FarmMaps/FarmMapsLib
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Refactor style cache

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This commit is contained in:
Willem Dantuma 2020-02-12 20:38:14 +01:00
parent b83aca7969
commit 6379b64351
9 changed files with 258 additions and 224 deletions
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2
projects/common-map/package.json
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@ -6,7 +6,7 @@
},
"dependencies": {
"ngx-openlayers": "1.0.0-next.13",
"ol": "^6.0.0"
"ol": "6.1.1"
},
"peerDependencies": {
"@angular/core": "^8.2.0",

13
projects/common-map/src/fm-map/actions/map.actions.ts
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@ -4,8 +4,7 @@ import { IMapState } from '../models/map.state';
import { IItemLayer } from '../models/item.layer';
import { IQueryState } from '../models/query.state';
import { IItem } from '@farmmaps/common';
import { Feature } from 'ol';
import { Extent } from 'ol/extent';
import { Feature,Style } from 'ol';
export const SETSTATE = '[Map] SetState';
export const SETMAPSTATE = '[Map] MapState';
@ -35,6 +34,7 @@ export const SELECTBASELAYER = '[Map] SelectBaseLayers';
export const SELECTOVERLAYLAYER = '[Map] SelectOverlayLayers';
export const ZOOMTOEXTENT = '[Map] ZoomToExtent';
export const DOQUERY = '[Map] DoQuery';
export const SETSTYLE = '[Map] SetStyle';
export class SetState implements Action {
readonly type = SETSTATE;
@ -204,6 +204,12 @@ export class DoQuery implements Action {
constructor(public query:IQueryState) { }
}
export class SetStyle implements Action {
readonly type = SETSTYLE;
constructor(public itemType:string,public style:Style) { }
}
export type Actions = SetMapState
| Init
| SetParent
@ -231,5 +237,6 @@ export type Actions = SetMapState
| ZoomToExtent
| SetState
| SetViewExtent
| DoQuery;
| DoQuery
| SetStyle;

3
projects/common-map/src/fm-map/common-map.module.ts
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@ -58,6 +58,7 @@ import { MapRoutingModule } from './common-map-routing.module';
import { LegendComponent } from './components/legend/legend.component';
import { LayerVectorImageComponent } from './components/aol/layer-vector-image/layer-vector-image.component';
import { StateSerializerService } from './services/state-serializer.service';
import {FeatureIconService} from './services/feature-icon.service';
import { GeolocationService } from './services/geolocation.service';
import {DeviceOrientationService} from './services/device-orientation.service';
import { WidgetStatusComponent } from './components/widget-status/widget-status.component';
@ -131,6 +132,7 @@ export {
AbstractItemListItemComponent,
AbstractItemListComponent,
StateSerializerService,
FeatureIconService,
GeolocationService,
DeviceOrientationService,
IMapState,
@ -249,6 +251,7 @@ export class AppCommonMapModule {
ngModule: AppCommonMapModule,
providers: [
StateSerializerService,
FeatureIconService,
GeolocationService,
DeviceOrientationService,
{ provide: AbstractFeatureListComponent, useClass: FeatureListCroppingschemeComponent, multi: true },

75
projects/common-map/src/fm-map/components/aol/item-vector-source/item-vector-source.component.ts
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@ -14,6 +14,8 @@ import {Vector,Cluster} from 'ol/source';
import {Layer} from 'ol/layer';
import {GeoJSON} from 'ol/format';
import {Select} from 'ol/interaction';
import {IStyleCache} from '../../../models/style.cache';
import {FeatureIconService} from '../../../services/feature-icon.service';
@Component({
selector: 'fm-map-item-source-vector',
@ -32,40 +34,9 @@ export class ItemVectorSourceComponent extends SourceVectorComponent implements
@Input() selectedFeature: Feature;
@Input() selectedItem: IItem;
@Output() onFeaturesSelected: EventEmitter<Feature> = new EventEmitter<Feature>();
private styleCache = {
'file': new style.Style({
image: new style.Icon({
anchor: [0.5, 1],
scale: 0.05,
src: this.getIconImageDataUrl("fa fa-file-o")
}),
stroke: new style.Stroke({
color: 'red',
width: 1
}),
fill: new style.Fill({
color: 'rgba(0, 0, 255, 0.1)'
}),
geometry: (feature) => this.geometry(feature)
}),
'selected': new style.Style({
image: new style.Icon({
anchor: [0.5, 1],
scale: 0.08,
src: this.getIconImageDataUrl(null)
}),
stroke: new style.Stroke({
color: 'red',
width: 3
}),
fill: new style.Fill({
color: 'rgba(0, 0, 255, 0.1)'
}),
geometry: (feature) => this.geometry(feature)
})
};
private styleCache:IStyleCache = {};
constructor(@Host() private layer: LayerVectorComponent, private itemService: ItemService, @Host() private map: MapComponent, private itemTypeService: ItemTypeService) {
constructor(@Host() private layer: LayerVectorComponent, private itemService: ItemService, @Host() private map: MapComponent, private itemTypeService: ItemTypeService,private featureIconService$:FeatureIconService) {
super(layer);
this._format = new GeoJSON();
}
@ -80,39 +51,7 @@ export class ItemVectorSourceComponent extends SourceVectorComponent implements
geometry = new Point(extent.getCenter(e));
}
return geometry;
}
getIconImageDataUrl(iconClass:string, backgroundColor: string = "#c80a6e",color:string = "#ffffff"): string {
var canvas = document.createElement('canvas');
canvas.width = 365;
canvas.height = 560;
var ctx = canvas.getContext('2d');
ctx.lineWidth = 6;
ctx.fillStyle = backgroundColor;
ctx.strokeStyle = "#000000";
var path = new Path2D("m182.9 551.7c0 0.1 0.2 0.3 0.2 0.3s175.2-269 175.2-357.4c0-130.1-88.8-186.7-175.4-186.9-86.6 0.2-175.4 56.8-175.4 186.9 0 88.4 175.3 357.4 175.3 357.4z");
ctx.fill(path)
var iconCharacter = "";
if (iconClass != null) {
var element = document.createElement("i");
element.style.display = "none";
element.className = iconClass;
document.body.appendChild(element);
iconCharacter = getComputedStyle(element, "::before").content.replace(/"/g, '');
let iconFont = "200px " +getComputedStyle(element, "::before").fontFamily
document.body.removeChild(element);
ctx.strokeStyle = color;
ctx.fillStyle = color;
ctx.lineWidth = 15;
ctx.font = iconFont;
var ts = ctx.measureText(iconCharacter);
ctx.fillText(iconCharacter, 182.9 - (ts.width / 2), 250);
ctx.strokeText(iconCharacter, 182.9 - (ts.width / 2), 250);
}
return canvas.toDataURL();
}
}
ngOnInit() {
this.strategy = loadingstrategy.bbox;
@ -157,7 +96,7 @@ export class ItemVectorSourceComponent extends SourceVectorComponent implements
image: itemType.icon ? new style.Icon({
anchor: [0.5, 1],
scale: 0.05,
src: this.getIconImageDataUrl(itemType.icon)
src: this.featureIconService$.getIconImageDataUrl(itemType.icon)
}):null,
stroke: new style.Stroke({
color: 'red',
@ -166,13 +105,13 @@ export class ItemVectorSourceComponent extends SourceVectorComponent implements
fill: new style.Fill({
color: fillColor
}),
geometry: (feature) => this.geometry(feature)
});
} else {
key = 'file';
}
}
var styleEntry = this.styleCache[key];
styleEntry.geometry = (feature) => this.geometry(feature);
return styleEntry;
});
}

44
projects/common-map/src/fm-map/effects/map.effects.ts
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@ -19,10 +19,15 @@ import {commonReducers} from '@farmmaps/common';
import {commonActions} from '@farmmaps/common';
import { IListItem, IItem } from '@farmmaps/common';
import { IItem } from '@farmmaps/common';
import { FolderService, ItemService } from '@farmmaps/common';
import { tassign } from 'tassign';
import {FeatureIconService} from '../services/feature-icon.service';
import * as style from 'ol/style';
@Injectable()
export class MapEffects {
private _geojsonFormat: GeoJSON;
@ -44,10 +49,41 @@ export class MapEffects {
ofType(mapActions.INIT),
withLatestFrom(this.store$.select(commonReducers.selectGetRootItems)),
switchMap(([action, rootItems]) => {
let actions=[];
for (let rootItem of rootItems) {
if (rootItem.itemType == "UPLOADS_FOLDER") return of(new mapActions.SetParent(rootItem.code));
if (rootItem.itemType == "UPLOADS_FOLDER") actions.push(new mapActions.SetParent(rootItem.code));
}
return [];
// initialize default feature styles
actions.push(new mapActions.SetStyle('file',new style.Style({
image: new style.Icon({
anchor: [0.5, 1],
scale: 0.05,
src: this.featureIconService$.getIconImageDataUrl("fa fa-file-o")
}),
stroke: new style.Stroke({
color: 'red',
width: 1
}),
fill: new style.Fill({
color: 'rgba(0, 0, 255, 0.1)'
})
})));
actions.push(new mapActions.SetStyle('selected',new style.Style({
image: new style.Icon({
anchor: [0.5, 1],
scale: 0.08,
src: this.featureIconService$.getIconImageDataUrl(null)
}),
stroke: new style.Stroke({
color: 'red',
width: 3
}),
fill: new style.Fill({
color: 'rgba(0, 0, 255, 0.1)'
})
})));
return actions;
}
));
@ -231,7 +267,7 @@ export class MapEffects {
return of(newAction);
}));
constructor(private actions$: Actions, private store$: Store<mapReducers.State>, private folderService$: FolderService, private itemService$: ItemService) {
constructor(private actions$: Actions, private store$: Store<mapReducers.State>, private folderService$: FolderService, private itemService$: ItemService,private featureIconService$:FeatureIconService) {
this._geojsonFormat = new GeoJSON();
this._wktFormat = new WKT();
}

5
projects/common-map/src/fm-map/models/style.cache.ts Normal file
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@ -0,0 +1,5 @@
import {Style} from 'ol';
export interface IStyleCache{
[id: string]: Style;
};

13
projects/common-map/src/fm-map/reducers/map.reducer.ts
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@ -4,6 +4,7 @@ import { IItemLayer,ItemLayer} from '../models/item.layer';
import { IMapState} from '../models/map.state';
import { IQueryState} from '../models/query.state';
import { IPeriodState} from '../models/period.state';
import { IStyleCache} from '../models/style.cache';
import * as mapActions from '../actions/map.actions';
import {commonActions} from '@farmmaps/common';
import { createSelector, createFeatureSelector } from '@ngrx/store';
@ -51,7 +52,8 @@ export interface State {
selectedItemLayer: IItemLayer,
projection: string,
selectedBaseLayer: IItemLayer,
selectedOverlayLayer: IItemLayer
selectedOverlayLayer: IItemLayer,
styleCache:IStyleCache
}
export const initialState: State = {
@ -84,7 +86,8 @@ export const initialState: State = {
projection: "EPSG:3857",
selectedBaseLayer: null,
selectedOverlayLayer: null,
selectedItemLayer: null
selectedItemLayer: null,
styleCache: {}
}
export function reducer(state = initialState, action: mapActions.Actions | commonActions.Actions | RouterNavigationAction): State {
@ -310,6 +313,12 @@ export function reducer(state = initialState, action: mapActions.Actions | commo
return tassign(state, {});
}
}
case mapActions.SETSTYLE:{
let a = action as mapActions.SetStyle;
let styles = state.styleCache;
styles[a.itemType] = a.style;
return tassign(state,{styleCache:styles});
}
default: {
return state;
}

41
projects/common-map/src/fm-map/services/feature-icon.service.ts Normal file
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@ -0,0 +1,41 @@
import { Injectable} from '@angular/core';
import { Feature } from 'ol';
import { Point } from 'ol/geom';
import * as extent from 'ol/extent';
@Injectable()
export class FeatureIconService {
getIconImageDataUrl(iconClass:string, backgroundColor: string = "#c80a6e",color:string = "#ffffff"): string {
var canvas = document.createElement('canvas');
canvas.width = 365;
canvas.height = 560;
var ctx = canvas.getContext('2d');
ctx.lineWidth = 6;
ctx.fillStyle = backgroundColor;
ctx.strokeStyle = "#000000";
var path = new Path2D("m182.9 551.7c0 0.1 0.2 0.3 0.2 0.3s175.2-269 175.2-357.4c0-130.1-88.8-186.7-175.4-186.9-86.6 0.2-175.4 56.8-175.4 186.9 0 88.4 175.3 357.4 175.3 357.4z");
ctx.fill(path)
var iconCharacter = "";
if (iconClass != null) {
var element = document.createElement("i");
element.style.display = "none";
element.className = iconClass;
document.body.appendChild(element);
iconCharacter = getComputedStyle(element, "::before").content.replace(/"/g, '');
let iconFont = "200px " +getComputedStyle(element, "::before").fontFamily
document.body.removeChild(element);
ctx.strokeStyle = color;
ctx.fillStyle = color;
ctx.lineWidth = 15;
ctx.font = iconFont;
var ts = ctx.measureText(iconCharacter);
ctx.fillText(iconCharacter, 182.9 - (ts.width / 2), 250);
ctx.strokeText(iconCharacter, 182.9 - (ts.width / 2), 250);
}
return canvas.toDataURL();
}
}

8
projects/common/src/fm/services/itemtype.service.ts
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@ -4,9 +4,7 @@ import {IItem} from '../models/item'
import {AppConfig} from '../shared/app.config';
import {HttpClient, HttpXhrBackend} from '@angular/common/http';
@Injectable({
providedIn: 'root',
})
@Injectable()
export class ItemTypeService {
public itemTypes: IItemTypes;
private httpClient: HttpClient;
@ -15,10 +13,6 @@ export class ItemTypeService {
this.httpClient = new HttpClient(xhrBackend);
}
// itemService.getItemTypes().subscribe((itemTypes) => {
// this.itemTypes = itemTypes;
// });
getIcon(itemType: string) {
var icon = "fa fa-file-o";
if (this.itemTypes[itemType]) icon = this.itemTypes[itemType].icon;