145 lines
3.6 KiB
JavaScript
145 lines
3.6 KiB
JavaScript
import Map from '../src/ol/Map.js';
|
|
import View from '../src/ol/View.js';
|
|
import {Draw, Modify, Select, Snap} from '../src/ol/interaction.js';
|
|
import {Tile as TileLayer, Vector as VectorLayer} from '../src/ol/layer.js';
|
|
import {OSM, Vector as VectorSource} from '../src/ol/source.js';
|
|
import {Circle as CircleStyle, Fill, Stroke, Style} from '../src/ol/style.js';
|
|
|
|
const raster = new TileLayer({
|
|
source: new OSM()
|
|
});
|
|
|
|
const vector = new VectorLayer({
|
|
source: new VectorSource(),
|
|
style: new Style({
|
|
fill: new Fill({
|
|
color: 'rgba(255, 255, 255, 0.2)'
|
|
}),
|
|
stroke: new Stroke({
|
|
color: '#ffcc33',
|
|
width: 2
|
|
}),
|
|
image: new CircleStyle({
|
|
radius: 7,
|
|
fill: new Fill({
|
|
color: '#ffcc33'
|
|
})
|
|
})
|
|
})
|
|
});
|
|
|
|
const map = new Map({
|
|
layers: [raster, vector],
|
|
target: 'map',
|
|
view: new View({
|
|
center: [-11000000, 4600000],
|
|
zoom: 4
|
|
})
|
|
});
|
|
|
|
const ExampleModify = {
|
|
init: function() {
|
|
this.select = new Select();
|
|
map.addInteraction(this.select);
|
|
|
|
this.modify = new Modify({
|
|
features: this.select.getFeatures()
|
|
});
|
|
map.addInteraction(this.modify);
|
|
|
|
this.setEvents();
|
|
},
|
|
setEvents: function() {
|
|
const selectedFeatures = this.select.getFeatures();
|
|
|
|
this.select.on('change:active', function() {
|
|
selectedFeatures.forEach(function(each) {
|
|
selectedFeatures.remove(each);
|
|
});
|
|
});
|
|
},
|
|
setActive: function(active) {
|
|
this.select.setActive(active);
|
|
this.modify.setActive(active);
|
|
}
|
|
};
|
|
ExampleModify.init();
|
|
|
|
const optionsForm = document.getElementById('options-form');
|
|
|
|
const ExampleDraw = {
|
|
init: function() {
|
|
map.addInteraction(this.Point);
|
|
this.Point.setActive(false);
|
|
map.addInteraction(this.LineString);
|
|
this.LineString.setActive(false);
|
|
map.addInteraction(this.Polygon);
|
|
this.Polygon.setActive(false);
|
|
map.addInteraction(this.Circle);
|
|
this.Circle.setActive(false);
|
|
},
|
|
Point: new Draw({
|
|
source: vector.getSource(),
|
|
type: 'Point'
|
|
}),
|
|
LineString: new Draw({
|
|
source: vector.getSource(),
|
|
type: 'LineString'
|
|
}),
|
|
Polygon: new Draw({
|
|
source: vector.getSource(),
|
|
type: 'Polygon'
|
|
}),
|
|
Circle: new Draw({
|
|
source: vector.getSource(),
|
|
type: 'Circle'
|
|
}),
|
|
getActive: function() {
|
|
return this.activeType ? this[this.activeType].getActive() : false;
|
|
},
|
|
setActive: function(active) {
|
|
const type = optionsForm.elements['draw-type'].value;
|
|
if (active) {
|
|
this.activeType && this[this.activeType].setActive(false);
|
|
this[type].setActive(true);
|
|
this.activeType = type;
|
|
} else {
|
|
this.activeType && this[this.activeType].setActive(false);
|
|
this.activeType = null;
|
|
}
|
|
}
|
|
};
|
|
ExampleDraw.init();
|
|
|
|
|
|
/**
|
|
* Let user change the geometry type.
|
|
* @param {Event} e Change event.
|
|
*/
|
|
optionsForm.onchange = function(e) {
|
|
const type = e.target.getAttribute('name');
|
|
const value = e.target.value;
|
|
if (type == 'draw-type') {
|
|
ExampleDraw.getActive() && ExampleDraw.setActive(true);
|
|
} else if (type == 'interaction') {
|
|
if (value == 'modify') {
|
|
ExampleDraw.setActive(false);
|
|
ExampleModify.setActive(true);
|
|
} else if (value == 'draw') {
|
|
ExampleDraw.setActive(true);
|
|
ExampleModify.setActive(false);
|
|
}
|
|
}
|
|
};
|
|
|
|
ExampleDraw.setActive(true);
|
|
ExampleModify.setActive(false);
|
|
|
|
// The snap interaction must be added after the Modify and Draw interactions
|
|
// in order for its map browser event handlers to be fired first. Its handlers
|
|
// are responsible of doing the snapping.
|
|
const snap = new Snap({
|
|
source: vector.getSource()
|
|
});
|
|
map.addInteraction(snap);
|