| /******************************************************************************* |
| * Copyright (c) 2001, 2005 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: 1.9 $ $Date: 2005/10/04 17:59:17 $ |
| */ |
| |
| import java.text.MessageFormat; |
| import java.util.*; |
| import java.util.List; |
| |
| import org.eclipse.core.resources.*; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.jdt.core.*; |
| import org.eclipse.jdt.ui.JavaElementLabelProvider; |
| import org.eclipse.jface.dialogs.*; |
| import org.eclipse.jface.dialogs.Dialog; |
| import org.eclipse.jface.viewers.*; |
| import org.eclipse.jface.window.Window; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.*; |
| import org.eclipse.swt.layout.*; |
| import org.eclipse.swt.widgets.*; |
| import org.eclipse.ui.dialogs.ElementTreeSelectionDialog; |
| import org.eclipse.ui.dialogs.ISelectionStatusValidator; |
| |
| 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 { |
| protected BPBeaninfoListElement infoElement; |
| protected IJavaProject jProject; |
| //protected ListDialogField listField; |
| |
| private Composite top; |
| private Table table; |
| private TableViewer tableViewer; |
| private Label label; |
| private Composite buttonsBar; |
| private Button upbutton; |
| private Button downButton; |
| private Button choosePackagesButton; |
| private Button removeButton; |
| private List tableElements; |
| private boolean enabled = true; |
| |
| public BeaninfoEntrySearchpathDialog( |
| Shell parentShell, |
| BPBeaninfoListElement infoElement, |
| IJavaProject jProject) { |
| super(parentShell); |
| |
| this.infoElement = infoElement; |
| this.jProject = jProject; |
| this.tableElements = new ArrayList(); |
| } |
| |
| protected void configureShell(Shell newShell) { |
| super.configureShell(newShell); |
| newShell.setText( |
| MessageFormat.format( |
| BeanInfoUIMessages.SearchPathDialog_ModifySearchPaths, |
| new Object[] { infoElement.getEntry().getPath().toString()})); |
| } |
| |
| protected Control createDialogArea(Composite parent) { |
| top = new Composite(parent, SWT.NONE); |
| top.setLayoutData(new GridData(GridData.FILL_BOTH)); |
| top.setLayout(new GridLayout(2, false)); |
| |
| label = new Label(top, SWT.NONE); |
| label.setText(BeanInfoUIMessages.SearchPathDialog_Desc_Label); |
| GridData gd = new GridData(GridData.FILL_HORIZONTAL); |
| gd.horizontalSpan = 2; |
| label.setLayoutData(gd); |
| |
| createTable(); |
| createButtonsBar(); |
| |
| updatePackagesList(); |
| |
| updateButtons(); |
| |
| return top; |
| } |
| |
| /** |
| * This method initializes table |
| * |
| */ |
| private void createTable() { |
| GridData gridData1 = new org.eclipse.swt.layout.GridData(); |
| gridData1.horizontalAlignment = org.eclipse.swt.layout.GridData.FILL; |
| gridData1.grabExcessHorizontalSpace = true; |
| gridData1.grabExcessVerticalSpace = true; |
| gridData1.verticalAlignment = org.eclipse.swt.layout.GridData.FILL; |
| table = new Table(top, SWT.BORDER | SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL); |
| table.setLayoutData(gridData1); |
| table.addSelectionListener(new SelectionListener(){ |
| public void widgetSelected(SelectionEvent e) { |
| updateButtons(); |
| } |
| public void widgetDefaultSelected(SelectionEvent e) { |
| widgetSelected(e); |
| } |
| }); |
| tableViewer = new TableViewer(table); |
| //tableViewer.setSorter(new BIListElementSorter()); |
| tableViewer.setContentProvider(new ArrayContentProvider()); |
| tableViewer.setLabelProvider(new SearchPathListLabelProvider(jProject)); |
| tableViewer.setInput(tableElements); |
| } |
| |
| /** |
| * This method initializes buttonsBar |
| * |
| */ |
| private void createButtonsBar() { |
| RowLayout rowLayout = new RowLayout(); |
| rowLayout.type = org.eclipse.swt.SWT.VERTICAL; |
| rowLayout.marginLeft = 3; |
| rowLayout.fill = true; |
| GridData gridData2 = new org.eclipse.swt.layout.GridData(); |
| gridData2.grabExcessVerticalSpace = true; |
| gridData2.verticalAlignment = org.eclipse.swt.layout.GridData.FILL; |
| gridData2.horizontalAlignment = org.eclipse.swt.layout.GridData.BEGINNING; |
| buttonsBar = new Composite(top, SWT.NONE); |
| buttonsBar.setLayoutData(gridData2); |
| buttonsBar.setLayout(rowLayout); |
| upbutton = new Button(buttonsBar, SWT.NONE); |
| upbutton.setText(BeanInfoUIMessages.BeaninfoPathsBlock_UI__searchpath_up_button); |
| upbutton.addSelectionListener(new SelectionAdapter(){ |
| public void widgetSelected(SelectionEvent e) { |
| List selected = BeaninfoPathsBlock.getSelectedList(tableViewer.getSelection()); |
| Iterator selItr = selected.iterator(); |
| while (selItr.hasNext()) { |
| Object element = selItr.next(); |
| int oldIndex = tableElements.indexOf(element); |
| if(oldIndex>0){ |
| tableElements.remove(element); |
| tableElements.add(--oldIndex, element); |
| } |
| } |
| tableViewer.refresh(); |
| pageChanged(); |
| } |
| }); |
| downButton = new Button(buttonsBar, SWT.NONE); |
| downButton.setText(BeanInfoUIMessages.BeaninfoPathsBlock_UI__searchpath_down_button); |
| downButton.addSelectionListener(new org.eclipse.swt.events.SelectionAdapter() { |
| public void widgetSelected(org.eclipse.swt.events.SelectionEvent e) { |
| List selected = BeaninfoPathsBlock.getSelectedList(tableViewer.getSelection()); |
| Iterator selItr = selected.iterator(); |
| while (selItr.hasNext()) { |
| Object element = selItr.next(); |
| int oldIndex = tableElements.indexOf(element); |
| if(oldIndex<(tableElements.size()-1)){ |
| tableElements.remove(element); |
| tableElements.add(++oldIndex, element); |
| } |
| } |
| tableViewer.refresh(); |
| pageChanged(); |
| } |
| }); |
| new Label(buttonsBar, SWT.NONE); |
| choosePackagesButton = new Button(buttonsBar, SWT.NONE); |
| choosePackagesButton.setText(BeanInfoUIMessages.SearchPathDialog_ChoosePackages); |
| choosePackagesButton.addSelectionListener(new org.eclipse.swt.events.SelectionAdapter() { |
| public void widgetSelected(org.eclipse.swt.events.SelectionEvent e) { |
| final List elementsToAdd = choosePackages(); |
| if (elementsToAdd != null && !elementsToAdd.isEmpty()) { |
| tableElements.addAll(elementsToAdd); |
| tableViewer.refresh(); |
| table.getDisplay().asyncExec(new Runnable(){ |
| public void run() { |
| tableViewer.setSelection(new StructuredSelection(elementsToAdd)); |
| }; |
| }); |
| } |
| } |
| }); |
| new Label(buttonsBar, SWT.NONE); |
| removeButton = new Button(buttonsBar, SWT.NONE); |
| removeButton.setText(BeanInfoUIMessages.SearchPathDialog_Remove); |
| removeButton.addSelectionListener(new org.eclipse.swt.events.SelectionAdapter() { |
| public void widgetSelected(org.eclipse.swt.events.SelectionEvent e) { |
| List selected = BeaninfoPathsBlock.getSelectedList(tableViewer.getSelection()); |
| tableElements.removeAll(selected); |
| tableViewer.refresh(); |
| pageChanged(); |
| } |
| }); |
| } |
| |
| |
| protected void pageChanged() { |
| // TODO Auto-generated method stub |
| |
| } |
| |
| protected void updateButtons() { |
| if(top!=null && !top.isDisposed()){ |
| upbutton.setEnabled(enabled && canMoveUp()); |
| downButton.setEnabled(enabled && canMoveDown()); |
| removeButton.setEnabled(enabled && !tableViewer.getSelection().isEmpty()); |
| choosePackagesButton.setEnabled(enabled); |
| } |
| } |
| |
| private boolean canMoveDown() { |
| int[] indc= table.getSelectionIndices(); |
| int k= tableElements.size() - 1; |
| for (int i= indc.length - 1; i >= 0 ; i--, k--) { |
| if (indc[i] != k) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| private boolean canMoveUp() { |
| int[] indc= table.getSelectionIndices(); |
| for (int i= 0; i < indc.length; i++) { |
| if (indc[i] != i) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| 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. |
| label.setText(BeanInfoUIMessages.SearchPathDialog_NotEditable_INFO_); |
| updateEnabledState(false); |
| return; |
| } |
| tableElements.clear(); |
| tableElements.addAll(Arrays.asList(infoElement.getSearchpaths())); |
| tableViewer.refresh(); |
| } |
| |
| private void updateEnabledState(boolean b) { |
| enabled = b; |
| if(top!=null && !top.isDisposed()){ |
| label.setEnabled(enabled); |
| table.setEnabled(enabled); |
| updateButtons(); |
| } |
| } |
| |
| protected void okPressed() { |
| if (table.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. |
| infoElement.setSearchpaths( |
| (BPSearchListElement[]) tableElements.toArray(new BPSearchListElement[tableElements.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.BeaninfoPathsBlock_UI__addsearchpath_title); |
| |
| dialog.setValidator(validator); |
| dialog.setMessage(BeanInfoUIMessages.BeaninfoPathsBlock_UI__addsearchpath_description); |
| 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.SearchPathDialog_PackagePresent_INFO_; |
| |
| IStatus status = JavaConventions.validatePackageName(newText); |
| return status.getSeverity() == IStatus.OK ? null : status.getMessage(); |
| } |
| }; |
| InputDialog dialog = new InputDialog(getShell(), BeanInfoUIMessages.SearchPathDialog_InputDialog_Title, BeanInfoUIMessages.SearchPathDialog_InputDialog_Message, null, validator); |
| 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 = tableElements; |
| 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 = tableElements; |
| 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; |
| } |
| } |