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annotate querySource.js @ 18:5fce4c8f3ebd

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Preliminary version of date stuff added
author jonathandicarlo@jonathan-dicarlos-macbook-pro.local
date Tue, 15 Jul 2008 14:10:17 -0700
parents a26372118854
children
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14
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1 function QuerySource(verbList, nounList) {
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2 this._init(verbList, nounList);
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3 }
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4 QuerySource.prototype = {
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5 _init: function(verbList, nounList) {
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6 this._verbList = verbList; //arrayof Verb objects to use for completions
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7 this._nounTypeList = nounList;
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8 this._lockedInSentence = null;
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9 this._hilitedSuggestion = 0;
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10 this._suggestionList = []; // a list of ParsedSentences.
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11 },
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12
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13 updateSuggestionList: function( query ) {
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14 this._suggestionList = [];
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15 var completions = [];
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16 var x, y;
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17 var nounType, verb;
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18 var words = query.split( " " );
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19 // verb-first matches
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20 for ( x in this._verbList ) {
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21 verb = this._verbList[x];
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22 if ( verb.match( words[0] ) ) {
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23 completions = verb.getCompletions( words.slice(1) );
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24 this._suggestionList = this._suggestionList.concat(completions);
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25 }
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26 }
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27 // noun-first matches
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28 if (this._suggestionList.length == 0 ){
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29 for (x in this._nounTypeList) {
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30 nounType = this._nounTypeList[x];
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31 if (nounType.match( words[0] ) ){
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32 for (y in this._verbList) {
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33 verb = this._verbList[y];
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34 var prefix = verb.canPossiblyUseNounType(nounType);
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35 if (prefix) {
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36 var betterSentence = prefix + " " + query;
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37 words = betterSentence.split( " " );
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38 completions = verb.getCompletions(words.slice(1));
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39 this._suggestionList = this._suggestionList.concat(completions);
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40 }
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41 }
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42 }
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43 }
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44 }
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45
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46 // TODO sort in order of match quality
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47 this._hilitedSuggestion = 1; // hilight the first suggestion by default
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48 },
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49
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50 getSuggestionsAsHtml : function() {
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51 return [ this._suggestionList[x].getDisplayText() for ( x in this._suggestionList ) ];
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52 },
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53
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54 getDescriptionText: function() {
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55 if ( this._suggestionList.length == 0 ) {
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56 return "You got the magic stick. Type some commands!";
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57 }
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58 var h = this._hilitedSuggestion;
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59 if ( h == 0 ) {
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60 return "Executes your input literally, with no autocompletion.";
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61 } else {
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62 h = h - 1;
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63 }
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64 var sentence = this._suggestionList[h];
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65 return sentence.getDescription();
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66 },
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67
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68 indicationDown: function( ) {
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69 this._hilitedSuggestion ++;
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70 if ( this._hilitedSuggestion > this._suggestionList.length ) {
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71 this._hilitedSuggestion = 0;
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72 }
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73 },
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74
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75 indicationUp: function() {
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76 this._hilitedSuggestion --;
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77 if ( this._hilitedSuggestion < 0 ) {
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78 this._hilitedSuggestion = this._suggestionList.length;
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79 }
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80 },
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81
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82 getHilitedSuggestion: function() {
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83 return this._hilitedSuggestion - 1; // because 0 means no hilite
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84 // and the suggestion list starts at 1... fencepost!
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85 },
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86
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87 autocomplete: function( query ) {
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88 var newText;
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89 var hilited = this.getHilitedSuggestion();
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90 if ( hilited > -1 ) {
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91 newText = this._suggestionList[ hilited ].getCompletionText() + " ";
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92 } else {
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93 newText = query;
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94 }
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95 return newText;
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96 },
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97
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98 clear: function() {
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99 this._suggestionList = [];
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100 this._hilitedSuggestion = 0;
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101 this._lockedInSentence = null;
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102 }
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103 };