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Package: SelectEStructuralFeatureWizardPage
SelectEStructuralFeatureWizardPage
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| SelectEStructuralFeatureWizardPage() |
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| createControl(Composite) |
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| getContentProvider(AdapterFactory) |
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| getEStructuralFeature() |
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| isPageComplete() |
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| setSelectedEPackage(EPackage) |
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| setVisible(boolean) |
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Coverage
1: /*******************************************************************************
2: * Copyright (c) 2011-2016 EclipseSource Muenchen GmbH and others.
3: *
4: * All rights reserved. This program and the accompanying materials
5: * are made available under the terms of the Eclipse Public License 2.0
6: * which accompanies this distribution, and is available at
7: * https://www.eclipse.org/legal/epl-2.0/
8: *
9: * SPDX-License-Identifier: EPL-2.0
10: *
11: * Contributors:
12: * Alexandra Buzila - initial API and implementation
13: ******************************************************************************/
14: package org.eclipse.emf.ecp.view.template.internal.tooling.util;
15:
16: import java.util.LinkedHashSet;
17: import java.util.Set;
18:
19: import org.eclipse.emf.common.notify.AdapterFactory;
20: import org.eclipse.emf.ecore.EClass;
21: import org.eclipse.emf.ecore.EObject;
22: import org.eclipse.emf.ecore.EPackage;
23: import org.eclipse.emf.ecore.EStructuralFeature;
24: import org.eclipse.emf.ecp.view.model.common.edit.provider.CustomReflectiveItemProviderAdapterFactory;
25: import org.eclipse.emf.edit.provider.ComposedAdapterFactory;
26: import org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider;
27: import org.eclipse.jface.layout.GridDataFactory;
28: import org.eclipse.jface.viewers.ISelectionChangedListener;
29: import org.eclipse.jface.viewers.IStructuredSelection;
30: import org.eclipse.jface.viewers.ITreeContentProvider;
31: import org.eclipse.jface.viewers.SelectionChangedEvent;
32: import org.eclipse.jface.viewers.TreeViewer;
33: import org.eclipse.jface.viewers.Viewer;
34: import org.eclipse.jface.wizard.WizardPage;
35: import org.eclipse.swt.SWT;
36: import org.eclipse.swt.layout.GridLayout;
37: import org.eclipse.swt.widgets.Composite;
38: import org.eclipse.swt.widgets.Label;
39:
40: /**
41: * A wizard page for selecting a structural feature.
42: *
43: * @author Eugen Neufeld
44: *
45: */
46: public class SelectEStructuralFeatureWizardPage extends WizardPage {
47: /**
48: * Content Provider for {@link EStructuralFeature}.
49: *
50: * @author Eugen Neufeld
51: *
52: */
53: private static final class EStructuralFeatureContentProvider implements ITreeContentProvider {
54: @Override
55: public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
56: viewer.refresh();
57: }
58:
59: @Override
60: public void dispose() {
61: // TODO Auto-generated method stub
62: }
63:
64: @Override
65: public boolean hasChildren(Object element) {
66:
67: if (EPackage.class.isInstance(element)) {
68: return true;
69: }
70: if (EClass.class.isInstance(element)) {
71: return true;
72: }
73: return false;
74: }
75:
76: @Override
77: public Object getParent(Object element) {
78: // TODO Auto-generated method stub
79: return null;
80: }
81:
82: @Override
83: public Object[] getElements(Object inputElement) {
84: return getChildren(inputElement);
85: }
86:
87: @Override
88: public Object[] getChildren(Object parentElement) {
89: if (EPackage.class.isInstance(parentElement)) {
90: final Set<Object> children = new LinkedHashSet<Object>();
91: children.addAll(EPackage.class.cast(parentElement).getESubpackages());
92: for (final EObject obj : EPackage.class.cast(parentElement).getEClassifiers()) {
93: if (EClass.class.isInstance(obj)) {
94: final EClass eClass = EClass.class.cast(obj);
95: if (!eClass.isAbstract() && !eClass.isInterface()) {
96: children.add(obj);
97: }
98: }
99: }
100: return children.toArray();
101: }
102: if (EClass.class.isInstance(parentElement)) {
103: return EClass.class.cast(parentElement).getEAllStructuralFeatures().toArray();
104: }
105: return null;
106: }
107: }
108:
109: private Composite container;
110: private EPackage selectedEPackage;
111: private EStructuralFeature selectedEStructuralFeature;
112:
113: /**
114: * @param selectedEPackage the selectedEPackage to set
115: */
116: public void setSelectedEPackage(EPackage selectedEPackage) {
117: this.selectedEPackage = selectedEPackage;
118: treeViewer.setInput(selectedEPackage);
119: }
120:
121: private TreeViewer treeViewer;
122:
123: /**
124: * Constructor.
125: */
126: public SelectEStructuralFeatureWizardPage() {
127: super("Select EStructuralFeature"); //$NON-NLS-1$
128: setTitle("Select EStructuralFeature"); //$NON-NLS-1$
129: setDescription("Select an EEstructuralFeature for the Domain Model Reference Selector."); //$NON-NLS-1$
130: }
131:
132: /**
133: * {@inheritDoc}
134: *
135: * @see org.eclipse.jface.dialogs.DialogPage#setVisible(boolean)
136: */
137: @Override
138: public void setVisible(boolean visible) {
139: super.setVisible(visible);
140:• if (treeViewer != null && selectedEPackage != null) {
141: treeViewer.setInput(selectedEPackage);
142: treeViewer.expandToLevel(2);
143: }
144: }
145:
146: @Override
147: public void createControl(Composite parent) {
148:
149: container = new Composite(parent, SWT.NONE);
150: final GridLayout layout = new GridLayout();
151: layout.verticalSpacing = 10;
152: layout.horizontalSpacing = 5;
153: container.setLayout(layout);
154: GridDataFactory.fillDefaults().align(SWT.FILL, SWT.FILL).grab(true, true).applyTo(container);
155: layout.numColumns = 1;
156:
157: final Label label1 = new Label(container, SWT.NONE);
158: label1.setText("Select an EStructuralFeature:"); //$NON-NLS-1$
159:
160: final ComposedAdapterFactory adapterFactory = new ComposedAdapterFactory(new AdapterFactory[] {
161: new CustomReflectiveItemProviderAdapterFactory(),
162: new ComposedAdapterFactory(ComposedAdapterFactory.Descriptor.Registry.INSTANCE) });
163: final AdapterFactoryLabelProvider labelProvider = new AdapterFactoryLabelProvider(adapterFactory);
164:
165: treeViewer = new TreeViewer(container, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
166: treeViewer.setContentProvider(getContentProvider(adapterFactory));
167: treeViewer.setLabelProvider(labelProvider);
168: treeViewer.setInput(selectedEPackage);
169: treeViewer.addSelectionChangedListener(new ISelectionChangedListener() {
170:
171: @Override
172: public void selectionChanged(SelectionChangedEvent event) {
173: if (event.getSelection() instanceof IStructuredSelection) {
174: final IStructuredSelection selection = (IStructuredSelection) event.getSelection();
175:
176: final Object selectedItem = selection.getFirstElement();
177: if (EStructuralFeature.class.isInstance(selectedItem)) {
178: selectedEStructuralFeature = (EStructuralFeature) selectedItem;
179: setPageComplete(true);
180: } else {
181: selectedEStructuralFeature = null;
182: setPageComplete(false);
183: }
184: }
185: }
186: });
187: treeViewer.expandToLevel(2);
188: GridDataFactory.fillDefaults().align(SWT.FILL, SWT.FILL).grab(true, true).hint(SWT.DEFAULT, 200)
189: .applyTo(treeViewer.getControl());
190: container.layout(true);
191: container.pack();
192:
193: setControl(container);
194: setPageComplete(false);
195: }
196:
197: private ITreeContentProvider getContentProvider(final AdapterFactory adapterFactory) {
198: return new EStructuralFeatureContentProvider();
199: }
200:
201: /**
202: * Returns the selected {@link EStructuralFeature}.
203: *
204: * @return the selected {@link EStructuralFeature}
205: */
206: public EStructuralFeature getEStructuralFeature() {
207: return selectedEStructuralFeature;
208: }
209:
210: /**
211: * {@inheritDoc}
212: *
213: * @see org.eclipse.jface.wizard.WizardPage#isPageComplete()
214: */
215: @Override
216: public boolean isPageComplete() {
217:• return selectedEStructuralFeature != null;
218: }
219: }