Add leaflet-pluginsleaflet-permalink

1 files changed, 47 insertions, 0 deletions

diff --git a/chimere/static/leaflet-plugins/control/Permalink.Line.js b/chimere/static/leaflet-plugins/control/Permalink.Line.js
new file mode 100644
index 0000000..794880a
--- /dev/null
+++ b/chimere/static/leaflet-plugins/control/Permalink.Line.js
@@ -0,0 +1,47 @@
+//#include "Permalink.js
+
+L.Control.Permalink.include({
+	/*
+	options: {
+		line: null
+	},
+	*/
+
+	initialize_line: function() {
+		this.on('update', this._set_line, this);
+		this.on('add', this._onadd_line, this);
+	},
+
+	_onadd_line: function(e) {
+		if (!this.options.line) return;
+		this.options.line.on('edit', this._update_line, this);
+		this._update_line();
+	},
+
+	_update_line: function() {
+		if (!this.options.line) return;
+		var line = this.options.line;
+		if (!line) return;
+		var text = [], coords = line.getLatLngs();
+		if (!coords.length)
+			return this._update({line: null});
+		for (var i in coords)
+			text.push(coords[i].lat.toFixed(4) + ',' + coords[i].lng.toFixed(4));
+		this._update({line: text.join(';')});
+	},
+
+	_set_line: function(e) {
+		var p = e.params, l = this.options.line;
+		if (!l || !p.line) return;
+		var coords = [], text = p.line.split(';');
+		for (var i in text) {
+			var ll = text[i].split(',');
+			if (ll.length !== 2) continue;
+			coords.push(new L.LatLng(ll[0], ll[1]));
+		}
+		if (!coords.length) return;
+		l.setLatLngs(coords);
+		if (!this._map.hasLayer(l))
+			this._map.addLayer(l);
+	}
+});