1 L.Edit = L.Edit || {};

     2 /**

     3  * @class L.Edit.Circle

     4  * @aka Edit.Circle

     5  * @inherits L.Edit.SimpleShape

     6  */

     7 L.Edit.Circle = L.Edit.SimpleShape.extend({

     8 	_createMoveMarker: function () {

     9 		var center = this._shape.getLatLng();

    10 

    11 		this._moveMarker = this._createMarker(center, this.options.moveIcon);

    12 	},

    13 

    14 	_createResizeMarker: function () {

    15 		var center = this._shape.getLatLng(),

    16 			resizemarkerPoint = this._getResizeMarkerPoint(center);

    17 

    18 		this._resizeMarkers = [];

    19 		this._resizeMarkers.push(this._createMarker(resizemarkerPoint, this.options.resizeIcon));

    20 	},

    21 

    22 	_getResizeMarkerPoint: function (latlng) {

    23 		// From L.shape.getBounds()

    24 		var delta = this._shape._radius * Math.cos(Math.PI / 4),

    25 			point = this._map.project(latlng);

    26 		return this._map.unproject([point.x + delta, point.y - delta]);

    27 	},

    28 

    29 	_move: function (latlng) {

    30 		var resizemarkerPoint = this._getResizeMarkerPoint(latlng);

    31 

    32 		// Move the resize marker

    33 		this._resizeMarkers[0].setLatLng(resizemarkerPoint);

    34 

    35 		// Move the circle

    36 		this._shape.setLatLng(latlng);

    37 

    38 		this._map.fire(L.Draw.Event.EDITMOVE, { layer: this._shape });

    39 	},

    40 

    41 	_resize: function (latlng) {

    42 		var moveLatLng = this._moveMarker.getLatLng(),

    43 			radius = moveLatLng.distanceTo(latlng);

    44 

    45 		this._shape.setRadius(radius);

    46 

    47 		this._map.fire(L.Draw.Event.EDITRESIZE, { layer: this._shape });

    48 	}

    49 });

    50 

    51 L.Circle.addInitHook(function () {

    52 	if (L.Edit.Circle) {

    53 		this.editing = new L.Edit.Circle(this);

    54 

    55 		if (this.options.editable) {

    56 			this.editing.enable();

    57 		}

    58 	}

    59 

    60 	this.on('add', function () {

    61 		if (this.editing && this.editing.enabled()) {

    62 			this.editing.addHooks();

    63 		}

    64 	});

    65 

    66 	this.on('remove', function () {

    67 		if (this.editing && this.editing.enabled()) {

    68 			this.editing.removeHooks();

    69 		}

    70 	});

    71 });