140 lines
3.5 KiB
JavaScript
140 lines
3.5 KiB
JavaScript
L.Polyline.Measure = L.Draw.Polyline.extend({
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addHooks: function() {
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L.Draw.Polyline.prototype.addHooks.call(this);
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if (this._map) {
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this._markerGroup = new L.LayerGroup();
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this._map.addLayer(this._markerGroup);
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this._markers = [];
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this._map.on('click', this._onClick, this);
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this._startShape();
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}
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},
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removeHooks: function () {
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L.Draw.Polyline.prototype.removeHooks.call(this);
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this._clearHideErrorTimeout();
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//!\ Still useful when control is disabled before any drawing (refactor needed?)
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this._map.off('mousemove', this._onMouseMove);
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this._clearGuides();
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this._container.style.cursor = '';
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this._removeShape();
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this._map.off('click', this._onClick, this);
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},
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_startShape: function() {
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this._drawing = true;
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this._poly = new L.Polyline([], this.options.shapeOptions);
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this._container.style.cursor = 'crosshair';
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this._updateTooltip();
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this._map.on('mousemove', this._onMouseMove, this);
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},
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_finishShape: function () {
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this._drawing = false;
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this._cleanUpShape();
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this._clearGuides();
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this._updateTooltip();
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this._map.off('mousemove', this._onMouseMove, this);
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this._container.style.cursor = '';
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},
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_removeShape: function() {
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if (!this._poly)
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return;
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this._map.removeLayer(this._poly);
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delete this._poly;
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this._markers.splice(0);
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this._markerGroup.clearLayers();
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},
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_onClick: function(e) {
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if (!this._drawing) {
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this._removeShape();
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this._startShape();
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return;
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}
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},
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_getTooltipText: function() {
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var labelText = L.Draw.Polyline.prototype._getTooltipText.call(this);
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if (!this._drawing) {
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labelText.text = '';
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}
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return labelText;
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}
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});
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L.Control.MeasureControl = L.Control.extend({
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statics: {
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TITLE: 'Measure distances'
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},
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options: {
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position: 'topleft',
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handler: {}
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},
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toggle: function() {
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if (this.handler.enabled()) {
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this.handler.disable.call(this.handler);
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} else {
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this.handler.enable.call(this.handler);
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}
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},
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onAdd: function(map) {
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var className = 'leaflet-control-draw';
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this._container = L.DomUtil.create('div', 'leaflet-bar');
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this.handler = new L.Polyline.Measure(map, this.options.handler);
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this.handler.on('enabled', function () {
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L.DomUtil.addClass(this._container, 'enabled');
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}, this);
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this.handler.on('disabled', function () {
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L.DomUtil.removeClass(this._container, 'enabled');
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}, this);
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var link = L.DomUtil.create('a', className+'-measure', this._container);
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link.href = '#';
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link.title = L.Control.MeasureControl.TITLE;
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L.DomEvent
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.addListener(link, 'click', L.DomEvent.stopPropagation)
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.addListener(link, 'click', L.DomEvent.preventDefault)
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.addListener(link, 'click', this.toggle, this);
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return this._container;
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}
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});
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L.Map.mergeOptions({
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measureControl: false
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});
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L.Map.addInitHook(function () {
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if (this.options.measureControl) {
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this.measureControl = L.Control.measureControl().addTo(this);
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}
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});
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L.Control.measureControl = function (options) {
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return new L.Control.MeasureControl(options);
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};
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