177 lines
5.8 KiB
JavaScript
177 lines
5.8 KiB
JavaScript
/*
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* Copyright (c) 2015 Alex Yatskov <alex@foosoft.net>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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(function(hscd) {
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'use strict';
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var _ctx = {};
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function onAdjust(name, value) {
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_ctx.query.features[name] = value;
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$.getJSON('/query', _ctx.query, function(results) {
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saveSnapshot(results);
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outputSnapshot(results, true);
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});
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}
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function onReady(geo) {
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_ctx = {
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geo: geo,
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query: {}
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};
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$('#minScore,#hintSteps,#walkingDist,#maxResults').change(onSearch);
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$('#profileDlg').on('hidden.bs.modal', onSearch);
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window.accessReview = function(id) {
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$.getJSON('/access', {id: id, profile: localStorage}, function(results) {
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if (results.success) {
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location.replace(results.url);
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}
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});
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};
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onSearch();
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}
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function onSearch() {
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_ctx.query = {
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features: _ctx.query.features || {},
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range: { min: -1.0, max: 1.0 },
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profile: localStorage,
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walkingDist: parseFloat($('#walkingDist').val()),
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minScore: parseFloat($('#minScore').val()),
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hintSteps: parseInt($('#hintSteps').val()),
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maxResults: parseInt($('#maxResults').val())
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};
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if (_ctx.geo) {
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_ctx.query.geo = {
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latitude: _ctx.geo.coords.latitude,
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longitude: _ctx.geo.coords.longitude
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};
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}
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$.getJSON('/query', _ctx.query, function(results) {
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if (!_.has(_ctx, 'grapher')) {
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_ctx.grapher = new grapher.Grapher({
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canvas: new Snap('#svg'),
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steps: _ctx.query.hintSteps,
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range: _ctx.query.range,
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onValueChanged: onAdjust,
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useLocalScale: true,
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useRelativeScale: true
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});
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$('#useLocalScale').click(function() {
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var useLocalScale = $('#useLocalScale').is(':checked');
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_ctx.grapher.setUseLocalScale(useLocalScale);
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});
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$('#useRelativeScale').click(function() {
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var useRelativeScale = $('#useRelativeScale').is(':checked');
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_ctx.grapher.setUseRelativeScale(useRelativeScale);
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});
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var columns = {};
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for (var feature in results.columns) {
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var column = results.columns[feature];
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_ctx.query.features[feature] = column.value;
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columns[feature] = {
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value: column.value,
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hints: column.hints
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};
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}
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_ctx.grapher.setColumns(columns);
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}
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saveSnapshot(results);
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outputSnapshot(results, false);
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});
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}
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function saveSnapshot(results) {
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window.history.pushState(results);
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}
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function outputSnapshot(results, omitValues) {
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var columns = {};
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for (var name in results.columns) {
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var column = results.columns[name];
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columns[name] = omitValues ? _.omit(column, 'value') : column;
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_ctx.query.features[name] = column.value;
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}
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_ctx.grapher.setColumns(columns);
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outputMatches(results.items, results.count);
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}
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function outputMatches(results, count) {
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var searchResultCnt = String(results.length);
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if (results.length < count) {
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searchResultCnt += ' of ' + count;
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}
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$('#resultCount').text(searchResultCnt);
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var template = Handlebars.compile($('#template').html());
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$('#results').empty();
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$('#results').append(
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template({ results: results })
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);
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if (results.length === 0) {
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$('#resultPanel').slideUp();
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}
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else {
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$('#resultPanel').slideDown();
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}
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}
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window.onpopstate = function(state) {
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if (state.state) {
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outputSnapshot(state.state, false);
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}
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};
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$(document).on({
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ajaxStart: function() {
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$('#spinner').show();
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},
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ajaxStop: function() {
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$('#spinner').hide();
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},
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ready: function() {
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if (navigator.geolocation) {
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navigator.geolocation.getCurrentPosition(
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function(geo) { onReady(geo); },
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function(err) { onReady(null); },
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{ enableHighAccuracy: true }
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);
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}
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else {
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onReady(null);
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}
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}
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});
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}(window.hscd = window.hscd || {}));
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