Adding new code for feature save on unfocus. This is from ticket #542. It also adds...
[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpdt / ui / wizards / NewContainerWizardPage.java
index 4460b0b..a776745 100644 (file)
@@ -39,133 +39,146 @@ import org.eclipse.ui.IWorkbenchPart;
 import org.eclipse.ui.views.contentoutline.ContentOutline;
 
 /**
- * Wizard page that acts as a base class for wizard pages that create new Java elements. 
- * The class provides a input field for source folders (called container in this class) and
- * API to validate the enter source folder name.
+ * Wizard page that acts as a base class for wizard pages that create new Java
+ * elements. The class provides a input field for source folders (called
+ * container in this class) and API to validate the enter source folder name.
  * 
  * @since 2.0
  */
 public abstract class NewContainerWizardPage extends NewElementWizardPage {
-       
+
        /** Id of the container field */
-       protected static final String CONTAINER= "NewContainerWizardPage.container"; //$NON-NLS-1$
+       protected static final String CONTAINER = "NewContainerWizardPage.container"; //$NON-NLS-1$
 
        /** The status of the last validation. */
        protected IStatus fContainerStatus;
 
        private StringButtonDialogField fContainerDialogField;
-               
+
        /*
         * package fragment root corresponding to the input type (can be null)
         */
        private IPackageFragmentRoot fCurrRoot;
-       
+
        private IWorkspaceRoot fWorkspaceRoot;
-       
+
        /**
         * Create a new <code>NewContainerWizardPage</code>
         * 
-        * @param name the wizard page's name
+        * @param name
+        *            the wizard page's name
         */
        public NewContainerWizardPage(String name) {
                super(name);
-               fWorkspaceRoot= ResourcesPlugin.getWorkspace().getRoot();       
-               ContainerFieldAdapter adapter= new ContainerFieldAdapter();
-               
-               fContainerDialogField= new StringButtonDialogField(adapter);
+               fWorkspaceRoot = ResourcesPlugin.getWorkspace().getRoot();
+               ContainerFieldAdapter adapter = new ContainerFieldAdapter();
+
+               fContainerDialogField = new StringButtonDialogField(adapter);
                fContainerDialogField.setDialogFieldListener(adapter);
-               fContainerDialogField.setLabelText(NewWizardMessages.getString("NewContainerWizardPage.container.label")); //$NON-NLS-1$
-               fContainerDialogField.setButtonLabel(NewWizardMessages.getString("NewContainerWizardPage.container.button")); //$NON-NLS-1$
-               
-               fContainerStatus= new StatusInfo();
-               fCurrRoot= null;
+               fContainerDialogField.setLabelText(NewWizardMessages
+                               .getString("NewContainerWizardPage.container.label")); //$NON-NLS-1$
+               fContainerDialogField.setButtonLabel(NewWizardMessages
+                               .getString("NewContainerWizardPage.container.button")); //$NON-NLS-1$
+
+               fContainerStatus = new StatusInfo();
+               fCurrRoot = null;
        }
-                       
+
        /**
         * Initializes the source folder field with a valid package fragement root.
         * The package fragement root is computed from the given Java element.
         * 
-        * @param elem the Java element used to compute the initial package
-        *    fragment root used as the source folder
+        * @param elem
+        *            the Java element used to compute the initial package fragment
+        *            root used as the source folder
         */
        protected void initContainerPage(IJavaElement elem) {
-               IPackageFragmentRoot initRoot= null;
-//             if (elem != null) {
-//                     initRoot= JavaModelUtil.getPackageFragmentRoot(elem);
-//                     if (initRoot == null || initRoot.isArchive()) {
-//                             IJavaProject jproject= elem.getJavaProject();
-//                             if (jproject != null) {
-//                                     try {
-//                                             initRoot= null;
-//                                             if (jproject.exists()) {
-//                                                     IPackageFragmentRoot[] roots= jproject.getPackageFragmentRoots();
-//                                                     for (int i= 0; i < roots.length; i++) {
-//                                                             if (roots[i].getKind() == IPackageFragmentRoot.K_SOURCE) {
-//                                                                     initRoot= roots[i];
-//                                                                     break;
-//                                                             }
-//                                                     }                                                       
-//                                             }
-//                                     } catch (JavaModelException e) {
-//                                             PHPeclipsePlugin.log(e);
-//                                     }
-//                                     if (initRoot == null) {
-//                                             initRoot= jproject.getPackageFragmentRoot(jproject.getResource());
-//                                     }
-//                             }
-//                     }
-//             }       
-//             setPackageFragmentRoot(initRoot, true);
+               IPackageFragmentRoot initRoot = null;
+               // if (elem != null) {
+               // initRoot= JavaModelUtil.getPackageFragmentRoot(elem);
+               // if (initRoot == null || initRoot.isArchive()) {
+               // IJavaProject jproject= elem.getJavaProject();
+               // if (jproject != null) {
+               // try {
+               // initRoot= null;
+               // if (jproject.exists()) {
+               // IPackageFragmentRoot[] roots= jproject.getPackageFragmentRoots();
+               // for (int i= 0; i < roots.length; i++) {
+               // if (roots[i].getKind() == IPackageFragmentRoot.K_SOURCE) {
+               // initRoot= roots[i];
+               // break;
+               // }
+               // }
+               // }
+               // } catch (JavaModelException e) {
+               // PHPeclipsePlugin.log(e);
+               // }
+               // if (initRoot == null) {
+               // initRoot= jproject.getPackageFragmentRoot(jproject.getResource());
+               // }
+               // }
+               // }
+               // }
+               // setPackageFragmentRoot(initRoot, true);
        }
-       
+
        /**
-        * Utility method to inspect a selection to find a Java element. 
+        * Utility method to inspect a selection to find a Java element.
         * 
-        * @param selection the selection to be inspected
-        * @return a Java element to be used as the initial selection, or <code>null</code>,
-        * if no Java element exists in the given selection
+        * @param selection
+        *            the selection to be inspected
+        * @return a Java element to be used as the initial selection, or
+        *         <code>null</code>, if no Java element exists in the given
+        *         selection
         */
        protected IJavaElement getInitialJavaElement(IStructuredSelection selection) {
-               IJavaElement jelem= null;
+               IJavaElement jelem = null;
                if (selection != null && !selection.isEmpty()) {
-                       Object selectedElement= selection.getFirstElement();
+                       Object selectedElement = selection.getFirstElement();
                        if (selectedElement instanceof IAdaptable) {
-                               IAdaptable adaptable= (IAdaptable) selectedElement;                     
-                               
-                               jelem= (IJavaElement) adaptable.getAdapter(IJavaElement.class);
+                               IAdaptable adaptable = (IAdaptable) selectedElement;
+
+                               jelem = (IJavaElement) adaptable.getAdapter(IJavaElement.class);
                                if (jelem == null) {
-                                       IResource resource= (IResource) adaptable.getAdapter(IResource.class);
-                                       if (resource != null && resource.getType() != IResource.ROOT) {
-                                               while (jelem == null && resource.getType() != IResource.PROJECT) {
-                                                       resource= resource.getParent();
-                                                       jelem= (IJavaElement) resource.getAdapter(IJavaElement.class);
+                                       IResource resource = (IResource) adaptable
+                                                       .getAdapter(IResource.class);
+                                       if (resource != null
+                                                       && resource.getType() != IResource.ROOT) {
+                                               while (jelem == null
+                                                               && resource.getType() != IResource.PROJECT) {
+                                                       resource = resource.getParent();
+                                                       jelem = (IJavaElement) resource
+                                                                       .getAdapter(IJavaElement.class);
                                                }
                                                if (jelem == null) {
-                                                       jelem= JavaCore.create(resource); // java project
+                                                       jelem = JavaCore.create(resource); // java project
                                                }
                                        }
                                }
                        }
                }
                if (jelem == null) {
-                       IWorkbenchPart part= PHPeclipsePlugin.getActivePage().getActivePart();
+                       IWorkbenchPart part = PHPeclipsePlugin.getActivePage()
+                                       .getActivePart();
                        if (part instanceof ContentOutline) {
-                               part= PHPeclipsePlugin.getActivePage().getActiveEditor();
+                               part = PHPeclipsePlugin.getActivePage().getActiveEditor();
                        }
-                       
+
                        if (part instanceof IViewPartInputProvider) {
-                               Object elem= ((IViewPartInputProvider)part).getViewPartInput();
+                               Object elem = ((IViewPartInputProvider) part)
+                                               .getViewPartInput();
                                if (elem instanceof IJavaElement) {
-                                       jelem= (IJavaElement) elem;
+                                       jelem = (IJavaElement) elem;
                                }
                        }
                }
 
                if (jelem == null || jelem.getElementType() == IJavaElement.JAVA_MODEL) {
                        try {
-                               IJavaProject[] projects= JavaCore.create(getWorkspaceRoot()).getJavaProjects();
+                               IJavaProject[] projects = JavaCore.create(getWorkspaceRoot())
+                                               .getJavaProjects();
                                if (projects.length == 1) {
-                                       jelem= projects[0];
+                                       jelem = projects[0];
                                }
                        } catch (JavaModelException e) {
                                PHPeclipsePlugin.log(e);
@@ -173,11 +186,11 @@ public abstract class NewContainerWizardPage extends NewElementWizardPage {
                }
                return jelem;
        }
-       
+
        /**
         * Returns the recommended maximum width for text fields (in pixels). This
         * method requires that createContent has been called before this method is
-        * call. Subclasses may override to change the maximum width for text 
+        * call. Subclasses may override to change the maximum width for text
         * fields.
         * 
         * @return the recommended maximum width for text fields.
@@ -185,162 +198,178 @@ public abstract class NewContainerWizardPage extends NewElementWizardPage {
        protected int getMaxFieldWidth() {
                return convertWidthInCharsToPixels(40);
        }
-       
-       
+
        /**
-        * Creates the necessary controls (label, text field and browse button) to edit
-        * the source folder location. The method expects that the parent composite
-        * uses a <code>GridLayout</code> as its layout manager and that the
-        * grid layout has at least 3 columns.
+        * Creates the necessary controls (label, text field and browse button) to
+        * edit the source folder location. The method expects that the parent
+        * composite uses a <code>GridLayout</code> as its layout manager and that
+        * the grid layout has at least 3 columns.
         * 
-        * @param parent the parent composite
-        * @param nColumns the number of columns to span. This number must be
-        *  greater or equal three
+        * @param parent
+        *            the parent composite
+        * @param nColumns
+        *            the number of columns to span. This number must be greater or
+        *            equal three
         */
        protected void createContainerControls(Composite parent, int nColumns) {
                fContainerDialogField.doFillIntoGrid(parent, nColumns);
-               LayoutUtil.setWidthHint(fContainerDialogField.getTextControl(null), getMaxFieldWidth());
+               LayoutUtil.setWidthHint(fContainerDialogField.getTextControl(null),
+                               getMaxFieldWidth());
        }
 
        /**
         * Sets the focus to the source folder's text field.
-        */     
+        */
        protected void setFocusOnContainer() {
                fContainerDialogField.setFocus();
        }
 
        // -------- ContainerFieldAdapter --------
 
-       private class ContainerFieldAdapter implements IStringButtonAdapter, IDialogFieldListener {
+       private class ContainerFieldAdapter implements IStringButtonAdapter,
+                       IDialogFieldListener {
 
                // -------- IStringButtonAdapter
                public void changeControlPressed(DialogField field) {
                        containerChangeControlPressed(field);
                }
-               
+
                // -------- IDialogFieldListener
                public void dialogFieldChanged(DialogField field) {
                        containerDialogFieldChanged(field);
                }
        }
-       
+
        private void containerChangeControlPressed(DialogField field) {
                // take the current jproject as init element of the dialog
-//             IPackageFragmentRoot root= getPackageFragmentRoot();
-//             root= chooseSourceContainer(root);
-//             if (root != null) {
-//                     setPackageFragmentRoot(root, true);
-//             }
+               // IPackageFragmentRoot root= getPackageFragmentRoot();
+               // root= chooseSourceContainer(root);
+               // if (root != null) {
+               // setPackageFragmentRoot(root, true);
+               // }
        }
-       
+
        private void containerDialogFieldChanged(DialogField field) {
                if (field == fContainerDialogField) {
-                       fContainerStatus= containerChanged();
+                       fContainerStatus = containerChanged();
                }
                // tell all others
                handleFieldChanged(CONTAINER);
        }
-       
+
        // ----------- validation ----------
-                       
+
        /**
-        * This method is a hook which gets called after the source folder's
-        * text input field has changed. This default implementation updates
-        * the model and returns an error status. The underlying model
-        * is only valid if the returned status is OK.
+        * This method is a hook which gets called after the source folder's text
+        * input field has changed. This default implementation updates the model
+        * and returns an error status. The underlying model is only valid if the
+        * returned status is OK.
         * 
         * @return the model's error status
         */
        protected IStatus containerChanged() {
-               StatusInfo status= new StatusInfo();
-               
-               fCurrRoot= null;
-               String str= getPackageFragmentRootText();
+               StatusInfo status = new StatusInfo();
+
+               fCurrRoot = null;
+               String str = getPackageFragmentRootText();
                if (str.length() == 0) {
-                       status.setError(NewWizardMessages.getString("NewContainerWizardPage.error.EnterContainerName")); //$NON-NLS-1$
+                       status
+                                       .setError(NewWizardMessages
+                                                       .getString("NewContainerWizardPage.error.EnterContainerName")); //$NON-NLS-1$
                        return status;
                }
-               IPath path= new Path(str);
-               IResource res= fWorkspaceRoot.findMember(path);
+               IPath path = new Path(str);
+               IResource res = fWorkspaceRoot.findMember(path);
                if (res != null) {
-                       int resType= res.getType();
+                       int resType = res.getType();
                        if (resType == IResource.PROJECT || resType == IResource.FOLDER) {
-                               IProject proj= res.getProject();
+                               IProject proj = res.getProject();
                                if (!proj.isOpen()) {
-                                       status.setError(NewWizardMessages.getFormattedString("NewContainerWizardPage.error.ProjectClosed", proj.getFullPath().toString())); //$NON-NLS-1$
+                                       status
+                                                       .setError(NewWizardMessages
+                                                                       .getFormattedString(
+                                                                                       "NewContainerWizardPage.error.ProjectClosed", proj.getFullPath().toString())); //$NON-NLS-1$
                                        return status;
-                               }                               
-                               IJavaProject jproject= JavaCore.create(proj);
-//                             fCurrRoot= jproject.getPackageFragmentRoot(res);
-//                             if (res.exists()) {
-//                                     try {
-//                                             if (!proj.hasNature(JavaCore.NATURE_ID)) {
-//                                                     if (resType == IResource.PROJECT) {
-//                                                             status.setError(NewWizardMessages.getString("NewContainerWizardPage.warning.NotAJavaProject")); //$NON-NLS-1$
-//                                                     } else {
-//                                                             status.setWarning(NewWizardMessages.getString("NewContainerWizardPage.warning.NotInAJavaProject")); //$NON-NLS-1$
-//                                                     }
-//                                                     return status;
-//                                             }
-//                                     } catch (CoreException e) {
-//                                             status.setWarning(NewWizardMessages.getString("NewContainerWizardPage.warning.NotAJavaProject")); //$NON-NLS-1$
-//                                     }
-//                                     if (!jproject.isOnClasspath(fCurrRoot)) {
-//                                             status.setWarning(NewWizardMessages.getFormattedString("NewContainerWizardPage.warning.NotOnClassPath", str)); //$NON-NLS-1$
-//                                     }               
-//                                     if (fCurrRoot.isArchive()) {
-//                                             status.setError(NewWizardMessages.getFormattedString("NewContainerWizardPage.error.ContainerIsBinary", str)); //$NON-NLS-1$
-//                                             return status;
-//                                     }
-//                             }
+                               }
+                               IJavaProject jproject = JavaCore.create(proj);
+                               // fCurrRoot= jproject.getPackageFragmentRoot(res);
+                               // if (res.exists()) {
+                               // try {
+                               // if (!proj.hasNature(JavaCore.NATURE_ID)) {
+                               // if (resType == IResource.PROJECT) {
+                               // status.setError(NewWizardMessages.getString("NewContainerWizardPage.warning.NotAJavaProject"));
+                               // //$NON-NLS-1$
+                               // } else {
+                               // status.setWarning(NewWizardMessages.getString("NewContainerWizardPage.warning.NotInAJavaProject"));
+                               // //$NON-NLS-1$
+                               // }
+                               // return status;
+                               // }
+                               // } catch (CoreException e) {
+                               // status.setWarning(NewWizardMessages.getString("NewContainerWizardPage.warning.NotAJavaProject"));
+                               // //$NON-NLS-1$
+                               // }
+                               // if (!jproject.isOnClasspath(fCurrRoot)) {
+                               // status.setWarning(NewWizardMessages.getFormattedString("NewContainerWizardPage.warning.NotOnClassPath",
+                               // str)); //$NON-NLS-1$
+                               // }
+                               // if (fCurrRoot.isArchive()) {
+                               // status.setError(NewWizardMessages.getFormattedString("NewContainerWizardPage.error.ContainerIsBinary",
+                               // str)); //$NON-NLS-1$
+                               // return status;
+                               // }
+                               // }
                                return status;
                        } else {
-                               status.setError(NewWizardMessages.getFormattedString("NewContainerWizardPage.error.NotAFolder", str)); //$NON-NLS-1$
+                               status.setError(NewWizardMessages.getFormattedString(
+                                               "NewContainerWizardPage.error.NotAFolder", str)); //$NON-NLS-1$
                                return status;
                        }
                } else {
-                       status.setError(NewWizardMessages.getFormattedString("NewContainerWizardPage.error.ContainerDoesNotExist", str)); //$NON-NLS-1$
+                       status.setError(NewWizardMessages.getFormattedString(
+                                       "NewContainerWizardPage.error.ContainerDoesNotExist", str)); //$NON-NLS-1$
                        return status;
                }
        }
-               
+
        // -------- update message ----------------
-       
+
        /**
-        * Hook method that gets called when a field on this page has changed. For this page the 
-        * method gets called when the source folder field changes.
+        * Hook method that gets called when a field on this page has changed. For
+        * this page the method gets called when the source folder field changes.
         * <p>
-        * Every sub type is responsible to call this method when a field on its page has changed.
-        * Subtypes override (extend) the method to add verification when a own field has a
-        * dependency to an other field. For example the class name input must be verified
-        * again when the package field changes (check for duplicated class names).
+        * Every sub type is responsible to call this method when a field on its
+        * page has changed. Subtypes override (extend) the method to add
+        * verification when a own field has a dependency to an other field. For
+        * example the class name input must be verified again when the package
+        * field changes (check for duplicated class names).
         * 
-        * @param fieldName The name of the field that has changed (field id). For the
-        * source folder the field id is <code>CONTAINER</code>
+        * @param fieldName
+        *            The name of the field that has changed (field id). For the
+        *            source folder the field id is <code>CONTAINER</code>
         */
        protected void handleFieldChanged(String fieldName) {
-       }       
-       
-       
+       }
+
        // ---- get ----------------
-       
+
        /**
         * Returns the workspace root.
         * 
         * @return the workspace root
-        */ 
+        */
        protected IWorkspaceRoot getWorkspaceRoot() {
                return fWorkspaceRoot;
-       }       
-       
+       }
+
        /**
-        * Returns the <code>IPackageFragmentRoot</code> that corresponds to the current
-        * value of the source folder field.
+        * Returns the <code>IPackageFragmentRoot</code> that corresponds to the
+        * current value of the source folder field.
         * 
-        * @return the IPackageFragmentRoot or <code>null</code> if the current source
-        * folder value is not a valid package fragment root
+        * @return the IPackageFragmentRoot or <code>null</code> if the current
+        *         source folder value is not a valid package fragment root
         * 
-        */ 
+        */
        public IPackageFragmentRoot getPackageFragmentRoot() {
                return fCurrRoot;
        }
@@ -349,85 +378,96 @@ public abstract class NewContainerWizardPage extends NewElementWizardPage {
         * Returns the current text of source folder text field.
         * 
         * @return the text of the source folder text field
-        */     
+        */
        public String getPackageFragmentRootText() {
                return fContainerDialogField.getText();
        }
-       
-       
+
        /**
-        * Sets the current source folder (model and text field) to the given package
-        * fragment root.
+        * Sets the current source folder (model and text field) to the given
+        * package fragment root.
         * 
-        * @param canBeModified if <code>false</code> the source folder field can 
-        * not be changed by the user. If <code>true</code> the field is editable
-        */ 
-//     public void setPackageFragmentRoot(IPackageFragmentRoot root, boolean canBeModified) {
-//             fCurrRoot= root;
-//             String str= (root == null) ? "" : root.getPath().makeRelative().toString(); //$NON-NLS-1$
-//             fContainerDialogField.setText(str);
-//             fContainerDialogField.setEnabled(canBeModified);
-//     }       
-               
+        * @param canBeModified
+        *            if <code>false</code> the source folder field can not be
+        *            changed by the user. If <code>true</code> the field is
+        *            editable
+        */
+       // public void setPackageFragmentRoot(IPackageFragmentRoot root, boolean
+       // canBeModified) {
+       // fCurrRoot= root;
+       // String str= (root == null) ? "" :
+       // root.getPath().makeRelative().toString(); //$NON-NLS-1$
+       // fContainerDialogField.setText(str);
+       // fContainerDialogField.setEnabled(canBeModified);
+       // }
        // ------------- choose source container dialog
-       
-//     private IPackageFragmentRoot chooseSourceContainer(IJavaElement initElement) {
-//             Class[] acceptedClasses= new Class[] { IPackageFragmentRoot.class, IJavaProject.class };
-//             TypedElementSelectionValidator validator= new TypedElementSelectionValidator(acceptedClasses, false) {
-//                     public boolean isSelectedValid(Object element) {
-//                             try {
-//                                     if (element instanceof IJavaProject) {
-//                                             IJavaProject jproject= (IJavaProject)element;
-//                                             IPath path= jproject.getProject().getFullPath();
-//                                             return (jproject.findPackageFragmentRoot(path) != null);
-//                                     } else if (element instanceof IPackageFragmentRoot) {
-//                                             return (((IPackageFragmentRoot)element).getKind() == IPackageFragmentRoot.K_SOURCE);
-//                                     }
-//                                     return true;
-//                             } catch (JavaModelException e) {
-//                                     PHPeclipsePlugin.log(e.getStatus()); // just log, no ui in validation
-//                             }
-//                             return false;
-//                     }
-//             };
-//             
-//             acceptedClasses= new Class[] { IJavaModel.class, IPackageFragmentRoot.class, IJavaProject.class };
-//             ViewerFilter filter= new TypedViewerFilter(acceptedClasses) {
-//                     public boolean select(Viewer viewer, Object parent, Object element) {
-//                             if (element instanceof IPackageFragmentRoot) {
-//                                     try {
-//                                             return (((IPackageFragmentRoot)element).getKind() == IPackageFragmentRoot.K_SOURCE);
-//                                     } catch (JavaModelException e) {
-//                                             PHPeclipsePlugin.log(e.getStatus()); // just log, no ui in validation
-//                                             return false;
-//                                     }
-//                             }
-//                             return super.select(viewer, parent, element);
-//                     }
-//             };              
-//
-//             StandardJavaElementContentProvider provider= new StandardJavaElementContentProvider();
-//             ILabelProvider labelProvider= new JavaElementLabelProvider(JavaElementLabelProvider.SHOW_DEFAULT); 
-//             ElementTreeSelectionDialog dialog= new ElementTreeSelectionDialog(getShell(), labelProvider, provider);
-//             dialog.setValidator(validator);
-//             dialog.setSorter(new JavaElementSorter());
-//             dialog.setTitle(NewWizardMessages.getString("NewContainerWizardPage.ChooseSourceContainerDialog.title")); //$NON-NLS-1$
-//             dialog.setMessage(NewWizardMessages.getString("NewContainerWizardPage.ChooseSourceContainerDialog.description")); //$NON-NLS-1$
-//             dialog.addFilter(filter);
-//             dialog.setInput(JavaCore.create(fWorkspaceRoot));
-//             dialog.setInitialSelection(initElement);
-//             
-//             if (dialog.open() == ElementTreeSelectionDialog.OK) {
-//                     Object element= dialog.getFirstResult();
-//                     if (element instanceof IJavaProject) {
-//                             IJavaProject jproject= (IJavaProject)element;
-//                             return jproject.getPackageFragmentRoot(jproject.getProject());
-//                     } else if (element instanceof IPackageFragmentRoot) {
-//                             return (IPackageFragmentRoot)element;
-//                     }
-//                     return null;
-//             }
-//             return null;
-//     }       
-       
+       // private IPackageFragmentRoot chooseSourceContainer(IJavaElement
+       // initElement) {
+       // Class[] acceptedClasses= new Class[] { IPackageFragmentRoot.class,
+       // IJavaProject.class };
+       // TypedElementSelectionValidator validator= new
+       // TypedElementSelectionValidator(acceptedClasses, false) {
+       // public boolean isSelectedValid(Object element) {
+       // try {
+       // if (element instanceof IJavaProject) {
+       // IJavaProject jproject= (IJavaProject)element;
+       // IPath path= jproject.getProject().getFullPath();
+       // return (jproject.findPackageFragmentRoot(path) != null);
+       // } else if (element instanceof IPackageFragmentRoot) {
+       // return (((IPackageFragmentRoot)element).getKind() ==
+       // IPackageFragmentRoot.K_SOURCE);
+       // }
+       // return true;
+       // } catch (JavaModelException e) {
+       // PHPeclipsePlugin.log(e.getStatus()); // just log, no ui in validation
+       // }
+       // return false;
+       // }
+       // };
+       //              
+       // acceptedClasses= new Class[] { IJavaModel.class,
+       // IPackageFragmentRoot.class, IJavaProject.class };
+       // ViewerFilter filter= new TypedViewerFilter(acceptedClasses) {
+       // public boolean select(Viewer viewer, Object parent, Object element) {
+       // if (element instanceof IPackageFragmentRoot) {
+       // try {
+       // return (((IPackageFragmentRoot)element).getKind() ==
+       // IPackageFragmentRoot.K_SOURCE);
+       // } catch (JavaModelException e) {
+       // PHPeclipsePlugin.log(e.getStatus()); // just log, no ui in validation
+       // return false;
+       // }
+       // }
+       // return super.select(viewer, parent, element);
+       // }
+       // };
+       //
+       // StandardJavaElementContentProvider provider= new
+       // StandardJavaElementContentProvider();
+       // ILabelProvider labelProvider= new
+       // JavaElementLabelProvider(JavaElementLabelProvider.SHOW_DEFAULT);
+       // ElementTreeSelectionDialog dialog= new
+       // ElementTreeSelectionDialog(getShell(), labelProvider, provider);
+       // dialog.setValidator(validator);
+       // dialog.setSorter(new JavaElementSorter());
+       // dialog.setTitle(NewWizardMessages.getString("NewContainerWizardPage.ChooseSourceContainerDialog.title"));
+       // //$NON-NLS-1$
+       // dialog.setMessage(NewWizardMessages.getString("NewContainerWizardPage.ChooseSourceContainerDialog.description"));
+       // //$NON-NLS-1$
+       // dialog.addFilter(filter);
+       // dialog.setInput(JavaCore.create(fWorkspaceRoot));
+       // dialog.setInitialSelection(initElement);
+       //              
+       // if (dialog.open() == ElementTreeSelectionDialog.OK) {
+       // Object element= dialog.getFirstResult();
+       // if (element instanceof IJavaProject) {
+       // IJavaProject jproject= (IJavaProject)element;
+       // return jproject.getPackageFragmentRoot(jproject.getProject());
+       // } else if (element instanceof IPackageFragmentRoot) {
+       // return (IPackageFragmentRoot)element;
+       // }
+       // return null;
+       // }
+       // return null;
+       // }
 }