bundles/org.eclipse.jst.ws.jaxrs.ui/src/org/eclipse/jst/ws/jaxrs/ui/internal/jaxrslibraryconfig/JAXRSLibraryConfigControl.java - webservices/webtools.webservices - Git at Google

 /*******************************************************************************
  * Copyright (c) 2009 IBM Corporation 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:
  * IBM Corporation - initial API and implementation
  * yyyymmdd bug      Email and other contact information
  * -------- -------- -----------------------------------------------------------
  * 20091021   291954 ericdp@ca.ibm.com - Eric D. Peters, JAX-RS: Implement JAX-RS Facet
  *******************************************************************************/package org.eclipse.jst.ws.jaxrs.ui.internal.jaxrslibraryconfig;

 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.EventObject;
 import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Set;
 import java.util.Vector;

 import org.eclipse.core.runtime.ISafeRunnable;
 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.jface.util.SafeRunnable;
 import org.eclipse.jface.viewers.ComboViewer;
 import org.eclipse.jface.viewers.ISelectionChangedListener;
 import org.eclipse.jface.viewers.IStructuredContentProvider;
 import org.eclipse.jface.viewers.LabelProvider;
 import org.eclipse.jface.viewers.SelectionChangedEvent;
 import org.eclipse.jface.viewers.StructuredSelection;
 import org.eclipse.jface.viewers.Viewer;
 import org.eclipse.jface.window.Window;
 import org.eclipse.jface.wizard.WizardDialog;
 import org.eclipse.jst.ws.jaxrs.core.internal.jaxrsibraryregistry.JAXRSLibrary;
 import org.eclipse.jst.ws.jaxrs.core.internal.jaxrsibraryregistry.JAXRSLibraryRegistry;
 import org.eclipse.jst.ws.jaxrs.core.internal.jaxrslibraryconfig.JAXRSLibraryConfigModel;
 import org.eclipse.jst.ws.jaxrs.core.internal.jaxrslibraryconfig.JAXRSLibraryConfiglModelSource;
 import org.eclipse.jst.ws.jaxrs.core.internal.jaxrslibraryconfig.JAXRSLibraryInternalReference;
 import org.eclipse.jst.ws.jaxrs.core.internal.jaxrslibraryconfig.JAXRSLibraryRegistryUtil;
 import org.eclipse.jst.ws.jaxrs.core.internal.jaxrssharedlibraryconfig.SharedLibraryConfiguratorUtil;
 import org.eclipse.jst.ws.jaxrs.core.internal.project.facet.IJAXRSFacetInstallDataModelProperties;
 import org.eclipse.jst.ws.jaxrs.ui.internal.JAXRSUIPlugin;
 import org.eclipse.jst.ws.jaxrs.ui.internal.Messages;
 import org.eclipse.jst.ws.jaxrs.ui.internal.classpath.JAXRSLibraryWizard;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.graphics.Image;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Combo;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.ui.IWorkbench;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.wst.common.frameworks.datamodel.IDataModel;
 import org.eclipse.wst.common.frameworks.internal.datamodel.ui.DataModelSynchHelper;

 /**
  * A custom control used in wizard and property pages.
  *
  */
 @SuppressWarnings("restriction")
 public class JAXRSLibraryConfigControl extends Composite {

 	private JAXRSLibraryConfigModel workingCopyModel = null;

 	private ComboViewer cvImplLib;
 	private Composite includeLibRadiosComposite;
 	private Button btnIncludeLibrariesGroup;
 	private Button btnDeployJars;
 	private Button btnSharedLibrary;

 	private Combo comboImplLib;
 	private Vector<IJAXRSImplLibraryCreationListener> newJAXRSLibCreatedListeners = new Vector<IJAXRSImplLibraryCreationListener>();
 	private Set<JAXRSLibraryConfigControlChangeListener> _changeListeners;
 	private boolean _initing;
 	private IDataModel model;

 	/**
 	 * @param listener
 	 */
 	public void addOkClickedListener(IJAXRSImplLibraryCreationListener listener) {
 		newJAXRSLibCreatedListeners.addElement(listener);
 	}

 	/**
 	 * @param listener
 	 */
 	public void removeOkClickedListener(
 			IJAXRSImplLibraryCreationListener listener) {
 		newJAXRSLibCreatedListeners.removeElement(listener);
 	}

 	/**
 	 * @param listener
 	 */
 	public void addChangeListener(
 			JAXRSLibraryConfigControlChangeListener listener) {
 		getChangeListeners().add(listener);
 	}

 	/**
 	 * @param listener
 	 */
 	public void removeChangeListener(
 			JAXRSLibraryConfigControlChangeListener listener) {
 		if (getChangeListeners().contains(listener))
 			getChangeListeners().remove(listener);
 	}

 	private Set<JAXRSLibraryConfigControlChangeListener> getChangeListeners() {
 		if (_changeListeners == null) {
 			_changeListeners = new HashSet<JAXRSLibraryConfigControlChangeListener>();
 		}
 		return _changeListeners;
 	}

 	private void fireChangedEvent(final EventObject e) {
 		if (_initing)
 			return;
 		SafeRunnable.run(new ISafeRunnable() {
 			public void handleException(Throwable exception) {
 				JAXRSUIPlugin.log(IStatus.ERROR, exception
 						.getLocalizedMessage());
 			}

 			public void run() throws Exception {
 				for (Iterator<JAXRSLibraryConfigControlChangeListener> it = getChangeListeners()
 						.iterator(); it.hasNext();) {
 					it.next().changed(
 							new JAXRSLibraryConfigControlChangeEvent(e));
 				}
 			}
 		});
 	}

 	/**
 	 * Create the composite
 	 *
 	 * @param parent
 	 * @param style
 	 */
 	public JAXRSLibraryConfigControl(Composite parent, int style) {
 		super(parent, style);
 		final GridLayout gridLayoutImpls = new GridLayout(3, false);
 		gridLayoutImpls.marginLeft = 0;
 		gridLayoutImpls.marginTop = 0;
 		gridLayoutImpls.marginBottom = 0;

 		this.setLayout(gridLayoutImpls);
 		GridData gd = new GridData(GridData.FILL_HORIZONTAL);
 		this.setData(gd);
 		_initing = true;
 		createControls();
 	}

 	/**
 	 * set control values from provided model.
 	 *
 	 * @param source
 	 */
 	public void loadControlValuesFromModel(JAXRSLibraryConfiglModelSource source) {
 		if (source != null) {
 			// never read persistentModel = source;
 			workingCopyModel = JAXRSLibraryConfigModel.JAXRSLibraryConfigModelFactory
 					.createInstance(source);
 			initializeControlValues();
 			_initing = false;
 		} else {
 			JAXRSUIPlugin.log(IStatus.ERROR,
 					Messages.JAXRSLibraryConfigControl_NullProject);
 		}

 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see org.eclipse.swt.widgets.Widget#dispose()
 	 */
 	public void dispose() {
 		super.dispose();
 	}

 	/**
 	 * Return current selected JAXRS Implementation Library. Otherwise, return
 	 * null.
 	 *
 	 * @return JAXRSLibraryInternalReference
 	 */
 	public JAXRSLibraryInternalReference getSelectedJAXRSLibImplementation() {
 		return workingCopyModel.getCurrentJAXRSImplementationLibrarySelection();
 	}

 	/**
 	 *
 	 * @return JAXRSLibraryConfigModelAdapter
 	 */
 	public JAXRSLibraryConfigModel getWorkingModel() {
 		return workingCopyModel;
 	}

 	private void initializeControlValues() {
 		loadJAXRSImplList();

 		btnDeployJars.setSelection(false);
 		btnSharedLibrary.setSelection(false);
 		btnIncludeLibrariesGroup.setSelection(false);
 		JAXRSLibraryInternalReference savedImplLib = workingCopyModel
 				.getSavedJAXRSImplementationLibrary();
 		if (savedImplLib != null) {
 			/*
 			 * Get the input for the control to set selection.
 			 */
 			JAXRSLibraryInternalReference selected = JAXRSLibraryRegistryUtil
 					.getInstance().getJAXRSLibraryReferencebyID(
 							savedImplLib.getID());
 			if (selected != null) {
 				cvImplLib.setSelection(new StructuredSelection(selected), true);
 			}
 			updateIncludeLibrariesGroupState(selected);

 		} else {
 			JAXRSLibraryInternalReference dftJAXRSImplLib = JAXRSLibraryRegistryUtil
 					.getInstance().getDefaultJAXRSImplementationLibrary();
 			if (dftJAXRSImplLib != null) {
 				cvImplLib.setSelection(
 						new StructuredSelection(dftJAXRSImplLib), true);
 			}
 			updateIncludeLibrariesGroupState(dftJAXRSImplLib);
 		}

 		redraw();
 	}

 	private void updateIncludeLibrariesGroupState(
 			JAXRSLibraryInternalReference selected) {
 		if (selected == null) {
 			btnIncludeLibrariesGroup.setEnabled(false);
 			setChildrenEnabled(includeLibRadiosComposite, false);

 		} else {
 			btnIncludeLibrariesGroup.setEnabled(true);
 			btnIncludeLibrariesGroup.setSelection(selected
 					.isCheckedToBeDeployed()
 					|| (selected.isSharedLibSupported() && selected
 							.isCheckedToBeSharedLibrary()));
 			updateChildrenState(selected);
 		}

 	}

 	private void updateChildrenState(JAXRSLibraryInternalReference selected) {
 		btnDeployJars.setSelection(selected.isCheckedToBeDeployed()
 				|| (btnIncludeLibrariesGroup.getSelection() && (!selected
 						.isSharedLibSupported() || (selected
 						.isSharedLibSupported() && !selected
 						.isCheckedToBeSharedLibrary()))));
 		// shared library has precedence
 		btnSharedLibrary.setSelection(selected.isSharedLibSupported()
 				&& selected.isCheckedToBeSharedLibrary());
 		btnSharedLibrary.setEnabled(btnIncludeLibrariesGroup.getSelection() && selected.isSharedLibSupported());
 		btnDeployJars.setEnabled(btnIncludeLibrariesGroup.getSelection());
 		selected.setToBeDeployed(btnIncludeLibrariesGroup.getSelection() && btnDeployJars.getSelection());
 		selected.setToBeSharedLibrary(btnIncludeLibrariesGroup.getSelection() && selected.isSharedLibSupported() && btnSharedLibrary.getSelection());

 	}

 	private void loadJAXRSImplList() {
 		cvImplLib.setInput(workingCopyModel.getJAXRSImplementationLibraries());
 	}

 	private JAXRSLibraryInternalReference getCurrentSelectedJAXRSImplLib() {
 		JAXRSLibraryInternalReference selJAXRSImpl = null;
 		StructuredSelection objs = (StructuredSelection) cvImplLib
 				.getSelection();
 		if (objs != null) {
 			if (objs.getFirstElement() instanceof JAXRSLibraryInternalReference) {
 				selJAXRSImpl = (JAXRSLibraryInternalReference) objs
 						.getFirstElement();
 			}
 		}
 		return selJAXRSImpl;
 	}

 	private void createImplLibControls() {
 		Composite cmpImpls = this;

 		Label library = new Label(cmpImpls, SWT.NONE);
 		GridData gd = new GridData(GridData.FILL_HORIZONTAL);
 		gd.grabExcessHorizontalSpace = true;
 		library.setLayoutData(gd);
 		library.setText(Messages.JAXRSLibraryConfigControl_Library);
 		cvImplLib = new ComboViewer(cmpImpls, SWT.READ_ONLY);

 		cvImplLib.setLabelProvider(new ImplLibCVListLabelProvider());
 		cvImplLib.setContentProvider(new ImplLibCVContentProvider());
 		comboImplLib = cvImplLib.getCombo();
 		GridData gd2 = new GridData(GridData.FILL_HORIZONTAL);
 		gd2.widthHint = 275;
 		comboImplLib.setLayoutData(gd2);

 		cvImplLib.addSelectionChangedListener(new ISelectionChangedListener() {
 			public void selectionChanged(SelectionChangedEvent event) {
 				StructuredSelection ss = (StructuredSelection) event
 						.getSelection();
 				JAXRSLibraryInternalReference crtSelImplLib = (JAXRSLibraryInternalReference) ss
 						.getFirstElement();
 				updateIncludeLibrariesGroupState(crtSelImplLib);
 //				if (crtSelImplLib != null) {
 //					crtSelImplLib.setToBeDeployed(btnDeployJars.getSelection());
 //					crtSelImplLib.setToBeSharedLibrary(crtSelImplLib.isSharedLibSupported() && btnSharedLibrary.getSelection() );
 //				}
 				workingCopyModel
 						.setCurrentJAXRSImplementationLibrarySelection(crtSelImplLib);
 				model.setProperty(
 						IJAXRSFacetInstallDataModelProperties.IMPLEMENTATION,
 						crtSelImplLib);
 				fireChangedEvent(event);
 			}
 		});


 		final Button btnNewImpl = new Button(cmpImpls, SWT.NONE);
 		GridData gd4 = new GridData(GridData.FILL_HORIZONTAL);
 		btnNewImpl.setLayoutData(gd4);

 		btnNewImpl
 				.setText(Messages.JAXRSLibraryConfigControl_NewImplementationLibrary);
 		btnNewImpl
 				.setToolTipText(Messages.JAXRSLibraryConfigControl_NewImplButtonTooltip);
 		btnNewImpl.addSelectionListener(new SelectionAdapter() {
 			@SuppressWarnings("unchecked")
 			public void widgetSelected(SelectionEvent e) {
 				JAXRSLibraryWizard wizard = new JAXRSLibraryWizard();
 				IWorkbench wb = PlatformUI.getWorkbench();
 				wizard.init(wb, null);
 				WizardDialog dialog = new WizardDialog(wb
 						.getActiveWorkbenchWindow().getShell(), wizard);
 				int ret = dialog.open();
 				if (ret == Window.OK) {
 					JAXRSLibraryInternalReference lib = new JAXRSLibraryInternalReference(
 							wizard.getJAXRSLibrary(), true, true, false);
 					boolean sharedLibSupported = SharedLibraryConfiguratorUtil.isSharedLibSupportAvailable(lib.getID(), model
 							.getStringProperty(IJAXRSFacetInstallDataModelProperties.TARGETRUNTIME), SharedLibraryConfiguratorUtil.getWebProject(model), SharedLibraryConfiguratorUtil.getEARProject(model), SharedLibraryConfiguratorUtil.getAddToEar(model));

 					lib.setSharedLibSupported(sharedLibSupported);
 					JAXRSLibraryRegistryUtil.getInstance().addJAXRSLibrary(lib);
 					workingCopyModel.getJAXRSImplementationLibraries().add(lib);
 					workingCopyModel
 							.setCurrentJAXRSImplementationLibrarySelection(lib);

 					loadJAXRSImplList();
 					updateIncludeLibrariesGroupState(lib);
 					cvImplLib.setSelection(new StructuredSelection(lib), true);

 				}
 				// notify listeners that a JAXRS implementation is created.
 				JAXRSImplLibraryCreationEvent event = new JAXRSImplLibraryCreationEvent(
 						this, (ret == Window.OK));
 				int size = newJAXRSLibCreatedListeners.size();
 				for (int i = 0; i < size; i++) {
 					IJAXRSImplLibraryCreationListener listener = newJAXRSLibCreatedListeners
 							.elementAt(i);
 					listener.okClicked(event);
 				}
 			}
 		});

 		btnIncludeLibrariesGroup = createCheckbox(cmpImpls,
 				Messages.JAXRSLibraryConfigControl_IncludeGroupLabel,
 				null, null);
 		((GridData)this.getData()).horizontalSpan = 3;
 		GridData gd3 = new GridData(GridData.FILL_HORIZONTAL);
 		gd3.verticalIndent =15;
 		gd3.horizontalSpan = 3;


 		btnIncludeLibrariesGroup.setLayoutData(gd3);
 		includeLibRadiosComposite  = new Composite( cmpImpls, SWT.NONE );

 	    GridLayout gridlayout   = new GridLayout();
 	    gridlayout.numColumns   = 1;
 	    gridlayout.marginLeft = 25;

 	    includeLibRadiosComposite.setLayout( gridlayout );
 	    GridData griddata = new GridData(GridData.FILL_HORIZONTAL);
 	    includeLibRadiosComposite.setLayoutData( griddata );

 	    btnDeployJars = createRadioButton(includeLibRadiosComposite, Messages.JAXRSLibraryConfigControl_DeployButtonLabel, Messages.JAXRSLibraryConfigControl_DeployJAR , null);
 		btnDeployJars.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				if (!_initing) {
 					JAXRSLibraryInternalReference jaxrslib = getCurrentSelectedJAXRSImplLib();
 					if (jaxrslib != null)
 						jaxrslib.setToBeDeployed(btnDeployJars.getSelection());
 					workingCopyModel
 							.setCurrentJAXRSImplementationLibrarySelection(jaxrslib);
 					model.setProperty(IJAXRSFacetInstallDataModelProperties.DEPLOY_IMPLEMENTATION,
 					btnDeployJars.getSelection());
 					fireChangedEvent(e);
 				}
 			}
 		});


 		btnSharedLibrary = createRadioButton(includeLibRadiosComposite, Messages.JAXRSLibraryConfigControl_SharedLibButtonLabel, Messages.JAXRSLibraryConfigControl_TooltipIncludeAsSharedLib, null);

 		btnSharedLibrary.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				if (!_initing) {
  					JAXRSLibraryInternalReference jaxrslib = getCurrentSelectedJAXRSImplLib();
 					if (jaxrslib != null) {
 						jaxrslib.setToBeSharedLibrary(btnSharedLibrary.getSelection());
 					}
 					workingCopyModel
 					.setCurrentJAXRSImplementationLibrarySelection(jaxrslib);
          			model.setProperty(IJAXRSFacetInstallDataModelProperties.SHAREDLIBRARY, btnSharedLibrary.getSelection());
          			fireChangedEvent(e);
 				}
 			}
 		});


 		btnIncludeLibrariesGroup.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				if (!_initing) {
 					JAXRSLibraryInternalReference crtSelImplLib = (JAXRSLibraryInternalReference) ((StructuredSelection) cvImplLib
 							.getSelection()).getFirstElement();

 					if (btnIncludeLibrariesGroup.getSelection()) {
 						updateChildrenState(crtSelImplLib);
 					} else {
 						setChildrenEnabled(includeLibRadiosComposite, false);
 						crtSelImplLib.setToBeDeployed(false);
 						crtSelImplLib.setToBeSharedLibrary(false);
 					}
 				}
 			}
 		});
 	}

 	private void createControls() {
 		setRedraw(true);
 		createImplLibControls();

 	}

 	/**
 	 * Configure the JAXRSLibraryConfigControl elements to used the containers
 	 * synchHelper
 	 *
 	 * @param synchHelper
 	 */
 	public void setSynchHelper(DataModelSynchHelper synchHelper) {
 		model = synchHelper.getDataModel();
 		synchHelper.synchCombo(cvImplLib.getCombo(),
 				IJAXRSFacetInstallDataModelProperties.IMPLEMENTATION_LIBRARIES,
 				null);
 		synchHelper.synchCheckbox(btnDeployJars,
 				IJAXRSFacetInstallDataModelProperties.DEPLOY_IMPLEMENTATION,
 				null);
 		synchHelper.synchCheckbox(btnSharedLibrary,
 				IJAXRSFacetInstallDataModelProperties.SHAREDLIBRARY,
 				null);
 		// not using synch helper for IMPLEMENTATION_TYPE
 		// synchHelper.synchCheckBoxTableViewer(ctvSelCompLib,
 		// IJAXRSFacetInstallDataModelProperties.COMPONENT_LIBRARIES, new
 		// Control[]{hiddenList});
 	}

 	private static class ImplLibCVContentProvider implements
 			IStructuredContentProvider {
 		@SuppressWarnings("unchecked")
 		private List jaxrsImplLibs = new ArrayList(0);

 		public Object[] getElements(Object inputElement) {
 			return jaxrsImplLibs.toArray();
 		}

 		public void dispose() {
 			// do nothing
 		}

 		@SuppressWarnings("unchecked")
 		public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
 			if (newInput == null) {
 				jaxrsImplLibs = Collections.EMPTY_LIST;
 			} else {
 				jaxrsImplLibs = (List) newInput;
 			}
 		}
 	}

 	private static class ImplLibCVListLabelProvider extends LabelProvider {
 		private JAXRSLibrary defaultImpl = null;

 		public String getText(Object element) {
 			if (element instanceof JAXRSLibraryInternalReference) {
 				StringBuffer labelBuf = new StringBuffer(
 						((JAXRSLibraryInternalReference) element).getLabel());
 				JAXRSLibrary lib = ((JAXRSLibraryInternalReference) element)
 						.getLibrary();
 				if (getDefaultImpl() != null && lib != null
 						&& lib.getID().equals(getDefaultImpl().getID()))
 					labelBuf
 							.append(" ").append(JAXRSLibraryRegistry.DEFAULT_IMPL_LABEL); //$NON-NLS-1$
 				return labelBuf.toString();
 			}
 			return null;
 		}

 		private JAXRSLibrary getDefaultImpl() {
 			if (defaultImpl == null) {
 				JAXRSLibraryRegistry jaxrslibreg = JAXRSLibraryRegistryUtil
 						.getInstance().getJAXRSLibraryRegistry();
 				defaultImpl = jaxrslibreg.getDefaultImplementation();
 			}
 			return defaultImpl;
 		}

 		public Image getImage(Object element) {
 			return null;
 		}
 	}

 	private Button createRadioButton(Composite parent, String labelName,
 			String tooltip, String infopop) {
 		return createButton(SWT.RADIO, parent, labelName, tooltip, infopop);
 	}

 	private Button createButton(int kind, Composite parent, String labelName,
 			String tooltip, String infopop) {
 		Button button = new Button(parent, kind);

 		tooltip = tooltip == null ? labelName : tooltip;
 		button.setText(labelName);
 		button.setToolTipText(tooltip);

 		if (infopop != null)
 			PlatformUI.getWorkbench().getHelpSystem().setHelp(button,
 					JAXRSUIPlugin.PLUGIN_ID + "." + infopop);

 		return button;
 	}

 	private Button createCheckbox( Composite parent, String labelName, String tooltip, String infopop )
 	  {
 	    return createButton( SWT.CHECK, parent, labelName, tooltip, infopop );
 	  }


 	public boolean getIncludeLibs() {
 		if (btnIncludeLibrariesGroup != null) {
 			return btnIncludeLibrariesGroup.getSelection();
 		}
 		return false;
 	}

 	public static void setChildrenEnabled(Composite parentComposite, boolean enabled) {
 		Control[] wsdlControls = parentComposite.getChildren();
 		for (int i=0; i<wsdlControls.length; i++) {
 			wsdlControls[i].setEnabled(enabled);
 		}
 	}


 }
	/*******************************************************************************
	* Copyright (c) 2009 IBM Corporation 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:
	* IBM Corporation - initial API and implementation
	* yyyymmdd bug Email and other contact information
	* -------- -------- -----------------------------------------------------------
	* 20091021 291954 ericdp@ca.ibm.com - Eric D. Peters, JAX-RS: Implement JAX-RS Facet
	*******************************************************************************/package org.eclipse.jst.ws.jaxrs.ui.internal.jaxrslibraryconfig;

	import java.util.ArrayList;
	import java.util.Collections;
	import java.util.EventObject;
	import java.util.HashSet;
	import java.util.Iterator;
	import java.util.List;
	import java.util.Set;
	import java.util.Vector;

	import org.eclipse.core.runtime.ISafeRunnable;
	import org.eclipse.core.runtime.IStatus;
	import org.eclipse.jface.util.SafeRunnable;
	import org.eclipse.jface.viewers.ComboViewer;
	import org.eclipse.jface.viewers.ISelectionChangedListener;
	import org.eclipse.jface.viewers.IStructuredContentProvider;
	import org.eclipse.jface.viewers.LabelProvider;
	import org.eclipse.jface.viewers.SelectionChangedEvent;
	import org.eclipse.jface.viewers.StructuredSelection;
	import org.eclipse.jface.viewers.Viewer;
	import org.eclipse.jface.window.Window;
	import org.eclipse.jface.wizard.WizardDialog;
	import org.eclipse.jst.ws.jaxrs.core.internal.jaxrsibraryregistry.JAXRSLibrary;
	import org.eclipse.jst.ws.jaxrs.core.internal.jaxrsibraryregistry.JAXRSLibraryRegistry;
	import org.eclipse.jst.ws.jaxrs.core.internal.jaxrslibraryconfig.JAXRSLibraryConfigModel;
	import org.eclipse.jst.ws.jaxrs.core.internal.jaxrslibraryconfig.JAXRSLibraryConfiglModelSource;
	import org.eclipse.jst.ws.jaxrs.core.internal.jaxrslibraryconfig.JAXRSLibraryInternalReference;
	import org.eclipse.jst.ws.jaxrs.core.internal.jaxrslibraryconfig.JAXRSLibraryRegistryUtil;
	import org.eclipse.jst.ws.jaxrs.core.internal.jaxrssharedlibraryconfig.SharedLibraryConfiguratorUtil;
	import org.eclipse.jst.ws.jaxrs.core.internal.project.facet.IJAXRSFacetInstallDataModelProperties;
	import org.eclipse.jst.ws.jaxrs.ui.internal.JAXRSUIPlugin;
	import org.eclipse.jst.ws.jaxrs.ui.internal.Messages;
	import org.eclipse.jst.ws.jaxrs.ui.internal.classpath.JAXRSLibraryWizard;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.graphics.Image;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Button;
	import org.eclipse.swt.widgets.Combo;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Control;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.ui.IWorkbench;
	import org.eclipse.ui.PlatformUI;
	import org.eclipse.wst.common.frameworks.datamodel.IDataModel;
	import org.eclipse.wst.common.frameworks.internal.datamodel.ui.DataModelSynchHelper;

	/**
	* A custom control used in wizard and property pages.
	*
	*/
	@SuppressWarnings("restriction")
	public class JAXRSLibraryConfigControl extends Composite {

	private JAXRSLibraryConfigModel workingCopyModel = null;

	private ComboViewer cvImplLib;
	private Composite includeLibRadiosComposite;
	private Button btnIncludeLibrariesGroup;
	private Button btnDeployJars;
	private Button btnSharedLibrary;

	private Combo comboImplLib;
	private Vector<IJAXRSImplLibraryCreationListener> newJAXRSLibCreatedListeners = new Vector<IJAXRSImplLibraryCreationListener>();
	private Set<JAXRSLibraryConfigControlChangeListener> _changeListeners;
	private boolean _initing;
	private IDataModel model;

	/**
	* @param listener
	*/
	public void addOkClickedListener(IJAXRSImplLibraryCreationListener listener) {
	newJAXRSLibCreatedListeners.addElement(listener);
	}

	/**
	* @param listener
	*/
	public void removeOkClickedListener(
	IJAXRSImplLibraryCreationListener listener) {
	newJAXRSLibCreatedListeners.removeElement(listener);
	}

	/**
	* @param listener
	*/
	public void addChangeListener(
	JAXRSLibraryConfigControlChangeListener listener) {
	getChangeListeners().add(listener);
	}

	/**
	* @param listener
	*/
	public void removeChangeListener(
	JAXRSLibraryConfigControlChangeListener listener) {
	if (getChangeListeners().contains(listener))
	getChangeListeners().remove(listener);
	}

	private Set<JAXRSLibraryConfigControlChangeListener> getChangeListeners() {
	if (_changeListeners == null) {
	_changeListeners = new HashSet<JAXRSLibraryConfigControlChangeListener>();
	}
	return _changeListeners;
	}

	private void fireChangedEvent(final EventObject e) {
	if (_initing)
	return;
	SafeRunnable.run(new ISafeRunnable() {
	public void handleException(Throwable exception) {
	JAXRSUIPlugin.log(IStatus.ERROR, exception
	.getLocalizedMessage());
	}

	public void run() throws Exception {
	for (Iterator<JAXRSLibraryConfigControlChangeListener> it = getChangeListeners()
	.iterator(); it.hasNext();) {
	it.next().changed(
	new JAXRSLibraryConfigControlChangeEvent(e));
	}
	}
	});
	}

	/**
	* Create the composite
	*
	* @param parent
	* @param style
	*/
	public JAXRSLibraryConfigControl(Composite parent, int style) {
	super(parent, style);
	final GridLayout gridLayoutImpls = new GridLayout(3, false);
	gridLayoutImpls.marginLeft = 0;
	gridLayoutImpls.marginTop = 0;
	gridLayoutImpls.marginBottom = 0;

	this.setLayout(gridLayoutImpls);
	GridData gd = new GridData(GridData.FILL_HORIZONTAL);
	this.setData(gd);
	_initing = true;
	createControls();
	}

	/**
	* set control values from provided model.
	*
	* @param source
	*/
	public void loadControlValuesFromModel(JAXRSLibraryConfiglModelSource source) {
	if (source != null) {
	// never read persistentModel = source;
	workingCopyModel = JAXRSLibraryConfigModel.JAXRSLibraryConfigModelFactory
	.createInstance(source);
	initializeControlValues();
	_initing = false;
	} else {
	JAXRSUIPlugin.log(IStatus.ERROR,
	Messages.JAXRSLibraryConfigControl_NullProject);
	}

	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.swt.widgets.Widget#dispose()
	*/
	public void dispose() {
	super.dispose();
	}

	/**
	* Return current selected JAXRS Implementation Library. Otherwise, return
	* null.
	*
	* @return JAXRSLibraryInternalReference
	*/
	public JAXRSLibraryInternalReference getSelectedJAXRSLibImplementation() {
	return workingCopyModel.getCurrentJAXRSImplementationLibrarySelection();
	}

	/**
	*
	* @return JAXRSLibraryConfigModelAdapter
	*/
	public JAXRSLibraryConfigModel getWorkingModel() {
	return workingCopyModel;
	}

	private void initializeControlValues() {
	loadJAXRSImplList();

	btnDeployJars.setSelection(false);
	btnSharedLibrary.setSelection(false);
	btnIncludeLibrariesGroup.setSelection(false);
	JAXRSLibraryInternalReference savedImplLib = workingCopyModel
	.getSavedJAXRSImplementationLibrary();
	if (savedImplLib != null) {
	/*
	* Get the input for the control to set selection.
	*/
	JAXRSLibraryInternalReference selected = JAXRSLibraryRegistryUtil
	.getInstance().getJAXRSLibraryReferencebyID(
	savedImplLib.getID());
	if (selected != null) {
	cvImplLib.setSelection(new StructuredSelection(selected), true);
	}
	updateIncludeLibrariesGroupState(selected);

	} else {
	JAXRSLibraryInternalReference dftJAXRSImplLib = JAXRSLibraryRegistryUtil
	.getInstance().getDefaultJAXRSImplementationLibrary();
	if (dftJAXRSImplLib != null) {
	cvImplLib.setSelection(
	new StructuredSelection(dftJAXRSImplLib), true);
	}
	updateIncludeLibrariesGroupState(dftJAXRSImplLib);
	}

	redraw();
	}

	private void updateIncludeLibrariesGroupState(
	JAXRSLibraryInternalReference selected) {
	if (selected == null) {
	btnIncludeLibrariesGroup.setEnabled(false);
	setChildrenEnabled(includeLibRadiosComposite, false);

	} else {
	btnIncludeLibrariesGroup.setEnabled(true);
	btnIncludeLibrariesGroup.setSelection(selected
	.isCheckedToBeDeployed()
	\|\| (selected.isSharedLibSupported() && selected
	.isCheckedToBeSharedLibrary()));
	updateChildrenState(selected);
	}

	}

	private void updateChildrenState(JAXRSLibraryInternalReference selected) {
	btnDeployJars.setSelection(selected.isCheckedToBeDeployed()
	\|\| (btnIncludeLibrariesGroup.getSelection() && (!selected
	.isSharedLibSupported() \|\| (selected
	.isSharedLibSupported() && !selected
	.isCheckedToBeSharedLibrary()))));
	// shared library has precedence
	btnSharedLibrary.setSelection(selected.isSharedLibSupported()
	&& selected.isCheckedToBeSharedLibrary());
	btnSharedLibrary.setEnabled(btnIncludeLibrariesGroup.getSelection() && selected.isSharedLibSupported());
	btnDeployJars.setEnabled(btnIncludeLibrariesGroup.getSelection());
	selected.setToBeDeployed(btnIncludeLibrariesGroup.getSelection() && btnDeployJars.getSelection());
	selected.setToBeSharedLibrary(btnIncludeLibrariesGroup.getSelection() && selected.isSharedLibSupported() && btnSharedLibrary.getSelection());

	}

	private void loadJAXRSImplList() {
	cvImplLib.setInput(workingCopyModel.getJAXRSImplementationLibraries());
	}

	private JAXRSLibraryInternalReference getCurrentSelectedJAXRSImplLib() {
	JAXRSLibraryInternalReference selJAXRSImpl = null;
	StructuredSelection objs = (StructuredSelection) cvImplLib
	.getSelection();
	if (objs != null) {
	if (objs.getFirstElement() instanceof JAXRSLibraryInternalReference) {
	selJAXRSImpl = (JAXRSLibraryInternalReference) objs
	.getFirstElement();
	}
	}
	return selJAXRSImpl;
	}

	private void createImplLibControls() {
	Composite cmpImpls = this;

	Label library = new Label(cmpImpls, SWT.NONE);
	GridData gd = new GridData(GridData.FILL_HORIZONTAL);
	gd.grabExcessHorizontalSpace = true;
	library.setLayoutData(gd);
	library.setText(Messages.JAXRSLibraryConfigControl_Library);
	cvImplLib = new ComboViewer(cmpImpls, SWT.READ_ONLY);

	cvImplLib.setLabelProvider(new ImplLibCVListLabelProvider());
	cvImplLib.setContentProvider(new ImplLibCVContentProvider());
	comboImplLib = cvImplLib.getCombo();
	GridData gd2 = new GridData(GridData.FILL_HORIZONTAL);
	gd2.widthHint = 275;
	comboImplLib.setLayoutData(gd2);

	cvImplLib.addSelectionChangedListener(new ISelectionChangedListener() {
	public void selectionChanged(SelectionChangedEvent event) {
	StructuredSelection ss = (StructuredSelection) event
	.getSelection();
	JAXRSLibraryInternalReference crtSelImplLib = (JAXRSLibraryInternalReference) ss
	.getFirstElement();
	updateIncludeLibrariesGroupState(crtSelImplLib);
	// if (crtSelImplLib != null) {
	// crtSelImplLib.setToBeDeployed(btnDeployJars.getSelection());
	// crtSelImplLib.setToBeSharedLibrary(crtSelImplLib.isSharedLibSupported() && btnSharedLibrary.getSelection() );
	// }
	workingCopyModel
	.setCurrentJAXRSImplementationLibrarySelection(crtSelImplLib);
	model.setProperty(
	IJAXRSFacetInstallDataModelProperties.IMPLEMENTATION,
	crtSelImplLib);
	fireChangedEvent(event);
	}
	});


	final Button btnNewImpl = new Button(cmpImpls, SWT.NONE);
	GridData gd4 = new GridData(GridData.FILL_HORIZONTAL);
	btnNewImpl.setLayoutData(gd4);

	btnNewImpl
	.setText(Messages.JAXRSLibraryConfigControl_NewImplementationLibrary);
	btnNewImpl
	.setToolTipText(Messages.JAXRSLibraryConfigControl_NewImplButtonTooltip);
	btnNewImpl.addSelectionListener(new SelectionAdapter() {
	@SuppressWarnings("unchecked")
	public void widgetSelected(SelectionEvent e) {
	JAXRSLibraryWizard wizard = new JAXRSLibraryWizard();
	IWorkbench wb = PlatformUI.getWorkbench();
	wizard.init(wb, null);
	WizardDialog dialog = new WizardDialog(wb
	.getActiveWorkbenchWindow().getShell(), wizard);
	int ret = dialog.open();
	if (ret == Window.OK) {
	JAXRSLibraryInternalReference lib = new JAXRSLibraryInternalReference(
	wizard.getJAXRSLibrary(), true, true, false);
	boolean sharedLibSupported = SharedLibraryConfiguratorUtil.isSharedLibSupportAvailable(lib.getID(), model
	.getStringProperty(IJAXRSFacetInstallDataModelProperties.TARGETRUNTIME), SharedLibraryConfiguratorUtil.getWebProject(model), SharedLibraryConfiguratorUtil.getEARProject(model), SharedLibraryConfiguratorUtil.getAddToEar(model));

	lib.setSharedLibSupported(sharedLibSupported);
	JAXRSLibraryRegistryUtil.getInstance().addJAXRSLibrary(lib);
	workingCopyModel.getJAXRSImplementationLibraries().add(lib);
	workingCopyModel
	.setCurrentJAXRSImplementationLibrarySelection(lib);

	loadJAXRSImplList();
	updateIncludeLibrariesGroupState(lib);
	cvImplLib.setSelection(new StructuredSelection(lib), true);

	}
	// notify listeners that a JAXRS implementation is created.
	JAXRSImplLibraryCreationEvent event = new JAXRSImplLibraryCreationEvent(
	this, (ret == Window.OK));
	int size = newJAXRSLibCreatedListeners.size();
	for (int i = 0; i < size; i++) {
	IJAXRSImplLibraryCreationListener listener = newJAXRSLibCreatedListeners
	.elementAt(i);
	listener.okClicked(event);
	}
	}
	});

	btnIncludeLibrariesGroup = createCheckbox(cmpImpls,
	Messages.JAXRSLibraryConfigControl_IncludeGroupLabel,
	null, null);
	((GridData)this.getData()).horizontalSpan = 3;
	GridData gd3 = new GridData(GridData.FILL_HORIZONTAL);
	gd3.verticalIndent =15;
	gd3.horizontalSpan = 3;


	btnIncludeLibrariesGroup.setLayoutData(gd3);
	includeLibRadiosComposite = new Composite( cmpImpls, SWT.NONE );

	GridLayout gridlayout = new GridLayout();
	gridlayout.numColumns = 1;
	gridlayout.marginLeft = 25;

	includeLibRadiosComposite.setLayout( gridlayout );
	GridData griddata = new GridData(GridData.FILL_HORIZONTAL);
	includeLibRadiosComposite.setLayoutData( griddata );

	btnDeployJars = createRadioButton(includeLibRadiosComposite, Messages.JAXRSLibraryConfigControl_DeployButtonLabel, Messages.JAXRSLibraryConfigControl_DeployJAR , null);
	btnDeployJars.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	if (!_initing) {
	JAXRSLibraryInternalReference jaxrslib = getCurrentSelectedJAXRSImplLib();
	if (jaxrslib != null)
	jaxrslib.setToBeDeployed(btnDeployJars.getSelection());
	workingCopyModel
	.setCurrentJAXRSImplementationLibrarySelection(jaxrslib);
	model.setProperty(IJAXRSFacetInstallDataModelProperties.DEPLOY_IMPLEMENTATION,
	btnDeployJars.getSelection());
	fireChangedEvent(e);
	}
	}
	});


	btnSharedLibrary = createRadioButton(includeLibRadiosComposite, Messages.JAXRSLibraryConfigControl_SharedLibButtonLabel, Messages.JAXRSLibraryConfigControl_TooltipIncludeAsSharedLib, null);

	btnSharedLibrary.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	if (!_initing) {
	JAXRSLibraryInternalReference jaxrslib = getCurrentSelectedJAXRSImplLib();
	if (jaxrslib != null) {
	jaxrslib.setToBeSharedLibrary(btnSharedLibrary.getSelection());
	}
	workingCopyModel
	.setCurrentJAXRSImplementationLibrarySelection(jaxrslib);
	model.setProperty(IJAXRSFacetInstallDataModelProperties.SHAREDLIBRARY, btnSharedLibrary.getSelection());
	fireChangedEvent(e);
	}
	}
	});




	btnIncludeLibrariesGroup.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	if (!_initing) {
	JAXRSLibraryInternalReference crtSelImplLib = (JAXRSLibraryInternalReference) ((StructuredSelection) cvImplLib
	.getSelection()).getFirstElement();

	if (btnIncludeLibrariesGroup.getSelection()) {
	updateChildrenState(crtSelImplLib);
	} else {
	setChildrenEnabled(includeLibRadiosComposite, false);
	crtSelImplLib.setToBeDeployed(false);
	crtSelImplLib.setToBeSharedLibrary(false);
	}
	}
	}
	});
	}

	private void createControls() {
	setRedraw(true);
	createImplLibControls();

	}

	/**
	* Configure the JAXRSLibraryConfigControl elements to used the containers
	* synchHelper
	*
	* @param synchHelper
	*/
	public void setSynchHelper(DataModelSynchHelper synchHelper) {
	model = synchHelper.getDataModel();
	synchHelper.synchCombo(cvImplLib.getCombo(),
	IJAXRSFacetInstallDataModelProperties.IMPLEMENTATION_LIBRARIES,
	null);
	synchHelper.synchCheckbox(btnDeployJars,
	IJAXRSFacetInstallDataModelProperties.DEPLOY_IMPLEMENTATION,
	null);
	synchHelper.synchCheckbox(btnSharedLibrary,
	IJAXRSFacetInstallDataModelProperties.SHAREDLIBRARY,
	null);
	// not using synch helper for IMPLEMENTATION_TYPE
	// synchHelper.synchCheckBoxTableViewer(ctvSelCompLib,
	// IJAXRSFacetInstallDataModelProperties.COMPONENT_LIBRARIES, new
	// Control[]{hiddenList});
	}

	private static class ImplLibCVContentProvider implements
	IStructuredContentProvider {
	@SuppressWarnings("unchecked")
	private List jaxrsImplLibs = new ArrayList(0);

	public Object[] getElements(Object inputElement) {
	return jaxrsImplLibs.toArray();
	}

	public void dispose() {
	// do nothing
	}

	@SuppressWarnings("unchecked")
	public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
	if (newInput == null) {
	jaxrsImplLibs = Collections.EMPTY_LIST;
	} else {
	jaxrsImplLibs = (List) newInput;
	}
	}
	}

	private static class ImplLibCVListLabelProvider extends LabelProvider {
	private JAXRSLibrary defaultImpl = null;

	public String getText(Object element) {
	if (element instanceof JAXRSLibraryInternalReference) {
	StringBuffer labelBuf = new StringBuffer(
	((JAXRSLibraryInternalReference) element).getLabel());
	JAXRSLibrary lib = ((JAXRSLibraryInternalReference) element)
	.getLibrary();
	if (getDefaultImpl() != null && lib != null
	&& lib.getID().equals(getDefaultImpl().getID()))
	labelBuf
	.append(" ").append(JAXRSLibraryRegistry.DEFAULT_IMPL_LABEL); //$NON-NLS-1$
	return labelBuf.toString();
	}
	return null;
	}

	private JAXRSLibrary getDefaultImpl() {
	if (defaultImpl == null) {
	JAXRSLibraryRegistry jaxrslibreg = JAXRSLibraryRegistryUtil
	.getInstance().getJAXRSLibraryRegistry();
	defaultImpl = jaxrslibreg.getDefaultImplementation();
	}
	return defaultImpl;
	}

	public Image getImage(Object element) {
	return null;
	}
	}

	private Button createRadioButton(Composite parent, String labelName,
	String tooltip, String infopop) {
	return createButton(SWT.RADIO, parent, labelName, tooltip, infopop);
	}

	private Button createButton(int kind, Composite parent, String labelName,
	String tooltip, String infopop) {
	Button button = new Button(parent, kind);

	tooltip = tooltip == null ? labelName : tooltip;
	button.setText(labelName);
	button.setToolTipText(tooltip);

	if (infopop != null)
	PlatformUI.getWorkbench().getHelpSystem().setHelp(button,
	JAXRSUIPlugin.PLUGIN_ID + "." + infopop);

	return button;
	}

	private Button createCheckbox( Composite parent, String labelName, String tooltip, String infopop )
	{
	return createButton( SWT.CHECK, parent, labelName, tooltip, infopop );
	}


	public boolean getIncludeLibs() {
	if (btnIncludeLibrariesGroup != null) {
	return btnIncludeLibrariesGroup.getSelection();
	}
	return false;
	}

	public static void setChildrenEnabled(Composite parentComposite, boolean enabled) {
	Control[] wsdlControls = parentComposite.getChildren();
	for (int i=0; i<wsdlControls.length; i++) {
	wsdlControls[i].setEnabled(enabled);
	}
	}


	}