3 * Copyright (C) 2007 EDIT
4 * European Distributed Institute of Taxonomy
5 * http://www.e-taxonomy.eu
7 * The contents of this file are subject to the Mozilla Public License Version 1.1
8 * See LICENSE.TXT at the top of this package for the full license terms.
11 package eu
.etaxonomy
.taxeditor
.ui
.element
;
13 import org
.apache
.commons
.lang
.StringUtils
;
14 import org
.eclipse
.swt
.SWT
;
15 import org
.eclipse
.swt
.events
.ModifyEvent
;
16 import org
.eclipse
.swt
.widgets
.Display
;
20 * <p>NumberWithLabelElement class.</p>
23 * @created Mar 22, 2010
26 public class NumberWithLabelElement
extends TextWithLabelElement
{
31 private NumberFormatException exception
;
34 * <p>Constructor for NumberWithLabelElement.</p>
36 * @param toolkit a {@link eu.etaxonomy.taxeditor.ui.element.CdmFormFactory} object.
37 * @param parentElement a {@link eu.etaxonomy.taxeditor.ui.element.ICdmFormElement} object.
38 * @param labelString a {@link java.lang.String} object.
39 * @param initialNumber a {@link java.lang.Number} object.
42 public NumberWithLabelElement(CdmFormFactory toolkit
,
43 ICdmFormElement parentElement
, String labelString
,
44 Number initialNumber
, int style
) {
45 super(toolkit
, parentElement
, labelString
, null, null, style
);
46 setNumber(initialNumber
);
53 * @param number a {@link java.lang.Number} object.
55 public void setNumber(Number number
) {
56 super.setText(getStringRepresentation(number
));
60 * Get the value of this field as an {@link Integer}.
61 * @return the Integer value or null if {@link NumberFormatException} occurs.
63 public Integer
getInteger() {
64 if(super.getText()!=null){
65 String text
= super.getText().trim();
67 return text
.equals("") ?
0 : new Integer(text
);
68 } catch (NumberFormatException e
) {
76 * Get the value of this field as a {@link Float}.
77 * @return the Float value or null if {@link NumberFormatException} occurs.
79 public Float
getFloat(){
80 String text
= super.getText();
82 return new Float(text
);
83 } catch (NumberFormatException e
) {
90 * Get the value of this field as an {@link Double}.
91 * @return the Double value or null if {@link NumberFormatException} occurs.
93 public Double
getDouble(){
94 String text
= super.getText();
96 return new Double(text
);
97 } catch (NumberFormatException e
) {
103 private String
getStringRepresentation(Object number
){
105 return number
.toString();
111 * @see eu.etaxonomy.taxeditor.forms.AbstractCdmFormElement#propertyChange(org.eclipse.jface.util.PropertyChangeEvent)
115 public void modifyText(ModifyEvent event
) {
116 String value
= text
.getText();
117 if(StringUtils
.isBlank(value
)){
118 text
.setBackground(Display
.getCurrent().getSystemColor(SWT
.COLOR_WHITE
));
119 super.modifyText(event
);
125 Float number
= Float
.parseFloat(value
);
127 if((start
!= null && number
< start
) || (end
!= null && number
> end
)){
128 exception
= new NumberFormatException("You entered a number that is not within the allowed bounds.");
132 }catch(NumberFormatException e
){
133 text
.setBackground(Display
.getCurrent().getSystemColor(SWT
.COLOR_RED
));
134 firePropertyChangeEvent(new CdmPropertyChangeEvent(this, event
));
140 text
.setBackground(Display
.getCurrent().getSystemColor(SWT
.COLOR_WHITE
));
142 super.modifyText(event
);
148 * @param numberOfDigits a int.
149 * @param start a {@link java.lang.Integer} object.
150 * @param end a {@link java.lang.Integer} object.
152 public void setLimits(int numberOfDigits
, Integer start
, Integer end
){
153 setLimits(numberOfDigits
, start
.floatValue(), end
.floatValue());
159 * @param numberOfDigits a int.
160 * @param start a {@link java.lang.Float} object.
161 * @param end a {@link java.lang.Float} object.
163 public void setLimits(int numberOfDigits
, Float start
, Float end
){
164 text
.setTextLimit(numberOfDigits
);
170 * <p>Getter for the field <code>exception</code>.</p>
172 * @return the exception
174 public NumberFormatException
getException() {