPreferencePage"; PreferenceDialog dlg = PreferencesUtil.createPreferenceDialogOn(new Shell(), id, null, null); if (dlg.open() == Window.OK) { List<IVMInstall> vms = getVmInstalls(); if (vms == null) vms = Collections.emptyList(); PetalsRuntimeWizardFragment3x.this.jreViewer.setInput(vms); PetalsRuntimeWizardFragment3x.this.jreViewer.refresh(); // Show the selected VM - if not null PetalsRuntimeWizardFragment3x.this.jreViewer .setSelection(new StructuredSelection(PetalsRuntimeWizardFragment3x.this.vmInstall)); } } }); // Redefine the petalsRuntimeWc name new Label(container, SWT.NONE).setText("Runtime name:"); this.runtimeNameText = new Text(container, SWT.BORDER | SWT.SINGLE); GridData layoutData = new GridData(GridData.FILL_HORIZONTAL); layoutData.horizontalSpan = 2; this.runtimeNameText.setLayoutData(layoutData); this.runtimeNameText.addModifyListener(new ModifyListener() { @Override public void modifyText(ModifyEvent e) { PetalsRuntimeWizardFragment3x.this.runtimeName = PetalsRuntimeWizardFragment3x.this.runtimeNameText .getText(); validate(); } }); return container; } /** * @return */ private List<IVMInstall> getVmInstalls() { List<IVMInstall> vmInstallList = new ArrayList<IVMInstall>(); IVMInstallType[] vmInstallTypes = JavaRuntime.getVMInstallTypes(); for (IVMInstallType vmInstallType : vmInstallTypes) { IVMInstall[] vmInstalls = vmInstallType.getVMInstalls(); for (IVMInstall vmInstall : vmInstalls) vmInstallList.add(vmInstall); } return vmInstallList; } }