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annotate src/implab/di/ValueDescriptor.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 93fb6c09f2e1
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1 define([ "dojo/_base/declare", "./Descriptor", "../safe" ],
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2
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3 function(declare, Descriptor, safe) {
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4 return declare(Descriptor, {
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5 _value : undefined,
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6 _raw : false,
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7 constructor : function(value, raw) {
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8 this._value = value;
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9 this._raw = Boolean(raw);
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10 },
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11
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12 activate : function(context, name) {
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13 context.enter(name, this);
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14 var v = this._raw ? this._value : context.parse(
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15 this._value,
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16 ".params");
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17 context.leave(this);
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18 return v;
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19 },
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20
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21 isInstanceCreated : function() {
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22 return this._raw;
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23 },
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24
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25 getInstance : function() {
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26 if (!this._raw)
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27 throw new Error("The instance isn't constructed");
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28 return this._value;
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29 },
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30
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31 toString : function() {
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32 if (this._raw)
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33 return "@value {raw}";
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34 else
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35 return safe.isNull(this._value) ? "@value <null>" : "@value";
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36 }
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37 });
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38 });