Mercurial > lada > lada-client
comparison app/view/form/ExpNumberField.js @ 1119:b73f9a976c82
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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| 1118:ea5774447e49 | 1119:b73f9a976c82 |
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| 1 /* Copyright (C) 2013 by Bundesamt fuer Strahlenschutz | |
| 2 * Software engineering by Intevation GmbH | |
| 3 * | |
| 4 * This file is Free Software under the GNU GPL (v>=3) | |
| 5 * and comes with ABSOLUTELY NO WARRANTY! Check out | |
| 6 * the documentation coming with IMIS-Labordaten-Application for details. | |
| 7 */ | |
| 8 | |
| 9 /** | |
| 10 * Number field for display and editing of exponential numbers | |
| 11 */ | |
| 12 Ext.define('Lada.view.form.ExpNumberField', { | |
| 13 extend: 'Ext.form.field.Number', | |
| 14 alias: 'widget.expnumberfield', | |
| 15 | |
| 16 baseChars: '0123456789eE', | |
| 17 | |
| 18 hideTrigger: true, | |
| 19 keyNavEnabled: false, | |
| 20 mouseWheelEnabled: false, | |
| 21 | |
| 22 valueToRaw: function(value) { | |
| 23 if (!value || value === '') { | |
| 24 return value; | |
| 25 } | |
| 26 | |
| 27 // XXX: this will be applied to any input before being sent to | |
| 28 // the server! Thus, toExponential(2) would lead to incorrectly | |
| 29 // rounded numbers at this point. | |
| 30 value = parseFloat(value).toExponential() | |
| 31 .toString().replace('.', this.decimalSeparator); | |
| 32 | |
| 33 return value; | |
| 34 }, | |
| 35 | |
| 36 rawToValue: function(value) { | |
| 37 if (!value || value === '') { | |
| 38 return value; | |
| 39 } | |
| 40 | |
| 41 value = parseFloat( | |
| 42 value.toString().replace(this.decimalSeparator, '.')); | |
| 43 | |
| 44 return value; | |
| 45 } | |
| 46 }); |