| | |
| | | 'use strict'; |
| | | 'use strict' |
| | | function init(L) { |
| | | /* |
| | | * L.MarkerClusterGroup extends L.FeatureGroup by clustering the markers contained within |
| | |
| | | }, |
| | | |
| | | initialize: function(options) { |
| | | L.Util.setOptions(this, options); |
| | | L.Util.setOptions(this, options) |
| | | if (!this.options.iconCreateFunction) { |
| | | this.options.iconCreateFunction = this._defaultIconCreateFunction; |
| | | this.options.iconCreateFunction = this._defaultIconCreateFunction |
| | | } |
| | | |
| | | this._featureGroup = L.featureGroup(); |
| | | this._featureGroup.addEventParent(this); |
| | | this._featureGroup = L.featureGroup() |
| | | this._featureGroup.addEventParent(this) |
| | | |
| | | this._nonPointGroup = L.featureGroup(); |
| | | this._nonPointGroup.addEventParent(this); |
| | | this._nonPointGroup = L.featureGroup() |
| | | this._nonPointGroup.addEventParent(this) |
| | | |
| | | this._inZoomAnimation = 0; |
| | | this._needsClustering = []; |
| | | this._needsRemoving = []; // Markers removed while we aren't on the map need to be kept track of |
| | | this._inZoomAnimation = 0 |
| | | this._needsClustering = [] |
| | | this._needsRemoving = [] // Markers removed while we aren't on the map need to be kept track of |
| | | // The bounds of the currently shown area (from _getExpandedVisibleBounds) Updated on zoom/move |
| | | this._currentShownBounds = null; |
| | | this._currentShownBounds = null |
| | | |
| | | this._queue = []; |
| | | this._queue = [] |
| | | |
| | | this._childMarkerEventHandlers = { |
| | | 'dragstart': this._childMarkerDragStart, |
| | | 'move': this._childMarkerMoved, |
| | | 'dragend': this._childMarkerDragEnd, |
| | | }; |
| | | dragstart: this._childMarkerDragStart, |
| | | move: this._childMarkerMoved, |
| | | dragend: this._childMarkerDragEnd |
| | | } |
| | | |
| | | // Hook the appropriate animation methods. |
| | | var animate = L.DomUtil.TRANSITION && this.options.animate; |
| | | L.extend(this, animate ? this._withAnimation : this._noAnimation); |
| | | var animate = L.DomUtil.TRANSITION && this.options.animate |
| | | L.extend(this, animate ? this._withAnimation : this._noAnimation) |
| | | // Remember which MarkerCluster class to instantiate (animated or not). |
| | | this._markerCluster = animate ? L.MarkerCluster : L.MarkerClusterNonAnimated; |
| | | this._markerCluster = animate ? L.MarkerCluster : L.MarkerClusterNonAnimated |
| | | }, |
| | | |
| | | addLayer: function(layer) { |
| | | |
| | | if (layer instanceof L.LayerGroup) { |
| | | return this.addLayers([layer]); |
| | | return this.addLayers([layer]) |
| | | } |
| | | |
| | | // Don't cluster non point data |
| | | if (!layer.getLatLng) { |
| | | this._nonPointGroup.addLayer(layer); |
| | | this.fire('layeradd', {layer: layer}); |
| | | return this; |
| | | this._nonPointGroup.addLayer(layer) |
| | | this.fire('layeradd', { layer: layer }) |
| | | return this |
| | | } |
| | | |
| | | if (!this._map) { |
| | | this._needsClustering.push(layer); |
| | | this.fire('layeradd', {layer: layer}); |
| | | return this; |
| | | this._needsClustering.push(layer) |
| | | this.fire('layeradd', { layer: layer }) |
| | | return this |
| | | } |
| | | |
| | | if (this.hasLayer(layer)) { |
| | | return this; |
| | | return this |
| | | } |
| | | |
| | | |
| | | // If we have already clustered we'll need to add this one to a cluster |
| | | |
| | | if (this._unspiderfy) { |
| | | this._unspiderfy(); |
| | | this._unspiderfy() |
| | | } |
| | | |
| | | this._addLayer(layer, this._maxZoom); |
| | | this.fire('layeradd', {layer: layer}); |
| | | this._addLayer(layer, this._maxZoom) |
| | | this.fire('layeradd', { layer: layer }) |
| | | |
| | | // Refresh bounds and weighted positions. |
| | | this._topClusterLevel._recalculateBounds(); |
| | | this._topClusterLevel._recalculateBounds() |
| | | |
| | | this._refreshClustersIcons(); |
| | | this._refreshClustersIcons() |
| | | |
| | | // Work out what is visible |
| | | var visibleLayer = layer, |
| | | currentZoom = this._zoom; |
| | | var visibleLayer = layer |
| | | var currentZoom = this._zoom |
| | | if (layer.__parent) { |
| | | while (visibleLayer.__parent._zoom >= currentZoom) { |
| | | visibleLayer = visibleLayer.__parent; |
| | | visibleLayer = visibleLayer.__parent |
| | | } |
| | | } |
| | | |
| | | if (this._currentShownBounds.contains(visibleLayer.getLatLng())) { |
| | | if (this.options.animateAddingMarkers) { |
| | | this._animationAddLayer(layer, visibleLayer); |
| | | this._animationAddLayer(layer, visibleLayer) |
| | | } else { |
| | | this._animationAddLayerNonAnimated(layer, visibleLayer); |
| | | this._animationAddLayerNonAnimated(layer, visibleLayer) |
| | | } |
| | | } |
| | | return this; |
| | | return this |
| | | }, |
| | | |
| | | removeLayer: function(layer) { |
| | | |
| | | if (layer instanceof L.LayerGroup) { |
| | | return this.removeLayers([layer]); |
| | | return this.removeLayers([layer]) |
| | | } |
| | | |
| | | // Non point layers |
| | | if (!layer.getLatLng) { |
| | | this._nonPointGroup.removeLayer(layer); |
| | | this.fire('layerremove', {layer: layer}); |
| | | return this; |
| | | this._nonPointGroup.removeLayer(layer) |
| | | this.fire('layerremove', { layer: layer }) |
| | | return this |
| | | } |
| | | |
| | | if (!this._map) { |
| | | if (!this._arraySplice(this._needsClustering, layer) && this.hasLayer(layer)) { |
| | | this._needsRemoving.push({layer: layer, latlng: layer._latlng}); |
| | | this._needsRemoving.push({ layer: layer, latlng: layer._latlng }) |
| | | } |
| | | this.fire('layerremove', {layer: layer}); |
| | | return this; |
| | | this.fire('layerremove', { layer: layer }) |
| | | return this |
| | | } |
| | | |
| | | if (!layer.__parent) { |
| | | return this; |
| | | return this |
| | | } |
| | | |
| | | if (this._unspiderfy) { |
| | | this._unspiderfy(); |
| | | this._unspiderfyLayer(layer); |
| | | this._unspiderfy() |
| | | this._unspiderfyLayer(layer) |
| | | } |
| | | |
| | | // Remove the marker from clusters |
| | | this._removeLayer(layer, true); |
| | | this.fire('layerremove', {layer: layer}); |
| | | this._removeLayer(layer, true) |
| | | this.fire('layerremove', { layer: layer }) |
| | | |
| | | // Refresh bounds and weighted positions. |
| | | this._topClusterLevel._recalculateBounds(); |
| | | this._topClusterLevel._recalculateBounds() |
| | | |
| | | this._refreshClustersIcons(); |
| | | this._refreshClustersIcons() |
| | | |
| | | layer.off(this._childMarkerEventHandlers, this); |
| | | layer.off(this._childMarkerEventHandlers, this) |
| | | |
| | | if (this._featureGroup.hasLayer(layer)) { |
| | | this._featureGroup.removeLayer(layer); |
| | | this._featureGroup.removeLayer(layer) |
| | | if (layer.clusterShow) { |
| | | layer.clusterShow(); |
| | | layer.clusterShow() |
| | | } |
| | | } |
| | | |
| | | return this; |
| | | return this |
| | | }, |
| | | |
| | | // Takes an array of markers and adds them in bulk |
| | | addLayers: function(layersArray, skipLayerAddEvent) { |
| | | if (!L.Util.isArray(layersArray)) { |
| | | return this.addLayer(layersArray); |
| | | return this.addLayer(layersArray) |
| | | } |
| | | |
| | | var fg = this._featureGroup, |
| | | npg = this._nonPointGroup, |
| | | chunked = this.options.chunkedLoading, |
| | | chunkInterval = this.options.chunkInterval, |
| | | chunkProgress = this.options.chunkProgress, |
| | | l = layersArray.length, |
| | | offset = 0, |
| | | originalArray = true, |
| | | m; |
| | | var fg = this._featureGroup |
| | | var npg = this._nonPointGroup |
| | | var chunked = this.options.chunkedLoading |
| | | var chunkInterval = this.options.chunkInterval |
| | | var chunkProgress = this.options.chunkProgress |
| | | var l = layersArray.length |
| | | var offset = 0 |
| | | var originalArray = true |
| | | var m |
| | | |
| | | if (this._map) { |
| | | var started = (new Date()).getTime(); |
| | | var started = (new Date()).getTime() |
| | | var process = L.bind(function() { |
| | | var start = (new Date()).getTime(); |
| | | var start = (new Date()).getTime() |
| | | for (; offset < l; offset++) { |
| | | if (chunked && offset % 200 === 0) { |
| | | // every couple hundred markers, instrument the time elapsed since processing started: |
| | | var elapsed = (new Date()).getTime() - start; |
| | | var elapsed = (new Date()).getTime() - start |
| | | if (elapsed > chunkInterval) { |
| | | break; // been working too hard, time to take a break :-) |
| | | break // been working too hard, time to take a break :-) |
| | | } |
| | | } |
| | | |
| | | m = layersArray[offset]; |
| | | m = layersArray[offset] |
| | | |
| | | // Group of layers, append children to layersArray and skip. |
| | | // Side effects: |
| | |
| | | // http:// jsperf.com/for-loop-changing-length/6 |
| | | if (m instanceof L.LayerGroup) { |
| | | if (originalArray) { |
| | | layersArray = layersArray.slice(); |
| | | originalArray = false; |
| | | layersArray = layersArray.slice() |
| | | originalArray = false |
| | | } |
| | | this._extractNonGroupLayers(m, layersArray); |
| | | l = layersArray.length; |
| | | continue; |
| | | this._extractNonGroupLayers(m, layersArray) |
| | | l = layersArray.length |
| | | continue |
| | | } |
| | | |
| | | // Not point data, can't be clustered |
| | | if (!m.getLatLng) { |
| | | npg.addLayer(m); |
| | | npg.addLayer(m) |
| | | if (!skipLayerAddEvent) { |
| | | this.fire('layeradd', {layer: m}); |
| | | this.fire('layeradd', { layer: m }) |
| | | } |
| | | continue; |
| | | continue |
| | | } |
| | | |
| | | if (this.hasLayer(m)) { |
| | | continue; |
| | | continue |
| | | } |
| | | |
| | | this._addLayer(m, this._maxZoom); |
| | | this._addLayer(m, this._maxZoom) |
| | | if (!skipLayerAddEvent) { |
| | | this.fire('layeradd', {layer: m}); |
| | | this.fire('layeradd', { layer: m }) |
| | | } |
| | | |
| | | // If we just made a cluster of size 2 then we need to remove the other marker from the map (if it is) or we never will |
| | | if (m.__parent) { |
| | | if (m.__parent.getChildCount() === 2) { |
| | | var markers = m.__parent.getAllChildMarkers(), |
| | | otherMarker = markers[0] === m ? markers[1] : markers[0]; |
| | | fg.removeLayer(otherMarker); |
| | | var markers = m.__parent.getAllChildMarkers() |
| | | var otherMarker = markers[0] === m ? markers[1] : markers[0] |
| | | fg.removeLayer(otherMarker) |
| | | } |
| | | } |
| | | } |
| | | |
| | | if (chunkProgress) { |
| | | // report progress and time elapsed: |
| | | chunkProgress(offset, l, (new Date()).getTime() - started); |
| | | chunkProgress(offset, l, (new Date()).getTime() - started) |
| | | } |
| | | |
| | | // Completed processing all markers. |
| | | if (offset === l) { |
| | | |
| | | // Refresh bounds and weighted positions. |
| | | this._topClusterLevel._recalculateBounds(); |
| | | this._topClusterLevel._recalculateBounds() |
| | | |
| | | this._refreshClustersIcons(); |
| | | this._refreshClustersIcons() |
| | | |
| | | this._topClusterLevel._recursivelyAddChildrenToMap(null, this._zoom, this._currentShownBounds); |
| | | this._topClusterLevel._recursivelyAddChildrenToMap(null, this._zoom, this._currentShownBounds) |
| | | } else { |
| | | setTimeout(process, this.options.chunkDelay); |
| | | setTimeout(process, this.options.chunkDelay) |
| | | } |
| | | }, this); |
| | | }, this) |
| | | |
| | | process(); |
| | | process() |
| | | } else { |
| | | var needsClustering = this._needsClustering; |
| | | var needsClustering = this._needsClustering |
| | | |
| | | for (; offset < l; offset++) { |
| | | m = layersArray[offset]; |
| | | m = layersArray[offset] |
| | | |
| | | // Group of layers, append children to layersArray and skip. |
| | | if (m instanceof L.LayerGroup) { |
| | | if (originalArray) { |
| | | layersArray = layersArray.slice(); |
| | | originalArray = false; |
| | | layersArray = layersArray.slice() |
| | | originalArray = false |
| | | } |
| | | this._extractNonGroupLayers(m, layersArray); |
| | | l = layersArray.length; |
| | | continue; |
| | | this._extractNonGroupLayers(m, layersArray) |
| | | l = layersArray.length |
| | | continue |
| | | } |
| | | |
| | | // Not point data, can't be clustered |
| | | if (!m.getLatLng) { |
| | | npg.addLayer(m); |
| | | continue; |
| | | npg.addLayer(m) |
| | | continue |
| | | } |
| | | |
| | | if (this.hasLayer(m)) { |
| | | continue; |
| | | continue |
| | | } |
| | | |
| | | needsClustering.push(m); |
| | | needsClustering.push(m) |
| | | } |
| | | } |
| | | return this; |
| | | return this |
| | | }, |
| | | |
| | | // Takes an array of markers and removes them in bulk |
| | | removeLayers: function(layersArray) { |
| | | var i, m, |
| | | l = layersArray.length, |
| | | fg = this._featureGroup, |
| | | npg = this._nonPointGroup, |
| | | originalArray = true; |
| | | var i; var m |
| | | var l = layersArray.length |
| | | var fg = this._featureGroup |
| | | var npg = this._nonPointGroup |
| | | var originalArray = true |
| | | |
| | | if (!this._map) { |
| | | for (i = 0; i < l; i++) { |
| | | m = layersArray[i]; |
| | | m = layersArray[i] |
| | | |
| | | // Group of layers, append children to layersArray and skip. |
| | | if (m instanceof L.LayerGroup) { |
| | | if (originalArray) { |
| | | layersArray = layersArray.slice(); |
| | | originalArray = false; |
| | | layersArray = layersArray.slice() |
| | | originalArray = false |
| | | } |
| | | this._extractNonGroupLayers(m, layersArray); |
| | | l = layersArray.length; |
| | | continue; |
| | | this._extractNonGroupLayers(m, layersArray) |
| | | l = layersArray.length |
| | | continue |
| | | } |
| | | |
| | | this._arraySplice(this._needsClustering, m); |
| | | npg.removeLayer(m); |
| | | this._arraySplice(this._needsClustering, m) |
| | | npg.removeLayer(m) |
| | | if (this.hasLayer(m)) { |
| | | this._needsRemoving.push({layer: m, latlng: m._latlng}); |
| | | this._needsRemoving.push({ layer: m, latlng: m._latlng }) |
| | | } |
| | | this.fire('layerremove', {layer: m}); |
| | | this.fire('layerremove', { layer: m }) |
| | | } |
| | | return this; |
| | | return this |
| | | } |
| | | |
| | | if (this._unspiderfy) { |
| | | this._unspiderfy(); |
| | | this._unspiderfy() |
| | | |
| | | // Work on a copy of the array, so that next loop is not affected. |
| | | var layersArray2 = layersArray.slice(), |
| | | l2 = l; |
| | | var layersArray2 = layersArray.slice() |
| | | var l2 = l |
| | | for (i = 0; i < l2; i++) { |
| | | m = layersArray2[i]; |
| | | m = layersArray2[i] |
| | | |
| | | // Group of layers, append children to layersArray and skip. |
| | | if (m instanceof L.LayerGroup) { |
| | | this._extractNonGroupLayers(m, layersArray2); |
| | | l2 = layersArray2.length; |
| | | continue; |
| | | this._extractNonGroupLayers(m, layersArray2) |
| | | l2 = layersArray2.length |
| | | continue |
| | | } |
| | | |
| | | this._unspiderfyLayer(m); |
| | | this._unspiderfyLayer(m) |
| | | } |
| | | } |
| | | |
| | | for (i = 0; i < l; i++) { |
| | | m = layersArray[i]; |
| | | m = layersArray[i] |
| | | |
| | | // Group of layers, append children to layersArray and skip. |
| | | if (m instanceof L.LayerGroup) { |
| | | if (originalArray) { |
| | | layersArray = layersArray.slice(); |
| | | originalArray = false; |
| | | layersArray = layersArray.slice() |
| | | originalArray = false |
| | | } |
| | | this._extractNonGroupLayers(m, layersArray); |
| | | l = layersArray.length; |
| | | continue; |
| | | this._extractNonGroupLayers(m, layersArray) |
| | | l = layersArray.length |
| | | continue |
| | | } |
| | | |
| | | if (!m.__parent) { |
| | | npg.removeLayer(m); |
| | | this.fire('layerremove', {layer: m}); |
| | | continue; |
| | | npg.removeLayer(m) |
| | | this.fire('layerremove', { layer: m }) |
| | | continue |
| | | } |
| | | |
| | | this._removeLayer(m, true, true); |
| | | this.fire('layerremove', {layer: m}); |
| | | this._removeLayer(m, true, true) |
| | | this.fire('layerremove', { layer: m }) |
| | | |
| | | if (fg.hasLayer(m)) { |
| | | fg.removeLayer(m); |
| | | fg.removeLayer(m) |
| | | if (m.clusterShow) { |
| | | m.clusterShow(); |
| | | m.clusterShow() |
| | | } |
| | | } |
| | | } |
| | | |
| | | // Refresh bounds and weighted positions. |
| | | this._topClusterLevel._recalculateBounds(); |
| | | this._topClusterLevel._recalculateBounds() |
| | | |
| | | this._refreshClustersIcons(); |
| | | this._refreshClustersIcons() |
| | | |
| | | // Fix up the clusters and markers on the map |
| | | this._topClusterLevel._recursivelyAddChildrenToMap(null, this._zoom, this._currentShownBounds); |
| | | this._topClusterLevel._recursivelyAddChildrenToMap(null, this._zoom, this._currentShownBounds) |
| | | |
| | | return this; |
| | | return this |
| | | }, |
| | | |
| | | // Removes all layers from the MarkerClusterGroup |
| | |
| | | |
| | | // If we aren't on the map (yet), blow away the markers we know of |
| | | if (!this._map) { |
| | | this._needsClustering = []; |
| | | this._needsRemoving = []; |
| | | delete this._gridClusters; |
| | | delete this._gridUnclustered; |
| | | this._needsClustering = [] |
| | | this._needsRemoving = [] |
| | | delete this._gridClusters |
| | | delete this._gridUnclustered |
| | | } |
| | | |
| | | if (this._noanimationUnspiderfy) { |
| | | this._noanimationUnspiderfy(); |
| | | this._noanimationUnspiderfy() |
| | | } |
| | | |
| | | // Remove all the visible layers |
| | | this._featureGroup.clearLayers(); |
| | | this._nonPointGroup.clearLayers(); |
| | | this._featureGroup.clearLayers() |
| | | this._nonPointGroup.clearLayers() |
| | | |
| | | this.eachLayer(function(marker) { |
| | | marker.off(this._childMarkerEventHandlers, this); |
| | | delete marker.__parent; |
| | | }, this); |
| | | marker.off(this._childMarkerEventHandlers, this) |
| | | delete marker.__parent |
| | | }, this) |
| | | |
| | | if (this._map) { |
| | | // Reset _topClusterLevel and the DistanceGrids |
| | | this._generateInitialClusters(); |
| | | this._generateInitialClusters() |
| | | } |
| | | |
| | | return this; |
| | | return this |
| | | }, |
| | | |
| | | // Override FeatureGroup.getBounds as it doesn't work |
| | | getBounds: function() { |
| | | var bounds = new L.LatLngBounds(); |
| | | var bounds = new L.LatLngBounds() |
| | | |
| | | if (this._topClusterLevel) { |
| | | bounds.extend(this._topClusterLevel._bounds); |
| | | bounds.extend(this._topClusterLevel._bounds) |
| | | } |
| | | |
| | | for (var i = this._needsClustering.length - 1; i >= 0; i--) { |
| | | bounds.extend(this._needsClustering[i].getLatLng()); |
| | | bounds.extend(this._needsClustering[i].getLatLng()) |
| | | } |
| | | |
| | | bounds.extend(this._nonPointGroup.getBounds()); |
| | | bounds.extend(this._nonPointGroup.getBounds()) |
| | | |
| | | return bounds; |
| | | return bounds |
| | | }, |
| | | |
| | | // Overrides LayerGroup.eachLayer |
| | | eachLayer: function(method, context) { |
| | | var markers = this._needsClustering.slice(), |
| | | needsRemoving = this._needsRemoving, |
| | | thisNeedsRemoving, i, j; |
| | | var markers = this._needsClustering.slice() |
| | | var needsRemoving = this._needsRemoving |
| | | var thisNeedsRemoving; var i; var j |
| | | |
| | | if (this._topClusterLevel) { |
| | | this._topClusterLevel.getAllChildMarkers(markers); |
| | | this._topClusterLevel.getAllChildMarkers(markers) |
| | | } |
| | | |
| | | for (i = markers.length - 1; i >= 0; i--) { |
| | | thisNeedsRemoving = true; |
| | | thisNeedsRemoving = true |
| | | |
| | | for (j = needsRemoving.length - 1; j >= 0; j--) { |
| | | if (needsRemoving[j].layer === markers[i]) { |
| | | thisNeedsRemoving = false; |
| | | break; |
| | | thisNeedsRemoving = false |
| | | break |
| | | } |
| | | } |
| | | |
| | | if (thisNeedsRemoving) { |
| | | method.call(context, markers[i]); |
| | | method.call(context, markers[i]) |
| | | } |
| | | } |
| | | |
| | | this._nonPointGroup.eachLayer(method, context); |
| | | this._nonPointGroup.eachLayer(method, context) |
| | | }, |
| | | |
| | | // Overrides LayerGroup.getLayers |
| | | getLayers: function() { |
| | | var layers = []; |
| | | var layers = [] |
| | | this.eachLayer(function(l) { |
| | | layers.push(l); |
| | | }); |
| | | return layers; |
| | | layers.push(l) |
| | | }) |
| | | return layers |
| | | }, |
| | | |
| | | // Overrides LayerGroup.getLayer, WARNING: Really bad performance |
| | | getLayer: function(id) { |
| | | var result = null; |
| | | var result = null |
| | | |
| | | id = parseInt(id, 10); |
| | | id = parseInt(id, 10) |
| | | |
| | | this.eachLayer(function(l) { |
| | | if (L.stamp(l) === id) { |
| | | result = l; |
| | | result = l |
| | | } |
| | | }); |
| | | }) |
| | | |
| | | return result; |
| | | return result |
| | | }, |
| | | |
| | | // Returns true if the given layer is in this MarkerClusterGroup |
| | | hasLayer: function(layer) { |
| | | if (!layer) { |
| | | return false; |
| | | return false |
| | | } |
| | | |
| | | var i, anArray = this._needsClustering; |
| | | var i; var anArray = this._needsClustering |
| | | |
| | | for (i = anArray.length - 1; i >= 0; i--) { |
| | | if (anArray[i] === layer) { |
| | | return true; |
| | | return true |
| | | } |
| | | } |
| | | |
| | | anArray = this._needsRemoving; |
| | | anArray = this._needsRemoving |
| | | for (i = anArray.length - 1; i >= 0; i--) { |
| | | if (anArray[i].layer === layer) { |
| | | return false; |
| | | return false |
| | | } |
| | | } |
| | | |
| | | return !!(layer.__parent && layer.__parent._group === this) || this._nonPointGroup.hasLayer(layer); |
| | | return !!(layer.__parent && layer.__parent._group === this) || this._nonPointGroup.hasLayer(layer) |
| | | }, |
| | | |
| | | // Zoom down to show the given layer (spiderfying if necessary) then calls the callback |
| | | zoomToShowLayer: function(layer, callback) { |
| | | |
| | | if (typeof callback !== 'function') { |
| | | callback = function() { |
| | | }; |
| | | } |
| | | } |
| | | |
| | | var showMarker = function() { |
| | | if ((layer._icon || layer.__parent._icon) && !this._inZoomAnimation) { |
| | | this._map.off('moveend', showMarker, this); |
| | | this.off('animationend', showMarker, this); |
| | | this._map.off('moveend', showMarker, this) |
| | | this.off('animationend', showMarker, this) |
| | | |
| | | if (layer._icon) { |
| | | callback(); |
| | | callback() |
| | | } else if (layer.__parent._icon) { |
| | | this.once('spiderfied', callback, this); |
| | | layer.__parent.spiderfy(); |
| | | this.once('spiderfied', callback, this) |
| | | layer.__parent.spiderfy() |
| | | } |
| | | } |
| | | }; |
| | | } |
| | | |
| | | if (layer._icon && this._map.getBounds().contains(layer.getLatLng())) { |
| | | // Layer is visible ond on screen, immediate return |
| | | callback(); |
| | | callback() |
| | | } else if (layer.__parent._zoom < Math.round(this._map._zoom)) { |
| | | // Layer should be visible at this zoom level. It must not be on screen so just pan over to it |
| | | this._map.on('moveend', showMarker, this); |
| | | this._map.panTo(layer.getLatLng()); |
| | | this._map.on('moveend', showMarker, this) |
| | | this._map.panTo(layer.getLatLng()) |
| | | } else { |
| | | this._map.on('moveend', showMarker, this); |
| | | this.on('animationend', showMarker, this); |
| | | layer.__parent.zoomToBounds(); |
| | | this._map.on('moveend', showMarker, this) |
| | | this.on('animationend', showMarker, this) |
| | | layer.__parent.zoomToBounds() |
| | | } |
| | | }, |
| | | |
| | | // Overrides FeatureGroup.onAdd |
| | | onAdd: function(map) { |
| | | this._map = map; |
| | | var i, l, layer; |
| | | this._map = map |
| | | var i, l, layer |
| | | |
| | | if (!isFinite(this._map.getMaxZoom())) { |
| | | throw "Map has no maxZoom specified"; |
| | | // eslint-disable-next-line no-throw-literal |
| | | throw 'Map has no maxZoom specified' |
| | | } |
| | | |
| | | this._featureGroup.addTo(map); |
| | | this._nonPointGroup.addTo(map); |
| | | this._featureGroup.addTo(map) |
| | | this._nonPointGroup.addTo(map) |
| | | |
| | | if (!this._gridClusters) { |
| | | this._generateInitialClusters(); |
| | | this._generateInitialClusters() |
| | | } |
| | | |
| | | this._maxLat = map.options.crs.projection.MAX_LATITUDE; |
| | | this._maxLat = map.options.crs.projection.MAX_LATITUDE |
| | | |
| | | // Restore all the positions as they are in the MCG before removing them |
| | | for (i = 0, l = this._needsRemoving.length; i < l; i++) { |
| | | layer = this._needsRemoving[i]; |
| | | layer.newlatlng = layer.layer._latlng; |
| | | layer.layer._latlng = layer.latlng; |
| | | layer = this._needsRemoving[i] |
| | | layer.newlatlng = layer.layer._latlng |
| | | layer.layer._latlng = layer.latlng |
| | | } |
| | | // Remove them, then restore their new positions |
| | | for (i = 0, l = this._needsRemoving.length; i < l; i++) { |
| | | layer = this._needsRemoving[i]; |
| | | this._removeLayer(layer.layer, true); |
| | | layer.layer._latlng = layer.newlatlng; |
| | | layer = this._needsRemoving[i] |
| | | this._removeLayer(layer.layer, true) |
| | | layer.layer._latlng = layer.newlatlng |
| | | } |
| | | this._needsRemoving = []; |
| | | this._needsRemoving = [] |
| | | |
| | | // Remember the current zoom level and bounds |
| | | this._zoom = Math.round(this._map._zoom); |
| | | this._currentShownBounds = this._getExpandedVisibleBounds(); |
| | | this._zoom = Math.round(this._map._zoom) |
| | | this._currentShownBounds = this._getExpandedVisibleBounds() |
| | | |
| | | this._map.on('zoomend', this._zoomEnd, this); |
| | | this._map.on('moveend', this._moveEnd, this); |
| | | this._map.on('zoomend', this._zoomEnd, this) |
| | | this._map.on('moveend', this._moveEnd, this) |
| | | |
| | | if (this._spiderfierOnAdd) { // TODO FIXME: Not sure how to have spiderfier add something on here nicely |
| | | this._spiderfierOnAdd(); |
| | | this._spiderfierOnAdd() |
| | | } |
| | | |
| | | this._bindEvents(); |
| | | this._bindEvents() |
| | | |
| | | // Actually add our markers to the map: |
| | | l = this._needsClustering; |
| | | this._needsClustering = []; |
| | | this.addLayers(l, true); |
| | | l = this._needsClustering |
| | | this._needsClustering = [] |
| | | this.addLayers(l, true) |
| | | }, |
| | | |
| | | // Overrides FeatureGroup.onRemove |
| | | onRemove: function(map) { |
| | | map.off('zoomend', this._zoomEnd, this); |
| | | map.off('moveend', this._moveEnd, this); |
| | | map.off('zoomend', this._zoomEnd, this) |
| | | map.off('moveend', this._moveEnd, this) |
| | | |
| | | this._unbindEvents(); |
| | | this._unbindEvents() |
| | | |
| | | // In case we are in a cluster animation |
| | | this._map._mapPane.className = this._map._mapPane.className.replace(' leaflet-cluster-anim', ''); |
| | | this._map._mapPane.className = this._map._mapPane.className.replace(' leaflet-cluster-anim', '') |
| | | |
| | | if (this._spiderfierOnRemove) { // TODO FIXME: Not sure how to have spiderfier add something on here nicely |
| | | this._spiderfierOnRemove(); |
| | | this._spiderfierOnRemove() |
| | | } |
| | | |
| | | delete this._maxLat; |
| | | delete this._maxLat |
| | | |
| | | // Clean up all the layers we added to the map |
| | | this._hideCoverage(); |
| | | this._featureGroup.remove(); |
| | | this._nonPointGroup.remove(); |
| | | this._hideCoverage() |
| | | this._featureGroup.remove() |
| | | this._nonPointGroup.remove() |
| | | |
| | | this._featureGroup.clearLayers(); |
| | | this._featureGroup.clearLayers() |
| | | |
| | | this._map = null; |
| | | this._map = null |
| | | }, |
| | | |
| | | getVisibleParent: function(marker) { |
| | | var vMarker = marker; |
| | | var vMarker = marker |
| | | while (vMarker && !vMarker._icon) { |
| | | vMarker = vMarker.__parent; |
| | | vMarker = vMarker.__parent |
| | | } |
| | | return vMarker || null; |
| | | return vMarker || null |
| | | }, |
| | | |
| | | // Remove the given object from the given array |
| | | _arraySplice: function(anArray, obj) { |
| | | for (var i = anArray.length - 1; i >= 0; i--) { |
| | | if (anArray[i] === obj) { |
| | | anArray.splice(i, 1); |
| | | return true; |
| | | anArray.splice(i, 1) |
| | | return true |
| | | } |
| | | } |
| | | }, |
| | |
| | | * @private |
| | | */ |
| | | _removeFromGridUnclustered: function(marker, z) { |
| | | var map = this._map, |
| | | gridUnclustered = this._gridUnclustered, |
| | | minZoom = Math.floor(this._map.getMinZoom()); |
| | | var map = this._map |
| | | var gridUnclustered = this._gridUnclustered |
| | | var minZoom = Math.floor(this._map.getMinZoom()) |
| | | |
| | | for (; z >= minZoom; z--) { |
| | | if (!gridUnclustered[z].removeObject(marker, map.project(marker.getLatLng(), z))) { |
| | | break; |
| | | break |
| | | } |
| | | } |
| | | }, |
| | | |
| | | _childMarkerDragStart: function(e) { |
| | | e.target.__dragStart = e.target._latlng; |
| | | e.target.__dragStart = e.target._latlng |
| | | }, |
| | | |
| | | _childMarkerMoved: function(e) { |
| | | if (!this._ignoreMove && !e.target.__dragStart) { |
| | | var isPopupOpen = e.target._popup && e.target._popup.isOpen(); |
| | | var isPopupOpen = e.target._popup && e.target._popup.isOpen() |
| | | |
| | | this._moveChild(e.target, e.oldLatLng, e.latlng); |
| | | this._moveChild(e.target, e.oldLatLng, e.latlng) |
| | | |
| | | if (isPopupOpen) { |
| | | e.target.openPopup(); |
| | | e.target.openPopup() |
| | | } |
| | | } |
| | | }, |
| | | |
| | | _moveChild: function(layer, from, to) { |
| | | layer._latlng = from; |
| | | this.removeLayer(layer); |
| | | layer._latlng = from |
| | | this.removeLayer(layer) |
| | | |
| | | layer._latlng = to; |
| | | this.addLayer(layer); |
| | | layer._latlng = to |
| | | this.addLayer(layer) |
| | | }, |
| | | |
| | | _childMarkerDragEnd: function(e) { |
| | | var dragStart = e.target.__dragStart; |
| | | delete e.target.__dragStart; |
| | | var dragStart = e.target.__dragStart |
| | | delete e.target.__dragStart |
| | | if (dragStart) { |
| | | this._moveChild(e.target, dragStart, e.target._latlng); |
| | | this._moveChild(e.target, dragStart, e.target._latlng) |
| | | } |
| | | }, |
| | | |
| | | |
| | | // Internal function for removing a marker from everything. |
| | | // dontUpdateMap: set to true if you will handle updating the map manually (for bulk functions) |
| | | _removeLayer: function(marker, removeFromDistanceGrid, dontUpdateMap) { |
| | | var gridClusters = this._gridClusters, |
| | | gridUnclustered = this._gridUnclustered, |
| | | fg = this._featureGroup, |
| | | map = this._map, |
| | | minZoom = Math.floor(this._map.getMinZoom()); |
| | | var gridClusters = this._gridClusters |
| | | var gridUnclustered = this._gridUnclustered |
| | | var fg = this._featureGroup |
| | | var map = this._map |
| | | var minZoom = Math.floor(this._map.getMinZoom()) |
| | | |
| | | // Remove the marker from distance clusters it might be in |
| | | if (removeFromDistanceGrid) { |
| | | this._removeFromGridUnclustered(marker, this._maxZoom); |
| | | this._removeFromGridUnclustered(marker, this._maxZoom) |
| | | } |
| | | |
| | | // Work our way up the clusters removing them as we go if required |
| | | var cluster = marker.__parent, |
| | | markers = cluster._markers, |
| | | otherMarker; |
| | | var cluster = marker.__parent |
| | | var markers = cluster._markers |
| | | var otherMarker |
| | | |
| | | // Remove the marker from the immediate parents marker list |
| | | this._arraySplice(markers, marker); |
| | | this._arraySplice(markers, marker) |
| | | |
| | | while (cluster) { |
| | | cluster._childCount--; |
| | | cluster._boundsNeedUpdate = true; |
| | | cluster._childCount-- |
| | | cluster._boundsNeedUpdate = true |
| | | |
| | | if (cluster._zoom < minZoom) { |
| | | // Top level, do nothing |
| | | break; |
| | | break |
| | | } else if (removeFromDistanceGrid && cluster._childCount <= 1) { // Cluster no longer required |
| | | // We need to push the other marker up to the parent |
| | | otherMarker = cluster._markers[0] === marker ? cluster._markers[1] : cluster._markers[0]; |
| | | otherMarker = cluster._markers[0] === marker ? cluster._markers[1] : cluster._markers[0] |
| | | |
| | | // Update distance grid |
| | | gridClusters[cluster._zoom].removeObject(cluster, map.project(cluster._cLatLng, cluster._zoom)); |
| | | gridUnclustered[cluster._zoom].addObject(otherMarker, map.project(otherMarker.getLatLng(), cluster._zoom)); |
| | | gridClusters[cluster._zoom].removeObject(cluster, map.project(cluster._cLatLng, cluster._zoom)) |
| | | gridUnclustered[cluster._zoom].addObject(otherMarker, map.project(otherMarker.getLatLng(), cluster._zoom)) |
| | | |
| | | // Move otherMarker up to parent |
| | | this._arraySplice(cluster.__parent._childClusters, cluster); |
| | | cluster.__parent._markers.push(otherMarker); |
| | | otherMarker.__parent = cluster.__parent; |
| | | this._arraySplice(cluster.__parent._childClusters, cluster) |
| | | cluster.__parent._markers.push(otherMarker) |
| | | otherMarker.__parent = cluster.__parent |
| | | |
| | | if (cluster._icon) { |
| | | // Cluster is currently on the map, need to put the marker on the map instead |
| | | fg.removeLayer(cluster); |
| | | fg.removeLayer(cluster) |
| | | if (!dontUpdateMap) { |
| | | fg.addLayer(otherMarker); |
| | | fg.addLayer(otherMarker) |
| | | } |
| | | } |
| | | } else { |
| | | cluster._iconNeedsUpdate = true; |
| | | cluster._iconNeedsUpdate = true |
| | | } |
| | | |
| | | cluster = cluster.__parent; |
| | | cluster = cluster.__parent |
| | | } |
| | | |
| | | delete marker.__parent; |
| | | delete marker.__parent |
| | | }, |
| | | |
| | | _isOrIsParent: function(el, oel) { |
| | | while (oel) { |
| | | if (el === oel) { |
| | | return true; |
| | | return true |
| | | } |
| | | oel = oel.parentNode; |
| | | oel = oel.parentNode |
| | | } |
| | | return false; |
| | | return false |
| | | }, |
| | | |
| | | // Override L.Evented.fire |
| | |
| | | if (data && data.layer instanceof L.MarkerCluster) { |
| | | // Prevent multiple clustermouseover/off events if the icon is made up of stacked divs (Doesn't work in ie <= 8, no relatedTarget) |
| | | if (data.originalEvent && this._isOrIsParent(data.layer._icon, data.originalEvent.relatedTarget)) { |
| | | return; |
| | | return |
| | | } |
| | | type = 'cluster' + type; |
| | | type = 'cluster' + type |
| | | } |
| | | |
| | | L.FeatureGroup.prototype.fire.call(this, type, data, propagate); |
| | | L.FeatureGroup.prototype.fire.call(this, type, data, propagate) |
| | | }, |
| | | |
| | | // Override L.Evented.listens |
| | | listens: function(type, propagate) { |
| | | return L.FeatureGroup.prototype.listens.call(this, type, propagate) || L.FeatureGroup.prototype.listens.call(this, 'cluster' + type, propagate); |
| | | return L.FeatureGroup.prototype.listens.call(this, type, propagate) || L.FeatureGroup.prototype.listens.call(this, 'cluster' + type, propagate) |
| | | }, |
| | | |
| | | // Default functionality |
| | | _defaultIconCreateFunction: function(cluster) { |
| | | var childCount = cluster.getChildCount(); |
| | | var childCount = cluster.getChildCount() |
| | | |
| | | var c = ' marker-cluster-'; |
| | | var c = ' marker-cluster-' |
| | | if (childCount < 10) { |
| | | c += 'small'; |
| | | c += 'small' |
| | | } else if (childCount < 100) { |
| | | c += 'medium'; |
| | | c += 'medium' |
| | | } else { |
| | | c += 'large'; |
| | | c += 'large' |
| | | } |
| | | |
| | | return new L.DivIcon({ |
| | | html: '<div><span>' + childCount + '</span></div>', |
| | | className: 'marker-cluster' + c, |
| | | iconSize: new L.Point(40, 40) |
| | | }); |
| | | }) |
| | | }, |
| | | |
| | | _bindEvents: function() { |
| | | var map = this._map, |
| | | spiderfyOnMaxZoom = this.options.spiderfyOnMaxZoom, |
| | | showCoverageOnHover = this.options.showCoverageOnHover, |
| | | zoomToBoundsOnClick = this.options.zoomToBoundsOnClick; |
| | | var map = this._map |
| | | var spiderfyOnMaxZoom = this.options.spiderfyOnMaxZoom |
| | | var showCoverageOnHover = this.options.showCoverageOnHover |
| | | var zoomToBoundsOnClick = this.options.zoomToBoundsOnClick |
| | | |
| | | // Zoom on cluster click or spiderfy if we are at the lowest level |
| | | if (spiderfyOnMaxZoom || zoomToBoundsOnClick) { |
| | | this.on('clusterclick', this._zoomOrSpiderfy, this); |
| | | this.on('clusterclick', this._zoomOrSpiderfy, this) |
| | | } |
| | | |
| | | // Show convex hull (boundary) polygon on mouse over |
| | | if (showCoverageOnHover) { |
| | | this.on('clustermouseover', this._showCoverage, this); |
| | | this.on('clustermouseout', this._hideCoverage, this); |
| | | map.on('zoomend', this._hideCoverage, this); |
| | | this.on('clustermouseover', this._showCoverage, this) |
| | | this.on('clustermouseout', this._hideCoverage, this) |
| | | map.on('zoomend', this._hideCoverage, this) |
| | | } |
| | | }, |
| | | |
| | | _zoomOrSpiderfy: function(e) { |
| | | var cluster = e.layer, |
| | | bottomCluster = cluster; |
| | | var cluster = e.layer |
| | | var bottomCluster = cluster |
| | | |
| | | while (bottomCluster._childClusters.length === 1) { |
| | | bottomCluster = bottomCluster._childClusters[0]; |
| | | bottomCluster = bottomCluster._childClusters[0] |
| | | } |
| | | |
| | | if (bottomCluster._zoom === this._maxZoom && |
| | | bottomCluster._childCount === cluster._childCount && |
| | | this.options.spiderfyOnMaxZoom) { |
| | | |
| | | // All child markers are contained in a single cluster from this._maxZoom to this cluster. |
| | | cluster.spiderfy(); |
| | | cluster.spiderfy() |
| | | } else if (this.options.zoomToBoundsOnClick) { |
| | | cluster.zoomToBounds(); |
| | | cluster.zoomToBounds() |
| | | } |
| | | |
| | | // Focus the map again for keyboard users. |
| | | if (e.originalEvent && e.originalEvent.keyCode === 13) { |
| | | this._map._container.focus(); |
| | | this._map._container.focus() |
| | | } |
| | | }, |
| | | |
| | | _showCoverage: function(e) { |
| | | var map = this._map; |
| | | var map = this._map |
| | | if (this._inZoomAnimation) { |
| | | return; |
| | | return |
| | | } |
| | | if (this._shownPolygon) { |
| | | map.removeLayer(this._shownPolygon); |
| | | map.removeLayer(this._shownPolygon) |
| | | } |
| | | if (e.layer.getChildCount() > 2 && e.layer !== this._spiderfied) { |
| | | this._shownPolygon = new L.Polygon(e.layer.getConvexHull(), this.options.polygonOptions); |
| | | map.addLayer(this._shownPolygon); |
| | | this._shownPolygon = new L.Polygon(e.layer.getConvexHull(), this.options.polygonOptions) |
| | | map.addLayer(this._shownPolygon) |
| | | } |
| | | }, |
| | | |
| | | _hideCoverage: function() { |
| | | if (this._shownPolygon) { |
| | | this._map.removeLayer(this._shownPolygon); |
| | | this._shownPolygon = null; |
| | | this._map.removeLayer(this._shownPolygon) |
| | | this._shownPolygon = null |
| | | } |
| | | }, |
| | | |
| | | _unbindEvents: function() { |
| | | var spiderfyOnMaxZoom = this.options.spiderfyOnMaxZoom, |
| | | showCoverageOnHover = this.options.showCoverageOnHover, |
| | | zoomToBoundsOnClick = this.options.zoomToBoundsOnClick, |
| | | map = this._map; |
| | | var spiderfyOnMaxZoom = this.options.spiderfyOnMaxZoom |
| | | var showCoverageOnHover = this.options.showCoverageOnHover |
| | | var zoomToBoundsOnClick = this.options.zoomToBoundsOnClick |
| | | var map = this._map |
| | | |
| | | if (spiderfyOnMaxZoom || zoomToBoundsOnClick) { |
| | | this.off('clusterclick', this._zoomOrSpiderfy, this); |
| | | this.off('clusterclick', this._zoomOrSpiderfy, this) |
| | | } |
| | | if (showCoverageOnHover) { |
| | | this.off('clustermouseover', this._showCoverage, this); |
| | | this.off('clustermouseout', this._hideCoverage, this); |
| | | map.off('zoomend', this._hideCoverage, this); |
| | | this.off('clustermouseover', this._showCoverage, this) |
| | | this.off('clustermouseout', this._hideCoverage, this) |
| | | map.off('zoomend', this._hideCoverage, this) |
| | | } |
| | | }, |
| | | |
| | | _zoomEnd: function() { |
| | | if (!this._map) { // May have been removed from the map by a zoomEnd handler |
| | | return; |
| | | return |
| | | } |
| | | this._mergeSplitClusters(); |
| | | this._mergeSplitClusters() |
| | | |
| | | this._zoom = Math.round(this._map._zoom); |
| | | this._currentShownBounds = this._getExpandedVisibleBounds(); |
| | | this._zoom = Math.round(this._map._zoom) |
| | | this._currentShownBounds = this._getExpandedVisibleBounds() |
| | | }, |
| | | |
| | | _moveEnd: function() { |
| | | if (this._inZoomAnimation) { |
| | | return; |
| | | return |
| | | } |
| | | |
| | | var newBounds = this._getExpandedVisibleBounds(); |
| | | var newBounds = this._getExpandedVisibleBounds() |
| | | |
| | | this._topClusterLevel._recursivelyRemoveChildrenFromMap(this._currentShownBounds, Math.floor(this._map.getMinZoom()), this._zoom, newBounds); |
| | | this._topClusterLevel._recursivelyAddChildrenToMap(null, Math.round(this._map._zoom), newBounds); |
| | | this._topClusterLevel._recursivelyRemoveChildrenFromMap(this._currentShownBounds, Math.floor(this._map.getMinZoom()), this._zoom, newBounds) |
| | | this._topClusterLevel._recursivelyAddChildrenToMap(null, Math.round(this._map._zoom), newBounds) |
| | | |
| | | this._currentShownBounds = newBounds; |
| | | return; |
| | | this._currentShownBounds = newBounds |
| | | }, |
| | | |
| | | _generateInitialClusters: function() { |
| | | var maxZoom = Math.ceil(this._map.getMaxZoom()), |
| | | minZoom = Math.floor(this._map.getMinZoom()), |
| | | radius = this.options.maxClusterRadius, |
| | | radiusFn = radius; |
| | | var maxZoom = Math.ceil(this._map.getMaxZoom()) |
| | | var minZoom = Math.floor(this._map.getMinZoom()) |
| | | var radius = this.options.maxClusterRadius |
| | | var radiusFn = radius |
| | | |
| | | // If we just set maxClusterRadius to a single number, we need to create |
| | | // a simple function to return that number. Otherwise, we just have to |
| | | // use the function we've passed in. |
| | | if (typeof radius !== "function") { |
| | | if (typeof radius !== 'function') { |
| | | radiusFn = function() { |
| | | return radius; |
| | | }; |
| | | return radius |
| | | } |
| | | } |
| | | |
| | | if (this.options.disableClusteringAtZoom !== null) { |
| | | maxZoom = this.options.disableClusteringAtZoom - 1; |
| | | maxZoom = this.options.disableClusteringAtZoom - 1 |
| | | } |
| | | this._maxZoom = maxZoom; |
| | | this._gridClusters = {}; |
| | | this._gridUnclustered = {}; |
| | | this._maxZoom = maxZoom |
| | | this._gridClusters = {} |
| | | this._gridUnclustered = {} |
| | | |
| | | // Set up DistanceGrids for each zoom |
| | | for (var zoom = maxZoom; zoom >= minZoom; zoom--) { |
| | | this._gridClusters[zoom] = new L.DistanceGrid(radiusFn(zoom)); |
| | | this._gridUnclustered[zoom] = new L.DistanceGrid(radiusFn(zoom)); |
| | | this._gridClusters[zoom] = new L.DistanceGrid(radiusFn(zoom)) |
| | | this._gridUnclustered[zoom] = new L.DistanceGrid(radiusFn(zoom)) |
| | | } |
| | | |
| | | // Instantiate the appropriate L.MarkerCluster class (animated or not). |
| | | this._topClusterLevel = new this._markerCluster(this, minZoom - 1); |
| | | this._topClusterLevel = new this._markerCluster(this, minZoom - 1) |
| | | }, |
| | | |
| | | // Zoom: Zoom to start adding at (Pass this._maxZoom to start at the bottom) |
| | | _addLayer: function(layer, zoom) { |
| | | var gridClusters = this._gridClusters, |
| | | gridUnclustered = this._gridUnclustered, |
| | | minZoom = Math.floor(this._map.getMinZoom()), |
| | | markerPoint, z; |
| | | var gridClusters = this._gridClusters |
| | | var gridUnclustered = this._gridUnclustered |
| | | var minZoom = Math.floor(this._map.getMinZoom()) |
| | | var markerPoint; var z |
| | | |
| | | if (this.options.singleMarkerMode) { |
| | | this._overrideMarkerIcon(layer); |
| | | this._overrideMarkerIcon(layer) |
| | | } |
| | | |
| | | layer.on(this._childMarkerEventHandlers, this); |
| | | layer.on(this._childMarkerEventHandlers, this) |
| | | |
| | | // Find the lowest zoom level to slot this one in |
| | | for (; zoom >= minZoom; zoom--) { |
| | | markerPoint = this._map.project(layer.getLatLng(), zoom); // calculate pixel position |
| | | markerPoint = this._map.project(layer.getLatLng(), zoom) // calculate pixel position |
| | | |
| | | // Try find a cluster close by |
| | | var closest = gridClusters[zoom].getNearObject(markerPoint); |
| | | var closest = gridClusters[zoom].getNearObject(markerPoint) |
| | | if (closest) { |
| | | closest._addChild(layer); |
| | | layer.__parent = closest; |
| | | return; |
| | | closest._addChild(layer) |
| | | layer.__parent = closest |
| | | return |
| | | } |
| | | |
| | | // Try find a marker close by to form a new cluster with |
| | | closest = gridUnclustered[zoom].getNearObject(markerPoint); |
| | | closest = gridUnclustered[zoom].getNearObject(markerPoint) |
| | | if (closest) { |
| | | var parent = closest.__parent; |
| | | var parent = closest.__parent |
| | | if (parent) { |
| | | this._removeLayer(closest, false); |
| | | this._removeLayer(closest, false) |
| | | } |
| | | |
| | | // Create new cluster with these 2 in it |
| | | |
| | | var newCluster = new this._markerCluster(this, zoom, closest, layer); |
| | | gridClusters[zoom].addObject(newCluster, this._map.project(newCluster._cLatLng, zoom)); |
| | | closest.__parent = newCluster; |
| | | layer.__parent = newCluster; |
| | | var newCluster = new this._markerCluster(this, zoom, closest, layer) |
| | | gridClusters[zoom].addObject(newCluster, this._map.project(newCluster._cLatLng, zoom)) |
| | | closest.__parent = newCluster |
| | | layer.__parent = newCluster |
| | | |
| | | // First create any new intermediate parent clusters that don't exist |
| | | var lastParent = newCluster; |
| | | var lastParent = newCluster |
| | | for (z = zoom - 1; z > parent._zoom; z--) { |
| | | lastParent = new this._markerCluster(this, z, lastParent); |
| | | gridClusters[z].addObject(lastParent, this._map.project(closest.getLatLng(), z)); |
| | | lastParent = new this._markerCluster(this, z, lastParent) |
| | | gridClusters[z].addObject(lastParent, this._map.project(closest.getLatLng(), z)) |
| | | } |
| | | parent._addChild(lastParent); |
| | | parent._addChild(lastParent) |
| | | |
| | | // Remove closest from this zoom level and any above that it is in, replace with newCluster |
| | | this._removeFromGridUnclustered(closest, zoom); |
| | | this._removeFromGridUnclustered(closest, zoom) |
| | | |
| | | return; |
| | | return |
| | | } |
| | | |
| | | // Didn't manage to cluster in at this zoom, record us as a marker here and continue upwards |
| | | gridUnclustered[zoom].addObject(layer, markerPoint); |
| | | gridUnclustered[zoom].addObject(layer, markerPoint) |
| | | } |
| | | |
| | | // Didn't get in anything, add us to the top |
| | | this._topClusterLevel._addChild(layer); |
| | | layer.__parent = this._topClusterLevel; |
| | | return; |
| | | this._topClusterLevel._addChild(layer) |
| | | layer.__parent = this._topClusterLevel |
| | | }, |
| | | |
| | | /** |
| | |
| | | _refreshClustersIcons: function() { |
| | | this._featureGroup.eachLayer(function(c) { |
| | | if (c instanceof L.MarkerCluster && c._iconNeedsUpdate) { |
| | | c._updateIcon(); |
| | | c._updateIcon() |
| | | } |
| | | }); |
| | | }) |
| | | }, |
| | | |
| | | // Enqueue code to fire after the marker expand/contract has happened |
| | | _enqueue: function(fn) { |
| | | this._queue.push(fn); |
| | | this._queue.push(fn) |
| | | if (!this._queueTimeout) { |
| | | this._queueTimeout = setTimeout(L.bind(this._processQueue, this), 300); |
| | | this._queueTimeout = setTimeout(L.bind(this._processQueue, this), 300) |
| | | } |
| | | }, |
| | | _processQueue: function() { |
| | | for (var i = 0; i < this._queue.length; i++) { |
| | | this._queue[i].call(this); |
| | | this._queue[i].call(this) |
| | | } |
| | | this._queue.length = 0; |
| | | clearTimeout(this._queueTimeout); |
| | | this._queueTimeout = null; |
| | | this._queue.length = 0 |
| | | clearTimeout(this._queueTimeout) |
| | | this._queueTimeout = null |
| | | }, |
| | | |
| | | // Merge and split any existing clusters that are too big or small |
| | | _mergeSplitClusters: function() { |
| | | var mapZoom = Math.round(this._map._zoom); |
| | | var mapZoom = Math.round(this._map._zoom) |
| | | |
| | | // In case we are starting to split before the animation finished |
| | | this._processQueue(); |
| | | this._processQueue() |
| | | |
| | | if (this._zoom < mapZoom && this._currentShownBounds.intersects(this._getExpandedVisibleBounds())) { // Zoom in, split |
| | | this._animationStart(); |
| | | this._animationStart() |
| | | // Remove clusters now off screen |
| | | this._topClusterLevel._recursivelyRemoveChildrenFromMap(this._currentShownBounds, Math.floor(this._map.getMinZoom()), this._zoom, this._getExpandedVisibleBounds()); |
| | | this._topClusterLevel._recursivelyRemoveChildrenFromMap(this._currentShownBounds, Math.floor(this._map.getMinZoom()), this._zoom, this._getExpandedVisibleBounds()) |
| | | |
| | | this._animationZoomIn(this._zoom, mapZoom); |
| | | |
| | | this._animationZoomIn(this._zoom, mapZoom) |
| | | } else if (this._zoom > mapZoom) { // Zoom out, merge |
| | | this._animationStart(); |
| | | this._animationStart() |
| | | |
| | | this._animationZoomOut(this._zoom, mapZoom); |
| | | this._animationZoomOut(this._zoom, mapZoom) |
| | | } else { |
| | | this._moveEnd(); |
| | | this._moveEnd() |
| | | } |
| | | }, |
| | | |
| | |
| | | * @private |
| | | */ |
| | | _extractNonGroupLayers: function(group, output) { |
| | | var layers = group.getLayers(), |
| | | i = 0, |
| | | layer |
| | | var layers = group.getLayers() |
| | | var i = 0 |
| | | var layer |
| | | |
| | | output = output || [] |
| | | |
| | |
| | | // Do nothing... |
| | | }, |
| | | _animationZoomIn: function(previousZoomLevel, newZoomLevel) { |
| | | this._topClusterLevel._recursivelyRemoveChildrenFromMap(this._currentShownBounds, Math.floor(this._map.getMinZoom()), previousZoomLevel); |
| | | this._topClusterLevel._recursivelyRemoveChildrenFromMap(this._currentShownBounds, Math.floor(this._map.getMinZoom()), previousZoomLevel) |
| | | this._topClusterLevel._recursivelyAddChildrenToMap(null, newZoomLevel, this._getExpandedVisibleBounds()) |
| | | |
| | | // We didn't actually animate, but we use this event to mean "clustering animations have finished" |
| | | this.fire('animationend') |
| | | }, |
| | | _animationZoomOut: function(previousZoomLevel, newZoomLevel) { |
| | | this._topClusterLevel._recursivelyRemoveChildrenFromMap(this._currentShownBounds, Math.floor(this._map.getMinZoom()), previousZoomLevel); |
| | | this._topClusterLevel._recursivelyRemoveChildrenFromMap(this._currentShownBounds, Math.floor(this._map.getMinZoom()), previousZoomLevel) |
| | | this._topClusterLevel._recursivelyAddChildrenToMap(null, newZoomLevel, this._getExpandedVisibleBounds()) |
| | | |
| | | // We didn't actually animate, but we use this event to mean "clustering animations have finished" |
| | |
| | | }, |
| | | |
| | | _animationZoomIn: function(previousZoomLevel, newZoomLevel) { |
| | | var bounds = this._getExpandedVisibleBounds(), |
| | | fg = this._featureGroup, |
| | | minZoom = Math.floor(this._map.getMinZoom()), |
| | | i |
| | | var bounds = this._getExpandedVisibleBounds() |
| | | var fg = this._featureGroup |
| | | var minZoom = Math.floor(this._map.getMinZoom()) |
| | | var i |
| | | |
| | | this._ignoreMove = true |
| | | |
| | | // Add all children of current clusters to map and remove those clusters from map |
| | | this._topClusterLevel._recursively(bounds, previousZoomLevel, minZoom, function(c) { |
| | | var startPos = c._latlng, |
| | | markers = c._markers, |
| | | m |
| | | var startPos = c._latlng |
| | | var markers = c._markers |
| | | var m |
| | | |
| | | if (!bounds.contains(startPos)) { |
| | | startPos = null |
| | |
| | | fg.removeLayer(m) |
| | | } |
| | | } |
| | | |
| | | }); |
| | | }) |
| | | |
| | | this._forceLayout() |
| | | |
| | | // Update opacities |
| | | this._topClusterLevel._recursivelyBecomeVisible(bounds, newZoomLevel); |
| | | this._topClusterLevel._recursivelyBecomeVisible(bounds, newZoomLevel) |
| | | // TODO Maybe? Update markers in _recursivelyBecomeVisible |
| | | fg.eachLayer(function(n) { |
| | | if (!(n instanceof L.MarkerCluster) && n._icon) { |
| | | n.clusterShow() |
| | | } |
| | | }); |
| | | }) |
| | | |
| | | // update the positions of the just added clusters/markers |
| | | this._topClusterLevel._recursively(bounds, previousZoomLevel, newZoomLevel, function(c) { |
| | | c._recursivelyRestoreChildPositions(newZoomLevel); |
| | | }); |
| | | c._recursivelyRestoreChildPositions(newZoomLevel) |
| | | }) |
| | | |
| | | this._ignoreMove = false; |
| | | this._ignoreMove = false |
| | | |
| | | // Remove the old clusters and close the zoom animation |
| | | this._enqueue(function() { |
| | |
| | | // Need to add markers for those that weren't on the map before but are now |
| | | this._topClusterLevel._recursivelyAddChildrenToMap(null, newZoomLevel, this._getExpandedVisibleBounds()) |
| | | // Remove markers that were on the map before but won't be now |
| | | this._topClusterLevel._recursivelyRemoveChildrenFromMap(this._currentShownBounds, Math.floor(this._map.getMinZoom()), previousZoomLevel, this._getExpandedVisibleBounds()); |
| | | this._topClusterLevel._recursivelyRemoveChildrenFromMap(this._currentShownBounds, Math.floor(this._map.getMinZoom()), previousZoomLevel, this._getExpandedVisibleBounds()) |
| | | }, |
| | | |
| | | _animationAddLayer: function(layer, newCluster) { |
| | | var me = this, |
| | | fg = this._featureGroup |
| | | var me = this |
| | | var fg = this._featureGroup |
| | | |
| | | fg.addLayer(layer) |
| | | if (newCluster !== layer) { |
| | |
| | | layer.clusterShow() |
| | | |
| | | me._animationEnd() |
| | | }); |
| | | |
| | | }) |
| | | } else { // Just became a cluster |
| | | this._forceLayout() |
| | | |
| | |
| | | |
| | | // Private methods for animated versions. |
| | | _animationZoomOutSingle: function(cluster, previousZoomLevel, newZoomLevel) { |
| | | var bounds = this._getExpandedVisibleBounds(), |
| | | minZoom = Math.floor(this._map.getMinZoom()) |
| | | var bounds = this._getExpandedVisibleBounds() |
| | | var minZoom = Math.floor(this._map.getMinZoom()) |
| | | |
| | | // Animate all of the markers in the clusters to move to their cluster center point |
| | | cluster._recursivelyAnimateChildrenInAndAddSelfToMap(bounds, minZoom, previousZoomLevel + 1, newZoomLevel) |
| | |
| | | var me = this |
| | | |
| | | // Update the opacity (If we immediately set it they won't animate) |
| | | this._forceLayout(); |
| | | this._forceLayout() |
| | | cluster._recursivelyBecomeVisible(bounds, newZoomLevel) |
| | | |
| | | // TODO: Maybe use the transition timing stuff to make this more reliable |
| | |
| | | }) |
| | | } |
| | | me._animationEnd() |
| | | }); |
| | | }) |
| | | }, |
| | | |
| | | _animationEnd: function() { |
| | | if (this._map) { |
| | | this._map._mapPane.className = this._map._mapPane.className.replace(' leaflet-cluster-anim', ''); |
| | | this._map._mapPane.className = this._map._mapPane.className.replace(' leaflet-cluster-anim', '') |
| | | } |
| | | this._inZoomAnimation-- |
| | | this.fire('animationend') |
| | |
| | | |
| | | L.Util.falseFn(document.body.offsetWidth) |
| | | } |
| | | }); |
| | | }) |
| | | |
| | | L.markerClusterGroup = function(options) { |
| | | return new L.MarkerClusterGroup(options) |
| | | }; |
| | | } |
| | | |
| | | var MarkerCluster = L.MarkerCluster = L.Marker.extend({ |
| | | options: L.Icon.prototype.options, |
| | |
| | | this._bounds = new L.LatLngBounds() |
| | | |
| | | if (a) { |
| | | this._addChild(a); |
| | | this._addChild(a) |
| | | } |
| | | if (b) { |
| | | this._addChild(b); |
| | | this._addChild(b) |
| | | } |
| | | }, |
| | | |
| | |
| | | |
| | | // Returns the count of how many child markers we have |
| | | getChildCount: function() { |
| | | return this._childCount; |
| | | return this._childCount |
| | | }, |
| | | |
| | | // Zoom to the minimum of showing all of the child markers, or the extents of this cluster |
| | | zoomToBounds: function(fitBoundsOptions) { |
| | | var childClusters = this._childClusters.slice(), |
| | | map = this._group._map, |
| | | boundsZoom = map.getBoundsZoom(this._bounds), |
| | | zoom = this._zoom + 1, |
| | | mapZoom = map.getZoom(), |
| | | i; |
| | | var childClusters = this._childClusters.slice() |
| | | var map = this._group._map |
| | | var boundsZoom = map.getBoundsZoom(this._bounds) |
| | | var zoom = this._zoom + 1 |
| | | var mapZoom = map.getZoom() |
| | | var i |
| | | |
| | | // calculate how far we need to zoom down to see all of the markers |
| | | while (childClusters.length > 0 && boundsZoom > zoom) { |
| | | zoom++; |
| | | var newClusters = []; |
| | | zoom++ |
| | | var newClusters = [] |
| | | for (i = 0; i < childClusters.length; i++) { |
| | | newClusters = newClusters.concat(childClusters[i]._childClusters); |
| | | newClusters = newClusters.concat(childClusters[i]._childClusters) |
| | | } |
| | | childClusters = newClusters; |
| | | childClusters = newClusters |
| | | } |
| | | |
| | | if (boundsZoom > zoom) { |
| | | this._group._map.setView(this._latlng, zoom); |
| | | this._group._map.setView(this._latlng, zoom) |
| | | } else if (boundsZoom <= mapZoom) { // If fitBounds wouldn't zoom us down, zoom us down instead |
| | | this._group._map.setView(this._latlng, mapZoom + 1); |
| | | this._group._map.setView(this._latlng, mapZoom + 1) |
| | | } else { |
| | | this._group._map.fitBounds(this._bounds, fitBoundsOptions) |
| | | } |
| | |
| | | // Cludge for Icon, we pretend to be an icon for performance |
| | | createIcon: function() { |
| | | if (this._iconNeedsUpdate) { |
| | | this._iconObj = this._group.options.iconCreateFunction(this); |
| | | this._iconObj = this._group.options.iconCreateFunction(this) |
| | | this._iconNeedsUpdate = false |
| | | } |
| | | return this._iconObj.createIcon() |
| | |
| | | }, |
| | | |
| | | _recalculateBounds: function() { |
| | | var markers = this._markers, |
| | | childClusters = this._childClusters, |
| | | latSum = 0, |
| | | lngSum = 0, |
| | | totalCount = this._childCount, |
| | | i, child, childLatLng, childCount |
| | | var markers = this._markers |
| | | var childClusters = this._childClusters |
| | | var latSum = 0 |
| | | var lngSum = 0 |
| | | var totalCount = this._childCount |
| | | var i; var child; var childLatLng; var childCount |
| | | |
| | | // Case where all markers are removed from the map and we are left with just an empty _topClusterLevel. |
| | | if (totalCount === 0) { |
| | |
| | | _recursivelyAnimateChildrenIn: function(bounds, center, maxZoom) { |
| | | this._recursively(bounds, this._group._map.getMinZoom(), maxZoom - 1, |
| | | function(c) { |
| | | var markers = c._markers, |
| | | i, m |
| | | var markers = c._markers |
| | | var i; var m |
| | | for (i = markers.length - 1; i >= 0; i--) { |
| | | m = markers[i] |
| | | |
| | |
| | | } |
| | | }, |
| | | function(c) { |
| | | var childClusters = c._childClusters, |
| | | j, cm |
| | | var childClusters = c._childClusters |
| | | var j; var cm |
| | | for (j = childClusters.length - 1; j >= 0; j--) { |
| | | cm = childClusters[j] |
| | | if (cm._icon) { |
| | |
| | | } |
| | | } |
| | | } |
| | | ); |
| | | ) |
| | | }, |
| | | |
| | | _recursivelyAnimateChildrenInAndAddSelfToMap: function(bounds, mapMinZoom, previousZoomLevel, newZoomLevel) { |
| | | this._recursively(bounds, newZoomLevel, mapMinZoom, |
| | | function(c) { |
| | | c._recursivelyAnimateChildrenIn(bounds, c._group._map.latLngToLayerPoint(c.getLatLng()).round(), previousZoomLevel); |
| | | c._recursivelyAnimateChildrenIn(bounds, c._group._map.latLngToLayerPoint(c.getLatLng()).round(), previousZoomLevel) |
| | | |
| | | // TODO: depthToAnimateIn affects _isSingleParent, if there is a multizoom we may/may not be. |
| | | // As a hack we only do a animation free zoom on a single level zoom, if someone does multiple levels then we always animate |
| | |
| | | if (zoomLevel - 1 === this._zoom) { |
| | | // Reposition child clusters |
| | | for (var j = this._childClusters.length - 1; j >= 0; j--) { |
| | | this._childClusters[j]._restorePosition(); |
| | | this._childClusters[j]._restorePosition() |
| | | } |
| | | } else { |
| | | for (var k = this._childClusters.length - 1; k >= 0; k--) { |
| | |
| | | // runAtEveryLevel: function that takes an L.MarkerCluster as an argument that should be applied on every level |
| | | // runAtBottomLevel: function that takes an L.MarkerCluster as an argument that should be applied at only the bottom level |
| | | _recursively: function(boundsToApplyTo, zoomLevelToStart, zoomLevelToStop, runAtEveryLevel, runAtBottomLevel) { |
| | | var childClusters = this._childClusters, |
| | | zoom = this._zoom, |
| | | i, c |
| | | var childClusters = this._childClusters |
| | | var zoom = this._zoom |
| | | var i; var c |
| | | |
| | | if (zoomLevelToStart <= zoom) { |
| | | if (runAtEveryLevel) { |
| | |
| | | // Don't need to check this._markers as the rest won't work if there are any |
| | | return this._childClusters.length > 0 && this._childClusters[0]._childCount === this._childCount |
| | | } |
| | | }); |
| | | }) |
| | | |
| | | /* |
| | | * Extends L.Marker to include two extra methods: clusterHide and clusterShow. |
| | |
| | | L.DistanceGrid.prototype = { |
| | | |
| | | addObject: function(obj, point) { |
| | | var x = this._getCoord(point.x), |
| | | y = this._getCoord(point.y), |
| | | grid = this._grid, |
| | | row = grid[y] = grid[y] || {}, |
| | | cell = row[x] = row[x] || [], |
| | | stamp = L.Util.stamp(obj) |
| | | var x = this._getCoord(point.x) |
| | | var y = this._getCoord(point.y) |
| | | var grid = this._grid |
| | | var row = grid[y] = grid[y] || {} |
| | | var cell = row[x] = row[x] || [] |
| | | var stamp = L.Util.stamp(obj) |
| | | |
| | | this._objectPoint[stamp] = point |
| | | |
| | |
| | | |
| | | // Returns true if the object was found |
| | | removeObject: function(obj, point) { |
| | | var x = this._getCoord(point.x), |
| | | y = this._getCoord(point.y), |
| | | grid = this._grid, |
| | | row = grid[y] = grid[y] || {}, |
| | | cell = row[x] = row[x] || [], |
| | | i, len; |
| | | var x = this._getCoord(point.x) |
| | | var y = this._getCoord(point.y) |
| | | var grid = this._grid |
| | | var row = grid[y] = grid[y] || {} |
| | | var cell = row[x] = row[x] || [] |
| | | var i; var len |
| | | |
| | | delete this._objectPoint[L.Util.stamp(obj)]; |
| | | delete this._objectPoint[L.Util.stamp(obj)] |
| | | |
| | | for (i = 0, len = cell.length; i < len; i++) { |
| | | if (cell[i] === obj) { |
| | |
| | | }, |
| | | |
| | | eachObject: function(fn, context) { |
| | | var i, j, k, len, row, cell, removed, |
| | | grid = this._grid |
| | | var i; var j; var k; var len; var row; var cell; var removed |
| | | var grid = this._grid |
| | | |
| | | for (i in grid) { |
| | | row = grid[i] |
| | |
| | | cell = row[j] |
| | | |
| | | for (k = 0, len = cell.length; k < len; k++) { |
| | | removed = fn.call(context, cell[k]); |
| | | removed = fn.call(context, cell[k]) |
| | | if (removed) { |
| | | k-- |
| | | len-- |
| | |
| | | }, |
| | | |
| | | getNearObject: function(point) { |
| | | var x = this._getCoord(point.x), |
| | | y = this._getCoord(point.y), |
| | | i, j, k, row, cell, len, obj, dist, |
| | | objectPoint = this._objectPoint, |
| | | closestDistSq = this._sqCellSize, |
| | | closest = null |
| | | var x = this._getCoord(point.x) |
| | | var y = this._getCoord(point.y) |
| | | var i; var j; var k; var row; var cell; var len; var obj; var dist |
| | | var objectPoint = this._objectPoint |
| | | var closestDistSq = this._sqCellSize |
| | | var closest = null |
| | | |
| | | for (i = y - 1; i <= y + 1; i++) { |
| | | row = this._grid[i] |
| | |
| | | if (cell) { |
| | | for (k = 0, len = cell.length; k < len; k++) { |
| | | obj = cell[k] |
| | | dist = this._sqDist(objectPoint[L.Util.stamp(obj)], point); |
| | | dist = this._sqDist(objectPoint[L.Util.stamp(obj)], point) |
| | | if (dist < closestDistSq || |
| | | dist <= closestDistSq && closest === null) { |
| | | closestDistSq = dist |
| | |
| | | }, |
| | | |
| | | _sqDist: function(p, p2) { |
| | | var dx = p2.x - p.x, |
| | | dy = p2.y - p.y |
| | | var dx = p2.x - p.x |
| | | var dy = p2.y - p.y |
| | | return dx * dx + dy * dy |
| | | } |
| | | }; |
| | |
| | | * @returns {Number} an approximate distance measure |
| | | */ |
| | | getDistant: function(cpt, bl) { |
| | | var vY = bl[1].lat - bl[0].lat, |
| | | vX = bl[0].lng - bl[1].lng |
| | | var vY = bl[1].lat - bl[0].lat |
| | | var vX = bl[0].lng - bl[1].lng |
| | | return (vX * (cpt.lat - bl[0].lat) + vY * (cpt.lng - bl[0].lng)) |
| | | }, |
| | | |
| | |
| | | * in consideration for the hull. |
| | | */ |
| | | findMostDistantPointFromBaseLine: function(baseLine, latLngs) { |
| | | var maxD = 0, |
| | | maxPt = null, |
| | | newPoints = [], |
| | | i, pt, d |
| | | var maxD = 0 |
| | | var maxPt = null |
| | | var newPoints = [] |
| | | var i; var pt; var d |
| | | |
| | | for (i = latLngs.length - 1; i >= 0; i--) { |
| | | pt = latLngs[i] |
| | |
| | | * @returns {Array} |
| | | */ |
| | | buildConvexHull: function(baseLine, latLngs) { |
| | | var convexHullBaseLines = [], |
| | | t = this.findMostDistantPointFromBaseLine(baseLine, latLngs); |
| | | var convexHullBaseLines = [] |
| | | var t = this.findMostDistantPointFromBaseLine(baseLine, latLngs) |
| | | |
| | | if (t.maxPoint) { // if there is still a point "outside" the base line |
| | | convexHullBaseLines = |
| | | convexHullBaseLines.concat( |
| | | this.buildConvexHull([baseLine[0], t.maxPoint], t.newPoints) |
| | | ); |
| | | ) |
| | | convexHullBaseLines = |
| | | convexHullBaseLines.concat( |
| | | this.buildConvexHull([t.maxPoint, baseLine[1]], t.newPoints) |
| | |
| | | */ |
| | | getConvexHull: function(latLngs) { |
| | | // find first baseline |
| | | var maxLat = false, minLat = false, |
| | | maxLng = false, minLng = false, |
| | | maxLatPt = null, minLatPt = null, |
| | | maxLngPt = null, minLngPt = null, |
| | | maxPt = null, minPt = null, |
| | | i |
| | | var maxLat = false; var minLat = false |
| | | var maxLng = false; var minLng = false |
| | | var maxLatPt = null; var minLatPt = null |
| | | var maxLngPt = null; var minLngPt = null |
| | | var maxPt = null; var minPt = null |
| | | var i |
| | | |
| | | for (i = latLngs.length - 1; i >= 0; i--) { |
| | | var pt = latLngs[i] |
| | |
| | | |
| | | L.MarkerCluster.include({ |
| | | getConvexHull: function() { |
| | | var childMarkers = this.getAllChildMarkers(), |
| | | points = [], |
| | | p, i |
| | | var childMarkers = this.getAllChildMarkers() |
| | | var points = [] |
| | | var p; var i |
| | | |
| | | for (i = childMarkers.length - 1; i >= 0; i--) { |
| | | p = childMarkers[i].getLatLng() |
| | | points.push(p) |
| | | } |
| | | |
| | | return L.QuickHull.getConvexHull(points); |
| | | return L.QuickHull.getConvexHull(points) |
| | | } |
| | | }) |
| | | |
| | |
| | | return |
| | | } |
| | | |
| | | var childMarkers = this.getAllChildMarkers(null, true), |
| | | group = this._group, |
| | | map = group._map, |
| | | center = map.latLngToLayerPoint(this._latlng), |
| | | positions; |
| | | var childMarkers = this.getAllChildMarkers(null, true) |
| | | var group = this._group |
| | | var map = group._map |
| | | var center = map.latLngToLayerPoint(this._latlng) |
| | | var positions |
| | | |
| | | this._group._unspiderfy(); |
| | | this._group._spiderfied = this; |
| | | this._group._unspiderfy() |
| | | this._group._spiderfied = this |
| | | |
| | | // TODO Maybe: childMarkers order by distance to center |
| | | |
| | |
| | | }, |
| | | |
| | | _generatePointsCircle: function(count, centerPt) { |
| | | var circumference = this._group.options.spiderfyDistanceMultiplier * this._circleFootSeparation * (2 + count), |
| | | legLength = circumference / this._2PI, // radius from circumference |
| | | angleStep = this._2PI / count, |
| | | res = [], |
| | | i, angle |
| | | var circumference = this._group.options.spiderfyDistanceMultiplier * this._circleFootSeparation * (2 + count) |
| | | var legLength = circumference / this._2PI // radius from circumference |
| | | var angleStep = this._2PI / count |
| | | var res = [] |
| | | var i; var angle |
| | | |
| | | legLength = Math.max(legLength, 35) // Minimum distance to get outside the cluster icon. |
| | | |
| | | res.length = count |
| | | |
| | | for (i = 0; i < count; i++) { // Clockwise, like spiral. |
| | | angle = this._circleStartAngle + i * angleStep; |
| | | res[i] = new L.Point(centerPt.x + legLength * Math.cos(angle), centerPt.y + legLength * Math.sin(angle))._round(); |
| | | angle = this._circleStartAngle + i * angleStep |
| | | res[i] = new L.Point(centerPt.x + legLength * Math.cos(angle), centerPt.y + legLength * Math.sin(angle))._round() |
| | | } |
| | | |
| | | return res |
| | | }, |
| | | |
| | | _generatePointsSpiral: function(count, centerPt) { |
| | | var spiderfyDistanceMultiplier = this._group.options.spiderfyDistanceMultiplier, |
| | | legLength = spiderfyDistanceMultiplier * this._spiralLengthStart, |
| | | separation = spiderfyDistanceMultiplier * this._spiralFootSeparation, |
| | | lengthFactor = spiderfyDistanceMultiplier * this._spiralLengthFactor * this._2PI, |
| | | angle = 0, |
| | | res = [], |
| | | i |
| | | var spiderfyDistanceMultiplier = this._group.options.spiderfyDistanceMultiplier |
| | | var legLength = spiderfyDistanceMultiplier * this._spiralLengthStart |
| | | var separation = spiderfyDistanceMultiplier * this._spiralFootSeparation |
| | | var lengthFactor = spiderfyDistanceMultiplier * this._spiralLengthFactor * this._2PI |
| | | var angle = 0 |
| | | var res = [] |
| | | var i |
| | | |
| | | res.length = count |
| | | |
| | |
| | | angle += separation / legLength + i * 0.0005 |
| | | legLength += lengthFactor / angle |
| | | } |
| | | return res; |
| | | return res |
| | | }, |
| | | |
| | | _noanimationUnspiderfy: function() { |
| | | var group = this._group, |
| | | map = group._map, |
| | | fg = group._featureGroup, |
| | | childMarkers = this.getAllChildMarkers(null, true), |
| | | m, i |
| | | var group = this._group |
| | | var map = group._map |
| | | var fg = group._featureGroup |
| | | var childMarkers = this.getAllChildMarkers(null, true) |
| | | var m; var i |
| | | |
| | | group._ignoreMove = true |
| | | |
| | |
| | | // Non Animated versions of everything |
| | | L.MarkerClusterNonAnimated = L.MarkerCluster.extend({ |
| | | _animationSpiderfy: function(childMarkers, positions) { |
| | | var group = this._group, |
| | | map = group._map, |
| | | fg = group._featureGroup, |
| | | legOptions = this._group.options.spiderLegPolylineOptions, |
| | | i, m, leg, newPos |
| | | var group = this._group |
| | | var map = group._map |
| | | var fg = group._featureGroup |
| | | var legOptions = this._group.options.spiderLegPolylineOptions |
| | | var i; var m; var leg; var newPos |
| | | |
| | | group._ignoreMove = true |
| | | |
| | |
| | | L.MarkerCluster.include({ |
| | | |
| | | _animationSpiderfy: function(childMarkers, positions) { |
| | | var me = this, |
| | | group = this._group, |
| | | map = group._map, |
| | | fg = group._featureGroup, |
| | | thisLayerLatLng = this._latlng, |
| | | thisLayerPos = map.latLngToLayerPoint(thisLayerLatLng), |
| | | svg = L.Path.SVG, |
| | | legOptions = L.extend({}, this._group.options.spiderLegPolylineOptions), // Copy the options so that we can modify them for animation. |
| | | finalLegOpacity = legOptions.opacity, |
| | | i, m, leg, legPath, legLength, newPos |
| | | var me = this |
| | | var group = this._group |
| | | var map = group._map |
| | | var fg = group._featureGroup |
| | | var thisLayerLatLng = this._latlng |
| | | var thisLayerPos = map.latLngToLayerPoint(thisLayerLatLng) |
| | | var svg = L.Path.SVG |
| | | var legOptions = L.extend({}, this._group.options.spiderLegPolylineOptions) // Copy the options so that we can modify them for animation. |
| | | var finalLegOpacity = legOptions.opacity |
| | | var i; var m; var leg; var legPath; var legLength; var newPos |
| | | |
| | | if (finalLegOpacity === undefined) { |
| | | finalLegOpacity = L.MarkerClusterGroup.prototype.options.spiderLegPolylineOptions.opacity; |
| | | finalLegOpacity = L.MarkerClusterGroup.prototype.options.spiderLegPolylineOptions.opacity |
| | | } |
| | | |
| | | if (svg) { |
| | |
| | | }, |
| | | |
| | | _animationUnspiderfy: function(zoomDetails) { |
| | | var me = this, |
| | | group = this._group, |
| | | map = group._map, |
| | | fg = group._featureGroup, |
| | | thisLayerPos = zoomDetails ? map._latLngToNewLayerPoint(this._latlng, zoomDetails.zoom, zoomDetails.center) : map.latLngToLayerPoint(this._latlng), |
| | | childMarkers = this.getAllChildMarkers(null, true), |
| | | svg = L.Path.SVG, |
| | | m, i, leg, legPath, legLength, nonAnimatable |
| | | var me = this |
| | | var group = this._group |
| | | var map = group._map |
| | | var fg = group._featureGroup |
| | | var thisLayerPos = zoomDetails ? map._latLngToNewLayerPoint(this._latlng, zoomDetails.zoom, zoomDetails.center) : map.latLngToLayerPoint(this._latlng) |
| | | var childMarkers = this.getAllChildMarkers(null, true) |
| | | var svg = L.Path.SVG |
| | | var m; var i; var leg; var legPath; var legLength; var nonAnimatable |
| | | |
| | | group._ignoreMove = true |
| | | group._animationStart() |
| | |
| | | |
| | | setTimeout(function() { |
| | | // If we have only <= one child left then that marker will be shown on the map so don't remove it! |
| | | var stillThereChildCount = 0; |
| | | var stillThereChildCount = 0 |
| | | for (i = childMarkers.length - 1; i >= 0; i--) { |
| | | m = childMarkers[i] |
| | | if (m._spiderLeg) { |
| | |
| | | _spiderfied: null, |
| | | |
| | | unspiderfy: function() { |
| | | this._unspiderfy.apply(this, arguments); |
| | | this._unspiderfy.apply(this, arguments) |
| | | }, |
| | | |
| | | _spiderfierOnAdd: function() { |
| | |
| | | this._map.on('zoomend', this._noanimationUnspiderfy, this) |
| | | |
| | | if (!L.Browser.touch) { |
| | | this._map.getRenderer(this); |
| | | this._map.getRenderer(this) |
| | | // Needs to happen in the pageload, not after, or animations don't work in webkit |
| | | // http:// stackoverflow.com/questions/8455200/svg-animate-with-dynamically-added-elements |
| | | // Disable on touch browsers as the animation messes up on a touch zoom and isn't very noticable |
| | |
| | | return |
| | | } |
| | | |
| | | this._map.on('zoomanim', this._unspiderfyZoomAnim, this); |
| | | this._map.on('zoomanim', this._unspiderfyZoomAnim, this) |
| | | }, |
| | | |
| | | _unspiderfyZoomAnim: function(zoomDetails) { |
| | |
| | | delete layer._spiderLeg |
| | | } |
| | | } |
| | | }); |
| | | }) |
| | | |
| | | /** |
| | | * Adds 1 public method to MCG and 1 to L.Marker to facilitate changing |
| | |
| | | * accordingly (case where their iconCreateFunction uses data of childMarkers |
| | | * to make up the cluster icon). |
| | | */ |
| | | |
| | | |
| | | L.MarkerClusterGroup.include({ |
| | | /** |
| | |
| | | } |
| | | } |
| | | } |
| | | }); |
| | | }) |
| | | |
| | | L.Marker.include({ |
| | | /** |
| | |
| | | |
| | | exports.MarkerClusterGroup = MarkerClusterGroup |
| | | exports.MarkerCluster = MarkerCluster |
| | | |
| | | } |
| | | |
| | | export default { |