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/*
RaphaelLayer, a JavaScript library for overlaying Raphael objects onto Leaflet interactive maps. http://dynmeth.github.com/RaphaelLayer
(c) 2012-2013, David Howell, Dynamic Methods Pty Ltd
Version 0.1.3
*/
(function() {
var R, originalR;
if (typeof exports != 'undefined') {
R = exports;
} else {
R = {};
originalR = window.R;
R.noConflict = function() {
window.R = originalR;
return R;
};
window.R = R;
}
R.version = '0.1.3';
R.Layer = L.Class.extend({
includes: L.Mixin.Events,
initialize: function(options) {
},
onAdd: function (map) {
this._map = map;
this._map._initRaphaelRoot();
this._paper = this._map._paper;
this._set = this._paper.set();
map.on('viewreset', this.projectLatLngs, this);
this.projectLatLngs();
},
onRemove: function(map) {
map.off('viewreset', this.projectLatLngs, this);
this._map = null;
this._set.forEach(function(item) {
item.remove();
}, this);
this._set.clear();
},
projectLatLngs: function() {
},
animate: function(attr, ms, easing, callback) {
this._set.animate(attr, ms, easing, callback);
return this;
},
hover: function(f_in, f_out, icontext, ocontext) {
this._set.hover(f_in, f_out, icontext, ocontext);
return this;
},
attr: function(name, value) {
this._set.attr(name, value);
return this;
}
});
L.Map.include({
_initRaphaelRoot: function () {
if (!this._raphaelRoot) {
this._raphaelRoot = this._panes.overlayPane;
this._paper = Raphael(this._raphaelRoot);
this.on('moveend', this._updateRaphaelViewport);
this._updateRaphaelViewport();
}
},
_updateRaphaelViewport: function () {
var p = 0.02,
size = this.getSize(),
panePos = L.DomUtil.getPosition(this._mapPane),
min = panePos.multiplyBy(-1)._subtract(size.multiplyBy(p)),
max = min.add(size.multiplyBy(1 + p*2)),
width = max.x - min.x,
height = max.y - min.y,
root = this._raphaelRoot,
pane = this._panes.overlayPane;
this._paper.setSize(width, height);
L.DomUtil.setPosition(root, min);
root.setAttribute('width', width);
root.setAttribute('height', height);
this._paper.setViewBox(min.x, min.y, width, height, false);
}
});
R.Marker = R.Layer.extend({
initialize: function(latlng, pathString, attr, options) {
R.Layer.prototype.initialize.call(this, options);
this._latlng = latlng;
this._pathString = (typeof pathString == 'string' ? pathString : 'M16,3.5c-4.142,0-7.5,3.358-7.5,7.5c0,4.143,7.5,18.121,7.5,18.121S23.5,15.143,23.5,11C23.5,6.858,20.143,3.5,16,3.5z M16,14.584c-1.979,0-3.584-1.604-3.584-3.584S14.021,7.416,16,7.416S19.584,9.021,19.584,11S17.979,14.584,16,14.584z');
this._attr = (typeof pathString == 'object' ? pathString : (attr ? attr : {'fill': '#000'}));
},
projectLatLngs: function() {
if (this._path) this._path.remove();
var p = this._map.latLngToLayerPoint(this._latlng);
var r = Raphael.pathBBox(this._pathString);
this._path = this._paper.path(this._pathString)
.attr(this._attr)
.translate(p.x - 1.05*r.width, p.y - 1.15*r.height)
.toFront();
this._set.push(this._path);
}
});
R.Pulse = R.Layer.extend({
initialize: function(latlng, radius, attr, pulseAttr, options) {
R.Layer.prototype.initialize.call(this, options);
this._latlng = latlng;
this._radius = (typeof radius == 'number' ? radius : 6);
this._attr = (typeof radius == 'object' ? radius : (typeof attr == 'object' ? attr : {'fill': '#30a3ec', 'stroke': '#30a3ec'}));
this._pulseAttr = (typeof radius == 'object' ? attr : typeof pulseAttr == 'object' ? pulseAttr : {
'stroke-width': 3,
'stroke': this._attr.stroke
});
this._repeat = 3;
},
onRemove: function (map) {
R.Layer.prototype.onRemove.call(this, map);
if(this._marker) this._marker.remove();
if(this._pulse) this._pulse.remove();
},
projectLatLngs: function() {
if(this._marker) this._marker.remove();
if(this._pulse) this._pulse.remove();
var p = this._map.latLngToLayerPoint(this._latlng);
this._marker = this._paper.circle(p.x, p.y, this._radius).attr(this._attr);
this._pulse = this._paper.circle(p.x, p.y, this._radius).attr(this._pulseAttr);
var anim = Raphael.animation({
'0%': {transform: 's0.3', opacity: 1.0},
'100%': {transform: 's3.0', opacity: 0.0, easing: '<'}
}, 1000);
this._pulse.animate(anim.repeat(this._repeat));
}
});
R.Polyline = R.Layer.extend({
initialize: function(latlngs, attr, options) {
R.Layer.prototype.initialize.call(this, options);
this._latlngs = latlngs;
this._attr = attr || {'fill': '#000', 'stroke': '#000'};
},
projectLatLngs: function() {
this._set.clear();
if (this._path) this._path.remove();
this._path = this._paper.path(this.getPathString())
.attr(this._attr)
.toBack();
this._set.push(this._path);
},
getPathString: function() {
for(var i=0, len=this._latlngs.length, str=''; i<len; i++) {
var p = this._map.latLngToLayerPoint(this._latlngs[i]);
str += (i ? 'L' : 'M') + p.x + ' ' + p.y;
}
return str;
}
});
R.Polygon = R.Layer.extend({
initialize: function(latlngs, attr, options) {
R.Layer.prototype.initialize.call(this, options);
if(latlngs.length == 1) {
if(latlngs[0] instanceof Array) {
latlngs = latlngs[0];
}
}
this._latlngs = latlngs;
this._attr = attr || {'fill': 'rgba(255, 0, 0, 0.5)', 'stroke': '#f00', 'stroke-width': 2};
},
projectLatLngs: function() {
if (this._path) this._path.remove();
this._path = this._paper.path(this.getPathString())
.attr(this._attr)
.toBack();
this._set.push(this._path);
},
getPathString: function() {
for(var i=0, len=this._latlngs.length, str=''; i<len; i++) {
var p = this._map.latLngToLayerPoint(this._latlngs[i]);
str += (i ? 'L' : 'M') + p.x + ' ' + p.y;
}
str += 'Z';
return str;
}
});
R.PolygonGlow = R.Layer.extend({
initialize: function(latlngs, attr, options) {
R.Layer.prototype.initialize.call(this, options);
this._latlngs = latlngs;
this._attr = attr || {'fill': 'rgba(255, 0, 0, 1)', 'stroke': '#f00', 'stroke-width': 3};
},
onRemove: function(map) {
R.Layer.prototype.onRemove.call(this, map);
if(this._path) this._path.remove();
},
projectLatLngs: function() {
if (this._path) this._path.remove();
this._path = this._paper.path(this.getPathString())
.attr(this._attr)
.toBack();
var p = this._path;
var fadeIn = function() {
p.animate({
'fill-opacity': 0.25
}, 1000, '<', fadeOut);
};
var fadeOut = function() {
p.animate({
'fill-opacity': 1
}, 1000, '<', fadeIn);
};
fadeOut();
},
getPathString: function() {
for(var i=0, len=this._latlngs.length, str=''; i<len; i++) {
var p = this._map.latLngToLayerPoint(this._latlngs[i]);
str += (i ? 'L' : 'M') + p.x + ' ' + p.y;
}
str += 'Z';
return str;
}
});
R.Bezier = R.Layer.extend({
initialize: function(latlngs, attr, options) {
R.Layer.prototype.initialize.call(this, options);
this._latlngs = latlngs;
this._attr = attr;
},
projectLatLngs: function() {
if(this._path) this._path.remove();
var start = this._map.latLngToLayerPoint(this._latlngs[0]),
end = this._map.latLngToLayerPoint(this._latlngs[1]),
cp = this.getControlPoint(start, end);
this._path = this._paper.path('M' + start.x + ' ' + start.y + 'Q' + cp.x + ' ' + cp.y + ' ' + end.x + ' ' + end.y)
.attr(this._attr)
.toBack();
this._set.push(this._path);
},
getControlPoint: function(start, end) {
var cp = { x: 0, y: 0 };
cp.x = start.x + (end.x - [start.x]) / 2;
cp.y = start.y + (end.y - [start.y]) / 2;
var amp = 0;
if (this.closeTo(start.x, end.x) && !this.closeTo(start.y, end.y)) {
amp = (start.x - end.x) * 1 + 15 * (start.x >= end.x ? 1 : -1);
cp.x = Math.max(start.x, end.x) + amp;
} else {
amp = (end.y - start.y) * 1.5 + 15 * (start.y < end.y ? 1 : -1);
cp.y = Math.min(start.y, end.y) + amp;
}
return cp;
},
closeTo: function(a, b) {
var t = 15;
return (a - b > -t && a - b < t);
}
});
R.BezierAnim = R.Layer.extend({
initialize: function(latlngs, attr, cb, options) {
R.Layer.prototype.initialize.call(this, options);
this._latlngs = latlngs;
this._attr = attr;
this._cb = cb;
},
onRemove: function (map) {
R.Layer.prototype.onRemove.call(this, map);
if(this._path) this._path.remove();
if(this._sub) this._sub.remove();
},
projectLatLngs: function() {
if(this._path) this._path.remove();
if(this._sub) this._sub.remove();
var self = this,
start = this._map.latLngToLayerPoint(this._latlngs[0]),
end = this._map.latLngToLayerPoint(this._latlngs[1]),
cp = this.getControlPoint(start, end),
pathString="M"+start.x+" "+start.y+" L"+end.x+" "+end.y,
line = this._paper.path(pathString).hide();
this._paper.customAttributes.alongBezier = function(a) {
var r = this.data('reverse');
var len = this.data('pathLength');
return {
path: this.data('bezierPath').getSubpath(r ? (1-a)*len : 0, r ? len : a*len)
};
};
var sub = this._sub = this._paper.path()
.data('bezierPath', line)
.data('pathLength', line.getTotalLength())
.data('reverse', false)
.attr({
'stroke': '#BE1E2D',
'alongBezier': 0,
'stroke-width': 1
});
sub.stop().animate({
alongBezier: 1
}, 2000, function() {
//self._cb();
sub.data('reverse', true);
// sub.stop().animate({
// 'alongBezier': 0
// }, 500, function() { sub.remove(); });
});
},
getControlPoint: function(start, end) {
var cp = { x: 0, y: 0 };
cp.x = start.x + (end.x - [start.x]) / 2;
cp.y = start.y + (end.y - [start.y]) / 2;
var amp = 0;
if (this.closeTo(start.x, end.x) && !this.closeTo(start.y, end.y)) {
amp = (start.x - end.x) * 1 + 15 * (start.x >= end.x ? 1 : -1);
cp.x = Math.max(start.x, end.x) + amp;
} else {
amp = (end.y - start.y) * 1.5 + 15 * (start.y < end.y ? 1 : -1);
cp.y = Math.min(start.y, end.y) + amp;
}
return cp;
},
closeTo: function(a, b) {
var t = 15;
return (a - b > -t && a - b < t);
}
});
R.FeatureGroup = L.FeatureGroup.extend({
initialize: function(layers, options) {
L.FeatureGroup.prototype.initialize.call(this, layers, options);
},
animate: function(attr, ms, easing, callback) {
this.eachLayer(function(layer) {
layer.animate(attr, ms, easing, callback);
});
},
onAdd: function(map) {
L.FeatureGroup.prototype.onAdd.call(this,map);
this._set = this._map._paper.set();
for(i in this._layers) {
this._set.push(this._layers[i]._set);
}
},
hover: function(h_in, h_out, c_in, c_out) {
this.eachLayer(function(layer) {
layer.hover(h_in, h_out, c_in, c_out);
});
return this;
},
attr: function(name, value) {
this.eachLayer(function(layer) {
layer.attr(name, value);
});
return this;
}
});
/*
* Contains L.MultiPolyline and L.MultiPolygon layers.
*/
(function () {
function createMulti(Klass) {
return R.FeatureGroup.extend({
initialize: function (latlngs, options) {
this._layers = {};
this._options = options;
this.setLatLngs(latlngs);
},
setLatLngs: function (latlngs) {
var i = 0, len = latlngs.length;
this.eachLayer(function (layer) {
if (i < len) {
layer.setLatLngs(latlngs[i++]);
} else {
this.removeLayer(layer);
}
}, this);
while (i < len) {
this.addLayer(new Klass(latlngs[i++], this._options));
}
return this;
}
});
}
R.MultiPolyline = createMulti(R.Polyline);
R.MultiPolygon = createMulti(R.Polygon);
}());
R.GeoJSON = R.FeatureGroup.extend({
initialize: function (geojson, options) {
L.Util.setOptions(this, options);
this._geojson = geojson;
this._layers = {};
if (geojson) {
this.addGeoJSON(geojson);
}
},
addGeoJSON: function (geojson) {
var features = geojson.features,
i, len;
if (features) {
for (i = 0, len = features.length; i < len; i++) {
this.addGeoJSON(features[i]);
}
return;
}
var isFeature = (geojson.type === 'Feature'),
geometry = isFeature ? geojson.geometry : geojson,
layer = R.GeoJSON.geometryToLayer(geometry, this.options.pointToLayer);
this.fire('featureparse', {
layer: layer,
properties: geojson.properties,
geometryType: geometry.type,
bbox: geojson.bbox,
id: geojson.id,
geometry: geojson.geometry
});
this.addLayer(layer);
}
});
L.Util.extend(R.GeoJSON, {
geometryToLayer: function (geometry, pointToLayer) {
var coords = geometry.coordinates,
layers = [],
latlng, latlngs, i, len, layer;
switch (geometry.type) {
case 'Point':
latlng = this.coordsToLatLng(coords);
return pointToLayer ? pointToLayer(latlng) : new R.Marker(latlng);
case 'MultiPoint':
for (i = 0, len = coords.length; i < len; i++) {
latlng = this.coordsToLatLng(coords[i]);
layer = pointToLayer ? pointToLayer(latlng) : new R.Marker(latlng);
layers.push(layer);
}
return new R.FeatureGroup(layers);
case 'LineString':
latlngs = this.coordsToLatLngs(coords);
return new R.Polyline(latlngs);
case 'Polygon':
latlngs = this.coordsToLatLngs(coords, 1);
return new R.Polygon(latlngs);
case 'MultiLineString':
latlngs = this.coordsToLatLngs(coords, 1);
return new R.MultiPolyline(latlngs);
case "MultiPolygon":
latlngs = this.coordsToLatLngs(coords, 2);
return new R.MultiPolygon(latlngs);
case "GeometryCollection":
for (i = 0, len = geometry.geometries.length; i < len; i++) {
layer = this.geometryToLayer(geometry.geometries[i], pointToLayer);
layers.push(layer);
}
return new R.FeatureGroup(layers);
default:
throw new Error('Invalid GeoJSON object.');
}
},
coordsToLatLng: function (coords, reverse) { // (Array, Boolean) -> LatLng
var lat = parseFloat(coords[reverse ? 0 : 1]),
lng = parseFloat(coords[reverse ? 1 : 0]);
return new L.LatLng(lat, lng, true);
},
coordsToLatLngs: function (coords, levelsDeep, reverse) { // (Array, Number, Boolean) -> Array
var latlng,
latlngs = [],
i, len;
for (i = 0, len = coords.length; i < len; i++) {
latlng = levelsDeep ?
this.coordsToLatLngs(coords[i], levelsDeep - 1, reverse) :
this.coordsToLatLng(coords[i], reverse);
latlngs.push(latlng);
}
return latlngs;
}
});
}());