blob: 81733dab260579755eca3aef695e9423a6e21b61 (
plain) (
blame)
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
89
90
91
92
93
94
95
96
97
|
/*****************************************************************************
* Copyright (c) 2011 CEA LIST.
*
* 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:
* Camille Letavernier (CEA LIST) camille.letavernier@cea.fr - Initial API and implementation
*****************************************************************************/
package org.eclipse.papyrus.uml.properties.creation;
import java.util.List;
import org.eclipse.jface.dialogs.IInputValidator;
import org.eclipse.papyrus.infra.widgets.creation.StringEditionFactory;
import org.eclipse.papyrus.uml.properties.expression.ExpressionList.Expression;
import org.eclipse.papyrus.uml.properties.messages.Messages;
import org.eclipse.swt.widgets.Control;
/**
* A Factory for setting languages in a UML Expression editor.
* The value is the name of the language
*
* @author Camille Letavernier
*/
public class ExpressionLanguageFactory extends StringEditionFactory {
private UniqueElementValidator validator;
private List<?> expressionList;
/**
*
* Constructor.
*
* @param currentExpressionList
*/
public ExpressionLanguageFactory(List<?> currentExpressionList) {
super(Messages.ExpressionLanguageFactory_EditLanguage, Messages.ExpressionLanguageFactory_SetNewLanguage);
validator = new UniqueElementValidator();
this.expressionList = currentExpressionList;
setValidator(validator);
}
private class UniqueElementValidator implements IInputValidator {
private String currentValue;
public void setCurrentValue(String currentValue) {
this.currentValue = currentValue;
}
public String isValid(String newText) {
if(newText.equals(currentValue)) {
return null;
}
for(Object object : expressionList) {
if(object instanceof Expression) {
Expression expression = (Expression)object;
if(newText.equals(expression.getLanguage())) {
return Messages.ExpressionLanguageFactory_LanguageDuplicateError;
}
}
}
return null;
}
}
@Override
public Object edit(Control widget, Object currentValue) {
if(currentValue instanceof Expression) {
String valueToEdit = ((Expression)currentValue).getLanguage();
validator.setCurrentValue(valueToEdit);
String newValue = (String)super.edit(widget, valueToEdit);
((Expression)currentValue).setLanguage(newValue);
}
return currentValue;
}
@Override
public Object createObject(Control widget) {
String languageName = (String)super.createObject(widget);
if(languageName == null) {
return null;
}
Expression expression = new Expression();
expression.setLanguage(languageName);
return expression;
}
}
|
