[795] | 1 | /** |
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| 2 | * Gets all fields that have the id starting with "_". |
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| 3 | * It's usefull when you have to validate fields with an ajax call, for example. |
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| 4 | * Returns an array of elements. |
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| 5 | */ |
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| 6 | function get_form_fields(form_id){ |
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| 7 | var elems = document.forms[form_id].elements; |
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[2138] | 8 | var arr = new Object(); |
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| 9 | var j = 0; |
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[795] | 10 | for(var i = 0; i < elems.length; i++){ |
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| 11 | if(elems[i].id.substr(0,1) == "_"){ |
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| 12 | // if the element is a radiobutton and is NOT checked, goes to the next element |
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| 13 | if(elems[i].type == "radio" && !elems[i].checked){ |
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| 14 | continue; |
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| 15 | } |
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| 16 | |
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| 17 | if(elems[i].type == "select-multiple"){ |
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| 18 | var selectBoxMultiple = elems[i]; |
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| 19 | var selectArr = new Array(); |
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| 20 | for(k = 0; k < elems[i].length; k++){ |
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| 21 | var option = selectBoxMultiple.options[k]; |
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| 22 | if(option.selected){ |
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| 23 | if(option.value != ''){ |
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| 24 | selectArr.push(option.value); |
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| 25 | } else { |
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| 26 | selectArr.push(option.innerHTML); |
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| 27 | } |
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| 28 | } |
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| 29 | } |
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| 30 | |
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| 31 | arr[elems[i].id] = selectArr; |
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| 32 | j++; |
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| 33 | continue; |
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| 34 | } |
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[2138] | 35 | |
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| 36 | // if the element has [] in the end of its name, return its values (or checked elements) like an array |
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| 37 | if(elems[i].name.substr(-2,2) == "[]"){ |
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| 38 | elem_name = elems[i].name.substr(0, elems[i].name.length - 2); |
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| 39 | if(arr[elem_name] == undefined){ |
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| 40 | arr[elem_name] = new Array(); |
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| 41 | } |
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| 42 | |
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| 43 | if(elems[i].type != "checkbox") |
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| 44 | arr[elem_name].push(elems[i].value); |
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| 45 | else if(elems[i].checked) |
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| 46 | arr[elem_name].push(elems[i].value); |
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| 47 | } |
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| 48 | |
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[795] | 49 | arr[elems[i].id] = elems[i].value; |
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| 50 | j++; |
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| 51 | } |
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| 52 | } |
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| 53 | return arr; |
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| 54 | } |
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