[903] | 1 | /* |
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| 2 | * Move the selected items from selectbox "from" to "to", |
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| 3 | * where "from" and "to" are the selectbox names. |
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| 4 | */ |
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| 5 | function moveOptions(from, to) { |
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| 6 | fromList = eval('document.forms[0].' + from); |
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| 7 | toList = eval('document.forms[0].' + to); |
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| 8 | var sel = false; |
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| 9 | |
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| 10 | // walk through "from" list searching the selected items, |
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| 11 | // copy them to "to" and remove from "from" |
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| 12 | for (i = fromList.options.length - 1; i >= 0; i--) |
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| 13 | { |
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| 14 | var current = fromList.options[i]; |
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| 15 | if (current.selected) |
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| 16 | { |
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| 17 | sel = true; |
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| 18 | txt = current.text; |
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| 19 | val = current.value; |
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| 20 | toList.options[toList.length] = new Option(txt,val); |
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| 21 | fromList.options[i] = null; |
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| 22 | } |
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| 23 | } |
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| 24 | |
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| 25 | if (!sel) |
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| 26 | alert ("Selecione um item!"); |
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| 27 | |
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| 28 | // sort selectbox "to" |
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| 29 | sortOptions(to); |
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| 30 | } |
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| 31 | |
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| 32 | /* |
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| 33 | * Populate selectbox with the array elements |
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| 34 | */ |
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| 35 | function populateSelect(objName, array) { |
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| 36 | obj = eval('document.forms[0].' + objName); |
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| 37 | obj.length = 0; |
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| 38 | |
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| 39 | // walk through array and add elements to the selectbox |
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| 40 | for (i = 0; i < array.length; i++) { |
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| 41 | if( isArray(array[i]) ) { |
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| 42 | obj.options[obj.length] = new Option(array[i].text, array[i].value); |
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| 43 | } |
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| 44 | } |
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| 45 | } |
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| 46 | |
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| 47 | /* |
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| 48 | * Populate the selectboxes. |
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| 49 | * @param objNameL Left selectbox name |
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| 50 | * @param arrayL Array with the elements of the left selectbox |
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| 51 | * @param sortL Boolean value to sort the left selectbox |
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| 52 | * @param objNameR Right selectbox name |
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| 53 | * @param arrayR Array with the elements of the right selectbox |
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| 54 | * @param sortR Boolean value to sort the right selectbox |
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| 55 | * @param execDiff This value indicates the direction of the diff |
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| 56 | * Values: LEFT - remove the left elements found in the right selectbox |
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| 57 | * RIGHT - remove the right elements found in the left selectbox |
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| 58 | * NONE - don't execute diff |
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| 59 | */ |
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| 60 | function populateSelects(objNameL, arrayL, sortL, |
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| 61 | objNameR, arrayR, sortR, |
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| 62 | execDiff) { |
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| 63 | if( isArray(arrayL) ) |
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| 64 | populateSelect(objNameL, arrayL); |
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| 65 | |
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| 66 | if( isArray(arrayR) ) |
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| 67 | populateSelect(objNameR, arrayR); |
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| 68 | |
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| 69 | if( sortL ) |
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| 70 | sortOptions(objNameL); |
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| 71 | |
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| 72 | if( sortR ) |
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| 73 | sortOptions(objNameR); |
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| 74 | |
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| 75 | switch(execDiff) { |
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| 76 | case "LEFT": |
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| 77 | selectDiff( objNameR, objNameL ); |
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| 78 | break; |
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| 79 | case "RIGHT": |
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| 80 | selectDiff( objNameL, objNameR ); |
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| 81 | break; |
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| 82 | default: |
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| 83 | break; |
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| 84 | } |
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| 85 | } |
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| 86 | |
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| 87 | /* |
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| 88 | * Select all items in a selectbox. |
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| 89 | */ |
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| 90 | function selectAllOptions( objName ) { |
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| 91 | obj = eval('document.forms[0].' + objName); |
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| 92 | |
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| 93 | for(i = 0; i < obj.length; i++) { |
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| 94 | obj.options[i].selected = true; |
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| 95 | } |
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| 96 | } |
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| 97 | |
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| 98 | /* |
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| 99 | * Check if the parameter is an array. |
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| 100 | * Return true if it's an array, and false, if it's not. |
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| 101 | */ |
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| 102 | function isArray( obj ) { |
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| 103 | if (typeof obj == 'object') { |
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| 104 | var criterion = obj.constructor.toString().match(/array/i); |
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| 105 | return (criterion != null); |
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| 106 | } |
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| 107 | return false; |
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| 108 | } |
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| 109 | |
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| 110 | /* |
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| 111 | * Get the values of a selectbox and return them in an array. |
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| 112 | */ |
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| 113 | function select2array(objName) { |
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| 114 | obj = eval('document.forms[0].' + objName); |
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| 115 | |
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| 116 | if(obj){ |
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| 117 | array = new Array(); |
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| 118 | |
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| 119 | for(i = 0; i < obj.length; i++) { |
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| 120 | array[i] = new Array(2); |
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| 121 | array[i].text = obj.options[i].text; |
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| 122 | array[i].value = obj.options[i].value; |
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| 123 | } |
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| 124 | |
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| 125 | return array; |
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| 126 | } |
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| 127 | return null; |
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| 128 | } |
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| 129 | |
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| 130 | /* |
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| 131 | * Copy the values of an array to a selectbox. |
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| 132 | */ |
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| 133 | function array2select(array, objName) |
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| 134 | { |
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| 135 | obj = eval('document.forms[0].' + objName); |
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| 136 | |
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| 137 | /* remove all elements from the selectbox */ |
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| 138 | for (i = obj.length - 1; i >= 0; i--) |
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| 139 | obj.options[i] = null; |
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| 140 | |
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| 141 | if (isArray(array)) |
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| 142 | for (i = 0; i < array.length; i++) |
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| 143 | obj.options[i] = new Option(array[i].text,array[i].value); |
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| 144 | } |
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| 145 | |
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| 146 | /* |
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| 147 | * Redefine the javascript sort function. |
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| 148 | * We need to compare the attributes a.text and b.text. |
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| 149 | */ |
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| 150 | function sortFunction(a, b) { |
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| 151 | if(a.text > b.text) |
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| 152 | return 1; |
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| 153 | if(a.text < b.text) |
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| 154 | return -1; |
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| 155 | return 0; |
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| 156 | } |
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| 157 | |
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| 158 | /* |
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| 159 | * Sort the elements of a selectbox. |
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| 160 | */ |
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| 161 | function sortOptions(objName) { |
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| 162 | arrTexts = select2array(objName); |
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| 163 | arrTexts.sort(sortFunction); |
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| 164 | array2select(arrTexts, objName); |
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| 165 | } |
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| 166 | |
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| 167 | /* |
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| 168 | * Remove the accents of a string. |
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| 169 | */ |
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| 170 | function removeAccents( text ){ |
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| 171 | var accents = "áàãââÁÀÃÂéêÉÊíÍóõôÓÔÕúüÚÜçÇ"; |
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| 172 | var traduction = "aaaaaAAAAeeEEiIoooOOOuuUUcC"; |
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| 173 | var pos, chr; |
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| 174 | var newTxt = ""; |
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| 175 | |
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| 176 | for (var i = 0; i < text.length; i++){ |
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| 177 | chr = text.charAt(i); |
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| 178 | pos = accents.indexOf(chr); |
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| 179 | if (pos > -1) |
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| 180 | newTxt += traduction.charAt(pos); |
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| 181 | else |
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| 182 | newTxt += text.charAt(i); |
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| 183 | } |
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| 184 | return newTxt; |
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| 185 | } |
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| 186 | |
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| 187 | function search(array, key) { |
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| 188 | for (i = 0; i < array.length; i++){ |
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| 189 | if (key == array[i].text) |
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| 190 | return i; |
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| 191 | } |
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| 192 | return -1; |
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| 193 | |
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| 194 | } |
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| 195 | |
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| 196 | /* |
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| 197 | * Binary search in a SORTED ARRAY. |
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| 198 | * Returns the element position, or -1. |
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| 199 | */ |
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| 200 | function binarySearch(array, key) { |
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| 201 | var i, lo, hi; |
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| 202 | |
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| 203 | // get the first and the last positions of the array, |
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| 204 | lo = 0; |
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| 205 | hi = array.length - 1; |
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| 206 | |
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| 207 | while( lo <= hi ) { |
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| 208 | // get the middle value |
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| 209 | var mid = Math.floor((lo + hi) / 2); |
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| 210 | |
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| 211 | // if the key is in the 'mid' position, return 'mid' |
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| 212 | if( key == array[mid].text ) |
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| 213 | return mid; |
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| 214 | // if key > 'mid' text, |
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| 215 | else if( key > array[mid].text) |
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| 216 | lo = mid + 1; |
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| 217 | // key < array[mid] |
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| 218 | else |
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| 219 | hi = mid - 1; |
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| 220 | } |
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| 221 | return -1; |
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| 222 | } |
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| 223 | |
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| 224 | /* |
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| 225 | * Difference between two selectboxes. Remove the elements of the objName2 |
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| 226 | * that are found in objName1. |
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| 227 | */ |
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| 228 | function selectDiff(objName1, objName2) { |
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| 229 | array1 = select2array(objName1); |
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| 230 | |
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| 231 | obj2 = eval('document.forms[0].' + objName2); |
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| 232 | |
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| 233 | for( var i = array1.length - 1; i >= 0; i-- ) { |
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| 234 | array2 = select2array(objName2); |
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| 235 | j = search(array2, array1[i].text); |
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| 236 | if( j != -1 ) |
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| 237 | obj2.options[j] = null; |
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| 238 | } |
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| 239 | } |
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