Mercurial > gemma
view client/src/store/fairway.js @ 3044:c71373594719
client: map: prepared store to hold multiple map objects
This will be necessary to sync maps, toggle layers per map, etc. Therefore the methods to move the map
(moveToExtent, etc.) became actions instead of mutations.
author | Markus Kottlaender <markus@intevation.de> |
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date | Sat, 13 Apr 2019 16:02:06 +0200 |
parents | 44493664d40e |
children | 051a3f446ac2 |
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/* 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 <markuks.kottlaender@intevation.de> */ import Vue from "vue"; import { HTTP } from "@/lib/http"; import { prepareProfile } from "@/lib/geo"; import LineString from "ol/geom/LineString"; import { generateFeatureRequest } from "@/lib/geo"; import { getLength } from "ol/sphere"; import { displayError } from "@/lib/errors"; import { featureToFairwayCoordinates } from "@/lib/geo"; // initial state const init = () => { return { additionalSurvey: null, minAlt: 0, maxAlt: 0, currentProfile: {}, referenceWaterLevel: null, waterLevels: {}, selectedWaterLevel: "", fairwayData: [], startPoint: null, endPoint: null, previousCuts: [], profileLoading: false, selectedCut: null, differencesLoading: false }; }; export default { init, namespaced: true, state: init(), getters: { totalLength: state => { const keys = Object.keys(state.currentProfile); return keys.length ? Math.max(...keys.map(x => state.currentProfile[x].length)) : 0; }, additionalSurvey: state => { return state.additionalSurvey; } }, mutations: { additionalSurvey: (state, additionalSurvey) => { state.additionalSurvey = additionalSurvey; }, setSelectedWaterLevel: (state, level) => { state.selectedWaterLevel = state.waterLevels[level]; }, setDifferencesLoading: (state, value) => { state.differencesLoading = value; }, profileLoaded: (state, answer) => { const { response, surveyDate } = answer; const { data } = response; const { waterlevel } = response.data.properties; const { value, when } = waterlevel; const coordinates = data.geometry.coordinates; if (!coordinates) return; const startPoint = state.startPoint; const endPoint = state.endPoint; const geoJSON = data; const result = prepareProfile({ geoJSON, startPoint, endPoint }); // Use Vue.set() to make new object properties rective // https://vuejs.org/v2/guide/reactivity.html#Change-Detection-Caveats const entry = { date: when, value: value }; state.waterLevels = { [when]: entry }; state.selectedWaterLevel = entry; Vue.set(state.currentProfile, surveyDate, { points: result.points, length: result.lengthPolyLine }); if (!state.minAlt || state.minAlt > result.minAlt) { state.minAlt = result.minAlt; } if (!state.maxAlt || state.maxAlt < result.maxAlt) { state.maxAlt = result.maxAlt; } }, setStartPoint: (state, start) => { state.startPoint = start; }, setEndPoint: (state, end) => { state.endPoint = end; }, addFairwayData: (state, coordinates) => { state.fairwayData.push(coordinates); }, clearFairwayData: state => { state.fairwayData = []; }, clearCurrentProfile: state => { state.additionalSurvey = null; state.currentProfile = {}; state.minAlt = null; state.maxAlt = null; state.totalLength = null; state.fairwayData = []; state.startPoint = null; state.endPoint = null; state.referenceWaterLevel = null; state.waterLevels = {}; state.selectedWaterLevel = ""; }, previousCuts: (state, previousCuts) => { state.previousCuts = previousCuts; }, profileLoading: (state, loading) => { state.profileLoading = loading; }, selectedCut: (state, cut) => { state.selectedCut = cut; } }, actions: { clearSelection({ commit, dispatch, rootState, rootGetters }) { dispatch("bottlenecks/setSelectedBottleneck", null, { root: true }); dispatch("map/enableIdentifyTool", null, { root: true }); commit("clearCurrentProfile"); rootState.map.cutTool.setActive(false); rootGetters["map/openLayersMap"] .getLayer("CUTTOOL") .getSource() .clear(); }, loadProfile({ commit, state }, survey) { if (state.startPoint && state.endPoint) { return new Promise((resolve, reject) => { const profileLine = new LineString([ state.startPoint, state.endPoint ]); const geoJSON = generateFeatureRequest( profileLine, survey.bottleneck_id, survey.date_info ); HTTP.post("/cross", geoJSON, { headers: { "X-Gemma-Auth": localStorage.getItem("token") } }) .then(response => { if (response.data.geometry.coordinates.length) { commit("profileLoaded", { response: response, surveyDate: survey.date_info }); resolve(response); } else { commit("clearCurrentProfile"); reject({ response: { status: null, data: "No intersection with sounding data." } }); } }) .catch(error => reject(error)); }); } }, cut({ commit, dispatch, rootState, rootGetters }, cut) { return new Promise(resolve => { const length = getLength(cut.getGeometry()); commit( "map/setCurrentMeasurement", { quantity: "Length", unitSymbol: "m", value: Math.round(length * 10) / 10 }, { root: true } ); commit("clearFairwayData"); // if a survey has been selected, request a profile // TODO an improvement could be to check if the line intersects // with the bottleneck area's polygon before trying the server request if (rootState.bottlenecks.selectedSurvey) { const inputLineString = cut.getGeometry().clone(); inputLineString.transform("EPSG:3857", "EPSG:4326"); const [start, end] = inputLineString .getCoordinates() .map(coords => coords.map(coord => parseFloat(coord.toFixed(8)))); commit("setStartPoint", start); commit("setEndPoint", end); const profileLine = new LineString([start, end]); const profileLoaders = [ dispatch("loadProfile", rootState.bottlenecks.selectedSurvey) ]; if (rootState.fairwayprofile.additionalSurvey) { profileLoaders.push( dispatch("loadProfile", rootState.fairwayprofile.additionalSurvey) ); } commit("application/showSplitscreen", true, { root: true }); commit("application/splitscreenLoading", true, { root: true }); commit("profileLoading", true); Promise.all(profileLoaders) .then(() => { rootState.map.cutTool.setActive(false); const los3 = rootGetters["map/openLayersMap"].getLayer( "FAIRWAYDIMENSIONSLOS3" ); los3.getSource().forEachFeatureIntersectingExtent( profileLine .clone() .transform("EPSG:4326", "EPSG:3857") .getExtent(), feature => { const fairwayCoordinates = featureToFairwayCoordinates( feature, profileLine ); let fairwayData = { coordinates: fairwayCoordinates, style: los3.getStyle() }; if (fairwayCoordinates.length > 0) { commit("addFairwayData", fairwayData); } } ); const los2 = rootGetters["map/openLayersMap"].getLayer( "FAIRWAYDIMENSIONSLOS2" ); los2.getSource().forEachFeatureIntersectingExtent( profileLine .clone() .transform("EPSG:4326", "EPSG:3857") .getExtent(), feature => { let fairwayCoordinates = featureToFairwayCoordinates( feature, profileLine ); let fairwayData = { coordinates: fairwayCoordinates, style: los2.getStyle() }; if (fairwayCoordinates.length > 0) { commit("addFairwayData", fairwayData); } } ); const los1 = rootGetters["map/openLayersMap"].getLayer( "FAIRWAYDIMENSIONSLOS1" ); los1.getSource().forEachFeatureIntersectingExtent( profileLine .clone() .transform("EPSG:4326", "EPSG:3857") .getExtent(), feature => { const fairwayCoordinates = featureToFairwayCoordinates( feature, profileLine ); let fairwayData = { coordinates: fairwayCoordinates, style: los1.getStyle() }; if (fairwayCoordinates.length > 0) { commit("addFairwayData", fairwayData); } } ); resolve(); }) .catch(error => { const { status, data } = error.response; displayError({ title: "Backend Error", message: `${status ? status + ":" : ""} ${data.message || data}` }); }) .finally(() => { let splitscreenConf = { id: "fairwayprofile", component: "fairwayprofile", title: `${rootState.bottlenecks.selectedBottleneck} (${ rootState.bottlenecks.selectedSurvey.date_info })`, icon: "chart-area", closeCallback: () => { dispatch("clearSelection"); }, expandCallback: () => { let bottleneck = rootState.bottlenecks.bottlenecksList.find( bn => bn.properties.name === rootState.bottlenecks.selectedBottleneck ); dispatch( "map/moveToExtent", { feature: bottleneck, zoom: 17, preventZoomOut: true }, { root: true } ); } }; commit("application/addSplitscreen", splitscreenConf, { root: true }); commit("application/activeSplitscreenId", "fairwayprofile", { root: true }); commit("application/splitscreenLoading", false, { root: true }); commit("profileLoading", false); }); } }); }, previousCuts({ commit, rootState }) { const previousCuts = JSON.parse(localStorage.getItem("previousCuts")) || []; commit( "previousCuts", previousCuts .filter(cut => { return ( cut.bottleneckName === rootState.bottlenecks.selectedBottleneck ); }) .sort((a, b) => (a.timestamp < b.timestamp ? 1 : -1)) ); } } };