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| 1 | +/** @odoo-module */ |
| 2 | + |
| 3 | +/** |
| 4 | + * Copyright 2024 APSL-Nagarro |
| 5 | + */ |
| 6 | + |
| 7 | +/* global chroma, geostats */ |
| 8 | + |
| 9 | +import {GeoengineRenderer} from "@base_geoengine/js/views/geoengine/geoengine_renderer/geoengine_renderer.esm"; |
| 10 | +import {patch} from "@web/core/utils/patch"; |
| 11 | + |
| 12 | +/* CONSTANTS */ |
| 13 | +const DEFAULT_BEGIN_COLOR = "#FFFFFF"; |
| 14 | +const DEFAULT_END_COLOR = "#000000"; |
| 15 | +const LEGEND_MAX_ITEMS = 10; |
| 16 | +const DEFAULT_NUM_CLASSES = 5; |
| 17 | + |
| 18 | +patch(GeoengineRenderer.prototype, "geoengine_renderer_view_patch", { |
| 19 | + styleVectorLayerColored(cfg, data) { |
| 20 | + var indicator = cfg.attribute_field_id[1]; |
| 21 | + var values = this.extractLayerValues(cfg, data); |
| 22 | + var nb_class = cfg.nb_class || DEFAULT_NUM_CLASSES; |
| 23 | + var opacity = cfg.layer_opacity; |
| 24 | + var begin_color_hex = cfg.begin_color || DEFAULT_BEGIN_COLOR; |
| 25 | + var end_color_hex = cfg.end_color || DEFAULT_END_COLOR; |
| 26 | + var begin_color = chroma(begin_color_hex).alpha(opacity).css(); |
| 27 | + var end_color = chroma(end_color_hex).alpha(opacity).css(); |
| 28 | + // Function that maps numeric values to a color palette. |
| 29 | + // This scale function is only used when geo_repr is basic |
| 30 | + var scale = chroma.scale([begin_color, end_color]); |
| 31 | + var serie = new geostats(values); |
| 32 | + var vals = null; |
| 33 | + switch (cfg.classification) { |
| 34 | + case "unique": |
| 35 | + case "custom": |
| 36 | + vals = serie.getClassUniqueValues(); |
| 37 | + // "RdYlBu" is a set of colors |
| 38 | + scale = chroma.scale("RdYlBu").domain([0, vals.length], vals.length); |
| 39 | + break; |
| 40 | + case "quantile": |
| 41 | + serie.getClassQuantile(nb_class); |
| 42 | + vals = serie.getRanges(); |
| 43 | + scale = scale.domain([0, vals.length], vals.length); |
| 44 | + break; |
| 45 | + case "interval": |
| 46 | + serie.getClassEqInterval(nb_class); |
| 47 | + vals = serie.getRanges(); |
| 48 | + scale = scale.domain([0, vals.length], vals.length); |
| 49 | + break; |
| 50 | + } |
| 51 | + let colors = []; |
| 52 | + if (cfg.classification === "custom") { |
| 53 | + colors = vals |
| 54 | + .filter((val) => val) |
| 55 | + .map((val) => chroma(val).alpha(opacity).css()); |
| 56 | + } else { |
| 57 | + colors = scale |
| 58 | + .colors(vals.length) |
| 59 | + .map((color) => chroma(color).alpha(opacity).css()); |
| 60 | + } |
| 61 | + const styles_map = this.createStylesWithColors(colors); |
| 62 | + let legend = null; |
| 63 | + if (vals.length <= LEGEND_MAX_ITEMS) { |
| 64 | + legend = serie.getHtmlLegend(colors, cfg.name, 1); |
| 65 | + for (let i = 0; i < data.length; i++) { |
| 66 | + legend = legend.replace( |
| 67 | + data[i]._values[cfg.attribute_field_id[1]], |
| 68 | + data[i]._values.stage_name |
| 69 | + ); |
| 70 | + } |
| 71 | + } |
| 72 | + return { |
| 73 | + style: (feature) => { |
| 74 | + const value = feature.get("attributes")[indicator]; |
| 75 | + const color_idx = this.getClass(value, vals); |
| 76 | + var label_text = feature.values_.attributes.label; |
| 77 | + if (label_text === false) { |
| 78 | + label_text = ""; |
| 79 | + } else if (label_text !== "") { |
| 80 | + label_text = feature.values_.attributes.stage_name; |
| 81 | + } |
| 82 | + styles_map[colors[color_idx]][0].text_.text_ = label_text.toString(); |
| 83 | + return styles_map[colors[color_idx]]; |
| 84 | + }, |
| 85 | + legend, |
| 86 | + }; |
| 87 | + }, |
| 88 | + async onLayerChanged(vector, layer) { |
| 89 | + layer.setSource(null); |
| 90 | + const element = document.getElementById(`legend-${vector.resId}`); |
| 91 | + if (element !== null) { |
| 92 | + element.remove(); |
| 93 | + } |
| 94 | + if (vector.model) { |
| 95 | + this.cfg_models.push(vector.model); |
| 96 | + const fields_to_read = [vector.geo_field_id[1]]; |
| 97 | + if (vector.attribute_field_id) { |
| 98 | + fields_to_read.push(vector.attribute_field_id[1]); |
| 99 | + } |
| 100 | + const data = await this.getModelData(vector, fields_to_read); |
| 101 | + this.styleVectorLayerAndLegend(vector, data, layer); |
| 102 | + this.useRelatedModel(vector, layer, data); |
| 103 | + } else { |
| 104 | + const data = []; |
| 105 | + for (const record of this.props.data.records) { |
| 106 | + if ( |
| 107 | + vector.attribute_field_id[1] === "custom_color" && |
| 108 | + typeof record.data[vector.attribute_field_id[1]] === "string" |
| 109 | + ) { |
| 110 | + record.data[vector.attribute_field_id[1]] = parseInt( |
| 111 | + record.data[vector.attribute_field_id[1]].split("#")[1], |
| 112 | + 16 |
| 113 | + ); |
| 114 | + } |
| 115 | + data.push(record); |
| 116 | + } |
| 117 | + this.styleVectorLayerAndLegend(vector, data, layer); |
| 118 | + this.addSourceToLayer(data, vector, layer); |
| 119 | + } |
| 120 | + }, |
| 121 | + styleVectorLayerAndLegend(cfg, data, lv) { |
| 122 | + const aux = []; |
| 123 | + for (var i = 0; i < data.length; i++) { |
| 124 | + if ( |
| 125 | + cfg.attribute_field_id[1] === "custom_color" && |
| 126 | + typeof data[i]._values[cfg.attribute_field_id[1]] === "string" |
| 127 | + ) { |
| 128 | + data[i]._values[cfg.attribute_field_id[1]] = parseInt( |
| 129 | + data[i]._values[cfg.attribute_field_id[1]].split("#")[1], |
| 130 | + 16 |
| 131 | + ); |
| 132 | + } |
| 133 | + aux.push(data[i]); |
| 134 | + } |
| 135 | + const styleInfo = this.styleVectorLayer(cfg, aux); |
| 136 | + this.initLegend(styleInfo, cfg); |
| 137 | + lv.setStyle(styleInfo.style); |
| 138 | + }, |
| 139 | +}); |
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