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annotate geotemco/lib/simile/ajax/scripts/units.js @ 0:b12c99b7c3f0

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commit for previous development
author Zoe Hong <zhong@mpiwg-berlin.mpg.de>
date Mon, 19 Jan 2015 17:13:49 +0100
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1 /*==================================================
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2 * Default Unit
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3 *==================================================
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4 */
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5
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6 SimileAjax.NativeDateUnit = new Object();
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8 SimileAjax.NativeDateUnit.makeDefaultValue = function() {
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9 return new Date();
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10 };
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12 SimileAjax.NativeDateUnit.cloneValue = function(v) {
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13 return new Date(v.getTime());
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14 };
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16 SimileAjax.NativeDateUnit.getParser = function(format) {
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17 if (typeof format == "string") {
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18 format = format.toLowerCase();
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19 }
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21 var parser = (format == "iso8601" || format == "iso 8601") ?
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22 SimileAjax.DateTime.parseIso8601DateTime :
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23 SimileAjax.DateTime.parseGregorianDateTime;
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25 return function(d) {
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26 if (typeof d != 'undefined' && typeof d.toUTCString == "function") {
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27 return d;
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28 } else {
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29 return parser(d);
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30 }
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31 };
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32 };
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34 SimileAjax.NativeDateUnit.parseFromObject = function(o) {
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35 return SimileAjax.DateTime.parseGregorianDateTime(o);
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36 };
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38 SimileAjax.NativeDateUnit.toNumber = function(v) {
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39 return v.getTime();
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40 };
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42 SimileAjax.NativeDateUnit.fromNumber = function(n) {
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43 return new Date(n);
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44 };
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46 SimileAjax.NativeDateUnit.compare = function(v1, v2) {
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47 var n1, n2;
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48 if (typeof v1 == "object") {
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49 n1 = v1.getTime();
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50 } else {
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51 n1 = Number(v1);
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52 }
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53 if (typeof v2 == "object") {
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54 n2 = v2.getTime();
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55 } else {
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56 n2 = Number(v2);
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57 }
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59 return n1 - n2;
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60 };
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62 SimileAjax.NativeDateUnit.earlier = function(v1, v2) {
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63 return SimileAjax.NativeDateUnit.compare(v1, v2) < 0 ? v1 : v2;
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64 };
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66 SimileAjax.NativeDateUnit.later = function(v1, v2) {
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67 return SimileAjax.NativeDateUnit.compare(v1, v2) > 0 ? v1 : v2;
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68 };
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70 SimileAjax.NativeDateUnit.change = function(v, n) {
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71 return new Date(v.getTime() + n);
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72 };
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