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1 "use strict";
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2 var query_step_1 = require('./query-step');
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3 var query_mode_1 = require('./query-mode');
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4 var QueryState = (function () {
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5 function QueryState() {
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6 this.steps = [];
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7 }
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8 /**
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9 * Sets the query state from a string.
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10 */
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11 QueryState.prototype.setStateFromString = function (newStateString) {
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12 try {
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13 // state string is json
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14 var newState = JSON.parse(newStateString);
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15 // state should be list of steps
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16 if (!Array.isArray(newState))
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17 return;
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18 var newSteps_1 = [];
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19 newState.forEach(function (elem) {
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20 // step is an array [mode, params]
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21 if (!Array.isArray(elem))
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22 return;
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23 var mode = elem[0];
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24 // get QueryMode object
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25 var qm = query_mode_1.getQueryModeById(mode);
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26 var params = elem[1];
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27 if (qm != null && params != null) {
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28 // construct QueryStep
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29 var qs = new query_step_1.QueryStep(qm, params);
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30 newSteps_1.push(qs);
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31 }
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32 });
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33 if (newSteps_1.length > 0) {
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34 // set new state
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35 this.steps = newSteps_1;
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36 }
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37 }
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38 catch (e) {
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39 console.error("Unable to set state from string: " + newStateString);
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40 }
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41 };
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42 QueryState.prototype.getNumSteps = function () {
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43 return this.steps.length;
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44 };
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45 /**
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46 * Returns the current query state as a string.
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47 */
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48 QueryState.prototype.getStateAsString = function () {
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49 var stateList = this.steps.map(function (qs) { return [qs.mode.id, qs.params]; });
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50 var stateStr = JSON.stringify(stateList);
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51 return stateStr;
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52 };
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53 /**
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54 * Returns the cypher query as text for display.
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55 */
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56 QueryState.prototype.getQueryText = function () {
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57 var text = this.resultCypherQuery;
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58 var hasParams = false;
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59 for (var k in this.cypherQueryParams) {
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60 if (!hasParams) {
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61 hasParams = true;
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62 text += '\n';
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63 }
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64 text += "[" + k + "='" + this.cypherQueryParams[k] + "'] ";
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65 }
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66 return text;
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67 };
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68 return QueryState;
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69 }());
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70 exports.QueryState = QueryState;
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71 //# sourceMappingURL=query-state.js.map |
