Mercurial > lada > lada-client

annotate app/view/form/ExpNumberField.js @ 1119:b73f9a976c82

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Exponential notation without tampering numbers. Rounding is done by the server. Thus, the client should not fix the number of digits, except only for rendering.
author Tom Gottfried <tom@intevation.de>
date Mon, 23 May 2016 16:00:50 +0200
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1119
b73f9a976c82 Exponential notation without tampering numbers.
Tom Gottfried <tom@intevation.de>
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1 /* Copyright (C) 2013 by Bundesamt fuer Strahlenschutz
b73f9a976c82 Exponential notation without tampering numbers.
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2 * Software engineering by Intevation GmbH
b73f9a976c82 Exponential notation without tampering numbers.
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3 *
b73f9a976c82 Exponential notation without tampering numbers.
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4 * This file is Free Software under the GNU GPL (v>=3)
b73f9a976c82 Exponential notation without tampering numbers.
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out
b73f9a976c82 Exponential notation without tampering numbers.
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6 * the documentation coming with IMIS-Labordaten-Application for details.
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7 */
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8
b73f9a976c82 Exponential notation without tampering numbers.
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9 /**
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10 * Number field for display and editing of exponential numbers
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11 */
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12 Ext.define('Lada.view.form.ExpNumberField', {
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13 extend: 'Ext.form.field.Number',
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14 alias: 'widget.expnumberfield',
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15
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16 baseChars: '0123456789eE',
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17
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18 hideTrigger: true,
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19 keyNavEnabled: false,
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20 mouseWheelEnabled: false,
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21
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22 valueToRaw: function(value) {
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23 if (!value || value === '') {
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24 return value;
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25 }
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26
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27 // XXX: this will be applied to any input before being sent to
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28 // the server! Thus, toExponential(2) would lead to incorrectly
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29 // rounded numbers at this point.
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30 value = parseFloat(value).toExponential()
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31 .toString().replace('.', this.decimalSeparator);
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32
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33 return value;
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34 },
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35
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36 rawToValue: function(value) {
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37 if (!value || value === '') {
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38 return value;
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39 }
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40
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41 value = parseFloat(
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42 value.toString().replace(this.decimalSeparator, '.'));
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43
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44 return value;
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45 }
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46 });
http://lada.wald.intevation.org