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 the License "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.carbide.cpp.internal.project.ui.wizards; import com.nokia.carbide.cpp.internal.project.ui.ProjectUIHelpIds; import org.eclipse.cdt.core.model.ICElement; 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.core.runtime.Platform; import org.eclipse.jface.dialogs.IDialogPage; import org.eclipse.jface.viewers.ISelection; import org.eclipse.jface.viewers.IStructuredSelection; 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; /** * 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 (mmp). */ public class MMPWizardPage extends WizardPage { private Text containerText; private Text fileText; private Button browseButton; private Button isTestCheck; private ISelection selection; private boolean isTest; /** * Constructor for SampleNewWizardPage. * * @param pageName */ public MMPWizardPage(ISelection selection, boolean isTest) { super("wizardPage"); //$NON-NLS-1$ this.selection = selection; this.isTest = isTest; setTitle(Messages.getString("MMPWizardPage.wizardTitle")); //$NON-NLS-1$ setDescription(Messages.getString("MMPWizardPage.wizardDescription")); //$NON-NLS-1$ } /** * @see IDialogPage#createControl(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(Messages.getString("MMPWizardPage.folderLabel")); //$NON-NLS-1$ containerText = new Text(container, SWT.BORDER | SWT.SINGLE); GridData gd = new GridData(GridData.FILL_HORIZONTAL); containerText.setLayoutData(gd); if (selection instanceof IStructuredSelection) { IStructuredSelection ss = (IStructuredSelection) selection; Object element = ss.getFirstElement(); IContainer selectedContainer = null; if (element != null) { selectedContainer = (IContainer) Platform.getAdapterManager().getAdapter(element, IContainer.class); } if (selectedContainer != null) { containerText.setText(selectedContainer.toString()); } else if (element instanceof ICElement) { ICElement ce = (ICElement) element; IResource resource = ce.getResource(); if (resource instanceof IContainer) { containerText.setText(resource.getFullPath().toString()); } } } containerText.addModifyListener(new ModifyListener() { public void modifyText(ModifyEvent e) { dialogChanged(); } }); browseButton = new Button(container, SWT.PUSH); browseButton.setText(Messages.getString("MMPWizardPage.browseButton")); //$NON-NLS-1$ browseButton.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { handleBrowse(); } }); label = new Label(container, SWT.NULL); label.setText(Messages.getString("MMPWizardPage.fileNameLabel")); //$NON-NLS-1$ fileText = new Text(container, SWT.BORDER | SWT.SINGLE); gd = new GridData(GridData.FILL_HORIZONTAL); gd.horizontalSpan = 2; fileText.setLayoutData(gd); fileText.addModifyListener(new ModifyListener() { public void modifyText(ModifyEvent e) { dialogChanged(); } }); isTestCheck = new Button(container, SWT.CHECK); isTestCheck.setText(Messages.getString("MMPWizardPage.testLabel")); //$NON-NLS-1$ gd = new GridData(GridData.FILL_HORIZONTAL); gd.horizontalSpan = 3; isTestCheck.setLayoutData(gd); isTestCheck.setSelection(isTest); initialize(); dialogChanged(); setControl(container); } /** * Tests if the current workbench selection is a suitable container to use. */ private void initialize() { if (selection != null && selection.isEmpty() == false && selection instanceof IStructuredSelection) { IStructuredSelection ssel = (IStructuredSelection) selection; if (ssel.size() > 1) return; Object obj = ssel.getFirstElement(); if (obj instanceof IResource) { IContainer container; if (obj instanceof IContainer) container = (IContainer) obj; else container = ((IResource) obj).getParent(); containerText.setText(container.getFullPath().toString()); } } fileText.setText(Messages.getString("MMPWizardPage.defaultMMPName")); //$NON-NLS-1$ } /** * 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, Messages.getString("MMPWizardPage.selectFolderTitle")); //$NON-NLS-1$ 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() { IResource container = ResourcesPlugin.getWorkspace().getRoot().findMember(new Path(getContainerName())); String fileName = getFileName(); if (getContainerName().length() == 0) { updateStatus(Messages.getString("MMPWizardPage.missingFolderStatus")); //$NON-NLS-1$ return; } if (container == null || (container.getType() & (IResource.PROJECT | IResource.FOLDER)) == 0) { updateStatus(Messages.getString("MMPWizardPage.folderDoesntExistStatus")); //$NON-NLS-1$ return; } if (!container.isAccessible()) { updateStatus(Messages.getString("MMPWizardPage.nonWriteableProjectStatus")); //$NON-NLS-1$ return; } if (fileName.length() == 0) { updateStatus(Messages.getString("MMPWizardPage.noFileNameStatus")); //$NON-NLS-1$ return; } if (fileName.replace('\\', '/').indexOf('/', 1) > 0) { updateStatus(Messages.getString("MMPWizardPage.invalidFileNameStatus")); //$NON-NLS-1$ return; } int dotLoc = fileName.lastIndexOf('.'); if (dotLoc != -1) { String ext = fileName.substring(dotLoc + 1); if (ext.equalsIgnoreCase("mmp") == false) { //$NON-NLS-1$ updateStatus(Messages.getString("MMPWizardPage.wrongExtensionStatus")); //$NON-NLS-1$ return; } } updateStatus(null); } private void updateStatus(String message) { setErrorMessage(message); setPageComplete(message == null); } public String getContainerName() { return containerText.getText(); } public String getFileName() { return fileText.getText(); } public boolean isTest() { return isTestCheck.getSelection(); } @Override public void performHelp() { PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl().getShell(), ProjectUIHelpIds.MMP_WIZARD_PAGE); } public Text getContainerText() { return containerText; } public Text getFileNameText() { return fileText; } public Button getBrowseButton() { return browseButton; } public Button getTestMMPButton() { return isTestCheck; } }