| /******************************************************************************* |
| * Copyright (c) 2001, 2004 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 |
| *******************************************************************************/ |
| package org.eclipse.jem.internal.beaninfo.ui; |
| /* |
| * $RCSfile: BeaninfoEntrySearchpathDialog.java,v $ |
| * $Revision: 1.5 $ $Date: 2005/02/15 23:02:54 $ |
| */ |
| |
| import java.text.MessageFormat; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.jdt.core.IClasspathEntry; |
| import org.eclipse.jdt.core.IJavaElement; |
| import org.eclipse.jdt.core.IJavaProject; |
| import org.eclipse.jdt.core.IPackageFragment; |
| import org.eclipse.jdt.core.IPackageFragmentRoot; |
| import org.eclipse.jdt.core.JavaConventions; |
| import org.eclipse.jdt.core.JavaCore; |
| import org.eclipse.jdt.core.JavaModelException; |
| import org.eclipse.ui.dialogs.ElementTreeSelectionDialog; |
| import org.eclipse.ui.dialogs.ISelectionStatusValidator; |
| import org.eclipse.jdt.internal.ui.util.PixelConverter; |
| import org.eclipse.jdt.internal.ui.wizards.TypedViewerFilter; |
| import org.eclipse.jdt.internal.ui.wizards.dialogfields.DialogField; |
| import org.eclipse.jdt.internal.ui.wizards.dialogfields.IListAdapter; |
| import org.eclipse.jdt.internal.ui.wizards.dialogfields.LayoutUtil; |
| import org.eclipse.jdt.internal.ui.wizards.dialogfields.ListDialogField; |
| import org.eclipse.jdt.ui.JavaElementLabelProvider; |
| import org.eclipse.jface.dialogs.Dialog; |
| import org.eclipse.jface.dialogs.IInputValidator; |
| import org.eclipse.jface.dialogs.InputDialog; |
| import org.eclipse.jface.viewers.ILabelProvider; |
| import org.eclipse.jface.viewers.ITreeContentProvider; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.jface.window.Window; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Shell; |
| |
| import org.eclipse.jem.internal.beaninfo.core.BeaninfoEntry; |
| import org.eclipse.jem.internal.beaninfo.core.SearchpathEntry; |
| |
| /** |
| * This dialog is used to display and modify the search path |
| * within a BeaninfoEntry. |
| * @version 1.0 |
| * @author |
| */ |
| public class BeaninfoEntrySearchpathDialog extends Dialog { |
| |
| private class DialogAdapter implements IListAdapter { |
| |
| // -------- IListAdapter -------- |
| public void customButtonPressed(ListDialogField field, int index) { |
| pageCustomButtonPressed(index); |
| } |
| |
| public void selectionChanged(ListDialogField field) { |
| } |
| |
| /** |
| * @see org.eclipse.jdt.internal.ui.wizards.dialogfields.IListAdapter#doubleClicked(ListDialogField) |
| */ |
| public void doubleClicked(ListDialogField field) { |
| } |
| |
| } |
| |
| protected BPBeaninfoListElement infoElement; |
| protected IJavaProject jProject; |
| protected ListDialogField listField; |
| |
| public BeaninfoEntrySearchpathDialog( |
| Shell parentShell, |
| BPBeaninfoListElement infoElement, |
| IJavaProject jProject) { |
| super(parentShell); |
| |
| this.infoElement = infoElement; |
| this.jProject = jProject; |
| |
| DialogAdapter adapter = new DialogAdapter(); |
| |
| String[] buttonLabels = new String[] { |
| /* 0 */ |
| BeanInfoUIMessages.getString(BeanInfoUIMessages.BPB_SEARCHPATH_UP), |
| /* 1 */ |
| BeanInfoUIMessages.getString(BeanInfoUIMessages.BPB_SEARCHPATH_DOWN), |
| /* 2 */ |
| null, |
| /* 3 */ |
| BeanInfoUIMessages.getString("SearchPathDialog.ChoosePackages"), //$NON-NLS-1$ |
| /* 4 */ |
| null, |
| /* 5 */ |
| BeanInfoUIMessages.getString("SearchPathDialog.Remove") }; //$NON-NLS-1$ |
| |
| listField = new ListDialogField(adapter, buttonLabels, new SearchPathListLabelProvider(jProject)); |
| listField.setLabelText(BeanInfoUIMessages.getString("SearchPathDialog.Desc.Label")); //$NON-NLS-1$ |
| listField.setUpButtonIndex(0); |
| listField.setDownButtonIndex(1); |
| listField.setRemoveButtonIndex(5); |
| } |
| |
| protected void configureShell(Shell newShell) { |
| super.configureShell(newShell); |
| newShell.setText( |
| MessageFormat.format( |
| BeanInfoUIMessages.getString("SearchPathDialog.ModifySearchPaths"), //$NON-NLS-1$ |
| new Object[] { infoElement.getEntry().getPath().toString()})); |
| } |
| |
| protected Control createDialogArea(Composite parent) { |
| PixelConverter converter = new PixelConverter(parent); |
| |
| Composite composite = new Composite(parent, SWT.NONE); |
| |
| LayoutUtil.doDefaultLayout( |
| composite, |
| new DialogField[] { listField }, |
| true, |
| SWT.DEFAULT, |
| SWT.DEFAULT); |
| int buttonBarWidth = converter.convertWidthInCharsToPixels(24); |
| listField.setButtonsMinWidth(buttonBarWidth); |
| |
| updatePackagesList(); |
| |
| return composite; |
| } |
| |
| private void updatePackagesList() { |
| if (infoElement.getEntry().getKind() == BeaninfoEntry.BIE_PLUGIN) { |
| // We don't allow these to be updated. They should only be used through |
| // registered mechanisms and we won't be showing them here normally. |
| listField.setLabelText(BeanInfoUIMessages.getString("SearchPathDialog.NotEditable_INFO_")); //$NON-NLS-1$ |
| listField.setEnabled(false); |
| return; |
| } |
| |
| listField.setElements(Arrays.asList(infoElement.getSearchpaths())); |
| } |
| |
| protected void pageCustomButtonPressed(int index) { |
| if (index != 3) |
| return; |
| |
| List elementsToAdd = choosePackages(); |
| |
| if (elementsToAdd != null && !elementsToAdd.isEmpty()) { |
| listField.addElements(elementsToAdd); |
| listField.postSetSelection(new StructuredSelection(elementsToAdd)); |
| } |
| } |
| |
| protected void okPressed() { |
| if (listField.isEnabled()) { |
| // If the field is not enabled, then there is no update to perform. We don't |
| // want to accidentially wipe out the search paths in this case. |
| |
| // Override to put the list of elements back into the BPBeaninfoListElement |
| // Until then they aren't actually updated. |
| List paths = listField.getElements(); |
| infoElement.setSearchpaths( |
| (BPSearchListElement[]) paths.toArray(new BPSearchListElement[paths.size()])); |
| } |
| super.okPressed(); |
| } |
| |
| /** |
| * Choose the packages that should be in the search path. |
| */ |
| private List choosePackages() { |
| |
| IPackageFragmentRoot[] roots = getBeaninfoRoots(); |
| List newPackageNames = new ArrayList(); |
| if (roots != null) { |
| // It's within the workspace, so we can get the roots and packages. |
| ISelectionStatusValidator validator = new PackagesWorkbookPage.ChoosePackagesSelectionValidator(); |
| |
| // Show up to the package fragment, don't show any contents of it. |
| Class[] acceptedClasses = new Class[] { IPackageFragmentRoot.class, IPackageFragment.class }; |
| Object[] rejectedFragments = getFilteredExistingEntries(roots); |
| |
| // Only show package fragments that have children (i.e. there classes in it, not interested |
| // in intermediate ones that have no classes defined in them. Those are filtered out. |
| TypedViewerFilter filter = new TypedViewerFilter(acceptedClasses, rejectedFragments) { |
| public boolean select(Viewer viewer, Object parentElement, Object element) { |
| if (super.select(viewer, parentElement, element)) { |
| if (element instanceof IPackageFragment) { |
| IPackageFragment pkg = (IPackageFragment) element; |
| try { |
| return pkg.hasChildren(); |
| } catch (JavaModelException e) { |
| } |
| return false; |
| } else |
| return true; |
| } |
| return false; |
| } |
| }; |
| |
| ITreeContentProvider provider = new PackageOnlyContentProvider(); |
| |
| ILabelProvider labelProvider = new JavaElementLabelProvider(JavaElementLabelProvider.SHOW_DEFAULT); |
| ElementTreeSelectionDialog dialog = |
| new ElementTreeSelectionDialog(getShell(), labelProvider, provider); |
| dialog.setTitle(BeanInfoUIMessages.getString(BeanInfoUIMessages.BPB_ADDSEARCHPATH_TITLE)); |
| |
| dialog.setValidator(validator); |
| dialog.setMessage(BeanInfoUIMessages.getString(BeanInfoUIMessages.BPB_ADDSEARCHPATH_DESC)); |
| dialog.addFilter(filter); |
| dialog.setInput(Arrays.asList(getBeaninfoRoots())); |
| |
| if (dialog.open() == Window.OK) { |
| Object[] elements = dialog.getResult(); |
| for (int i = 0; i < elements.length; i++) { |
| newPackageNames.add(((IPackageFragment) elements[i]).getElementName()); |
| } |
| } |
| } else { |
| // It's not within the workspace |
| final List existingPackagenames = getFilteredExistingEntries(); |
| IInputValidator validator = new IInputValidator() { |
| public String isValid(String newText) { |
| if (existingPackagenames.contains(newText)) |
| return BeanInfoUIMessages.getString("SearchPathDialog.PackagePresent_INFO_"); //$NON-NLS-1$ |
| |
| IStatus status = JavaConventions.validatePackageName(newText); |
| return status.getSeverity() == IStatus.OK ? null : status.getMessage(); |
| } |
| }; |
| InputDialog dialog = new InputDialog(getShell(), BeanInfoUIMessages.getString("SearchPathDialog.InputDialog.Title"), BeanInfoUIMessages.getString("SearchPathDialog.InputDialog.Message"), null, validator); //$NON-NLS-1$ //$NON-NLS-2$ |
| if (dialog.open() == Window.OK) |
| newPackageNames.add(dialog.getValue()); |
| } |
| |
| if (newPackageNames.size() == 0) |
| return Collections.EMPTY_LIST; |
| |
| List newElements = new ArrayList(newPackageNames.size()); |
| for (int i = 0; i < newPackageNames.size(); i++) |
| newElements.add( |
| new BPSearchListElement(new SearchpathEntry((String) newPackageNames.get(i)), false, false, false)); |
| return newElements; |
| } |
| /** |
| * Return the packagefragment roots for the given beaninfo entry. |
| * Return null if it can be handled (i.e. not in a project some where). |
| */ |
| protected IPackageFragmentRoot[] getBeaninfoRoots() { |
| IPackageFragmentRoot[] roots = null; |
| if (infoElement.getEntry().getKind() != BeaninfoEntry.BIE_PLUGIN) { |
| IClasspathEntry resolved = JavaCore.getResolvedClasspathEntry(((BeaninfoEntry) infoElement.getEntry()).getClasspathEntry()); |
| IResource res = ResourcesPlugin.getWorkspace().getRoot().findMember(resolved.getPath()); |
| if (res != null && res.exists()) { |
| if (res instanceof IProject) { |
| // It is a project itself. |
| IJavaProject jp = (IJavaProject) JavaCore.create(res); |
| try { |
| if (jp != null) |
| roots = jp.getPackageFragmentRoots(); // All of the roots in the project are applicable. |
| } catch (JavaModelException e) { |
| } |
| } else { |
| // It is within another project |
| IProject containingProject = res.getProject(); |
| IJavaProject jp = JavaCore.create(containingProject); |
| if (jp != null) { |
| // The roots if this is in the classpath of this project |
| try { |
| IPackageFragmentRoot root = jp.findPackageFragmentRoot(resolved.getPath()); |
| if (root != null) |
| roots = new IPackageFragmentRoot[] { root }; |
| } catch (JavaModelException e) { |
| } |
| } |
| } |
| } |
| } |
| return roots; |
| } |
| |
| /** |
| * Return the list of entries that already are in the search path |
| * so that they don't show up in the list. |
| */ |
| protected Object[] getFilteredExistingEntries(IPackageFragmentRoot[] roots) { |
| List entries = listField.getElements(); |
| List fragments = new ArrayList(entries.size()); |
| Iterator itr = entries.iterator(); |
| while (itr.hasNext()) { |
| BPSearchListElement elem = (BPSearchListElement) itr.next(); |
| fragments.addAll(getPackages(elem, roots)); |
| } |
| return fragments.toArray(); |
| } |
| |
| /** |
| * Return the list of entries that already are in the search path |
| * so that they don't show up in the list. This one is just the package names. |
| */ |
| protected List getFilteredExistingEntries() { |
| List entries = listField.getElements(); |
| List names = new ArrayList(entries.size()); |
| Iterator itr = entries.iterator(); |
| while (itr.hasNext()) { |
| BPSearchListElement elem = (BPSearchListElement) itr.next(); |
| names.add(((SearchpathEntry) elem.getEntry()).getPackage()); |
| } |
| return names; |
| } |
| |
| protected List getPackages(BPSearchListElement element, IPackageFragmentRoot[] roots) { |
| String packageName = ((SearchpathEntry) element.getEntry()).getPackage(); |
| if (packageName == null) |
| return Collections.EMPTY_LIST; |
| |
| try { |
| List packages = new ArrayList(10); |
| for (int i = 0; i < roots.length; i++) { |
| IJavaElement[] pfs = roots[i].getChildren(); |
| for (int j = 0; j < pfs.length; j++) |
| if (pfs[j].getElementType() == IJavaElement.PACKAGE_FRAGMENT |
| && pfs[j].getElementName().equals(packageName)) { |
| packages.add(pfs[j]); |
| break; |
| } |
| } |
| return packages; |
| } catch (JavaModelException e) { |
| } |
| return Collections.EMPTY_LIST; |
| } |
| } |
