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annotate src/implab/components/_ActivatableMixin.js @ 0:fc2517695ee1

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Initial commit, draft import of existing work
author cin
date Thu, 01 Jun 2017 13:20:03 +0300
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children 7d7059d2a810
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1 define([ "dojo/_base/declare", "./guard", "./StateMachine", "./_LogMixin", ],
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2
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3 function(declare, guard, StateMachine, _LogMixin) {
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4
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5 var states = {
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6 inactive : {
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7 activate : "activating"
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8 },
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9 activating : {
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10 success : "active",
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11 failed : "inactive"
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12 },
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13 active : {
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14 deactivate : "deactivating"
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15 },
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16 deactivating : {
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17 success : "inactive",
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18 failed : "active"
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19 }
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20 };
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21
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22 return declare([ _LogMixin ], {
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23 _controller : null,
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24
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25 _active : null,
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26
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27 constructor : function() {
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28 this._active = new StateMachine({
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29 states : states,
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30 initial : "inactive"
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31 });
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32 },
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33
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34 /**
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35 * @returns {Object} контроллер для активации текущей компоненты
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36 */
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37 getController : function() {
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38 return this._controller;
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39 },
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40
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41 /**
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42 * @param {Object}
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43 * v Контроллер для активации текущей компоненты
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44 */
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45 setController : function(v) {
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46 this._controller = v;
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47 },
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48
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49 /**
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50 * @returns {Boolean} текущая компонента активна
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51 */
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52 isActive : function() {
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53 return this._active.current == "active";
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54 },
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55
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56 assertActive : function() {
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57 if (!this.isActive())
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58 throw new Error("The object must be active to perform the operation");
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59 },
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60
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61 /**
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62 * Активирует текущую компоненту, если у текущей компоненты задан
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63 * контроллер, то активация будет осуществляться через него
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64 *
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65 * @async
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66 * @param{Boolean}
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67 * direct вызов должен осуществится напрямую, без участия
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68 * контроллера.
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69 * @return{Boolean} успешно/неуспешно
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70 */
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71 activate : function(direct) {
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72 var me = this;
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73 if (!direct && this._controller)
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74 return me._controller.activate(me).then(function() {
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75 me.onActivated();
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76 });
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77
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78 me._active.move("activate");
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79 return guard(me, "onActivating").then(function() {
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80 me.log("Activated");
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81 me._active.move("success");
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82 if (!me._controller)
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83 me.onActivated();
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84 }, function(err) {
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85 console.error(err);
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86 me.error("Activation failed: {0}", err);
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87 me._active.move("failed");
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88 throw err;
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89 });
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90 },
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91
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92 /**
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93 * Деактивирует текущую компоненту, если у компоненты задан контроллер,
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94 * то деактивация будет осуществляться через него.
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95 *
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96 * @async
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97 * @param{Boolean} direct вызов должен осуществится напрямую, без
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98 * участия контроллера.
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99 *
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100 */
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101 deactivate : function(direct) {
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102 var me = this;
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103 if (!direct && me._controller)
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104 return me._controller.deactivate(me).then(function() {
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105 me.onDeactivated();
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106 });
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107
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108 me._active.move("deactivate");
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109 return guard(me, "onDeactivating").then(function() {
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110 me.log("Deactivated");
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111 me._active.move("success");
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112 if (!me._controller)
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113 me.onDeactivated();
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114 }, function(err) {
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115 console.error(err);
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116 me.error("Deactivation failed: {0}", err);
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117 me.move("failed");
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118 throw err;
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119 });
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120
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121 },
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122
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123 toogleActive : function() {
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124 var me = this;
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125 return (me.isActive() ? me.deactivate() : me.activate()).then(function() {
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126 return me.isActive();
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127 });
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128 },
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129
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130 /**
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131 * Событие вызывается перед активацией текущей компоненты
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132 *
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133 * @returns{Boolean|undefined} если false - активация будет отменена
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134 */
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135 onActivating : function() {
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136 },
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137
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138 /**
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139 * Событие вызывается перед деактивацией текущей компоненты
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140 *
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141 * @returns {Boolean|undefined} если false - деактивация будет отменена
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142 */
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143 onDeactivating : function() {
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144 },
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145
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146 /**
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147 * Событие вызывается после активации текущей компоненты
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148 */
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149 onActivated : function() {
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150 },
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151
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152 /**
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153 * Событие вызывается после деактивации текущей компоненты
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154 */
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155 onDeactivated : function() {
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156 }
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157
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158 });
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159 });