1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
/*******************************************************************************
* Copyright (c) 2009, 2011, 2012 Mia-Software.
* 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:
* Nicolas Bros (Mia-Software) - initial API and implementation
* Nicolas Guyomar (Mia-Software) - Bug 349546 - EMF Facet facetSet editor
* Alban Ménager (Soft-Maint) - Bug 387470 - [EFacet][Custom] Editors
*******************************************************************************/
package org.eclipse.emf.facet.util.emf.ui.internal.exported.util.composite;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EClassifier;
import org.eclipse.emf.ecore.EPackage;
import org.eclipse.emf.facet.util.emf.ui.internal.Messages;
import org.eclipse.emf.facet.util.ui.internal.exported.util.composite.FilteredElementSelectionComposite;
import org.eclipse.swt.widgets.Composite;
/**
* A control to select an {@link EClass}, that can be filtered using the
* associated text field.
*
* @since 0.3
*/
public class EClassifierSelectionControl<T extends EClassifier> extends
FilteredElementSelectionComposite {
private final Map<String, T> stringToEClass = new HashMap<String, T>();
private final Class<? extends EClassifier> eTypeSel;
private String metamodelNsUri;
public EClassifierSelectionControl(final Composite parent,
final String metamodelNsUri, final Class<? extends T> eTypeSel) {
super(parent, true, false);
this.eTypeSel = eTypeSel;
this.metamodelNsUri = metamodelNsUri;
}
public void updateList(final String metamodelNsUri2) {
this.metamodelNsUri = metamodelNsUri2;
final EPackage ePackage = EPackage.Registry.INSTANCE
.getEPackage(this.metamodelNsUri);
if (ePackage != null) {
final List<String> eClasses = new ArrayList<String>();
final EList<EClassifier> eClassifiers = ePackage.getEClassifiers();
addElements(eClasses, eClassifiers);
if (eClasses.isEmpty()) {
eClasses.add(Messages.No_result_found);
setEnabled(false);
} else {
setEnabled(true);
}
setElements(eClasses.toArray());
}
}
private void addElements(final List<String> eClasses,
final EList<? extends EClassifier> eClassifiers) {
for (final EClassifier eClassifier : eClassifiers) {
if (this.eTypeSel.isInstance(eClassifier)) {
eClasses.add(eClassifier.getName());
@SuppressWarnings("unchecked")
// @SuppressWarnings("unchecked") checked by the surrounding if
final T eClassifier2 = (T) eClassifier;
this.stringToEClass.put(eClassifier.getName(), eClassifier2);
}
}
}
public T getSelectedEClassifier() {
T result = null;
final Object[] selectElements = getSelectedElements();
if ((selectElements != null) && (selectElements.length > 0)
&& this.stringToEClass.containsKey(selectElements[0])) {
result = this.stringToEClass.get(selectElements[0]);
}
return result;
}
}
|
