https://rusaggression.gov.ua//zerum/leaflet/leaflet.draw/Tooltip.js

1L.Draw = L.Draw || {};
2/**
3 * @class L.Draw.Tooltip
4 * @aka Tooltip
5 *
6 * The tooltip class — it is used to display the tooltip while drawing
7 * This will be depreciated
8 *
9 * @example
10 *
11 * ```js
12 *    var tooltip = L.Draw.Tooltip();
13 * ```
14 *
15 */
16L.Draw.Tooltip = L.Class.extend({
17
18	// @section Methods for modifying draw state
19
20	// @method initialize(map): void
21	// Tooltip constructor
22	initialize: function (map) {
23		this._map = map;
24		this._popupPane = map._panes.popupPane;
25		this._visible = false;
26
27		this._container = map.options.drawControlTooltips ?
28			L.DomUtil.create('div', 'leaflet-draw-tooltip', this._popupPane) : null;
29		this._singleLineLabel = false;
30
31		this._map.on('mouseout', this._onMouseOut, this);
32	},
33
34	// @method dispose(): void
35	// Remove Tooltip DOM and unbind events
36	dispose: function () {
37		this._map.off('mouseout', this._onMouseOut, this);
38
39		if (this._container) {
40			this._popupPane.removeChild(this._container);
41			this._container = null;
42		}
43	},
44
45	// @method updateContent(labelText): this
46	// Changes the tooltip text to string in function call
47	updateContent: function (labelText) {
48		if (!this._container) {
49			return this;
50		}
51		labelText.subtext = labelText.subtext || '';
52
53		// update the vertical position (only if changed)
54		if (labelText.subtext.length === 0 && !this._singleLineLabel) {
55			L.DomUtil.addClass(this._container, 'leaflet-draw-tooltip-single');
56			this._singleLineLabel = true;
57		}
58		else if (labelText.subtext.length > 0 && this._singleLineLabel) {
59			L.DomUtil.removeClass(this._container, 'leaflet-draw-tooltip-single');
60			this._singleLineLabel = false;
61		}
62
63		this._container.innerHTML =
64			(labelText.subtext.length > 0 ?
65				'<span class="leaflet-draw-tooltip-subtext">' + labelText.subtext + '</span>' + '<br />' : '') +
66			'<span>' + labelText.text + '</span>';
67
68		if (!labelText.text && !labelText.subtext) {
69			this._visible = false;
70			this._container.style.visibility = 'hidden';
71		} else {
72			this._visible = true;
73			this._container.style.visibility = 'inherit';
74		}
75
76		return this;
77	},
78
79	// @method updatePosition(latlng): this
80	// Changes the location of the tooltip
81	updatePosition: function (latlng) {
82		var pos = this._map.latLngToLayerPoint(latlng),
83			tooltipContainer = this._container;
84
85		if (this._container) {
86			if (this._visible) {
87				tooltipContainer.style.visibility = 'inherit';
88			}
89			L.DomUtil.setPosition(tooltipContainer, pos);
90		}
91
92		return this;
93	},
94
95	// @method showAsError(): this
96	// Applies error class to tooltip
97	showAsError: function () {
98		if (this._container) {
99			L.DomUtil.addClass(this._container, 'leaflet-error-draw-tooltip');
100		}
101		return this;
102	},
103
104	// @method removeError(): this
105	// Removes the error class from the tooltip
106	removeError: function () {
107		if (this._container) {
108			L.DomUtil.removeClass(this._container, 'leaflet-error-draw-tooltip');
109		}
110		return this;
111	},
112
113	_onMouseOut: function () {
114		if (this._container) {
115			this._container.style.visibility = 'hidden';
116		}
117	}
118});