1 | /* http://keith-wood.name/keypad.html
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2 | Keypad field entry extension for jQuery v1.5.0.
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3 | Written by Keith Wood (kbwood{at}iinet.com.au) August 2008.
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4 | Dual licensed under the GPL (http://dev.jquery.com/browser/trunk/jquery/GPL-LICENSE.txt) and
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5 | MIT (http://dev.jquery.com/browser/trunk/jquery/MIT-LICENSE.txt) licenses.
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6 | Please attribute the author if you use it. */
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7 |
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8 | (function($) { // hide the namespace
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9 |
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10 | /* Keypad manager.
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11 | Use the singleton instance of this class, $.keypad, to interact with the plugin.
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12 | Settings for keypad fields are maintained in instance objects,
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13 | allowing multiple different settings on the same page. */
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14 | function Keypad() {
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15 | this._curInst = null; // The current instance in use
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16 | this._disabledFields = []; // List of keypad fields that have been disabled
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17 | this._keypadShowing = false; // True if the popup panel is showing , false if not
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18 | this._keyCode = 0;
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19 | this._specialKeys = [];
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20 | this.addKeyDef('CLOSE', 'close', function(inst) {
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21 | plugin._curInst = (inst._inline ? inst : plugin._curInst);
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22 | plugin._hidePlugin();
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23 | });
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24 | this.addKeyDef('CLEAR', 'clear', function(inst) { plugin._clearValue(inst); });
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25 | this.addKeyDef('BACK', 'back', function(inst) { plugin._backValue(inst); });
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26 | this.addKeyDef('SHIFT', 'shift', function(inst) { plugin._shiftKeypad(inst); });
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27 | this.addKeyDef('SPACE_BAR', 'spacebar', function(inst) { plugin._selectValue(inst, ' '); }, true);
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28 | this.addKeyDef('SPACE', 'space');
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29 | this.addKeyDef('HALF_SPACE', 'half-space');
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30 | this.addKeyDef('ENTER', 'enter', function(inst) { plugin._selectValue(inst, '\x0D'); }, true);
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31 | this.addKeyDef('TAB', 'tab', function(inst) { plugin._selectValue(inst, '\x09'); }, true);
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32 | // Standard US keyboard alphabetic layout
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33 | this.qwertyAlphabetic = ['qwertyuiop', 'asdfghjkl', 'zxcvbnm'];
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34 | // Standard US keyboard layout
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35 | this.qwertyLayout = ['!@#$%^&*()_=' + this.HALF_SPACE + this.SPACE + this.CLOSE,
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36 | this.HALF_SPACE + '`~[]{}<>\\|/' + this.SPACE + '789',
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37 | 'qwertyuiop\'"' + this.HALF_SPACE + '456',
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38 | this.HALF_SPACE + 'asdfghjkl;:' + this.SPACE + '123',
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39 | this.SPACE + 'zxcvbnm,.?' + this.SPACE + this.HALF_SPACE + '-0+',
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40 | '' + this.TAB + this.ENTER + this.SPACE_BAR + this.SHIFT +
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41 | this.HALF_SPACE + this.BACK + this.CLEAR];
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42 | this.regional = []; // Available regional settings, indexed by language code
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43 | this.regional[''] = { // Default regional settings
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44 | buttonText: '...', // Display text for trigger button
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45 | buttonStatus: 'Open the keypad', // Status text for trigger button
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46 | closeText: 'Close', // Display text for close link
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47 | closeStatus: 'Close the keypad', // Status text for close link
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48 | clearText: 'Clear', // Display text for clear link
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49 | clearStatus: 'Erase all the text', // Status text for clear link
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50 | backText: 'Back', // Display text for back link
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51 | backStatus: 'Erase the previous character', // Status text for back link
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52 | spacebarText: ' ', // Display text for space bar
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53 | spacebarStatus: 'Space', // Status text for space bar
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54 | enterText: 'Enter', // Display text for carriage return
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55 | enterStatus: 'Carriage return', // Status text for carriage return
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56 | tabText: '→', // Display text for tab
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57 | tabStatus: 'Horizontal tab', // Status text for tab
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58 | shiftText: 'Shift', // Display text for shift link
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59 | shiftStatus: 'Toggle upper/lower case characters', // Status text for shift link
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60 | alphabeticLayout: this.qwertyAlphabetic, // Default layout for alphabetic characters
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61 | fullLayout: this.qwertyLayout, // Default layout for full keyboard
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62 | isAlphabetic: this.isAlphabetic, // Function to determine if character is alphabetic
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63 | isNumeric: this.isNumeric, // Function to determine if character is numeric
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64 | toUpper: this.toUpper, // Function to convert characters to upper case
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65 | isRTL: false // True if right-to-left language, false if left-to-right
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66 | };
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67 | this._defaults = { // Global defaults for all the keypad instances
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68 | showOn: 'focus', // 'focus' for popup on focus,
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69 | // 'button' for trigger button, or 'both' for either
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70 | buttonImage: '', // URL for trigger button image
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71 | buttonImageOnly: false, // True if the image appears alone, false if it appears on a button
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72 | showAnim: 'show', // Name of jQuery animation for popup
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73 | showOptions: {}, // Options for enhanced animations
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74 | duration: 'normal', // Duration of display/closure
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75 | appendText: '', // Display text following the text field, e.g. showing the format
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76 | useThemeRoller: false, // True to add ThemeRoller classes
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77 | keypadClass: '', // Additional CSS class for the keypad for an instance
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78 | prompt: '', // Display text at the top of the keypad
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79 | layout: ['123' + this.CLOSE, '456' + this.CLEAR, '789' + this.BACK, this.SPACE + '0'], // Layout of keys
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80 | separator: '', // Separator character between keys
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81 | target: null, // Input target for an inline keypad
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82 | keypadOnly: true, // True for entry only via the keypad, false for real keyboard too
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83 | randomiseAlphabetic: false, // True to randomise the alphabetic key positions, false to keep in order
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84 | randomiseNumeric: false, // True to randomise the numeric key positions, false to keep in order
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85 | randomiseOther: false, // True to randomise the other key positions, false to keep in order
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86 | randomiseAll: false, // True to randomise all key positions, false to keep in order
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87 | beforeShow: null, // Callback before showing the keypad
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88 | onKeypress: null, // Callback when a key is selected
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89 | onClose: null // Callback when the panel is closed
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90 | };
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91 | $.extend(this._defaults, this.regional['']);
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92 | this.mainDiv = $('<div class="' + this._mainDivClass + '" style="display: none;"></div>');
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93 | }
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94 |
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95 | $.extend(Keypad.prototype, {
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96 | /* Class name added to elements to indicate already configured with keypad. */
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97 | markerClassName: 'hasKeypad',
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98 | /* Name of the data property for instance settings. */
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99 | propertyName: 'keypad',
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100 |
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101 | _mainDivClass: 'keypad-popup', // The main keypad division class
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102 | _inlineClass: 'keypad-inline', // The inline marker class
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103 | _appendClass: 'keypad-append', // The append marker class
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104 | _triggerClass: 'keypad-trigger', // The trigger marker class
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105 | _disableClass: 'keypad-disabled', // The disabled covering marker class
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106 | _inlineEntryClass: 'keypad-keyentry', // The inline entry marker class
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107 | _coverClass: 'keypad-cover', // The IE select cover marker class
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108 | _rtlClass: 'keypad-rtl', // The right-to-left marker class
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109 | _rowClass: 'keypad-row', // The keypad row marker class
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110 | _promptClass: 'keypad-prompt', // The prompt marker class
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111 | _specialClass: 'keypad-special', // The special key marker class
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112 | _namePrefixClass: 'keypad-', // The key name marker class prefix
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113 | _keyClass: 'keypad-key', // The key marker class
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114 | _keyDownClass: 'keypad-key-down', // The key down marker class
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115 |
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116 | /* Override the default settings for all keypad instances.
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117 | @param settings (object) the new settings to use as defaults
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118 | @return (Keypad) this object */
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119 | setDefaults: function(settings) {
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120 | $.extend(this._defaults, settings || {});
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121 | return this;
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122 | },
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123 |
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124 | /* Add the definition of a special key.
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125 | @param id (string) the identifier for this key - access via $.keypad.<id>
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126 | @param name (string) the prefix for localisation strings and
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127 | the suffix for a class name
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128 | @param action (function) the action performed for this key -
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129 | receives inst as a parameter
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130 | @param noHighlight (boolean) true to suppress highlight when using ThemeRoller
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131 | @return (Keypad) this object */
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132 | addKeyDef: function(id, name, action, noHighlight) {
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133 | if (this._keyCode == 32) {
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134 | throw 'Only 32 special keys allowed';
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135 | }
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136 | this[id] = String.fromCharCode(this._keyCode++);
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137 | this._specialKeys.push({code: this[id], id: id, name: name,
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138 | action: action, noHighlight: noHighlight});
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139 | return this;
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140 | },
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141 |
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142 | /* Attach the keypad to a jQuery selection.
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143 | @param target (element) the control to affect
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144 | @param options (object) the custom options for this instance */
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145 | _attachPlugin: function(target, options) {
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146 | target = $(target);
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147 | if (target.hasClass(this.markerClassName)) {
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148 | return;
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149 | }
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150 | var inline = !target[0].nodeName.toLowerCase().match(/input|textarea/);
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151 | var inst = {options: $.extend({}, this._defaults, options), _inline: inline,
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152 | _mainDiv: (inline ? $('<div class="' + this._inlineClass + '"></div>') : plugin.mainDiv),
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153 | ucase: false};
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154 | this._setInput(target, inst);
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155 | this._connectKeypad(target, inst);
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156 | if (inline) {
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157 | target.append(inst._mainDiv).
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158 | bind('click.' + this.propertyName, function() { inst._input.focus(); });
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159 | this._updateKeypad(inst);
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160 | }
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161 | else if (target.is(':disabled')) {
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162 | this._disablePlugin(target);
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163 | }
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164 | },
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165 |
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166 | /* Determine the input field for the keypad.
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167 | @param target (jQuery) the target control
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168 | @param inst (object) the instance settings */
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169 | _setInput: function(target, inst) {
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170 | inst._input = $(!inst._inline ? target : inst.options.target ||
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171 | '<input type="text" class="' + this._inlineEntryClass + '" disabled="disabled"/>');
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172 | if (inst._inline) {
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173 | target.find('input').remove();
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174 | if (!inst.options.target) {
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175 | target.append(inst._input);
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176 | }
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177 | }
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178 | },
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179 |
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180 | /* Attach the keypad to a text field.
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181 | @param target (jQuery) the target text field
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182 | @param inst (object) the instance settings */
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183 | _connectKeypad: function(target, inst) {
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184 | target = $(target);
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185 | var appendText = inst.options.appendText;
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186 | if (appendText) {
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187 | target[inst.options.isRTL ? 'before' : 'after'](
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188 | '<span class="' + this._appendClass + '">' + appendText + '</span>');
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189 | }
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190 | if (!inst._inline) {
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191 | if (inst.options.showOn == 'focus' || inst.options.showOn == 'both') {
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192 | // pop-up keypad when in the marked field
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193 | target.bind('focus.' + this.propertyName, this._showPlugin).
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194 | bind('keydown.' + this.propertyName, this._doKeyDown);
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195 | }
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196 | if (inst.options.showOn == 'button' || inst.options.showOn == 'both') {
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197 | // pop-up keypad when button clicked
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198 | var buttonStatus = inst.options.buttonStatus;
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199 | var buttonImage = inst.options.buttonImage;
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200 | var trigger = $(inst.options.buttonImageOnly ?
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201 | $('<img src="' + buttonImage + '" alt="' +
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202 | buttonStatus + '" title="' + buttonStatus + '"/>') :
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203 | $('<button type="button" title="' + buttonStatus + '"></button>').
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204 | html(buttonImage == '' ? inst.options.buttonText :
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205 | $('<img src="' + buttonImage + '" alt="' +
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206 | buttonStatus + '" title="' + buttonStatus + '"/>')));
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207 | target[inst.options.isRTL ? 'before' : 'after'](trigger);
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208 | trigger.addClass(this._triggerClass).click(function() {
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209 | if (plugin._keypadShowing && plugin._lastField == target[0]) {
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210 | plugin._hidePlugin();
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211 | }
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212 | else {
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213 | plugin._showPlugin(target[0]);
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214 | }
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215 | return false;
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216 | });
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217 | }
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218 | }
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219 | inst.saveReadonly = target.attr('readonly');
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220 | target.addClass(this.markerClassName).
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221 | data(this.propertyName, inst)
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222 | [inst.options.keypadOnly ? 'attr' : 'removeAttr']('readonly', true).
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223 | bind('setData.' + this.propertyName, function(event, key, value) {
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224 | inst.options[key] = value;
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225 | }).bind('getData.' + this.propertyName, function(event, key) {
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226 | return inst.options[key];
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227 | });
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228 | },
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229 |
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230 | /* Retrieve or reconfigure the settings for a control.
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231 | @param target (element) the control to affect
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232 | @param options (object) the new options for this instance or
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233 | (string) an individual property name
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234 | @param value (any) the individual property value (omit if options
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235 | is an object or to retrieve the value of a setting)
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236 | @return (any) if retrieving a value */
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237 | _optionPlugin: function(target, options, value) {
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238 | target = $(target);
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239 | var inst = target.data(this.propertyName);
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240 | if (!options || (typeof options == 'string' && value == null)) { // Get option
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241 | var name = options;
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242 | options = (inst || {}).options;
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243 | return (options && name ? options[name] : options);
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244 | }
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245 |
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246 | if (!target.hasClass(this.markerClassName)) {
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247 | return;
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248 | }
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249 | options = options || {};
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250 | if (typeof options == 'string') {
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251 | var name = options;
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252 | options = {};
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253 | options[name] = value;
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254 | }
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255 | if (this._curInst == inst) {
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256 | this._hidePlugin();
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257 | }
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258 | $.extend(inst.options, options);
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259 | this._setInput(target, inst);
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260 | this._updateKeypad(inst);
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261 | },
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262 |
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263 | /* Detach keypad from its control.
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264 | @param target (element) the target text field */
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265 | _destroyPlugin: function(target) {
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266 | target = $(target);
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267 | if (!target.hasClass(this.markerClassName)) {
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268 | return;
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269 | }
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270 | var inst = target.data(this.propertyName);
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271 | if (this._curInst == inst) {
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272 | this._hidePlugin();
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273 | }
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274 | target.siblings('.' + this._appendClass).remove().end().
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275 | siblings('.' + this._triggerClass).remove().end().
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276 | prev('.' + this._inlineEntryClass).remove();
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277 | target.removeClass(this.markerClassName).empty().
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278 | unbind('.' + this.propertyName).
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279 | removeData(this.propertyName)
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280 | [inst.saveReadonly ? 'attr' : 'removeAttr']('readonly', true);
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281 | inst._input.removeData(this.propertyName);
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282 | },
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283 |
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284 | /* Enable the keypad for a jQuery selection.
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285 | @param target (element) the target text field */
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286 | _enablePlugin: function(target) {
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287 | target = $(target);
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288 | if (!target.hasClass(this.markerClassName)) {
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289 | return;
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290 | }
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291 | var nodeName = target[0].nodeName.toLowerCase();
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292 | if (nodeName.match(/input|textarea/)) {
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293 | target[0].disabled = false;
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294 | target.siblings('button.' + this._triggerClass).
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295 | each(function() { this.disabled = false; }).end().
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296 | siblings('img.' + this._triggerClass).
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297 | css({opacity: '1.0', cursor: ''});
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298 | }
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299 | else if (nodeName.match(/div|span/)) {
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300 | target.children('.' + this._disableClass).remove();
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301 | var inst = target.data(this.propertyName);
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302 | inst._mainDiv.find('button').removeAttr('disabled');
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303 | }
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304 | this._disabledFields = $.map(this._disabledFields,
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305 | function(value) { return (value == target[0] ? null : value); }); // delete entry
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306 | },
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307 |
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308 | /* Disable the keypad for a jQuery selection.
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309 | @param target (element) the target text field */
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310 | _disablePlugin: function(target) {
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311 | target = $(target);
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312 | if (!target.hasClass(this.markerClassName)) {
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313 | return;
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314 | }
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315 | var nodeName = target[0].nodeName.toLowerCase();
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316 | if (nodeName.match(/input|textarea/)) {
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317 | target[0].disabled = true;
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318 | target.siblings('button.' + this._triggerClass).
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319 | each(function() { this.disabled = true; }).end().
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320 | siblings('img.' + this._triggerClass).
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321 | css({opacity: '0.5', cursor: 'default'});
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322 | }
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323 | else if (nodeName.match(/div|span/)) {
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324 | var inline = target.children('.' + this._inlineClass);
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325 | var offset = inline.offset();
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326 | var relOffset = {left: 0, top: 0};
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327 | inline.parents().each(function() {
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328 | if ($(this).css('position') == 'relative') {
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329 | relOffset = $(this).offset();
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330 | return false;
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331 | }
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332 | });
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333 | target.prepend('<div class="' + this._disableClass + '" style="width: ' +
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334 | inline.outerWidth() + 'px; height: ' + inline.outerHeight() +
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335 | 'px; left: ' + (offset.left - relOffset.left) +
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336 | 'px; top: ' + (offset.top - relOffset.top) + 'px;"></div>');
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337 | var inst = target.data(this.propertyName);
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338 | inst._mainDiv.find('button').attr('disabled', 'disabled');
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339 | }
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340 | this._disabledFields = $.map(this._disabledFields,
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341 | function(value) { return (value == target[0] ? null : value); }); // delete entry
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342 | this._disabledFields[this._disabledFields.length] = target[0];
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343 | },
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344 |
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345 | /* Is the text field disabled as a keypad?
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346 | @param target (element) the target text field
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347 | @return (boolean) true if disabled, false if enabled */
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348 | _isDisabledPlugin: function(target) {
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349 | return (target && $.inArray(target, this._disabledFields) > -1);
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350 | },
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351 |
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352 | /* Pop-up the keypad for a given text field.
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353 | @param field (element) the text field attached to the keypad or
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354 | (event) if triggered by focus */
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355 | _showPlugin: function(field) {
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356 | field = field.target || field;
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357 | if (plugin._isDisabledPlugin(field) ||
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358 | plugin._lastField == field) { // already here
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359 | return;
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360 | }
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361 | var inst = $.data(field, plugin.propertyName);
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362 | plugin._hidePlugin(null, '');
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363 | plugin._lastField = field;
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364 | plugin._pos = plugin._findPos(field);
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365 | plugin._pos[1] += field.offsetHeight; // add the height
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366 | var isFixed = false;
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367 | $(field).parents().each(function() {
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368 | isFixed |= $(this).css('position') == 'fixed';
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369 | return !isFixed;
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370 | });
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371 | if (isFixed && $.browser.opera) { // correction for Opera when fixed and scrolled
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372 | plugin._pos[0] -= document.documentElement.scrollLeft;
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373 | plugin._pos[1] -= document.documentElement.scrollTop;
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374 | }
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375 | var offset = {left: plugin._pos[0], top: plugin._pos[1]};
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376 | plugin._pos = null;
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377 | // determine sizing offscreen
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378 | inst._mainDiv.css({position: 'absolute', display: 'block', top: '-1000px',
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379 | width: ($.browser.opera ? '1000px' : 'auto')});
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380 | plugin._updateKeypad(inst);
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381 | // and adjust position before showing
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382 | offset = plugin._checkOffset(inst, offset, isFixed);
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383 | inst._mainDiv.css({position: (isFixed ? 'fixed' : 'absolute'), display: 'none',
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384 | left: offset.left + 'px', top: offset.top + 'px'});
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385 | var duration = inst.options.duration;
|
---|
386 | duration = (duration == 'normal' && $.ui && $.ui.version >= '1.8' ? '_default' : duration);
|
---|
387 | var showAnim = inst.options.showAnim;
|
---|
388 | var postProcess = function() {
|
---|
389 | plugin._keypadShowing = true;
|
---|
390 | var borders = plugin._getBorders(inst._mainDiv);
|
---|
391 | inst._mainDiv.find('iframe.' + plugin._coverClass). // IE6- only
|
---|
392 | css({left: -borders[0], top: -borders[1],
|
---|
393 | width: inst._mainDiv.outerWidth(), height: inst._mainDiv.outerHeight()});
|
---|
394 | };
|
---|
395 | if ($.effects && ($.effects[showAnim] || ($.effects.effect && $.effects.effect[showAnim]))) {
|
---|
396 | var data = inst._mainDiv.data(); // Update old effects data
|
---|
397 | for (var key in data) {
|
---|
398 | if (key.match(/^ec\.storage\./)) {
|
---|
399 | data[key] = inst._mainDiv.css(key.replace(/ec\.storage\./, ''));
|
---|
400 | }
|
---|
401 | }
|
---|
402 | inst._mainDiv.data(data).show(showAnim,
|
---|
403 | inst.options.showOptions, duration, postProcess);
|
---|
404 | }
|
---|
405 | else {
|
---|
406 | inst._mainDiv[showAnim || 'show']((showAnim ? duration : ''), postProcess);
|
---|
407 | }
|
---|
408 | if (!showAnim) {
|
---|
409 | postProcess();
|
---|
410 | }
|
---|
411 | if (inst._input[0].type != 'hidden') {
|
---|
412 | inst._input[0].focus();
|
---|
413 | }
|
---|
414 | plugin._curInst = inst;
|
---|
415 | },
|
---|
416 |
|
---|
417 | /* Generate the keypad content.
|
---|
418 | @param inst (object) the instance settings */
|
---|
419 | _updateKeypad: function(inst) {
|
---|
420 | var borders = this._getBorders(inst._mainDiv);
|
---|
421 | inst._mainDiv.empty().append(this._generateHTML(inst)).
|
---|
422 | find('iframe.' + this._coverClass). // IE6- only
|
---|
423 | css({left: -borders[0], top: -borders[1],
|
---|
424 | width: inst._mainDiv.outerWidth(), height: inst._mainDiv.outerHeight()});
|
---|
425 | inst._mainDiv.removeClass().addClass(inst.options.keypadClass +
|
---|
426 | (inst.options.useThemeRoller ? ' ui-widget ui-widget-content' : '') +
|
---|
427 | (inst.options.isRTL ? ' ' + this._rtlClass : '') + ' ' +
|
---|
428 | (inst._inline ? this._inlineClass : this._mainDivClass));
|
---|
429 | if ($.isFunction(inst.options.beforeShow)) {
|
---|
430 | inst.options.beforeShow.apply((inst._input ? inst._input[0] : null),
|
---|
431 | [inst._mainDiv, inst]);
|
---|
432 | }
|
---|
433 | },
|
---|
434 |
|
---|
435 | /* Retrieve the size of left and top borders for an element.
|
---|
436 | @param elem (jQuery object) the element of interest
|
---|
437 | @return (number[2]) the left and top borders */
|
---|
438 | _getBorders: function(elem) {
|
---|
439 | var convert = function(value) {
|
---|
440 | var extra = ($.browser.msie ? 1 : 0);
|
---|
441 | return {thin: 1 + extra, medium: 3 + extra, thick: 5 + extra}[value] || value;
|
---|
442 | };
|
---|
443 | return [parseFloat(convert(elem.css('border-left-width'))),
|
---|
444 | parseFloat(convert(elem.css('border-top-width')))];
|
---|
445 | },
|
---|
446 |
|
---|
447 | /* Check positioning to remain on screen.
|
---|
448 | @param inst (object) the instance settings
|
---|
449 | @param offset (object) the current offset
|
---|
450 | @param isFixed (boolean) true if the text field is fixed in position
|
---|
451 | @return (object) the updated offset */
|
---|
452 | _checkOffset: function(inst, offset, isFixed) {
|
---|
453 | var pos = inst._input ? this._findPos(inst._input[0]) : null;
|
---|
454 | var browserWidth = window.innerWidth || document.documentElement.clientWidth;
|
---|
455 | var browserHeight = window.innerHeight || document.documentElement.clientHeight;
|
---|
456 | var scrollX = document.documentElement.scrollLeft || document.body.scrollLeft;
|
---|
457 | var scrollY = document.documentElement.scrollTop || document.body.scrollTop;
|
---|
458 | if (($.browser.msie && parseInt($.browser.version, 10) < 7) || $.browser.opera) {
|
---|
459 | // recalculate width as otherwise set to 100%
|
---|
460 | var width = 0;
|
---|
461 | inst._mainDiv.find(':not(div,iframe)').each(function() {
|
---|
462 | width = Math.max(width, this.offsetLeft + $(this).outerWidth() +
|
---|
463 | parseInt($(this).css('margin-right'), 10));
|
---|
464 | });
|
---|
465 | inst._mainDiv.css('width', width);
|
---|
466 | }
|
---|
467 | // reposition keypad panel horizontally if outside the browser window
|
---|
468 | if (inst.options.isRTL ||
|
---|
469 | (offset.left + inst._mainDiv.outerWidth() - scrollX) > browserWidth) {
|
---|
470 | offset.left = Math.max((isFixed ? 0 : scrollX),
|
---|
471 | pos[0] + (inst._input ? inst._input.outerWidth() : 0) -
|
---|
472 | (isFixed ? scrollX : 0) - inst._mainDiv.outerWidth() -
|
---|
473 | (isFixed && $.browser.opera ? document.documentElement.scrollLeft : 0));
|
---|
474 | }
|
---|
475 | else {
|
---|
476 | offset.left -= (isFixed ? scrollX : 0);
|
---|
477 | }
|
---|
478 | // reposition keypad panel vertically if outside the browser window
|
---|
479 | if ((offset.top + inst._mainDiv.outerHeight() - scrollY) > browserHeight) {
|
---|
480 | offset.top = Math.max((isFixed ? 0 : scrollY),
|
---|
481 | pos[1] - (isFixed ? scrollY : 0) - inst._mainDiv.outerHeight() -
|
---|
482 | (isFixed && $.browser.opera ? document.documentElement.scrollTop : 0));
|
---|
483 | }
|
---|
484 | else {
|
---|
485 | offset.top -= (isFixed ? scrollY : 0);
|
---|
486 | }
|
---|
487 | return offset;
|
---|
488 | },
|
---|
489 |
|
---|
490 | /* Find an object's position on the screen.
|
---|
491 | @param obj (element) the element to find the position for
|
---|
492 | @return (int[2]) the element's position */
|
---|
493 | _findPos: function(obj) {
|
---|
494 | while (obj && (obj.type == 'hidden' || obj.nodeType != 1)) {
|
---|
495 | obj = obj.nextSibling;
|
---|
496 | }
|
---|
497 | var position = $(obj).offset();
|
---|
498 | return [position.left, position.top];
|
---|
499 | },
|
---|
500 |
|
---|
501 | /* Hide the keypad from view.
|
---|
502 | @param field (element) the text field attached to the keypad
|
---|
503 | @param duration (string) the duration over which to close the keypad */
|
---|
504 | _hidePlugin: function(field, duration) {
|
---|
505 | var inst = this._curInst;
|
---|
506 | if (!inst || (field && inst != $.data(field, this.propertyName))) {
|
---|
507 | return;
|
---|
508 | }
|
---|
509 | if (this._keypadShowing) {
|
---|
510 | duration = (duration != null ? duration : inst.options.duration);
|
---|
511 | duration = (duration == 'normal' && $.ui && $.ui.version >= '1.8' ? '_default' : duration);
|
---|
512 | var showAnim = inst.options.showAnim;
|
---|
513 | if ($.effects && ($.effects[showAnim] || ($.effects.effect && $.effects.effect[showAnim]))) {
|
---|
514 | inst._mainDiv.hide(showAnim, inst.options.showOptions, duration);
|
---|
515 | }
|
---|
516 | else {
|
---|
517 | inst._mainDiv[(showAnim == 'slideDown' ? 'slideUp' :
|
---|
518 | (showAnim == 'fadeIn' ? 'fadeOut' : 'hide'))](showAnim ? duration : '');
|
---|
519 | }
|
---|
520 | }
|
---|
521 | if ($.isFunction(inst.options.onClose)) {
|
---|
522 | inst.options.onClose.apply((inst._input ? inst._input[0] : null), // trigger custom callback
|
---|
523 | [inst._input.val(), inst]);
|
---|
524 | }
|
---|
525 | if (this._keypadShowing) {
|
---|
526 | this._keypadShowing = false;
|
---|
527 | this._lastField = null;
|
---|
528 | }
|
---|
529 | if (inst._inline) {
|
---|
530 | inst._input.val('');
|
---|
531 | }
|
---|
532 | this._curInst = null;
|
---|
533 | },
|
---|
534 |
|
---|
535 | /* Handle keystrokes.
|
---|
536 | @param e (event) the key event */
|
---|
537 | _doKeyDown: function(e) {
|
---|
538 | if (e.keyCode == 9) { // Tab out
|
---|
539 | plugin.mainDiv.stop(true, true);
|
---|
540 | plugin._hidePlugin();
|
---|
541 | }
|
---|
542 | },
|
---|
543 |
|
---|
544 | /* Close keypad if clicked elsewhere.
|
---|
545 | @param event (event) the mouseclick details */
|
---|
546 | _checkExternalClick: function(event) {
|
---|
547 | if (!plugin._curInst) {
|
---|
548 | return;
|
---|
549 | }
|
---|
550 | var target = $(event.target);
|
---|
551 | if (!target.parents().andSelf().hasClass(plugin._mainDivClass) &&
|
---|
552 | !target.hasClass(plugin.markerClassName) &&
|
---|
553 | !target.parents().andSelf().hasClass(plugin._triggerClass) &&
|
---|
554 | plugin._keypadShowing) {
|
---|
555 | plugin._hidePlugin();
|
---|
556 | }
|
---|
557 | },
|
---|
558 |
|
---|
559 | /* Toggle between upper and lower case.
|
---|
560 | @param inst (object) the instance settings */
|
---|
561 | _shiftKeypad: function(inst) {
|
---|
562 | inst.ucase = !inst.ucase;
|
---|
563 | this._updateKeypad(inst);
|
---|
564 | inst._input.focus(); // for further typing
|
---|
565 | },
|
---|
566 |
|
---|
567 | /* Erase the text field.
|
---|
568 | @param inst (object) the instance settings */
|
---|
569 | _clearValue: function(inst) {
|
---|
570 | this._setValue(inst, '', 0);
|
---|
571 | this._notifyKeypress(inst, plugin.DEL);
|
---|
572 | },
|
---|
573 |
|
---|
574 | /* Erase the last character.
|
---|
575 | @param inst (object) the instance settings */
|
---|
576 | _backValue: function(inst) {
|
---|
577 | var field = inst._input[0];
|
---|
578 | var value = inst._input.val();
|
---|
579 | var range = [value.length, value.length];
|
---|
580 | if (field.setSelectionRange) { // Mozilla
|
---|
581 | range = (inst._input.attr('readonly') || inst._input.attr('disabled') ?
|
---|
582 | range : [field.selectionStart, field.selectionEnd]);
|
---|
583 | }
|
---|
584 | else if (field.createTextRange) { // IE
|
---|
585 | range = (inst._input.attr('readonly') || inst._input.attr('disabled') ?
|
---|
586 | range : this._getIERange(field));
|
---|
587 | }
|
---|
588 | this._setValue(inst, (value.length == 0 ? '' :
|
---|
589 | value.substr(0, range[0] - 1) + value.substr(range[1])), range[0] - 1);
|
---|
590 | this._notifyKeypress(inst, plugin.BS);
|
---|
591 | },
|
---|
592 |
|
---|
593 | /* Update the text field with the selected value.
|
---|
594 | @param inst (object) the instance settings
|
---|
595 | @param value (string) the new character to add */
|
---|
596 | _selectValue: function(inst, value) {
|
---|
597 | this.insertValue(inst._input[0], value);
|
---|
598 | this._setValue(inst, inst._input.val());
|
---|
599 | this._notifyKeypress(inst, value);
|
---|
600 | },
|
---|
601 |
|
---|
602 | /* Update the text field with the selected value.
|
---|
603 | @param input (element) the input field or
|
---|
604 | (jQuery) jQuery collection
|
---|
605 | @param value (string) the new character to add */
|
---|
606 | insertValue: function(input, value) {
|
---|
607 | input = (input.jquery ? input : $(input));
|
---|
608 | var field = input[0];
|
---|
609 | var newValue = input.val();
|
---|
610 | var range = [newValue.length, newValue.length];
|
---|
611 | if (field.setSelectionRange) { // Mozilla
|
---|
612 | range = (input.attr('readonly') || input.attr('disabled') ?
|
---|
613 | range : [field.selectionStart, field.selectionEnd]);
|
---|
614 | }
|
---|
615 | else if (field.createTextRange) { // IE
|
---|
616 | range = (input.attr('readonly') || input.attr('disabled') ?
|
---|
617 | range : this._getIERange(field));
|
---|
618 | }
|
---|
619 | input.val(newValue.substr(0, range[0]) + value + newValue.substr(range[1]));
|
---|
620 | pos = range[0] + value.length;
|
---|
621 | if (input.is(':visible')) {
|
---|
622 | input.focus(); // for further typing
|
---|
623 | }
|
---|
624 | if (field.setSelectionRange) { // Mozilla
|
---|
625 | if (input.is(':visible')) {
|
---|
626 | field.setSelectionRange(pos, pos);
|
---|
627 | }
|
---|
628 | }
|
---|
629 | else if (field.createTextRange) { // IE
|
---|
630 | range = field.createTextRange();
|
---|
631 | range.move('character', pos);
|
---|
632 | range.select();
|
---|
633 | }
|
---|
634 | },
|
---|
635 |
|
---|
636 | /* Get the coordinates for the selected area in the text field in IE.
|
---|
637 | @param field (element) the target text field
|
---|
638 | @return (int[2]) the start and end positions of the selection */
|
---|
639 | _getIERange: function(field) {
|
---|
640 | field.focus();
|
---|
641 | var selectionRange = document.selection.createRange().duplicate();
|
---|
642 | // Use two ranges: before and selection
|
---|
643 | var beforeRange = this._getIETextRange(field);
|
---|
644 | beforeRange.setEndPoint('EndToStart', selectionRange);
|
---|
645 | // Check each range for trimmed newlines by shrinking the range by one
|
---|
646 | // character and seeing if the text property has changed. If it has not
|
---|
647 | // changed then we know that IE has trimmed a \r\n from the end.
|
---|
648 | var checkCRLF = function(range) {
|
---|
649 | var origText = range.text;
|
---|
650 | var text = origText;
|
---|
651 | var finished = false;
|
---|
652 | while (true) {
|
---|
653 | if (range.compareEndPoints('StartToEnd', range) == 0) {
|
---|
654 | break;
|
---|
655 | }
|
---|
656 | else {
|
---|
657 | range.moveEnd('character', -1);
|
---|
658 | if (range.text == origText) {
|
---|
659 | text += '\r\n';
|
---|
660 | }
|
---|
661 | else {
|
---|
662 | break;
|
---|
663 | }
|
---|
664 | }
|
---|
665 | }
|
---|
666 | return text;
|
---|
667 | };
|
---|
668 | var beforeText = checkCRLF(beforeRange);
|
---|
669 | var selectionText = checkCRLF(selectionRange);
|
---|
670 | return [beforeText.length, beforeText.length + selectionText.length];
|
---|
671 | },
|
---|
672 |
|
---|
673 | /* Create an IE text range for the text field.
|
---|
674 | @param field (element) the target text field
|
---|
675 | @return (object) the corresponding text range */
|
---|
676 | _getIETextRange: function(field) {
|
---|
677 | var isInput = (field.nodeName.toLowerCase() == 'input');
|
---|
678 | var range = (isInput ? field.createTextRange() : document.body.createTextRange());
|
---|
679 | if (!isInput) {
|
---|
680 | range.moveToElementText(field); // Selects all the text for a textarea
|
---|
681 | }
|
---|
682 | return range;
|
---|
683 | },
|
---|
684 |
|
---|
685 | /* Set the text field to the selected value,
|
---|
686 | and trigger any on change event.
|
---|
687 | @param inst (object) the instance settings
|
---|
688 | @param value (string) the new value for the text field */
|
---|
689 | _setValue: function(inst, value) {
|
---|
690 | var maxlen = inst._input.attr('maxlength');
|
---|
691 | if (maxlen > -1) {
|
---|
692 | value = value.substr(0, maxlen);
|
---|
693 | }
|
---|
694 | inst._input.val(value);
|
---|
695 | if (!$.isFunction(inst.options.onKeypress)) {
|
---|
696 | inst._input.trigger('change'); // fire the change event
|
---|
697 | }
|
---|
698 | },
|
---|
699 |
|
---|
700 | _notifyKeypress: function(inst, key) {
|
---|
701 | if ($.isFunction(inst.options.onKeypress)) { // trigger custom callback
|
---|
702 | inst.options.onKeypress.apply((inst._input ? inst._input[0] : null),
|
---|
703 | [key, inst._input.val(), inst]);
|
---|
704 | }
|
---|
705 | },
|
---|
706 |
|
---|
707 | /* Generate the HTML for the current state of the keypad.
|
---|
708 | @param inst (object) the instance settings
|
---|
709 | @return (jQuery) the HTML for this keypad */
|
---|
710 | _generateHTML: function(inst) {
|
---|
711 | var html = (!inst.options.prompt ? '' : '<div class="' + this._promptClass +
|
---|
712 | (inst.options.useThemeRoller ? ' ui-widget-header ui-corner-all' : '') + '">' +
|
---|
713 | inst.options.prompt + '</div>');
|
---|
714 | var layout = this._randomiseLayout(inst);
|
---|
715 | for (var i = 0; i < layout.length; i++) {
|
---|
716 | html += '<div class="' + this._rowClass + '">';
|
---|
717 | var keys = layout[i].split(inst.options.separator);
|
---|
718 | for (var j = 0; j < keys.length; j++) {
|
---|
719 | if (inst.ucase) {
|
---|
720 | keys[j] = inst.options.toUpper(keys[j]);
|
---|
721 | }
|
---|
722 | var keyDef = this._specialKeys[keys[j].charCodeAt(0)];
|
---|
723 | if (keyDef) {
|
---|
724 | html += (keyDef.action ? '<button type="button" class="' + this._specialClass +
|
---|
725 | ' ' + this._namePrefixClass + keyDef.name +
|
---|
726 | (inst.options.useThemeRoller ? ' ui-corner-all ui-state-default' +
|
---|
727 | (keyDef.noHighlight ? '' : ' ui-state-highlight') : '') +
|
---|
728 | '" title="' + inst.options[keyDef.name + 'Status'] + '">' +
|
---|
729 | (inst.options[keyDef.name + 'Text'] || ' ') + '</button>' :
|
---|
730 | '<div class="' + this._namePrefixClass + keyDef.name + '"></div>');
|
---|
731 | }
|
---|
732 | else {
|
---|
733 | html += '<button type="button" class="' + this._keyClass +
|
---|
734 | (inst.options.useThemeRoller ? ' ui-corner-all ui-state-default' : '') + '">' +
|
---|
735 | (keys[j] == ' ' ? ' ' : keys[j]) + '</button>';
|
---|
736 | }
|
---|
737 | }
|
---|
738 | html += '</div>';
|
---|
739 | }
|
---|
740 | html += '<div style="clear: both;"></div>' +
|
---|
741 | (!inst._inline && $.browser.msie && parseInt($.browser.version, 10) < 7 ?
|
---|
742 | '<iframe src="javascript:false;" class="' + plugin._coverClass + '"></iframe>' : '');
|
---|
743 | html = $(html);
|
---|
744 | var thisInst = inst;
|
---|
745 | var activeClasses = this._keyDownClass + (inst.options.useThemeRoller ? ' ui-state-active' : '');
|
---|
746 | html.find('button').mousedown(function() { $(this).addClass(activeClasses); }).
|
---|
747 | mouseup(function() { $(this).removeClass(activeClasses); }).
|
---|
748 | mouseout(function() { $(this).removeClass(activeClasses); }).
|
---|
749 | filter('.' + this._keyClass).click(function() { plugin._selectValue(thisInst, $(this).text()); });
|
---|
750 | $.each(this._specialKeys, function(i, keyDef) {
|
---|
751 | html.find('.' + plugin._namePrefixClass + keyDef.name).click(function() {
|
---|
752 | keyDef.action.apply(thisInst._input, [thisInst]);
|
---|
753 | });
|
---|
754 | });
|
---|
755 | return html;
|
---|
756 | },
|
---|
757 |
|
---|
758 | /* Check whether characters should be randomised,
|
---|
759 | and, if so, produce the randomised layout.
|
---|
760 | @param inst (object) the instance settings
|
---|
761 | @return (string[]) the layout with any requested randomisations applied */
|
---|
762 | _randomiseLayout: function(inst) {
|
---|
763 | if (!inst.options.randomiseNumeric && !inst.options.randomiseAlphabetic &&
|
---|
764 | !inst.options.randomiseOther && !inst.options.randomiseAll) {
|
---|
765 | return inst.options.layout;
|
---|
766 | }
|
---|
767 | var numerics = [];
|
---|
768 | var alphas = [];
|
---|
769 | var others = [];
|
---|
770 | var newLayout = [];
|
---|
771 | // Find characters of different types
|
---|
772 | for (var i = 0; i < inst.options.layout.length; i++) {
|
---|
773 | newLayout[i] = '';
|
---|
774 | var keys = inst.options.layout[i].split(inst.options.separator);
|
---|
775 | for (var j = 0; j < keys.length; j++) {
|
---|
776 | if (this._isControl(keys[j])) {
|
---|
777 | continue;
|
---|
778 | }
|
---|
779 | if (inst.options.randomiseAll) {
|
---|
780 | others.push(keys[j]);
|
---|
781 | }
|
---|
782 | else if (inst.options.isNumeric(keys[j])) {
|
---|
783 | numerics.push(keys[j]);
|
---|
784 | }
|
---|
785 | else if (inst.options.isAlphabetic(keys[j])) {
|
---|
786 | alphas.push(keys[j]);
|
---|
787 | }
|
---|
788 | else {
|
---|
789 | others.push(keys[j]);
|
---|
790 | }
|
---|
791 | }
|
---|
792 | }
|
---|
793 | // Shuffle them
|
---|
794 | if (inst.options.randomiseNumeric) {
|
---|
795 | this._shuffle(numerics);
|
---|
796 | }
|
---|
797 | if (inst.options.randomiseAlphabetic) {
|
---|
798 | this._shuffle(alphas);
|
---|
799 | }
|
---|
800 | if (inst.options.randomiseOther || inst.options.randomiseAll) {
|
---|
801 | this._shuffle(others);
|
---|
802 | }
|
---|
803 | var n = 0;
|
---|
804 | var a = 0;
|
---|
805 | var o = 0;
|
---|
806 | // And replace them in the layout
|
---|
807 | for (var i = 0; i < inst.options.layout.length; i++) {
|
---|
808 | var keys = inst.options.layout[i].split(inst.options.separator);
|
---|
809 | for (var j = 0; j < keys.length; j++) {
|
---|
810 | newLayout[i] += (this._isControl(keys[j]) ? keys[j] :
|
---|
811 | (inst.options.randomiseAll ? others[o++] :
|
---|
812 | (inst.options.isNumeric(keys[j]) ? numerics[n++] :
|
---|
813 | (inst.options.isAlphabetic(keys[j]) ? alphas[a++] :
|
---|
814 | others[o++])))) + inst.options.separator;
|
---|
815 | }
|
---|
816 | }
|
---|
817 | return newLayout;
|
---|
818 | },
|
---|
819 |
|
---|
820 | /* Is a given character a control character?
|
---|
821 | @param ch (char) the character to test
|
---|
822 | @return (boolean) true if a control character, false if not */
|
---|
823 | _isControl: function(ch) {
|
---|
824 | return ch < ' ';
|
---|
825 | },
|
---|
826 |
|
---|
827 | /* Is a given character alphabetic?
|
---|
828 | @param ch (char) the character to test
|
---|
829 | @return (boolean) true if alphabetic, false if not */
|
---|
830 | isAlphabetic: function(ch) {
|
---|
831 | return (ch >= 'A' && ch <= 'Z') || (ch >= 'a' && ch <= 'z');
|
---|
832 | },
|
---|
833 |
|
---|
834 | /* Is a given character numeric?
|
---|
835 | @param ch (char) the character to test
|
---|
836 | @return (boolean) true if numeric, false if not */
|
---|
837 | isNumeric: function(ch) {
|
---|
838 | return (ch >= '0' && ch <= '9');
|
---|
839 | },
|
---|
840 |
|
---|
841 | /* Convert a character to upper case.
|
---|
842 | @param ch (char) the character to convert
|
---|
843 | @return (char) its uppercase version */
|
---|
844 | toUpper: function(ch) {
|
---|
845 | return ch.toUpperCase();
|
---|
846 | },
|
---|
847 | /* Randomise the contents of an array.
|
---|
848 | @param values (string[]) the array to rearrange */
|
---|
849 | _shuffle: function(values) {
|
---|
850 | for (var i = values.length - 1; i > 0; i--) {
|
---|
851 | var j = Math.floor(Math.random() * values.length);
|
---|
852 | var ch = values[i];
|
---|
853 | values[i] = values[j];
|
---|
854 | values[j] = ch;
|
---|
855 | }
|
---|
856 | }
|
---|
857 | });
|
---|
858 |
|
---|
859 | // The list of commands that return values and don't permit chaining
|
---|
860 | var getters = ['isDisabled'];
|
---|
861 |
|
---|
862 | /* Determine whether a command is a getter and doesn't permit chaining.
|
---|
863 | @param command (string, optional) the command to run
|
---|
864 | @param otherArgs ([], optional) any other arguments for the command
|
---|
865 | @return true if the command is a getter, false if not */
|
---|
866 | function isNotChained(command, otherArgs) {
|
---|
867 | if (command == 'option' && (otherArgs.length == 0 ||
|
---|
868 | (otherArgs.length == 1 && typeof otherArgs[0] == 'string'))) {
|
---|
869 | return true;
|
---|
870 | }
|
---|
871 | return $.inArray(command, getters) > -1;
|
---|
872 | }
|
---|
873 |
|
---|
874 | /* Invoke the keypad functionality.
|
---|
875 | @param options (object) the new settings to use for these instances (optional) or
|
---|
876 | (string) the command to run (optional)
|
---|
877 | @return (jQuery) for chaining further calls or
|
---|
878 | (any) getter value */
|
---|
879 | $.fn.keypad = function(options) {
|
---|
880 | var otherArgs = Array.prototype.slice.call(arguments, 1);
|
---|
881 | if (isNotChained(options, otherArgs)) {
|
---|
882 | return plugin['_' + options + 'Plugin'].apply(plugin, [this[0]].concat(otherArgs));
|
---|
883 | }
|
---|
884 | return this.each(function() {
|
---|
885 | if (typeof options == 'string') {
|
---|
886 | if (!plugin['_' + options + 'Plugin']) {
|
---|
887 | throw 'Unknown command: ' + options;
|
---|
888 | }
|
---|
889 | plugin['_' + options + 'Plugin'].apply(plugin, [this].concat(otherArgs));
|
---|
890 | }
|
---|
891 | else {
|
---|
892 | plugin._attachPlugin(this, options || {});
|
---|
893 | }
|
---|
894 | });
|
---|
895 | };
|
---|
896 |
|
---|
897 | /* Initialise the keypad functionality. */
|
---|
898 | var plugin = $.keypad = new Keypad(); // Singleton instance
|
---|
899 |
|
---|
900 | // Add the keypad division and external click check
|
---|
901 | $(function() {
|
---|
902 | $(document.body).append(plugin.mainDiv).
|
---|
903 | mousedown(plugin._checkExternalClick);
|
---|
904 | });
|
---|
905 |
|
---|
906 | })(jQuery);
|
---|