| 1 | /* |
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| 2 | Core JavaScript Library |
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| 3 | $Id$ |
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| 4 | |
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| 5 | Copyright (c) 2005, Six Apart, Ltd. |
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| 6 | All rights reserved. |
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| 7 | |
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| 8 | Redistribution and use in source and binary forms, with or without |
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| 9 | modification, are permitted provided that the following conditions are |
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| 10 | met: |
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| 11 | |
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| 12 | * Redistributions of source code must retain the above copyright |
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| 13 | notice, this list of conditions and the following disclaimer. |
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| 14 | |
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| 15 | * Redistributions in binary form must reproduce the above |
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| 16 | copyright notice, this list of conditions and the following disclaimer |
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| 17 | in the documentation and/or other materials provided with the |
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| 18 | distribution. |
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| 19 | |
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| 20 | * Neither the name of "Six Apart" nor the names of its |
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| 21 | contributors may be used to endorse or promote products derived from |
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| 22 | this software without specific prior written permission. |
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| 23 | |
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| 24 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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| 25 | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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| 26 | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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| 27 | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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| 28 | OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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| 29 | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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| 30 | LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 31 | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 32 | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 33 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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| 34 | OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 35 | |
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| 36 | */ |
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| 37 | |
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| 38 | /* stubs */ |
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| 39 | |
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| 40 | log = function() {}; |
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| 41 | log.error = log.warn = log.debug = log; |
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| 42 | |
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| 43 | |
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| 44 | /* utility functions */ |
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| 45 | |
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| 46 | defined = function( x ) { |
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| 47 | return x === undefined ? false : true; |
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| 48 | } |
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| 49 | |
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| 50 | |
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| 51 | /** |
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| 52 | * Utility method. |
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| 53 | * @param x <code>any</code> Any JavaScript value, including <code>undefined</code>. |
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| 54 | * @return boolean <code>true</code> if the value is not <code>null</code> and is not <code>undefined</code>. |
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| 55 | */ |
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| 56 | exists = function( x ) { |
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| 57 | return (x === undefined || x === null) ? false : true; |
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| 58 | } |
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| 59 | |
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| 60 | |
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| 61 | finite = function( x ) { |
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| 62 | return isFinite( x ) ? x : 0; |
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| 63 | } |
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| 64 | |
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| 65 | |
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| 66 | finiteInt = function( x, base ) { |
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| 67 | return finite( parseInt( x, base ) ); |
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| 68 | } |
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| 69 | |
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| 70 | |
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| 71 | finiteFloat = function( x ) { |
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| 72 | return finite( parseFloat( x ) ); |
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| 73 | } |
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| 74 | |
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| 75 | |
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| 76 | max = function() { |
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| 77 | var a = arguments; |
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| 78 | var n = a[ 0 ]; |
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| 79 | for( var i = 1; i < a.length; i++ ) |
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| 80 | if( a[ i ] > n ) |
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| 81 | n = a[ i ]; |
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| 82 | return n; |
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| 83 | } |
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| 84 | |
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| 85 | |
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| 86 | min = function() { |
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| 87 | var a = arguments; |
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| 88 | var n = a[ 0 ]; |
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| 89 | for( var i = 1; i < a.length; i++ ) |
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| 90 | if( a[ i ] < n ) |
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| 91 | n = a[ i ]; |
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| 92 | return n; |
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| 93 | } |
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| 94 | |
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| 95 | |
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| 96 | /* try block */ |
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| 97 | |
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| 98 | Try = { |
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| 99 | these: function() { |
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| 100 | for( var i = 0; i < arguments.length; i++ ) { |
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| 101 | try { |
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| 102 | return arguments[ i ](); |
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| 103 | } catch( e ) {} |
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| 104 | } |
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| 105 | return undefined; |
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| 106 | } |
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| 107 | } |
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| 108 | |
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| 109 | |
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| 110 | /* unique id generator */ |
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| 111 | |
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| 112 | Unique = { |
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| 113 | length: 0, |
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| 114 | |
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| 115 | id: function() { |
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| 116 | return ++this.length; |
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| 117 | } |
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| 118 | } |
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| 119 | |
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| 120 | |
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| 121 | /* event methods */ |
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| 122 | |
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| 123 | if( !defined( window.Event ) ) |
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| 124 | Event = {}; |
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| 125 | |
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| 126 | |
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| 127 | Event.stop = function( event ) { |
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| 128 | event = event || this; |
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| 129 | if( event === Event ) |
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| 130 | event = window.event; |
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| 131 | |
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| 132 | // w3c |
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| 133 | if( event.preventDefault ) |
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| 134 | event.preventDefault(); |
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| 135 | if( event.stopPropagation ) |
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| 136 | event.stopPropagation(); |
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| 137 | |
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| 138 | // ie |
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| 139 | try { |
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| 140 | event.cancelBubble = true; |
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| 141 | event.returnValue = false; |
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| 142 | } catch( e ) {} |
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| 143 | |
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| 144 | return false; |
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| 145 | } |
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| 146 | |
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| 147 | |
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| 148 | Event.prep = function( event ) { |
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| 149 | event = event || window.event; |
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| 150 | if( !defined( event.stop ) ) |
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| 151 | event.stop = this.stop; |
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| 152 | if( !defined( event.target ) ) |
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| 153 | event.target = event.srcElement; |
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| 154 | if( !defined( event.relatedTarget ) ) |
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| 155 | event.relatedTarget = event.toElement; |
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| 156 | return event; |
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| 157 | } |
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| 158 | |
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| 159 | |
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| 160 | try { Event.prototype.stop = Event.stop; } |
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| 161 | catch( e ) {} |
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| 162 | |
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| 163 | |
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| 164 | /* object extensions */ |
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| 165 | |
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| 166 | Function.stub = function() {}; |
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| 167 | |
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| 168 | |
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| 169 | if( !Object.prototype.hasOwnProperty ) { |
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| 170 | Object.prototype.hasOwnProperty = function( p ) { |
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| 171 | if( !(p in this) ) |
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| 172 | return false; |
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| 173 | try { |
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| 174 | var pr = this.constructor.prototype; |
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| 175 | while( pr ) { |
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| 176 | if( pr[ p ] === this[ p ] ) |
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| 177 | return false; |
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| 178 | if( pr === pr.constructor.prototype ) |
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| 179 | break; |
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| 180 | pr = pr.constructor.prototype; |
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| 181 | } |
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| 182 | } catch( e ) {} |
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| 183 | return true; |
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| 184 | } |
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| 185 | } |
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| 186 | |
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| 187 | |
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| 188 | Object.prototype.extend = function() { |
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| 189 | var a = arguments; |
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| 190 | for( var i = 0; i < a.length; i++ ) { |
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| 191 | var o = a[ i ]; |
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| 192 | for( var p in o ) { |
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| 193 | try { |
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| 194 | if( !this[ p ] && |
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| 195 | (!o.hasOwnProperty || o.hasOwnProperty( p )) ) |
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| 196 | this[ p ] = o[ p ]; |
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| 197 | } catch( e ) {} |
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| 198 | } |
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| 199 | } |
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| 200 | return this; |
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| 201 | } |
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| 202 | |
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| 203 | |
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| 204 | Object.prototype.override = function() { |
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| 205 | var a = arguments; |
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| 206 | for( var i = 0; i < a.length; i++ ) { |
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| 207 | var o = a[ i ]; |
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| 208 | for( var p in o ) { |
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| 209 | try { |
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| 210 | if( !o.hasOwnProperty || o.hasOwnProperty( p ) ) |
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| 211 | this[ p ] = o[ p ]; |
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| 212 | } catch( e ) {} |
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| 213 | } |
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| 214 | } |
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| 215 | return this; |
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| 216 | } |
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| 217 | |
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| 218 | |
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| 219 | Object.prototype.extend( { |
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| 220 | init: Function.stub, |
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| 221 | destroy: Function.stub |
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| 222 | } ); |
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| 223 | |
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| 224 | |
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| 225 | |
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| 226 | /* function extensions */ |
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| 227 | |
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| 228 | Function.prototype.extend( { |
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| 229 | bind: function( object ) { |
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| 230 | var method = this; |
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| 231 | return function() { |
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| 232 | return method.apply( object, arguments ); |
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| 233 | }; |
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| 234 | }, |
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| 235 | |
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| 236 | |
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| 237 | bindEventListener: function( object ) { |
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| 238 | var method = this; // Use double closure to work around IE 6 memory leak. |
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| 239 | return function( event ) { |
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| 240 | try { |
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| 241 | event = Event.prep( event ); |
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| 242 | } catch( e ) {} |
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| 243 | return method.call( object, event ); |
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| 244 | }; |
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| 245 | } |
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| 246 | } ); |
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| 247 | |
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| 248 | |
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| 249 | /* class helpers */ |
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| 250 | |
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| 251 | indirectObjects = []; |
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| 252 | |
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| 253 | |
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| 254 | Class = function( superClass ) { |
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| 255 | |
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| 256 | // Set the constructor: |
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| 257 | var constructor = function() { |
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| 258 | if( arguments.length ) |
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| 259 | this.init.apply( this, arguments ); |
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| 260 | }; |
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| 261 | // -- Accomplish static-inheritance: |
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| 262 | constructor.override( Class ); // inherit static methods from Class |
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| 263 | superClass = superClass || Object; |
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| 264 | constructor.override( superClass ); // inherit static methods from the superClass |
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| 265 | constructor.superClass = superClass.prototype; |
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| 266 | |
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| 267 | // Set the constructor's prototype (accomplish object-inheritance): |
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| 268 | constructor.prototype = new superClass(); |
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| 269 | constructor.prototype.constructor = constructor; // rev. 0.7 |
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| 270 | // -- extend prototype with Class instance methods |
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| 271 | constructor.prototype.extend( Class.prototype ); |
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| 272 | // -- override prototype with interface methods |
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| 273 | for( var i = 1; i < arguments.length; i++ ) |
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| 274 | constructor.prototype.override( arguments[ i ] ); |
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| 275 | |
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| 276 | return constructor; |
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| 277 | } |
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| 278 | |
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| 279 | |
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| 280 | Class.extend( { |
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| 281 | initSingleton: function() { |
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| 282 | if( this.singleton ) |
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| 283 | return this.singleton; |
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| 284 | this.singleton = this.singletonConstructor |
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| 285 | ? new this.singletonConstructor() |
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| 286 | : new this(); |
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| 287 | this.singleton.init.apply( this.singleton, arguments ); |
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| 288 | return this.singleton; |
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| 289 | } |
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| 290 | } ); |
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| 291 | |
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| 292 | |
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| 293 | Class.prototype = { |
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| 294 | destroy: function() { |
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| 295 | try { |
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| 296 | if( this.indirectIndex ) |
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| 297 | indirectObjects[ this.indirectIndex ] = undefined; |
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| 298 | delete this.indirectIndex; |
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| 299 | } catch( e ) {} |
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| 300 | |
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| 301 | for( var property in this ) { |
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| 302 | try { |
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| 303 | if( this.hasOwnProperty( property ) ) |
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| 304 | delete this[ property ]; |
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| 305 | } catch( e ) {} |
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| 306 | } |
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| 307 | }, |
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| 308 | |
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| 309 | |
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| 310 | getBoundMethod: function( methodName ) { |
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| 311 | return this[ name ].bind( this ); |
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| 312 | }, |
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| 313 | |
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| 314 | |
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| 315 | getEventListener: function( methodName ) { |
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| 316 | return this[ methodName ].bindEventListener( this ); |
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| 317 | }, |
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| 318 | |
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| 319 | |
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| 320 | getIndirectIndex: function() { |
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| 321 | if( !defined( this.indirectIndex ) ) { |
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| 322 | this.indirectIndex = indirectObjects.length; |
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| 323 | indirectObjects.push( this ); |
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| 324 | } |
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| 325 | return this.indirectIndex; |
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| 326 | }, |
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| 327 | |
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| 328 | |
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| 329 | getIndirectMethod: function( methodName ) { |
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| 330 | if( !this.indirectMethods ) |
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| 331 | this.indirectMethods = {}; |
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| 332 | var method = this[ methodName ]; |
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| 333 | if( typeof method != "function" ) |
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| 334 | return undefined; |
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| 335 | var indirectIndex = this.getIndirectIndex(); |
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| 336 | if( !this.indirectMethods[ methodName ] ) { |
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| 337 | this.indirectMethods[ methodName ] = new Function( |
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| 338 | "var o = indirectObjects[" + indirectIndex + "];" + |
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| 339 | "return o." + methodName + ".apply( o, arguments );" |
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| 340 | ); |
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| 341 | } |
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| 342 | return this.indirectMethods[ methodName ]; |
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| 343 | }, |
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| 344 | |
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| 345 | |
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| 346 | getIndirectEventListener: function( methodName ) { |
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| 347 | if( !this.indirectEventListeners ) |
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| 348 | this.indirectEventListeners = {}; |
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| 349 | var method = this[ methodName ]; |
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| 350 | if( typeof method != "function" ) |
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| 351 | return undefined; |
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| 352 | var indirectIndex = this.getIndirectIndex(); |
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| 353 | if( !this.indirectEventListeners[ methodName ] ) { |
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| 354 | this.indirectEventListeners[ methodName ] = new Function( "event", |
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| 355 | "try { event = Event.prep( event ); } catch( e ) {}" + |
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| 356 | "var o = indirectObjects[" + indirectIndex + "];" + |
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| 357 | "return o." + methodName + ".call( o, event );" |
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| 358 | ); |
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| 359 | } |
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| 360 | return this.indirectEventListeners[ methodName ]; |
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| 361 | } |
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| 362 | } |
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| 363 | |
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| 364 | |
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| 365 | /* string extensions */ |
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| 366 | |
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| 367 | String.extend( { |
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| 368 | escapeJSChar: function( c ) { |
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| 369 | // try simple escaping |
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| 370 | switch( c ) { |
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| 371 | case "\\": return "\\\\"; |
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| 372 | case "\"": return "\\\""; |
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| 373 | case "'": return "\\'"; |
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| 374 | case "\b": return "\\b"; |
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| 375 | case "\f": return "\\f"; |
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| 376 | case "\n": return "\\n"; |
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| 377 | case "\r": return "\\r"; |
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| 378 | case "\t": return "\\t"; |
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| 379 | } |
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| 380 | |
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| 381 | // return raw bytes now ... should be UTF-8 |
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| 382 | if( c >= " " ) |
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| 383 | return c; |
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| 384 | |
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| 385 | // try \uXXXX escaping, but shouldn't make it for case 1, 2 |
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| 386 | c = c.charCodeAt( 0 ).toString( 16 ); |
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| 387 | switch( c.length ) { |
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| 388 | case 1: return "\\u000" + c; |
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| 389 | case 2: return "\\u00" + c; |
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| 390 | case 3: return "\\u0" + c; |
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| 391 | case 4: return "\\u" + c; |
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| 392 | } |
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| 393 | |
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| 394 | // should never make it here |
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| 395 | return ""; |
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| 396 | }, |
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| 397 | |
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| 398 | |
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| 399 | encodeEntity: function( c ) { |
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| 400 | switch( c ) { |
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| 401 | case "<": return "<"; |
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| 402 | case ">": return ">"; |
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| 403 | case "&": return "&"; |
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| 404 | case '"': return """; |
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| 405 | case "'": return "'"; |
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| 406 | } |
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| 407 | return c; |
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| 408 | }, |
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| 409 | |
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| 410 | |
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| 411 | decodeEntity: function( c ) { |
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| 412 | switch( c ) { |
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| 413 | case "amp": return "&"; |
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| 414 | case "quot": return '"'; |
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| 415 | case "gt": return ">"; |
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| 416 | case "lt": return "<"; |
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| 417 | } |
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| 418 | var m = c.match( /^#(\d+)$/ ); |
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| 419 | if( m && defined( m[ 1 ] ) ) |
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| 420 | return String.fromCharCode( m[ 1 ] ); |
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| 421 | m = c.match( /^#x([0-9a-f]+)$/i ); |
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| 422 | if( m && defined( m[ 1 ] ) ) |
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| 423 | return String.fromCharCode( parseInt( hex, m[ 1 ] ) ); |
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| 424 | return c; |
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| 425 | } |
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| 426 | } ); |
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| 427 | |
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| 428 | |
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| 429 | String.prototype.extend( { |
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| 430 | escapeJS: function() { |
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| 431 | return this.replace( /([^ -!#-\[\]-~])/g, function( m, c ) { return String.escapeJSChar( c ); } ) |
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| 432 | }, |
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| 433 | |
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| 434 | |
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| 435 | escapeJS2: function() { |
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| 436 | return this.replace( /([\u0000-\u0031'"\\])/g, function( m, c ) { return String.escapeJSChar( c ); } ) |
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| 437 | }, |
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| 438 | |
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| 439 | |
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| 440 | escapeJS3: function() { |
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| 441 | return this.replace( /[\u0000-\u0031'"\\]/g, function( m ) { return String.escapeJSChar( m ); } ) |
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| 442 | }, |
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| 443 | |
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| 444 | |
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| 445 | escapeJS4: function() { |
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| 446 | return this.replace( /./g, function( m ) { return String.escapeJSChar( m ); } ) |
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| 447 | }, |
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| 448 | |
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| 449 | |
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| 450 | encodeHTML: function() { |
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| 451 | return this.replace( /([<>&"])/g, function( m, c ) { return String.encodeEntity( c ) } ); |
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| 452 | }, |
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| 453 | |
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| 454 | |
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| 455 | decodeHTML: function() { |
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| 456 | return this.replace( /&(.*?);/g, function( m, c ) { return String.decodeEntity( c ) } ); |
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| 457 | }, |
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| 458 | |
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| 459 | |
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| 460 | cssToJS: function() { |
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| 461 | return this.replace( /-([a-z])/g, function( m, c ) { return c.toUpperCase() } ); |
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| 462 | }, |
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| 463 | |
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| 464 | |
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| 465 | jsToCSS: function() { |
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| 466 | return this.replace( /([A-Z])/g, function( m, c ) { return "-" + c.toLowerCase() } ); |
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| 467 | }, |
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| 468 | |
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| 469 | |
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| 470 | firstToLowerCase: function() { |
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| 471 | return this.replace( /^(.)/, function( m, c ) { return c.toLowerCase() } ); |
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| 472 | }, |
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| 473 | |
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| 474 | |
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| 475 | rgbToHex: function() { |
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| 476 | var c = this.match( /(\d+)\D+(\d+)\D+(\d+)/ ); |
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| 477 | if( !c ) |
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| 478 | return undefined; |
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| 479 | return "#" + |
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| 480 | finiteInt( c[ 1 ] ).toString( 16 ).pad( 2, "0" ) + |
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| 481 | finiteInt( c[ 2 ] ).toString( 16 ).pad( 2, "0" ) + |
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| 482 | finiteInt( c[ 3 ] ).toString( 16 ).pad( 2, "0" ); |
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| 483 | }, |
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| 484 | |
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| 485 | |
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| 486 | pad: function( length, padChar ) { |
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| 487 | var padding = length - this.length; |
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| 488 | if( padding <= 0 ) |
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| 489 | return this; |
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| 490 | if( !defined( padChar ) ) |
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| 491 | padChar = " "; |
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| 492 | var out = []; |
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| 493 | for( var i = 0; i < padding; i++ ) |
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| 494 | out.push( padChar ); |
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| 495 | out.push( this ); |
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| 496 | return out.join( "" ); |
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| 497 | }, |
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| 498 | |
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| 499 | |
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| 500 | trim: function() { |
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| 501 | return this.replace( /^\s+|\s+$/g, "" ); |
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| 502 | } |
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| 503 | |
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| 504 | } ); |
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| 505 | |
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| 506 | |
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| 507 | /* extend array object */ |
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| 508 | |
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| 509 | Array.extend( { |
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| 510 | fromPseudo: function ( args ) { |
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| 511 | var out = []; |
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| 512 | for ( var i = 0; i < args.length; i++ ) |
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| 513 | out.push( args[ i ] ); |
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| 514 | return out; |
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| 515 | } |
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| 516 | }); |
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| 517 | |
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| 518 | |
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| 519 | /* extend array object */ |
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| 520 | |
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| 521 | Array.prototype.extend( { |
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| 522 | copy: function() { |
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| 523 | var out = []; |
|---|
| 524 | for( var i = 0; i < this.length; i++ ) |
|---|
| 525 | out[ i ] = this[ i ]; |
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| 526 | return out; |
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| 527 | }, |
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| 528 | |
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| 529 | |
|---|
| 530 | first: function( callback, object ) { |
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| 531 | var length = this.length; |
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| 532 | for( var i = 0; i < length; i++ ) { |
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| 533 | var result = object |
|---|
| 534 | ? callback.call( object, this[ i ], i, this ) |
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| 535 | : callback( this[ i ], i, this ); |
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| 536 | if( result ) |
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| 537 | return this[ i ]; |
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| 538 | } |
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| 539 | return null; |
|---|
| 540 | }, |
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| 541 | |
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| 542 | |
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| 543 | fitIndex: function( fromIndex, defaultIndex ) { |
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| 544 | if( !defined( fromIndex ) || fromIndex == null ) |
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| 545 | fromIndex = defaultIndex; |
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| 546 | else if( fromIndex < 0 ) { |
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| 547 | fromIndex = this.length + fromIndex; |
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| 548 | if( fromIndex < 0 ) |
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| 549 | fromIndex = 0; |
|---|
| 550 | } else if( fromIndex >= this.length ) |
|---|
| 551 | fromIndex = this.length - 1; |
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| 552 | return fromIndex; |
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| 553 | }, |
|---|
| 554 | |
|---|
| 555 | |
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| 556 | scramble: function() { |
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| 557 | for( var i = 0; i < this.length; i++ ) { |
|---|
| 558 | var j = Math.floor( Math.random() * this.length ); |
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| 559 | var temp = this[ i ]; |
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| 560 | this[ i ] = this[ j ]; |
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| 561 | this[ j ] = temp; |
|---|
| 562 | } |
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| 563 | }, |
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| 564 | |
|---|
| 565 | |
|---|
| 566 | add: function() { |
|---|
| 567 | var a = arguments; |
|---|
| 568 | for( var i = 0; i < a.length; i++ ) { |
|---|
| 569 | var index = this.indexOf( a[ i ] ); |
|---|
| 570 | if( index < 0 ) |
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| 571 | this.push( arguments[ i ] ); |
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| 572 | } |
|---|
| 573 | return this.length; |
|---|
| 574 | }, |
|---|
| 575 | |
|---|
| 576 | |
|---|
| 577 | remove: function() { |
|---|
| 578 | var a = arguments; |
|---|
| 579 | for( var i = 0; i < a.length; i++ ) { |
|---|
| 580 | var j = this.indexOf( a[ i ] ); |
|---|
| 581 | if( j >= 0 ) |
|---|
| 582 | this.splice( j, 1 ); |
|---|
| 583 | } |
|---|
| 584 | return this.length; |
|---|
| 585 | }, |
|---|
| 586 | |
|---|
| 587 | |
|---|
| 588 | /* javascript 1.5 array methods */ |
|---|
| 589 | /* http://developer-test.mozilla.org/en/docs/Core_JavaScript_1.5_Reference:Objects:Array#Methods */ |
|---|
| 590 | |
|---|
| 591 | every: function( callback, object ) { |
|---|
| 592 | var length = this.length; |
|---|
| 593 | for( var i = 0; i < length; i++ ) { |
|---|
| 594 | var result = object |
|---|
| 595 | ? callback.call( object, this[ i ], i, this ) |
|---|
| 596 | : callback( this[ i ], i, this ); |
|---|
| 597 | if( !result ) |
|---|
| 598 | return false; |
|---|
| 599 | } |
|---|
| 600 | return true; |
|---|
| 601 | }, |
|---|
| 602 | |
|---|
| 603 | |
|---|
| 604 | filter: function( callback, object ) { |
|---|
| 605 | var out = []; |
|---|
| 606 | var length = this.length; |
|---|
| 607 | for( var i = 0; i < length; i++ ) { |
|---|
| 608 | var result = object |
|---|
| 609 | ? callback.call( object, this[ i ], i, this ) |
|---|
| 610 | : callback( this[ i ], i, this ); |
|---|
| 611 | if( result ) |
|---|
| 612 | out.push( this[ i ] ); |
|---|
| 613 | } |
|---|
| 614 | return out; |
|---|
| 615 | }, |
|---|
| 616 | |
|---|
| 617 | |
|---|
| 618 | forEach: function( callback, object ) { |
|---|
| 619 | var length = this.length; |
|---|
| 620 | for( var i = 0; i < length; i++ ) { |
|---|
| 621 | object |
|---|
| 622 | ? callback.call( object, this[ i ], i, this ) |
|---|
| 623 | : callback( this[ i ], i, this ); |
|---|
| 624 | } |
|---|
| 625 | }, |
|---|
| 626 | |
|---|
| 627 | |
|---|
| 628 | indexOf: function( value, fromIndex ) { |
|---|
| 629 | fromIndex = this.fitIndex( fromIndex, 0 ); |
|---|
| 630 | for( var i = 0; i < this.length; i++ ) { |
|---|
| 631 | if( this[ i ] === value ) |
|---|
| 632 | return i; |
|---|
| 633 | } |
|---|
| 634 | return -1; |
|---|
| 635 | }, |
|---|
| 636 | |
|---|
| 637 | |
|---|
| 638 | lastIndexOf: function( value, fromIndex ) { |
|---|
| 639 | fromIndex = this.fitIndex( fromIndex, this.length - 1 ); |
|---|
| 640 | for( var i = fromIndex; i >= 0; i-- ) { |
|---|
| 641 | if( this[ i ] == value ) |
|---|
| 642 | return i; |
|---|
| 643 | } |
|---|
| 644 | return -1; |
|---|
| 645 | }, |
|---|
| 646 | |
|---|
| 647 | |
|---|
| 648 | some: function( callback, object ) { |
|---|
| 649 | var length = this.length; |
|---|
| 650 | for( var i = 0; i < length; i++ ) { |
|---|
| 651 | var result = object |
|---|
| 652 | ? callback.call( object, this[ i ], i, this ) |
|---|
| 653 | : callback( this[ i ], i, this ); |
|---|
| 654 | if( result ) |
|---|
| 655 | return true; |
|---|
| 656 | } |
|---|
| 657 | return false; |
|---|
| 658 | }, |
|---|
| 659 | |
|---|
| 660 | |
|---|
| 661 | /* javascript 1.2 array methods */ |
|---|
| 662 | |
|---|
| 663 | concat: function() { |
|---|
| 664 | var a = arguments; |
|---|
| 665 | var out = this.copy(); |
|---|
| 666 | for( i = 0; i < a.length; i++ ) { |
|---|
| 667 | var b = a[ i ]; |
|---|
| 668 | for( j = 0; j < b.length; j++ ) |
|---|
| 669 | out.push( b[ j ] ); |
|---|
| 670 | } |
|---|
| 671 | return out; |
|---|
| 672 | }, |
|---|
| 673 | |
|---|
| 674 | |
|---|
| 675 | push: function() { |
|---|
| 676 | var a = arguments; |
|---|
| 677 | for( var i = 0; i < a.length; i++ ) |
|---|
| 678 | this[ this.length ] = a[ i ]; |
|---|
| 679 | return this.length; |
|---|
| 680 | }, |
|---|
| 681 | |
|---|
| 682 | |
|---|
| 683 | pop: function() { |
|---|
| 684 | if( this.length == 0 ) |
|---|
| 685 | return undefined; |
|---|
| 686 | var out = this[ this.length - 1 ]; |
|---|
| 687 | this.length--; |
|---|
| 688 | return out; |
|---|
| 689 | }, |
|---|
| 690 | |
|---|
| 691 | |
|---|
| 692 | unshift: function() { |
|---|
| 693 | var a = arguments; |
|---|
| 694 | for( var i = 0; i < a.length; i++ ) { |
|---|
| 695 | this[ i + a.length ] = this[ i ]; |
|---|
| 696 | this[ i ] = a[ i ]; |
|---|
| 697 | } |
|---|
| 698 | return this.length; |
|---|
| 699 | }, |
|---|
| 700 | |
|---|
| 701 | |
|---|
| 702 | shift: function() { |
|---|
| 703 | if( this.length == 0 ) |
|---|
| 704 | return undefined; |
|---|
| 705 | var out = this[ 0 ]; |
|---|
| 706 | for( var i = 1; i < this.length; i++ ) |
|---|
| 707 | this[ i - 1 ] = this[ i ]; |
|---|
| 708 | this.length--; |
|---|
| 709 | return out; |
|---|
| 710 | } |
|---|
| 711 | } ); |
|---|
| 712 | |
|---|
| 713 | |
|---|
| 714 | /* date extensions */ |
|---|
| 715 | |
|---|
| 716 | Date.extend( { |
|---|
| 717 | /* iso 8601 date format parser |
|---|
| 718 | this was fun to write... |
|---|
| 719 | thanks to: http://www.cl.cam.ac.uk/~mgk25/iso-time.html */ |
|---|
| 720 | |
|---|
| 721 | matchISOString: new RegExp( |
|---|
| 722 | "^([0-9]{4})" + // year |
|---|
| 723 | "(?:-(?=0[1-9]|1[0-2])|$)(..)?" + // month |
|---|
| 724 | "(?:-(?=0[1-9]|[12][0-9]|3[01])|$)([0-9]{2})?" + // day of the month |
|---|
| 725 | "(?:T(?=[01][0-9]|2[0-4])|$)T?([0-9]{2})?" + // hours |
|---|
| 726 | "(?::(?=[0-5][0-9])|\\+|-|Z|$)([0-9]{2})?" + // minutes |
|---|
| 727 | "(?::(?=[0-5][0-9]|60$|60[+|-|Z]|60.0+)|\\+|-|Z|$):?([0-9]{2})?" + // seconds |
|---|
| 728 | "(\.[0-9]+)?" + // fractional seconds |
|---|
| 729 | "(Z|\\+[01][0-9]|\\+2[0-4]|-[01][0-9]|-2[0-4])?" + // timezone hours |
|---|
| 730 | ":?([0-5][0-9]|60)?$" // timezone minutes |
|---|
| 731 | ), |
|---|
| 732 | |
|---|
| 733 | |
|---|
| 734 | fromISOString: function( string ) { |
|---|
| 735 | var t = this.matchISOString.exec( string ); |
|---|
| 736 | if( !t ) |
|---|
| 737 | return undefined; |
|---|
| 738 | |
|---|
| 739 | var year = finiteInt( t[ 1 ], 10 ); |
|---|
| 740 | var month = finiteInt( t[ 2 ], 10 ) - 1; |
|---|
| 741 | var day = finiteInt( t[ 3 ], 10 ); |
|---|
| 742 | var hours = finiteInt( t[ 4 ], 10 ); |
|---|
| 743 | var minutes = finiteInt( t[ 5 ], 10 ); |
|---|
| 744 | var seconds = finiteInt( t[ 6 ], 10 ); |
|---|
| 745 | var milliseconds = finiteInt( Math.round( parseFloat( t[ 7 ] ) * 1000 ) ); |
|---|
| 746 | var tzHours = finiteInt( t[ 8 ], 10 ); |
|---|
| 747 | var tzMinutes = finiteInt( t[ 9 ], 10 ); |
|---|
| 748 | |
|---|
| 749 | var date = new this( 0 ); |
|---|
| 750 | if( defined( t[ 8 ] ) ) { |
|---|
| 751 | date.setUTCFullYear( year, month, day ); |
|---|
| 752 | date.setUTCHours( hours, minutes, seconds, milliseconds ); |
|---|
| 753 | var offset = (tzHours * 60 + tzMinutes) * 60000; |
|---|
| 754 | if( offset ) |
|---|
| 755 | date = new this( date - offset ); |
|---|
| 756 | } else { |
|---|
| 757 | date.setFullYear( year, month, day ); |
|---|
| 758 | date.setHours( hours, minutes, seconds, milliseconds ); |
|---|
| 759 | } |
|---|
| 760 | |
|---|
| 761 | return date; |
|---|
| 762 | } |
|---|
| 763 | } ); |
|---|
| 764 | |
|---|
| 765 | |
|---|
| 766 | Date.prototype.extend( { |
|---|
| 767 | getISOTimezoneOffset: function() { |
|---|
| 768 | var offset = -this.getTimezoneOffset(); |
|---|
| 769 | var negative = false; |
|---|
| 770 | if( offset < 0 ) { |
|---|
| 771 | negative = true; |
|---|
| 772 | offset *= -1; |
|---|
| 773 | } |
|---|
| 774 | var offsetHours = Math.floor( offset / 60 ).toString().pad( 2, "0" ); |
|---|
| 775 | var offsetMinutes = Math.floor( offset % 60 ).toString().pad( 2, "0" ); |
|---|
| 776 | return (negative ? "-" : "+") + offsetHours + ":" + offsetMinutes; |
|---|
| 777 | }, |
|---|
| 778 | |
|---|
| 779 | |
|---|
| 780 | toISODateString: function() { |
|---|
| 781 | var year = this.getFullYear(); |
|---|
| 782 | var month = (this.getMonth() + 1).toString().pad( 2, "0" ); |
|---|
| 783 | var day = this.getDate().toString().pad( 2, "0" ); |
|---|
| 784 | return year + "-" + month + "-" + day; |
|---|
| 785 | }, |
|---|
| 786 | |
|---|
| 787 | |
|---|
| 788 | toUTCISODateString: function() { |
|---|
| 789 | var year = this.getUTCFullYear(); |
|---|
| 790 | var month = (this.getUTCMonth() + 1).toString().pad( 2, "0" ); |
|---|
| 791 | var day = this.getUTCDate().toString().pad( 2, "0" ); |
|---|
| 792 | return year + "-" + month + "-" + day; |
|---|
| 793 | }, |
|---|
| 794 | |
|---|
| 795 | |
|---|
| 796 | toISOTimeString: function() { |
|---|
| 797 | var hours = this.getHours().toString().pad( 2, "0" ); |
|---|
| 798 | var minutes = this.getMinutes().toString().pad( 2, "0" ); |
|---|
| 799 | var seconds = this.getSeconds().toString().pad( 2, "0" ); |
|---|
| 800 | var milliseconds = this.getMilliseconds().toString().pad( 3, "0" ); |
|---|
| 801 | var timezone = this.getISOTimezoneOffset(); |
|---|
| 802 | return hours + ":" + minutes + ":" + seconds + "." + milliseconds + timezone; |
|---|
| 803 | }, |
|---|
| 804 | |
|---|
| 805 | |
|---|
| 806 | toUTCISOTimeString: function() { |
|---|
| 807 | var hours = this.getUTCHours().toString().pad( 2, "0" ); |
|---|
| 808 | var minutes = this.getUTCMinutes().toString().pad( 2, "0" ); |
|---|
| 809 | var seconds = this.getUTCSeconds().toString().pad( 2, "0" ); |
|---|
| 810 | var milliseconds = this.getUTCMilliseconds().toString().pad( 3, "0" ); |
|---|
| 811 | return hours + ":" + minutes + ":" + seconds + "." + milliseconds + "Z"; |
|---|
| 812 | }, |
|---|
| 813 | |
|---|
| 814 | |
|---|
| 815 | toISOString: function() { |
|---|
| 816 | return this.toISODateString() + "T" + this.toISOTimeString(); |
|---|
| 817 | }, |
|---|
| 818 | |
|---|
| 819 | |
|---|
| 820 | toUTCISOString: function() { |
|---|
| 821 | return this.toUTCISODateString() + "T" + this.toUTCISOTimeString(); |
|---|
| 822 | } |
|---|
| 823 | } ); |
|---|
| 824 | |
|---|
| 825 | |
|---|
| 826 | /* ajax */ |
|---|
| 827 | |
|---|
| 828 | if( !defined( window.XMLHttpRequest ) ) { |
|---|
| 829 | window.XMLHttpRequest = function() { |
|---|
| 830 | var types = [ |
|---|
| 831 | "Microsoft.XMLHTTP", |
|---|
| 832 | "MSXML2.XMLHTTP.5.0", |
|---|
| 833 | "MSXML2.XMLHTTP.4.0", |
|---|
| 834 | "MSXML2.XMLHTTP.3.0", |
|---|
| 835 | "MSXML2.XMLHTTP" |
|---|
| 836 | ]; |
|---|
| 837 | |
|---|
| 838 | for( var i = 0; i < types.length; i++ ) { |
|---|
| 839 | try { |
|---|
| 840 | return new ActiveXObject( types[ i ] ); |
|---|
| 841 | } catch( e ) {} |
|---|
| 842 | } |
|---|
| 843 | |
|---|
| 844 | return undefined; |
|---|
| 845 | } |
|---|
| 846 | } |
|---|