markus/lifomapserver
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
feature/trainlines-wip
lifomapserver/htdocs/leafletjs/Leaflet.Editable.js

1947 lines
73 KiB
JavaScript
Raw Permalink Normal View History

Add street editor Accessible by setting ?editor
2020-04-17 21:47:12 +02:00
'use strict';
(function (factory, window) {
/*globals define, module, require*/
// define an AMD module that relies on 'leaflet'
if (typeof define === 'function' && define.amd) {
define(['leaflet'], factory);
// define a Common JS module that relies on 'leaflet'
} else if (typeof exports === 'object') {
module.exports = factory(require('leaflet'));
}
// attach your plugin to the global 'L' variable
if(typeof window !== 'undefined' && window.L){
factory(window.L);
}
}(function (L) {
// 🍂miniclass CancelableEvent (Event objects)
// 🍂method cancel()
// Cancel any subsequent action.
// 🍂miniclass VertexEvent (Event objects)
// 🍂property vertex: VertexMarker
// The vertex that fires the event.
// 🍂miniclass ShapeEvent (Event objects)
// 🍂property shape: Array
// The shape (LatLngs array) subject of the action.
// 🍂miniclass CancelableVertexEvent (Event objects)
// 🍂inherits VertexEvent
// 🍂inherits CancelableEvent
// 🍂miniclass CancelableShapeEvent (Event objects)
// 🍂inherits ShapeEvent
// 🍂inherits CancelableEvent
// 🍂miniclass LayerEvent (Event objects)
// 🍂property layer: object
// The Layer (Marker, Polyline…) subject of the action.
// 🍂namespace Editable; 🍂class Editable; 🍂aka L.Editable
// Main edition handler. By default, it is attached to the map
// as `map.editTools` property.
// Leaflet.Editable is made to be fully extendable. You have three ways to customize
// the behaviour: using options, listening to events, or extending.
L.Editable = L.Evented.extend({
statics: {
FORWARD: 1,
BACKWARD: -1
},
options: {
// You can pass them when creating a map using the `editOptions` key.
// 🍂option zIndex: int = 1000
// The default zIndex of the editing tools.
zIndex: 1000,
// 🍂option polygonClass: class = L.Polygon
// Class to be used when creating a new Polygon.
polygonClass: L.Polygon,
// 🍂option polylineClass: class = L.Polyline
// Class to be used when creating a new Polyline.
polylineClass: L.Polyline,
// 🍂option markerClass: class = L.Marker
// Class to be used when creating a new Marker.
markerClass: L.Marker,
// 🍂option rectangleClass: class = L.Rectangle
// Class to be used when creating a new Rectangle.
rectangleClass: L.Rectangle,
// 🍂option circleClass: class = L.Circle
// Class to be used when creating a new Circle.
circleClass: L.Circle,
// 🍂option drawingCSSClass: string = 'leaflet-editable-drawing'
// CSS class to be added to the map container while drawing.
drawingCSSClass: 'leaflet-editable-drawing',
// 🍂option drawingCursor: const = 'crosshair'
// Cursor mode set to the map while drawing.
drawingCursor: 'crosshair',
// 🍂option editLayer: Layer = new L.LayerGroup()
// Layer used to store edit tools (vertex, line guide…).
editLayer: undefined,
// 🍂option featuresLayer: Layer = new L.LayerGroup()
// Default layer used to store drawn features (Marker, Polyline…).
featuresLayer: undefined,
// 🍂option polylineEditorClass: class = PolylineEditor
// Class to be used as Polyline editor.
polylineEditorClass: undefined,
// 🍂option polygonEditorClass: class = PolygonEditor
// Class to be used as Polygon editor.
polygonEditorClass: undefined,
// 🍂option markerEditorClass: class = MarkerEditor
// Class to be used as Marker editor.
markerEditorClass: undefined,
// 🍂option rectangleEditorClass: class = RectangleEditor
// Class to be used as Rectangle editor.
rectangleEditorClass: undefined,
// 🍂option circleEditorClass: class = CircleEditor
// Class to be used as Circle editor.
circleEditorClass: undefined,
// 🍂option lineGuideOptions: hash = {}
// Options to be passed to the line guides.
lineGuideOptions: {},
// 🍂option skipMiddleMarkers: boolean = false
// Set this to true if you don't want middle markers.
skipMiddleMarkers: false
},
initialize: function (map, options) {
L.setOptions(this, options);
this._lastZIndex = this.options.zIndex;
this.map = map;
this.editLayer = this.createEditLayer();
this.featuresLayer = this.createFeaturesLayer();
this.forwardLineGuide = this.createLineGuide();
this.backwardLineGuide = this.createLineGuide();
},
fireAndForward: function (type, e) {
e = e || {};
e.editTools = this;
this.fire(type, e);
this.map.fire(type, e);
},
createLineGuide: function () {
var options = L.extend({dashArray: '5,10', weight: 1, interactive: false}, this.options.lineGuideOptions);
return L.polyline([], options);
},
createVertexIcon: function (options) {
return L.Browser.mobile && L.Browser.touch ? new L.Editable.TouchVertexIcon(options) : new L.Editable.VertexIcon(options);
},
createEditLayer: function () {
return this.options.editLayer || new L.LayerGroup().addTo(this.map);
},
createFeaturesLayer: function () {
return this.options.featuresLayer || new L.LayerGroup().addTo(this.map);
},
moveForwardLineGuide: function (latlng) {
if (this.forwardLineGuide._latlngs.length) {
this.forwardLineGuide._latlngs[1] = latlng;
this.forwardLineGuide._bounds.extend(latlng);
this.forwardLineGuide.redraw();
}
},
moveBackwardLineGuide: function (latlng) {
if (this.backwardLineGuide._latlngs.length) {
this.backwardLineGuide._latlngs[1] = latlng;
this.backwardLineGuide._bounds.extend(latlng);
this.backwardLineGuide.redraw();
}
},
anchorForwardLineGuide: function (latlng) {
this.forwardLineGuide._latlngs[0] = latlng;
this.forwardLineGuide._bounds.extend(latlng);
this.forwardLineGuide.redraw();
},
anchorBackwardLineGuide: function (latlng) {
this.backwardLineGuide._latlngs[0] = latlng;
this.backwardLineGuide._bounds.extend(latlng);
this.backwardLineGuide.redraw();
},
attachForwardLineGuide: function () {
this.editLayer.addLayer(this.forwardLineGuide);
},
attachBackwardLineGuide: function () {
this.editLayer.addLayer(this.backwardLineGuide);
},
detachForwardLineGuide: function () {
this.forwardLineGuide.setLatLngs([]);
this.editLayer.removeLayer(this.forwardLineGuide);
},
detachBackwardLineGuide: function () {
this.backwardLineGuide.setLatLngs([]);
this.editLayer.removeLayer(this.backwardLineGuide);
},
blockEvents: function () {
// Hack: force map not to listen to other layers events while drawing.
if (!this._oldTargets) {
this._oldTargets = this.map._targets;
this.map._targets = {};
}
},
unblockEvents: function () {
if (this._oldTargets) {
// Reset, but keep targets created while drawing.
this.map._targets = L.extend(this.map._targets, this._oldTargets);
delete this._oldTargets;
}
},
registerForDrawing: function (editor) {
if (this._drawingEditor) this.unregisterForDrawing(this._drawingEditor);
this.blockEvents();
editor.reset(); // Make sure editor tools still receive events.
this._drawingEditor = editor;
this.map.on('mousemove touchmove', editor.onDrawingMouseMove, editor);
this.map.on('mousedown', this.onMousedown, this);
this.map.on('mouseup', this.onMouseup, this);
L.DomUtil.addClass(this.map._container, this.options.drawingCSSClass);
this.defaultMapCursor = this.map._container.style.cursor;
this.map._container.style.cursor = this.options.drawingCursor;
},
unregisterForDrawing: function (editor) {
this.unblockEvents();
L.DomUtil.removeClass(this.map._container, this.options.drawingCSSClass);
this.map._container.style.cursor = this.defaultMapCursor;
editor = editor || this._drawingEditor;
if (!editor) return;
this.map.off('mousemove touchmove', editor.onDrawingMouseMove, editor);
this.map.off('mousedown', this.onMousedown, this);
this.map.off('mouseup', this.onMouseup, this);
if (editor !== this._drawingEditor) return;
delete this._drawingEditor;
if (editor._drawing) editor.cancelDrawing();
},
onMousedown: function (e) {
if (e.originalEvent.which != 1) return;
this._mouseDown = e;
this._drawingEditor.onDrawingMouseDown(e);
},
onMouseup: function (e) {
if (this._mouseDown) {
var editor = this._drawingEditor,
mouseDown = this._mouseDown;
this._mouseDown = null;
editor.onDrawingMouseUp(e);
if (this._drawingEditor !== editor) return; // onDrawingMouseUp may call unregisterFromDrawing.
var origin = L.point(mouseDown.originalEvent.clientX, mouseDown.originalEvent.clientY);
var distance = L.point(e.originalEvent.clientX, e.originalEvent.clientY).distanceTo(origin);
if (Math.abs(distance) < 9 * (window.devicePixelRatio || 1)) this._drawingEditor.onDrawingClick(e);
}
},
// 🍂section Public methods
// You will generally access them by the `map.editTools`
// instance:
//
// `map.editTools.startPolyline();`
// 🍂method drawing(): boolean
// Return true if any drawing action is ongoing.
drawing: function () {
return this._drawingEditor && this._drawingEditor.drawing();
},
// 🍂method stopDrawing()
// When you need to stop any ongoing drawing, without needing to know which editor is active.
stopDrawing: function () {
this.unregisterForDrawing();
},
// 🍂method commitDrawing()
// When you need to commit any ongoing drawing, without needing to know which editor is active.
commitDrawing: function (e) {
if (!this._drawingEditor) return;
this._drawingEditor.commitDrawing(e);
},
connectCreatedToMap: function (layer) {
return this.featuresLayer.addLayer(layer);
},
// 🍂method startPolyline(latlng: L.LatLng, options: hash): L.Polyline
// Start drawing a Polyline. If `latlng` is given, a first point will be added. In any case, continuing on user click.
// If `options` is given, it will be passed to the Polyline class constructor.
startPolyline: function (latlng, options) {
var line = this.createPolyline([], options);
line.enableEdit(this.map).newShape(latlng);
return line;
},
// 🍂method startPolygon(latlng: L.LatLng, options: hash): L.Polygon
// Start drawing a Polygon. If `latlng` is given, a first point will be added. In any case, continuing on user click.
// If `options` is given, it will be passed to the Polygon class constructor.
startPolygon: function (latlng, options) {
var polygon = this.createPolygon([], options);
polygon.enableEdit(this.map).newShape(latlng);
return polygon;
},
// 🍂method startMarker(latlng: L.LatLng, options: hash): L.Marker
// Start adding a Marker. If `latlng` is given, the Marker will be shown first at this point.
// In any case, it will follow the user mouse, and will have a final `latlng` on next click (or touch).
// If `options` is given, it will be passed to the Marker class constructor.
startMarker: function (latlng, options) {
latlng = latlng || this.map.getCenter().clone();
var marker = this.createMarker(latlng, options);
marker.enableEdit(this.map).startDrawing();
return marker;
},
// 🍂method startRectangle(latlng: L.LatLng, options: hash): L.Rectangle
// Start drawing a Rectangle. If `latlng` is given, the Rectangle anchor will be added. In any case, continuing on user drag.
// If `options` is given, it will be passed to the Rectangle class constructor.
startRectangle: function(latlng, options) {
var corner = latlng || L.latLng([0, 0]);
var bounds = new L.LatLngBounds(corner, corner);
var rectangle = this.createRectangle(bounds, options);
rectangle.enableEdit(this.map).startDrawing();
return rectangle;
},
// 🍂method startCircle(latlng: L.LatLng, options: hash): L.Circle
// Start drawing a Circle. If `latlng` is given, the Circle anchor will be added. In any case, continuing on user drag.
// If `options` is given, it will be passed to the Circle class constructor.
startCircle: function (latlng, options) {
latlng = latlng || this.map.getCenter().clone();
var circle = this.createCircle(latlng, options);
circle.enableEdit(this.map).startDrawing();
return circle;
},
startHole: function (editor, latlng) {
editor.newHole(latlng);
},
createLayer: function (klass, latlngs, options) {
options = L.Util.extend({editOptions: {editTools: this}}, options);
var layer = new klass(latlngs, options);
// 🍂namespace Editable
// 🍂event editable:created: LayerEvent
// Fired when a new feature (Marker, Polyline…) is created.
this.fireAndForward('editable:created', {layer: layer});
return layer;
},
createPolyline: function (latlngs, options) {
return this.createLayer(options && options.polylineClass || this.options.polylineClass, latlngs, options);
},
createPolygon: function (latlngs, options) {
return this.createLayer(options && options.polygonClass || this.options.polygonClass, latlngs, options);
},
createMarker: function (latlng, options) {
return this.createLayer(options && options.markerClass || this.options.markerClass, latlng, options);
},
createRectangle: function (bounds, options) {
return this.createLayer(options && options.rectangleClass || this.options.rectangleClass, bounds, options);
},
createCircle: function (latlng, options) {
return this.createLayer(options && options.circleClass || this.options.circleClass, latlng, options);
}
});
L.extend(L.Editable, {
makeCancellable: function (e) {
e.cancel = function () {
e._cancelled = true;
};
}
});
// 🍂namespace Map; 🍂class Map
// Leaflet.Editable add options and events to the `L.Map` object.
// See `Editable` events for the list of events fired on the Map.
// 🍂example
//
// ```js
// var map = L.map('map', {
// editable: true,
// editOptions: {
// …
// }
// });
// ```
// 🍂section Editable Map Options
L.Map.mergeOptions({
// 🍂namespace Map
// 🍂section Map Options
// 🍂option editToolsClass: class = L.Editable
// Class to be used as vertex, for path editing.
editToolsClass: L.Editable,
// 🍂option editable: boolean = false
// Whether to create a L.Editable instance at map init.
editable: false,
// 🍂option editOptions: hash = {}
// Options to pass to L.Editable when instantiating.
editOptions: {}
});
L.Map.addInitHook(function () {
this.whenReady(function () {
if (this.options.editable) {
this.editTools = new this.options.editToolsClass(this, this.options.editOptions);
}
});
});
L.Editable.VertexIcon = L.DivIcon.extend({
options: {
iconSize: new L.Point(8, 8)
}
});
L.Editable.TouchVertexIcon = L.Editable.VertexIcon.extend({
options: {
iconSize: new L.Point(20, 20)
}
});
// 🍂namespace Editable; 🍂class VertexMarker; Handler for dragging path vertices.
L.Editable.VertexMarker = L.Marker.extend({
options: {
draggable: true,
className: 'leaflet-div-icon leaflet-vertex-icon'
},
// 🍂section Public methods
// The marker used to handle path vertex. You will usually interact with a `VertexMarker`
// instance when listening for events like `editable:vertex:ctrlclick`.
initialize: function (latlng, latlngs, editor, options) {
// We don't use this._latlng, because on drag Leaflet replace it while
// we want to keep reference.
this.latlng = latlng;
this.latlngs = latlngs;
this.editor = editor;
L.Marker.prototype.initialize.call(this, latlng, options);
this.options.icon = this.editor.tools.createVertexIcon({className: this.options.className});
this.latlng.__vertex = this;
this.editor.editLayer.addLayer(this);
this.setZIndexOffset(editor.tools._lastZIndex + 1);
},
onAdd: function (map) {
L.Marker.prototype.onAdd.call(this, map);
this.on('drag', this.onDrag);
this.on('dragstart', this.onDragStart);
this.on('dragend', this.onDragEnd);
this.on('mouseup', this.onMouseup);
this.on('click', this.onClick);
this.on('contextmenu', this.onContextMenu);
this.on('mousedown touchstart', this.onMouseDown);
this.on('mouseover', this.onMouseOver);
this.on('mouseout', this.onMouseOut);
this.addMiddleMarkers();
},
onRemove: function (map) {
if (this.middleMarker) this.middleMarker.delete();
delete this.latlng.__vertex;
this.off('drag', this.onDrag);
this.off('dragstart', this.onDragStart);
this.off('dragend', this.onDragEnd);
this.off('mouseup', this.onMouseup);
this.off('click', this.onClick);
this.off('contextmenu', this.onContextMenu);
this.off('mousedown touchstart', this.onMouseDown);
this.off('mouseover', this.onMouseOver);
this.off('mouseout', this.onMouseOut);
L.Marker.prototype.onRemove.call(this, map);
},
onDrag: function (e) {
e.vertex = this;
this.editor.onVertexMarkerDrag(e);
var iconPos = L.DomUtil.getPosition(this._icon),
latlng = this._map.layerPointToLatLng(iconPos);
this.latlng.update(latlng);
this._latlng = this.latlng; // Push back to Leaflet our reference.
this.editor.refresh();
if (this.middleMarker) this.middleMarker.updateLatLng();
var next = this.getNext();
if (next && next.middleMarker) next.middleMarker.updateLatLng();
},
onDragStart: function (e) {
e.vertex = this;
this.editor.onVertexMarkerDragStart(e);
},
onDragEnd: function (e) {
e.vertex = this;
this.editor.onVertexMarkerDragEnd(e);
},
onClick: function (e) {
e.vertex = this;
this.editor.onVertexMarkerClick(e);
},
onMouseup: function (e) {
L.DomEvent.stop(e);
e.vertex = this;
this.editor.map.fire('mouseup', e);
},
onContextMenu: function (e) {
e.vertex = this;
this.editor.onVertexMarkerContextMenu(e);
},
onMouseDown: function (e) {
e.vertex = this;
this.editor.onVertexMarkerMouseDown(e);
},
onMouseOver: function (e) {
e.vertex = this;
this.editor.onVertexMarkerMouseOver(e);
},
onMouseOut: function (e) {
e.vertex = this;
this.editor.onVertexMarkerMouseOut(e);
},
// 🍂method delete()
// Delete a vertex and the related LatLng.
delete: function () {
var next = this.getNext(); // Compute before changing latlng
this.latlngs.splice(this.getIndex(), 1);
this.editor.editLayer.removeLayer(this);
this.editor.onVertexDeleted({latlng: this.latlng, vertex: this});
if (!this.latlngs.length) this.editor.deleteShape(this.latlngs);
if (next) next.resetMiddleMarker();
this.editor.refresh();
},
// 🍂method getIndex(): int
// Get the index of the current vertex among others of the same LatLngs group.
getIndex: function () {
return this.latlngs.indexOf(this.latlng);
},
// 🍂method getLastIndex(): int
// Get last vertex index of the LatLngs group of the current vertex.
getLastIndex: function () {
return this.latlngs.length - 1;
},
// 🍂method getPrevious(): VertexMarker
// Get the previous VertexMarker in the same LatLngs group.
getPrevious: function () {
if (this.latlngs.length < 2) return;
var index = this.getIndex(),
previousIndex = index - 1;
if (index === 0 && this.editor.CLOSED) previousIndex = this.getLastIndex();
var previous = this.latlngs[previousIndex];
if (previous) return previous.__vertex;
},
// 🍂method getNext(): VertexMarker
// Get the next VertexMarker in the same LatLngs group.
getNext: function () {
if (this.latlngs.length < 2) return;
var index = this.getIndex(),
nextIndex = index + 1;
if (index === this.getLastIndex() && this.editor.CLOSED) nextIndex = 0;
var next = this.latlngs[nextIndex];
if (next) return next.__vertex;
},
addMiddleMarker: function (previous) {
if (!this.editor.hasMiddleMarkers()) return;
previous = previous || this.getPrevious();
if (previous && !this.middleMarker) this.middleMarker = this.editor.addMiddleMarker(previous, this, this.latlngs, this.editor);
},
addMiddleMarkers: function () {
if (!this.editor.hasMiddleMarkers()) return;
var previous = this.getPrevious();
if (previous) this.addMiddleMarker(previous);
var next = this.getNext();
if (next) next.resetMiddleMarker();
},
resetMiddleMarker: function () {
if (this.middleMarker) this.middleMarker.delete();
this.addMiddleMarker();
},
// 🍂method split()
// Split the vertex LatLngs group at its index, if possible.
split: function () {
if (!this.editor.splitShape) return; // Only for PolylineEditor
this.editor.splitShape(this.latlngs, this.getIndex());
},
// 🍂method continue()
// Continue the vertex LatLngs from this vertex. Only active for first and last vertices of a Polyline.
continue: function () {
if (!this.editor.continueBackward) return; // Only for PolylineEditor
var index = this.getIndex();
if (index === 0) this.editor.continueBackward(this.latlngs);
else if (index === this.getLastIndex()) this.editor.continueForward(this.latlngs);
}
});
L.Editable.mergeOptions({
// 🍂namespace Editable
// 🍂option vertexMarkerClass: class = VertexMarker
// Class to be used as vertex, for path editing.
vertexMarkerClass: L.Editable.VertexMarker
});
L.Editable.MiddleMarker = L.Marker.extend({
options: {
opacity: 0.5,
className: 'leaflet-div-icon leaflet-middle-icon',
draggable: true
},
initialize: function (left, right, latlngs, editor, options) {
this.left = left;
this.right = right;
this.editor = editor;
this.latlngs = latlngs;
L.Marker.prototype.initialize.call(this, this.computeLatLng(), options);
this._opacity = this.options.opacity;
this.options.icon = this.editor.tools.createVertexIcon({className: this.options.className});
this.editor.editLayer.addLayer(this);
this.setVisibility();
},
setVisibility: function () {
var leftPoint = this._map.latLngToContainerPoint(this.left.latlng),
rightPoint = this._map.latLngToContainerPoint(this.right.latlng),
size = L.point(this.options.icon.options.iconSize);
if (leftPoint.distanceTo(rightPoint) < size.x * 3) this.hide();
else this.show();
},
show: function () {
this.setOpacity(this._opacity);
},
hide: function () {
this.setOpacity(0);
},
updateLatLng: function () {
this.setLatLng(this.computeLatLng());
this.setVisibility();
},
computeLatLng: function () {
var leftPoint = this.editor.map.latLngToContainerPoint(this.left.latlng),
rightPoint = this.editor.map.latLngToContainerPoint(this.right.latlng),
y = (leftPoint.y + rightPoint.y) / 2,
x = (leftPoint.x + rightPoint.x) / 2;
return this.editor.map.containerPointToLatLng([x, y]);
},
onAdd: function (map) {
L.Marker.prototype.onAdd.call(this, map);
L.DomEvent.on(this._icon, 'mousedown touchstart', this.onMouseDown, this);
map.on('zoomend', this.setVisibility, this);
},
onRemove: function (map) {
delete this.right.middleMarker;
L.DomEvent.off(this._icon, 'mousedown touchstart', this.onMouseDown, this);
map.off('zoomend', this.setVisibility, this);
L.Marker.prototype.onRemove.call(this, map);
},
onMouseDown: function (e) {
var iconPos = L.DomUtil.getPosition(this._icon),
latlng = this.editor.map.layerPointToLatLng(iconPos);
e = {
originalEvent: e,
latlng: latlng
};
if (this.options.opacity === 0) return;
L.Editable.makeCancellable(e);
this.editor.onMiddleMarkerMouseDown(e);
if (e._cancelled) return;
this.latlngs.splice(this.index(), 0, e.latlng);
this.editor.refresh();
var icon = this._icon;
var marker = this.editor.addVertexMarker(e.latlng, this.latlngs);
this.editor.onNewVertex(marker);
/* Hack to workaround browser not firing touchend when element is no more on DOM */
var parent = marker._icon.parentNode;
parent.removeChild(marker._icon);
marker._icon = icon;
parent.appendChild(marker._icon);
marker._initIcon();
marker._initInteraction();
marker.setOpacity(1);
/* End hack */
// Transfer ongoing dragging to real marker
L.Draggable._dragging = false;
marker.dragging._draggable._onDown(e.originalEvent);
this.delete();
},
delete: function () {
this.editor.editLayer.removeLayer(this);
},
index: function () {
return this.latlngs.indexOf(this.right.latlng);
}
});
L.Editable.mergeOptions({
// 🍂namespace Editable
// 🍂option middleMarkerClass: class = VertexMarker
// Class to be used as middle vertex, pulled by the user to create a new point in the middle of a path.
middleMarkerClass: L.Editable.MiddleMarker
});
// 🍂namespace Editable; 🍂class BaseEditor; 🍂aka L.Editable.BaseEditor
// When editing a feature (Marker, Polyline…), an editor is attached to it. This
// editor basically knows how to handle the edition.
L.Editable.BaseEditor = L.Handler.extend({
initialize: function (map, feature, options) {
L.setOptions(this, options);
this.map = map;
this.feature = feature;
this.feature.editor = this;
this.editLayer = new L.LayerGroup();
this.tools = this.options.editTools || map.editTools;
},
// 🍂method enable(): this
// Set up the drawing tools for the feature to be editable.
addHooks: function () {
if (this.isConnected()) this.onFeatureAdd();
else this.feature.once('add', this.onFeatureAdd, this);
this.onEnable();
this.feature.on(this._getEvents(), this);
},
// 🍂method disable(): this
// Remove the drawing tools for the feature.
removeHooks: function () {
this.feature.off(this._getEvents(), this);
if (this.feature.dragging) this.feature.dragging.disable();
this.editLayer.clearLayers();
this.tools.editLayer.removeLayer(this.editLayer);
this.onDisable();
if (this._drawing) this.cancelDrawing();
},
// 🍂method drawing(): boolean
// Return true if any drawing action is ongoing with this editor.
drawing: function () {
return !!this._drawing;
},
reset: function () {},
onFeatureAdd: function () {
this.tools.editLayer.addLayer(this.editLayer);
if (this.feature.dragging) this.feature.dragging.enable();
},
hasMiddleMarkers: function () {
return !this.options.skipMiddleMarkers && !this.tools.options.skipMiddleMarkers;
},
fireAndForward: function (type, e) {
e = e || {};
e.layer = this.feature;
this.feature.fire(type, e);
this.tools.fireAndForward(type, e);
},
onEnable: function () {
// 🍂namespace Editable
// 🍂event editable:enable: Event
// Fired when an existing feature is ready to be edited.
this.fireAndForward('editable:enable');
},
onDisable: function () {
// 🍂namespace Editable
// 🍂event editable:disable: Event
// Fired when an existing feature is not ready anymore to be edited.
this.fireAndForward('editable:disable');
},
onEditing: function () {
// 🍂namespace Editable
// 🍂event editable:editing: Event
// Fired as soon as any change is made to the feature geometry.
this.fireAndForward('editable:editing');
},
onStartDrawing: function () {
// 🍂namespace Editable
// 🍂section Drawing events
// 🍂event editable:drawing:start: Event
// Fired when a feature is to be drawn.
this.fireAndForward('editable:drawing:start');
},
onEndDrawing: function () {
// 🍂namespace Editable
// 🍂section Drawing events
// 🍂event editable:drawing:end: Event
// Fired when a feature is not drawn anymore.
this.fireAndForward('editable:drawing:end');
},
onCancelDrawing: function () {
// 🍂namespace Editable
// 🍂section Drawing events
// 🍂event editable:drawing:cancel: Event
// Fired when user cancel drawing while a feature is being drawn.
this.fireAndForward('editable:drawing:cancel');
},
onCommitDrawing: function (e) {
// 🍂namespace Editable
// 🍂section Drawing events
// 🍂event editable:drawing:commit: Event
// Fired when user finish drawing a feature.
this.fireAndForward('editable:drawing:commit', e);
},
onDrawingMouseDown: function (e) {
// 🍂namespace Editable
// 🍂section Drawing events
// 🍂event editable:drawing:mousedown: Event
// Fired when user `mousedown` while drawing.
this.fireAndForward('editable:drawing:mousedown', e);
},
onDrawingMouseUp: function (e) {
// 🍂namespace Editable
// 🍂section Drawing events
// 🍂event editable:drawing:mouseup: Event
// Fired when user `mouseup` while drawing.
this.fireAndForward('editable:drawing:mouseup', e);
},
startDrawing: function () {
if (!this._drawing) this._drawing = L.Editable.FORWARD;
this.tools.registerForDrawing(this);
this.onStartDrawing();
},
commitDrawing: function (e) {
this.onCommitDrawing(e);
this.endDrawing();
},
cancelDrawing: function () {
// If called during a vertex drag, the vertex will be removed before
// the mouseup fires on it. This is a workaround. Maybe better fix is
// To have L.Draggable reset it's status on disable (Leaflet side).
L.Draggable._dragging = false;
this.onCancelDrawing();
this.endDrawing();
},
endDrawing: function () {
this._drawing = false;
this.tools.unregisterForDrawing(this);
this.onEndDrawing();
},
onDrawingClick: function (e) {
if (!this.drawing()) return;
L.Editable.makeCancellable(e);
// 🍂namespace Editable
// 🍂section Drawing events
// 🍂event editable:drawing:click: CancelableEvent
// Fired when user `click` while drawing, before any internal action is being processed.
this.fireAndForward('editable:drawing:click', e);
if (e._cancelled) return;
if (!this.isConnected()) this.connect(e);
this.processDrawingClick(e);
},
isConnected: function () {
return this.map.hasLayer(this.feature);
},
connect: function () {
this.tools.connectCreatedToMap(this.feature);
this.tools.editLayer.addLayer(this.editLayer);
},
onMove: function (e) {
// 🍂namespace Editable
// 🍂section Drawing events
// 🍂event editable:drawing:move: Event
// Fired when `move` mouse while drawing, while dragging a marker, and while dragging a vertex.
this.fireAndForward('editable:drawing:move', e);
},
onDrawingMouseMove: function (e) {
this.onMove(e);
},
_getEvents: function () {
return {
dragstart: this.onDragStart,
drag: this.onDrag,
dragend: this.onDragEnd,
remove: this.disable
};
},
onDragStart: function (e) {
this.onEditing();
// 🍂namespace Editable
// 🍂event editable:dragstart: Event
// Fired before a path feature is dragged.
this.fireAndForward('editable:dragstart', e);
},
onDrag: function (e) {
this.onMove(e);
// 🍂namespace Editable
// 🍂event editable:drag: Event
// Fired when a path feature is being dragged.
this.fireAndForward('editable:drag', e);
},
onDragEnd: function (e) {
// 🍂namespace Editable
// 🍂event editable:dragend: Event
// Fired after a path feature has been dragged.
this.fireAndForward('editable:dragend', e);
}
});
// 🍂namespace Editable; 🍂class MarkerEditor; 🍂aka L.Editable.MarkerEditor
// 🍂inherits BaseEditor
// Editor for Marker.
L.Editable.MarkerEditor = L.Editable.BaseEditor.extend({
onDrawingMouseMove: function (e) {
L.Editable.BaseEditor.prototype.onDrawingMouseMove.call(this, e);
if (this._drawing) this.feature.setLatLng(e.latlng);
},
processDrawingClick: function (e) {
// 🍂namespace Editable
// 🍂section Drawing events
// 🍂event editable:drawing:clicked: Event
// Fired when user `click` while drawing, after all internal actions.
this.fireAndForward('editable:drawing:clicked', e);
this.commitDrawing(e);
},
connect: function (e) {
// On touch, the latlng has not been updated because there is
// no mousemove.
if (e) this.feature._latlng = e.latlng;
L.Editable.BaseEditor.prototype.connect.call(this, e);
}
});
// 🍂namespace Editable; 🍂class PathEditor; 🍂aka L.Editable.PathEditor
// 🍂inherits BaseEditor
// Base class for all path editors.
L.Editable.PathEditor = L.Editable.BaseEditor.extend({
CLOSED: false,
MIN_VERTEX: 2,
addHooks: function () {
L.Editable.BaseEditor.prototype.addHooks.call(this);
if (this.feature) this.initVertexMarkers();
return this;
},
initVertexMarkers: function (latlngs) {
if (!this.enabled()) return;
latlngs = latlngs || this.getLatLngs();
if (isFlat(latlngs)) this.addVertexMarkers(latlngs);
else for (var i = 0; i < latlngs.length; i++) this.initVertexMarkers(latlngs[i]);
},
getLatLngs: function () {
return this.feature.getLatLngs();
},
// 🍂method reset()
// Rebuild edit elements (Vertex, MiddleMarker, etc.).
reset: function () {
this.editLayer.clearLayers();
this.initVertexMarkers();
},
addVertexMarker: function (latlng, latlngs) {
return new this.tools.options.vertexMarkerClass(latlng, latlngs, this);
},
onNewVertex: function (vertex) {
// 🍂namespace Editable
// 🍂section Vertex events
// 🍂event editable:vertex:new: VertexEvent
// Fired when a new vertex is created.
this.fireAndForward('editable:vertex:new', {latlng: vertex.latlng, vertex: vertex});
},
addVertexMarkers: function (latlngs) {
for (var i = 0; i < latlngs.length; i++) {
this.addVertexMarker(latlngs[i], latlngs);
}
},
refreshVertexMarkers: function (latlngs) {
latlngs = latlngs || this.getDefaultLatLngs();
for (var i = 0; i < latlngs.length; i++) {
latlngs[i].__vertex.update();
}
},
addMiddleMarker: function (left, right, latlngs) {
return new this.tools.options.middleMarkerClass(left, right, latlngs, this);
},
onVertexMarkerClick: function (e) {
L.Editable.makeCancellable(e);
// 🍂namespace Editable
// 🍂section Vertex events
// 🍂event editable:vertex:click: CancelableVertexEvent
// Fired when a `click` is issued on a vertex, before any internal action is being processed.
this.fireAndForward('editable:vertex:click', e);
if (e._cancelled) return;
if (this.tools.drawing() && this.tools._drawingEditor !== this) return;
var index = e.vertex.getIndex(), commit;
if (e.originalEvent.ctrlKey) {
this.onVertexMarkerCtrlClick(e);
} else if (e.originalEvent.altKey) {
this.onVertexMarkerAltClick(e);
} else if (e.originalEvent.shiftKey) {
this.onVertexMarkerShiftClick(e);
} else if (e.originalEvent.metaKey) {
this.onVertexMarkerMetaKeyClick(e);
} else if (index === e.vertex.getLastIndex() && this._drawing === L.Editable.FORWARD) {
if (index >= this.MIN_VERTEX - 1) commit = true;
} else if (index === 0 && this._drawing === L.Editable.BACKWARD && this._drawnLatLngs.length >= this.MIN_VERTEX) {
commit = true;
} else if (index === 0 && this._drawing === L.Editable.FORWARD && this._drawnLatLngs.length >= this.MIN_VERTEX && this.CLOSED) {
commit = true; // Allow to close on first point also for polygons
} else {
this.onVertexRawMarkerClick(e);
}
// 🍂namespace Editable
// 🍂section Vertex events
// 🍂event editable:vertex:clicked: VertexEvent
// Fired when a `click` is issued on a vertex, after all internal actions.
this.fireAndForward('editable:vertex:clicked', e);
if (commit) this.commitDrawing(e);
},
onVertexRawMarkerClick: function (e) {
// 🍂namespace Editable
// 🍂section Vertex events
// 🍂event editable:vertex:rawclick: CancelableVertexEvent
// Fired when a `click` is issued on a vertex without any special key and without being in drawing mode.
this.fireAndForward('editable:vertex:rawclick', e);
if (e._cancelled) return;
if (!this.vertexCanBeDeleted(e.vertex)) return;
e.vertex.delete();
},
vertexCanBeDeleted: function (vertex) {
return vertex.latlngs.length > this.MIN_VERTEX;
},
onVertexDeleted: function (e) {
// 🍂namespace Editable
// 🍂section Vertex events
// 🍂event editable:vertex:deleted: VertexEvent
// Fired after a vertex has been deleted by user.
this.fireAndForward('editable:vertex:deleted', e);
},
onVertexMarkerCtrlClick: function (e) {
// 🍂namespace Editable
// 🍂section Vertex events
// 🍂event editable:vertex:ctrlclick: VertexEvent
// Fired when a `click` with `ctrlKey` is issued on a vertex.
this.fireAndForward('editable:vertex:ctrlclick', e);
},
onVertexMarkerShiftClick: function (e) {
// 🍂namespace Editable
// 🍂section Vertex events
// 🍂event editable:vertex:shiftclick: VertexEvent
// Fired when a `click` with `shiftKey` is issued on a vertex.
this.fireAndForward('editable:vertex:shiftclick', e);
},
onVertexMarkerMetaKeyClick: function (e) {
// 🍂namespace Editable
// 🍂section Vertex events
// 🍂event editable:vertex:metakeyclick: VertexEvent
// Fired when a `click` with `metaKey` is issued on a vertex.
this.fireAndForward('editable:vertex:metakeyclick', e);
},
onVertexMarkerAltClick: function (e) {
// 🍂namespace Editable
// 🍂section Vertex events
// 🍂event editable:vertex:altclick: VertexEvent
// Fired when a `click` with `altKey` is issued on a vertex.
this.fireAndForward('editable:vertex:altclick', e);
},
onVertexMarkerContextMenu: function (e) {
// 🍂namespace Editable
// 🍂section Vertex events
// 🍂event editable:vertex:contextmenu: VertexEvent
// Fired when a `contextmenu` is issued on a vertex.
this.fireAndForward('editable:vertex:contextmenu', e);
},
onVertexMarkerMouseDown: function (e) {
// 🍂namespace Editable
// 🍂section Vertex events
// 🍂event editable:vertex:mousedown: VertexEvent
// Fired when user `mousedown` a vertex.
this.fireAndForward('editable:vertex:mousedown', e);
},
onVertexMarkerMouseOver: function (e) {
// 🍂namespace Editable
// 🍂section Vertex events
// 🍂event editable:vertex:mouseover: VertexEvent
// Fired when a user's mouse enters the vertex
this.fireAndForward('editable:vertex:mouseover', e);
},
onVertexMarkerMouseOut: function (e) {
// 🍂namespace Editable
// 🍂section Vertex events
// 🍂event editable:vertex:mouseout: VertexEvent
// Fired when a user's mouse leaves the vertex
this.fireAndForward('editable:vertex:mouseout', e);
},
onMiddleMarkerMouseDown: function (e) {
// 🍂namespace Editable
// 🍂section MiddleMarker events
// 🍂event editable:middlemarker:mousedown: VertexEvent
// Fired when user `mousedown` a middle marker.
this.fireAndForward('editable:middlemarker:mousedown', e);
},
onVertexMarkerDrag: function (e) {
this.onMove(e);
if (this.feature._bounds) this.extendBounds(e);
// 🍂namespace Editable
// 🍂section Vertex events
// 🍂event editable:vertex:drag: VertexEvent
// Fired when a vertex is dragged by user.
this.fireAndForward('editable:vertex:drag', e);
},
onVertexMarkerDragStart: function (e) {
// 🍂namespace Editable
// 🍂section Vertex events
// 🍂event editable:vertex:dragstart: VertexEvent
// Fired before a vertex is dragged by user.
this.fireAndForward('editable:vertex:dragstart', e);
},
onVertexMarkerDragEnd: function (e) {
// 🍂namespace Editable
// 🍂section Vertex events
// 🍂event editable:vertex:dragend: VertexEvent
// Fired after a vertex is dragged by user.
this.fireAndForward('editable:vertex:dragend', e);
},
setDrawnLatLngs: function (latlngs) {
this._drawnLatLngs = latlngs || this.getDefaultLatLngs();
},
startDrawing: function () {
if (!this._drawnLatLngs) this.setDrawnLatLngs();
L.Editable.BaseEditor.prototype.startDrawing.call(this);
},
startDrawingForward: function () {
this.startDrawing();
},
endDrawing: function () {
this.tools.detachForwardLineGuide();
this.tools.detachBackwardLineGuide();
if (this._drawnLatLngs && this._drawnLatLngs.length < this.MIN_VERTEX) this.deleteShape(this._drawnLatLngs);
L.Editable.BaseEditor.prototype.endDrawing.call(this);
delete this._drawnLatLngs;
},
addLatLng: function (latlng) {
if (this._drawing === L.Editable.FORWARD) this._drawnLatLngs.push(latlng);
else this._drawnLatLngs.unshift(latlng);
this.feature._bounds.extend(latlng);
var vertex = this.addVertexMarker(latlng, this._drawnLatLngs);
this.onNewVertex(vertex);
this.refresh();
},
newPointForward: function (latlng) {
this.addLatLng(latlng);
this.tools.attachForwardLineGuide();
this.tools.anchorForwardLineGuide(latlng);
},
newPointBackward: function (latlng) {
this.addLatLng(latlng);
this.tools.anchorBackwardLineGuide(latlng);
},
// 🍂namespace PathEditor
// 🍂method push()
// Programmatically add a point while drawing.
push: function (latlng) {
if (!latlng) return console.error('L.Editable.PathEditor.push expect a valid latlng as parameter');
if (this._drawing === L.Editable.FORWARD) this.newPointForward(latlng);
else this.newPointBackward(latlng);
},
removeLatLng: function (latlng) {
latlng.__vertex.delete();
this.refresh();
},
// 🍂method pop(): L.LatLng or null
// Programmatically remove last point (if any) while drawing.
pop: function () {
if (this._drawnLatLngs.length <= 1) return;
var latlng;
if (this._drawing === L.Editable.FORWARD) latlng = this._drawnLatLngs[this._drawnLatLngs.length - 1];
else latlng = this._drawnLatLngs[0];
this.removeLatLng(latlng);
if (this._drawing === L.Editable.FORWARD) this.tools.anchorForwardLineGuide(this._drawnLatLngs[this._drawnLatLngs.length - 1]);
else this.tools.anchorForwardLineGuide(this._drawnLatLngs[0]);
return latlng;
},
processDrawingClick: function (e) {
if (e.vertex && e.vertex.editor === this) return;
if (this._drawing === L.Editable.FORWARD) this.newPointForward(e.latlng);
else this.newPointBackward(e.latlng);
this.fireAndForward('editable:drawing:clicked', e);
},
onDrawingMouseMove: function (e) {
L.Editable.BaseEditor.prototype.onDrawingMouseMove.call(this, e);
if (this._drawing) {
this.tools.moveForwardLineGuide(e.latlng);
this.tools.moveBackwardLineGuide(e.latlng);
}
},
refresh: function () {
this.feature.redraw();
this.onEditing();
},
// 🍂namespace PathEditor
// 🍂method newShape(latlng?: L.LatLng)
// Add a new shape (Polyline, Polygon) in a multi, and setup up drawing tools to draw it;
// if optional `latlng` is given, start a path at this point.
newShape: function (latlng) {
var shape = this.addNewEmptyShape();
if (!shape) return;
this.setDrawnLatLngs(shape[0] || shape); // Polygon or polyline
this.startDrawingForward();
// 🍂namespace Editable
// 🍂section Shape events
// 🍂event editable:shape:new: ShapeEvent
// Fired when a new shape is created in a multi (Polygon or Polyline).
this.fireAndForward('editable:shape:new', {shape: shape});
if (latlng) this.newPointForward(latlng);
},
deleteShape: function (shape, latlngs) {
var e = {shape: shape};
L.Editable.makeCancellable(e);
// 🍂namespace Editable
// 🍂section Shape events
// 🍂event editable:shape:delete: CancelableShapeEvent
// Fired before a new shape is deleted in a multi (Polygon or Polyline).
this.fireAndForward('editable:shape:delete', e);
if (e._cancelled) return;
shape = this._deleteShape(shape, latlngs);
if (this.ensureNotFlat) this.ensureNotFlat(); // Polygon.
this.feature.setLatLngs(this.getLatLngs()); // Force bounds reset.
this.refresh();
this.reset();
// 🍂namespace Editable
// 🍂section Shape events
// 🍂event editable:shape:deleted: ShapeEvent
// Fired after a new shape is deleted in a multi (Polygon or Polyline).
this.fireAndForward('editable:shape:deleted', {shape: shape});
return shape;
},
_deleteShape: function (shape, latlngs) {
latlngs = latlngs || this.getLatLngs();
if (!latlngs.length) return;
var self = this,
inplaceDelete = function (latlngs, shape) {
// Called when deleting a flat latlngs
shape = latlngs.splice(0, Number.MAX_VALUE);
return shape;
},
spliceDelete = function (latlngs, shape) {
// Called when removing a latlngs inside an array
latlngs.splice(latlngs.indexOf(shape), 1);
if (!latlngs.length) self._deleteShape(latlngs);
return shape;
};
if (latlngs === shape) return inplaceDelete(latlngs, shape);
for (var i = 0; i < latlngs.length; i++) {
if (latlngs[i] === shape) return spliceDelete(latlngs, shape);
else if (latlngs[i].indexOf(shape) !== -1) return spliceDelete(latlngs[i], shape);
}
},
// 🍂namespace PathEditor
// 🍂method deleteShapeAt(latlng: L.LatLng): Array
// Remove a path shape at the given `latlng`.
deleteShapeAt: function (latlng) {
var shape = this.feature.shapeAt(latlng);
if (shape) return this.deleteShape(shape);
},
// 🍂method appendShape(shape: Array)
// Append a new shape to the Polygon or Polyline.
appendShape: function (shape) {
this.insertShape(shape);
},
// 🍂method prependShape(shape: Array)
// Prepend a new shape to the Polygon or Polyline.
prependShape: function (shape) {
this.insertShape(shape, 0);
},
// 🍂method insertShape(shape: Array, index: int)
// Insert a new shape to the Polygon or Polyline at given index (default is to append).
insertShape: function (shape, index) {
this.ensureMulti();
shape = this.formatShape(shape);
if (typeof index === 'undefined') index = this.feature._latlngs.length;
this.feature._latlngs.splice(index, 0, shape);
this.feature.redraw();
if (this._enabled) this.reset();
},
extendBounds: function (e) {
this.feature._bounds.extend(e.vertex.latlng);
},
onDragStart: function (e) {
this.editLayer.clearLayers();
L.Editable.BaseEditor.prototype.onDragStart.call(this, e);
},
onDragEnd: function (e) {
this.initVertexMarkers();
L.Editable.BaseEditor.prototype.onDragEnd.call(this, e);
}
});
// 🍂namespace Editable; 🍂class PolylineEditor; 🍂aka L.Editable.PolylineEditor
// 🍂inherits PathEditor
L.Editable.PolylineEditor = L.Editable.PathEditor.extend({
startDrawingBackward: function () {
this._drawing = L.Editable.BACKWARD;
this.startDrawing();
},
// 🍂method continueBackward(latlngs?: Array)
// Set up drawing tools to continue the line backward.
continueBackward: function (latlngs) {
if (this.drawing()) return;
latlngs = latlngs || this.getDefaultLatLngs();
this.setDrawnLatLngs(latlngs);
if (latlngs.length > 0) {
this.tools.attachBackwardLineGuide();
this.tools.anchorBackwardLineGuide(latlngs[0]);
}
this.startDrawingBackward();
},
// 🍂method continueForward(latlngs?: Array)
// Set up drawing tools to continue the line forward.
continueForward: function (latlngs) {
if (this.drawing()) return;
latlngs = latlngs || this.getDefaultLatLngs();
this.setDrawnLatLngs(latlngs);
if (latlngs.length > 0) {
this.tools.attachForwardLineGuide();
this.tools.anchorForwardLineGuide(latlngs[latlngs.length - 1]);
}
this.startDrawingForward();
},
getDefaultLatLngs: function (latlngs) {
latlngs = latlngs || this.feature._latlngs;
if (!latlngs.length || latlngs[0] instanceof L.LatLng) return latlngs;
else return this.getDefaultLatLngs(latlngs[0]);
},
ensureMulti: function () {
if (this.feature._latlngs.length && isFlat(this.feature._latlngs)) {
this.feature._latlngs = [this.feature._latlngs];
}
},
addNewEmptyShape: function () {
if (this.feature._latlngs.length) {
var shape = [];
this.appendShape(shape);
return shape;
} else {
return this.feature._latlngs;
}
},
formatShape: function (shape) {
if (isFlat(shape)) return shape;
else if (shape[0]) return this.formatShape(shape[0]);
},
// 🍂method splitShape(latlngs?: Array, index: int)
// Split the given `latlngs` shape at index `index` and integrate new shape in instance `latlngs`.
splitShape: function (shape, index) {
if (!index || index >= shape.length - 1) return;
this.ensureMulti();
var shapeIndex = this.feature._latlngs.indexOf(shape);
if (shapeIndex === -1) return;
var first = shape.slice(0, index + 1),
second = shape.slice(index);
// We deal with reference, we don't want twice the same latlng around.
second[0] = L.latLng(second[0].lat, second[0].lng, second[0].alt);
this.feature._latlngs.splice(shapeIndex, 1, first, second);
this.refresh();
this.reset();
}
});
// 🍂namespace Editable; 🍂class PolygonEditor; 🍂aka L.Editable.PolygonEditor
// 🍂inherits PathEditor
L.Editable.PolygonEditor = L.Editable.PathEditor.extend({
CLOSED: true,
MIN_VERTEX: 3,
newPointForward: function (latlng) {
L.Editable.PathEditor.prototype.newPointForward.call(this, latlng);
if (!this.tools.backwardLineGuide._latlngs.length) this.tools.anchorBackwardLineGuide(latlng);
if (this._drawnLatLngs.length === 2) this.tools.attachBackwardLineGuide();
},
addNewEmptyHole: function (latlng) {
this.ensureNotFlat();
var latlngs = this.feature.shapeAt(latlng);
if (!latlngs) return;
var holes = [];
latlngs.push(holes);
return holes;
},
// 🍂method newHole(latlng?: L.LatLng, index: int)
// Set up drawing tools for creating a new hole on the Polygon. If the `latlng` param is given, a first point is created.
newHole: function (latlng) {
var holes = this.addNewEmptyHole(latlng);
if (!holes) return;
this.setDrawnLatLngs(holes);
this.startDrawingForward();
if (latlng) this.newPointForward(latlng);
},
addNewEmptyShape: function () {
if (this.feature._latlngs.length && this.feature._latlngs[0].length) {
var shape = [];
this.appendShape(shape);
return shape;
} else {
return this.feature._latlngs;
}
},
ensureMulti: function () {
if (this.feature._latlngs.length && isFlat(this.feature._latlngs[0])) {
this.feature._latlngs = [this.feature._latlngs];
}
},
ensureNotFlat: function () {
if (!this.feature._latlngs.length || isFlat(this.feature._latlngs)) this.feature._latlngs = [this.feature._latlngs];
},
vertexCanBeDeleted: function (vertex) {
var parent = this.feature.parentShape(vertex.latlngs),
idx = L.Util.indexOf(parent, vertex.latlngs);
if (idx > 0) return true; // Holes can be totally deleted without removing the layer itself.
return L.Editable.PathEditor.prototype.vertexCanBeDeleted.call(this, vertex);
},
getDefaultLatLngs: function () {
if (!this.feature._latlngs.length) this.feature._latlngs.push([]);
return this.feature._latlngs[0];
},
formatShape: function (shape) {
// [[1, 2], [3, 4]] => must be nested
// [] => must be nested
// [[]] => is already nested
if (isFlat(shape) && (!shape[0] || shape[0].length !== 0)) return [shape];
else return shape;
}
});
// 🍂namespace Editable; 🍂class RectangleEditor; 🍂aka L.Editable.RectangleEditor
// 🍂inherits PathEditor
L.Editable.RectangleEditor = L.Editable.PathEditor.extend({
CLOSED: true,
MIN_VERTEX: 4,
options: {
skipMiddleMarkers: true
},
extendBounds: function (e) {
var index = e.vertex.getIndex(),
next = e.vertex.getNext(),
previous = e.vertex.getPrevious(),
oppositeIndex = (index + 2) % 4,
opposite = e.vertex.latlngs[oppositeIndex],
bounds = new L.LatLngBounds(e.latlng, opposite);
// Update latlngs by hand to preserve order.
previous.latlng.update([e.latlng.lat, opposite.lng]);
next.latlng.update([opposite.lat, e.latlng.lng]);
this.updateBounds(bounds);
this.refreshVertexMarkers();
},
onDrawingMouseDown: function (e) {
L.Editable.PathEditor.prototype.onDrawingMouseDown.call(this, e);
this.connect();
var latlngs = this.getDefaultLatLngs();
// L.Polygon._convertLatLngs removes last latlng if it equals first point,
// which is the case here as all latlngs are [0, 0]
if (latlngs.length === 3) latlngs.push(e.latlng);
var bounds = new L.LatLngBounds(e.latlng, e.latlng);
this.updateBounds(bounds);
this.updateLatLngs(bounds);
this.refresh();
this.reset();
// Stop dragging map.
// L.Draggable has two workflows:
// - mousedown => mousemove => mouseup
// - touchstart => touchmove => touchend
// Problem: L.Map.Tap does not allow us to listen to touchstart, so we only
// can deal with mousedown, but then when in a touch device, we are dealing with
// simulated events (actually simulated by L.Map.Tap), which are no more taken
// into account by L.Draggable.
// Ref.: https://github.com/Leaflet/Leaflet.Editable/issues/103
e.originalEvent._simulated = false;
this.map.dragging._draggable._onUp(e.originalEvent);
// Now transfer ongoing drag action to the bottom right corner.
// Should we refine which corner will handle the drag according to
// drag direction?
latlngs[3].__vertex.dragging._draggable._onDown(e.originalEvent);
},
onDrawingMouseUp: function (e) {
this.commitDrawing(e);
e.originalEvent._simulated = false;
L.Editable.PathEditor.prototype.onDrawingMouseUp.call(this, e);
},
onDrawingMouseMove: function (e) {
e.originalEvent._simulated = false;
L.Editable.PathEditor.prototype.onDrawingMouseMove.call(this, e);
},
getDefaultLatLngs: function (latlngs) {
return latlngs || this.feature._latlngs[0];
},
updateBounds: function (bounds) {
this.feature._bounds = bounds;
},
updateLatLngs: function (bounds) {
var latlngs = this.getDefaultLatLngs(),
newLatlngs = this.feature._boundsToLatLngs(bounds);
// Keep references.
for (var i = 0; i < latlngs.length; i++) {
latlngs[i].update(newLatlngs[i]);
}
}
});
// 🍂namespace Editable; 🍂class CircleEditor; 🍂aka L.Editable.CircleEditor
// 🍂inherits PathEditor
L.Editable.CircleEditor = L.Editable.PathEditor.extend({
MIN_VERTEX: 2,
options: {
skipMiddleMarkers: true
},
initialize: function (map, feature, options) {
L.Editable.PathEditor.prototype.initialize.call(this, map, feature, options);
this._resizeLatLng = this.computeResizeLatLng();
},
computeResizeLatLng: function () {
// While circle is not added to the map, _radius is not set.
var delta = (this.feature._radius || this.feature._mRadius) * Math.cos(Math.PI / 4),
point = this.map.project(this.feature._latlng);
return this.map.unproject([point.x + delta, point.y - delta]);
},
updateResizeLatLng: function () {
this._resizeLatLng.update(this.computeResizeLatLng());
this._resizeLatLng.__vertex.update();
},
getLatLngs: function () {
return [this.feature._latlng, this._resizeLatLng];
},
getDefaultLatLngs: function () {
return this.getLatLngs();
},
onVertexMarkerDrag: function (e) {
if (e.vertex.getIndex() === 1) this.resize(e);
else this.updateResizeLatLng(e);
L.Editable.PathEditor.prototype.onVertexMarkerDrag.call(this, e);
},
resize: function (e) {
var radius = this.feature._latlng.distanceTo(e.latlng);
this.feature.setRadius(radius);
},
onDrawingMouseDown: function (e) {
L.Editable.PathEditor.prototype.onDrawingMouseDown.call(this, e);
this._resizeLatLng.update(e.latlng);
this.feature._latlng.update(e.latlng);
this.connect();
// Stop dragging map.
e.originalEvent._simulated = false;
this.map.dragging._draggable._onUp(e.originalEvent);
// Now transfer ongoing drag action to the radius handler.
this._resizeLatLng.__vertex.dragging._draggable._onDown(e.originalEvent);
},
onDrawingMouseUp: function (e) {
this.commitDrawing(e);
e.originalEvent._simulated = false;
L.Editable.PathEditor.prototype.onDrawingMouseUp.call(this, e);
},
onDrawingMouseMove: function (e) {
e.originalEvent._simulated = false;
L.Editable.PathEditor.prototype.onDrawingMouseMove.call(this, e);
},
onDrag: function (e) {
L.Editable.PathEditor.prototype.onDrag.call(this, e);
this.feature.dragging.updateLatLng(this._resizeLatLng);
}
});
// 🍂namespace Editable; 🍂class EditableMixin
// `EditableMixin` is included to `L.Polyline`, `L.Polygon`, `L.Rectangle`, `L.Circle`
// and `L.Marker`. It adds some methods to them.
// *When editing is enabled, the editor is accessible on the instance with the
// `editor` property.*
var EditableMixin = {
createEditor: function (map) {
map = map || this._map;
var tools = (this.options.editOptions || {}).editTools || map.editTools;
if (!tools) throw Error('Unable to detect Editable instance.');
var Klass = this.options.editorClass || this.getEditorClass(tools);
return new Klass(map, this, this.options.editOptions);
},
// 🍂method enableEdit(map?: L.Map): this.editor
// Enable editing, by creating an editor if not existing, and then calling `enable` on it.
enableEdit: function (map) {
if (!this.editor) this.createEditor(map);
this.editor.enable();
return this.editor;
},
// 🍂method editEnabled(): boolean
// Return true if current instance has an editor attached, and this editor is enabled.
editEnabled: function () {
return this.editor && this.editor.enabled();
},
// 🍂method disableEdit()
// Disable editing, also remove the editor property reference.
disableEdit: function () {
if (this.editor) {
this.editor.disable();
delete this.editor;
}
},
// 🍂method toggleEdit()
// Enable or disable editing, according to current status.
toggleEdit: function () {
if (this.editEnabled()) this.disableEdit();
else this.enableEdit();
},
_onEditableAdd: function () {
if (this.editor) this.enableEdit();
}
};
var PolylineMixin = {
getEditorClass: function (tools) {
return (tools && tools.options.polylineEditorClass) ? tools.options.polylineEditorClass : L.Editable.PolylineEditor;
},
shapeAt: function (latlng, latlngs) {
// We can have those cases:
// - latlngs are just a flat array of latlngs, use this
// - latlngs is an array of arrays of latlngs, loop over
var shape = null;
latlngs = latlngs || this._latlngs;
if (!latlngs.length) return shape;
else if (isFlat(latlngs) && this.isInLatLngs(latlng, latlngs)) shape = latlngs;
else for (var i = 0; i < latlngs.length; i++) if (this.isInLatLngs(latlng, latlngs[i])) return latlngs[i];
return shape;
},
isInLatLngs: function (l, latlngs) {
if (!latlngs) return false;
var i, k, len, part = [], p,
w = this._clickTolerance();
this._projectLatlngs(latlngs, part, this._pxBounds);
part = part[0];
p = this._map.latLngToLayerPoint(l);
if (!this._pxBounds.contains(p)) { return false; }
for (i = 1, len = part.length, k = 0; i < len; k = i++) {
if (L.LineUtil.pointToSegmentDistance(p, part[k], part[i]) <= w) {
return true;
}
}
return false;
}
};
var PolygonMixin = {
getEditorClass: function (tools) {
return (tools && tools.options.polygonEditorClass) ? tools.options.polygonEditorClass : L.Editable.PolygonEditor;
},
shapeAt: function (latlng, latlngs) {
// We can have those cases:
// - latlngs are just a flat array of latlngs, use this
// - latlngs is an array of arrays of latlngs, this is a simple polygon (maybe with holes), use the first
// - latlngs is an array of arrays of arrays, this is a multi, loop over
var shape = null;
latlngs = latlngs || this._latlngs;
if (!latlngs.length) return shape;
else if (isFlat(latlngs) && this.isInLatLngs(latlng, latlngs)) shape = latlngs;
else if (isFlat(latlngs[0]) && this.isInLatLngs(latlng, latlngs[0])) shape = latlngs;
else for (var i = 0; i < latlngs.length; i++) if (this.isInLatLngs(latlng, latlngs[i][0])) return latlngs[i];
return shape;
},
isInLatLngs: function (l, latlngs) {
var inside = false, l1, l2, j, k, len2;
for (j = 0, len2 = latlngs.length, k = len2 - 1; j < len2; k = j++) {
l1 = latlngs[j];
l2 = latlngs[k];
if (((l1.lat > l.lat) !== (l2.lat > l.lat)) &&
(l.lng < (l2.lng - l1.lng) * (l.lat - l1.lat) / (l2.lat - l1.lat) + l1.lng)) {
inside = !inside;
}
}
return inside;
},
parentShape: function (shape, latlngs) {
latlngs = latlngs || this._latlngs;
if (!latlngs) return;
var idx = L.Util.indexOf(latlngs, shape);
if (idx !== -1) return latlngs;
for (var i = 0; i < latlngs.length; i++) {
idx = L.Util.indexOf(latlngs[i], shape);
if (idx !== -1) return latlngs[i];
}
}
};
var MarkerMixin = {
getEditorClass: function (tools) {
return (tools && tools.options.markerEditorClass) ? tools.options.markerEditorClass : L.Editable.MarkerEditor;
}
};
var RectangleMixin = {
getEditorClass: function (tools) {
return (tools && tools.options.rectangleEditorClass) ? tools.options.rectangleEditorClass : L.Editable.RectangleEditor;
}
};
var CircleMixin = {
getEditorClass: function (tools) {
return (tools && tools.options.circleEditorClass) ? tools.options.circleEditorClass : L.Editable.CircleEditor;
}
};
var keepEditable = function () {
// Make sure you can remove/readd an editable layer.
this.on('add', this._onEditableAdd);
};
var isFlat = L.LineUtil.isFlat || L.LineUtil._flat || L.Polyline._flat; // <=> 1.1 compat.
if (L.Polyline) {
L.Polyline.include(EditableMixin);
L.Polyline.include(PolylineMixin);
L.Polyline.addInitHook(keepEditable);
}
if (L.Polygon) {
L.Polygon.include(EditableMixin);
L.Polygon.include(PolygonMixin);
}
if (L.Marker) {
L.Marker.include(EditableMixin);
L.Marker.include(MarkerMixin);
L.Marker.addInitHook(keepEditable);
}
if (L.Rectangle) {
L.Rectangle.include(EditableMixin);
L.Rectangle.include(RectangleMixin);
}
if (L.Circle) {
L.Circle.include(EditableMixin);
L.Circle.include(CircleMixin);
}
L.LatLng.prototype.update = function (latlng) {
latlng = L.latLng(latlng);
this.lat = latlng.lat;
this.lng = latlng.lng;
}
}, window));
Reference in New Issue Copy Permalink