1 | |
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2 | /** |
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3 | * @file |
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4 | * Contains the formToArray method and the method it depends on. Taken from |
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5 | * jQuery Form Plugin 2.12. (http://www.malsup.com/jquery/form/) |
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6 | */ |
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7 | |
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8 | (function ($) { |
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9 | |
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10 | /** |
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11 | * formToArray() gathers form element data into an array of objects that can |
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12 | * be passed to any of the following ajax functions: $.get, $.post, or load. |
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13 | * Each object in the array has both a 'name' and 'value' property. An example of |
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14 | * an array for a simple login form might be: |
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15 | * |
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16 | * [ { name: 'username', value: 'jresig' }, { name: 'password', value: 'secret' } ] |
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17 | * |
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18 | * It is this array that is passed to pre-submit callback functions provided to the |
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19 | * ajaxSubmit() and ajaxForm() methods. |
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20 | */ |
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21 | $.fn.formToArray = function(semantic) { |
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22 | var a = []; |
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23 | if (this.length == 0) return a; |
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24 | |
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25 | var form = this[0]; |
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26 | var els = semantic ? form.getElementsByTagName('*') : form.elements; |
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27 | if (!els) return a; |
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28 | for(var i=0, max=els.length; i < max; i++) { |
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29 | var el = els[i]; |
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30 | var n = el.name; |
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31 | if (!n) continue; |
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32 | |
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33 | if (semantic && form.clk && el.type == "image") { |
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34 | // handle image inputs on the fly when semantic == true |
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35 | if(!el.disabled && form.clk == el) |
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36 | a.push({name: n+'.x', value: form.clk_x}, {name: n+'.y', value: form.clk_y}); |
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37 | continue; |
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38 | } |
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39 | |
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40 | var v = $.fieldValue(el, true); |
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41 | if (v && v.constructor == Array) { |
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42 | for(var j=0, jmax=v.length; j < jmax; j++) |
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43 | a.push({name: n, value: v[j]}); |
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44 | } |
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45 | else if (v !== null && typeof v != 'undefined') |
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46 | a.push({name: n, value: v}); |
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47 | } |
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48 | |
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49 | if (!semantic && form.clk) { |
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50 | // input type=='image' are not found in elements array! handle them here |
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51 | var inputs = form.getElementsByTagName("input"); |
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52 | for(var i=0, max=inputs.length; i < max; i++) { |
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53 | var input = inputs[i]; |
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54 | var n = input.name; |
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55 | if(n && !input.disabled && input.type == "image" && form.clk == input) |
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56 | a.push({name: n+'.x', value: form.clk_x}, {name: n+'.y', value: form.clk_y}); |
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57 | } |
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58 | } |
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59 | return a; |
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60 | }; |
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61 | |
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62 | /** |
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63 | * Returns the value of the field element. |
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64 | */ |
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65 | $.fieldValue = function(el, successful) { |
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66 | var n = el.name, t = el.type, tag = el.tagName.toLowerCase(); |
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67 | if (typeof successful == 'undefined') successful = true; |
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68 | |
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69 | if (successful && (!n || el.disabled || t == 'reset' || t == 'button' || |
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70 | (t == 'checkbox' || t == 'radio') && !el.checked || |
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71 | (t == 'submit' || t == 'image') && el.form && el.form.clk != el || |
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72 | tag == 'select' && el.selectedIndex == -1)) |
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73 | return null; |
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74 | |
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75 | if (tag == 'select') { |
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76 | var index = el.selectedIndex; |
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77 | if (index < 0) return null; |
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78 | var a = [], ops = el.options; |
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79 | var one = (t == 'select-one'); |
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80 | var max = (one ? index+1 : ops.length); |
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81 | for(var i=(one ? index : 0); i < max; i++) { |
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82 | var op = ops[i]; |
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83 | if (op.selected) { |
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84 | // extra pain for IE... |
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85 | var v = $.browser.msie && !(op.attributes['value'].specified) ? op.text : op.value; |
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86 | if (one) return v; |
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87 | a.push(v); |
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88 | } |
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89 | } |
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90 | return a; |
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91 | } |
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92 | return el.value; |
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93 | }; |
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94 | |
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95 | })(jQuery); |
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