cartodb/lib/assets/javascripts/builder/helpers/style.js

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2020-06-15 10:58:47 +08:00
var _ = require('underscore');
var ParserCSS = require('builder/helpers/parser-css');
var LegendColorHelper = require('builder/editor/layers/layer-content-views/legend/form/legend-color-helper');
module.exports = {
getStyleAttrs: function (styleModel) {
if (!styleModel) return;
var fill = styleModel.get('fill');
var stroke = styleModel.get('stroke');
if (!fill && !stroke || _.isEmpty(fill) && _.isEmpty(stroke)) return;
return {
fill: fill,
stroke: stroke
};
},
getColorAttribute: function (styleModel) {
var color = this.getColor(styleModel);
return color && color.attribute;
},
getSizeAttribute: function (styleModel) {
var size = this.getSize(styleModel);
return size && size.attribute;
},
getColor: function (styleModel) {
var style = this.getStyleAttrs(styleModel);
var color = style ? (style.fill && style.fill.color || style.stroke && style.stroke.color) : null;
return color;
},
getSize: function (styleModel) {
var style = this.getStyleAttrs(styleModel);
var size = style ? (style.fill && style.fill.size || style.stroke && style.stroke.size) : null;
return size;
},
getColorsFromRange: function (styleModel) {
var color = this.getColor(styleModel);
if (!(color && color.range)) { return []; }
return color.range.map(function (v, index) {
return { color: v };
});
},
getHeatmapColors: function (layerDefinitionModel) {
var changed = layerDefinitionModel.styleModel && layerDefinitionModel.styleModel.hasChanged();
if (changed) {
return this.getColorsFromRange(layerDefinitionModel.styleModel);
}
var content = layerDefinitionModel.cartocssModel.get('content');
var parser = new ParserCSS(content);
return parser.colorsUsedForLegend({ mode: 'hex' });
},
getStyleCategories: function (styleModel) {
var color = this.getColor(styleModel);
if (!color) { return []; }
if (color.range) {
return color.range.map(function (v, index) {
return {
color: v,
title: color.domain && LegendColorHelper.unquoteColor(color.domain[index]) || _t('editor.legend.legend-form.others'),
icon: color.images && color.images[index] || ''
};
});
}
if (color.fixed) {
return [{
color: color.fixed,
icon: color.image || '',
title: ''
}];
}
return [];
}
};