plugins/org.eclipse.jst.j2ee.ui/j2ee_ui/org/eclipse/jst/j2ee/internal/AddModulestoEARPropertiesPage.java - gerrit/jeetools/webtools.javaee - Git at Google

 /*
  * Created on Jan 17, 2005
  *
  * TODO To change the template for this generated file go to
  * Window - Preferences - Java - Code Style - Code Templates
  */
 package org.eclipse.jst.j2ee.internal;

 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;

 import org.eclipse.core.commands.ExecutionException;
 import org.eclipse.core.resources.IProject;
 import org.eclipse.core.resources.IResource;
 import org.eclipse.core.resources.IWorkspaceRoot;
 import org.eclipse.core.resources.ResourcesPlugin;
 import org.eclipse.core.runtime.IPath;
 import org.eclipse.core.runtime.IProgressMonitor;
 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.core.runtime.NullProgressMonitor;
 import org.eclipse.core.runtime.Path;
 import org.eclipse.jdt.core.JavaCore;
 import org.eclipse.jdt.ui.wizards.BuildPathDialogAccess;
 import org.eclipse.jem.util.logger.proxy.Logger;
 import org.eclipse.jface.viewers.CheckStateChangedEvent;
 import org.eclipse.jface.viewers.CheckboxTableViewer;
 import org.eclipse.jface.viewers.ColumnWeightData;
 import org.eclipse.jface.viewers.ICheckStateListener;
 import org.eclipse.jface.viewers.TableLayout;
 import org.eclipse.jst.common.jdt.internal.integration.IJavaProjectMigrationDataModelProperties;
 import org.eclipse.jst.common.jdt.internal.integration.JavaProjectMigrationDataModelProvider;
 import org.eclipse.jst.j2ee.application.internal.operations.AddComponentToEnterpriseApplicationDataModelProvider;
 import org.eclipse.jst.j2ee.application.internal.operations.RemoveComponentFromEnterpriseApplicationOperation;
 import org.eclipse.jst.j2ee.internal.common.J2EEVersionUtil;
 import org.eclipse.jst.j2ee.internal.plugin.J2EEUIMessages;
 import org.eclipse.swt.SWT;
 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.Control;
 import org.eclipse.swt.widgets.Event;
 import org.eclipse.swt.widgets.Group;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Listener;
 import org.eclipse.swt.widgets.Table;
 import org.eclipse.swt.widgets.TableColumn;
 import org.eclipse.swt.widgets.TableItem;
 import org.eclipse.swt.widgets.Text;
 import org.eclipse.ui.dialogs.PropertyPage;
 import org.eclipse.wst.common.componentcore.ComponentCore;
 import org.eclipse.wst.common.componentcore.ModuleCoreNature;
 import org.eclipse.wst.common.componentcore.datamodel.properties.ICreateReferenceComponentsDataModelProperties;
 import org.eclipse.wst.common.componentcore.internal.operation.CreateReferenceComponentsDataModelProvider;
 import org.eclipse.wst.common.componentcore.internal.operation.RemoveReferenceComponentsDataModelProvider;
 import org.eclipse.wst.common.componentcore.internal.resources.VirtualArchiveComponent;
 import org.eclipse.wst.common.componentcore.internal.util.IModuleConstants;
 import org.eclipse.wst.common.componentcore.resources.IVirtualComponent;
 import org.eclipse.wst.common.componentcore.resources.IVirtualReference;
 import org.eclipse.wst.common.frameworks.datamodel.DataModelFactory;
 import org.eclipse.wst.common.frameworks.datamodel.IDataModel;
 import org.eclipse.wst.common.frameworks.datamodel.IDataModelProvider;

 /**
  *
  * TODO To change the template for this generated type comment go to
  * Window - Preferences - Java - Code Style - Code Templates
  */
 public class AddModulestoEARPropertiesPage extends PropertyPage implements Listener, ICommonManifestUIConstants {

 	protected IProject project;
 	protected IVirtualComponent earComponent = null;
 	protected Text componentNameText;
 	protected Label availableModules;
 	protected CheckboxTableViewer availableComponentsViewer;
 	protected Button selectAllButton;
 	protected Button deselectAllButton;
 	protected Button externalJarButton;
 	protected Button addVariableButton;
 	protected Composite buttonColumn;

 	protected List j2eeComponentList = new ArrayList();
 	protected List javaProjectsList = new ArrayList();
 	protected static final IStatus OK_STATUS = IDataModelProvider.OK_STATUS;

 	/**
 	 * Constructor for AddModulestoEARPropertiesPage.
 	 */
 	public AddModulestoEARPropertiesPage() {
 		super();
 	}

 	protected Control createContents(Composite parent) {
 		initialize();


 		Composite composite = new Composite(parent, SWT.NONE);
 		GridLayout layout = new GridLayout();
 		layout.marginWidth = 0;
 		layout.marginWidth = 0;
 		composite.setLayout(layout);
 		composite.setLayoutData(new GridData(GridData.FILL_BOTH));
 		if (earComponent == null)
 			return composite;
 		createProjectLabelsGroup(composite);
 		createListGroup(composite);
 		refresh();
 		return composite;
 	}

 	protected void initialize() {
 		project = (IProject) getElement().getAdapter(IResource.class);

 		if (ModuleCoreNature.isFlexibleProject(project)) {
 			IVirtualComponent component = ComponentCore.createComponent(project);
 				String compType = component.getComponentTypeId();
 				if (compType.equals(IModuleConstants.JST_EAR_MODULE))
 					earComponent = component;
 			}
 	}

 	protected void createProjectLabelsGroup(Composite parent) {

 		Composite labelsGroup = new Composite(parent, SWT.NONE);
 		GridLayout layout = new GridLayout();
 		layout.numColumns = 2;
 		labelsGroup.setLayout(layout);
 		labelsGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

 		Label label = new Label(labelsGroup, SWT.NONE);
 		label.setText(ManifestUIResourceHandler.getString("Project_name__UI_")); //$NON-NLS-1$ = "Project name:"

 		componentNameText = new Text(labelsGroup, SWT.BORDER);
 		GridData data = new GridData(GridData.FILL_HORIZONTAL);
 		componentNameText.setEditable(false);
 		componentNameText.setLayoutData(data);
 		componentNameText.setText(project.getName());
 	}

 	protected void createListGroup(Composite parent) {
 		Composite listGroup = new Composite(parent, SWT.NONE);
 		GridLayout layout = new GridLayout();
 		layout.numColumns = 1;
 		layout.marginWidth = 0;
 		layout.marginHeight = 0;
 		listGroup.setLayout(layout);
 		GridData gData = new GridData(GridData.FILL_BOTH);
 		gData.horizontalIndent = 5;
 		listGroup.setLayoutData(gData);

 		availableModules = new Label(listGroup, SWT.NONE);
 		gData = new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_FILL);
 		availableModules.setText(J2EEUIMessages.getResourceString("AVAILABLE_J2EE_COMPONENTS")); //$NON-NLS-1$ = "Available dependent JARs:"
 		availableModules.setLayoutData(gData);
 		createTableComposite(listGroup);
 	}

 	public void dispose() {
 		super.dispose();
 	}

 	public boolean performOk() {
 		NullProgressMonitor monitor = new NullProgressMonitor();
 		addModulesToEAR(monitor);
 		removeModulesFromEAR(monitor);
 		return true;
 	}

 	private List newJ2EEModulesToAdd(){
 		List newComps = new ArrayList();
 		if (j2eeComponentList != null && !j2eeComponentList.isEmpty()){
 			for (int i = 0; i < j2eeComponentList.size(); i++){
 				IVirtualComponent handle = (IVirtualComponent)j2eeComponentList.get(i);
 				if( !inEARAlready(handle))
 					newComps.add(handle);
 			}
 		}
 		return newComps;
 	}

 	private IStatus addModulesToEAR(IProgressMonitor monitor) {
 		IStatus stat = OK_STATUS;
 		try {
 			if( earComponent != null ){
 				List list = newJ2EEModulesToAdd();
 				if (list != null && !list.isEmpty()) {
 					IDataModel dm = DataModelFactory.createDataModel(new AddComponentToEnterpriseApplicationDataModelProvider());

 					dm.setProperty(ICreateReferenceComponentsDataModelProperties.SOURCE_COMPONENT, earComponent);
 					dm.setProperty(ICreateReferenceComponentsDataModelProperties.TARGET_COMPONENT_LIST, list);
 					stat = dm.validateProperty(ICreateReferenceComponentsDataModelProperties.TARGET_COMPONENT_LIST);
 					if (stat != OK_STATUS)
 						return stat;
 					dm.getDefaultOperation().execute(monitor, null);
 				}

 				if (!javaProjectsList.isEmpty()) {

 					for (int i = 0; i < javaProjectsList.size(); i++) {
 						IProject proj = (IProject) javaProjectsList.get(i);
 						IDataModel migrationdm = DataModelFactory.createDataModel(new JavaProjectMigrationDataModelProvider());
 						migrationdm.setProperty(IJavaProjectMigrationDataModelProperties.PROJECT_NAME, proj.getName());
 						migrationdm.getDefaultOperation().execute(monitor, null);


 						IDataModel refdm = DataModelFactory.createDataModel(new CreateReferenceComponentsDataModelProvider());
 						List targetCompList = (List) refdm.getProperty(ICreateReferenceComponentsDataModelProperties.TARGET_COMPONENT_LIST);

 						IVirtualComponent targetcomponent = ComponentCore.createComponent(proj);
 						targetCompList.add(targetcomponent);

 						refdm.setProperty(ICreateReferenceComponentsDataModelProperties.SOURCE_COMPONENT, earComponent);
 						refdm.setProperty(ICreateReferenceComponentsDataModelProperties.TARGET_COMPONENT_LIST, targetCompList);
 						refdm.getDefaultOperation().execute(monitor, null);
 					}
 				}
 			}

 		} catch (Exception e) {
 			Logger.getLogger().log(e);
 		}
 		return OK_STATUS;
 	}

 	private IStatus removeModulesFromEAR(IProgressMonitor monitor) {
 		IStatus stat = OK_STATUS;
 		if( earComponent != null && j2eeComponentList != null){
 			List list = getComponentsToRemove();
 			if( !list.isEmpty()){
 				try {
 					RemoveComponentFromEnterpriseApplicationOperation op = removeComponentFromEAROperation(earComponent, list);
 					op.execute(null, null);
 				} catch (ExecutionException e) {
 					Logger.getLogger().log(e);
 				}
 			}
 		}
 		return stat;
 	}

 	protected  RemoveComponentFromEnterpriseApplicationOperation removeComponentFromEAROperation(IVirtualComponent sourceComponent, List targetComponentsHandles) {
 		IDataModel model = DataModelFactory.createDataModel(new RemoveReferenceComponentsDataModelProvider());
 		model.setProperty(ICreateReferenceComponentsDataModelProperties.SOURCE_COMPONENT, sourceComponent);
 		List modHandlesList = (List) model.getProperty(ICreateReferenceComponentsDataModelProperties.TARGET_COMPONENT_LIST);
 		modHandlesList.addAll(targetComponentsHandles);
 		model.setProperty(ICreateReferenceComponentsDataModelProperties.TARGET_COMPONENT_LIST, modHandlesList);
 		return new RemoveComponentFromEnterpriseApplicationOperation(model);
 	}

 	protected List getComponentsToRemove(){
 		j2eeComponentList = getCheckedJ2EEElementsAsList();
 		List list = new ArrayList();
 		if( earComponent != null && list != null ){
 			IVirtualReference[] oldrefs = earComponent.getReferences();
 			for (int j = 0; j < oldrefs.length; j++) {
 				IVirtualReference ref = oldrefs[j];
 				IVirtualComponent handle = ref.getReferencedComponent();
 				if( !j2eeComponentList.contains(handle)){
 					list.add(handle);
 				}
 			}
 		}
 		return list;
 	}


 	public void handleEvent(Event event) {
 		if (event.widget == selectAllButton)
 			handleSelectAllButtonPressed();
 		else if (event.widget == deselectAllButton)
 			handleDeselectAllButtonPressed();
 		else if(event.widget == externalJarButton)
 			handleSelectExternalJarButton();
 		else if(event.widget == addVariableButton)
 			handleSelectVariableButton();
 	}

 	private void handleSelectAllButtonPressed() {
 		availableComponentsViewer.setAllChecked(true);
 		j2eeComponentList = getCheckedJ2EEElementsAsList();
 		javaProjectsList = getCheckedJavaProjectsAsList();
 	}

 	private void handleDeselectAllButtonPressed() {
 		availableComponentsViewer.setAllChecked(false);
 		j2eeComponentList = new ArrayList();
 		javaProjectsList = new ArrayList();
 	}

 	private void handleSelectExternalJarButton(){
 		IPath[] selected= BuildPathDialogAccess.chooseExternalJAREntries(getShell());

 		if (selected != null) {
 			for (int i= 0; i < selected.length; i++) {

 				String type = VirtualArchiveComponent.LIBARCHIVETYPE + IPath.SEPARATOR;
 				IVirtualComponent archive = ComponentCore.createArchiveComponent( earComponent.getProject(), type +
 							selected[i].toString());

 				ArrayList vlist = new ArrayList();
 				IVirtualReference[] oldrefs = earComponent.getReferences();
 				for (int j = 0; j < oldrefs.length; j++) {
 					IVirtualReference ref = oldrefs[j];
 					vlist.add(ref);
 				}

 				//To do: check if archive component already exists
 				IVirtualReference ref = ComponentCore.createReference( earComponent, archive );
 				vlist.add(ref);

 				IVirtualReference[] refs = new IVirtualReference[vlist.size()];
 				for (int j = 0; j < vlist.size(); j++) {
 					IVirtualReference tmpref = (IVirtualReference) vlist.get(j);
 					refs[j] = tmpref;
 				}
 				earComponent.setReferences(refs);
 				//j2eeComponentList.add(archive.getProject());
 				j2eeComponentList.add(archive);
 			}
 			refresh();
 		}

 	}

 	private void handleSelectVariableButton(){
 		IPath existingPath[] = new Path[0];
 		IPath[] paths =  BuildPathDialogAccess.chooseVariableEntries(getShell(), existingPath);

 		if (paths != null) {
 			refresh();
 			for (int i = 0; i < paths.length; i++) {
 				IPath resolvedPath= JavaCore.getResolvedVariablePath(paths[i]);

 				java.io.File file = new java.io.File(resolvedPath.toOSString());
 				if( file.isFile() && file.exists()){
 					String type = VirtualArchiveComponent.VARARCHIVETYPE + IPath.SEPARATOR;

 					IVirtualComponent archive = ComponentCore.createArchiveComponent( earComponent.getProject(), type +
 								paths[i].toString());

 					ArrayList vlist = new ArrayList();
 					IVirtualReference[] oldrefs = earComponent.getReferences();
 					for (int j = 0; j < oldrefs.length; j++) {
 						IVirtualReference ref = oldrefs[j];
 						vlist.add(ref);
 					}

 					//To do: check if archive component already exists
 					IVirtualReference ref = ComponentCore.createReference( earComponent, archive );
 					vlist.add(ref);

 					IVirtualReference[] refs = new IVirtualReference[vlist.size()];
 					for (int j = 0; j < vlist.size(); j++) {
 						IVirtualReference tmpref = (IVirtualReference) vlist.get(j);
 						refs[j] = tmpref;
 					}
 					earComponent.setReferences(refs);
 					j2eeComponentList.add(archive);
 				}else{
 					//display error
 				}
 			}
 			refresh();
 		}
 	}

 	protected void createTableComposite(Composite parent) {
 		Composite composite = new Composite(parent, SWT.NONE);
 		GridData gData = new GridData(GridData.FILL_BOTH);
 		composite.setLayoutData(gData);
 		fillComposite(composite);
 	}

 	public void fillComposite(Composite parent) {
 		GridLayout layout = new GridLayout();
 		layout.numColumns = 2;
 		layout.marginHeight = 0;
 		parent.setLayout(layout);
 		parent.setLayoutData(new GridData(GridData.FILL_BOTH));
 		createTable(parent);
 		createButtonColumn(parent);
 	}

 	protected void createButtonColumn(Composite parent) {
 		buttonColumn = createButtonColumnComposite(parent);
 		GridData data = new GridData(GridData.HORIZONTAL_ALIGN_END);
 		buttonColumn.setLayoutData(data);
 		createPushButtons();
 	}

 	protected void createPushButtons() {
 		selectAllButton = createPushButton(SELECT_ALL_BUTTON);
 		deselectAllButton = createPushButton(DE_SELECT_ALL_BUTTON);
 		externalJarButton = createPushButton(J2EEUIMessages.getResourceString("EXTERNAL_JAR"));//$NON-NLS-1$
 		addVariableButton = createPushButton(J2EEUIMessages.getResourceString("ADDVARIABLE"));//$NON-NLS-1$
 	}

 	protected Button createPushButton(String label) {
 		Button aButton = primCreatePushButton(label, buttonColumn);
 		aButton.addListener(SWT.Selection, this);
 		aButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 		return aButton;
 	}

 	public Button primCreatePushButton(String label, Composite aButtonColumn) {
 		Button aButton = new Button(aButtonColumn, SWT.PUSH);
 		aButton.setText(label);
 		return aButton;
 	}

 	public Composite createButtonColumnComposite(Composite parent) {
 		Composite aButtonColumn = new Composite(parent, SWT.NONE);
 		GridLayout layout = new GridLayout();
 		layout.numColumns = 1;
 		layout.marginHeight = 0;
 		layout.marginWidth = 0;
 		aButtonColumn.setLayout(layout);
 		GridData data = new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_BEGINNING);
 		aButtonColumn.setLayoutData(data);
 		return aButtonColumn;
 	}

 	public Group createGroup(Composite parent) {
 		return new Group(parent, SWT.NULL);
 	}

 	protected void createTable(Composite parent) {
 		availableComponentsViewer = createavailableComponentsViewer(parent);
 		GridData gd = new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.FILL_VERTICAL);
 		availableComponentsViewer.getTable().setLayoutData(gd);

 		if (earComponent != null) {
 			int j2eeVersion = J2EEVersionUtil.convertVersionStringToInt(earComponent);
 			AvailableJ2EEComponentsForEARContentProvider provider = new AvailableJ2EEComponentsForEARContentProvider(earComponent, j2eeVersion);
 			availableComponentsViewer.setContentProvider(provider);
 			availableComponentsViewer.setLabelProvider(provider);

 			addTableListeners();
 		}
 	}

 	protected void addTableListeners() {
 		addCheckStateListener();
 	}

 	protected void addCheckStateListener() {
 		availableComponentsViewer.addCheckStateListener(new ICheckStateListener() {
 			public void checkStateChanged(CheckStateChangedEvent event) {
 				j2eeComponentList = getCheckedJ2EEElementsAsList();
 				javaProjectsList = getCheckedJavaProjectsAsList();

 			}
 		});
 	}

 	protected Object[] getComponentsInEar() {
 		List list = new ArrayList();
 		IVirtualReference refs[] = earComponent.getReferences();
 		for( int i=0; i< refs.length; i++){
 			IVirtualReference ref = refs[i];
 			list.add(ref.getReferencedComponent());
 		}
 		return list.toArray();
 	}

 	/**
 	 *
 	 * @param componentHandle
 	 * @return
 	 * @description  returns true is a component is already in the EAR as a dependent
 	 */
 	protected boolean inEARAlready(IVirtualComponent component){
 		IVirtualReference refs[] = earComponent.getReferences();
 		for( int i=0; i< refs.length; i++){
 			IVirtualReference ref = refs[i];
 			if  ( ref.getReferencedComponent().equals( component ))
 				return true;
 		}
 		return false;
 	}

 	protected List getCheckedJ2EEElementsAsList() {
 		Object[] elements = availableComponentsViewer.getCheckedElements();
 		List list;
 		if (elements == null || elements.length == 0)
 			list = Collections.EMPTY_LIST;
 		else {
 			list = new ArrayList();
 			for (int i = 0; i < elements.length; i++) {
 				if (elements[i] instanceof IVirtualComponent) {
 					list.add(elements[i]);
 				}
 			}
 		}
 		return list;
 	}

 	protected List getCheckedJavaProjectsAsList() {
 		Object[] elements = availableComponentsViewer.getCheckedElements();
 		List list;
 		if (elements == null || elements.length == 0)
 			list = Collections.EMPTY_LIST;
 		else {
 			list = new ArrayList();
 			for (int i = 0; i < elements.length; i++) {
 				if (elements[i] instanceof IProject) {
 					list.add(elements[i]);
 				}
 			}
 		}
 		return list;
 	}

 	public CheckboxTableViewer createavailableComponentsViewer(Composite parent) {
 		int flags = SWT.CHECK | SWT.BORDER | SWT.FULL_SELECTION | SWT.MULTI;

 		Table table = new Table(parent, flags);
 		availableComponentsViewer = new CheckboxTableViewer(table);

 		// set up table layout
 		TableLayout tableLayout = new org.eclipse.jface.viewers.TableLayout();
 		tableLayout.addColumnData(new ColumnWeightData(200, true));
 		tableLayout.addColumnData(new ColumnWeightData(200, true));
 		table.setLayout(tableLayout);
 		table.setHeaderVisible(true);
 		table.setLinesVisible(true);
 		availableComponentsViewer.setSorter(null);

 		// table columns
 		TableColumn fileNameColumn = new TableColumn(table, SWT.NONE, 0);
 		fileNameColumn.setText(ManifestUIResourceHandler.getString("JAR/Module_UI_")); //$NON-NLS-1$
 		fileNameColumn.setResizable(true);

 		TableColumn projectColumn = new TableColumn(table, SWT.NONE, 1);
 		projectColumn.setText(ManifestUIResourceHandler.getString("Project_UI_")); //$NON-NLS-1$ = "Project"
 		projectColumn.setResizable(true);
 		tableLayout.layout(table, true);
 		return availableComponentsViewer;

 	}

 	public void refresh() {

 		IWorkspaceRoot input = ResourcesPlugin.getWorkspace().getRoot();
 		availableComponentsViewer.setInput(input);
 		GridData data = new GridData(GridData.FILL_BOTH);
 		int numlines = Math.min(10, availableComponentsViewer.getTable().getItemCount());
 		data.heightHint = availableComponentsViewer.getTable().getItemHeight() * numlines;
 		availableComponentsViewer.getTable().setLayoutData(data);

 		TableItem [] items = availableComponentsViewer.getTable().getItems();

 		List list = new ArrayList();
 		Object[] comps = getComponentsInEar();

 		for( int i=0; i< items.length; i++ ){
 			Object element = items[i].getData();
 			if( element instanceof IVirtualComponent){
 				IVirtualComponent comp = (IVirtualComponent)element;
 				for( int j=0; j< comps.length; j++ ){
 					IVirtualComponent tempcomp = (IVirtualComponent)comps[j];
 					if( comp.equals(tempcomp)){
 						list.add(comp);
 					}
 				}
 			}
 		}

 		availableComponentsViewer.setCheckedElements(list.toArray());
 		GridData btndata = new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_BEGINNING);
 		buttonColumn.setLayoutData(btndata);

 	}
 }
	/*
	* Created on Jan 17, 2005
	*
	* TODO To change the template for this generated file go to
	* Window - Preferences - Java - Code Style - Code Templates
	*/
	package org.eclipse.jst.j2ee.internal;

	import java.util.ArrayList;
	import java.util.Collections;
	import java.util.List;

	import org.eclipse.core.commands.ExecutionException;
	import org.eclipse.core.resources.IProject;
	import org.eclipse.core.resources.IResource;
	import org.eclipse.core.resources.IWorkspaceRoot;
	import org.eclipse.core.resources.ResourcesPlugin;
	import org.eclipse.core.runtime.IPath;
	import org.eclipse.core.runtime.IProgressMonitor;
	import org.eclipse.core.runtime.IStatus;
	import org.eclipse.core.runtime.NullProgressMonitor;
	import org.eclipse.core.runtime.Path;
	import org.eclipse.jdt.core.JavaCore;
	import org.eclipse.jdt.ui.wizards.BuildPathDialogAccess;
	import org.eclipse.jem.util.logger.proxy.Logger;
	import org.eclipse.jface.viewers.CheckStateChangedEvent;
	import org.eclipse.jface.viewers.CheckboxTableViewer;
	import org.eclipse.jface.viewers.ColumnWeightData;
	import org.eclipse.jface.viewers.ICheckStateListener;
	import org.eclipse.jface.viewers.TableLayout;
	import org.eclipse.jst.common.jdt.internal.integration.IJavaProjectMigrationDataModelProperties;
	import org.eclipse.jst.common.jdt.internal.integration.JavaProjectMigrationDataModelProvider;
	import org.eclipse.jst.j2ee.application.internal.operations.AddComponentToEnterpriseApplicationDataModelProvider;
	import org.eclipse.jst.j2ee.application.internal.operations.RemoveComponentFromEnterpriseApplicationOperation;
	import org.eclipse.jst.j2ee.internal.common.J2EEVersionUtil;
	import org.eclipse.jst.j2ee.internal.plugin.J2EEUIMessages;
	import org.eclipse.swt.SWT;
	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.Control;
	import org.eclipse.swt.widgets.Event;
	import org.eclipse.swt.widgets.Group;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Listener;
	import org.eclipse.swt.widgets.Table;
	import org.eclipse.swt.widgets.TableColumn;
	import org.eclipse.swt.widgets.TableItem;
	import org.eclipse.swt.widgets.Text;
	import org.eclipse.ui.dialogs.PropertyPage;
	import org.eclipse.wst.common.componentcore.ComponentCore;
	import org.eclipse.wst.common.componentcore.ModuleCoreNature;
	import org.eclipse.wst.common.componentcore.datamodel.properties.ICreateReferenceComponentsDataModelProperties;
	import org.eclipse.wst.common.componentcore.internal.operation.CreateReferenceComponentsDataModelProvider;
	import org.eclipse.wst.common.componentcore.internal.operation.RemoveReferenceComponentsDataModelProvider;
	import org.eclipse.wst.common.componentcore.internal.resources.VirtualArchiveComponent;
	import org.eclipse.wst.common.componentcore.internal.util.IModuleConstants;
	import org.eclipse.wst.common.componentcore.resources.IVirtualComponent;
	import org.eclipse.wst.common.componentcore.resources.IVirtualReference;
	import org.eclipse.wst.common.frameworks.datamodel.DataModelFactory;
	import org.eclipse.wst.common.frameworks.datamodel.IDataModel;
	import org.eclipse.wst.common.frameworks.datamodel.IDataModelProvider;

	/**
	*
	* TODO To change the template for this generated type comment go to
	* Window - Preferences - Java - Code Style - Code Templates
	*/
	public class AddModulestoEARPropertiesPage extends PropertyPage implements Listener, ICommonManifestUIConstants {

	protected IProject project;
	protected IVirtualComponent earComponent = null;
	protected Text componentNameText;
	protected Label availableModules;
	protected CheckboxTableViewer availableComponentsViewer;
	protected Button selectAllButton;
	protected Button deselectAllButton;
	protected Button externalJarButton;
	protected Button addVariableButton;
	protected Composite buttonColumn;

	protected List j2eeComponentList = new ArrayList();
	protected List javaProjectsList = new ArrayList();
	protected static final IStatus OK_STATUS = IDataModelProvider.OK_STATUS;

	/**
	* Constructor for AddModulestoEARPropertiesPage.
	*/
	public AddModulestoEARPropertiesPage() {
	super();
	}

	protected Control createContents(Composite parent) {
	initialize();


	Composite composite = new Composite(parent, SWT.NONE);
	GridLayout layout = new GridLayout();
	layout.marginWidth = 0;
	layout.marginWidth = 0;
	composite.setLayout(layout);
	composite.setLayoutData(new GridData(GridData.FILL_BOTH));
	if (earComponent == null)
	return composite;
	createProjectLabelsGroup(composite);
	createListGroup(composite);
	refresh();
	return composite;
	}

	protected void initialize() {
	project = (IProject) getElement().getAdapter(IResource.class);

	if (ModuleCoreNature.isFlexibleProject(project)) {
	IVirtualComponent component = ComponentCore.createComponent(project);
	String compType = component.getComponentTypeId();
	if (compType.equals(IModuleConstants.JST_EAR_MODULE))
	earComponent = component;
	}
	}

	protected void createProjectLabelsGroup(Composite parent) {

	Composite labelsGroup = new Composite(parent, SWT.NONE);
	GridLayout layout = new GridLayout();
	layout.numColumns = 2;
	labelsGroup.setLayout(layout);
	labelsGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

	Label label = new Label(labelsGroup, SWT.NONE);
	label.setText(ManifestUIResourceHandler.getString("Project_name__UI_")); //$NON-NLS-1$ = "Project name:"

	componentNameText = new Text(labelsGroup, SWT.BORDER);
	GridData data = new GridData(GridData.FILL_HORIZONTAL);
	componentNameText.setEditable(false);
	componentNameText.setLayoutData(data);
	componentNameText.setText(project.getName());
	}

	protected void createListGroup(Composite parent) {
	Composite listGroup = new Composite(parent, SWT.NONE);
	GridLayout layout = new GridLayout();
	layout.numColumns = 1;
	layout.marginWidth = 0;
	layout.marginHeight = 0;
	listGroup.setLayout(layout);
	GridData gData = new GridData(GridData.FILL_BOTH);
	gData.horizontalIndent = 5;
	listGroup.setLayoutData(gData);

	availableModules = new Label(listGroup, SWT.NONE);
	gData = new GridData(GridData.HORIZONTAL_ALIGN_FILL \| GridData.VERTICAL_ALIGN_FILL);
	availableModules.setText(J2EEUIMessages.getResourceString("AVAILABLE_J2EE_COMPONENTS")); //$NON-NLS-1$ = "Available dependent JARs:"
	availableModules.setLayoutData(gData);
	createTableComposite(listGroup);
	}

	public void dispose() {
	super.dispose();
	}

	public boolean performOk() {
	NullProgressMonitor monitor = new NullProgressMonitor();
	addModulesToEAR(monitor);
	removeModulesFromEAR(monitor);
	return true;
	}

	private List newJ2EEModulesToAdd(){
	List newComps = new ArrayList();
	if (j2eeComponentList != null && !j2eeComponentList.isEmpty()){
	for (int i = 0; i < j2eeComponentList.size(); i++){
	IVirtualComponent handle = (IVirtualComponent)j2eeComponentList.get(i);
	if( !inEARAlready(handle))
	newComps.add(handle);
	}
	}
	return newComps;
	}

	private IStatus addModulesToEAR(IProgressMonitor monitor) {
	IStatus stat = OK_STATUS;
	try {
	if( earComponent != null ){
	List list = newJ2EEModulesToAdd();
	if (list != null && !list.isEmpty()) {
	IDataModel dm = DataModelFactory.createDataModel(new AddComponentToEnterpriseApplicationDataModelProvider());

	dm.setProperty(ICreateReferenceComponentsDataModelProperties.SOURCE_COMPONENT, earComponent);
	dm.setProperty(ICreateReferenceComponentsDataModelProperties.TARGET_COMPONENT_LIST, list);
	stat = dm.validateProperty(ICreateReferenceComponentsDataModelProperties.TARGET_COMPONENT_LIST);
	if (stat != OK_STATUS)
	return stat;
	dm.getDefaultOperation().execute(monitor, null);
	}

	if (!javaProjectsList.isEmpty()) {

	for (int i = 0; i < javaProjectsList.size(); i++) {
	IProject proj = (IProject) javaProjectsList.get(i);
	IDataModel migrationdm = DataModelFactory.createDataModel(new JavaProjectMigrationDataModelProvider());
	migrationdm.setProperty(IJavaProjectMigrationDataModelProperties.PROJECT_NAME, proj.getName());
	migrationdm.getDefaultOperation().execute(monitor, null);


	IDataModel refdm = DataModelFactory.createDataModel(new CreateReferenceComponentsDataModelProvider());
	List targetCompList = (List) refdm.getProperty(ICreateReferenceComponentsDataModelProperties.TARGET_COMPONENT_LIST);

	IVirtualComponent targetcomponent = ComponentCore.createComponent(proj);
	targetCompList.add(targetcomponent);

	refdm.setProperty(ICreateReferenceComponentsDataModelProperties.SOURCE_COMPONENT, earComponent);
	refdm.setProperty(ICreateReferenceComponentsDataModelProperties.TARGET_COMPONENT_LIST, targetCompList);
	refdm.getDefaultOperation().execute(monitor, null);
	}
	}
	}

	} catch (Exception e) {
	Logger.getLogger().log(e);
	}
	return OK_STATUS;
	}

	private IStatus removeModulesFromEAR(IProgressMonitor monitor) {
	IStatus stat = OK_STATUS;
	if( earComponent != null && j2eeComponentList != null){
	List list = getComponentsToRemove();
	if( !list.isEmpty()){
	try {
	RemoveComponentFromEnterpriseApplicationOperation op = removeComponentFromEAROperation(earComponent, list);
	op.execute(null, null);
	} catch (ExecutionException e) {
	Logger.getLogger().log(e);
	}
	}
	}
	return stat;
	}

	protected RemoveComponentFromEnterpriseApplicationOperation removeComponentFromEAROperation(IVirtualComponent sourceComponent, List targetComponentsHandles) {
	IDataModel model = DataModelFactory.createDataModel(new RemoveReferenceComponentsDataModelProvider());
	model.setProperty(ICreateReferenceComponentsDataModelProperties.SOURCE_COMPONENT, sourceComponent);
	List modHandlesList = (List) model.getProperty(ICreateReferenceComponentsDataModelProperties.TARGET_COMPONENT_LIST);
	modHandlesList.addAll(targetComponentsHandles);
	model.setProperty(ICreateReferenceComponentsDataModelProperties.TARGET_COMPONENT_LIST, modHandlesList);
	return new RemoveComponentFromEnterpriseApplicationOperation(model);
	}

	protected List getComponentsToRemove(){
	j2eeComponentList = getCheckedJ2EEElementsAsList();
	List list = new ArrayList();
	if( earComponent != null && list != null ){
	IVirtualReference[] oldrefs = earComponent.getReferences();
	for (int j = 0; j < oldrefs.length; j++) {
	IVirtualReference ref = oldrefs[j];
	IVirtualComponent handle = ref.getReferencedComponent();
	if( !j2eeComponentList.contains(handle)){
	list.add(handle);
	}
	}
	}
	return list;
	}


	public void handleEvent(Event event) {
	if (event.widget == selectAllButton)
	handleSelectAllButtonPressed();
	else if (event.widget == deselectAllButton)
	handleDeselectAllButtonPressed();
	else if(event.widget == externalJarButton)
	handleSelectExternalJarButton();
	else if(event.widget == addVariableButton)
	handleSelectVariableButton();
	}

	private void handleSelectAllButtonPressed() {
	availableComponentsViewer.setAllChecked(true);
	j2eeComponentList = getCheckedJ2EEElementsAsList();
	javaProjectsList = getCheckedJavaProjectsAsList();
	}

	private void handleDeselectAllButtonPressed() {
	availableComponentsViewer.setAllChecked(false);
	j2eeComponentList = new ArrayList();
	javaProjectsList = new ArrayList();
	}

	private void handleSelectExternalJarButton(){
	IPath[] selected= BuildPathDialogAccess.chooseExternalJAREntries(getShell());

	if (selected != null) {
	for (int i= 0; i < selected.length; i++) {

	String type = VirtualArchiveComponent.LIBARCHIVETYPE + IPath.SEPARATOR;
	IVirtualComponent archive = ComponentCore.createArchiveComponent( earComponent.getProject(), type +
	selected[i].toString());

	ArrayList vlist = new ArrayList();
	IVirtualReference[] oldrefs = earComponent.getReferences();
	for (int j = 0; j < oldrefs.length; j++) {
	IVirtualReference ref = oldrefs[j];
	vlist.add(ref);
	}

	//To do: check if archive component already exists
	IVirtualReference ref = ComponentCore.createReference( earComponent, archive );
	vlist.add(ref);

	IVirtualReference[] refs = new IVirtualReference[vlist.size()];
	for (int j = 0; j < vlist.size(); j++) {
	IVirtualReference tmpref = (IVirtualReference) vlist.get(j);
	refs[j] = tmpref;
	}
	earComponent.setReferences(refs);
	//j2eeComponentList.add(archive.getProject());
	j2eeComponentList.add(archive);
	}
	refresh();
	}

	}

	private void handleSelectVariableButton(){
	IPath existingPath[] = new Path[0];
	IPath[] paths = BuildPathDialogAccess.chooseVariableEntries(getShell(), existingPath);

	if (paths != null) {
	refresh();
	for (int i = 0; i < paths.length; i++) {
	IPath resolvedPath= JavaCore.getResolvedVariablePath(paths[i]);

	java.io.File file = new java.io.File(resolvedPath.toOSString());
	if( file.isFile() && file.exists()){
	String type = VirtualArchiveComponent.VARARCHIVETYPE + IPath.SEPARATOR;

	IVirtualComponent archive = ComponentCore.createArchiveComponent( earComponent.getProject(), type +
	paths[i].toString());

	ArrayList vlist = new ArrayList();
	IVirtualReference[] oldrefs = earComponent.getReferences();
	for (int j = 0; j < oldrefs.length; j++) {
	IVirtualReference ref = oldrefs[j];
	vlist.add(ref);
	}

	//To do: check if archive component already exists
	IVirtualReference ref = ComponentCore.createReference( earComponent, archive );
	vlist.add(ref);

	IVirtualReference[] refs = new IVirtualReference[vlist.size()];
	for (int j = 0; j < vlist.size(); j++) {
	IVirtualReference tmpref = (IVirtualReference) vlist.get(j);
	refs[j] = tmpref;
	}
	earComponent.setReferences(refs);
	j2eeComponentList.add(archive);
	}else{
	//display error
	}
	}
	refresh();
	}
	}

	protected void createTableComposite(Composite parent) {
	Composite composite = new Composite(parent, SWT.NONE);
	GridData gData = new GridData(GridData.FILL_BOTH);
	composite.setLayoutData(gData);
	fillComposite(composite);
	}

	public void fillComposite(Composite parent) {
	GridLayout layout = new GridLayout();
	layout.numColumns = 2;
	layout.marginHeight = 0;
	parent.setLayout(layout);
	parent.setLayoutData(new GridData(GridData.FILL_BOTH));
	createTable(parent);
	createButtonColumn(parent);
	}

	protected void createButtonColumn(Composite parent) {
	buttonColumn = createButtonColumnComposite(parent);
	GridData data = new GridData(GridData.HORIZONTAL_ALIGN_END);
	buttonColumn.setLayoutData(data);
	createPushButtons();
	}

	protected void createPushButtons() {
	selectAllButton = createPushButton(SELECT_ALL_BUTTON);
	deselectAllButton = createPushButton(DE_SELECT_ALL_BUTTON);
	externalJarButton = createPushButton(J2EEUIMessages.getResourceString("EXTERNAL_JAR"));//$NON-NLS-1$
	addVariableButton = createPushButton(J2EEUIMessages.getResourceString("ADDVARIABLE"));//$NON-NLS-1$
	}

	protected Button createPushButton(String label) {
	Button aButton = primCreatePushButton(label, buttonColumn);
	aButton.addListener(SWT.Selection, this);
	aButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
	return aButton;
	}

	public Button primCreatePushButton(String label, Composite aButtonColumn) {
	Button aButton = new Button(aButtonColumn, SWT.PUSH);
	aButton.setText(label);
	return aButton;
	}

	public Composite createButtonColumnComposite(Composite parent) {
	Composite aButtonColumn = new Composite(parent, SWT.NONE);
	GridLayout layout = new GridLayout();
	layout.numColumns = 1;
	layout.marginHeight = 0;
	layout.marginWidth = 0;
	aButtonColumn.setLayout(layout);
	GridData data = new GridData(GridData.HORIZONTAL_ALIGN_FILL \| GridData.VERTICAL_ALIGN_BEGINNING);
	aButtonColumn.setLayoutData(data);
	return aButtonColumn;
	}

	public Group createGroup(Composite parent) {
	return new Group(parent, SWT.NULL);
	}

	protected void createTable(Composite parent) {
	availableComponentsViewer = createavailableComponentsViewer(parent);
	GridData gd = new GridData(GridData.HORIZONTAL_ALIGN_FILL \| GridData.FILL_VERTICAL);
	availableComponentsViewer.getTable().setLayoutData(gd);

	if (earComponent != null) {
	int j2eeVersion = J2EEVersionUtil.convertVersionStringToInt(earComponent);
	AvailableJ2EEComponentsForEARContentProvider provider = new AvailableJ2EEComponentsForEARContentProvider(earComponent, j2eeVersion);
	availableComponentsViewer.setContentProvider(provider);
	availableComponentsViewer.setLabelProvider(provider);

	addTableListeners();
	}
	}

	protected void addTableListeners() {
	addCheckStateListener();
	}

	protected void addCheckStateListener() {
	availableComponentsViewer.addCheckStateListener(new ICheckStateListener() {
	public void checkStateChanged(CheckStateChangedEvent event) {
	j2eeComponentList = getCheckedJ2EEElementsAsList();
	javaProjectsList = getCheckedJavaProjectsAsList();

	}
	});
	}

	protected Object[] getComponentsInEar() {
	List list = new ArrayList();
	IVirtualReference refs[] = earComponent.getReferences();
	for( int i=0; i< refs.length; i++){
	IVirtualReference ref = refs[i];
	list.add(ref.getReferencedComponent());
	}
	return list.toArray();
	}

	/**
	*
	* @param componentHandle
	* @return
	* @description returns true is a component is already in the EAR as a dependent
	*/
	protected boolean inEARAlready(IVirtualComponent component){
	IVirtualReference refs[] = earComponent.getReferences();
	for( int i=0; i< refs.length; i++){
	IVirtualReference ref = refs[i];
	if ( ref.getReferencedComponent().equals( component ))
	return true;
	}
	return false;
	}

	protected List getCheckedJ2EEElementsAsList() {
	Object[] elements = availableComponentsViewer.getCheckedElements();
	List list;
	if (elements == null \|\| elements.length == 0)
	list = Collections.EMPTY_LIST;
	else {
	list = new ArrayList();
	for (int i = 0; i < elements.length; i++) {
	if (elements[i] instanceof IVirtualComponent) {
	list.add(elements[i]);
	}
	}
	}
	return list;
	}

	protected List getCheckedJavaProjectsAsList() {
	Object[] elements = availableComponentsViewer.getCheckedElements();
	List list;
	if (elements == null \|\| elements.length == 0)
	list = Collections.EMPTY_LIST;
	else {
	list = new ArrayList();
	for (int i = 0; i < elements.length; i++) {
	if (elements[i] instanceof IProject) {
	list.add(elements[i]);
	}
	}
	}
	return list;
	}

	public CheckboxTableViewer createavailableComponentsViewer(Composite parent) {
	int flags = SWT.CHECK \| SWT.BORDER \| SWT.FULL_SELECTION \| SWT.MULTI;

	Table table = new Table(parent, flags);
	availableComponentsViewer = new CheckboxTableViewer(table);

	// set up table layout
	TableLayout tableLayout = new org.eclipse.jface.viewers.TableLayout();
	tableLayout.addColumnData(new ColumnWeightData(200, true));
	tableLayout.addColumnData(new ColumnWeightData(200, true));
	table.setLayout(tableLayout);
	table.setHeaderVisible(true);
	table.setLinesVisible(true);
	availableComponentsViewer.setSorter(null);

	// table columns
	TableColumn fileNameColumn = new TableColumn(table, SWT.NONE, 0);
	fileNameColumn.setText(ManifestUIResourceHandler.getString("JAR/Module_UI_")); //$NON-NLS-1$
	fileNameColumn.setResizable(true);

	TableColumn projectColumn = new TableColumn(table, SWT.NONE, 1);
	projectColumn.setText(ManifestUIResourceHandler.getString("Project_UI_")); //$NON-NLS-1$ = "Project"
	projectColumn.setResizable(true);
	tableLayout.layout(table, true);
	return availableComponentsViewer;

	}

	public void refresh() {

	IWorkspaceRoot input = ResourcesPlugin.getWorkspace().getRoot();
	availableComponentsViewer.setInput(input);
	GridData data = new GridData(GridData.FILL_BOTH);
	int numlines = Math.min(10, availableComponentsViewer.getTable().getItemCount());
	data.heightHint = availableComponentsViewer.getTable().getItemHeight() * numlines;
	availableComponentsViewer.getTable().setLayoutData(data);

	TableItem [] items = availableComponentsViewer.getTable().getItems();

	List list = new ArrayList();
	Object[] comps = getComponentsInEar();

	for( int i=0; i< items.length; i++ ){
	Object element = items[i].getData();
	if( element instanceof IVirtualComponent){
	IVirtualComponent comp = (IVirtualComponent)element;
	for( int j=0; j< comps.length; j++ ){
	IVirtualComponent tempcomp = (IVirtualComponent)comps[j];
	if( comp.equals(tempcomp)){
	list.add(comp);
	}
	}
	}
	}

	availableComponentsViewer.setCheckedElements(list.toArray());
	GridData btndata = new GridData(GridData.HORIZONTAL_ALIGN_FILL \| GridData.VERTICAL_ALIGN_BEGINNING);
	buttonColumn.setLayoutData(btndata);

	}
	}