jsf/plugins/org.eclipse.jst.jsf.ui/src/org/eclipse/jst/jsf/ui/internal/project/facet/JSFFacetInstallPage.java - jsf/webtools.jsf - Git at Google

 /*******************************************************************************
  * Copyright (c) 2005 Oracle Corporation.
  * 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:
  *    Gerry Kessler - initial API and implementation
  *******************************************************************************/
 package org.eclipse.jst.jsf.ui.internal.project.facet;

 import java.util.ArrayList;
 import java.util.Iterator;

 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.jface.dialogs.DialogSettings;
 import org.eclipse.jface.dialogs.IDialogSettings;
 import org.eclipse.jface.dialogs.IInputValidator;
 import org.eclipse.jface.dialogs.InputDialog;
 import org.eclipse.jface.window.Window;
 import org.eclipse.jst.j2ee.project.facet.IJ2EEModuleFacetInstallDataModelProperties;
 import org.eclipse.jst.jsf.core.internal.jsflibraryconfig.JSFLibraryConfigDialogSettingData;
 import org.eclipse.jst.jsf.core.internal.jsflibraryconfig.JSFLibraryConfiglModelSource;
 import org.eclipse.jst.jsf.core.internal.jsflibraryconfig.JSFLibraryReference;
 import org.eclipse.jst.jsf.core.internal.project.facet.IJSFFacetInstallDataModelProperties;
 import org.eclipse.jst.jsf.ui.internal.JSFUiPlugin;
 import org.eclipse.jst.jsf.ui.internal.Messages;
 import org.eclipse.jst.jsf.ui.internal.jsflibraryconfig.JSFLibraryConfigControlChangeEvent;
 import org.eclipse.jst.jsf.ui.internal.jsflibraryconfig.JSFLibraryConfigControlChangeListener;
 import org.eclipse.jst.jsf.ui.internal.jsflibraryconfig.IJSFImplLibraryCreationListener;
 import org.eclipse.jst.jsf.ui.internal.jsflibraryconfig.JSFImplLibraryCreationEvent;
 import org.eclipse.jst.jsf.ui.internal.jsflibraryconfig.JSFLibraryConfigControl;
 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.Label;
 import org.eclipse.swt.widgets.List;
 import org.eclipse.swt.widgets.Text;
 import org.eclipse.wst.common.frameworks.datamodel.AbstractDataModelProvider;
 import org.eclipse.wst.common.frameworks.datamodel.DataModelEvent;
 import org.eclipse.wst.common.frameworks.datamodel.DataModelFactory;
 import org.eclipse.wst.common.frameworks.datamodel.IDataModel;
 import org.eclipse.wst.common.frameworks.internal.datamodel.ui.DataModelWizardPage;
 import org.eclipse.wst.common.project.facet.core.IFacetedProject;
 import org.eclipse.wst.common.project.facet.core.IProjectFacetVersion;
 import org.eclipse.wst.common.project.facet.ui.IFacetWizardPage;
 import org.eclipse.wst.common.project.facet.ui.IWizardContext;

 /**
  * JSF Facet installation wizard page.
  *
  * @author Gerry Kessler - Oracle
  */
 public class JSFFacetInstallPage extends DataModelWizardPage implements
 		IJSFFacetInstallDataModelProperties, IFacetWizardPage {
 	// UI
 	private Label lblJSFImpl;
 	private Label lblJSFConfig;
 	private Text txtJSFConfig;
 	private Label lblJSFServletName;
 	private Text txtJSFServletName;
 	private Label lblJSFServletClassName;
 	private Text txtJSFServletClassName;
 	private Label lblJSFServletURLPatterns;
 	private List lstJSFServletURLPatterns;
 	private Button btnAddPattern;
 	private Button btnRemovePattern;

 	private IDialogSettings dialogSettings;
 	private IDataModel webAppDataModel;
 	private static final String SETTINGS_ROOT = JSFUiPlugin.PLUGIN_ID
 			+ ".jsfFacetInstall"; //$NON-NLS-1$
 	private static final String SETTINGS_CONFIG = "configPath"; //$NON-NLS-1$
 	private static final String SETTINGS_SERVLET = "servletName"; //$NON-NLS-1$
 	private static final String SETTINGS_SERVLET_CLASSNAME = "servletClassname"; //$NON-NLS-1$
 	private static final String SETTINGS_URL_MAPPINGS = "urlMappings"; //$NON-NLS-1$
 	private static final String SETTINGS_URL_PATTERN = "pattern"; //$NON-NLS-1$
 	private static final String SETTINGS_DEPLOY_IMPL = "deployImplementation"; //$NON-NLS-1$
 	private static final String SETTINGS_COMPLIB = "selectedComponent"; //$NON-NLS-1$
 	private static final String SETTINGS_COMPLIB_SELECT_DEPLOY = "selectdeploycomplib"; //$NON-NLS-1$

 	private static final String SEPARATOR = ":"; //$NON-NLS-1$

 	private JSFLibraryConfigControl jsfLibCfgComp = null;
 	// private String projectName = null;
 	private Composite composite = null;

 	/**
 	 * Zero argument constructor
 	 */
 	public JSFFacetInstallPage() {
 		// FIXME: following WebFacetInstallPage pattern which will be fixed at
 		// somepoint
 		super(DataModelFactory.createDataModel(new AbstractDataModelProvider() {/*
 																				 * do
 																				 * nothing
 																				 */
 		}), "jsf.facet.install.page"); //$NON-NLS-1$
 		setTitle(Messages.JSFFacetInstallPage_title);
 		setDescription(Messages.JSFFacetInstallPage_description);
 		dialogSettings = JSFUiPlugin.getDefault().getDialogSettings();

 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see org.eclipse.wst.common.frameworks.internal.datamodel.ui.DataModelWizardPage#createTopLevelComposite(org.eclipse.swt.widgets.Composite)
 	 */
 	protected Composite createTopLevelComposite(final Composite parent) {
 		initializeDialogUnits(parent);
 		composite = new Composite(parent, SWT.NONE);
 		final GridLayout jsfCompositeLayout = new GridLayout(3, false);
 		jsfCompositeLayout.marginLeft = 0;
 		composite.setLayout(jsfCompositeLayout);

 		lblJSFImpl = new Label(composite, SWT.None);
 		lblJSFImpl.setLayoutData(new GridData(GridData.BEGINNING,
 				GridData.BEGINNING, false, false));
 		lblJSFImpl.setText(Messages.JSFFacetInstallPage_JSFLibraryLabel0);

 		((GridLayout) composite.getLayout()).marginLeft = 0;

 		jsfLibCfgComp = new JSFLibraryConfigControl(composite, SWT.NONE);
 		jsfLibCfgComp
 				.addOkClickedListener(new IJSFImplLibraryCreationListener() {
 					public void okClicked(JSFImplLibraryCreationEvent event) {
 						if (event.isLibraryCreated()) {
 							validatePage();
 						}
 					}
 				});

 		jsfLibCfgComp.addChangeListener( new JSFLibraryConfigControlChangeListener(){

 			public void changed(JSFLibraryConfigControlChangeEvent e) {
 				validatePage();
 			}

 		});
 		GridData gd_comp = new GridData(GridData.FILL, GridData.FILL, true,
 				true);
 		gd_comp.horizontalSpan = 2;
 		((GridLayout) jsfLibCfgComp.getLayout()).marginLeft = 0;
 		jsfLibCfgComp.setLayoutData(gd_comp);

 		lblJSFConfig = new Label(composite, SWT.NONE);
 		lblJSFConfig.setText(Messages.JSFFacetInstallPage_JSFConfigLabel);
 		lblJSFConfig.setLayoutData(new GridData(GridData.BEGINNING));

 		txtJSFConfig = new Text(composite, SWT.BORDER);
 		GridData gd1 = new GridData(GridData.FILL_HORIZONTAL);
 		gd1.horizontalSpan = 2;
 		txtJSFConfig.setLayoutData(gd1);

 		lblJSFServletName = new Label(composite, SWT.NONE);
 		lblJSFServletName
 				.setText(Messages.JSFFacetInstallPage_JSFServletNameLabel);
 		lblJSFServletName.setLayoutData(new GridData(GridData.BEGINNING));

 		txtJSFServletName = new Text(composite, SWT.BORDER);
 		GridData gd2 = new GridData(GridData.FILL_HORIZONTAL);
 		gd2.horizontalSpan = 2;
 		txtJSFServletName.setLayoutData(gd2);

 		lblJSFServletClassName = new Label(composite, SWT.NONE);
 		lblJSFServletClassName
 				.setText(Messages.JSFFacetInstallPage_JSFServletClassNameLabel);
 		lblJSFServletClassName.setLayoutData(new GridData(GridData.BEGINNING));

 		txtJSFServletClassName = new Text(composite, SWT.BORDER);
 		GridData gd2c = new GridData(GridData.FILL_HORIZONTAL);
 		gd2c.horizontalSpan = 2;
 		txtJSFServletClassName.setLayoutData(gd2c);

 		lblJSFServletURLPatterns = new Label(composite, SWT.NULL);
 		lblJSFServletURLPatterns
 				.setText(Messages.JSFFacetInstallPage_JSFURLMappingLabel);
 		lblJSFServletURLPatterns.setLayoutData(new GridData(GridData.BEGINNING
 				| GridData.VERTICAL_ALIGN_BEGINNING));
 		lstJSFServletURLPatterns = new List(composite, SWT.BORDER);
 		GridData gd3 = new GridData(GridData.FILL_HORIZONTAL);
 		gd3.heightHint = convertHeightInCharsToPixels(5);
 		lstJSFServletURLPatterns.setLayoutData(gd3);
 		lstJSFServletURLPatterns.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				btnRemovePattern.setEnabled(lstJSFServletURLPatterns
 						.getSelectionCount() > 0);
 			}
 		});

 		Composite btnComposite = new Composite(composite, SWT.NONE);
 		GridLayout gl = new GridLayout(1, false);
 		// gl.marginBottom = 0;
 		// gl.marginTop = 0;
 		// gl.marginRight = 0;
 		gl.marginLeft = 0;
 		btnComposite.setLayout(gl);
 		btnComposite.setLayoutData(new GridData(GridData.END
 				| GridData.VERTICAL_ALIGN_FILL));

 		btnAddPattern = new Button(btnComposite, SWT.NONE);
 		btnAddPattern.setText(Messages.JSFFacetInstallPage_Add2);
 		btnAddPattern.setLayoutData(new GridData(GridData.FILL_HORIZONTAL
 				| GridData.VERTICAL_ALIGN_BEGINNING));
 		btnAddPattern.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				InputDialog dialog = new InputDialog(getShell(),
 						Messages.JSFFacetInstallPage_PatternDialogTitle,
 						Messages.JSFFacetInstallPage_PatternDialogDesc, null,
 						new IInputValidator() {

 							public String isValid(String newText) {
 								return isValidPattern(newText);
 							}

 						});
 				dialog.open();
 				if (dialog.getReturnCode() == Window.OK) {
 					addItemToList(dialog.getValue(), true);
 				}
 			}
 		});

 		btnRemovePattern = new Button(btnComposite, SWT.NONE);
 		btnRemovePattern.setText(Messages.JSFFacetInstallPage_Remove);
 		btnRemovePattern.setLayoutData(new GridData(GridData.FILL_HORIZONTAL
 				| GridData.VERTICAL_ALIGN_BEGINNING));
 		btnRemovePattern.setEnabled(false);
 		btnRemovePattern.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				removeItemFromList(lstJSFServletURLPatterns.getSelection());
 				btnRemovePattern.setEnabled(false);
 			}
 		});

 		addModificationListeners();

 		this.getContainer().getShell().pack();

 		return composite;
 	}

 	private void initializeValues() {
 		IDialogSettings root = dialogSettings.getSection(SETTINGS_ROOT);

 		initJSFCfgCtrlValues(root);

 		String conf = null;
 		if (root != null)
 			conf = root.get(SETTINGS_CONFIG);
 		if (conf == null || conf.equals("")) { //$NON-NLS-1$
 			conf = (String) model
 					.getDefaultProperty(IJSFFacetInstallDataModelProperties.CONFIG_PATH);
 		}
 		txtJSFConfig.setText(conf);

 		String servletName = null;
 		if (root != null)
 			servletName = root.get(SETTINGS_SERVLET);
 		if (servletName == null || servletName.equals("")) { //$NON-NLS-1$
 			servletName = (String) model
 					.getDefaultProperty(IJSFFacetInstallDataModelProperties.SERVLET_NAME);
 		}
 		txtJSFServletName.setText(servletName);

 		String servletClassname = null;
 		if (root != null)
 			servletClassname = root.get(SETTINGS_SERVLET_CLASSNAME);
 		if (servletClassname == null || servletClassname.equals("")) { //$NON-NLS-1$
 			servletClassname = (String) model
 					.getDefaultProperty(IJSFFacetInstallDataModelProperties.SERVLET_CLASSNAME);
 		}
 		txtJSFServletClassName.setText(servletClassname);

 		loadURLMappingPatterns(root);
 	}

 	private void initJSFCfgCtrlValues(IDialogSettings root) {
 		String deployImpl = null;
 		if (root != null) {
 			deployImpl = root.get(SETTINGS_DEPLOY_IMPL);
 		}
 		if (deployImpl == null || deployImpl.equals("")) { //$NON-NLS-1$
 			deployImpl = ((Boolean) model
 					.getDefaultProperty(IJSFFacetInstallDataModelProperties.DEPLOY_IMPLEMENTATION))
 					.toString();
 		}

 		IDialogSettings complibs = null;
 		if (root != null) {
 			complibs = root.getSection(SETTINGS_COMPLIB);
 		}

 		String[] selection = null;
 		if (complibs != null) {
 			selection = complibs.getArray(SETTINGS_COMPLIB_SELECT_DEPLOY);
 		}

 		JSFLibraryConfiglModelSource source = new JSFLibraryConfigDialogSettingData(
 				Boolean.valueOf(deployImpl).booleanValue(), selection);
 		jsfLibCfgComp.loadControlValuesFromModel(source);
 	}


 	private void saveSettings() {
 		DialogSettings root = new DialogSettings(SETTINGS_ROOT);
 		dialogSettings.addSection(root);

 		root.put(SETTINGS_DEPLOY_IMPL, String.valueOf(getDeployJSFImpl()));
 		root.put(SETTINGS_CONFIG, getJSFConfig());
 		root.put(SETTINGS_SERVLET, getJSFServletName());
 		root.put(SETTINGS_SERVLET_CLASSNAME, getJSFServletClassname());
 		DialogSettings mappings = new DialogSettings(SETTINGS_URL_MAPPINGS);
 		root.addSection(mappings);
 		mappings.put(SETTINGS_URL_PATTERN, getJSFPatterns());

 		DialogSettings complibs = new DialogSettings(SETTINGS_COMPLIB);
 		root.addSection(complibs);
 		complibs.put(SETTINGS_COMPLIB_SELECT_DEPLOY, getCompLibSelections());
 	}

 	private boolean getDeployJSFImpl() {
 		if (jsfLibCfgComp.getSelectedJSFLibImplementation() == null) {
 			return false;
 		}
 		return jsfLibCfgComp.getSelectedJSFLibImplementation()
 				.isCheckedToBeDeployed();
 	}

 	private String getJSFConfig() {
 		return txtJSFConfig.getText().trim();
 	}

 	private String getJSFServletName() {
 		return txtJSFServletName.getText().trim();
 	}

 	private String getJSFServletClassname() {
 		return txtJSFServletClassName.getText().trim();
 	}

 	private String[] getJSFPatterns() {
 		return lstJSFServletURLPatterns.getItems();
 	}

 	private String[] getCompLibSelections() {
 		/*
 		 * Iterate thru the selected component libraries and return selected
 		 * component libraries and their deployment flags in a string array.
 		 */
 		JSFLibraryReference complib = null;
 		String str = null;
 		ArrayList al = new ArrayList();

 		java.util.List list = jsfLibCfgComp.getSelectedJSFLibComponents();
 		Iterator it = list.iterator();
 		while (it.hasNext()) {
 			complib = (JSFLibraryReference) it.next();
 			str = complib.getID() + SEPARATOR + complib.isCheckedToBeDeployed();
 			al.add(str);
 		}

 		return (String[]) al.toArray(new String[al.size()]);
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see org.eclipse.wst.common.project.facet.ui.IFacetWizardPage#setConfig(java.lang.Object)
 	 */
 	public void setConfig(Object config) {
 		model.removeListener(this);
 		synchHelper.dispose();

 		model = (IDataModel) config;
 		model.addListener(this);
 		synchHelper = initializeSynchHelper(model);
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see org.eclipse.wst.common.project.facet.ui.IFacetWizardPage#transferStateToConfig()
 	 */
 	public void transferStateToConfig() {
 		saveSettings(); // convenient place for this. don't want to save if user
 						// cancelled.
 		// do nothing else now. being handled by synchHelper
 		// config.setProperty(IJSFFacetInstallDataModelProperties.IMPLEMENTATION,
 		// getJSFImpl());
 //		model
 //				.setStringProperty(
 //						IJSFFacetInstallDataModelProperties.CONFIG_PATH,
 //						getJSFConfig());
 //		model.setStringProperty(
 //				IJSFFacetInstallDataModelProperties.SERVLET_NAME,
 //				getJSFServletName());
 		// config.setProperty(IJSFFacetInstallDataModelProperties.SERVLET_URL_PATTERNS,
 		// getJSFPatterns());

 //		java.util.List implLibs = new ArrayList();
 //		implLibs.add(jsfLibCfgComp.getSelectedJSFLibImplementation());
 //		java.util.List compLibs = jsfLibCfgComp.getSelectedJSFLibComponents();
 //		model.setProperty(
 //				IJSFFacetInstallDataModelProperties.IMPLEMENTATION_LIBRARIES,
 //				implLibs);
 //		model.setProperty(
 //				IJSFFacetInstallDataModelProperties.COMPONENT_LIBRARIES,
 //				compLibs);
 	}

 	private void addModificationListeners() {
 		 jsfLibCfgComp.setSynchHelper(synchHelper);
 		 synchHelper.synchText(txtJSFConfig, CONFIG_PATH, null);
 		 synchHelper.synchText(txtJSFServletName, SERVLET_NAME, null);
 		 synchHelper.synchText(txtJSFServletClassName, SERVLET_CLASSNAME, null);
 		 synchHelper.synchList(lstJSFServletURLPatterns, SERVLET_URL_PATTERNS, null);

 		// synchHelper.synchCheckbox(chkDeployImpl, DEPLOY_IMPLEMENTATION,
 		// null);
 	}

 	private String isValidPattern(String value) {
 		if (value == null || value.trim().equals("")) //$NON-NLS-1$
 			return Messages.JSFFacetInstallPage_PatternEmptyMsg;
 		if (lstJSFServletURLPatterns.indexOf(value) >= 0)
 			return Messages.JSFFacetInstallPage_PatternSpecifiedMsg;

 		return null;
 	}

 	private void loadURLMappingPatterns(IDialogSettings root) {
 		lstJSFServletURLPatterns.removeAll();
 		IDialogSettings mappings = null;
 		if (root != null)
 			mappings = root.getSection(SETTINGS_URL_MAPPINGS);
 		String[] patterns = null;
 		if (mappings != null)
 			patterns = mappings.getArray(SETTINGS_URL_PATTERN);

 		if (patterns == null || patterns.length == 0) {
 			patterns = (String[]) model
 					.getDefaultProperty(IJSFFacetInstallDataModelProperties.SERVLET_URL_PATTERNS);
 		}
 		for (int i = 0; i < patterns.length; i++) {
 			addItemToList(patterns[i], false);
 		}
 	}

 	private void addItemToList(String pattern, boolean selectMe) {
 		lstJSFServletURLPatterns.add(pattern == null ? "" : pattern); //$NON-NLS-1$
 		if (pattern == null && selectMe)
 			lstJSFServletURLPatterns.setSelection(lstJSFServletURLPatterns
 					.getItemCount() - 1);
 		// When 119321 is fixed - remove code below
 		updateModelForURLPattern();
 	}

 	private void removeItemFromList(String[] selection) {
 		for (int i = 0; i < selection.length; i++) {
 			String sel = selection[i];
 			lstJSFServletURLPatterns.remove(sel);
 		}
 		// When 119321 is fixed - remove code below
 		updateModelForURLPattern();
 	}

 	private void updateModelForURLPattern() {
 		model.setProperty(
 				IJSFFacetInstallDataModelProperties.SERVLET_URL_PATTERNS,
 				lstJSFServletURLPatterns.getItems());
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.wst.common.frameworks.internal.datamodel.ui.DataModelWizardPage#getValidationPropertyNames()
 	 */
 	protected String[] getValidationPropertyNames() {
 		return new String[] { IMPLEMENTATION, DEPLOY_IMPLEMENTATION,
 				CONFIG_PATH, SERVLET_NAME, SERVLET_CLASSNAME, COMPONENT_LIBRARIES };
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.wst.common.project.facet.ui.IFacetWizardPage#setWizardContext(org.eclipse.wst.common.project.facet.ui.IWizardContext)
 	 */
 	public void setWizardContext(IWizardContext context) {
 		// hook into web datamodel if new project wizard.
 		Iterator it = context.getSelectedProjectFacets().iterator();
 		IProjectFacetVersion webFacetVersion = null;
 		while (it.hasNext()) {
 			// find Web facet
 			IProjectFacetVersion pfv = (IProjectFacetVersion) it.next();
 			if (pfv.getProjectFacet().getId().equals("jst.web")) { //$NON-NLS-1$
 				webFacetVersion = pfv;
 				break;
 			}
 		}
 		if (webFacetVersion != null) {
 			try {
 				webAppDataModel = (IDataModel) context.getConfig(
 						webFacetVersion, IFacetedProject.Action.Type.INSTALL,
 						context.getProjectName());
 				if (webAppDataModel != null) {
 					webAppDataModel.addListener(this);
 				}
 			} catch (CoreException e) {
 				JSFUiPlugin.log(IStatus.ERROR,
 						Messages.JSFFacetInstallPage_ErrorNoWebAppDataModel, e);
 			}
 		}
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.wst.common.frameworks.internal.datamodel.ui.DataModelWizardPage#propertyChanged(org.eclipse.wst.common.frameworks.datamodel.DataModelEvent)
 	 */
 	public void propertyChanged(DataModelEvent event) {
 		if (webAppDataModel != null) {
 			String propertyName = event.getPropertyName();
 			if (propertyName
 					.equals(IJ2EEModuleFacetInstallDataModelProperties.CONFIG_FOLDER)) {
 				model.setStringProperty(WEBCONTENT_DIR, event.getProperty()
 						.toString());
 			}
 		}
 		super.propertyChanged(event);
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.wst.common.frameworks.internal.datamodel.ui.DataModelWizardPage#dispose()
 	 */
 	public void dispose() {
 		if (webAppDataModel != null)
 			webAppDataModel.removeListener(this);

 		jsfLibCfgComp.dispose();
 		super.dispose();
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.wst.common.frameworks.internal.datamodel.ui.DataModelWizardPage#restoreDefaultSettings()
 	 */
 	protected void restoreDefaultSettings() {
 		initializeValues();

 		checkToCompletePage(jsfLibCfgComp);
 	}

 	/*
 	 * To force a JSF facet install page configuration to be performed
 	 * when the JSF facet is selected but no JSF implementation library exists.
 	 */
 	private void checkToCompletePage(Composite control) {
 		boolean enableFinish = false;
 		if (control != null && control instanceof JSFLibraryConfigControl) {
 			enableFinish = (((JSFLibraryConfigControl)control).getSelectedJSFLibImplementation() != null);
 		}
 		setPageComplete(enableFinish);
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.wst.common.frameworks.internal.datamodel.ui.DataModelWizardPage#showValidationErrorsOnEnter()
 	 */
 	protected boolean showValidationErrorsOnEnter() {
 		return true;
 	}


 }
	/*******************************************************************************
	* Copyright (c) 2005 Oracle Corporation.
	* 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:
	* Gerry Kessler - initial API and implementation
	*******************************************************************************/
	package org.eclipse.jst.jsf.ui.internal.project.facet;

	import java.util.ArrayList;
	import java.util.Iterator;

	import org.eclipse.core.runtime.CoreException;
	import org.eclipse.core.runtime.IStatus;
	import org.eclipse.jface.dialogs.DialogSettings;
	import org.eclipse.jface.dialogs.IDialogSettings;
	import org.eclipse.jface.dialogs.IInputValidator;
	import org.eclipse.jface.dialogs.InputDialog;
	import org.eclipse.jface.window.Window;
	import org.eclipse.jst.j2ee.project.facet.IJ2EEModuleFacetInstallDataModelProperties;
	import org.eclipse.jst.jsf.core.internal.jsflibraryconfig.JSFLibraryConfigDialogSettingData;
	import org.eclipse.jst.jsf.core.internal.jsflibraryconfig.JSFLibraryConfiglModelSource;
	import org.eclipse.jst.jsf.core.internal.jsflibraryconfig.JSFLibraryReference;
	import org.eclipse.jst.jsf.core.internal.project.facet.IJSFFacetInstallDataModelProperties;
	import org.eclipse.jst.jsf.ui.internal.JSFUiPlugin;
	import org.eclipse.jst.jsf.ui.internal.Messages;
	import org.eclipse.jst.jsf.ui.internal.jsflibraryconfig.JSFLibraryConfigControlChangeEvent;
	import org.eclipse.jst.jsf.ui.internal.jsflibraryconfig.JSFLibraryConfigControlChangeListener;
	import org.eclipse.jst.jsf.ui.internal.jsflibraryconfig.IJSFImplLibraryCreationListener;
	import org.eclipse.jst.jsf.ui.internal.jsflibraryconfig.JSFImplLibraryCreationEvent;
	import org.eclipse.jst.jsf.ui.internal.jsflibraryconfig.JSFLibraryConfigControl;
	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.Label;
	import org.eclipse.swt.widgets.List;
	import org.eclipse.swt.widgets.Text;
	import org.eclipse.wst.common.frameworks.datamodel.AbstractDataModelProvider;
	import org.eclipse.wst.common.frameworks.datamodel.DataModelEvent;
	import org.eclipse.wst.common.frameworks.datamodel.DataModelFactory;
	import org.eclipse.wst.common.frameworks.datamodel.IDataModel;
	import org.eclipse.wst.common.frameworks.internal.datamodel.ui.DataModelWizardPage;
	import org.eclipse.wst.common.project.facet.core.IFacetedProject;
	import org.eclipse.wst.common.project.facet.core.IProjectFacetVersion;
	import org.eclipse.wst.common.project.facet.ui.IFacetWizardPage;
	import org.eclipse.wst.common.project.facet.ui.IWizardContext;

	/**
	* JSF Facet installation wizard page.
	*
	* @author Gerry Kessler - Oracle
	*/
	public class JSFFacetInstallPage extends DataModelWizardPage implements
	IJSFFacetInstallDataModelProperties, IFacetWizardPage {
	// UI
	private Label lblJSFImpl;
	private Label lblJSFConfig;
	private Text txtJSFConfig;
	private Label lblJSFServletName;
	private Text txtJSFServletName;
	private Label lblJSFServletClassName;
	private Text txtJSFServletClassName;
	private Label lblJSFServletURLPatterns;
	private List lstJSFServletURLPatterns;
	private Button btnAddPattern;
	private Button btnRemovePattern;

	private IDialogSettings dialogSettings;
	private IDataModel webAppDataModel;
	private static final String SETTINGS_ROOT = JSFUiPlugin.PLUGIN_ID
	+ ".jsfFacetInstall"; //$NON-NLS-1$
	private static final String SETTINGS_CONFIG = "configPath"; //$NON-NLS-1$
	private static final String SETTINGS_SERVLET = "servletName"; //$NON-NLS-1$
	private static final String SETTINGS_SERVLET_CLASSNAME = "servletClassname"; //$NON-NLS-1$
	private static final String SETTINGS_URL_MAPPINGS = "urlMappings"; //$NON-NLS-1$
	private static final String SETTINGS_URL_PATTERN = "pattern"; //$NON-NLS-1$
	private static final String SETTINGS_DEPLOY_IMPL = "deployImplementation"; //$NON-NLS-1$
	private static final String SETTINGS_COMPLIB = "selectedComponent"; //$NON-NLS-1$
	private static final String SETTINGS_COMPLIB_SELECT_DEPLOY = "selectdeploycomplib"; //$NON-NLS-1$

	private static final String SEPARATOR = ":"; //$NON-NLS-1$

	private JSFLibraryConfigControl jsfLibCfgComp = null;
	// private String projectName = null;
	private Composite composite = null;

	/**
	* Zero argument constructor
	*/
	public JSFFacetInstallPage() {
	// FIXME: following WebFacetInstallPage pattern which will be fixed at
	// somepoint
	super(DataModelFactory.createDataModel(new AbstractDataModelProvider() {/*
	* do
	* nothing
	*/
	}), "jsf.facet.install.page"); //$NON-NLS-1$
	setTitle(Messages.JSFFacetInstallPage_title);
	setDescription(Messages.JSFFacetInstallPage_description);
	dialogSettings = JSFUiPlugin.getDefault().getDialogSettings();

	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.wst.common.frameworks.internal.datamodel.ui.DataModelWizardPage#createTopLevelComposite(org.eclipse.swt.widgets.Composite)
	*/
	protected Composite createTopLevelComposite(final Composite parent) {
	initializeDialogUnits(parent);
	composite = new Composite(parent, SWT.NONE);
	final GridLayout jsfCompositeLayout = new GridLayout(3, false);
	jsfCompositeLayout.marginLeft = 0;
	composite.setLayout(jsfCompositeLayout);

	lblJSFImpl = new Label(composite, SWT.None);
	lblJSFImpl.setLayoutData(new GridData(GridData.BEGINNING,
	GridData.BEGINNING, false, false));
	lblJSFImpl.setText(Messages.JSFFacetInstallPage_JSFLibraryLabel0);

	((GridLayout) composite.getLayout()).marginLeft = 0;

	jsfLibCfgComp = new JSFLibraryConfigControl(composite, SWT.NONE);
	jsfLibCfgComp
	.addOkClickedListener(new IJSFImplLibraryCreationListener() {
	public void okClicked(JSFImplLibraryCreationEvent event) {
	if (event.isLibraryCreated()) {
	validatePage();
	}
	}
	});

	jsfLibCfgComp.addChangeListener( new JSFLibraryConfigControlChangeListener(){

	public void changed(JSFLibraryConfigControlChangeEvent e) {
	validatePage();
	}

	});
	GridData gd_comp = new GridData(GridData.FILL, GridData.FILL, true,
	true);
	gd_comp.horizontalSpan = 2;
	((GridLayout) jsfLibCfgComp.getLayout()).marginLeft = 0;
	jsfLibCfgComp.setLayoutData(gd_comp);

	lblJSFConfig = new Label(composite, SWT.NONE);
	lblJSFConfig.setText(Messages.JSFFacetInstallPage_JSFConfigLabel);
	lblJSFConfig.setLayoutData(new GridData(GridData.BEGINNING));

	txtJSFConfig = new Text(composite, SWT.BORDER);
	GridData gd1 = new GridData(GridData.FILL_HORIZONTAL);
	gd1.horizontalSpan = 2;
	txtJSFConfig.setLayoutData(gd1);

	lblJSFServletName = new Label(composite, SWT.NONE);
	lblJSFServletName
	.setText(Messages.JSFFacetInstallPage_JSFServletNameLabel);
	lblJSFServletName.setLayoutData(new GridData(GridData.BEGINNING));

	txtJSFServletName = new Text(composite, SWT.BORDER);
	GridData gd2 = new GridData(GridData.FILL_HORIZONTAL);
	gd2.horizontalSpan = 2;
	txtJSFServletName.setLayoutData(gd2);

	lblJSFServletClassName = new Label(composite, SWT.NONE);
	lblJSFServletClassName
	.setText(Messages.JSFFacetInstallPage_JSFServletClassNameLabel);
	lblJSFServletClassName.setLayoutData(new GridData(GridData.BEGINNING));

	txtJSFServletClassName = new Text(composite, SWT.BORDER);
	GridData gd2c = new GridData(GridData.FILL_HORIZONTAL);
	gd2c.horizontalSpan = 2;
	txtJSFServletClassName.setLayoutData(gd2c);

	lblJSFServletURLPatterns = new Label(composite, SWT.NULL);
	lblJSFServletURLPatterns
	.setText(Messages.JSFFacetInstallPage_JSFURLMappingLabel);
	lblJSFServletURLPatterns.setLayoutData(new GridData(GridData.BEGINNING
	\| GridData.VERTICAL_ALIGN_BEGINNING));
	lstJSFServletURLPatterns = new List(composite, SWT.BORDER);
	GridData gd3 = new GridData(GridData.FILL_HORIZONTAL);
	gd3.heightHint = convertHeightInCharsToPixels(5);
	lstJSFServletURLPatterns.setLayoutData(gd3);
	lstJSFServletURLPatterns.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	btnRemovePattern.setEnabled(lstJSFServletURLPatterns
	.getSelectionCount() > 0);
	}
	});

	Composite btnComposite = new Composite(composite, SWT.NONE);
	GridLayout gl = new GridLayout(1, false);
	// gl.marginBottom = 0;
	// gl.marginTop = 0;
	// gl.marginRight = 0;
	gl.marginLeft = 0;
	btnComposite.setLayout(gl);
	btnComposite.setLayoutData(new GridData(GridData.END
	\| GridData.VERTICAL_ALIGN_FILL));

	btnAddPattern = new Button(btnComposite, SWT.NONE);
	btnAddPattern.setText(Messages.JSFFacetInstallPage_Add2);
	btnAddPattern.setLayoutData(new GridData(GridData.FILL_HORIZONTAL
	\| GridData.VERTICAL_ALIGN_BEGINNING));
	btnAddPattern.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	InputDialog dialog = new InputDialog(getShell(),
	Messages.JSFFacetInstallPage_PatternDialogTitle,
	Messages.JSFFacetInstallPage_PatternDialogDesc, null,
	new IInputValidator() {

	public String isValid(String newText) {
	return isValidPattern(newText);
	}

	});
	dialog.open();
	if (dialog.getReturnCode() == Window.OK) {
	addItemToList(dialog.getValue(), true);
	}
	}
	});

	btnRemovePattern = new Button(btnComposite, SWT.NONE);
	btnRemovePattern.setText(Messages.JSFFacetInstallPage_Remove);
	btnRemovePattern.setLayoutData(new GridData(GridData.FILL_HORIZONTAL
	\| GridData.VERTICAL_ALIGN_BEGINNING));
	btnRemovePattern.setEnabled(false);
	btnRemovePattern.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	removeItemFromList(lstJSFServletURLPatterns.getSelection());
	btnRemovePattern.setEnabled(false);
	}
	});

	addModificationListeners();

	this.getContainer().getShell().pack();

	return composite;
	}

	private void initializeValues() {
	IDialogSettings root = dialogSettings.getSection(SETTINGS_ROOT);

	initJSFCfgCtrlValues(root);

	String conf = null;
	if (root != null)
	conf = root.get(SETTINGS_CONFIG);
	if (conf == null \|\| conf.equals("")) { //$NON-NLS-1$
	conf = (String) model
	.getDefaultProperty(IJSFFacetInstallDataModelProperties.CONFIG_PATH);
	}
	txtJSFConfig.setText(conf);

	String servletName = null;
	if (root != null)
	servletName = root.get(SETTINGS_SERVLET);
	if (servletName == null \|\| servletName.equals("")) { //$NON-NLS-1$
	servletName = (String) model
	.getDefaultProperty(IJSFFacetInstallDataModelProperties.SERVLET_NAME);
	}
	txtJSFServletName.setText(servletName);

	String servletClassname = null;
	if (root != null)
	servletClassname = root.get(SETTINGS_SERVLET_CLASSNAME);
	if (servletClassname == null \|\| servletClassname.equals("")) { //$NON-NLS-1$
	servletClassname = (String) model
	.getDefaultProperty(IJSFFacetInstallDataModelProperties.SERVLET_CLASSNAME);
	}
	txtJSFServletClassName.setText(servletClassname);

	loadURLMappingPatterns(root);
	}

	private void initJSFCfgCtrlValues(IDialogSettings root) {
	String deployImpl = null;
	if (root != null) {
	deployImpl = root.get(SETTINGS_DEPLOY_IMPL);
	}
	if (deployImpl == null \|\| deployImpl.equals("")) { //$NON-NLS-1$
	deployImpl = ((Boolean) model
	.getDefaultProperty(IJSFFacetInstallDataModelProperties.DEPLOY_IMPLEMENTATION))
	.toString();
	}

	IDialogSettings complibs = null;
	if (root != null) {
	complibs = root.getSection(SETTINGS_COMPLIB);
	}

	String[] selection = null;
	if (complibs != null) {
	selection = complibs.getArray(SETTINGS_COMPLIB_SELECT_DEPLOY);
	}

	JSFLibraryConfiglModelSource source = new JSFLibraryConfigDialogSettingData(
	Boolean.valueOf(deployImpl).booleanValue(), selection);
	jsfLibCfgComp.loadControlValuesFromModel(source);
	}


	private void saveSettings() {
	DialogSettings root = new DialogSettings(SETTINGS_ROOT);
	dialogSettings.addSection(root);

	root.put(SETTINGS_DEPLOY_IMPL, String.valueOf(getDeployJSFImpl()));
	root.put(SETTINGS_CONFIG, getJSFConfig());
	root.put(SETTINGS_SERVLET, getJSFServletName());
	root.put(SETTINGS_SERVLET_CLASSNAME, getJSFServletClassname());
	DialogSettings mappings = new DialogSettings(SETTINGS_URL_MAPPINGS);
	root.addSection(mappings);
	mappings.put(SETTINGS_URL_PATTERN, getJSFPatterns());

	DialogSettings complibs = new DialogSettings(SETTINGS_COMPLIB);
	root.addSection(complibs);
	complibs.put(SETTINGS_COMPLIB_SELECT_DEPLOY, getCompLibSelections());
	}

	private boolean getDeployJSFImpl() {
	if (jsfLibCfgComp.getSelectedJSFLibImplementation() == null) {
	return false;
	}
	return jsfLibCfgComp.getSelectedJSFLibImplementation()
	.isCheckedToBeDeployed();
	}

	private String getJSFConfig() {
	return txtJSFConfig.getText().trim();
	}

	private String getJSFServletName() {
	return txtJSFServletName.getText().trim();
	}

	private String getJSFServletClassname() {
	return txtJSFServletClassName.getText().trim();
	}

	private String[] getJSFPatterns() {
	return lstJSFServletURLPatterns.getItems();
	}

	private String[] getCompLibSelections() {
	/*
	* Iterate thru the selected component libraries and return selected
	* component libraries and their deployment flags in a string array.
	*/
	JSFLibraryReference complib = null;
	String str = null;
	ArrayList al = new ArrayList();

	java.util.List list = jsfLibCfgComp.getSelectedJSFLibComponents();
	Iterator it = list.iterator();
	while (it.hasNext()) {
	complib = (JSFLibraryReference) it.next();
	str = complib.getID() + SEPARATOR + complib.isCheckedToBeDeployed();
	al.add(str);
	}

	return (String[]) al.toArray(new String[al.size()]);
	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.wst.common.project.facet.ui.IFacetWizardPage#setConfig(java.lang.Object)
	*/
	public void setConfig(Object config) {
	model.removeListener(this);
	synchHelper.dispose();

	model = (IDataModel) config;
	model.addListener(this);
	synchHelper = initializeSynchHelper(model);
	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.wst.common.project.facet.ui.IFacetWizardPage#transferStateToConfig()
	*/
	public void transferStateToConfig() {
	saveSettings(); // convenient place for this. don't want to save if user
	// cancelled.
	// do nothing else now. being handled by synchHelper
	// config.setProperty(IJSFFacetInstallDataModelProperties.IMPLEMENTATION,
	// getJSFImpl());
	// model
	// .setStringProperty(
	// IJSFFacetInstallDataModelProperties.CONFIG_PATH,
	// getJSFConfig());
	// model.setStringProperty(
	// IJSFFacetInstallDataModelProperties.SERVLET_NAME,
	// getJSFServletName());
	// config.setProperty(IJSFFacetInstallDataModelProperties.SERVLET_URL_PATTERNS,
	// getJSFPatterns());

	// java.util.List implLibs = new ArrayList();
	// implLibs.add(jsfLibCfgComp.getSelectedJSFLibImplementation());
	// java.util.List compLibs = jsfLibCfgComp.getSelectedJSFLibComponents();
	// model.setProperty(
	// IJSFFacetInstallDataModelProperties.IMPLEMENTATION_LIBRARIES,
	// implLibs);
	// model.setProperty(
	// IJSFFacetInstallDataModelProperties.COMPONENT_LIBRARIES,
	// compLibs);
	}

	private void addModificationListeners() {
	jsfLibCfgComp.setSynchHelper(synchHelper);
	synchHelper.synchText(txtJSFConfig, CONFIG_PATH, null);
	synchHelper.synchText(txtJSFServletName, SERVLET_NAME, null);
	synchHelper.synchText(txtJSFServletClassName, SERVLET_CLASSNAME, null);
	synchHelper.synchList(lstJSFServletURLPatterns, SERVLET_URL_PATTERNS, null);

	// synchHelper.synchCheckbox(chkDeployImpl, DEPLOY_IMPLEMENTATION,
	// null);
	}

	private String isValidPattern(String value) {
	if (value == null \|\| value.trim().equals("")) //$NON-NLS-1$
	return Messages.JSFFacetInstallPage_PatternEmptyMsg;
	if (lstJSFServletURLPatterns.indexOf(value) >= 0)
	return Messages.JSFFacetInstallPage_PatternSpecifiedMsg;

	return null;
	}

	private void loadURLMappingPatterns(IDialogSettings root) {
	lstJSFServletURLPatterns.removeAll();
	IDialogSettings mappings = null;
	if (root != null)
	mappings = root.getSection(SETTINGS_URL_MAPPINGS);
	String[] patterns = null;
	if (mappings != null)
	patterns = mappings.getArray(SETTINGS_URL_PATTERN);

	if (patterns == null \|\| patterns.length == 0) {
	patterns = (String[]) model
	.getDefaultProperty(IJSFFacetInstallDataModelProperties.SERVLET_URL_PATTERNS);
	}
	for (int i = 0; i < patterns.length; i++) {
	addItemToList(patterns[i], false);
	}
	}

	private void addItemToList(String pattern, boolean selectMe) {
	lstJSFServletURLPatterns.add(pattern == null ? "" : pattern); //$NON-NLS-1$
	if (pattern == null && selectMe)
	lstJSFServletURLPatterns.setSelection(lstJSFServletURLPatterns
	.getItemCount() - 1);
	// When 119321 is fixed - remove code below
	updateModelForURLPattern();
	}

	private void removeItemFromList(String[] selection) {
	for (int i = 0; i < selection.length; i++) {
	String sel = selection[i];
	lstJSFServletURLPatterns.remove(sel);
	}
	// When 119321 is fixed - remove code below
	updateModelForURLPattern();
	}

	private void updateModelForURLPattern() {
	model.setProperty(
	IJSFFacetInstallDataModelProperties.SERVLET_URL_PATTERNS,
	lstJSFServletURLPatterns.getItems());
	}

	/* (non-Javadoc)
	* @see org.eclipse.wst.common.frameworks.internal.datamodel.ui.DataModelWizardPage#getValidationPropertyNames()
	*/
	protected String[] getValidationPropertyNames() {
	return new String[] { IMPLEMENTATION, DEPLOY_IMPLEMENTATION,
	CONFIG_PATH, SERVLET_NAME, SERVLET_CLASSNAME, COMPONENT_LIBRARIES };
	}

	/* (non-Javadoc)
	* @see org.eclipse.wst.common.project.facet.ui.IFacetWizardPage#setWizardContext(org.eclipse.wst.common.project.facet.ui.IWizardContext)
	*/
	public void setWizardContext(IWizardContext context) {
	// hook into web datamodel if new project wizard.
	Iterator it = context.getSelectedProjectFacets().iterator();
	IProjectFacetVersion webFacetVersion = null;
	while (it.hasNext()) {
	// find Web facet
	IProjectFacetVersion pfv = (IProjectFacetVersion) it.next();
	if (pfv.getProjectFacet().getId().equals("jst.web")) { //$NON-NLS-1$
	webFacetVersion = pfv;
	break;
	}
	}
	if (webFacetVersion != null) {
	try {
	webAppDataModel = (IDataModel) context.getConfig(
	webFacetVersion, IFacetedProject.Action.Type.INSTALL,
	context.getProjectName());
	if (webAppDataModel != null) {
	webAppDataModel.addListener(this);
	}
	} catch (CoreException e) {
	JSFUiPlugin.log(IStatus.ERROR,
	Messages.JSFFacetInstallPage_ErrorNoWebAppDataModel, e);
	}
	}
	}

	/* (non-Javadoc)
	* @see org.eclipse.wst.common.frameworks.internal.datamodel.ui.DataModelWizardPage#propertyChanged(org.eclipse.wst.common.frameworks.datamodel.DataModelEvent)
	*/
	public void propertyChanged(DataModelEvent event) {
	if (webAppDataModel != null) {
	String propertyName = event.getPropertyName();
	if (propertyName
	.equals(IJ2EEModuleFacetInstallDataModelProperties.CONFIG_FOLDER)) {
	model.setStringProperty(WEBCONTENT_DIR, event.getProperty()
	.toString());
	}
	}
	super.propertyChanged(event);
	}

	/* (non-Javadoc)
	* @see org.eclipse.wst.common.frameworks.internal.datamodel.ui.DataModelWizardPage#dispose()
	*/
	public void dispose() {
	if (webAppDataModel != null)
	webAppDataModel.removeListener(this);

	jsfLibCfgComp.dispose();
	super.dispose();
	}

	/* (non-Javadoc)
	* @see org.eclipse.wst.common.frameworks.internal.datamodel.ui.DataModelWizardPage#restoreDefaultSettings()
	*/
	protected void restoreDefaultSettings() {
	initializeValues();

	checkToCompletePage(jsfLibCfgComp);
	}

	/*
	* To force a JSF facet install page configuration to be performed
	* when the JSF facet is selected but no JSF implementation library exists.
	*/
	private void checkToCompletePage(Composite control) {
	boolean enableFinish = false;
	if (control != null && control instanceof JSFLibraryConfigControl) {
	enableFinish = (((JSFLibraryConfigControl)control).getSelectedJSFLibImplementation() != null);
	}
	setPageComplete(enableFinish);
	}

	/* (non-Javadoc)
	* @see org.eclipse.wst.common.frameworks.internal.datamodel.ui.DataModelWizardPage#showValidationErrorsOnEnter()
	*/
	protected boolean showValidationErrorsOnEnter() {
	return true;
	}


	}