pruvodce/static/Leaflet.Editable.js

1947 lines
73 KiB
JavaScript
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

'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));