bower_components.leaflet-draw.dist.leaflet.draw-src.js Maven / Gradle / Ivy
/*
Leaflet.draw, a plugin that adds drawing and editing tools to Leaflet powered maps.
(c) 2012-2013, Jacob Toye, Smartrak
https://github.com/Leaflet/Leaflet.draw
http://leafletjs.com
https://github.com/jacobtoye
*/
(function (window, document, undefined) {/*
* Leaflet.draw assumes that you have already included the Leaflet library.
*/
L.drawVersion = '0.2.4-dev';
L.drawLocal = {
draw: {
toolbar: {
actions: {
title: 'Cancel drawing',
text: 'Cancel'
},
undo: {
title: 'Delete last point drawn',
text: 'Delete last point'
},
buttons: {
polyline: 'Draw a polyline',
polygon: 'Draw a polygon',
rectangle: 'Draw a rectangle',
circle: 'Draw a circle',
marker: 'Draw a marker'
}
},
handlers: {
circle: {
tooltip: {
start: 'Click and drag to draw circle.'
},
radius: 'Radius'
},
marker: {
tooltip: {
start: 'Click map to place marker.'
}
},
polygon: {
tooltip: {
start: 'Click to start drawing shape.',
cont: 'Click to continue drawing shape.',
end: 'Click first point to close this shape.'
}
},
polyline: {
error: 'Error: shape edges cannot cross!',
tooltip: {
start: 'Click to start drawing line.',
cont: 'Click to continue drawing line.',
end: 'Click last point to finish line.'
}
},
rectangle: {
tooltip: {
start: 'Click and drag to draw rectangle.'
}
},
simpleshape: {
tooltip: {
end: 'Release mouse to finish drawing.'
}
}
}
},
edit: {
toolbar: {
actions: {
save: {
title: 'Save changes.',
text: 'Save'
},
cancel: {
title: 'Cancel editing, discards all changes.',
text: 'Cancel'
}
},
buttons: {
edit: 'Edit layers.',
editDisabled: 'No layers to edit.',
remove: 'Delete layers.',
removeDisabled: 'No layers to delete.'
}
},
handlers: {
edit: {
tooltip: {
text: 'Drag handles, or marker to edit feature.',
subtext: 'Click cancel to undo changes.'
}
},
remove: {
tooltip: {
text: 'Click on a feature to remove'
}
}
}
}
};
L.Draw = {};
L.Draw.Feature = L.Handler.extend({
includes: L.Mixin.Events,
initialize: function (map, options) {
this._map = map;
this._container = map._container;
this._overlayPane = map._panes.overlayPane;
this._popupPane = map._panes.popupPane;
// Merge default shapeOptions options with custom shapeOptions
if (options && options.shapeOptions) {
options.shapeOptions = L.Util.extend({}, this.options.shapeOptions, options.shapeOptions);
}
L.setOptions(this, options);
},
enable: function () {
if (this._enabled) { return; }
L.Handler.prototype.enable.call(this);
this.fire('enabled', { handler: this.type });
this._map.fire('draw:drawstart', { layerType: this.type });
},
disable: function () {
if (!this._enabled) { return; }
L.Handler.prototype.disable.call(this);
this._map.fire('draw:drawstop', { layerType: this.type });
this.fire('disabled', { handler: this.type });
},
addHooks: function () {
var map = this._map;
if (map) {
L.DomUtil.disableTextSelection();
map.getContainer().focus();
this._tooltip = new L.Tooltip(this._map);
L.DomEvent.on(this._container, 'keyup', this._cancelDrawing, this);
}
},
removeHooks: function () {
if (this._map) {
L.DomUtil.enableTextSelection();
this._tooltip.dispose();
this._tooltip = null;
L.DomEvent.off(this._container, 'keyup', this._cancelDrawing, this);
}
},
setOptions: function (options) {
L.setOptions(this, options);
},
_fireCreatedEvent: function (layer) {
this._map.fire('draw:created', { layer: layer, layerType: this.type });
},
// Cancel drawing when the escape key is pressed
_cancelDrawing: function (e) {
if (e.keyCode === 27) {
this.disable();
}
}
});
L.Draw.Polyline = L.Draw.Feature.extend({
statics: {
TYPE: 'polyline'
},
Poly: L.Polyline,
options: {
allowIntersection: true,
repeatMode: false,
drawError: {
color: '#b00b00',
timeout: 2500
},
icon: new L.DivIcon({
iconSize: new L.Point(8, 8),
className: 'leaflet-div-icon leaflet-editing-icon'
}),
guidelineDistance: 20,
maxGuideLineLength: 4000,
shapeOptions: {
stroke: true,
color: '#f06eaa',
weight: 4,
opacity: 0.5,
fill: false,
clickable: true
},
metric: true, // Whether to use the metric meaurement system or imperial
showLength: true, // Whether to display distance in the tooltip
zIndexOffset: 2000 // This should be > than the highest z-index any map layers
},
initialize: function (map, options) {
// Need to set this here to ensure the correct message is used.
this.options.drawError.message = L.drawLocal.draw.handlers.polyline.error;
// Merge default drawError options with custom options
if (options && options.drawError) {
options.drawError = L.Util.extend({}, this.options.drawError, options.drawError);
}
// Save the type so super can fire, need to do this as cannot do this.TYPE :(
this.type = L.Draw.Polyline.TYPE;
L.Draw.Feature.prototype.initialize.call(this, map, options);
},
addHooks: function () {
L.Draw.Feature.prototype.addHooks.call(this);
if (this._map) {
this._markers = [];
this._markerGroup = new L.LayerGroup();
this._map.addLayer(this._markerGroup);
this._poly = new L.Polyline([], this.options.shapeOptions);
this._tooltip.updateContent(this._getTooltipText());
// Make a transparent marker that will used to catch click events. These click
// events will create the vertices. We need to do this so we can ensure that
// we can create vertices over other map layers (markers, vector layers). We
// also do not want to trigger any click handlers of objects we are clicking on
// while drawing.
if (!this._mouseMarker) {
this._mouseMarker = L.marker(this._map.getCenter(), {
icon: L.divIcon({
className: 'leaflet-mouse-marker',
iconAnchor: [20, 20],
iconSize: [40, 40]
}),
opacity: 0,
zIndexOffset: this.options.zIndexOffset
});
}
this._mouseMarker
.on('mousedown', this._onMouseDown, this)
.addTo(this._map);
this._map
.on('mousemove', this._onMouseMove, this)
.on('mouseup', this._onMouseUp, this)
.on('zoomend', this._onZoomEnd, this);
}
},
removeHooks: function () {
L.Draw.Feature.prototype.removeHooks.call(this);
this._clearHideErrorTimeout();
this._cleanUpShape();
// remove markers from map
this._map.removeLayer(this._markerGroup);
delete this._markerGroup;
delete this._markers;
this._map.removeLayer(this._poly);
delete this._poly;
this._mouseMarker
.off('mousedown', this._onMouseDown, this)
.off('mouseup', this._onMouseUp, this);
this._map.removeLayer(this._mouseMarker);
delete this._mouseMarker;
// clean up DOM
this._clearGuides();
this._map
.off('mousemove', this._onMouseMove, this)
.off('zoomend', this._onZoomEnd, this);
},
deleteLastVertex: function () {
if (this._markers.length <= 1) {
return;
}
var lastMarker = this._markers.pop(),
poly = this._poly,
latlng = this._poly.spliceLatLngs(poly.getLatLngs().length - 1, 1)[0];
this._markerGroup.removeLayer(lastMarker);
if (poly.getLatLngs().length < 2) {
this._map.removeLayer(poly);
}
this._vertexChanged(latlng, false);
},
addVertex: function (latlng) {
var markersLength = this._markers.length;
if (markersLength > 0 && !this.options.allowIntersection && this._poly.newLatLngIntersects(latlng)) {
this._showErrorTooltip();
return;
}
else if (this._errorShown) {
this._hideErrorTooltip();
}
this._markers.push(this._createMarker(latlng));
this._poly.addLatLng(latlng);
if (this._poly.getLatLngs().length === 2) {
this._map.addLayer(this._poly);
}
this._vertexChanged(latlng, true);
},
_finishShape: function () {
var intersects = this._poly.newLatLngIntersects(this._poly.getLatLngs()[0], true);
if ((!this.options.allowIntersection && intersects) || !this._shapeIsValid()) {
this._showErrorTooltip();
return;
}
this._fireCreatedEvent();
this.disable();
if (this.options.repeatMode) {
this.enable();
}
},
//Called to verify the shape is valid when the user tries to finish it
//Return false if the shape is not valid
_shapeIsValid: function () {
return true;
},
_onZoomEnd: function () {
this._updateGuide();
},
_onMouseMove: function (e) {
var newPos = e.layerPoint,
latlng = e.latlng;
// Save latlng
// should this be moved to _updateGuide() ?
this._currentLatLng = latlng;
this._updateTooltip(latlng);
// Update the guide line
this._updateGuide(newPos);
// Update the mouse marker position
this._mouseMarker.setLatLng(latlng);
L.DomEvent.preventDefault(e.originalEvent);
},
_vertexChanged: function (latlng, added) {
this._updateFinishHandler();
this._updateRunningMeasure(latlng, added);
this._clearGuides();
this._updateTooltip();
},
_onMouseDown: function (e) {
var originalEvent = e.originalEvent;
this._mouseDownOrigin = L.point(originalEvent.clientX, originalEvent.clientY);
},
_onMouseUp: function (e) {
if (this._mouseDownOrigin) {
// We detect clicks within a certain tolerance, otherwise let it
// be interpreted as a drag by the map
var distance = L.point(e.originalEvent.clientX, e.originalEvent.clientY)
.distanceTo(this._mouseDownOrigin);
if (Math.abs(distance) < 9 * (window.devicePixelRatio || 1)) {
this.addVertex(e.latlng);
}
}
this._mouseDownOrigin = null;
},
_updateFinishHandler: function () {
var markerCount = this._markers.length;
// The last marker should have a click handler to close the polyline
if (markerCount > 1) {
this._markers[markerCount - 1].on('click', this._finishShape, this);
}
// Remove the old marker click handler (as only the last point should close the polyline)
if (markerCount > 2) {
this._markers[markerCount - 2].off('click', this._finishShape, this);
}
},
_createMarker: function (latlng) {
var marker = new L.Marker(latlng, {
icon: this.options.icon,
zIndexOffset: this.options.zIndexOffset * 2
});
this._markerGroup.addLayer(marker);
return marker;
},
_updateGuide: function (newPos) {
var markerCount = this._markers.length;
if (markerCount > 0) {
newPos = newPos || this._map.latLngToLayerPoint(this._currentLatLng);
// draw the guide line
this._clearGuides();
this._drawGuide(
this._map.latLngToLayerPoint(this._markers[markerCount - 1].getLatLng()),
newPos
);
}
},
_updateTooltip: function (latLng) {
var text = this._getTooltipText();
if (latLng) {
this._tooltip.updatePosition(latLng);
}
if (!this._errorShown) {
this._tooltip.updateContent(text);
}
},
_drawGuide: function (pointA, pointB) {
var length = Math.floor(Math.sqrt(Math.pow((pointB.x - pointA.x), 2) + Math.pow((pointB.y - pointA.y), 2))),
guidelineDistance = this.options.guidelineDistance,
maxGuideLineLength = this.options.maxGuideLineLength,
// Only draw a guideline with a max length
i = length > maxGuideLineLength ? length - maxGuideLineLength : guidelineDistance,
fraction,
dashPoint,
dash;
//create the guides container if we haven't yet
if (!this._guidesContainer) {
this._guidesContainer = L.DomUtil.create('div', 'leaflet-draw-guides', this._overlayPane);
}
//draw a dash every GuildeLineDistance
for (; i < length; i += this.options.guidelineDistance) {
//work out fraction along line we are
fraction = i / length;
//calculate new x,y point
dashPoint = {
x: Math.floor((pointA.x * (1 - fraction)) + (fraction * pointB.x)),
y: Math.floor((pointA.y * (1 - fraction)) + (fraction * pointB.y))
};
//add guide dash to guide container
dash = L.DomUtil.create('div', 'leaflet-draw-guide-dash', this._guidesContainer);
dash.style.backgroundColor =
!this._errorShown ? this.options.shapeOptions.color : this.options.drawError.color;
L.DomUtil.setPosition(dash, dashPoint);
}
},
_updateGuideColor: function (color) {
if (this._guidesContainer) {
for (var i = 0, l = this._guidesContainer.childNodes.length; i < l; i++) {
this._guidesContainer.childNodes[i].style.backgroundColor = color;
}
}
},
// removes all child elements (guide dashes) from the guides container
_clearGuides: function () {
if (this._guidesContainer) {
while (this._guidesContainer.firstChild) {
this._guidesContainer.removeChild(this._guidesContainer.firstChild);
}
}
},
_getTooltipText: function () {
var showLength = this.options.showLength,
labelText, distanceStr;
if (this._markers.length === 0) {
labelText = {
text: L.drawLocal.draw.handlers.polyline.tooltip.start
};
} else {
distanceStr = showLength ? this._getMeasurementString() : '';
if (this._markers.length === 1) {
labelText = {
text: L.drawLocal.draw.handlers.polyline.tooltip.cont,
subtext: distanceStr
};
} else {
labelText = {
text: L.drawLocal.draw.handlers.polyline.tooltip.end,
subtext: distanceStr
};
}
}
return labelText;
},
_updateRunningMeasure: function (latlng, added) {
var markersLength = this._markers.length,
previousMarkerIndex, distance;
if (this._markers.length === 1) {
this._measurementRunningTotal = 0;
} else {
previousMarkerIndex = markersLength - (added ? 2 : 1);
distance = latlng.distanceTo(this._markers[previousMarkerIndex].getLatLng());
this._measurementRunningTotal += distance * (added ? 1 : -1);
}
},
_getMeasurementString: function () {
var currentLatLng = this._currentLatLng,
previousLatLng = this._markers[this._markers.length - 1].getLatLng(),
distance;
// calculate the distance from the last fixed point to the mouse position
distance = this._measurementRunningTotal + currentLatLng.distanceTo(previousLatLng);
return L.GeometryUtil.readableDistance(distance, this.options.metric);
},
_showErrorTooltip: function () {
this._errorShown = true;
// Update tooltip
this._tooltip
.showAsError()
.updateContent({ text: this.options.drawError.message });
// Update shape
this._updateGuideColor(this.options.drawError.color);
this._poly.setStyle({ color: this.options.drawError.color });
// Hide the error after 2 seconds
this._clearHideErrorTimeout();
this._hideErrorTimeout = setTimeout(L.Util.bind(this._hideErrorTooltip, this), this.options.drawError.timeout);
},
_hideErrorTooltip: function () {
this._errorShown = false;
this._clearHideErrorTimeout();
// Revert tooltip
this._tooltip
.removeError()
.updateContent(this._getTooltipText());
// Revert shape
this._updateGuideColor(this.options.shapeOptions.color);
this._poly.setStyle({ color: this.options.shapeOptions.color });
},
_clearHideErrorTimeout: function () {
if (this._hideErrorTimeout) {
clearTimeout(this._hideErrorTimeout);
this._hideErrorTimeout = null;
}
},
_cleanUpShape: function () {
if (this._markers.length > 1) {
this._markers[this._markers.length - 1].off('click', this._finishShape, this);
}
},
_fireCreatedEvent: function () {
var poly = new this.Poly(this._poly.getLatLngs(), this.options.shapeOptions);
L.Draw.Feature.prototype._fireCreatedEvent.call(this, poly);
}
});
L.Draw.Polygon = L.Draw.Polyline.extend({
statics: {
TYPE: 'polygon'
},
Poly: L.Polygon,
options: {
showArea: false,
shapeOptions: {
stroke: true,
color: '#f06eaa',
weight: 4,
opacity: 0.5,
fill: true,
fillColor: null, //same as color by default
fillOpacity: 0.2,
clickable: true
}
},
initialize: function (map, options) {
L.Draw.Polyline.prototype.initialize.call(this, map, options);
// Save the type so super can fire, need to do this as cannot do this.TYPE :(
this.type = L.Draw.Polygon.TYPE;
},
_updateFinishHandler: function () {
var markerCount = this._markers.length;
// The first marker should have a click handler to close the polygon
if (markerCount === 1) {
this._markers[0].on('click', this._finishShape, this);
}
// Add and update the double click handler
if (markerCount > 2) {
this._markers[markerCount - 1].on('dblclick', this._finishShape, this);
// Only need to remove handler if has been added before
if (markerCount > 3) {
this._markers[markerCount - 2].off('dblclick', this._finishShape, this);
}
}
},
_getTooltipText: function () {
var text, subtext;
if (this._markers.length === 0) {
text = L.drawLocal.draw.handlers.polygon.tooltip.start;
} else if (this._markers.length < 3) {
text = L.drawLocal.draw.handlers.polygon.tooltip.cont;
} else {
text = L.drawLocal.draw.handlers.polygon.tooltip.end;
subtext = this._getMeasurementString();
}
return {
text: text,
subtext: subtext
};
},
_getMeasurementString: function () {
var area = this._area;
if (!area) {
return null;
}
return L.GeometryUtil.readableArea(area, this.options.metric);
},
_shapeIsValid: function () {
return this._markers.length >= 3;
},
_vertexChanged: function (latlng, added) {
var latLngs;
// Check to see if we should show the area
if (!this.options.allowIntersection && this.options.showArea) {
latLngs = this._poly.getLatLngs();
this._area = L.GeometryUtil.geodesicArea(latLngs);
}
L.Draw.Polyline.prototype._vertexChanged.call(this, latlng, added);
},
_cleanUpShape: function () {
var markerCount = this._markers.length;
if (markerCount > 0) {
this._markers[0].off('click', this._finishShape, this);
if (markerCount > 2) {
this._markers[markerCount - 1].off('dblclick', this._finishShape, this);
}
}
}
});
L.SimpleShape = {};
L.Draw.SimpleShape = L.Draw.Feature.extend({
options: {
repeatMode: false
},
initialize: function (map, options) {
this._endLabelText = L.drawLocal.draw.handlers.simpleshape.tooltip.end;
L.Draw.Feature.prototype.initialize.call(this, map, options);
},
addHooks: function () {
L.Draw.Feature.prototype.addHooks.call(this);
if (this._map) {
this._mapDraggable = this._map.dragging.enabled();
if (this._mapDraggable) {
this._map.dragging.disable();
}
//TODO refactor: move cursor to styles
this._container.style.cursor = 'crosshair';
this._tooltip.updateContent({ text: this._initialLabelText });
this._map
.on('mousedown', this._onMouseDown, this)
.on('mousemove', this._onMouseMove, this);
}
},
removeHooks: function () {
L.Draw.Feature.prototype.removeHooks.call(this);
if (this._map) {
if (this._mapDraggable) {
this._map.dragging.enable();
}
//TODO refactor: move cursor to styles
this._container.style.cursor = '';
this._map
.off('mousedown', this._onMouseDown, this)
.off('mousemove', this._onMouseMove, this);
L.DomEvent.off(document, 'mouseup', this._onMouseUp, this);
// If the box element doesn't exist they must not have moved the mouse, so don't need to destroy/return
if (this._shape) {
this._map.removeLayer(this._shape);
delete this._shape;
}
}
this._isDrawing = false;
},
_getTooltipText: function () {
return {
text: this._endLabelText
};
},
_onMouseDown: function (e) {
this._isDrawing = true;
this._startLatLng = e.latlng;
L.DomEvent
.on(document, 'mouseup', this._onMouseUp, this)
.preventDefault(e.originalEvent);
},
_onMouseMove: function (e) {
var latlng = e.latlng;
this._tooltip.updatePosition(latlng);
if (this._isDrawing) {
this._tooltip.updateContent(this._getTooltipText());
this._drawShape(latlng);
}
},
_onMouseUp: function () {
if (this._shape) {
this._fireCreatedEvent();
}
this.disable();
if (this.options.repeatMode) {
this.enable();
}
}
});
L.Draw.Rectangle = L.Draw.SimpleShape.extend({
statics: {
TYPE: 'rectangle'
},
options: {
shapeOptions: {
stroke: true,
color: '#f06eaa',
weight: 4,
opacity: 0.5,
fill: true,
fillColor: null, //same as color by default
fillOpacity: 0.2,
clickable: true
},
metric: true // Whether to use the metric meaurement system or imperial
},
initialize: function (map, options) {
// Save the type so super can fire, need to do this as cannot do this.TYPE :(
this.type = L.Draw.Rectangle.TYPE;
this._initialLabelText = L.drawLocal.draw.handlers.rectangle.tooltip.start;
L.Draw.SimpleShape.prototype.initialize.call(this, map, options);
},
_drawShape: function (latlng) {
if (!this._shape) {
this._shape = new L.Rectangle(new L.LatLngBounds(this._startLatLng, latlng), this.options.shapeOptions);
this._map.addLayer(this._shape);
} else {
this._shape.setBounds(new L.LatLngBounds(this._startLatLng, latlng));
}
},
_fireCreatedEvent: function () {
var rectangle = new L.Rectangle(this._shape.getBounds(), this.options.shapeOptions);
L.Draw.SimpleShape.prototype._fireCreatedEvent.call(this, rectangle);
},
_getTooltipText: function () {
var tooltipText = L.Draw.SimpleShape.prototype._getTooltipText.call(this),
shape = this._shape,
latLngs, area, subtext;
if (shape) {
latLngs = this._shape.getLatLngs();
area = L.GeometryUtil.geodesicArea(latLngs);
subtext = L.GeometryUtil.readableArea(area, this.options.metric);
}
return {
text: tooltipText.text,
subtext: subtext
};
}
});
L.Draw.Circle = L.Draw.SimpleShape.extend({
statics: {
TYPE: 'circle'
},
options: {
shapeOptions: {
stroke: true,
color: '#f06eaa',
weight: 4,
opacity: 0.5,
fill: true,
fillColor: null, //same as color by default
fillOpacity: 0.2,
clickable: true
},
showRadius: true,
metric: true // Whether to use the metric meaurement system or imperial
},
initialize: function (map, options) {
// Save the type so super can fire, need to do this as cannot do this.TYPE :(
this.type = L.Draw.Circle.TYPE;
this._initialLabelText = L.drawLocal.draw.handlers.circle.tooltip.start;
L.Draw.SimpleShape.prototype.initialize.call(this, map, options);
},
_drawShape: function (latlng) {
if (!this._shape) {
this._shape = new L.Circle(this._startLatLng, this._startLatLng.distanceTo(latlng), this.options.shapeOptions);
this._map.addLayer(this._shape);
} else {
this._shape.setRadius(this._startLatLng.distanceTo(latlng));
}
},
_fireCreatedEvent: function () {
var circle = new L.Circle(this._startLatLng, this._shape.getRadius(), this.options.shapeOptions);
L.Draw.SimpleShape.prototype._fireCreatedEvent.call(this, circle);
},
_onMouseMove: function (e) {
var latlng = e.latlng,
showRadius = this.options.showRadius,
useMetric = this.options.metric,
radius;
this._tooltip.updatePosition(latlng);
if (this._isDrawing) {
this._drawShape(latlng);
// Get the new radius (rounded to 1 dp)
radius = this._shape.getRadius().toFixed(1);
this._tooltip.updateContent({
text: this._endLabelText,
subtext: showRadius ? L.drawLocal.draw.handlers.circle.radius + ': ' + L.GeometryUtil.readableDistance(radius, useMetric) : ''
});
}
}
});
L.Draw.Marker = L.Draw.Feature.extend({
statics: {
TYPE: 'marker'
},
options: {
icon: new L.Icon.Default(),
repeatMode: false,
zIndexOffset: 2000 // This should be > than the highest z-index any markers
},
initialize: function (map, options) {
// Save the type so super can fire, need to do this as cannot do this.TYPE :(
this.type = L.Draw.Marker.TYPE;
L.Draw.Feature.prototype.initialize.call(this, map, options);
},
addHooks: function () {
L.Draw.Feature.prototype.addHooks.call(this);
if (this._map) {
this._tooltip.updateContent({ text: L.drawLocal.draw.handlers.marker.tooltip.start });
// Same mouseMarker as in Draw.Polyline
if (!this._mouseMarker) {
this._mouseMarker = L.marker(this._map.getCenter(), {
icon: L.divIcon({
className: 'leaflet-mouse-marker',
iconAnchor: [20, 20],
iconSize: [40, 40]
}),
opacity: 0,
zIndexOffset: this.options.zIndexOffset
});
}
this._mouseMarker
.on('click', this._onClick, this)
.addTo(this._map);
this._map.on('mousemove', this._onMouseMove, this);
}
},
removeHooks: function () {
L.Draw.Feature.prototype.removeHooks.call(this);
if (this._map) {
if (this._marker) {
this._marker.off('click', this._onClick, this);
this._map
.off('click', this._onClick, this)
.removeLayer(this._marker);
delete this._marker;
}
this._mouseMarker.off('click', this._onClick, this);
this._map.removeLayer(this._mouseMarker);
delete this._mouseMarker;
this._map.off('mousemove', this._onMouseMove, this);
}
},
_onMouseMove: function (e) {
var latlng = e.latlng;
this._tooltip.updatePosition(latlng);
this._mouseMarker.setLatLng(latlng);
if (!this._marker) {
this._marker = new L.Marker(latlng, {
icon: this.options.icon,
zIndexOffset: this.options.zIndexOffset
});
// Bind to both marker and map to make sure we get the click event.
this._marker.on('click', this._onClick, this);
this._map
.on('click', this._onClick, this)
.addLayer(this._marker);
}
else {
latlng = this._mouseMarker.getLatLng();
this._marker.setLatLng(latlng);
}
},
_onClick: function () {
this._fireCreatedEvent();
this.disable();
if (this.options.repeatMode) {
this.enable();
}
},
_fireCreatedEvent: function () {
var marker = new L.Marker(this._marker.getLatLng(), { icon: this.options.icon });
L.Draw.Feature.prototype._fireCreatedEvent.call(this, marker);
}
});
L.Edit = L.Edit || {};
L.Edit.Marker = L.Handler.extend({
initialize: function (marker, options) {
this._marker = marker;
L.setOptions(this, options);
},
addHooks: function () {
var marker = this._marker;
marker.dragging.enable();
marker.on('dragend', this._onDragEnd, marker);
this._toggleMarkerHighlight();
},
removeHooks: function () {
var marker = this._marker;
marker.dragging.disable();
marker.off('dragend', this._onDragEnd, marker);
this._toggleMarkerHighlight();
},
_onDragEnd: function (e) {
var layer = e.target;
layer.edited = true;
},
_toggleMarkerHighlight: function () {
// Don't do anything if this layer is a marker but doesn't have an icon. Markers
// should usually have icons. If using Leaflet.draw with Leafler.markercluster there
// is a chance that a marker doesn't.
if (!this._icon) {
return;
}
// This is quite naughty, but I don't see another way of doing it. (short of setting a new icon)
var icon = this._icon;
icon.style.display = 'none';
if (L.DomUtil.hasClass(icon, 'leaflet-edit-marker-selected')) {
L.DomUtil.removeClass(icon, 'leaflet-edit-marker-selected');
// Offset as the border will make the icon move.
this._offsetMarker(icon, -4);
} else {
L.DomUtil.addClass(icon, 'leaflet-edit-marker-selected');
// Offset as the border will make the icon move.
this._offsetMarker(icon, 4);
}
icon.style.display = '';
},
_offsetMarker: function (icon, offset) {
var iconMarginTop = parseInt(icon.style.marginTop, 10) - offset,
iconMarginLeft = parseInt(icon.style.marginLeft, 10) - offset;
icon.style.marginTop = iconMarginTop + 'px';
icon.style.marginLeft = iconMarginLeft + 'px';
}
});
L.Marker.addInitHook(function () {
if (L.Edit.Marker) {
this.editing = new L.Edit.Marker(this);
if (this.options.editable) {
this.editing.enable();
}
}
});
L.Edit = L.Edit || {};
/*
* L.Edit.Poly is an editing handler for polylines and polygons.
*/
L.Edit.Poly = L.Handler.extend({
options: {
icon: new L.DivIcon({
iconSize: new L.Point(8, 8),
className: 'leaflet-div-icon leaflet-editing-icon'
})
},
initialize: function (poly, options) {
this._poly = poly;
L.setOptions(this, options);
},
addHooks: function () {
var poly = this._poly;
if (!(poly instanceof L.Polygon)) {
poly.options.editing.fill = false;
}
poly.setStyle(poly.options.editing);
if (this._poly._map) {
if (!this._markerGroup) {
this._initMarkers();
}
this._poly._map.addLayer(this._markerGroup);
}
},
removeHooks: function () {
var poly = this._poly;
poly.setStyle(poly.options.original);
if (poly._map) {
poly._map.removeLayer(this._markerGroup);
delete this._markerGroup;
delete this._markers;
}
},
updateMarkers: function () {
this._markerGroup.clearLayers();
this._initMarkers();
},
_initMarkers: function () {
if (!this._markerGroup) {
this._markerGroup = new L.LayerGroup();
}
this._markers = [];
var latlngs = this._poly._latlngs,
i, j, len, marker;
// TODO refactor holes implementation in Polygon to support it here
for (i = 0, len = latlngs.length; i < len; i++) {
marker = this._createMarker(latlngs[i], i);
marker.on('click', this._onMarkerClick, this);
this._markers.push(marker);
}
var markerLeft, markerRight;
for (i = 0, j = len - 1; i < len; j = i++) {
if (i === 0 && !(L.Polygon && (this._poly instanceof L.Polygon))) {
continue;
}
markerLeft = this._markers[j];
markerRight = this._markers[i];
this._createMiddleMarker(markerLeft, markerRight);
this._updatePrevNext(markerLeft, markerRight);
}
},
_createMarker: function (latlng, index) {
var marker = new L.Marker(latlng, {
draggable: true,
icon: this.options.icon
});
marker._origLatLng = latlng;
marker._index = index;
marker.on('drag', this._onMarkerDrag, this);
marker.on('dragend', this._fireEdit, this);
this._markerGroup.addLayer(marker);
return marker;
},
_removeMarker: function (marker) {
var i = marker._index;
this._markerGroup.removeLayer(marker);
this._markers.splice(i, 1);
this._poly.spliceLatLngs(i, 1);
this._updateIndexes(i, -1);
marker
.off('drag', this._onMarkerDrag, this)
.off('dragend', this._fireEdit, this)
.off('click', this._onMarkerClick, this);
},
_fireEdit: function () {
this._poly.edited = true;
this._poly.fire('edit');
},
_onMarkerDrag: function (e) {
var marker = e.target;
L.extend(marker._origLatLng, marker._latlng);
if (marker._middleLeft) {
marker._middleLeft.setLatLng(this._getMiddleLatLng(marker._prev, marker));
}
if (marker._middleRight) {
marker._middleRight.setLatLng(this._getMiddleLatLng(marker, marker._next));
}
this._poly.redraw();
},
_onMarkerClick: function (e) {
var minPoints = L.Polygon && (this._poly instanceof L.Polygon) ? 4 : 3,
marker = e.target;
// If removing this point would create an invalid polyline/polygon don't remove
if (this._poly._latlngs.length < minPoints) {
return;
}
// remove the marker
this._removeMarker(marker);
// update prev/next links of adjacent markers
this._updatePrevNext(marker._prev, marker._next);
// remove ghost markers near the removed marker
if (marker._middleLeft) {
this._markerGroup.removeLayer(marker._middleLeft);
}
if (marker._middleRight) {
this._markerGroup.removeLayer(marker._middleRight);
}
// create a ghost marker in place of the removed one
if (marker._prev && marker._next) {
this._createMiddleMarker(marker._prev, marker._next);
} else if (!marker._prev) {
marker._next._middleLeft = null;
} else if (!marker._next) {
marker._prev._middleRight = null;
}
this._fireEdit();
},
_updateIndexes: function (index, delta) {
this._markerGroup.eachLayer(function (marker) {
if (marker._index > index) {
marker._index += delta;
}
});
},
_createMiddleMarker: function (marker1, marker2) {
var latlng = this._getMiddleLatLng(marker1, marker2),
marker = this._createMarker(latlng),
onClick,
onDragStart,
onDragEnd;
marker.setOpacity(0.6);
marker1._middleRight = marker2._middleLeft = marker;
onDragStart = function () {
var i = marker2._index;
marker._index = i;
marker
.off('click', onClick, this)
.on('click', this._onMarkerClick, this);
latlng.lat = marker.getLatLng().lat;
latlng.lng = marker.getLatLng().lng;
this._poly.spliceLatLngs(i, 0, latlng);
this._markers.splice(i, 0, marker);
marker.setOpacity(1);
this._updateIndexes(i, 1);
marker2._index++;
this._updatePrevNext(marker1, marker);
this._updatePrevNext(marker, marker2);
this._poly.fire('editstart');
};
onDragEnd = function () {
marker.off('dragstart', onDragStart, this);
marker.off('dragend', onDragEnd, this);
this._createMiddleMarker(marker1, marker);
this._createMiddleMarker(marker, marker2);
};
onClick = function () {
onDragStart.call(this);
onDragEnd.call(this);
this._fireEdit();
};
marker
.on('click', onClick, this)
.on('dragstart', onDragStart, this)
.on('dragend', onDragEnd, this);
this._markerGroup.addLayer(marker);
},
_updatePrevNext: function (marker1, marker2) {
if (marker1) {
marker1._next = marker2;
}
if (marker2) {
marker2._prev = marker1;
}
},
_getMiddleLatLng: function (marker1, marker2) {
var map = this._poly._map,
p1 = map.project(marker1.getLatLng()),
p2 = map.project(marker2.getLatLng());
return map.unproject(p1._add(p2)._divideBy(2));
}
});
L.Polyline.addInitHook(function () {
// Check to see if handler has already been initialized. This is to support versions of Leaflet that still have L.Handler.PolyEdit
if (this.editing) {
return;
}
if (L.Edit.Poly) {
this.editing = new L.Edit.Poly(this);
if (this.options.editable) {
this.editing.enable();
}
}
this.on('add', function () {
if (this.editing && this.editing.enabled()) {
this.editing.addHooks();
}
});
this.on('remove', function () {
if (this.editing && this.editing.enabled()) {
this.editing.removeHooks();
}
});
});
L.Edit = L.Edit || {};
L.Edit.SimpleShape = L.Handler.extend({
options: {
moveIcon: new L.DivIcon({
iconSize: new L.Point(8, 8),
className: 'leaflet-div-icon leaflet-editing-icon leaflet-edit-move'
}),
resizeIcon: new L.DivIcon({
iconSize: new L.Point(8, 8),
className: 'leaflet-div-icon leaflet-editing-icon leaflet-edit-resize'
})
},
initialize: function (shape, options) {
this._shape = shape;
L.Util.setOptions(this, options);
},
addHooks: function () {
var shape = this._shape;
shape.setStyle(shape.options.editing);
if (shape._map) {
this._map = shape._map;
if (!this._markerGroup) {
this._initMarkers();
}
this._map.addLayer(this._markerGroup);
}
},
removeHooks: function () {
var shape = this._shape;
shape.setStyle(shape.options.original);
if (shape._map) {
this._unbindMarker(this._moveMarker);
for (var i = 0, l = this._resizeMarkers.length; i < l; i++) {
this._unbindMarker(this._resizeMarkers[i]);
}
this._resizeMarkers = null;
this._map.removeLayer(this._markerGroup);
delete this._markerGroup;
}
this._map = null;
},
updateMarkers: function () {
this._markerGroup.clearLayers();
this._initMarkers();
},
_initMarkers: function () {
if (!this._markerGroup) {
this._markerGroup = new L.LayerGroup();
}
// Create center marker
this._createMoveMarker();
// Create edge marker
this._createResizeMarker();
},
_createMoveMarker: function () {
// Children override
},
_createResizeMarker: function () {
// Children override
},
_createMarker: function (latlng, icon) {
var marker = new L.Marker(latlng, {
draggable: true,
icon: icon,
zIndexOffset: 10
});
this._bindMarker(marker);
this._markerGroup.addLayer(marker);
return marker;
},
_bindMarker: function (marker) {
marker
.on('dragstart', this._onMarkerDragStart, this)
.on('drag', this._onMarkerDrag, this)
.on('dragend', this._onMarkerDragEnd, this);
},
_unbindMarker: function (marker) {
marker
.off('dragstart', this._onMarkerDragStart, this)
.off('drag', this._onMarkerDrag, this)
.off('dragend', this._onMarkerDragEnd, this);
},
_onMarkerDragStart: function (e) {
var marker = e.target;
marker.setOpacity(0);
this._shape.fire('editstart');
},
_fireEdit: function () {
this._shape.edited = true;
this._shape.fire('edit');
},
_onMarkerDrag: function (e) {
var marker = e.target,
latlng = marker.getLatLng();
if (marker === this._moveMarker) {
this._move(latlng);
} else {
this._resize(latlng);
}
this._shape.redraw();
},
_onMarkerDragEnd: function (e) {
var marker = e.target;
marker.setOpacity(1);
this._fireEdit();
},
_move: function () {
// Children override
},
_resize: function () {
// Children override
}
});
L.Edit = L.Edit || {};
L.Edit.Rectangle = L.Edit.SimpleShape.extend({
_createMoveMarker: function () {
var bounds = this._shape.getBounds(),
center = bounds.getCenter();
this._moveMarker = this._createMarker(center, this.options.moveIcon);
},
_createResizeMarker: function () {
var corners = this._getCorners();
this._resizeMarkers = [];
for (var i = 0, l = corners.length; i < l; i++) {
this._resizeMarkers.push(this._createMarker(corners[i], this.options.resizeIcon));
// Monkey in the corner index as we will need to know this for dragging
this._resizeMarkers[i]._cornerIndex = i;
}
},
_onMarkerDragStart: function (e) {
L.Edit.SimpleShape.prototype._onMarkerDragStart.call(this, e);
// Save a reference to the opposite point
var corners = this._getCorners(),
marker = e.target,
currentCornerIndex = marker._cornerIndex;
this._oppositeCorner = corners[(currentCornerIndex + 2) % 4];
this._toggleCornerMarkers(0, currentCornerIndex);
},
_onMarkerDragEnd: function (e) {
var marker = e.target,
bounds, center;
// Reset move marker position to the center
if (marker === this._moveMarker) {
bounds = this._shape.getBounds();
center = bounds.getCenter();
marker.setLatLng(center);
}
this._toggleCornerMarkers(1);
this._repositionCornerMarkers();
L.Edit.SimpleShape.prototype._onMarkerDragEnd.call(this, e);
},
_move: function (newCenter) {
var latlngs = this._shape.getLatLngs(),
bounds = this._shape.getBounds(),
center = bounds.getCenter(),
offset, newLatLngs = [];
// Offset the latlngs to the new center
for (var i = 0, l = latlngs.length; i < l; i++) {
offset = [latlngs[i].lat - center.lat, latlngs[i].lng - center.lng];
newLatLngs.push([newCenter.lat + offset[0], newCenter.lng + offset[1]]);
}
this._shape.setLatLngs(newLatLngs);
// Reposition the resize markers
this._repositionCornerMarkers();
},
_resize: function (latlng) {
var bounds;
// Update the shape based on the current position of this corner and the opposite point
this._shape.setBounds(L.latLngBounds(latlng, this._oppositeCorner));
// Reposition the move marker
bounds = this._shape.getBounds();
this._moveMarker.setLatLng(bounds.getCenter());
},
_getCorners: function () {
var bounds = this._shape.getBounds(),
nw = bounds.getNorthWest(),
ne = bounds.getNorthEast(),
se = bounds.getSouthEast(),
sw = bounds.getSouthWest();
return [nw, ne, se, sw];
},
_toggleCornerMarkers: function (opacity) {
for (var i = 0, l = this._resizeMarkers.length; i < l; i++) {
this._resizeMarkers[i].setOpacity(opacity);
}
},
_repositionCornerMarkers: function () {
var corners = this._getCorners();
for (var i = 0, l = this._resizeMarkers.length; i < l; i++) {
this._resizeMarkers[i].setLatLng(corners[i]);
}
}
});
L.Rectangle.addInitHook(function () {
if (L.Edit.Rectangle) {
this.editing = new L.Edit.Rectangle(this);
if (this.options.editable) {
this.editing.enable();
}
}
});
L.Edit = L.Edit || {};
L.Edit.Circle = L.Edit.SimpleShape.extend({
_createMoveMarker: function () {
var center = this._shape.getLatLng();
this._moveMarker = this._createMarker(center, this.options.moveIcon);
},
_createResizeMarker: function () {
var center = this._shape.getLatLng(),
resizemarkerPoint = this._getResizeMarkerPoint(center);
this._resizeMarkers = [];
this._resizeMarkers.push(this._createMarker(resizemarkerPoint, this.options.resizeIcon));
},
_getResizeMarkerPoint: function (latlng) {
// From L.shape.getBounds()
var delta = this._shape._radius * Math.cos(Math.PI / 4),
point = this._map.project(latlng);
return this._map.unproject([point.x + delta, point.y - delta]);
},
_move: function (latlng) {
var resizemarkerPoint = this._getResizeMarkerPoint(latlng);
// Move the resize marker
this._resizeMarkers[0].setLatLng(resizemarkerPoint);
// Move the circle
this._shape.setLatLng(latlng);
},
_resize: function (latlng) {
var moveLatLng = this._moveMarker.getLatLng(),
radius = moveLatLng.distanceTo(latlng);
this._shape.setRadius(radius);
}
});
L.Circle.addInitHook(function () {
if (L.Edit.Circle) {
this.editing = new L.Edit.Circle(this);
if (this.options.editable) {
this.editing.enable();
}
}
this.on('add', function () {
if (this.editing && this.editing.enabled()) {
this.editing.addHooks();
}
});
this.on('remove', function () {
if (this.editing && this.editing.enabled()) {
this.editing.removeHooks();
}
});
});
/*
* L.LatLngUtil contains different utility functions for LatLngs.
*/
L.LatLngUtil = {
// Clones a LatLngs[], returns [][]
cloneLatLngs: function (latlngs) {
var clone = [];
for (var i = 0, l = latlngs.length; i < l; i++) {
clone.push(this.cloneLatLng(latlngs[i]));
}
return clone;
},
cloneLatLng: function (latlng) {
return L.latLng(latlng.lat, latlng.lng);
}
};
L.GeometryUtil = L.extend(L.GeometryUtil || {}, {
// Ported from the OpenLayers implementation. See https://github.com/openlayers/openlayers/blob/master/lib/OpenLayers/Geometry/LinearRing.js#L270
geodesicArea: function (latLngs) {
var pointsCount = latLngs.length,
area = 0.0,
d2r = L.LatLng.DEG_TO_RAD,
p1, p2;
if (pointsCount > 2) {
for (var i = 0; i < pointsCount; i++) {
p1 = latLngs[i];
p2 = latLngs[(i + 1) % pointsCount];
area += ((p2.lng - p1.lng) * d2r) *
(2 + Math.sin(p1.lat * d2r) + Math.sin(p2.lat * d2r));
}
area = area * 6378137.0 * 6378137.0 / 2.0;
}
return Math.abs(area);
},
readableArea: function (area, isMetric) {
var areaStr;
if (isMetric) {
if (area >= 10000) {
areaStr = (area * 0.0001).toFixed(2) + ' ha';
} else {
areaStr = area.toFixed(2) + ' m²';
}
} else {
area /= 0.836127; // Square yards in 1 meter
if (area >= 3097600) { //3097600 square yards in 1 square mile
areaStr = (area / 3097600).toFixed(2) + ' mi²';
} else if (area >= 4840) {//48040 square yards in 1 acre
areaStr = (area / 4840).toFixed(2) + ' acres';
} else {
areaStr = Math.ceil(area) + ' yd²';
}
}
return areaStr;
},
readableDistance: function (distance, isMetric) {
var distanceStr;
if (isMetric) {
// show metres when distance is < 1km, then show km
if (distance > 1000) {
distanceStr = (distance / 1000).toFixed(2) + ' km';
} else {
distanceStr = Math.ceil(distance) + ' m';
}
} else {
distance *= 1.09361;
if (distance > 1760) {
distanceStr = (distance / 1760).toFixed(2) + ' miles';
} else {
distanceStr = Math.ceil(distance) + ' yd';
}
}
return distanceStr;
}
});
L.Util.extend(L.LineUtil, {
// Checks to see if two line segments intersect. Does not handle degenerate cases.
// http://compgeom.cs.uiuc.edu/~jeffe/teaching/373/notes/x06-sweepline.pdf
segmentsIntersect: function (/*Point*/ p, /*Point*/ p1, /*Point*/ p2, /*Point*/ p3) {
return this._checkCounterclockwise(p, p2, p3) !==
this._checkCounterclockwise(p1, p2, p3) &&
this._checkCounterclockwise(p, p1, p2) !==
this._checkCounterclockwise(p, p1, p3);
},
// check to see if points are in counterclockwise order
_checkCounterclockwise: function (/*Point*/ p, /*Point*/ p1, /*Point*/ p2) {
return (p2.y - p.y) * (p1.x - p.x) > (p1.y - p.y) * (p2.x - p.x);
}
});
L.Polyline.include({
// Check to see if this polyline has any linesegments that intersect.
// NOTE: does not support detecting intersection for degenerate cases.
intersects: function () {
var points = this._originalPoints,
len = points ? points.length : 0,
i, p, p1;
if (this._tooFewPointsForIntersection()) {
return false;
}
for (i = len - 1; i >= 3; i--) {
p = points[i - 1];
p1 = points[i];
if (this._lineSegmentsIntersectsRange(p, p1, i - 2)) {
return true;
}
}
return false;
},
// Check for intersection if new latlng was added to this polyline.
// NOTE: does not support detecting intersection for degenerate cases.
newLatLngIntersects: function (latlng, skipFirst) {
// Cannot check a polyline for intersecting lats/lngs when not added to the map
if (!this._map) {
return false;
}
return this.newPointIntersects(this._map.latLngToLayerPoint(latlng), skipFirst);
},
// Check for intersection if new point was added to this polyline.
// newPoint must be a layer point.
// NOTE: does not support detecting intersection for degenerate cases.
newPointIntersects: function (newPoint, skipFirst) {
var points = this._originalPoints,
len = points ? points.length : 0,
lastPoint = points ? points[len - 1] : null,
// The previous previous line segment. Previous line segment doesn't need testing.
maxIndex = len - 2;
if (this._tooFewPointsForIntersection(1)) {
return false;
}
return this._lineSegmentsIntersectsRange(lastPoint, newPoint, maxIndex, skipFirst ? 1 : 0);
},
// Polylines with 2 sides can only intersect in cases where points are collinear (we don't support detecting these).
// Cannot have intersection when < 3 line segments (< 4 points)
_tooFewPointsForIntersection: function (extraPoints) {
var points = this._originalPoints,
len = points ? points.length : 0;
// Increment length by extraPoints if present
len += extraPoints || 0;
return !this._originalPoints || len <= 3;
},
// Checks a line segment intersections with any line segments before its predecessor.
// Don't need to check the predecessor as will never intersect.
_lineSegmentsIntersectsRange: function (p, p1, maxIndex, minIndex) {
var points = this._originalPoints,
p2, p3;
minIndex = minIndex || 0;
// Check all previous line segments (beside the immediately previous) for intersections
for (var j = maxIndex; j > minIndex; j--) {
p2 = points[j - 1];
p3 = points[j];
if (L.LineUtil.segmentsIntersect(p, p1, p2, p3)) {
return true;
}
}
return false;
}
});
L.Polygon.include({
// Checks a polygon for any intersecting line segments. Ignores holes.
intersects: function () {
var polylineIntersects,
points = this._originalPoints,
len, firstPoint, lastPoint, maxIndex;
if (this._tooFewPointsForIntersection()) {
return false;
}
polylineIntersects = L.Polyline.prototype.intersects.call(this);
// If already found an intersection don't need to check for any more.
if (polylineIntersects) {
return true;
}
len = points.length;
firstPoint = points[0];
lastPoint = points[len - 1];
maxIndex = len - 2;
// Check the line segment between last and first point. Don't need to check the first line segment (minIndex = 1)
return this._lineSegmentsIntersectsRange(lastPoint, firstPoint, maxIndex, 1);
}
});
L.Control.Draw = L.Control.extend({
options: {
position: 'topleft',
draw: {},
edit: false
},
initialize: function (options) {
if (L.version < '0.7') {
throw new Error('Leaflet.draw 0.2.3+ requires Leaflet 0.7.0+. Download latest from https://github.com/Leaflet/Leaflet/');
}
L.Control.prototype.initialize.call(this, options);
var toolbar;
this._toolbars = {};
// Initialize toolbars
if (L.DrawToolbar && this.options.draw) {
toolbar = new L.DrawToolbar(this.options.draw);
this._toolbars[L.DrawToolbar.TYPE] = toolbar;
// Listen for when toolbar is enabled
this._toolbars[L.DrawToolbar.TYPE].on('enable', this._toolbarEnabled, this);
}
if (L.EditToolbar && this.options.edit) {
toolbar = new L.EditToolbar(this.options.edit);
this._toolbars[L.EditToolbar.TYPE] = toolbar;
// Listen for when toolbar is enabled
this._toolbars[L.EditToolbar.TYPE].on('enable', this._toolbarEnabled, this);
}
},
onAdd: function (map) {
var container = L.DomUtil.create('div', 'leaflet-draw'),
addedTopClass = false,
topClassName = 'leaflet-draw-toolbar-top',
toolbarContainer;
for (var toolbarId in this._toolbars) {
if (this._toolbars.hasOwnProperty(toolbarId)) {
toolbarContainer = this._toolbars[toolbarId].addToolbar(map);
if (toolbarContainer) {
// Add class to the first toolbar to remove the margin
if (!addedTopClass) {
if (!L.DomUtil.hasClass(toolbarContainer, topClassName)) {
L.DomUtil.addClass(toolbarContainer.childNodes[0], topClassName);
}
addedTopClass = true;
}
container.appendChild(toolbarContainer);
}
}
}
return container;
},
onRemove: function () {
for (var toolbarId in this._toolbars) {
if (this._toolbars.hasOwnProperty(toolbarId)) {
this._toolbars[toolbarId].removeToolbar();
}
}
},
setDrawingOptions: function (options) {
for (var toolbarId in this._toolbars) {
if (this._toolbars[toolbarId] instanceof L.DrawToolbar) {
this._toolbars[toolbarId].setOptions(options);
}
}
},
_toolbarEnabled: function (e) {
var enabledToolbar = e.target;
for (var toolbarId in this._toolbars) {
if (this._toolbars[toolbarId] !== enabledToolbar) {
this._toolbars[toolbarId].disable();
}
}
}
});
L.Map.mergeOptions({
drawControlTooltips: true,
drawControl: false
});
L.Map.addInitHook(function () {
if (this.options.drawControl) {
this.drawControl = new L.Control.Draw();
this.addControl(this.drawControl);
}
});
L.Toolbar = L.Class.extend({
includes: [L.Mixin.Events],
initialize: function (options) {
L.setOptions(this, options);
this._modes = {};
this._actionButtons = [];
this._activeMode = null;
},
enabled: function () {
return this._activeMode !== null;
},
disable: function () {
if (!this.enabled()) { return; }
this._activeMode.handler.disable();
},
addToolbar: function (map) {
var container = L.DomUtil.create('div', 'leaflet-draw-section'),
buttonIndex = 0,
buttonClassPrefix = this._toolbarClass || '',
modeHandlers = this.getModeHandlers(map),
i;
this._toolbarContainer = L.DomUtil.create('div', 'leaflet-draw-toolbar leaflet-bar');
this._map = map;
for (i = 0; i < modeHandlers.length; i++) {
if (modeHandlers[i].enabled) {
this._initModeHandler(
modeHandlers[i].handler,
this._toolbarContainer,
buttonIndex++,
buttonClassPrefix,
modeHandlers[i].title
);
}
}
// if no buttons were added, do not add the toolbar
if (!buttonIndex) {
return;
}
// Save button index of the last button, -1 as we would have ++ after the last button
this._lastButtonIndex = --buttonIndex;
// Create empty actions part of the toolbar
this._actionsContainer = L.DomUtil.create('ul', 'leaflet-draw-actions');
// Add draw and cancel containers to the control container
container.appendChild(this._toolbarContainer);
container.appendChild(this._actionsContainer);
return container;
},
removeToolbar: function () {
// Dispose each handler
for (var handlerId in this._modes) {
if (this._modes.hasOwnProperty(handlerId)) {
// Unbind handler button
this._disposeButton(
this._modes[handlerId].button,
this._modes[handlerId].handler.enable,
this._modes[handlerId].handler
);
// Make sure is disabled
this._modes[handlerId].handler.disable();
// Unbind handler
this._modes[handlerId].handler
.off('enabled', this._handlerActivated, this)
.off('disabled', this._handlerDeactivated, this);
}
}
this._modes = {};
// Dispose the actions toolbar
for (var i = 0, l = this._actionButtons.length; i < l; i++) {
this._disposeButton(
this._actionButtons[i].button,
this._actionButtons[i].callback,
this
);
}
this._actionButtons = [];
this._actionsContainer = null;
},
_initModeHandler: function (handler, container, buttonIndex, classNamePredix, buttonTitle) {
var type = handler.type;
this._modes[type] = {};
this._modes[type].handler = handler;
this._modes[type].button = this._createButton({
title: buttonTitle,
className: classNamePredix + '-' + type,
container: container,
callback: this._modes[type].handler.enable,
context: this._modes[type].handler
});
this._modes[type].buttonIndex = buttonIndex;
this._modes[type].handler
.on('enabled', this._handlerActivated, this)
.on('disabled', this._handlerDeactivated, this);
},
_createButton: function (options) {
var link = L.DomUtil.create('a', options.className || '', options.container);
link.href = '#';
if (options.text) {
link.innerHTML = options.text;
}
if (options.title) {
link.title = options.title;
}
L.DomEvent
.on(link, 'click', L.DomEvent.stopPropagation)
.on(link, 'mousedown', L.DomEvent.stopPropagation)
.on(link, 'dblclick', L.DomEvent.stopPropagation)
.on(link, 'click', L.DomEvent.preventDefault)
.on(link, 'click', options.callback, options.context);
return link;
},
_disposeButton: function (button, callback) {
L.DomEvent
.off(button, 'click', L.DomEvent.stopPropagation)
.off(button, 'mousedown', L.DomEvent.stopPropagation)
.off(button, 'dblclick', L.DomEvent.stopPropagation)
.off(button, 'click', L.DomEvent.preventDefault)
.off(button, 'click', callback);
},
_handlerActivated: function (e) {
// Disable active mode (if present)
this.disable();
// Cache new active feature
this._activeMode = this._modes[e.handler];
L.DomUtil.addClass(this._activeMode.button, 'leaflet-draw-toolbar-button-enabled');
this._showActionsToolbar();
this.fire('enable');
},
_handlerDeactivated: function () {
this._hideActionsToolbar();
L.DomUtil.removeClass(this._activeMode.button, 'leaflet-draw-toolbar-button-enabled');
this._activeMode = null;
this.fire('disable');
},
_createActions: function (handler) {
var container = this._actionsContainer,
buttons = this.getActions(handler),
l = buttons.length,
li, di, dl, button;
// Dispose the actions toolbar (todo: dispose only not used buttons)
for (di = 0, dl = this._actionButtons.length; di < dl; di++) {
this._disposeButton(this._actionButtons[di].button, this._actionButtons[di].callback);
}
this._actionButtons = [];
// Remove all old buttons
while (container.firstChild) {
container.removeChild(container.firstChild);
}
for (var i = 0; i < l; i++) {
if ('enabled' in buttons[i] && !buttons[i].enabled) {
continue;
}
li = L.DomUtil.create('li', '', container);
button = this._createButton({
title: buttons[i].title,
text: buttons[i].text,
container: li,
callback: buttons[i].callback,
context: buttons[i].context
});
this._actionButtons.push({
button: button,
callback: buttons[i].callback
});
}
},
_showActionsToolbar: function () {
var buttonIndex = this._activeMode.buttonIndex,
lastButtonIndex = this._lastButtonIndex,
toolbarPosition = this._activeMode.button.offsetTop - 1;
// Recreate action buttons on every click
this._createActions(this._activeMode.handler);
// Correctly position the cancel button
this._actionsContainer.style.top = toolbarPosition + 'px';
if (buttonIndex === 0) {
L.DomUtil.addClass(this._toolbarContainer, 'leaflet-draw-toolbar-notop');
L.DomUtil.addClass(this._actionsContainer, 'leaflet-draw-actions-top');
}
if (buttonIndex === lastButtonIndex) {
L.DomUtil.addClass(this._toolbarContainer, 'leaflet-draw-toolbar-nobottom');
L.DomUtil.addClass(this._actionsContainer, 'leaflet-draw-actions-bottom');
}
this._actionsContainer.style.display = 'block';
},
_hideActionsToolbar: function () {
this._actionsContainer.style.display = 'none';
L.DomUtil.removeClass(this._toolbarContainer, 'leaflet-draw-toolbar-notop');
L.DomUtil.removeClass(this._toolbarContainer, 'leaflet-draw-toolbar-nobottom');
L.DomUtil.removeClass(this._actionsContainer, 'leaflet-draw-actions-top');
L.DomUtil.removeClass(this._actionsContainer, 'leaflet-draw-actions-bottom');
}
});
L.Tooltip = L.Class.extend({
initialize: function (map) {
this._map = map;
this._popupPane = map._panes.popupPane;
this._container = map.options.drawControlTooltips ? L.DomUtil.create('div', 'leaflet-draw-tooltip', this._popupPane) : null;
this._singleLineLabel = false;
},
dispose: function () {
if (this._container) {
this._popupPane.removeChild(this._container);
this._container = null;
}
},
updateContent: function (labelText) {
if (!this._container) {
return this;
}
labelText.subtext = labelText.subtext || '';
// update the vertical position (only if changed)
if (labelText.subtext.length === 0 && !this._singleLineLabel) {
L.DomUtil.addClass(this._container, 'leaflet-draw-tooltip-single');
this._singleLineLabel = true;
}
else if (labelText.subtext.length > 0 && this._singleLineLabel) {
L.DomUtil.removeClass(this._container, 'leaflet-draw-tooltip-single');
this._singleLineLabel = false;
}
this._container.innerHTML =
(labelText.subtext.length > 0 ? '' + labelText.subtext + '' + '
' : '') +
'' + labelText.text + '';
return this;
},
updatePosition: function (latlng) {
var pos = this._map.latLngToLayerPoint(latlng),
tooltipContainer = this._container;
if (this._container) {
tooltipContainer.style.visibility = 'inherit';
L.DomUtil.setPosition(tooltipContainer, pos);
}
return this;
},
showAsError: function () {
if (this._container) {
L.DomUtil.addClass(this._container, 'leaflet-error-draw-tooltip');
}
return this;
},
removeError: function () {
if (this._container) {
L.DomUtil.removeClass(this._container, 'leaflet-error-draw-tooltip');
}
return this;
}
});
L.DrawToolbar = L.Toolbar.extend({
statics: {
TYPE: 'draw'
},
options: {
polyline: {},
polygon: {},
rectangle: {},
circle: {},
marker: {}
},
initialize: function (options) {
// Ensure that the options are merged correctly since L.extend is only shallow
for (var type in this.options) {
if (this.options.hasOwnProperty(type)) {
if (options[type]) {
options[type] = L.extend({}, this.options[type], options[type]);
}
}
}
this._toolbarClass = 'leaflet-draw-draw';
L.Toolbar.prototype.initialize.call(this, options);
},
getModeHandlers: function (map) {
return [
{
enabled: this.options.polyline,
handler: new L.Draw.Polyline(map, this.options.polyline),
title: L.drawLocal.draw.toolbar.buttons.polyline
},
{
enabled: this.options.polygon,
handler: new L.Draw.Polygon(map, this.options.polygon),
title: L.drawLocal.draw.toolbar.buttons.polygon
},
{
enabled: this.options.rectangle,
handler: new L.Draw.Rectangle(map, this.options.rectangle),
title: L.drawLocal.draw.toolbar.buttons.rectangle
},
{
enabled: this.options.circle,
handler: new L.Draw.Circle(map, this.options.circle),
title: L.drawLocal.draw.toolbar.buttons.circle
},
{
enabled: this.options.marker,
handler: new L.Draw.Marker(map, this.options.marker),
title: L.drawLocal.draw.toolbar.buttons.marker
}
];
},
// Get the actions part of the toolbar
getActions: function (handler) {
return [
{
enabled: handler.deleteLastVertex,
title: L.drawLocal.draw.toolbar.undo.title,
text: L.drawLocal.draw.toolbar.undo.text,
callback: handler.deleteLastVertex,
context: handler
},
{
title: L.drawLocal.draw.toolbar.actions.title,
text: L.drawLocal.draw.toolbar.actions.text,
callback: this.disable,
context: this
}
];
},
setOptions: function (options) {
L.setOptions(this, options);
for (var type in this._modes) {
if (this._modes.hasOwnProperty(type) && options.hasOwnProperty(type)) {
this._modes[type].handler.setOptions(options[type]);
}
}
}
});
/*L.Map.mergeOptions({
editControl: true
});*/
L.EditToolbar = L.Toolbar.extend({
statics: {
TYPE: 'edit'
},
options: {
edit: {
selectedPathOptions: {
color: '#fe57a1', /* Hot pink all the things! */
opacity: 0.6,
dashArray: '10, 10',
fill: true,
fillColor: '#fe57a1',
fillOpacity: 0.1,
// Whether to user the existing layers color
maintainColor: false
}
},
remove: {},
featureGroup: null /* REQUIRED! TODO: perhaps if not set then all layers on the map are selectable? */
},
initialize: function (options) {
// Need to set this manually since null is an acceptable value here
if (options.edit) {
if (typeof options.edit.selectedPathOptions === 'undefined') {
options.edit.selectedPathOptions = this.options.edit.selectedPathOptions;
}
options.edit.selectedPathOptions = L.extend({}, this.options.edit.selectedPathOptions, options.edit.selectedPathOptions);
}
if (options.remove) {
options.remove = L.extend({}, this.options.remove, options.remove);
}
this._toolbarClass = 'leaflet-draw-edit';
L.Toolbar.prototype.initialize.call(this, options);
this._selectedFeatureCount = 0;
},
getModeHandlers: function (map) {
var featureGroup = this.options.featureGroup;
return [
{
enabled: this.options.edit,
handler: new L.EditToolbar.Edit(map, {
featureGroup: featureGroup,
selectedPathOptions: this.options.edit.selectedPathOptions
}),
title: L.drawLocal.edit.toolbar.buttons.edit
},
{
enabled: this.options.remove,
handler: new L.EditToolbar.Delete(map, {
featureGroup: featureGroup
}),
title: L.drawLocal.edit.toolbar.buttons.remove
}
];
},
getActions: function () {
return [
{
title: L.drawLocal.edit.toolbar.actions.save.title,
text: L.drawLocal.edit.toolbar.actions.save.text,
callback: this._save,
context: this
},
{
title: L.drawLocal.edit.toolbar.actions.cancel.title,
text: L.drawLocal.edit.toolbar.actions.cancel.text,
callback: this.disable,
context: this
}
];
},
addToolbar: function (map) {
var container = L.Toolbar.prototype.addToolbar.call(this, map);
this._checkDisabled();
this.options.featureGroup.on('layeradd layerremove', this._checkDisabled, this);
return container;
},
removeToolbar: function () {
this.options.featureGroup.off('layeradd layerremove', this._checkDisabled, this);
L.Toolbar.prototype.removeToolbar.call(this);
},
disable: function () {
if (!this.enabled()) { return; }
this._activeMode.handler.revertLayers();
L.Toolbar.prototype.disable.call(this);
},
_save: function () {
this._activeMode.handler.save();
this._activeMode.handler.disable();
},
_checkDisabled: function () {
var featureGroup = this.options.featureGroup,
hasLayers = featureGroup.getLayers().length !== 0,
button;
if (this.options.edit) {
button = this._modes[L.EditToolbar.Edit.TYPE].button;
if (hasLayers) {
L.DomUtil.removeClass(button, 'leaflet-disabled');
} else {
L.DomUtil.addClass(button, 'leaflet-disabled');
}
button.setAttribute(
'title',
hasLayers ?
L.drawLocal.edit.toolbar.buttons.edit
: L.drawLocal.edit.toolbar.buttons.editDisabled
);
}
if (this.options.remove) {
button = this._modes[L.EditToolbar.Delete.TYPE].button;
if (hasLayers) {
L.DomUtil.removeClass(button, 'leaflet-disabled');
} else {
L.DomUtil.addClass(button, 'leaflet-disabled');
}
button.setAttribute(
'title',
hasLayers ?
L.drawLocal.edit.toolbar.buttons.remove
: L.drawLocal.edit.toolbar.buttons.removeDisabled
);
}
}
});
L.EditToolbar.Edit = L.Handler.extend({
statics: {
TYPE: 'edit'
},
includes: L.Mixin.Events,
initialize: function (map, options) {
L.Handler.prototype.initialize.call(this, map);
L.setOptions(this, options);
// Store the selectable layer group for ease of access
this._featureGroup = options.featureGroup;
if (!(this._featureGroup instanceof L.FeatureGroup)) {
throw new Error('options.featureGroup must be a L.FeatureGroup');
}
this._uneditedLayerProps = {};
// Save the type so super can fire, need to do this as cannot do this.TYPE :(
this.type = L.EditToolbar.Edit.TYPE;
},
enable: function () {
if (this._enabled || !this._hasAvailableLayers()) {
return;
}
this.fire('enabled', {handler: this.type});
//this disable other handlers
this._map.fire('draw:editstart', { handler: this.type });
//allow drawLayer to be updated before beginning edition.
L.Handler.prototype.enable.call(this);
this._featureGroup
.on('layeradd', this._enableLayerEdit, this)
.on('layerremove', this._disableLayerEdit, this);
},
disable: function () {
if (!this._enabled) { return; }
this._featureGroup
.off('layeradd', this._enableLayerEdit, this)
.off('layerremove', this._disableLayerEdit, this);
L.Handler.prototype.disable.call(this);
this._map.fire('draw:editstop', { handler: this.type });
this.fire('disabled', {handler: this.type});
},
addHooks: function () {
var map = this._map;
if (map) {
map.getContainer().focus();
this._featureGroup.eachLayer(this._enableLayerEdit, this);
this._tooltip = new L.Tooltip(this._map);
this._tooltip.updateContent({
text: L.drawLocal.edit.handlers.edit.tooltip.text,
subtext: L.drawLocal.edit.handlers.edit.tooltip.subtext
});
this._map.on('mousemove', this._onMouseMove, this);
}
},
removeHooks: function () {
if (this._map) {
// Clean up selected layers.
this._featureGroup.eachLayer(this._disableLayerEdit, this);
// Clear the backups of the original layers
this._uneditedLayerProps = {};
this._tooltip.dispose();
this._tooltip = null;
this._map.off('mousemove', this._onMouseMove, this);
}
},
revertLayers: function () {
this._featureGroup.eachLayer(function (layer) {
this._revertLayer(layer);
}, this);
},
save: function () {
var editedLayers = new L.LayerGroup();
this._featureGroup.eachLayer(function (layer) {
if (layer.edited) {
editedLayers.addLayer(layer);
layer.edited = false;
}
});
this._map.fire('draw:edited', {layers: editedLayers});
},
_backupLayer: function (layer) {
var id = L.Util.stamp(layer);
if (!this._uneditedLayerProps[id]) {
// Polyline, Polygon or Rectangle
if (layer instanceof L.Polyline || layer instanceof L.Polygon || layer instanceof L.Rectangle) {
this._uneditedLayerProps[id] = {
latlngs: L.LatLngUtil.cloneLatLngs(layer.getLatLngs())
};
} else if (layer instanceof L.Circle) {
this._uneditedLayerProps[id] = {
latlng: L.LatLngUtil.cloneLatLng(layer.getLatLng()),
radius: layer.getRadius()
};
} else if (layer instanceof L.Marker) { // Marker
this._uneditedLayerProps[id] = {
latlng: L.LatLngUtil.cloneLatLng(layer.getLatLng())
};
}
}
},
_revertLayer: function (layer) {
var id = L.Util.stamp(layer);
layer.edited = false;
if (this._uneditedLayerProps.hasOwnProperty(id)) {
// Polyline, Polygon or Rectangle
if (layer instanceof L.Polyline || layer instanceof L.Polygon || layer instanceof L.Rectangle) {
layer.setLatLngs(this._uneditedLayerProps[id].latlngs);
} else if (layer instanceof L.Circle) {
layer.setLatLng(this._uneditedLayerProps[id].latlng);
layer.setRadius(this._uneditedLayerProps[id].radius);
} else if (layer instanceof L.Marker) { // Marker
layer.setLatLng(this._uneditedLayerProps[id].latlng);
}
layer.fire('revert-edited', { layer: layer });
}
},
_enableLayerEdit: function (e) {
var layer = e.layer || e.target || e,
pathOptions;
// Back up this layer (if haven't before)
this._backupLayer(layer);
// Set different style for editing mode
if (this.options.selectedPathOptions) {
pathOptions = L.Util.extend({}, this.options.selectedPathOptions);
// Use the existing color of the layer
if (pathOptions.maintainColor) {
pathOptions.color = layer.options.color;
pathOptions.fillColor = layer.options.fillColor;
}
layer.options.original = L.extend({}, layer.options);
layer.options.editing = pathOptions;
}
layer.editing.enable();
},
_disableLayerEdit: function (e) {
var layer = e.layer || e.target || e;
layer.edited = false;
layer.editing.disable();
delete layer.options.editing;
delete layer.options.original;
},
_onMouseMove: function (e) {
this._tooltip.updatePosition(e.latlng);
},
_hasAvailableLayers: function () {
return this._featureGroup.getLayers().length !== 0;
}
});
L.EditToolbar.Delete = L.Handler.extend({
statics: {
TYPE: 'remove' // not delete as delete is reserved in js
},
includes: L.Mixin.Events,
initialize: function (map, options) {
L.Handler.prototype.initialize.call(this, map);
L.Util.setOptions(this, options);
// Store the selectable layer group for ease of access
this._deletableLayers = this.options.featureGroup;
if (!(this._deletableLayers instanceof L.FeatureGroup)) {
throw new Error('options.featureGroup must be a L.FeatureGroup');
}
// Save the type so super can fire, need to do this as cannot do this.TYPE :(
this.type = L.EditToolbar.Delete.TYPE;
},
enable: function () {
if (this._enabled || !this._hasAvailableLayers()) {
return;
}
this.fire('enabled', { handler: this.type});
this._map.fire('draw:deletestart', { handler: this.type });
L.Handler.prototype.enable.call(this);
this._deletableLayers
.on('layeradd', this._enableLayerDelete, this)
.on('layerremove', this._disableLayerDelete, this);
},
disable: function () {
if (!this._enabled) { return; }
this._deletableLayers
.off('layeradd', this._enableLayerDelete, this)
.off('layerremove', this._disableLayerDelete, this);
L.Handler.prototype.disable.call(this);
this._map.fire('draw:deletestop', { handler: this.type });
this.fire('disabled', { handler: this.type});
},
addHooks: function () {
var map = this._map;
if (map) {
map.getContainer().focus();
this._deletableLayers.eachLayer(this._enableLayerDelete, this);
this._deletedLayers = new L.LayerGroup();
this._tooltip = new L.Tooltip(this._map);
this._tooltip.updateContent({ text: L.drawLocal.edit.handlers.remove.tooltip.text });
this._map.on('mousemove', this._onMouseMove, this);
}
},
removeHooks: function () {
if (this._map) {
this._deletableLayers.eachLayer(this._disableLayerDelete, this);
this._deletedLayers = null;
this._tooltip.dispose();
this._tooltip = null;
this._map.off('mousemove', this._onMouseMove, this);
}
},
revertLayers: function () {
// Iterate of the deleted layers and add them back into the featureGroup
this._deletedLayers.eachLayer(function (layer) {
this._deletableLayers.addLayer(layer);
layer.fire('revert-deleted', { layer: layer });
}, this);
},
save: function () {
this._map.fire('draw:deleted', { layers: this._deletedLayers });
},
_enableLayerDelete: function (e) {
var layer = e.layer || e.target || e;
layer.on('click', this._removeLayer, this);
},
_disableLayerDelete: function (e) {
var layer = e.layer || e.target || e;
layer.off('click', this._removeLayer, this);
// Remove from the deleted layers so we can't accidently revert if the user presses cancel
this._deletedLayers.removeLayer(layer);
},
_removeLayer: function (e) {
var layer = e.layer || e.target || e;
this._deletableLayers.removeLayer(layer);
this._deletedLayers.addLayer(layer);
layer.fire('deleted');
},
_onMouseMove: function (e) {
this._tooltip.updatePosition(e.latlng);
},
_hasAvailableLayers: function () {
return this._deletableLayers.getLayers().length !== 0;
}
});
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