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Package: AddReferenceAction
AddReferenceAction
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| AddReferenceAction(EditingDomain, EStructuralFeature.Setting, IItemPropertyDescriptor, ReferenceService) |
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| addExistingElementsToReferenceService(EObject, EReference) |
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| getContainmentWarningDialog() |
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| run() |
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Coverage
1: /*******************************************************************************
2: * Copyright (c) 2011-2015 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: * Eugen Neufeld - initial API and implementation
13: *
14: *******************************************************************************/
15:
16: package org.eclipse.emf.ecp.edit.spi.swt.reference;
17:
18: import java.net.MalformedURLException;
19: import java.net.URL;
20:
21: import org.eclipse.emf.common.util.URI;
22: import org.eclipse.emf.ecore.EObject;
23: import org.eclipse.emf.ecore.EReference;
24: import org.eclipse.emf.ecore.EStructuralFeature.Setting;
25: import org.eclipse.emf.ecp.edit.internal.swt.Activator;
26: import org.eclipse.emf.ecp.edit.internal.swt.reference.ReferenceMessageKeys;
27: import org.eclipse.emf.ecp.edit.internal.swt.util.OverlayImageDescriptor;
28: import org.eclipse.emf.ecp.edit.spi.ReferenceService;
29: import org.eclipse.emf.ecp.edit.spi.swt.actions.ECPSWTAction;
30: import org.eclipse.emf.ecp.edit.spi.swt.util.ECPDialogExecutor;
31: import org.eclipse.emf.edit.domain.EditingDomain;
32: import org.eclipse.emf.edit.provider.ComposedImage;
33: import org.eclipse.emf.edit.provider.IItemLabelProvider;
34: import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
35: import org.eclipse.emfforms.spi.localization.LocalizationServiceHelper;
36: import org.eclipse.jface.dialogs.MessageDialog;
37: import org.eclipse.jface.resource.ImageDescriptor;
38: import org.eclipse.jface.window.Window;
39: import org.eclipse.swt.graphics.ImageData;
40:
41: /**
42: * An Action for adding reference links to a model element. It is mainly used in the
43: * {@link org.eclipse.emf.ecp.edit.internal.swt.controls.MultiControl MultiControl}
44: *
45: * @author shterev
46: * @author Eugen Neufeld
47: * @since 1.5
48: */
49: public class AddReferenceAction extends ECPSWTAction {
50:
51: private final ReferenceService referenceService;
52:
53: /**
54: * The constructor for the add reference action.
55: *
56: * @param editingDomain the {@link EditingDomain} to use
57: * @param setting the {@link Setting} to use
58: * @param itemPropertyDescriptor the property descriptor
59: * @param referenceService the {@link ReferenceService}
60: */
61: public AddReferenceAction(EditingDomain editingDomain, Setting setting,
62: IItemPropertyDescriptor itemPropertyDescriptor, ReferenceService referenceService) {
63: super(editingDomain, setting);
64: this.referenceService = referenceService;
65: final EReference eReference = (EReference) setting.getEStructuralFeature();
66: Object obj = null;
67:• if (!eReference.getEReferenceType().isAbstract()) {
68: obj = eReference.getEReferenceType().getEPackage().getEFactoryInstance()
69: .create(eReference.getEReferenceType());
70: }
71: final IItemLabelProvider labelProvider = itemPropertyDescriptor.getLabelProvider(setting.getEObject());
72: Object labelProviderImageResult = labelProvider.getImage(obj);
73: ImageData imageData = null;
74:
75:• if (ComposedImage.class.isInstance(labelProviderImageResult)) {
76: labelProviderImageResult = ((ComposedImage) labelProviderImageResult).getImages().get(0);
77: }
78:• if (URI.class.isInstance(labelProviderImageResult)) {
79: try {
80: labelProviderImageResult = new URL(((URI) labelProviderImageResult).toString());
81: } catch (final MalformedURLException ex) {
82: Activator.logException(ex);
83: }
84: }
85:• if (URL.class.isInstance(labelProviderImageResult)) {
86: imageData = Activator.getImageData((URL) labelProviderImageResult);
87: } else {
88: imageData = Activator.getImageData((URL) null);
89: }
90: String overlayString = "icons/link_overlay.png";//$NON-NLS-1$
91:• if (eReference.isContainment()) {
92: overlayString = "icons/containment_overlay.png";//$NON-NLS-1$
93: }
94: final ImageDescriptor addOverlay = Activator.getImageDescriptor(overlayString);
95: final OverlayImageDescriptor imageDescriptor = new OverlayImageDescriptor(imageData, addOverlay,
96: OverlayImageDescriptor.LOWER_RIGHT);
97: setImageDescriptor(imageDescriptor);
98:
99: String attribute = itemPropertyDescriptor.getDisplayName(null);
100: // make singular attribute labels
101: // TODO language dependent
102:• if (attribute.endsWith("ies")) {//$NON-NLS-1$
103: attribute = attribute.substring(0, attribute.length() - 3) + "y"; //$NON-NLS-1$
104:• } else if (attribute.endsWith("s")) {//$NON-NLS-1$
105: attribute = attribute.substring(0, attribute.length() - 1);
106: }
107: setToolTipText(
108: LocalizationServiceHelper.getString(getClass(), ReferenceMessageKeys.AddReferenceAction_Link) + attribute);
109: }
110:
111: /**
112: * {@inheritDoc}
113: */
114: @Override
115: public void run() {
116: final EReference eReference = (EReference) getSetting().getEStructuralFeature();
117:• if (eReference.isContainment()) {
118: final MessageDialog dialog = getContainmentWarningDialog();
119: new ECPDialogExecutor(dialog) {
120: @Override
121: public void handleResult(int codeResult) {
122: if (codeResult == Window.OK) {
123: addExistingElementsToReferenceService(getSetting().getEObject(), (EReference) getSetting()
124: .getEStructuralFeature());
125: }
126: }
127: }.execute();
128: }
129: addExistingElementsToReferenceService(getSetting().getEObject(), (EReference) getSetting()
130: .getEStructuralFeature());
131: }
132:
133: private void addExistingElementsToReferenceService(EObject eObject, EReference eReference) {
134:• if (referenceService == null) {
135: return;
136: }
137: referenceService.addExistingModelElements(eObject, eReference);
138: }
139:
140: private MessageDialog getContainmentWarningDialog() {
141: return new MessageDialog(null,
142: LocalizationServiceHelper.getString(AddReferenceAction.class,
143: ReferenceMessageKeys.AddReferenceAction_Confirmation),
144: null,
145: LocalizationServiceHelper.getString(AddReferenceAction.class,
146: ReferenceMessageKeys.AddReferenceAction_Warning),
147: MessageDialog.WARNING,
148: new String[] {
149: LocalizationServiceHelper.getString(AddReferenceAction.class,
150: ReferenceMessageKeys.AddReferenceAction_Yes),
151: LocalizationServiceHelper.getString(AddReferenceAction.class,
152: ReferenceMessageKeys.AddReferenceAction_No) },
153: 0);
154: }
155: }