Mercurial > gemma
annotate client/src/components/TimeSlider.vue @ 5062:da28a58eb10d time-sliding
client: correct showing of time in toolbar according to zoom level(selected time)
author | Fadi Abbud <fadi.abbud@intevation.de> |
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date | Mon, 09 Mar 2020 15:38:00 +0100 |
parents | 37371727f704 |
children | 43bebcc8961f |
rev | line source |
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1 <template> |
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2 <div |
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3 id="slider" |
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4 :class="[ |
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5 'd-flex box ui-element rounded bg-white flex-row', |
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6 { expanded: showTimeSlider } |
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7 ]" |
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8 :style="reposition" |
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9 > |
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10 <div class="d-flex mt-1 mr-1"> |
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11 <input |
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12 class="form-control-sm mr-1" |
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13 type="date" |
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14 v-model="dateSelection" |
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15 min="2015-01-01" |
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16 :max="new Date().toISOString().split('T')[0]" |
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17 /> |
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18 <input |
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19 type="time" |
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20 min="00:00" |
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21 max="23:59" |
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22 v-model="timeSelection" |
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23 class="form-control-sm" |
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24 /> |
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25 </div> |
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26 <div |
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27 id="sliderContainer" |
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28 class="d-flex sliderContainer" |
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29 style="width: 98%;" |
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30 ></div> |
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31 <div @click="close" class="d-flex box-control mr-0" style="width: 2%;"> |
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32 <font-awesome-icon icon="times"></font-awesome-icon> |
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33 </div> |
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34 </div> |
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35 </template> |
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36 <style lang="sass" scoped> |
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37 #slider |
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38 position: absolute |
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39 bottom: 0 |
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40 min-width: 100vw |
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41 &.expanded |
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42 max-height: 100% |
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43 max-width: 100% |
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44 margin: 0 |
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45 </style> |
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46 <script> |
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47 /* This is Free Software under GNU Affero General Public License v >= 3.0 |
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48 * without warranty, see README.md and license for details. |
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49 * |
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50 * SPDX-License-Identifier: AGPL-3.0-or-later |
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51 * License-Filename: LICENSES/AGPL-3.0.txt |
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52 * |
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53 * Copyright (C) 2020 by via donau |
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54 * – Österreichische Wasserstraßen-Gesellschaft mbH |
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55 * Software engineering by Intevation GmbH |
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56 * |
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57 * Author(s): |
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58 * Fadi Abbud <fadiabbud@intevation.de> |
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59 */ |
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60 import { mapState } from "vuex"; |
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61 import * as d3 from "d3"; |
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62 import app from "@/main"; |
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63 import { localeDateString } from "@/lib/datelocalization"; |
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64 import { format, setHours, setMinutes } from "date-fns"; |
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65 |
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66 let zoom = null; |
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67 let xScale = null; |
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68 let xAxis = null; |
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69 |
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70 export default { |
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71 name: "timeslider", |
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72 data() { |
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73 return { |
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74 newX: null |
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75 }; |
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76 }, |
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77 watch: { |
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78 ongoingRefresh() { |
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79 if (this.ongoingRefresh) return; |
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80 this.$store.commit("application/setSelectedTime", new Date()); |
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81 this.$nextTick(this.redrawSlider); |
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82 } |
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83 }, |
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84 computed: { |
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85 ...mapState("application", [ |
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86 "showTimeSlider", |
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87 "paneSetup", |
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88 "isSelectedTimeHourly" |
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89 ]), |
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90 ...mapState("map", ["ongoingRefresh"]), |
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91 reposition() { |
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92 // reposition time slider in case of opened diagram |
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93 if (["DEFAULT", "COMPARESURVEYS"].indexOf(this.paneSetup) === -1) { |
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94 const height = document.getElementById("main").clientHeight + 1; |
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95 return `bottom: ${height}px`; |
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96 } else { |
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97 return ""; |
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98 } |
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99 }, |
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100 dateSelection: { |
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101 get() { |
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102 const date = this.$store.state.application.selectedTime; |
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103 return format(date, "YYYY-MM-DD"); |
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104 }, |
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105 set(value) { |
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106 if (!value) return; |
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107 const date = new Date(value); |
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108 this.$store.commit("application/setSelectedTime", date); |
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109 this.rescaleSlider(50); |
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110 } |
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111 }, |
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112 timeSelection: { |
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113 get() { |
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114 const time = this.$store.state.application.selectedTime; |
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115 return format(time, "HH:mm"); |
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116 }, |
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117 set(value) { |
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118 if (!value) return; |
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119 let date = this.selectedTime; |
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120 date = setHours(date, value.split(":")[0]); |
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121 date = setMinutes(date, value.split(":")[1]); |
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122 this.$store.commit("application/setSelectedTime", date); |
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123 this.rescaleSlider(800); |
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124 } |
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125 }, |
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126 selectedTime: { |
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127 get() { |
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128 return this.$store.state.application.selectedTime; |
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129 }, |
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130 set(value) { |
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131 this.$store.commit("application/setSelectedTime", value); |
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132 } |
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133 } |
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134 }, |
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135 methods: { |
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136 close() { |
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137 this.$store.commit("application/showTimeSlider", false); |
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138 }, |
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139 |
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140 rescaleSlider(scaleFactor) { |
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141 const tx = |
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142 -scaleFactor * |
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143 this.getScale()(d3.isoParse(this.selectedTime.toISOString())) + |
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144 document.getElementById("sliderContainer").clientWidth / 2; |
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145 var t = d3.zoomIdentity.translate(tx, 0).scale(scaleFactor); |
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146 this.getScale().domain(t.rescaleX(this.getScale())); |
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147 d3.select(".zoom").call(zoom.transform, t); |
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148 }, |
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149 redrawSlider() { |
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150 this.createSlider(); |
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151 zoom.translateTo( |
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152 d3.select(".line"), |
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153 this.newX(d3.isoParse(this.selectedTime.toISOString())), |
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154 1 |
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155 ); |
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156 }, |
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157 createSlider() { |
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158 const element = document.getElementById("sliderContainer"); |
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159 const svgWidth = element ? element.clientWidth : 0, |
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160 svgHeight = 40, |
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161 marginTop = 20, |
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162 marginLeft = 0; |
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163 |
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164 d3.timeFormatDefaultLocale(localeDateString); |
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165 xScale = this.getScale(); |
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166 this.newX = this.getScale(); |
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167 xAxis = this.getAxes(); |
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168 d3.select(".sliderContainer svg").remove(); |
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169 let svg = d3 |
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170 .select(".sliderContainer") |
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171 .append("svg") |
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172 .attr("width", svgWidth) |
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173 .attr("height", svgHeight); |
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174 |
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175 zoom = d3 |
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176 .zoom() |
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177 .scaleExtent([0.8, 102000]) |
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178 .translateExtent([[0, 0], [svgWidth, svgHeight]]) |
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179 .extent([[0, 0], [(svgWidth, svgHeight)]]) |
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180 .on("zoom", this.zoomed); |
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181 |
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182 svg |
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183 .append("g") |
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184 .attr("class", "axis--x") |
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185 .attr("transform", `translate(${marginLeft}, ${marginTop})`) |
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186 .call(xAxis); |
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187 |
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188 // create rectanlge on the slider area to capture mouse events |
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189 const eventRect = svg |
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190 .append("rect") |
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191 .attr("id", "zoom") |
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192 .attr("class", "zoom") |
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193 .attr("width", svgWidth) |
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194 .attr("height", svgHeight) |
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195 .attr("fill", "white") |
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196 .attr("opacity", 0.2) |
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197 .on("mouseover", () => { |
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198 svg.select(".zoom").attr("cursor", "move"); |
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199 }); |
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200 eventRect.call(zoom).on("click", this.onClick); |
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201 |
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202 const toIsoDate = d => { |
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203 return d.toISOString(); |
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204 }; |
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205 |
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206 let drag = d3 |
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207 .drag() |
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208 .on("start", () => { |
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209 d3.select(".line") |
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210 .raise() |
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211 .classed("active", true); |
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212 }) |
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213 .on("drag", this.onDrag) |
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214 .on("end", () => { |
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215 d3.select(".line").classed("active", false); |
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216 }); |
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217 |
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218 // Create cursor to indicate to the selected time |
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219 svg |
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220 .append("rect") |
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221 .attr("class", "line") |
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222 .attr("id", "scrubber") |
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223 .attr("x", this.newX(d3.isoParse(toIsoDate(this.selectedTime)))) |
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224 .attr("y", 0) |
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225 .attr("width", 2) |
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226 .attr("height", svgHeight) |
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227 .attr("stroke", "#17a2b8") |
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228 .attr("stroke-width", 2) |
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229 .attr("opacity", 0.6) |
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230 .on("mouseover", () => { |
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231 svg.select(".line").attr("cursor", "e-resize"); |
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232 }) |
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233 .call(drag); |
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234 }, |
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235 getScale() { |
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236 return d3 |
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237 .scaleTime() |
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238 .range([0, document.getElementById("sliderContainer").clientWidth || 0]) |
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239 .domain([d3.isoParse(new Date("2015-01-01")), d3.isoParse(new Date())]); |
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240 }, |
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241 getAxes() { |
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242 const axesFormat = date => { |
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243 return (d3.timeSecond(date) < date |
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244 ? d3.timeFormat(".%L") |
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245 : d3.timeMinute(date) < date |
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246 ? d3.timeFormat(":%S") |
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247 : d3.timeHour(date) < date |
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248 ? d3.timeFormat("%H:%M") |
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249 : d3.timeDay(date) < date |
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250 ? d3.timeFormat("%H:%M") |
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251 : d3.timeMonth(date) < date |
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252 ? d3.timeWeek(date) < date |
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253 ? d3.timeFormat(app.$gettext("%a %d")) |
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254 : d3.timeFormat(app.$gettext("%b %d")) |
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255 : d3.timeYear(date) < date |
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256 ? d3.timeFormat("%B") |
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257 : d3.timeFormat("%Y"))(date); |
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258 }; |
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259 return d3 |
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260 .axisBottom(this.newX) |
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261 .ticks(12) |
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262 .tickFormat(axesFormat); |
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263 }, |
5036
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264 zoomed() { |
5061
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265 this.newX = d3.event.transform.rescaleX(xScale); |
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266 const currentScaleFactor = d3.event.transform.k; |
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267 const isHourly = currentScaleFactor > 400; |
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268 if (isHourly != this.isSelectedTimeHourly) |
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269 this.$store.commit("application/setSelectedTimeHourly", isHourly); |
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270 xAxis.scale(this.newX); |
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271 d3.select(".axis--x").call(xAxis); |
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272 d3.select(".line").attr("x", this.newX(d3.isoParse(this.selectedTime))); |
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273 }, |
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274 onClick() { |
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275 // Extract the click location |
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276 let point = d3.mouse(document.getElementById("zoom")), |
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277 p = { x: point[0], y: point[1] }; |
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278 d3.select(".line").attr("x", p.x); |
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279 this.selectedTime = d3.isoParse(this.newX.invert(p.x + 2)); |
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280 }, |
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281 onDrag() { |
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282 this.selectedTime = d3.isoParse(this.newX.invert(d3.event.x + 2)); |
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283 d3.select(".line").attr("x", d3.event.x); |
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284 } |
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285 }, |
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286 mounted() { |
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287 setTimeout(this.createSlider, 150); |
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288 } |
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289 }; |
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290 </script> |