| /******************************************************************************* |
| * Copyright (c) 2010 BestSolution.at 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: |
| * Tom Schindl <tom.schindl@bestsolution.at> - initial API and implementation |
| * Steven Spungin <steven@spungin.tv> - Bug 437469 |
| ******************************************************************************/ |
| package org.eclipse.e4.tools.emf.ui.internal.common.component.dialogs; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import org.eclipse.core.databinding.observable.list.IObservableList; |
| import org.eclipse.core.databinding.observable.list.WritableList; |
| import org.eclipse.e4.tools.emf.ui.common.IModelElementProvider.Filter; |
| import org.eclipse.e4.tools.emf.ui.common.IModelElementProvider.ModelResultHandler; |
| import org.eclipse.e4.tools.emf.ui.common.Util; |
| import org.eclipse.e4.tools.emf.ui.common.Util.InternalPackage; |
| import org.eclipse.e4.tools.emf.ui.common.component.AbstractComponentEditor; |
| import org.eclipse.e4.tools.emf.ui.internal.Messages; |
| import org.eclipse.e4.tools.emf.ui.internal.common.ClassContributionCollector; |
| import org.eclipse.e4.ui.model.application.MApplicationElement; |
| import org.eclipse.e4.ui.model.fragment.MStringModelFragment; |
| import org.eclipse.e4.ui.model.fragment.impl.FragmentPackageImpl; |
| import org.eclipse.emf.common.command.Command; |
| import org.eclipse.emf.ecore.EClass; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.emf.ecore.resource.Resource; |
| import org.eclipse.emf.edit.command.SetCommand; |
| import org.eclipse.jface.databinding.viewers.ObservableListContentProvider; |
| import org.eclipse.jface.dialogs.TitleAreaDialog; |
| import org.eclipse.jface.fieldassist.AutoCompleteField; |
| import org.eclipse.jface.fieldassist.ComboContentAdapter; |
| import org.eclipse.jface.viewers.ArrayContentProvider; |
| import org.eclipse.jface.viewers.ComboViewer; |
| import org.eclipse.jface.viewers.DoubleClickEvent; |
| import org.eclipse.jface.viewers.IDoubleClickListener; |
| import org.eclipse.jface.viewers.ISelectionChangedListener; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.LabelProvider; |
| import org.eclipse.jface.viewers.SelectionChangedEvent; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.jface.viewers.StyledCellLabelProvider; |
| import org.eclipse.jface.viewers.StyledString; |
| import org.eclipse.jface.viewers.TableViewer; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.jface.viewers.ViewerCell; |
| import org.eclipse.jface.viewers.ViewerComparator; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.DisposeEvent; |
| import org.eclipse.swt.events.DisposeListener; |
| import org.eclipse.swt.events.ModifyEvent; |
| import org.eclipse.swt.events.ModifyListener; |
| 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.swt.widgets.Shell; |
| import org.eclipse.swt.widgets.Text; |
| import org.osgi.framework.Bundle; |
| import org.osgi.framework.BundleContext; |
| import org.osgi.framework.FrameworkUtil; |
| import org.osgi.framework.ServiceReference; |
| |
| public class FindParentReferenceElementDialog extends TitleAreaDialog { |
| private final MStringModelFragment fragment; |
| private final AbstractComponentEditor editor; |
| private TableViewer viewer; |
| private final Messages Messages; |
| private ModelResultHandlerImpl currentResultHandler; |
| private WritableList list; |
| private ComboViewer eClassViewer; |
| private Text searchText; |
| |
| public FindParentReferenceElementDialog(Shell parentShell, AbstractComponentEditor editor, |
| MStringModelFragment fragment, Messages Messages) { |
| super(parentShell); |
| this.fragment = fragment; |
| this.editor = editor; |
| this.Messages = Messages; |
| } |
| |
| @Override |
| protected boolean isResizable() { |
| return true; |
| } |
| |
| @Override |
| protected Control createDialogArea(Composite parent) { |
| final Composite comp = (Composite) super.createDialogArea(parent); |
| |
| final Image titleImage = new Image(parent.getDisplay(), getClass().getClassLoader().getResourceAsStream( |
| "/icons/full/wizban/import_wiz.png")); //$NON-NLS-1$ |
| setTitleImage(titleImage); |
| getShell().addDisposeListener(new DisposeListener() { |
| |
| @Override |
| public void widgetDisposed(DisposeEvent e) { |
| titleImage.dispose(); |
| } |
| }); |
| |
| getShell().setText(Messages.FindParentReferenceElementDialog_ShellTitle); |
| setTitle(Messages.FindParentReferenceElementDialog_Title); |
| setMessage(Messages.FindParentReferenceElementDialog_Message); |
| |
| final Composite container = new Composite(comp, SWT.NONE); |
| container.setLayoutData(new GridData(GridData.FILL_BOTH)); |
| container.setLayout(new GridLayout(2, false)); |
| |
| Label l = new Label(container, SWT.NONE); |
| l.setText(Messages.FindParentReferenceElementDialog_ContainerType); |
| |
| final Combo combo = new Combo(container, SWT.NONE); |
| eClassViewer = new ComboViewer(combo); |
| eClassViewer.setLabelProvider(new LabelProvider() { |
| @Override |
| public String getText(Object element) { |
| return ((EClass) element).getName(); |
| } |
| }); |
| eClassViewer.setContentProvider(new ArrayContentProvider()); |
| final List<EClass> eClassList = new ArrayList<EClass>(); |
| for (final InternalPackage p : Util.loadPackages()) { |
| eClassList.addAll(p.getAllClasses()); |
| } |
| eClassViewer.setComparator(new ViewerComparator() { |
| @Override |
| public int compare(Viewer viewer, Object e1, Object e2) { |
| final EClass ec1 = (EClass) e1; |
| final EClass ec2 = (EClass) e2; |
| return ec1.getName().compareTo(ec2.getName()); |
| } |
| }); |
| eClassViewer.setInput(eClassList); |
| eClassViewer.getCombo().select(0); |
| eClassViewer.getControl().setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); |
| eClassViewer.addSelectionChangedListener(new ISelectionChangedListener() { |
| |
| @Override |
| public void selectionChanged(SelectionChangedEvent event) { |
| updateSearch(); |
| } |
| }); |
| |
| final ArrayList<String> vals = new ArrayList<String>(); |
| for (final EClass item : eClassList) { |
| vals.add(item.getName()); |
| } |
| final String[] values = vals.toArray(new String[0]); |
| final ComboContentAdapter textContentAdapter = new ComboContentAdapter() { |
| @Override |
| public void setControlContents(Control control, String text1, int cursorPosition) { |
| super.setControlContents(control, text1, cursorPosition); |
| final int index = Arrays.asList(values).indexOf(text1); |
| final EClass eClass = eClassList.get(index); |
| eClassViewer.setSelection(new StructuredSelection(eClass)); |
| } |
| }; |
| new AutoCompleteField(combo, textContentAdapter, values); |
| |
| l = new Label(container, SWT.NONE); |
| l.setText(Messages.FindParentReferenceElementDialog_Search); |
| |
| searchText = new Text(container, SWT.BORDER | SWT.SEARCH | SWT.ICON_SEARCH); |
| GridData gd = new GridData(GridData.FILL_HORIZONTAL); |
| searchText.setLayoutData(gd); |
| |
| l = new Label(container, SWT.PUSH); |
| |
| viewer = new TableViewer(container); |
| gd = new GridData(GridData.FILL_BOTH); |
| gd.heightHint = 200; |
| viewer.getControl().setLayoutData(gd); |
| viewer.setLabelProvider(new StyledCellLabelProvider() { |
| @Override |
| public void update(ViewerCell cell) { |
| final EObject o = (EObject) cell.getElement(); |
| final AbstractComponentEditor editor = FindParentReferenceElementDialog.this.editor.getEditor() |
| .getEditor(o.eClass()); |
| cell.setImage(editor.getImage(o, searchText.getDisplay())); |
| |
| final MApplicationElement appEl = (MApplicationElement) o; |
| |
| final StyledString styledString = new StyledString( |
| editor.getLabel(o) |
| + " (" + (appEl.getElementId() == null ? "<" + Messages.FindParentReferenceElementDialog_NoId + ">" : appEl.getElementId()) + ")", null); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ |
| final String detailLabel = editor.getDetailLabel(o); |
| if (detailLabel != null && !detailLabel.equals(appEl.getElementId())) { |
| styledString.append(" - " + detailLabel, StyledString.DECORATIONS_STYLER); //$NON-NLS-1$ |
| } |
| |
| styledString.append(" - " + o.eResource().getURI(), StyledString.COUNTER_STYLER); //$NON-NLS-1$ |
| cell.setStyleRanges(styledString.getStyleRanges()); |
| cell.setText(styledString.getString()); |
| } |
| }); |
| viewer.setContentProvider(new ObservableListContentProvider()); |
| viewer.addDoubleClickListener(new IDoubleClickListener() { |
| |
| @Override |
| public void doubleClick(DoubleClickEvent event) { |
| okPressed(); |
| } |
| }); |
| |
| list = new WritableList(); |
| viewer.setInput(list); |
| |
| final ClassContributionCollector collector = getCollector(); |
| |
| searchText.addModifyListener(new ModifyListener() { |
| |
| @Override |
| public void modifyText(ModifyEvent e) { |
| updateSearch(); |
| } |
| }); |
| |
| final Button button = new Button(container, SWT.PUSH); |
| button.setText(Messages.FindParentReferenceElementDialog_ClearCache); |
| button.setLayoutData(new GridData(GridData.END, GridData.CENTER, true, false, 2, 1)); |
| button.addSelectionListener(new SelectionAdapter() { |
| @Override |
| public void widgetSelected(SelectionEvent e) { |
| collector.clearModelCache(); |
| } |
| }); |
| return comp; |
| } |
| |
| protected void updateSearch() { |
| if (currentResultHandler != null) { |
| currentResultHandler.cancled = true; |
| } |
| list.clear(); |
| |
| final Filter filter = new Filter( |
| (EClass) ((IStructuredSelection) eClassViewer.getSelection()).getFirstElement(), searchText.getText()); |
| |
| currentResultHandler = new ModelResultHandlerImpl(list, filter, editor, ((EObject) fragment).eResource()); |
| getCollector().findModelElements(filter, currentResultHandler); |
| |
| } |
| |
| @Override |
| protected void okPressed() { |
| final IStructuredSelection s = (IStructuredSelection) viewer.getSelection(); |
| if (!s.isEmpty()) { |
| final MApplicationElement el = (MApplicationElement) s.getFirstElement(); |
| if (el.getElementId() != null && el.getElementId().trim().length() > 0) { |
| final Command cmd = SetCommand.create(editor.getEditingDomain(), fragment, |
| FragmentPackageImpl.Literals.STRING_MODEL_FRAGMENT__PARENT_ELEMENT_ID, el.getElementId()); |
| if (cmd.canExecute()) { |
| editor.getEditingDomain().getCommandStack().execute(cmd); |
| super.okPressed(); |
| } |
| } else { |
| setErrorMessage(Messages.FindParentReferenceElementDialog_NoReferenceId); |
| } |
| } |
| } |
| |
| private ClassContributionCollector getCollector() { |
| final Bundle bundle = FrameworkUtil.getBundle(FindParentReferenceElementDialog.class); |
| final BundleContext context = bundle.getBundleContext(); |
| final ServiceReference<?> ref = context.getServiceReference(ClassContributionCollector.class.getName()); |
| if (ref != null) { |
| return (ClassContributionCollector) context.getService(ref); |
| } |
| return null; |
| } |
| |
| private static class ModelResultHandlerImpl implements ModelResultHandler { |
| private boolean cancled = false; |
| private final IObservableList list; |
| private final Filter filter; |
| private final AbstractComponentEditor editor; |
| private final Resource resource; |
| |
| public ModelResultHandlerImpl(IObservableList list, Filter filter, AbstractComponentEditor editor, |
| Resource resource) { |
| this.list = list; |
| this.filter = filter; |
| this.editor = editor; |
| this.resource = resource; |
| } |
| |
| @Override |
| public void result(EObject data) { |
| if (!cancled) { |
| if (!resource.getURI().equals(data.eResource().getURI())) { |
| if (data instanceof MApplicationElement) { |
| final String elementId = ((MApplicationElement) data).getElementId(); |
| if (elementId == null) { |
| list.add(data); |
| return; |
| } |
| |
| if (elementId.trim().length() > 0) { |
| if (filter.elementIdPattern.matcher(elementId).matches()) { |
| list.add(data); |
| return; |
| } |
| } |
| |
| final String label = editor.getDetailLabel(data); |
| if (label != null && label.trim().length() > 0) { |
| if (filter.elementIdPattern.matcher(label).matches()) { |
| list.add(data); |
| return; |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| } |
