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Package: GenerateEcoreEditorJavaCodeAction
GenerateEcoreEditorJavaCodeAction
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| GenerateEcoreEditorJavaCodeAction() |
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| canExecute(Object) |
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| getAction(Object, ISelectionProvider) |
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| getEPackage(ResourceSet) |
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| getGenModel(ResourceSet) |
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| getGenModelFile(IContainer, ResourceSet, EPackage) |
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| getGenModelFiles(IContainer) |
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Coverage
1: /*******************************************************************************
2: * Copyright (c) 2011-2017 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.emfforms.internal.editor.genmodel.toolbaractions;
15:
16: import java.util.ArrayList;
17: import java.util.List;
18:
19: import org.eclipse.core.resources.IContainer;
20: import org.eclipse.core.resources.IFile;
21: import org.eclipse.core.resources.IResource;
22: import org.eclipse.core.resources.IWorkspaceRoot;
23: import org.eclipse.core.resources.ResourcesPlugin;
24: import org.eclipse.core.runtime.CoreException;
25: import org.eclipse.core.runtime.Path;
26: import org.eclipse.emf.codegen.ecore.genmodel.GenModel;
27: import org.eclipse.emf.codegen.ecore.genmodel.GenPackage;
28: import org.eclipse.emf.common.util.URI;
29: import org.eclipse.emf.ecore.EPackage;
30: import org.eclipse.emf.ecore.resource.Resource;
31: import org.eclipse.emf.ecore.resource.ResourceSet;
32: import org.eclipse.emfforms.internal.editor.genmodel.Messages;
33: import org.eclipse.jface.action.Action;
34: import org.eclipse.jface.dialogs.MessageDialog;
35: import org.eclipse.jface.viewers.ISelectionProvider;
36: import org.eclipse.swt.widgets.Display;
37:
38: /**
39: * The ToolbarAction allowing the User to generate Java code from the EcoreEditor.
40: *
41: * @author Alexandra Buzila
42: *
43: */
44: public class GenerateEcoreEditorJavaCodeAction extends GenerateJavaCodeAction {
45:
46: @Override
47: public boolean canExecute(Object object) {
48:• if (!ResourceSet.class.isInstance(object)) {
49: return false;
50: }
51: // We can execute our Action only if the ResourceSet contains an EPackage
52:• return getEPackage((ResourceSet) object) != null;
53:
54: }
55:
56: @Override
57: public Action getAction(Object currentObject, ISelectionProvider selectionProvider) {
58: final ResourceSet resourceSet = (ResourceSet) currentObject;
59: return new CreateEcoreJavaCodeAction(resourceSet, selectionProvider);
60: }
61:
62: @Override
63: protected GenModel getGenModel(ResourceSet resourceSet) {
64: final EPackage ePackage = getEPackage(resourceSet);
65:• if (ePackage == null) {
66: return null;
67: }
68: final URI resourceURI = ePackage.eResource().getURI();
69: final URI uri = ePackage.eResource().getResourceSet().getURIConverter().normalize(resourceURI);
70: final IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot();
71: final IFile file = root.getFile(new Path(uri.toPlatformString(true)));
72: final IContainer parent = file.getParent();
73: return getGenModelFile(parent, resourceSet, ePackage);
74: }
75:
76: private GenModel getGenModelFile(IContainer parent, ResourceSet resourceSet, EPackage ePackage) {
77:• for (final IResource resource : getGenModelFiles(parent)) {
78: final Resource emfResource = resourceSet
79: .getResource(URI.createPlatformResourceURI(resource.getFullPath().toString(), true), true);
80:• if (emfResource.getContents().isEmpty() || !GenModel.class.isInstance(emfResource.getContents().get(0))) {
81: continue;
82: }
83: final GenModel genModel = (GenModel) emfResource.getContents().get(0);
84:• for (final GenPackage genPackage : genModel.getGenPackages()) {
85:• if (ePackage.getNsURI() != null && genPackage.getEcorePackage() != null
86:• && ePackage.getNsURI().equals(genPackage.getEcorePackage().getNsURI())) {
87: resourceSet.getResources().remove(emfResource);
88: return genModel;
89: }
90: }
91: }
92: return null;
93: }
94:
95: private List<IResource> getGenModelFiles(IContainer parent) {
96: final List<IResource> genModelFiles = new ArrayList<IResource>();
97: try {
98:• for (final IResource member : parent.members()) {
99:• if (member.getFileExtension().equals("genmodel")) { //$NON-NLS-1$
100: genModelFiles.add(member);
101: }
102: }
103: } catch (final CoreException ex) {
104: // ignore
105: }
106: return genModelFiles;
107: }
108:
109: /**
110: * Returns the first {@link EPackage} object found in the first resource of the given {@link ResourceSet}.
111: *
112: * @param resourceSet the {@link ResourceSet} to check
113: * @return the {@link EPackage} or <code>null</code> if none was found
114: */
115: protected EPackage getEPackage(ResourceSet resourceSet) {
116:• if (resourceSet.getResources().isEmpty()) {
117: return null;
118: }
119: final Resource topResource = resourceSet.getResources().get(0);
120:• if (!topResource.getContents().isEmpty() && EPackage.class.isInstance(topResource.getContents().get(0))) {
121: return (EPackage) topResource.getContents().get(0);
122: }
123: return null;
124: }
125:
126: /**
127: * ToolbarAction to generate Java Code from the EcoreEditor.
128: */
129: class CreateEcoreJavaCodeAction extends CreateJavaCodeAction {
130:
131: private final ResourceSet resourceSet;
132:
133: /**
134: * Constructor.
135: *
136: * @param resourceSet the {@link ResourceSet} containing the genModel file
137: * @param selectionProvider the {@link ISelectionProvider}
138: */
139: CreateEcoreJavaCodeAction(ResourceSet resourceSet, ISelectionProvider selectionProvider) {
140: super(selectionProvider);
141: this.resourceSet = resourceSet;
142: }
143:
144: /**
145: * Constructor.
146: *
147: * @param resourceSet the {@link ResourceSet} containing the genModel file
148: * @param text the string used as the text for the action, or null if there is no text
149: * @param types the project types
150: * @param selectionProvider the {@link ISelectionProvider}
151: */
152: CreateEcoreJavaCodeAction(ResourceSet resourceSet, String text, Object[] types,
153: ISelectionProvider selectionProvider) {
154: super(text, types, selectionProvider);
155: this.resourceSet = resourceSet;
156: }
157:
158: @Override
159: public void run() {
160: final GenModel genModel = GenerateEcoreEditorJavaCodeAction.this.getGenModel(resourceSet);
161: if (genModel == null) {
162: showNoGenModelDialog();
163: return;
164: }
165: setGenModel(genModel);
166: super.run();
167: }
168:
169: @Override
170: protected Action getJavaCodeAction(String text, Object[] types) {
171: return new CreateEcoreJavaCodeAction(resourceSet, text, types, getSelectionProvider());
172: }
173:
174: private void showNoGenModelDialog() {
175: MessageDialog.openConfirm(Display.getCurrent().getActiveShell(),
176: Messages.GenerateEcoreEditorJavaCodeAction_noGenModelDialogTitle,
177: Messages.GenerateEcoreEditorJavaCodeAction_noGenModelDialogMessage);
178: }
179:
180: }
181: }