85 lines
2.0 KiB
JavaScript
85 lines
2.0 KiB
JavaScript
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var _ = require('underscore');
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var LegendBaseDefModel = require('./legend-base-definition-model');
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module.exports = LegendBaseDefModel.extend({
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defaults: _.extend({}, LegendBaseDefModel.prototype.defaults,
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{
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type: 'custom_choropleth',
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prefix: '',
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suffix: '',
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colors: [],
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leftLabel: '',
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rightLabel: ''
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}
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),
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parse: function (r, opts) {
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var attrs = LegendBaseDefModel.prototype.parse.call(this, r);
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var fill;
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var stroke;
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var color;
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if (r.definition) {
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attrs.colors = r.definition.colors;
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attrs.prefix = r.definition.prefix;
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attrs.suffix = r.definition.suffix;
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attrs.leftLabel = r.definition.left_label;
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attrs.rightLabel = r.definition.right_label;
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} else {
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fill = opts.layerDefinitionModel.styleModel.get('fill');
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stroke = opts.layerDefinitionModel.styleModel.get('stroke');
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color = fill.color || stroke.color;
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attrs.colors = this._inheritStyleColors(color);
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}
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return attrs;
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},
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toJSON: function () {
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var definition = {
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prefix: this.get('prefix'),
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suffix: this.get('suffix'),
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left_label: this.get('leftLabel'),
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right_label: this.get('rightLabel'),
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colors: this.get('colors').map(function (item) {
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return {
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color: item.color
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};
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})
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};
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return _.extend(
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{},
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_.omit(this.attributes, 'prefix', 'suffix', 'leftLabel', 'rightLabel', 'colors', 'postHTMLSnippet', 'preHTMLSnippet', 'customState'),
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{
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pre_html: this.get('preHTMLSnippet'),
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post_html: this.get('postHTMLSnippet')
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},
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{
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conf: {
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columns: this.get('customState')
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}
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},
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{
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definition: _.pick(definition, _.identity)
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}
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);
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},
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_inheritStyleColors: function (color) {
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var range = 0;
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var colors = [];
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if (color.range) {
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range = color.range.length;
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colors = _.range(range).map(function (v, index) {
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return {
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color: color.range[index]
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};
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});
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}
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return colors;
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}
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});
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