jsf/plugins/org.eclipse.jst.jsf.facesconfig.ui/src/org/eclipse/jst/jsf/facesconfig/ui/wizard/ManagedBeanClassSelectionPage.java - jsf/webtools.jsf - Git at Google

 /*******************************************************************************
  * Copyright (c) 2004, 2005 Sybase, Inc. 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: Sybase,
  * Inc. - initial API and implementation
  ******************************************************************************/

 package org.eclipse.jst.jsf.facesconfig.ui.wizard;

 import org.eclipse.core.resources.IProject;
 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.core.runtime.Status;
 import org.eclipse.jdt.core.IType;
 import org.eclipse.jdt.core.JavaConventions;
 import org.eclipse.jdt.core.JavaCore;
 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.wizard.WizardPage;
 import org.eclipse.jst.jsf.common.ui.internal.dialogfield.ClassButtonDialogField;
 import org.eclipse.jst.jsf.common.ui.internal.dialogfield.DialogField;
 import org.eclipse.jst.jsf.common.ui.internal.dialogfield.IDialogFieldChangeListener;
 import org.eclipse.jst.jsf.common.ui.internal.dialogfield.LayoutUtil;
 import org.eclipse.jst.jsf.facesconfig.ui.EditorPlugin;
 import org.eclipse.jst.jsf.facesconfig.ui.util.JavaClassUtils;
 import org.eclipse.osgi.util.NLS;
 import org.eclipse.swt.SWT;
 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.Group;
 import org.eclipse.swt.widgets.Label;

 /**
  * This class used to select an existing java class or generate a new one.
  * However, the actural generated new java class is left to other pages.
  *
  * @author Xiao-guang Zhang
  */
 public class ManagedBeanClassSelectionPage extends WizardPage {
 	private static final int HORIZONTAL_INDENT_DEFAULT = 25;

 	/** the class name */
 	private String className;

 	/**
 	 * Search Section, including radio button, label, text and browser button.
 	 */
 	private Button searchRadioButton;

 	private ClassButtonDialogField classSearchDialogField;

 	/** selected type */
 	private IType searchedType;

 	/** Generate radio button */
 	private Button createRadioButton;

 	private IProject currentProject;

 	/**
 	 * Constructor.
 	 *
 	 * @param project
 	 *            The project.
 	 */
 	public ManagedBeanClassSelectionPage(IProject project) {
 		super("JavaSelectionWizardPage"); //$NON-NLS-1$

 		currentProject = project;
 		setTitle(WizardMessages.JavaSelectionWizardPage_Title);
 		setDescription(WizardMessages.JavaSelectionWizardPage_Description);
 	}

 	/*
 	 * (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();
 		layout.marginWidth = 10;
 		layout.marginHeight = 5;
 		container.setLayout(layout);
 		container.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

 		final Group group = new Group(container, SWT.NONE);

 		group.setLayout(new GridLayout());

 		group.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

 		createSearchSection(group);
 		createGenerateSection(group);

 		setControl(container);
 		Dialog.applyDialogFont(container);
 		setPageComplete(classSearchDialogField.getText().length() > 0);
 		EditorPlugin.getDefault().getWorkbench().getHelpSystem().setHelp(
 				container,
 				WizardMessages.JavaSelectionWizardPage_HelpContextID);
 	}

 	/**
 	 * enabled or disabled the search section including the labels and texts
 	 *
 	 * @param enabled -
 	 *            enabled or disabled the search section
 	 */
 	private void enableSearchSection(boolean enabled) {
 		classSearchDialogField.setEnabled(enabled);
 	}

 	/**
 	 * Create the search section including the labels, texts, and browser
 	 * buttons
 	 *
 	 * @param parent -
 	 *            parent composite control
 	 */
 	private void createSearchSection(Composite parent) {
 		searchRadioButton = new Button(parent, SWT.RADIO);
 		// JavaSelectionWizardPage.Search = Using an existing Java class
 		searchRadioButton
 				.setText(WizardMessages.JavaSelectionWizardPage_Search);
 		searchRadioButton.setSelection(true);
 		searchRadioButton.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				createRadioButton.setSelection(!searchRadioButton
 						.getSelection());
 				enableSearchSection(searchRadioButton.getSelection());
 				verifyComplete();
 			}
 		});

 		Composite searchSection = new Composite(parent, SWT.NULL);

 		classSearchDialogField = new ClassButtonDialogField(currentProject);
 		classSearchDialogField.setHyperLink(null);
 		int numberOfControls = classSearchDialogField.getNumberOfControls();

 		GridLayout layout = new GridLayout();
 		layout.numColumns = numberOfControls;
 		layout.verticalSpacing = 9;
 		searchSection.setLayout(layout);
 		searchSection.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

 		classSearchDialogField.doFillIntoGrid(null, searchSection,
 				numberOfControls);

 		GridData gd = (GridData) classSearchDialogField.getLabelControl(null,
 				searchSection).getLayoutData();
 		gd.horizontalIndent = HORIZONTAL_INDENT_DEFAULT;

 		// JavaSelectionWizardPage.Search.ClassName = Qulified class name:
 		classSearchDialogField
 				.setLabelText(WizardMessages.JavaSelectionWizardPage_Search_ClassName);

 		LayoutUtil.setHorizontalGrabbing(classSearchDialogField.getTextControl(
 				null, searchSection));

 		classSearchDialogField
 				.setDialogFieldChangeListener(new IDialogFieldChangeListener() {
 					public void dialogFieldChanged(DialogField field) {
 						className = classSearchDialogField.getText();
 						verifyComplete();
 					}

 				});

 		Label searchDesp = new Label(searchSection, SWT.NONE);
 		searchDesp
 				.setText(WizardMessages.JavaSelectionWizardPage_Search_Description);

 		gd = new GridData();
 		gd.horizontalSpan = numberOfControls;
 		gd.horizontalIndent = HORIZONTAL_INDENT_DEFAULT;
 		searchDesp.setLayoutData(gd);
 	}

 	/**
 	 * Create the generation section including the labels, texts, and browser
 	 * buttons
 	 *
 	 * @param parent -
 	 *            parent composite control
 	 */
 	private void createGenerateSection(Composite parent) {
 		createRadioButton = new Button(parent, SWT.RADIO);
 		createRadioButton
 				.setText(WizardMessages.JavaSelectionWizardPage_Create);
 		createRadioButton.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				searchRadioButton.setSelection(!createRadioButton
 						.getSelection());
 				enableSearchSection(!createRadioButton.getSelection());
 				verifyComplete();
 			}
 		});

 		Composite createSection = new Composite(parent, SWT.NULL);
 		GridLayout layout = new GridLayout();
 		layout.numColumns = 3;
 		layout.verticalSpacing = 9;
 		createSection.setLayout(layout);
 		createSection.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

 		Label createDesp = new Label(createSection, SWT.NONE);
 		createDesp
 				.setText(WizardMessages.JavaSelectionWizardPage_Create_Description);

 		GridData gd = new GridData();
 		gd.horizontalIndent = HORIZONTAL_INDENT_DEFAULT;
 		createDesp.setLayoutData(gd);
 	}

 	/**
 	 * create a new java class or not
 	 *
 	 * @return true if the create new java class radio button is selected
 	 */
 	public boolean isCreateNewJavaClass() {
 		return createRadioButton.getSelection();
 	}

 	/**
 	 * get the selected java type
 	 *
 	 * @return - type
 	 */
 	public IType getSelectedType() {
 		searchedType = JavaClassUtils.getType(currentProject,
 				classSearchDialogField.getText());

 		return searchedType;
 	}

 	/**
 	 * @return the class name
 	 */
 	public String getClassName() {
 		return className;
 	}

 	/**
 	 * validate the selected or input java type name
 	 *
 	 * @return
 	 */
 	private IStatus validateJavaTypeName() {
 		IStatus status = null;
 		if (classSearchDialogField.getText().length() == 0) {
 			status = new Status(
 					IStatus.ERROR,
 					EditorPlugin.getPluginId(),
 					-1,
 					NLS
 							.bind(
 									WizardMessages.JavaSelectionWizardPage_Error_ClassIsEmpty,
 									classSearchDialogField.getText()), null);
 		} else {
 			// ensure the name follows the java conventsions.
 			status = JavaConventions
 					    .validateJavaTypeName(classSearchDialogField.getText(), JavaCore.VERSION_1_3,JavaCore.VERSION_1_3);
 			if (status.getSeverity() != IStatus.ERROR) {
 				// ensure the input or selected type is defined in the current
 				// project
 				if (getSelectedType() == null) {
 					status = new Status(
 							IStatus.ERROR,
 							EditorPlugin.getPluginId(),
 							-1,
 							NLS
 									.bind(
 											WizardMessages.JavaSelectionWizardPage_Error_ClassIsNotDefined,
 											classSearchDialogField.getText()),
 							null);
 				}
 			}
 		}
 		return status;
 	}

 	/**
 	 * verify and update the complete status
 	 */
 	private void verifyComplete() {
 		IStatus status = null;

 		if (isCreateNewJavaClass()) {
 			setPageComplete(true);
 			setMessage(null);
 			setErrorMessage(null);
 		} else {
 			if (searchRadioButton.getSelection()) {
 				status = validateJavaTypeName();
 			}
 			String errorMessage = null;
 			setPageComplete(status.getSeverity() != IStatus.ERROR);

 			if (status.getSeverity() == IStatus.ERROR) {
 				errorMessage = status.getMessage();
 			}

 			if (errorMessage != null) {
 				setErrorMessage(errorMessage);
 			} else {
 				setErrorMessage(null);
 			}

 			if (status.getSeverity() != IStatus.OK) {
 				setMessage(status.getMessage());
 			} else {
 				setMessage(null);
 			}
 		}
 	}

 }
	/*******************************************************************************
	* Copyright (c) 2004, 2005 Sybase, Inc. 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: Sybase,
	* Inc. - initial API and implementation
	******************************************************************************/

	package org.eclipse.jst.jsf.facesconfig.ui.wizard;

	import org.eclipse.core.resources.IProject;
	import org.eclipse.core.runtime.IStatus;
	import org.eclipse.core.runtime.Status;
	import org.eclipse.jdt.core.IType;
	import org.eclipse.jdt.core.JavaConventions;
	import org.eclipse.jdt.core.JavaCore;
	import org.eclipse.jface.dialogs.Dialog;
	import org.eclipse.jface.wizard.WizardPage;
	import org.eclipse.jst.jsf.common.ui.internal.dialogfield.ClassButtonDialogField;
	import org.eclipse.jst.jsf.common.ui.internal.dialogfield.DialogField;
	import org.eclipse.jst.jsf.common.ui.internal.dialogfield.IDialogFieldChangeListener;
	import org.eclipse.jst.jsf.common.ui.internal.dialogfield.LayoutUtil;
	import org.eclipse.jst.jsf.facesconfig.ui.EditorPlugin;
	import org.eclipse.jst.jsf.facesconfig.ui.util.JavaClassUtils;
	import org.eclipse.osgi.util.NLS;
	import org.eclipse.swt.SWT;
	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.Group;
	import org.eclipse.swt.widgets.Label;

	/**
	* This class used to select an existing java class or generate a new one.
	* However, the actural generated new java class is left to other pages.
	*
	* @author Xiao-guang Zhang
	*/
	public class ManagedBeanClassSelectionPage extends WizardPage {
	private static final int HORIZONTAL_INDENT_DEFAULT = 25;

	/** the class name */
	private String className;

	/**
	* Search Section, including radio button, label, text and browser button.
	*/
	private Button searchRadioButton;

	private ClassButtonDialogField classSearchDialogField;

	/** selected type */
	private IType searchedType;

	/** Generate radio button */
	private Button createRadioButton;

	private IProject currentProject;

	/**
	* Constructor.
	*
	* @param project
	* The project.
	*/
	public ManagedBeanClassSelectionPage(IProject project) {
	super("JavaSelectionWizardPage"); //$NON-NLS-1$

	currentProject = project;
	setTitle(WizardMessages.JavaSelectionWizardPage_Title);
	setDescription(WizardMessages.JavaSelectionWizardPage_Description);
	}

	/*
	* (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();
	layout.marginWidth = 10;
	layout.marginHeight = 5;
	container.setLayout(layout);
	container.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

	final Group group = new Group(container, SWT.NONE);

	group.setLayout(new GridLayout());

	group.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

	createSearchSection(group);
	createGenerateSection(group);

	setControl(container);
	Dialog.applyDialogFont(container);
	setPageComplete(classSearchDialogField.getText().length() > 0);
	EditorPlugin.getDefault().getWorkbench().getHelpSystem().setHelp(
	container,
	WizardMessages.JavaSelectionWizardPage_HelpContextID);
	}

	/**
	* enabled or disabled the search section including the labels and texts
	*
	* @param enabled -
	* enabled or disabled the search section
	*/
	private void enableSearchSection(boolean enabled) {
	classSearchDialogField.setEnabled(enabled);
	}

	/**
	* Create the search section including the labels, texts, and browser
	* buttons
	*
	* @param parent -
	* parent composite control
	*/
	private void createSearchSection(Composite parent) {
	searchRadioButton = new Button(parent, SWT.RADIO);
	// JavaSelectionWizardPage.Search = Using an existing Java class
	searchRadioButton
	.setText(WizardMessages.JavaSelectionWizardPage_Search);
	searchRadioButton.setSelection(true);
	searchRadioButton.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	createRadioButton.setSelection(!searchRadioButton
	.getSelection());
	enableSearchSection(searchRadioButton.getSelection());
	verifyComplete();
	}
	});

	Composite searchSection = new Composite(parent, SWT.NULL);

	classSearchDialogField = new ClassButtonDialogField(currentProject);
	classSearchDialogField.setHyperLink(null);
	int numberOfControls = classSearchDialogField.getNumberOfControls();

	GridLayout layout = new GridLayout();
	layout.numColumns = numberOfControls;
	layout.verticalSpacing = 9;
	searchSection.setLayout(layout);
	searchSection.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

	classSearchDialogField.doFillIntoGrid(null, searchSection,
	numberOfControls);

	GridData gd = (GridData) classSearchDialogField.getLabelControl(null,
	searchSection).getLayoutData();
	gd.horizontalIndent = HORIZONTAL_INDENT_DEFAULT;

	// JavaSelectionWizardPage.Search.ClassName = Qulified class name:
	classSearchDialogField
	.setLabelText(WizardMessages.JavaSelectionWizardPage_Search_ClassName);

	LayoutUtil.setHorizontalGrabbing(classSearchDialogField.getTextControl(
	null, searchSection));

	classSearchDialogField
	.setDialogFieldChangeListener(new IDialogFieldChangeListener() {
	public void dialogFieldChanged(DialogField field) {
	className = classSearchDialogField.getText();
	verifyComplete();
	}

	});

	Label searchDesp = new Label(searchSection, SWT.NONE);
	searchDesp
	.setText(WizardMessages.JavaSelectionWizardPage_Search_Description);

	gd = new GridData();
	gd.horizontalSpan = numberOfControls;
	gd.horizontalIndent = HORIZONTAL_INDENT_DEFAULT;
	searchDesp.setLayoutData(gd);
	}

	/**
	* Create the generation section including the labels, texts, and browser
	* buttons
	*
	* @param parent -
	* parent composite control
	*/
	private void createGenerateSection(Composite parent) {
	createRadioButton = new Button(parent, SWT.RADIO);
	createRadioButton
	.setText(WizardMessages.JavaSelectionWizardPage_Create);
	createRadioButton.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	searchRadioButton.setSelection(!createRadioButton
	.getSelection());
	enableSearchSection(!createRadioButton.getSelection());
	verifyComplete();
	}
	});

	Composite createSection = new Composite(parent, SWT.NULL);
	GridLayout layout = new GridLayout();
	layout.numColumns = 3;
	layout.verticalSpacing = 9;
	createSection.setLayout(layout);
	createSection.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

	Label createDesp = new Label(createSection, SWT.NONE);
	createDesp
	.setText(WizardMessages.JavaSelectionWizardPage_Create_Description);

	GridData gd = new GridData();
	gd.horizontalIndent = HORIZONTAL_INDENT_DEFAULT;
	createDesp.setLayoutData(gd);
	}

	/**
	* create a new java class or not
	*
	* @return true if the create new java class radio button is selected
	*/
	public boolean isCreateNewJavaClass() {
	return createRadioButton.getSelection();
	}

	/**
	* get the selected java type
	*
	* @return - type
	*/
	public IType getSelectedType() {
	searchedType = JavaClassUtils.getType(currentProject,
	classSearchDialogField.getText());

	return searchedType;
	}

	/**
	* @return the class name
	*/
	public String getClassName() {
	return className;
	}

	/**
	* validate the selected or input java type name
	*
	* @return
	*/
	private IStatus validateJavaTypeName() {
	IStatus status = null;
	if (classSearchDialogField.getText().length() == 0) {
	status = new Status(
	IStatus.ERROR,
	EditorPlugin.getPluginId(),
	-1,
	NLS
	.bind(
	WizardMessages.JavaSelectionWizardPage_Error_ClassIsEmpty,
	classSearchDialogField.getText()), null);
	} else {
	// ensure the name follows the java conventsions.
	status = JavaConventions
	.validateJavaTypeName(classSearchDialogField.getText(), JavaCore.VERSION_1_3,JavaCore.VERSION_1_3);
	if (status.getSeverity() != IStatus.ERROR) {
	// ensure the input or selected type is defined in the current
	// project
	if (getSelectedType() == null) {
	status = new Status(
	IStatus.ERROR,
	EditorPlugin.getPluginId(),
	-1,
	NLS
	.bind(
	WizardMessages.JavaSelectionWizardPage_Error_ClassIsNotDefined,
	classSearchDialogField.getText()),
	null);
	}
	}
	}
	return status;
	}

	/**
	* verify and update the complete status
	*/
	private void verifyComplete() {
	IStatus status = null;

	if (isCreateNewJavaClass()) {
	setPageComplete(true);
	setMessage(null);
	setErrorMessage(null);
	} else {
	if (searchRadioButton.getSelection()) {
	status = validateJavaTypeName();
	}
	String errorMessage = null;
	setPageComplete(status.getSeverity() != IStatus.ERROR);

	if (status.getSeverity() == IStatus.ERROR) {
	errorMessage = status.getMessage();
	}

	if (errorMessage != null) {
	setErrorMessage(errorMessage);
	} else {
	setErrorMessage(null);
	}

	if (status.getSeverity() != IStatus.OK) {
	setMessage(status.getMessage());
	} else {
	setMessage(null);
	}
	}
	}

	}