69 lines
2.1 KiB
JavaScript
69 lines
2.1 KiB
JavaScript
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cdb.admin.carto = cdb.admin.carto || {};
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cdb.admin.carto.torque_cat = {
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sql: function(categories, column) {
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function _normalizeValue(v) {
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return v.replace(/\n/g,'\\n').replace(/\"/g, "\\\"");
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}
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var s = ['select *, (CASE'];
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torque_cat = 1;
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for(var c in categories) {
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var cat = categories[c];
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var value;
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if (cat.title_type !== "string" || cat.title === null) {
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if (cat.title === cdb.admin.carto.category.others_value) {
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value = undefined;
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} else {
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value = cat.title;
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}
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} else {
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value = "\'" + _normalizeValue(cat.title) + "\'";
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}
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if (value !== undefined) {
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if (value === null) {
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s.push('WHEN "' + column + '" is ' + value + ' THEN ' + (torque_cat) );
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} else {
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s.push('WHEN "' + column + '" = ' + value + ' THEN ' + (torque_cat) );
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}
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torque_cat += 1;
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}
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}
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s.push('ELSE ' + torque_cat + ' END) as torque_category FROM __wrapped _cdb_wrap');
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return s.join(' ');
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},
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generate: function(table, props, changed, callback) {
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var self = this;
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// return torque cateogries form real categories
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function torque_categories(categories) {
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return _.map(categories, function(c, i) {
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c = _.clone(c);
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c.title = i + 1;
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c.title_type = 'number';
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return c;
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});
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}
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var cat = cdb.admin.carto.category;
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props['torque-aggregation-function'] = 'CDB_Math_Mode(torque_category)';
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cdb.admin.carto.torque.torque_generator(table, props, changed, function(css) {
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function gen(colors) {
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// modify to assign one integer for each cat
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var cats = torque_categories(colors);
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var sql = self.sql(colors, props.property_cat);
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callback(css + cat.generate_categories(props, table, cats, 'value'), colors, sql);
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}
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// if changed generate again if not reuse existing ones
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if (changed.property_cat || !props.categories || props.categories.length === 0) {
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cat.get_categories(props.property_cat, table, gen);
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} else {
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gen(props.categories);
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}
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});
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}
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};
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