Mercurial > gemma
view client/src/components/fairway/Fairwayprofile.vue @ 3667:c91bcb92e0b7
client: fix rendering of diagram on PDF (Fairwayprofile)
author | Fadi Abbud <fadi.abbud@intevation.de> |
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date | Mon, 17 Jun 2019 11:00:21 +0200 |
parents | 9e91b416d5bb |
children | c086f5176ef2 |
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<template> <div class="d-flex flex-column flex-fill"> <UIBoxHeader icon="chart-area" :title="title" :closeCallback="close" /> <div class="d-flex flex-fill"> <DiagramLegend> <div class="legend"> <span style="background-color: #5995ff; width: 20px; height: 20px;" ></span> Water </div> <div class="legend"> <span :style=" 'width: 16px; height: 16px; background-color: rgba(' + this.getLayerStyle(1).fillColor.join(',') + ',' + this.getLayerStyle(1).fillOpacity + '); border: dotted 2px rgba(' + this.getLayerStyle(1).strokeColor.join(',') + ',' + this.getLayerStyle(1).strokeOpacity + '); background-clip: padding-box; box-sizing: content-box;' " ></span> Fairway (LOS 1) </div> <div class="legend"> <span :style=" 'width: 16px; height: 16px; background-color: rgba(' + this.getLayerStyle(2).fillColor.join(',') + ',' + this.getLayerStyle(2).fillOpacity + '); border: dashed 2px rgba(' + this.getLayerStyle(2).strokeColor.join(',') + ',' + this.getLayerStyle(2).strokeOpacity + '); background-clip: padding-box; box-sizing: content-box;' " ></span> Fairway (LOS 2) </div> <div class="legend"> <span :style=" 'width: 16px; height: 16px; background-color: rgba(' + this.getLayerStyle(3).fillColor.join(',') + ',' + this.getLayerStyle(3).fillOpacity + '); border: solid 2px rgba(' + this.getLayerStyle(3).strokeColor.join(',') + ',' + this.getLayerStyle(3).strokeOpacity + '); background-clip: padding-box; box-sizing: content-box;' " ></span> Fairway (LOS 3) </div> <div class="legend"> <span style="width: 14px; height: 14px; background-color: #4a2f06; border: solid 3px black; background-clip: padding-box; box-sizing: content-box;" ></span> Sediment </div> <div class="legend"> <span style="width: 14px; height: 14px; background-color: rgba(74, 47, 6, 0.6); border: solid 3px #943007; background-clip: padding-box; box-sizing: content-box;" ></span> Sediment (Compare) </div> <div> <select v-model="form.template" @change="applyChange" class="form-control d-block custom-select-sm w-100" > <option v-for="template in templates" :value="template" :key="template.name" > {{ template.name }} </option> </select> <button @click="downloadPDF" type="button" class="btn btn-sm btn-info d-block w-100 mt-2" > <translate>Export to PDF</translate> </button> </div> </DiagramLegend> <div id="pdfContainer" class="d-flex flex-fill justify-content-center align-items-center diagram-container position-relative" > <div class="direction-indicator"></div> <div v-if="!fairwayData"> <translate>No data available.</translate> </div> </div> </div> </div> </template> <style lang="sass" scoped> .direction-indicator width: 70px height: 0 border-top: dashed 2px #333 position: absolute bottom: 20px left: 115px margin-left: -35px &::after content: "" width: 0 height: 0 border-width: 10px border-top-width: 5px border-bottom-width: 5px border-style: solid border-color: transparent border-left-color: #333 position: absolute right: -20px top: -6px </style> <script> /* This is Free Software under GNU Affero General Public License v >= 3.0 * without warranty, see README.md and license for details. * * SPDX-License-Identifier: AGPL-3.0-or-later * License-Filename: LICENSES/AGPL-3.0.txt * * Copyright (C) 2018 by via donau * – Österreichische Wasserstraßen-Gesellschaft mbH * Software engineering by Intevation GmbH * * Author(s): * Thomas Junk <thomas.junk@intevation.de> * Markus Kottländer <markus.kottlaender@intevation.de> * Fadi Abbud <fadi.abbud@intevation.de> */ import * as d3 from "d3"; import { mapState, mapGetters } from "vuex"; import debounce from "debounce"; import jsPDF from "jspdf"; import canvg from "canvg"; import { pdfgen } from "@/lib/mixins"; import { HTTP } from "@/lib/http"; import { displayError } from "@/lib/errors"; const GROUND_COLOR = "#4A2F06"; const WATER_COLOR = "#005DFF"; export default { mixins: [pdfgen], name: "fairwayprofile", components: { DiagramLegend: () => import("@/components/DiagramLegend") }, data() { return { width: null, height: null, margin: { top: 20, right: 80, bottom: 60, left: 80 }, form: { template: null }, templates: [], defaultTemplate: { name: "default", properties: { paperSize: "a4" }, elements: [ { type: "diagram", position: "topleft", offset: { x: 20, y: 60 }, width: 290, height: 100 }, { type: "diagramtitle", position: "topleft", offset: { x: 90, y: 30 }, fontsize: 22, color: "steelblue" }, { type: "diagramlegend", position: "topleft", offset: { x: 30, y: 160 }, color: "black" } ] }, pdf: { doc: null, width: 32, height: 297 }, templateData: null }; }, computed: { ...mapGetters("map", ["openLayersMap"]), ...mapGetters("fairwayprofile", ["totalLength"]), ...mapState("fairwayprofile", [ "additionalSurvey", "currentProfile", "startPoint", "endPoint", "fairwayData", "maxAlt", "selectedWaterLevel" ]), ...mapState("bottlenecks", ["selectedSurvey", "selectedBottleneck"]), ...mapState("application", ["paneSetup"]), title() { let dates = [this.selectedSurvey.date_info]; let waterlevelLabel = this.selectedWaterLevel === "ref" ? this.selectedSurvey.depth_reference : "Current"; if (this.additionalSurvey) dates.push(this.additionalSurvey.date_info); dates.map(d => this.$options.filters.dateTime(d, true)); return `${this.$gettext("Fairwayprofile")}: ${ this.selectedBottleneck } (${dates.join( ", " )}) WL: ${waterlevelLabel} (${this.$options.filters.waterlevel( this.waterlevel )} m)`; }, currentData() { if ( !this.selectedSurvey || !this.currentProfile.hasOwnProperty(this.selectedSurvey.date_info) ) return []; return this.currentProfile[this.selectedSurvey.date_info].points; }, additionalData() { if ( !this.additionalSurvey || !this.currentProfile.hasOwnProperty(this.additionalSurvey.date_info) ) return []; return this.currentProfile[this.additionalSurvey.date_info].points; }, bottleneck() { return this.openLayersMap() .getLayer("BOTTLENECKS") .getSource() .getFeatures() .find(f => f.get("objnam") === this.selectedBottleneck); }, waterlevel() { return this.selectedWaterLevel === "ref" ? this.refWaterlevel : this.bottleneck.get("gm_waterlevel"); }, refWaterlevel() { return this.selectedSurvey.waterlevel_value; } }, watch: { currentData() { this.drawDiagram(); }, additionalData() { this.drawDiagram(); }, width() { this.drawDiagram(); }, height() { this.drawDiagram(); }, waterLevels() { this.drawDiagram(); }, selectedWaterLevel() { this.drawDiagram(); }, fairwayData() { this.drawDiagram(); }, selectedBottleneck() { this.$store.commit("application/paneSetup", "DEFAULT"); } }, methods: { close() { this.$store.commit( "application/paneSetup", this.paneSetup === "COMPARESURVEYS_FAIRWAYPROFILE" ? "COMPARESURVEYS" : "DEFAULT" ); this.$store.dispatch("fairwayprofile/clearCurrentProfile"); }, getLayerStyle(los) { let style = this.openLayersMap() .getLayer("FAIRWAYDIMENSIONSLOS" + los) .getStyle()()[0]; // use spread operator to clone arrays let fillColor = [...style.getFill().getColor()]; let fillOpacity = fillColor.pop(); let strokeColor = [...style.getStroke().getColor()]; let strokeOpacity = strokeColor.pop(); let strokeDash = style.getStroke().getLineDash(); return { fillColor, fillOpacity, strokeColor, strokeOpacity, strokeDash }; }, applyChange() { if (this.form.template.hasOwnProperty("properties")) { this.templateData = this.defaultTemplate; return; } if (this.form.template) { HTTP.get("/templates/diagram/" + this.form.template.name, { headers: { "X-Gemma-Auth": localStorage.getItem("token"), "Content-type": "text/xml; charset=UTF-8" } }) .then(response => { this.templateData = response.data.template_data; }) .catch(e => { const { status, data } = e.response; displayError({ title: this.$gettext("Backend Error"), message: `${status}: ${data.message || data}` }); }); } }, downloadPDF() { if (this.templateData) { this.pdf.doc = new jsPDF( "l", "mm", this.templateData.properties.paperSize ); // pdf width and height in millimeter (landscape) this.pdf.width = this.templateData.properties.paperSize === "a3" ? 420 : 297; this.pdf.height = this.templateData.properties.paperSize === "a3" ? 297 : 210; // default values if some are missing in template let defaultFontSize = 11, defaultWidth = 70, defaultTextColor = "black", defaultBorderColor = "white", defaultBgColor = "white", defaultRounding = 2, defaultPadding = 2, defaultOffset = { x: 0, y: 0 }; this.templateData.elements.forEach(e => { switch (e.type) { case "diagram": { this.addDiagram( e.position, e.offset || defaultOffset, e.width, e.height ); break; } case "diagramlegend": { this.addDiagramLegend( e.position, e.offset || defaultOffset, e.color || defaultTextColor ); break; } case "diagramtitle": { let fairwayInfo = this.selectedBottleneck + " (" + this.selectedSurvey.date_info + ")"; this.addDiagramTitle( e.position, e.offset || defaultOffset, e.fontsize || defaultFontSize, e.color || defaultTextColor, fairwayInfo ); break; } case "image": { this.addImage( e.url, e.format || "", e.position, e.offset || defaultOffset, e.width || 90, e.height || 60 ); break; } case "text": { this.addText( e.position, e.offset || defaultOffset, e.width || defaultWidth, e.fontsize || defaultFontSize, e.color || defaultTextColor, e.text || "" ); break; } case "box": { this.addBox( e.position, e.offset || defaultOffset, e.width || 90, e.height || 60, e.rounding === 0 || e.rounding ? e.rounding : defaultRounding, e.color || defaultBgColor, e.brcolor || defaultBorderColor ); break; } case "textbox": { this.addTextBox( e.position, e.offset || defaultOffset, e.width, e.height, e.rounding === 0 || e.rounding ? e.rounding : defaultRounding, e.padding || defaultPadding, e.fontsize || defaultFontSize, e.color || defaultTextColor, e.background || defaultBgColor, e.text || "", e.brcolor || defaultBorderColor ); break; } } }); } this.pdf.doc.save( this.title.replace(/\s/g, "_").replace(/[():,]/g, "") + ".pdf" ); }, addDiagram(position, offset, width, height) { let x = offset.x, y = offset.y; let svg = document.querySelector("#pdfContainer>svg").outerHTML; // use default width,height if they are missing in the template definition if (!width) { width = this.templateData.properties.paperSize === "a3" ? 380 : 290; } if (!height) { height = this.templateData.properties.paperSize === "a3" ? 130 : 100; } if (["topright", "bottomright"].indexOf(position) !== -1) { x = this.pdf.width - offset.x - width; } if (["bottomright", "bottomleft"].indexOf(position) !== -1) { y = this.pdf.height - offset.y - height; } var canvas = document.createElement("canvas"); canvas.width = window.innerWidth; canvas.height = window.innerHeight / 2; canvg(canvas, svg, { ignoreMouse: true, ignoreAnimation: true, ignoreDimensions: true }); var imgData = canvas.toDataURL("image/png"); this.pdf.doc.addImage(imgData, "PNG", x, y, width, height); }, // Diagram legend addDiagramLegend(position, offset, color) { let x = offset.x, y = offset.y; this.pdf.doc.setFontSize(10); let width = (this.pdf.doc.getStringUnitWidth("Sediment (Compare)") * 10) / (72 / 25.6) + 4; if (["topright", "bottomright"].indexOf(position) !== -1) { x = this.pdf.width - offset.x - width; } if (["bottomright", "bottomleft"].indexOf(position) !== -1) { y = this.pdf.height - offset.y - this.getTextHeight(8); } this.pdf.doc.setTextColor(color); this.pdf.doc.setDrawColor("#5995ff"); this.pdf.doc.setFillColor("#5995ff"); this.pdf.doc.circle(x, y, 2, "FD"); this.pdf.doc.text(x + 3, y + 1, "Water"); this.pdf.doc.setLineDash([0.3]); this.pdf.doc.setDrawColor("#0000ff"); this.pdf.doc.setFillColor("#fcfacc"); this.pdf.doc.circle(x, y + 5, 2, "FD"); this.pdf.doc.text(x + 3, y + 6, "Fairway (LOS 1)"); this.pdf.doc.setLineDash([1]); this.pdf.doc.setFillColor("#fdfce5"); this.pdf.doc.circle(x, y + 10, 2, "FD"); this.pdf.doc.text(x + 3, y + 11, "Fairway (LOS 2)"); this.pdf.doc.setLineDash(); this.pdf.doc.setFillColor("#ffffff"); this.pdf.doc.circle(x, y + 15, 2, "FD"); this.pdf.doc.text(x + 3, y + 16, "Fairway (LOS 3)"); this.pdf.doc.setDrawColor("black"); this.pdf.doc.setFillColor("#4a2e06"); this.pdf.doc.circle(x, y + 20, 2, "FD"); this.pdf.doc.text(x + 3, y + 21, "Sediment"); this.pdf.doc.setDrawColor("#943007"); this.pdf.doc.setFillColor("#928269"); this.pdf.doc.circle(x, y + 25, 2, "FD"); this.pdf.doc.text(x + 3, y + 26, "Sediment (Compare)"); }, drawDiagram() { d3.select(".diagram-container svg").remove(); this.scaleFairwayProfile(); let svg = d3.select(".diagram-container").append("svg"); svg.attr("width", "100%"); svg.attr("height", "100%"); const width = this.width - this.margin.right - this.margin.left; const height = this.height - this.margin.top - this.margin.bottom; const currentData = this.currentData; const additionalData = this.additionalData; const { xScale, yScaleRight, graph } = this.generateScalesAndGraph( svg, height, width ); if (!this.height || !this.width) return; // do not try to render when height and width are unknown this.drawWaterlevel({ graph, xScale, yScaleRight, height }); this.drawLabels({ graph, height }); if (currentData) { this.drawProfile({ graph, xScale, yScaleRight, currentData, height, color: GROUND_COLOR, strokeColor: "black", opacity: 1 }); } if (additionalData) { this.drawProfile({ graph, xScale, yScaleRight, currentData: additionalData, height, color: GROUND_COLOR, strokeColor: "#943007", opacity: 0.6 }); } this.drawFairway({ graph, xScale, yScaleRight }); }, drawFairway({ graph, xScale, yScaleRight }) { if (this.fairwayData === undefined) { return; } for (let data of this.fairwayData) { data.coordinates.forEach(coordinates => { const [startPoint, endPoint, depth] = coordinates; let fairwayArea = d3 .area() .x(function(d) { return xScale(d.x); }) .y0(yScaleRight(0)) .y1(function(d) { return yScaleRight(d.y); }); graph .append("path") .datum([{ x: startPoint, y: depth }, { x: endPoint, y: depth }]) .attr( "fill", `rgba(${this.getLayerStyle(data.los).fillColor.join(",")})` ) .attr("fill-opacity", this.getLayerStyle(data.los).fillOpacity) .attr( "stroke", `rgba(${this.getLayerStyle(data.los).strokeColor.join(",")})` ) .attr("stroke-opacity", this.getLayerStyle(data.los).strokeOpacity) .attr("stroke-dasharray", this.getLayerStyle(data.los).strokeDash) .attr("d", fairwayArea); }); } }, drawLabels({ graph, height }) { graph .append("text") .attr("transform", ["rotate(-90)"]) .attr("y", this.width - 100) .attr("x", -(this.height - this.margin.top - this.margin.bottom) / 2) .attr("fill", "black") .style("text-anchor", "middle") .text("Depth [m]"); graph .append("text") .attr("transform", ["rotate(-90)"]) .attr("y", -50) .attr("x", -(this.height - this.margin.top - this.margin.bottom) / 2) .attr("fill", "black") .style("text-anchor", "middle") .text("Waterlevel [m]"); graph .append("text") .attr("y", -50) .attr("x", -(height / 4)) .attr("dy", "1em") .attr("fill", "black") .style("text-anchor", "middle") .attr("transform", [ "translate(" + this.width / 2 + "," + this.height + ")", "rotate(0)" ]) .text("Width [m]"); }, generateScalesAndGraph(svg, height, width) { let xScale = d3 .scaleLinear() .domain([0, this.totalLength]) .rangeRound([0, width]); let yScaleRight = d3 .scaleLinear() .domain([ this.maxAlt * 1.1 + Math.abs(this.waterlevel - this.refWaterlevel) / 100, -(this.maxAlt * 0.1) ]) .rangeRound([height, 0]); let yScaleLeft = d3 .scaleLinear() .domain([ this.waterlevel - (this.maxAlt * 100 + Math.abs(this.waterlevel - this.refWaterlevel)), this.waterlevel + this.maxAlt * 0.1 * 100 ]) .rangeRound([height, 0]); let xAxis = d3.axisBottom(xScale).ticks(5); let yAxisRight = d3.axisRight(yScaleRight); let yAxisLeft = d3 .axisLeft(yScaleLeft) .tickFormat(d => this.$options.filters.waterlevel(d)); let graph = svg .append("g") .attr( "transform", "translate(" + this.margin.left + "," + this.margin.top + ")" ); graph .append("g") .attr("transform", "translate(0," + height + ")") .call(xAxis) .selectAll(".tick text") .attr("fill", "black") .select(function() { return this.parentNode; }) .selectAll(".tick line") .attr("stroke", "black"); graph .append("g") .attr("transform", "translate(" + width + ",0)") .call(yAxisRight) .selectAll(".tick text") .attr("fill", "black") .select(function() { return this.parentNode; }) .selectAll(".tick line") .attr("stroke", "black"); graph .append("g") .attr("transform", "translate(0 0)") .call(yAxisLeft) .selectAll(".tick text") .attr("fill", "black") .select(function() { return this.parentNode; }) .selectAll(".tick line") .attr("stroke", "black"); graph.selectAll(".domain").attr("stroke", "black"); return { xScale, yScaleRight, graph }; }, drawWaterlevel({ graph, xScale, yScaleRight, height }) { let waterArea = d3 .area() .x(function(d) { return xScale(d.x); }) .y0(height) .y1(function(d) { return yScaleRight(d.y); }); graph .append("path") .datum([{ x: 0, y: 0 }, { x: this.totalLength, y: 0 }]) .attr("fill-opacity", 0.65) .attr("fill", WATER_COLOR) .attr("stroke", "transparent") .attr("d", waterArea); }, drawProfile({ graph, xScale, yScaleRight, currentData, height, color, strokeColor, opacity }) { for (let part of currentData) { let profileLine = d3 .line() .x(d => { return xScale(d.x); }) .y(d => yScaleRight( d.y + Math.abs(this.waterlevel - this.refWaterlevel) / 100 ) ); let profileArea = d3 .area() .x(function(d) { return xScale(d.x); }) .y0(height) .y1(d => yScaleRight( d.y + Math.abs(this.waterlevel - this.refWaterlevel) / 100 ) ); graph .append("path") .datum(part) .attr("fill", color) .attr("stroke", "transparent") .attr("fill-opacity", opacity) .attr("d", profileArea); graph .append("path") .datum(part) .attr("fill", "none") .attr("stroke", strokeColor) .attr("stroke-linejoin", "round") .attr("stroke-linecap", "round") .attr("stroke-width", 3) .attr("stroke-opacity", opacity) .attr("fill-opacity", 0) .attr("d", profileLine); } }, scaleFairwayProfile() { if (!document.querySelector(".diagram-container")) return; const clientHeight = document.querySelector(".diagram-container") .clientHeight; const clientWidth = document.querySelector(".diagram-container") .clientWidth; if (!clientHeight || !clientWidth) return; this.height = clientHeight; this.width = clientWidth; } }, created() { window.addEventListener("resize", debounce(this.drawDiagram), 100); }, mounted() { this.drawDiagram(); this.templates[0] = this.defaultTemplate; this.form.template = this.templates[0]; this.templateData = this.form.template; HTTP.get("/templates/diagram", { headers: { "X-Gemma-Auth": localStorage.getItem("token"), "Content-type": "text/xml; charset=UTF-8" } }) .then(response => { if (response.data.length) { this.templates = response.data; this.form.template = this.templates[0]; this.templates[this.templates.length] = this.defaultTemplate; this.applyChange(); } }) .catch(e => { const { status, data } = e.response; displayError({ title: this.$gettext("Backend Error"), message: `${status}: ${data.message || data}` }); }); }, updated() { this.drawDiagram(); }, destroyed() { window.removeEventListener("resize", debounce(this.drawDiagram)); } }; </script>