|
| 1 | +<script> |
| 2 | +import * as d3 from "d3"; |
| 3 | +
|
| 4 | +import { mapColor } from "@/util/colors"; |
| 5 | +
|
| 6 | +export default { |
| 7 | + name: "BiomeTreemap", |
| 8 | + components: {}, |
| 9 | + inject: ["girderRest"], |
| 10 | + props: { |
| 11 | + filter: { |
| 12 | + type: Object, |
| 13 | + required: false |
| 14 | + }, |
| 15 | + selections: { |
| 16 | + type: Array, |
| 17 | + required: false, |
| 18 | + default: () => [] |
| 19 | + } |
| 20 | + }, |
| 21 | + computed: { |
| 22 | + treemapData() { |
| 23 | + if (!this.biomeCounts) { |
| 24 | + return null; |
| 25 | + } |
| 26 | + var data = { |
| 27 | + name: "biome", |
| 28 | + children: this.biomeCounts.map(biome => ({ |
| 29 | + id: biome.key.replace(/ /g, "-"), |
| 30 | + name: biome.key, |
| 31 | + value: biome.count |
| 32 | + })) |
| 33 | + }; |
| 34 | + return d3 |
| 35 | + .hierarchy(data) |
| 36 | + .sum(d => d.value) |
| 37 | + .sort((a, b) => b.value - a.value); |
| 38 | + } |
| 39 | + }, |
| 40 | + asyncComputed: { |
| 41 | + async biomeCounts() { |
| 42 | + var params = {}; |
| 43 | + if (this.filter) { |
| 44 | + params["filter"] = this.filter; |
| 45 | + } |
| 46 | + var { data: meta } = await this.girderRest.get("meta", { params }); |
| 47 | + return meta.biome; |
| 48 | + } |
| 49 | + }, |
| 50 | + watch: { |
| 51 | + treemapData(value) { |
| 52 | + if (value) { |
| 53 | + this.update(); |
| 54 | + } |
| 55 | + }, |
| 56 | + selections() { |
| 57 | + this.update(); |
| 58 | + } |
| 59 | + }, |
| 60 | + methods: { |
| 61 | + update() { |
| 62 | + var width = this.$el.clientWidth; |
| 63 | + this.width = width; |
| 64 | + var height = this.$el.clientHeight; |
| 65 | + this.height = height; |
| 66 | +
|
| 67 | + var layout = d3 |
| 68 | + .treemap() |
| 69 | + .tile(d3.treemapSquarify) |
| 70 | + .size([width, height]) |
| 71 | + .paddingInner(2); |
| 72 | + var nodes = layout(this.treemapData); |
| 73 | +
|
| 74 | + var svg = d3.select(this.$el); |
| 75 | + svg |
| 76 | + .selectAll(".leaf") |
| 77 | + .data(nodes.leaves(), d => d.data.name) |
| 78 | + .join( |
| 79 | + enter => { |
| 80 | + var leaf = enter |
| 81 | + .append("div") |
| 82 | + .attr("class", "leaf") |
| 83 | + .classed( |
| 84 | + "selected", |
| 85 | + d => this.selections.indexOf(d.data.name) !== -1 |
| 86 | + ) |
| 87 | + .attr( |
| 88 | + "title", |
| 89 | + d => |
| 90 | + `${d |
| 91 | + .ancestors() |
| 92 | + .reverse() |
| 93 | + .map(d => d.data.name) |
| 94 | + .join(" / ")}\n${d.value}` |
| 95 | + ) |
| 96 | + .style("left", d => `${d.x0}px`) |
| 97 | + .style("top", d => `${d.y0}px`) |
| 98 | + .style("width", d => `${d.x1 - d.x0}px`) |
| 99 | + .style("height", d => `${d.y1 - d.y0}px`) |
| 100 | + .style("background-color", d => mapColor("biome", d.data.name)) |
| 101 | + .on("click", d => { |
| 102 | + var index = this.selections.indexOf(d.data.name); |
| 103 | + if (index !== -1) { |
| 104 | + var selections = this.selections.slice(); |
| 105 | + selections.splice(index, 1); |
| 106 | + this.$emit("update:selections", selections); |
| 107 | + } else { |
| 108 | + this.$emit("update:selections", [ |
| 109 | + ...this.selections, |
| 110 | + d.data.name |
| 111 | + ]); |
| 112 | + } |
| 113 | + }); |
| 114 | +
|
| 115 | + leaf |
| 116 | + .append("div") |
| 117 | + .attr("class", "leaf-title") |
| 118 | + .text(d => { |
| 119 | + if (d.y1 - d.y0 < 14) { |
| 120 | + return; |
| 121 | + } |
| 122 | + if (d.x1 - d.x0 < d.data.name.length * 10) { |
| 123 | + return; |
| 124 | + } |
| 125 | + return d.data.name; |
| 126 | + }); |
| 127 | +
|
| 128 | + leaf |
| 129 | + .append("div") |
| 130 | + .attr("class", "leaf-value") |
| 131 | + .text(d => d.data.value); |
| 132 | + }, |
| 133 | + update => { |
| 134 | + var leaf = update |
| 135 | + .classed( |
| 136 | + "selected", |
| 137 | + d => this.selections.indexOf(d.data.name) !== -1 |
| 138 | + ) |
| 139 | + .transition() |
| 140 | + .duration(300) |
| 141 | + .style("left", d => `${d.x0}px`) |
| 142 | + .style("top", d => `${d.y0}px`) |
| 143 | + .style("width", d => `${d.x1 - d.x0}px`) |
| 144 | + .style("height", d => `${d.y1 - d.y0}px`) |
| 145 | + .style("background-color", d => mapColor("biome", d.data.name)); |
| 146 | +
|
| 147 | + leaf.select(".leaf-title").text(d => { |
| 148 | + if (d.y1 - d.y0 < 14) { |
| 149 | + return; |
| 150 | + } |
| 151 | + if (d.x1 - d.x0 < d.data.name.length * 10) { |
| 152 | + return; |
| 153 | + } |
| 154 | + return d.data.name; |
| 155 | + }); |
| 156 | + leaf.select(".leaf-value").text(d => d.data.value); |
| 157 | + }, |
| 158 | + remove => { |
| 159 | + remove |
| 160 | + .transition() |
| 161 | + .duration(300) |
| 162 | + .style("width", "0px") |
| 163 | + .style("height", "0px") |
| 164 | + .remove(); |
| 165 | + } |
| 166 | + ); |
| 167 | + } |
| 168 | + } |
| 169 | +}; |
| 170 | +</script> |
| 171 | + |
| 172 | +<template> |
| 173 | + <div class="biome-treemap"></div> |
| 174 | +</template> |
| 175 | + |
| 176 | +<style lang="scss" scoped> |
| 177 | +.biome-treemap { |
| 178 | + height: 100%; |
| 179 | + position: relative; |
| 180 | +} |
| 181 | +</style> |
| 182 | + |
| 183 | +<style lang="scss"> |
| 184 | +.biome-treemap { |
| 185 | + overflow: hidden; |
| 186 | +
|
| 187 | + .leaf { |
| 188 | + position: absolute; |
| 189 | + overflow: hidden; |
| 190 | + transition: transform 0.4s; |
| 191 | +
|
| 192 | + &:hover { |
| 193 | + transition: transform 0.2s; |
| 194 | + transform: scale(0.98); |
| 195 | + } |
| 196 | +
|
| 197 | + &.selected { |
| 198 | + border: solid 2px black; |
| 199 | + } |
| 200 | +
|
| 201 | + .leaf-title { |
| 202 | + margin: 10px 0 0 10px; |
| 203 | + color: white; |
| 204 | + } |
| 205 | +
|
| 206 | + .leaf-value { |
| 207 | + margin: 0 0 0 10px; |
| 208 | + color: rgba(255, 255, 255, 0.589); |
| 209 | + font-size: 20px; |
| 210 | + } |
| 211 | + } |
| 212 | +} |
| 213 | +</style> |
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