Java tutorial
/* * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). * All rights reserved. * This component and the accompanying materials are made available * under the terms of "Eclipse Public License v1.0" * which accompanies this distribution, and is available * at the URL "http://www.eclipse.org/legal/epl-v10.html". * * Initial Contributors: * Nokia Corporation - initial contribution. * * Contributors: * * Description: * */ package com.nokia.testfw.stf.configeditor.wizards; import java.io.File; import org.eclipse.cdt.core.model.ICElement; import org.eclipse.cdt.core.model.ISourceRoot; import org.eclipse.core.resources.IContainer; import org.eclipse.core.resources.IResource; import org.eclipse.core.resources.ResourcesPlugin; import org.eclipse.core.runtime.Path; import org.eclipse.jface.dialogs.IPageChangedListener; import org.eclipse.jface.dialogs.PageChangedEvent; import org.eclipse.jface.viewers.ISelection; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.wizard.WizardDialog; import org.eclipse.jface.wizard.WizardPage; 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.Label; import org.eclipse.swt.widgets.Text; import org.eclipse.ui.PlatformUI; import org.eclipse.ui.dialogs.ContainerSelectionDialog; //import com.nokia.testfw.codegen.ui.Messages; /** * The "New" wizard page allows setting the container for the new file as well * as the file name. The page will only accept file name without the extension * OR with the extension that matches the expected one (ini). */ public class NewStifConfigWizardPage extends WizardPage implements IPageChangedListener { /** * Container name */ private Text containerText; /** * File name */ private Text fileText; /** * Workbench selection */ private ISelection selection; /** * File name prefix */ private static final String filenamepre = "TestFramework_"; /** * Creates wizard page * @param selection Workbench selection */ public NewStifConfigWizardPage(ISelection selection) { super("wizardPage"); setTitle("New STF config file"); setDescription("This wizard creates a new STF config file."); this.selection = selection; } /* (non-Javadoc) * @see org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets.Composite) */ public void createControl(Composite parent) { Composite container = new Composite(parent, SWT.NULL); GridLayout layout = new GridLayout(); container.setLayout(layout); layout.numColumns = 3; layout.verticalSpacing = 9; Label label = new Label(container, SWT.NULL); label.setText("&Container:"); containerText = new Text(container, SWT.BORDER | SWT.SINGLE); GridData gd = new GridData(GridData.FILL_HORIZONTAL); containerText.setLayoutData(gd); containerText.addModifyListener(new ModifyListener() { public void modifyText(ModifyEvent e) { dialogChanged(true); } }); Button button = new Button(container, SWT.PUSH); button.setText("Browse..."); button.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { handleBrowse(); } }); label = new Label(container, SWT.NULL); label.setText("&File name:"); fileText = new Text(container, SWT.BORDER | SWT.SINGLE); gd = new GridData(GridData.FILL_HORIZONTAL); fileText.setLayoutData(gd); fileText.addModifyListener(new ModifyListener() { public void modifyText(ModifyEvent e) { dialogChanged(false); } }); initialize(); dialogChanged(false); setControl(container); /** * We want to be informed about pageChanged event in order to set focus to a control from the NewTestModulePage */ WizardDialog dialog = (WizardDialog) getContainer(); dialog.addPageChangedListener(this); PlatformUI.getWorkbench().getHelpSystem().setHelp(this.getControl(), HelpContextIDs.helpForConfigurationFileWizard); } /** * Tests if the current workbench selection is a suitable container to use. */ private void initialize() { IStructuredSelection ssel = (IStructuredSelection) selection; Object obj = null; String projectname = null; if (selection != null && selection.isEmpty() == false && selection instanceof IStructuredSelection) { if (ssel.size() > 1) return; obj = ssel.getFirstElement(); if (obj instanceof IResource) { IContainer container; if (obj instanceof IContainer) container = (IContainer) obj; else container = ((IResource) obj).getParent(); projectname = container.getProject().getName(); containerText.setText(container.getFullPath().toString()); } if (obj instanceof ISourceRoot) { projectname = ((ISourceRoot) obj).getCProject().toString(); containerText.setText(((ISourceRoot) obj).getPath().toString()); } if (obj instanceof ICElement) { projectname = ((ICElement) obj).getElementName(); containerText.setText(((ICElement) obj).getPath().toString()); } } if (obj == null || projectname == null) { fileText.setText(filenamepre); return; } if (projectname.length() > 0) { fileText.setText(filenamepre + projectname); } } /** * Uses the standard container selection dialog to choose the new value for * the container field. */ private void handleBrowse() { ContainerSelectionDialog dialog = new ContainerSelectionDialog(getShell(), ResourcesPlugin.getWorkspace().getRoot(), false, "Select new file container"); if (dialog.open() == ContainerSelectionDialog.OK) { Object[] result = dialog.getResult(); if (result.length == 1) { containerText.setText(((Path) result[0]).toString()); } } } /** * Ensures that both text fields are set. */ private void dialogChanged(boolean aConNameChangeFlag) { IResource container = ResourcesPlugin.getWorkspace().getRoot().findMember(new Path(getContainerName())); String fileName = getNoExtFileName(); String projectname = null; if (getContainerName().length() == 0) { updateStatus("File container must be specified or wrong file container"); return; } if (container == null || (container.getType() & (IResource.PROJECT | IResource.FOLDER)) == 0) { updateStatus("File container must exist"); return; } if (!container.isAccessible()) { updateStatus("Project must be writable"); return; } if (fileName.length() == 0) { updateStatus("File name must be specified"); return; } if (fileName.replace('\\', '/').indexOf('/', 1) > 0) { updateStatus("File name must be valid"); return; } int dotLoc = fileName.indexOf("."); if (dotLoc != -1) { updateStatus("File name must be valid"); return; } projectname = container.getProject().getName(); if (aConNameChangeFlag == true) { if (fileName.compareTo(filenamepre + projectname) != 0) { fileName = filenamepre + projectname; fileText.setText(filenamepre + projectname); } } File file = new File(container.getLocation().append(fileName).toString() + ".ini"); if (file.exists()) { updateStatus("File already exist"); return; } updateStatus(null); } /** * Updates progress status * @param message progress message */ private void updateStatus(String message) { setErrorMessage(message); setPageComplete(message == null); } /** * Gets container name * @return container name */ public String getContainerName() { return containerText.getText(); } /** * Gets file name * @return file name */ public String getFileName() { return fileText.getText() + ".ini"; } public String getNoExtFileName() { return fileText.getText(); } public void pageChanged(PageChangedEvent ev) { if (ev.getSelectedPage() instanceof NewStifConfigWizardPage) { containerText.setFocus(); } } }