annotate src/implab/components/_ActivatableMixin.js @ 3:00779cb63b12

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date Tue, 06 Jun 2017 19:45:32 +0300
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1 define(["dojo/_base/declare", "../guard", "./StateMachine", "../log/_LogMixin", ], function (declare, guard, StateMachine, _LogMixin) {
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3 var states = {
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4 inactive: {
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5 activate: "activating"
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6 },
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7 activating: {
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8 success: "active",
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9 failed: "inactive"
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10 },
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11 active: {
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12 deactivate: "deactivating"
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13 },
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14 deactivating: {
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15 success: "inactive",
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16 failed: "active"
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17 }
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18 };
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19
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20 return declare([_LogMixin], {
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21 _controller: null,
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22
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23 _active: null,
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24
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25 constructor: function () {
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26 this._active = new StateMachine({
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27 states: states,
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28 initial: "inactive"
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29 });
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30 },
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31
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32 /**
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33 * @returns {Object} контроллер для активации текущей компоненты
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34 */
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35 getController: function () {
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36 return this._controller;
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37 },
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38
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39 /**
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40 * @param {Object}
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41 * v Контроллер для активации текущей компоненты
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42 */
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43 setController: function (v) {
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44 this._controller = v;
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45 },
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46
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47 /**
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48 * @returns {Boolean} текущая компонента активна
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49 */
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50 isActive: function () {
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51 return this._active.current == "active";
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52 },
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53
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54 assertActive: function () {
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55 if (!this.isActive())
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56 throw new Error("The object must be active to perform the operation");
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57 },
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58
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59 /**
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60 * Активирует текущую компоненту, если у текущей компоненты задан
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61 * контроллер, то активация будет осуществляться через него
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62 *
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63 * @async
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64 * @param{Boolean}
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65 * direct вызов должен осуществится напрямую, без участия
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66 * контроллера.
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67 * @return{Boolean} успешно/неуспешно
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68 */
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69 activate: function (direct) {
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70 var me = this;
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71 if (!direct && this._controller)
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72 return me._controller.activate(me).then(function () {
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73 me.onActivated();
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74 });
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75
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76 me._active.move("activate");
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77 return guard(me, "onActivating").then(function () {
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78 me.log("Activated");
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79 me._active.move("success");
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80 if (!me._controller)
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81 me.onActivated();
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82 }, function (err) {
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83 console.error(err);
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84 me.error("Activation failed: {0}", err);
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85 me._active.move("failed");
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86 throw err;
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87 });
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88 },
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89
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90 /**
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91 * Деактивирует текущую компоненту, если у компоненты задан контроллер,
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92 * то деактивация будет осуществляться через него.
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93 *
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94 * @async
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95 * @param{Boolean} direct вызов должен осуществится напрямую, без
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96 * участия контроллера.
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97 *
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98 */
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99 deactivate: function (direct) {
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100 var me = this;
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101 if (!direct && me._controller)
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102 return me._controller.deactivate(me).then(function () {
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103 me.onDeactivated();
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104 });
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105
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106 me._active.move("deactivate");
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107 return guard(me, "onDeactivating").then(function () {
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108 me.log("Deactivated");
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109 me._active.move("success");
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110 if (!me._controller)
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111 me.onDeactivated();
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112 }, function (err) {
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113 console.error(err);
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114 me.error("Deactivation failed: {0}", err);
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115 me.move("failed");
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116 throw err;
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117 });
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118
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119 },
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120
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121 toogleActive: function () {
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122 var me = this;
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123 return (me.isActive() ? me.deactivate() : me.activate()).then(function () {
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124 return me.isActive();
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125 });
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126 },
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127
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128 /**
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129 * Событие вызывается перед активацией текущей компоненты
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130 *
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131 * @returns{Boolean|undefined} если false - активация будет отменена
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132 */
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133 onActivating: function () {},
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134
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135 /**
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136 * Событие вызывается перед деактивацией текущей компоненты
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137 *
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138 * @returns {Boolean|undefined} если false - деактивация будет отменена
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139 */
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140 onDeactivating: function () {},
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141
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142 /**
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143 * Событие вызывается после активации текущей компоненты
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144 */
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145 onActivated: function () {},
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146
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147 /**
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148 * Событие вызывается после деактивации текущей компоненты
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149 */
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150 onDeactivated: function () {}
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151
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152 });
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153 });