1 | import Emitter from '../emitter';
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2 | import define from '../define';
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3 | import * as is from '../is';
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4 | import Selector from '../selector';
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5 |
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6 | let emitterOptions = {
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7 | qualifierCompare: function( selector1, selector2 ){
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8 | if( selector1 == null || selector2 == null ){
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9 | return selector1 == null && selector2 == null;
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10 | } else {
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11 | return selector1.sameText( selector2 );
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12 | }
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13 | },
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14 | eventMatches: function( ele, listener, eventObj ){
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15 | let selector = listener.qualifier;
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16 |
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17 | if( selector != null ){
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18 | return ele !== eventObj.target && is.element( eventObj.target ) && selector.matches( eventObj.target );
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19 | }
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20 |
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21 | return true;
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22 | },
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23 | addEventFields: function( ele, evt ){
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24 | evt.cy = ele.cy();
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25 | evt.target = ele;
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26 | },
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27 | callbackContext: function( ele, listener, eventObj ){
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28 | return listener.qualifier != null ? eventObj.target : ele;
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29 | },
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30 | beforeEmit: function( context, listener/*, eventObj*/ ){
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31 | if( listener.conf && listener.conf.once ){
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32 | listener.conf.onceCollection.removeListener( listener.event, listener.qualifier, listener.callback );
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33 | }
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34 | },
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35 | bubble: function(){
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36 | return true;
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37 | },
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38 | parent: function( ele ){
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39 | return ele.isChild() ? ele.parent() : ele.cy();
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40 | }
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41 | };
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42 |
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43 | let argSelector = function( arg ){
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44 | if( is.string(arg) ){
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45 | return new Selector( arg );
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46 | } else {
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47 | return arg;
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48 | }
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49 | };
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50 |
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51 | let elesfn = ({
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52 | createEmitter: function(){
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53 | for( let i = 0; i < this.length; i++ ){
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54 | let ele = this[i];
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55 | let _p = ele._private;
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56 |
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57 | if( !_p.emitter ){
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58 | _p.emitter = new Emitter( emitterOptions, ele );
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59 | }
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60 | }
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61 |
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62 | return this;
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63 | },
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64 |
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65 | emitter: function(){
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66 | return this._private.emitter;
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67 | },
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68 |
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69 | on: function( events, selector, callback ){
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70 | let argSel = argSelector(selector);
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71 |
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72 | for( let i = 0; i < this.length; i++ ){
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73 | let ele = this[i];
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74 |
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75 | ele.emitter().on( events, argSel, callback );
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76 | }
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77 |
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78 | return this;
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79 | },
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80 |
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81 | removeListener: function( events, selector, callback ){
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82 | let argSel = argSelector(selector);
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83 |
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84 | for( let i = 0; i < this.length; i++ ){
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85 | let ele = this[i];
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86 |
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87 | ele.emitter().removeListener( events, argSel, callback );
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88 | }
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89 |
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90 | return this;
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91 | },
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92 |
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93 | removeAllListeners: function(){
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94 | for( let i = 0; i < this.length; i++ ){
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95 | let ele = this[i];
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96 |
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97 | ele.emitter().removeAllListeners();
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98 | }
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99 |
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100 | return this;
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101 | },
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102 |
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103 | one: function( events, selector, callback ){
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104 | let argSel = argSelector(selector);
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105 |
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106 | for( let i = 0; i < this.length; i++ ){
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107 | let ele = this[i];
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108 |
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109 | ele.emitter().one( events, argSel, callback );
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110 | }
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111 |
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112 | return this;
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113 | },
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114 |
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115 | once: function( events, selector, callback ){
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116 | let argSel = argSelector(selector);
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117 |
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118 | for( let i = 0; i < this.length; i++ ){
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119 | let ele = this[i];
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120 |
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121 | ele.emitter().on( events, argSel, callback, {
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122 | once: true,
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123 | onceCollection: this
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124 | } );
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125 | }
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126 | },
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127 |
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128 | emit: function( events, extraParams ){
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129 | for( let i = 0; i < this.length; i++ ){
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130 | let ele = this[i];
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131 |
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132 | ele.emitter().emit( events, extraParams );
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133 | }
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134 |
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135 | return this;
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136 | },
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137 |
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138 | emitAndNotify: function( event, extraParams ){
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139 | if( this.length === 0 ){ return; }
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140 |
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141 |
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142 | this.cy().notify( event, this );
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143 |
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144 | this.emit( event, extraParams );
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145 |
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146 | return this;
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147 | }
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148 | });
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149 |
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150 | define.eventAliasesOn( elesfn );
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151 |
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152 | export default elesfn;
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