git_sitools_idoc / flarecast / workspace / client-public-3.0 / js / utils / Date.js @ master
1 | d2a8c3fd | Marc NICOLAS | /***************************************
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2 | * Copyright 2010-2014 CNES - CENTRE NATIONAL d'ETUDES SPATIALES
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3 | *
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4 | * This file is part of SITools2.
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5 | *
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6 | * SITools2 is free software: you can redistribute it and/or modify
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7 | * it under the terms of the GNU General Public License as published by
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8 | * the Free Software Foundation, either version 3 of the License, or
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9 | * (at your option) any later version.
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10 | *
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11 | * SITools2 is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU General Public License
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17 | * along with SITools2. If not, see <http://www.gnu.org/licenses/>.
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18 | ***************************************/
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19 | Ext.namespace('sitools.public.utils');
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20 | |||
21 | /**
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22 | * An utility class to use for specific sitools dates.
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23 | */
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24 | Ext.define("sitools.public.utils.Date", {
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25 | singleton : true, |
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26 | /**
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27 | * The regExp to test if a string can be transformed to a date
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28 | */
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29 | regToday : new RegExp("^\{\\$TODAY\} *(\\+ *[0-9]*|\\- *[0-9]*)?$"), |
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30 | /**
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31 | * in the template {$TODAY} + x, determine the x unit (currently it is a Day)
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32 | * @type
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33 | */
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34 | timeInterval : Ext.Date.DAY,
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35 | /**
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36 | * Transform a String value containing {$TODAY} into a valid date.
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37 | * @param {String} val the string value
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38 | * @return {Date} the date Value.
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39 | */
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40 | stringWithTodayToDate : function(val) { |
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41 | if (Ext.isDate(val)) {
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42 | return val;
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43 | } |
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44 | if (!this.regToday.test(val)) { |
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45 | return null; |
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46 | } |
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47 | |||
48 | var regNbJour = new RegExp("[0-9]+", "g"); |
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49 | var regOp = new RegExp("[+]|[-]"); |
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50 | var nbJour = parseFloat(regNbJour.exec(val));
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51 | var op = regOp.exec(val);
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52 | |||
53 | var result = new Date(); |
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54 | if (Ext.isEmpty(nbJour) && !Ext.isEmpty(op)) {
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55 | return null; |
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56 | } |
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57 | if (!Ext.isEmpty(nbJour) && !Ext.isEmpty(op)) {
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58 | if (op == "-") { |
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59 | nbJour = nbJour * -1;
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60 | } |
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61 | result = Ext.Date.add(result, this.timeInterval, nbJour);
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62 | } |
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63 | return result;
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64 | |||
65 | }, |
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66 | /**
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67 | * Test if a date object is valid or not.
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68 | * @param {Date} d date value
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69 | * @return {Boolean} valid or not valid
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70 | */
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71 | isValidDate : function (d) { |
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72 | if ( Object.prototype.toString.call(d) !== "[object Date]" ) |
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73 | return false; |
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74 | return !isNaN(d.getTime());
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75 | } |
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76 | }); |