Initial commit

node_modules/leaflet/src/control/Control.js

@@ -0,0 +1,174 @@
+
+import {Class} from '../core/Class';
+import {Map} from '../map/Map';
+import * as Util from '../core/Util';
+import * as DomUtil from '../dom/DomUtil';
+
+/*
+ * @class Control
+ * @aka L.Control
+ * @inherits Class
+ *
+ * L.Control is a base class for implementing map controls. Handles positioning.
+ * All other controls extend from this class.
+ */
+
+export var Control = Class.extend({
+	// @section
+	// @aka Control Options
+	options: {
+		// @option position: String = 'topright'
+		// The position of the control (one of the map corners). Possible values are `'topleft'`,
+		// `'topright'`, `'bottomleft'` or `'bottomright'`
+		position: 'topright'
+	},
+
+	initialize: function (options) {
+		Util.setOptions(this, options);
+	},
+
+	/* @section
+	 * Classes extending L.Control will inherit the following methods:
+	 *
+	 * @method getPosition: string
+	 * Returns the position of the control.
+	 */
+	getPosition: function () {
+		return this.options.position;
+	},
+
+	// @method setPosition(position: string): this
+	// Sets the position of the control.
+	setPosition: function (position) {
+		var map = this._map;
+
+		if (map) {
+			map.removeControl(this);
+		}
+
+		this.options.position = position;
+
+		if (map) {
+			map.addControl(this);
+		}
+
+		return this;
+	},
+
+	// @method getContainer: HTMLElement
+	// Returns the HTMLElement that contains the control.
+	getContainer: function () {
+		return this._container;
+	},
+
+	// @method addTo(map: Map): this
+	// Adds the control to the given map.
+	addTo: function (map) {
+		this.remove();
+		this._map = map;
+
+		var container = this._container = this.onAdd(map),
+		    pos = this.getPosition(),
+		    corner = map._controlCorners[pos];
+
+		DomUtil.addClass(container, 'leaflet-control');
+
+		if (pos.indexOf('bottom') !== -1) {
+			corner.insertBefore(container, corner.firstChild);
+		} else {
+			corner.appendChild(container);
+		}
+
+		this._map.on('unload', this.remove, this);
+
+		return this;
+	},
+
+	// @method remove: this
+	// Removes the control from the map it is currently active on.
+	remove: function () {
+		if (!this._map) {
+			return this;
+		}
+
+		DomUtil.remove(this._container);
+
+		if (this.onRemove) {
+			this.onRemove(this._map);
+		}
+
+		this._map.off('unload', this.remove, this);
+		this._map = null;
+
+		return this;
+	},
+
+	_refocusOnMap: function (e) {
+		// if map exists and event is not a keyboard event
+		if (this._map && e && e.screenX > 0 && e.screenY > 0) {
+			this._map.getContainer().focus();
+		}
+	}
+});
+
+export var control = function (options) {
+	return new Control(options);
+};
+
+/* @section Extension methods
+ * @uninheritable
+ *
+ * Every control should extend from `L.Control` and (re-)implement the following methods.
+ *
+ * @method onAdd(map: Map): HTMLElement
+ * Should return the container DOM element for the control and add listeners on relevant map events. Called on [`control.addTo(map)`](#control-addTo).
+ *
+ * @method onRemove(map: Map)
+ * Optional method. Should contain all clean up code that removes the listeners previously added in [`onAdd`](#control-onadd). Called on [`control.remove()`](#control-remove).
+ */
+
+/* @namespace Map
+ * @section Methods for Layers and Controls
+ */
+Map.include({
+	// @method addControl(control: Control): this
+	// Adds the given control to the map
+	addControl: function (control) {
+		control.addTo(this);
+		return this;
+	},
+
+	// @method removeControl(control: Control): this
+	// Removes the given control from the map
+	removeControl: function (control) {
+		control.remove();
+		return this;
+	},
+
+	_initControlPos: function () {
+		var corners = this._controlCorners = {},
+		    l = 'leaflet-',
+		    container = this._controlContainer =
+		            DomUtil.create('div', l + 'control-container', this._container);
+
+		function createCorner(vSide, hSide) {
+			var className = l + vSide + ' ' + l + hSide;
+
+			corners[vSide + hSide] = DomUtil.create('div', className, container);
+		}
+
+		createCorner('top', 'left');
+		createCorner('top', 'right');
+		createCorner('bottom', 'left');
+		createCorner('bottom', 'right');
+	},
+
+	_clearControlPos: function () {
+		for (var i in this._controlCorners) {
+			DomUtil.remove(this._controlCorners[i]);
+		}
+		DomUtil.remove(this._controlContainer);
+		delete this._controlCorners;
+		delete this._controlContainer;
+	}
+});