1 /** |
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2 * plugin.js |
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3 * |
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4 * Copyright, Moxiecode Systems AB |
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5 * Released under LGPL License. |
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6 * |
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7 * License: http://www.tinymce.com/license |
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8 * Contributing: http://www.tinymce.com/contributing |
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9 */ |
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10 |
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11 /*global tinymce:true */ |
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12 |
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13 tinymce.PluginManager.add('tabfocus', function(editor) { |
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14 var DOM = tinymce.DOM, each = tinymce.each, explode = tinymce.explode; |
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15 |
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16 function tabCancel(e) { |
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17 if (e.keyCode === 9 && !e.ctrlKey && !e.altKey && !e.metaKey) { |
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18 e.preventDefault(); |
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19 } |
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20 } |
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21 |
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22 function tabHandler(e) { |
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23 var x, el, v, i; |
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24 |
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25 if (e.keyCode !== 9 || e.ctrlKey || e.altKey || e.metaKey || e.isDefaultPrevented()) { |
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26 return; |
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27 } |
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28 |
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29 function find(direction) { |
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30 el = DOM.select(':input:enabled,*[tabindex]:not(iframe)'); |
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31 |
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32 function canSelectRecursive(e) { |
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33 return e.nodeName === "BODY" || (e.type != 'hidden' && |
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34 e.style.display != "none" && |
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35 e.style.visibility != "hidden" && canSelectRecursive(e.parentNode)); |
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36 } |
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37 |
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38 function canSelect(el) { |
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39 return /INPUT|TEXTAREA|BUTTON/.test(el.tagName) && tinymce.get(e.id) && el.tabIndex != -1 && canSelectRecursive(el); |
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40 } |
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41 |
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42 each(el, function(e, i) { |
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43 if (e.id == editor.id) { |
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44 x = i; |
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45 return false; |
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46 } |
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47 }); |
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48 if (direction > 0) { |
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49 for (i = x + 1; i < el.length; i++) { |
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50 if (canSelect(el[i])) { |
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51 return el[i]; |
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52 } |
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53 } |
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54 } else { |
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55 for (i = x - 1; i >= 0; i--) { |
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56 if (canSelect(el[i])) { |
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57 return el[i]; |
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58 } |
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59 } |
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60 } |
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61 |
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62 return null; |
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63 } |
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64 |
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65 v = explode(editor.getParam('tab_focus', editor.getParam('tabfocus_elements', ':prev,:next'))); |
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66 |
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67 if (v.length == 1) { |
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68 v[1] = v[0]; |
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69 v[0] = ':prev'; |
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70 } |
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71 |
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72 // Find element to focus |
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73 if (e.shiftKey) { |
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74 if (v[0] == ':prev') { |
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75 el = find(-1); |
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76 } else { |
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77 el = DOM.get(v[0]); |
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78 } |
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79 } else { |
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80 if (v[1] == ':next') { |
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81 el = find(1); |
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82 } else { |
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83 el = DOM.get(v[1]); |
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84 } |
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85 } |
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86 |
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87 if (el) { |
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88 var focusEditor = tinymce.get(el.id || el.name); |
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89 |
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90 if (el.id && focusEditor) { |
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91 focusEditor.focus(); |
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92 } else { |
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93 window.setTimeout(function() { |
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94 if (!tinymce.Env.webkit) { |
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95 window.focus(); |
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96 } |
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97 |
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98 el.focus(); |
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99 }, 10); |
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100 } |
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101 |
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102 e.preventDefault(); |
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103 } |
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104 } |
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105 |
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106 editor.on('init', function() { |
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107 if (editor.inline) { |
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108 // Remove default tabIndex in inline mode |
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109 tinymce.DOM.setAttrib(editor.getBody(), 'tabIndex', null); |
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110 } |
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111 |
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112 editor.on('keyup', tabCancel); |
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113 |
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114 if (tinymce.Env.gecko) { |
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115 editor.on('keypress keydown', tabHandler); |
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116 } else { |
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117 editor.on('keydown', tabHandler); |
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118 } |
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119 }); |
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120 }); |
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