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restaurant-search/client/application.js

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3.1 KiB
JavaScript
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'use strict';
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(function(hscd) {
var ctx = {};
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function onAdjust(name, value) {
ctx.searchParams[name] = value;
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var params = {
searchParams: ctx.searchParams,
searchRange: ctx.searchRange,
minScore: ctx.minScore,
hintSteps: ctx.hintSteps,
maxResults: ctx.maxResults
};
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$.getJSON('/node/search', params, function(results) {
var hintData = {};
for (var feature in results.columns) {
hintData[feature] = results.columns[feature].hints;
}
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ctx.grapher.setColumnHints(hintData);
outputResults(results.items, params.maxResults);
});
}
function onSearch() {
var params = {
keyword: $('#keyword').val(),
searchRange: { min: -1.0, max: 1.0 },
minScore: parseInt($('#minScore').val()),
hintSteps: parseInt($('#hintSteps').val()),
maxResults: parseInt($('#maxResults').val())
};
$.getJSON('/node/search', params, function(results) {
ctx.searchParams = results.params;
ctx.searchRange = params.searchRange;
ctx.minScore = params.minScore;
ctx.hintSteps = params.hintSteps;
ctx.maxResults = params.maxResults;
ctx.grapher = new Grapher('grapher', ctx.searchRange, true, true);
ctx.grapher.setColumns(results.columns);
ctx.grapher.setValueChangedListener(onAdjust);
outputResults(results.items, params.maxResults);
$('#query').text(params.keyword);
$('#useLocalScale').click(function() {
var useLocalScale = $('#useLocalScale').is(':checked');
ctx.grapher.setUseLocalScale(useLocalScale);
});
$('#useRelativeScale').click(function() {
var useRelativeScale = $('#useRelativeScale').is(':checked');
ctx.grapher.setUseRelativeScale(useRelativeScale);
});
$('#input').fadeOut(function() {
$('#output').fadeIn();
});
});
}
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function outputResults(results, maxResults) {
$('#results').empty();
$('#count').text(results.length);
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results = results.splice(0, maxResults);
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var template = Handlebars.compile($('#template').html());
$('#results').append(template({'results': results}));
}
$(document).ready(function() {
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$(document).on({
ajaxStart: function() {
$('#spinner').show();
},
ajaxStop: function() {
$('#spinner').hide();
}
});
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$.getJSON('/node/keywords', function(keywords) {
for (var i = 0; i < keywords.length; ++i) {
var properties = { value: keywords[i], text: keywords[i] };
$('#keyword').append($('<option></option>', properties));
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}
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$('#search').prop('disabled', false);
$('#search').click(onSearch);
});
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});
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}(window.hscd = window.hscd || {}));