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1
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2 $.extend( DataTable.ext.oSort, {
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3 /*
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4 * text sorting
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5 */
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6 "string-pre": function ( a )
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7 {
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8 if ( typeof a != 'string' ) {
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9 a = (a !== null && a.toString) ? a.toString() : '';
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10 }
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11 return a.toLowerCase();
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12 },
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13
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14 "string-asc": function ( x, y )
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15 {
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16 return ((x < y) ? -1 : ((x > y) ? 1 : 0));
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17 },
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18
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19 "string-desc": function ( x, y )
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20 {
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21 return ((x < y) ? 1 : ((x > y) ? -1 : 0));
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22 },
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23
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24
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25 /*
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26 * html sorting (ignore html tags)
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27 */
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28 "html-pre": function ( a )
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29 {
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30 return a.replace( /<.*?>/g, "" ).toLowerCase();
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31 },
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32
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33 "html-asc": function ( x, y )
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34 {
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35 return ((x < y) ? -1 : ((x > y) ? 1 : 0));
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36 },
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37
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38 "html-desc": function ( x, y )
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39 {
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40 return ((x < y) ? 1 : ((x > y) ? -1 : 0));
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41 },
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42
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43
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44 /*
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45 * date sorting
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46 */
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47 "date-pre": function ( a )
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48 {
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49 var x = Date.parse( a );
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50
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51 if ( isNaN(x) || x==="" )
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52 {
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53 x = Date.parse( "01/01/1970 00:00:00" );
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54 }
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55 return x;
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56 },
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57
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58 "date-asc": function ( x, y )
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59 {
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60 return x - y;
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61 },
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62
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63 "date-desc": function ( x, y )
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64 {
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65 return y - x;
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66 },
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67
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68
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69 /*
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70 * numerical sorting
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71 */
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72 "numeric-pre": function ( a )
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73 {
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74 return (a=="-" || a==="") ? 0 : a*1;
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75 },
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76
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77 "numeric-asc": function ( x, y )
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78 {
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79 return x - y;
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80 },
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81
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82 "numeric-desc": function ( x, y )
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83 {
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84 return y - x;
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85 }
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86 } );
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