1 | /** |
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2 | * http://www.openjs.com/scripts/events/keyboard_shortcuts/ |
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3 | * Version : 2.01.A |
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4 | * By Binny V A |
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5 | * License : BSD |
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6 | */ |
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7 | shortcut = { |
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8 | 'all_shortcuts':{},//All the shortcuts are stored in this array |
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9 | 'add': function(shortcut_combination,callback,opt) { |
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10 | //Provide a set of default options |
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11 | var default_options = { |
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12 | 'type':'keydown', |
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13 | 'propagate':false, |
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14 | 'disable_in_input':false, |
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15 | 'target':document, |
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16 | 'keycode':false |
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17 | } |
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18 | if(!opt) opt = default_options; |
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19 | else { |
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20 | for(var dfo in default_options) { |
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21 | if(typeof opt[dfo] == 'undefined') opt[dfo] = default_options[dfo]; |
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22 | } |
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23 | } |
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24 | |
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25 | var ele = opt.target |
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26 | if(typeof opt.target == 'string') ele = document.getElementById(opt.target); |
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27 | var ths = this; |
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28 | shortcut_combination = shortcut_combination.toLowerCase(); |
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29 | |
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30 | //The function to be called at keypress |
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31 | var func = function(e) { |
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32 | e = e || window.event; |
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33 | |
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34 | if(opt['disable_in_input']) { //Don't enable shortcut keys in Input, Textarea fields |
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35 | var element; |
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36 | if(e.target) element=e.target; |
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37 | else if(e.srcElement) element=e.srcElement; |
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38 | if(element.nodeType==3) element=element.parentNode; |
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39 | |
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40 | if(element.tagName == 'INPUT' || element.tagName == 'TEXTAREA') return; |
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41 | } |
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42 | |
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43 | //Find Which key is pressed |
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44 | if (e.keyCode) code = e.keyCode; |
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45 | else if (e.which) code = e.which; |
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46 | var character = String.fromCharCode(code).toLowerCase(); |
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47 | |
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48 | if(code == 188) character=","; //If the user presses , when the type is onkeydown |
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49 | if(code == 190) character="."; //If the user presses , when the type is onkeydown |
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50 | |
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51 | var keys = shortcut_combination.split("+"); |
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52 | //Key Pressed - counts the number of valid keypresses - if it is same as the number of keys, the shortcut function is invoked |
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53 | var kp = 0; |
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54 | |
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55 | //Work around for stupid Shift key bug created by using lowercase - as a result the shift+num combination was broken |
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56 | var shift_nums = { |
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57 | "`":"~", |
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58 | "1":"!", |
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59 | "2":"@", |
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60 | "3":"#", |
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61 | "4":"$", |
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62 | "5":"%", |
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63 | "6":"^", |
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64 | "7":"&", |
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65 | "8":"*", |
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66 | "9":"(", |
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67 | "0":")", |
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68 | "-":"_", |
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69 | "=":"+", |
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70 | ";":":", |
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71 | "'":"\"", |
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72 | ",":"<", |
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73 | ".":">", |
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74 | "/":"?", |
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75 | "\\":"|" |
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76 | } |
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77 | //Special Keys - and their codes |
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78 | var special_keys = { |
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79 | 'esc':27, |
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80 | 'escape':27, |
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81 | 'tab':9, |
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82 | 'space':32, |
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83 | 'return':13, |
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84 | 'enter':13, |
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85 | 'backspace':8, |
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86 | |
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87 | 'scrolllock':145, |
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88 | 'scroll_lock':145, |
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89 | 'scroll':145, |
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90 | 'capslock':20, |
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91 | 'caps_lock':20, |
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92 | 'caps':20, |
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93 | 'numlock':144, |
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94 | 'num_lock':144, |
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95 | 'num':144, |
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96 | |
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97 | 'pause':19, |
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98 | 'break':19, |
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99 | |
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100 | 'insert':45, |
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101 | 'home':36, |
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102 | 'delete':46, |
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103 | 'end':35, |
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104 | |
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105 | 'pageup':33, |
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106 | 'page_up':33, |
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107 | 'pu':33, |
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108 | |
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109 | 'pagedown':34, |
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110 | 'page_down':34, |
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111 | 'pd':34, |
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112 | |
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113 | 'left':37, |
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114 | 'up':38, |
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115 | 'right':39, |
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116 | 'down':40, |
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117 | |
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118 | 'f1':112, |
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119 | 'f2':113, |
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120 | 'f3':114, |
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121 | 'f4':115, |
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122 | 'f5':116, |
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123 | 'f6':117, |
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124 | 'f7':118, |
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125 | 'f8':119, |
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126 | 'f9':120, |
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127 | 'f10':121, |
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128 | 'f11':122, |
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129 | 'f12':123 |
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130 | } |
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131 | |
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132 | var modifiers = { |
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133 | shift: { wanted:false, pressed:false}, |
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134 | ctrl : { wanted:false, pressed:false}, |
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135 | alt : { wanted:false, pressed:false}, |
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136 | meta : { wanted:false, pressed:false} //Meta is Mac specific |
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137 | }; |
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138 | |
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139 | if(e.ctrlKey) modifiers.ctrl.pressed = true; |
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140 | if(e.shiftKey) modifiers.shift.pressed = true; |
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141 | if(e.altKey) modifiers.alt.pressed = true; |
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142 | if(e.metaKey) modifiers.meta.pressed = true; |
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143 | |
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144 | for(var i=0; k=keys[i],i<keys.length; i++) { |
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145 | //Modifiers |
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146 | if(k == 'ctrl' || k == 'control') { |
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147 | kp++; |
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148 | modifiers.ctrl.wanted = true; |
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149 | |
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150 | } else if(k == 'shift') { |
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151 | kp++; |
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152 | modifiers.shift.wanted = true; |
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153 | |
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154 | } else if(k == 'alt') { |
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155 | kp++; |
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156 | modifiers.alt.wanted = true; |
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157 | } else if(k == 'meta') { |
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158 | kp++; |
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159 | modifiers.meta.wanted = true; |
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160 | } else if(k.length > 1) { //If it is a special key |
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161 | if(special_keys[k] == code) kp++; |
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162 | |
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163 | } else if(opt['keycode']) { |
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164 | if(opt['keycode'] == code) kp++; |
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165 | |
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166 | } else { //The special keys did not match |
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167 | if(character == k) kp++; |
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168 | else { |
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169 | if(shift_nums[character] && e.shiftKey) { //Stupid Shift key bug created by using lowercase |
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170 | character = shift_nums[character]; |
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171 | if(character == k) kp++; |
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172 | } |
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173 | } |
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174 | } |
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175 | } |
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176 | |
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177 | if(kp == keys.length && |
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178 | modifiers.ctrl.pressed == modifiers.ctrl.wanted && |
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179 | modifiers.shift.pressed == modifiers.shift.wanted && |
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180 | modifiers.alt.pressed == modifiers.alt.wanted && |
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181 | modifiers.meta.pressed == modifiers.meta.wanted) { |
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182 | callback(e); |
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183 | |
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184 | if(!opt['propagate']) { //Stop the event |
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185 | //e.cancelBubble is supported by IE - this will kill the bubbling process. |
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186 | e.cancelBubble = true; |
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187 | e.returnValue = false; |
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188 | |
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189 | //e.stopPropagation works in Firefox. |
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190 | if (e.stopPropagation) { |
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191 | e.stopPropagation(); |
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192 | e.preventDefault(); |
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193 | } |
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194 | return false; |
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195 | } |
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196 | } |
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197 | } |
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198 | this.all_shortcuts[shortcut_combination] = { |
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199 | 'callback':func, |
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200 | 'target':ele, |
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201 | 'event': opt['type'] |
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202 | }; |
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203 | //Attach the function with the event |
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204 | if(ele.addEventListener) ele.addEventListener(opt['type'], func, false); |
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205 | else if(ele.attachEvent) ele.attachEvent('on'+opt['type'], func); |
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206 | else ele['on'+opt['type']] = func; |
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207 | }, |
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208 | |
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209 | //Remove the shortcut - just specify the shortcut and I will remove the binding |
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210 | 'remove':function(shortcut_combination) { |
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211 | shortcut_combination = shortcut_combination.toLowerCase(); |
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212 | var binding = this.all_shortcuts[shortcut_combination]; |
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213 | delete(this.all_shortcuts[shortcut_combination]) |
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214 | if(!binding) return; |
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215 | var type = binding['event']; |
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216 | var ele = binding['target']; |
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217 | var callback = binding['callback']; |
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218 | |
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219 | if(ele.detachEvent) ele.detachEvent('on'+type, callback); |
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220 | else if(ele.removeEventListener) ele.removeEventListener(type, callback, false); |
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221 | else ele['on'+type] = false; |
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222 | } |
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223 | } |
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224 | |
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225 | /* ExpressMail Functions */ |
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226 | var shift_up_count = 0; |
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227 | var shift_down_count = 0; |
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228 | shortcut.add("N",function(){ new_message("new","null"); },{'disable_in_input':true}); |
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229 | |
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230 | shortcut.add("Esc",function(){ |
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231 | var window_closed = false; |
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232 | for(var window in arrayJSWin) |
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233 | { |
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234 | if (arrayJSWin[window].visible) |
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235 | { |
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236 | arrayJSWin[window].close(); |
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237 | window_closed = true; |
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238 | } |
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239 | } |
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240 | if (!window_closed) |
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241 | delete_border(get_msg_id(), 'false'); |
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242 | },{'disable_in_input':false}); |
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243 | |
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244 | shortcut.add("I",function(){ exec_msg_action('print'); },{'disable_in_input':true}); |
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245 | shortcut.add("E",function(){ exec_msg_action('forward'); },{'disable_in_input':true}); |
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246 | shortcut.add("R",function(){ exec_msg_action('reply'); },{'disable_in_input':true}); |
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247 | shortcut.add("Delete",function(){ |
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248 | if ( Element('border_id_0').className==='menu-sel' ) |
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249 | { |
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250 | var selected_shortcut_msgs = ''; |
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251 | var current_folder = get_current_folder(); |
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252 | all_messages = Element('tbody_box').childNodes; |
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253 | |
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254 | for (var i=0; i < all_messages.length; i++) |
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255 | { |
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256 | if ( exist_className(all_messages[i], 'selected_shortcut_msg') ) |
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257 | { |
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258 | selected_shortcut_msgs += all_messages[i].id + ','; |
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259 | } |
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260 | } |
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261 | |
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262 | selected_shortcut_msgs = selected_shortcut_msgs.substring(0,(selected_shortcut_msgs.length-1)); |
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263 | delete_msgs(current_folder, selected_shortcut_msgs, 'null'); |
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264 | } |
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265 | else |
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266 | exec_msg_action('delete'); |
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267 | } |
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268 | ,{'disable_in_input':true}); |
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269 | |
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270 | shortcut.add("Ctrl+Up",function(){ exec_msg_action('previous'); select_msg('null', 'up', true);},{'disable_in_input':true}); |
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271 | shortcut.add("Ctrl+Down",function(){ exec_msg_action('next'); select_msg('null', 'down', true);},{'disable_in_input':true}); |
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272 | if (is_ie){ |
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273 | shortcut.add("down",function(){ select_msg('null', 'down'); },{'disable_in_input':false}); |
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274 | shortcut.add("up",function(){ select_msg('null', 'up'); },{'disable_in_input':false}); |
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275 | shortcut.add("Shift+down",function(){ |
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276 | if (shift_up_count > 0) |
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277 | unselect_top_msg(); |
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278 | else |
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279 | select_bottom_msg(); |
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280 | },{'disable_in_input':false, 'propagate':false}); |
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281 | shortcut.add("Shift+up",function(){ |
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282 | if (shift_down_count > 0) |
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283 | unselect_bottom_msg(); |
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284 | else |
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285 | select_top_msg(); |
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286 | },{'disable_in_input':false, 'propagate':false}); |
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287 | } |
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288 | else{ |
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289 | shortcut.add("down",function(){ select_msg('null', 'down');},{'type':'keypress', 'disable_in_input':false}); |
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290 | shortcut.add("up",function(){ select_msg('null', 'up'); },{'type':'keypress', 'disable_in_input':false}); |
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291 | shortcut.add("Shift+down",function(){ |
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292 | if (shift_up_count > 0) |
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293 | unselect_top_msg(); |
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294 | else |
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295 | select_bottom_msg(); |
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296 | },{'type':'keypress','disable_in_input':false, 'propagate':false}); |
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297 | shortcut.add("Shift+up",function(){ |
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298 | if (shift_down_count > 0) |
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299 | unselect_bottom_msg(); |
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300 | else |
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301 | select_top_msg(); |
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302 | },{'type':'keypress','disable_in_input':false, 'propagate':false}); |
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303 | } |
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304 | |
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305 | shortcut.add("return",function(){ |
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306 | if ( Element('border_id_0').className==='menu-sel' ) |
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307 | { |
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308 | all_messages = Element('tbody_box').childNodes; |
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309 | for (var i=0; i < all_messages.length; i++) |
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310 | { |
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311 | if ( exist_className(all_messages[i], 'selected_shortcut_msg') ) |
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312 | { |
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313 | Element("td_who_" + all_messages[i].id).onclick(); |
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314 | return; |
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315 | } |
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316 | } |
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317 | } |
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318 | } |
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319 | ,{'disable_in_input':true}); |
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320 | |
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321 | shortcut.add("f9",function(){ |
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322 | Element("em_refresh_button").onclick(); |
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323 | return; |
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324 | },{'disable_in_input':true}); |
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325 | |
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326 | function exec_msg_action(action) |
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327 | { |
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328 | var msg_id = get_msg_id(); |
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329 | if (msg_id) |
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330 | { |
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331 | var msg_id = 'msg_opt_' + action + '_' + msg_id; |
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332 | try {Element(msg_id).onclick();} |
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333 | catch(e){/*alert(e);*/} |
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334 | } |
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335 | return; |
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336 | } |
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337 | |
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338 | function get_msg_id() |
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339 | { |
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340 | children = Element('border_tr').childNodes; |
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341 | |
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342 | for (var i=0; i<children.length; i++) |
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343 | { |
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344 | if ( (children[i].nodeName==='TD') && (children[i].className==='menu-sel') && children[i].id != 'border_id_0') |
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345 | { |
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346 | var border_selected = children[i]; |
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347 | var msg_id = border_selected.id.replace("border_id_",""); |
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348 | return msg_id; |
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349 | } |
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350 | } |
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351 | return false; |
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352 | } |
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353 | |
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354 | function select_msg(msg_number, keyboard_action, force_msg_selection) |
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355 | { |
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356 | //Select msg, even if the focus isn't the border_id_0 |
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357 | if ( (Element('border_id_0').className != 'menu-sel') && (!force_msg_selection) ) |
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358 | return; |
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359 | |
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360 | shift_up_count = 0; |
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361 | shift_down_count = 0; |
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362 | |
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363 | if (msg_number != 'null') |
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364 | { |
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365 | unselect_all_msgs(); |
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366 | add_className(Element(msg_number), 'selected_shortcut_msg') |
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367 | } |
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368 | else |
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369 | { |
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370 | all_messages = Element('tbody_box').childNodes; |
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371 | if (keyboard_action == 'down') |
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372 | { |
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373 | // Ultimo elemento ja esta selecionado |
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374 | if ( exist_className(all_messages[all_messages.length-1], 'selected_shortcut_msg') ) |
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375 | { |
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376 | unselect_all_msgs(); |
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377 | add_className(all_messages[all_messages.length-1], 'selected_shortcut_msg') |
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378 | return false; |
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379 | } |
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380 | |
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381 | for (var i=all_messages.length-1; i >=0; i--) |
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382 | { |
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383 | if ( exist_className(all_messages[i], 'selected_shortcut_msg') ) |
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384 | { |
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385 | add_className(all_messages[i+1], 'selected_shortcut_msg') |
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386 | break; |
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387 | } |
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388 | } |
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389 | for (; i>=0; i--) |
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390 | { |
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391 | remove_className(all_messages[i], 'selected_shortcut_msg'); |
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392 | } |
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393 | return true; |
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394 | } |
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395 | else |
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396 | { |
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397 | if ( exist_className(all_messages[0], 'selected_shortcut_msg') ) |
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398 | { |
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399 | unselect_all_msgs(); |
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400 | add_className(all_messages[0], 'selected_shortcut_msg') |
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401 | return false; |
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402 | } |
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403 | |
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404 | for (var i=0; i < all_messages.length; i++) |
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405 | { |
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406 | if ( exist_className(all_messages[i], 'selected_shortcut_msg') ) |
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407 | { |
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408 | add_className(all_messages[i-1], 'selected_shortcut_msg') |
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409 | break; |
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410 | } |
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411 | } |
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412 | for (; i< all_messages.length; i++) |
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413 | { |
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414 | remove_className(all_messages[i], 'selected_shortcut_msg') |
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415 | } |
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416 | return true; |
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417 | } |
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418 | } |
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419 | } |
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420 | |
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421 | function select_bottom_msg() |
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422 | { |
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423 | all_messages = Element('tbody_box').childNodes; |
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424 | |
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425 | if ( exist_className(all_messages[all_messages.length-1], 'selected_shortcut_msg') ) |
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426 | return; |
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427 | |
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428 | for (var i=all_messages.length-1; i >=0; i--) |
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429 | { |
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430 | if ( (exist_className(all_messages[i], 'selected_shortcut_msg')) && (i+1 <= all_messages.length-1) ) |
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431 | { |
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432 | shift_down_count++; |
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433 | add_className(all_messages[i+1], 'selected_shortcut_msg'); |
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434 | break; |
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435 | } |
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436 | } |
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437 | } |
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438 | |
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439 | function select_top_msg() |
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440 | { |
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441 | all_messages = Element('tbody_box').childNodes; |
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442 | |
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443 | if ( exist_className(all_messages[0], 'selected_shortcut_msg') ) |
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444 | return; |
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445 | |
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446 | for (var i=0; i <=all_messages.length-1; i++) |
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447 | { |
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448 | if ( exist_className(all_messages[i], 'selected_shortcut_msg') ) |
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449 | { |
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450 | shift_up_count++; |
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451 | add_className(all_messages[i-1], 'selected_shortcut_msg'); |
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452 | break; |
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453 | } |
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454 | } |
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455 | } |
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456 | |
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457 | function unselect_bottom_msg() |
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458 | { |
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459 | all_messages = Element('tbody_box').childNodes; |
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460 | for (var i=all_messages.length-1; i >=0; i--) |
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461 | { |
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462 | if ( exist_className(all_messages[i], 'selected_shortcut_msg') ) |
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463 | { |
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464 | shift_down_count--; |
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465 | remove_className(all_messages[i], 'selected_shortcut_msg'); |
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466 | break; |
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467 | } |
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468 | } |
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469 | } |
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470 | |
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471 | function unselect_top_msg() |
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472 | { |
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473 | all_messages = Element('tbody_box').childNodes; |
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474 | for (var i=0; i <=all_messages.length-1; i++) |
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475 | { |
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476 | if ( exist_className(all_messages[i], 'selected_shortcut_msg') ) |
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477 | { |
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478 | shift_up_count--; |
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479 | remove_className(all_messages[i], 'selected_shortcut_msg'); |
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480 | break; |
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481 | } |
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482 | } |
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483 | } |
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484 | |
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485 | function unselect_all_msgs() |
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486 | { |
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487 | all_messages = Element('tbody_box').childNodes; |
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488 | for (var i=0; i <=all_messages.length-1; i++) |
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489 | { |
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490 | remove_className(all_messages[i], 'selected_shortcut_msg'); |
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491 | } |
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492 | } |
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