1 | define(["dojo/_base/kernel", "dojo/_base/array", "./_base"], function(dojo, darray, dxc){ |
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2 | |
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3 | dxc.Dictionary=function(/*dojox.collections.Dictionary?*/ dictionary){ |
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4 | // summary: |
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5 | // Returns an object of type dojox.collections.Dictionary |
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6 | var items={}; |
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7 | this.count=0; |
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8 | |
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9 | // comparator for property addition and access. |
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10 | var testObject={}; |
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11 | |
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12 | this.add=function(/*string*/ k, /*object*/ v){ |
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13 | // summary: |
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14 | // Add a new item to the Dictionary. |
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15 | var b=(k in items); |
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16 | items[k]=new dxc.DictionaryEntry(k,v); |
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17 | if(!b){ |
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18 | this.count++; |
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19 | } |
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20 | }; |
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21 | this.clear=function(){ |
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22 | // summary: |
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23 | // Clears the internal dictionary. |
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24 | items={}; |
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25 | this.count=0; |
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26 | }; |
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27 | this.clone=function(){ |
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28 | // summary: |
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29 | // Returns a new instance of dojox.collections.Dictionary; note the the dictionary is a clone but items might not be. |
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30 | return new dxc.Dictionary(this); // dojox.collections.Dictionary |
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31 | }; |
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32 | this.contains=this.containsKey=function(/*string*/ k){ |
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33 | // summary: |
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34 | // Check to see if the dictionary has an entry at key "k". |
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35 | if(testObject[k]){ |
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36 | return false; // bool |
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37 | } |
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38 | return (items[k]!=null); // bool |
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39 | }; |
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40 | this.containsValue=function(/*object*/ v){ |
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41 | // summary: |
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42 | // Check to see if the dictionary has an entry with value "v". |
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43 | var e=this.getIterator(); |
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44 | while(e.get()){ |
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45 | if(e.element.value==v){ |
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46 | return true; // bool |
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47 | } |
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48 | } |
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49 | return false; // bool |
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50 | }; |
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51 | this.entry=function(/*string*/ k){ |
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52 | // summary: |
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53 | // Accessor method; similar to dojox.collections.Dictionary.item but returns the actual Entry object. |
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54 | return items[k]; // dojox.collections.DictionaryEntry |
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55 | }; |
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56 | this.forEach=function(/*function*/ fn, /*object?*/ scope){ |
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57 | // summary: |
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58 | // functional iterator, following the mozilla spec. |
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59 | var a=[]; // Create an indexing array |
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60 | for(var p in items) { |
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61 | if(!testObject[p]){ |
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62 | a.push(items[p]); // fill it up |
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63 | } |
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64 | } |
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65 | dojo.forEach(a, fn, scope); |
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66 | }; |
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67 | this.getKeyList=function(){ |
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68 | // summary: |
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69 | // Returns an array of the keys in the dictionary. |
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70 | return (this.getIterator()).map(function(entry){ |
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71 | return entry.key; |
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72 | }); // array |
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73 | }; |
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74 | this.getValueList=function(){ |
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75 | // summary: |
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76 | // Returns an array of the values in the dictionary. |
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77 | return (this.getIterator()).map(function(entry){ |
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78 | return entry.value; |
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79 | }); // array |
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80 | }; |
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81 | this.item=function(/*string*/ k){ |
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82 | // summary: |
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83 | // Accessor method. |
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84 | if(k in items){ |
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85 | return items[k].valueOf(); // object |
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86 | } |
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87 | return undefined; // object |
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88 | }; |
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89 | this.getIterator=function(){ |
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90 | // summary: |
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91 | // Gets a dojox.collections.DictionaryIterator for iteration purposes. |
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92 | return new dxc.DictionaryIterator(items); // dojox.collections.DictionaryIterator |
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93 | }; |
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94 | this.remove=function(/*string*/ k){ |
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95 | // summary: |
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96 | // Removes the item at k from the internal collection. |
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97 | if(k in items && !testObject[k]){ |
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98 | delete items[k]; |
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99 | this.count--; |
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100 | return true; // bool |
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101 | } |
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102 | return false; // bool |
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103 | }; |
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104 | |
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105 | if (dictionary){ |
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106 | var e=dictionary.getIterator(); |
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107 | while(e.get()) { |
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108 | this.add(e.element.key, e.element.value); |
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109 | } |
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110 | } |
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111 | }; |
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112 | return dxc.Dictionary; |
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113 | }); |
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