+++ /dev/null
-// ==ClosureCompiler==
-// @compilation_level ADVANCED_OPTIMIZATIONS
-// @externs_url http://closure-compiler.googlecode.com/svn/trunk/contrib/externs/maps/google_maps_api_v3.js
-// ==/ClosureCompiler==
-
-/**
- * @name MarkerClusterer for Google Maps v3
- * @version version 1.0
- * @author Luke Mahe
- * @fileoverview
- * The library creates and manages per-zoom-level clusters for large amounts of
- * markers.
- * <br/>
- * This is a v3 implementation of the
- * <a href="http://gmaps-utility-library-dev.googlecode.com/svn/tags/markerclusterer/"
- * >v2 MarkerClusterer</a>.
- */
-
-/**
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-
-/**
- * A Marker Clusterer that clusters markers.
- *
- * @param {google.maps.Map} map The Google map to attach to.
- * @param {Array.<google.maps.Marker>} opt_markers Optional markers to add to
- * the cluster.
- * @param {Object} opt_options support the following options:
- * 'gridSize': (number) The grid size of a cluster in pixels.
- * 'maxZoom': (number) The maximum zoom level that a marker can be part of a
- * cluster.
- * 'zoomOnClick': (boolean) Whether the default behaviour of clicking on a
- * cluster is to zoom into it.
- * 'averageCenter': (boolean) Wether the center of each cluster should be
- * the average of all markers in the cluster.
- * 'styles': (object) An object that has style properties:
- * 'url': (string) The image url.
- * 'height': (number) The image height.
- * 'width': (number) The image width.
- * 'anchor': (Array) The anchor position of the label text.
- * 'textColor': (string) The text color.
- * 'textSize': (number) The text size.
- * @constructor
- * @extends google.maps.OverlayView
- */
-function MarkerClusterer(map, opt_markers, opt_options) {
- // MarkerClusterer implements google.maps.OverlayView interface. We use the
- // extend function to extend MarkerClusterer with google.maps.OverlayView
- // because it might not always be available when the code is defined so we
- // look for it at the last possible moment. If it doesn't exist now then
- // there is no point going ahead :)
- this.extend(MarkerClusterer, google.maps.OverlayView);
- this.map_ = map;
-
- /**
- * @type {Array.<google.maps.Marker>}
- * @private
- */
- this.markers_ = [];
-
- /**
- * @type {Array.<Cluster>}
- */
- this.clusters_ = [];
-
- this.sizes = [53, 56, 66, 78, 90];
-
- /**
- * @private
- */
- this.styles_ = [];
-
- /**
- * @type {boolean}
- * @private
- */
- this.ready_ = false;
-
- var options = opt_options || {};
-
- /**
- * @type {number}
- * @private
- */
- this.gridSize_ = options['gridSize'] || 60;
-
- /**
- * @type {?number}
- * @private
- */
- this.maxZoom_ = options['maxZoom'] || null;
-
- this.styles_ = options['styles'] || [];
-
- /**
- * @type {string}
- * @private
- */
- this.imagePath_ = options['imagePath'] ||
- this.MARKER_CLUSTER_IMAGE_PATH_;
-
- /**
- * @type {string}
- * @private
- */
- this.imageExtension_ = options['imageExtension'] ||
- this.MARKER_CLUSTER_IMAGE_EXTENSION_;
-
- /**
- * @type {boolean}
- * @private
- */
- this.zoomOnClick_ = true;
-
- if (options['zoomOnClick'] != undefined) {
- this.zoomOnClick_ = options['zoomOnClick'];
- }
-
- /**
- * @type {boolean}
- * @private
- */
- this.averageCenter_ = false;
-
- if (options['averageCenter'] != undefined) {
- this.averageCenter_ = options['averageCenter'];
- }
-
- this.setupStyles_();
-
- this.setMap(map);
-
- /**
- * @type {number}
- * @private
- */
- this.prevZoom_ = this.map_.getZoom();
-
- // Add the map event listeners
- var that = this;
- google.maps.event.addListener(this.map_, 'zoom_changed', function() {
- var maxZoom = that.map_.mapTypes[that.map_.getMapTypeId()].maxZoom;
- var zoom = that.map_.getZoom();
- if (zoom < 0 || zoom > maxZoom) {
- return;
- }
-
- if (that.prevZoom_ != zoom) {
- that.prevZoom_ = that.map_.getZoom();
- that.resetViewport();
- }
- });
-
- google.maps.event.addListener(this.map_, 'idle', function() {
- that.redraw();
- });
-
- // Finally, add the markers
- if (opt_markers && opt_markers.length) {
- this.addMarkers(opt_markers, false);
- }
-}
-
-
-/**
- * The marker cluster image path.
- *
- * @type {string}
- * @private
- */
-MarkerClusterer.prototype.MARKER_CLUSTER_IMAGE_PATH_ =
- 'http://google-maps-utility-library-v3.googlecode.com/svn/trunk/markerclusterer/' +
- 'images/m';
-
-
-/**
- * The marker cluster image path.
- *
- * @type {string}
- * @private
- */
-MarkerClusterer.prototype.MARKER_CLUSTER_IMAGE_EXTENSION_ = 'png';
-
-
-/**
- * Extends a objects prototype by anothers.
- *
- * @param {Object} obj1 The object to be extended.
- * @param {Object} obj2 The object to extend with.
- * @return {Object} The new extended object.
- * @ignore
- */
-MarkerClusterer.prototype.extend = function(obj1, obj2) {
- return (function(object) {
- for (property in object.prototype) {
- this.prototype[property] = object.prototype[property];
- }
- return this;
- }).apply(obj1, [obj2]);
-};
-
-
-/**
- * Implementaion of the interface method.
- * @ignore
- */
-MarkerClusterer.prototype.onAdd = function() {
- this.setReady_(true);
-};
-
-
-/**
- * Implementation of the interface.
- * @ignore
- */
-MarkerClusterer.prototype.draw = function() {};
-
-
-/**
- * Sets up the styles object.
- *
- * @private
- */
-MarkerClusterer.prototype.setupStyles_ = function() {
- if (this.styles_.length) {
- return;
- }
-
- for (var i = 0, size; size = this.sizes[i]; i++) {
- this.styles_.push({
- url: this.imagePath_ + (i + 1) + '.' + this.imageExtension_,
- height: size,
- width: size
- });
- }
-};
-
-
-/**
- * Sets the styles.
- *
- * @param {Object} styles The style to set.
- */
-MarkerClusterer.prototype.setStyles = function(styles) {
- this.styles_ = styles;
-};
-
-
-/**
- * Gets the styles.
- *
- * @return {Object} The styles object.
- */
-MarkerClusterer.prototype.getStyles = function() {
- return this.styles_;
-};
-
-
-/**
- * Whether zoom on click is set.
- *
- * @return {boolean} True if zoomOnClick_ is set.
- */
-MarkerClusterer.prototype.isZoomOnClick = function() {
- return this.zoomOnClick_;
-};
-
-/**
- * Whether average center is set.
- *
- * @return {boolean} True if averageCenter_ is set.
- */
-MarkerClusterer.prototype.isAverageCenter = function() {
- return this.averageCenter_;
-};
-
-
-/**
- * Returns the array of markers in the clusterer.
- *
- * @return {Array.<google.maps.Marker>} The markers.
- */
-MarkerClusterer.prototype.getMarkers = function() {
- return this.markers_;
-};
-
-
-/**
- * Returns the array of markers in the clusterer.
- *
- * @return {Array.<google.maps.Marker>} The number of markers.
- */
-MarkerClusterer.prototype.getTotalMarkers = function() {
- return this.markers_;
-};
-
-
-/**
- * Sets the max zoom for the clusterer.
- *
- * @param {number} maxZoom The max zoom level.
- */
-MarkerClusterer.prototype.setMaxZoom = function(maxZoom) {
- this.maxZoom_ = maxZoom;
-};
-
-
-/**
- * Gets the max zoom for the clusterer.
- *
- * @return {number} The max zoom level.
- */
-MarkerClusterer.prototype.getMaxZoom = function() {
- return this.maxZoom_ || this.map_.mapTypes[this.map_.getMapTypeId()].maxZoom;
-};
-
-
-/**
- * The function for calculating the cluster icon image.
- *
- * @param {Array.<google.maps.Marker>} markers The markers in the clusterer.
- * @param {number} numStyles The number of styles available.
- * @return {Object} A object properties: 'text' (string) and 'index' (number).
- * @private
- */
-MarkerClusterer.prototype.calculator_ = function(markers, numStyles) {
- var index = 0;
- var count = markers.length;
- var dv = count;
- while (dv !== 0) {
- dv = parseInt(dv / 10, 10);
- index++;
- }
-
- index = Math.min(index, numStyles);
- return {
- text: count,
- index: index
- };
-};
-
-
-/**
- * Set the calculator function.
- *
- * @param {function(Array, number)} calculator The function to set as the
- * calculator. The function should return a object properties:
- * 'text' (string) and 'index' (number).
- *
- */
-MarkerClusterer.prototype.setCalculator = function(calculator) {
- this.calculator_ = calculator;
-};
-
-
-/**
- * Get the calculator function.
- *
- * @return {function(Array, number)} the calculator function.
- */
-MarkerClusterer.prototype.getCalculator = function() {
- return this.calculator_;
-};
-
-
-/**
- * Add an array of markers to the clusterer.
- *
- * @param {Array.<google.maps.Marker>} markers The markers to add.
- * @param {boolean} opt_nodraw Whether to redraw the clusters.
- */
-MarkerClusterer.prototype.addMarkers = function(markers, opt_nodraw) {
- for (var i = 0, marker; marker = markers[i]; i++) {
- this.pushMarkerTo_(marker);
- }
- if (!opt_nodraw) {
- this.redraw();
- }
-};
-
-
-/**
- * Pushes a marker to the clusterer.
- *
- * @param {google.maps.Marker} marker The marker to add.
- * @private
- */
-MarkerClusterer.prototype.pushMarkerTo_ = function(marker) {
- marker.setVisible(false);
- marker.setMap(null);
- marker.isAdded = false;
- if (marker['draggable']) {
- // If the marker is draggable add a listener so we update the clusters on
- // the drag end.
- var that = this;
- google.maps.event.addListener(marker, 'dragend', function() {
- marker.isAdded = false;
- that.resetViewport();
- that.redraw();
- });
- }
- this.markers_.push(marker);
-};
-
-
-/**
- * Adds a marker to the clusterer and redraws if needed.
- *
- * @param {google.maps.Marker} marker The marker to add.
- * @param {boolean} opt_nodraw Whether to redraw the clusters.
- */
-MarkerClusterer.prototype.addMarker = function(marker, opt_nodraw) {
- this.pushMarkerTo_(marker);
- if (!opt_nodraw) {
- this.redraw();
- }
-};
-
-
-/**
- * Remove a marker from the cluster.
- *
- * @param {google.maps.Marker} marker The marker to remove.
- * @return {boolean} True if the marker was removed.
- */
-MarkerClusterer.prototype.removeMarker = function(marker) {
- var index = -1;
- if (this.markers_.indexOf) {
- index = this.markers_.indexOf(marker);
- } else {
- for (var i = 0, m; m = this.markers_[i]; i++) {
- if (m == marker) {
- index = i;
- continue;
- }
- }
- }
-
- if (index == -1) {
- // Marker is not in our list of markers.
- return false;
- }
-
- this.markers_.splice(index, 1);
- marker.setVisible(false);
- marker.setMap(null);
-
- this.resetViewport();
- this.redraw();
- return true;
-};
-
-
-/**
- * Sets the clusterer's ready state.
- *
- * @param {boolean} ready The state.
- * @private
- */
-MarkerClusterer.prototype.setReady_ = function(ready) {
- if (!this.ready_) {
- this.ready_ = ready;
- this.createClusters_();
- }
-};
-
-
-/**
- * Returns the number of clusters in the clusterer.
- *
- * @return {number} The number of clusters.
- */
-MarkerClusterer.prototype.getTotalClusters = function() {
- return this.clusters_.length;
-};
-
-
-/**
- * Returns the google map that the clusterer is associated with.
- *
- * @return {google.maps.Map} The map.
- */
-MarkerClusterer.prototype.getMap = function() {
- return this.map_;
-};
-
-
-/**
- * Sets the google map that the clusterer is associated with.
- *
- * @param {google.maps.Map} map The map.
- */
-MarkerClusterer.prototype.setMap = function(map) {
- this.map_ = map;
-};
-
-
-/**
- * Returns the size of the grid.
- *
- * @return {number} The grid size.
- */
-MarkerClusterer.prototype.getGridSize = function() {
- return this.gridSize_;
-};
-
-
-/**
- * Returns the size of the grid.
- *
- * @param {number} size The grid size.
- */
-MarkerClusterer.prototype.setGridSize = function(size) {
- this.gridSize_ = size;
-};
-
-
-/**
- * Extends a bounds object by the grid size.
- *
- * @param {google.maps.LatLngBounds} bounds The bounds to extend.
- * @return {google.maps.LatLngBounds} The extended bounds.
- */
-MarkerClusterer.prototype.getExtendedBounds = function(bounds) {
- var projection = this.getProjection();
-
- // Turn the bounds into latlng.
- var tr = new google.maps.LatLng(bounds.getNorthEast().lat(),
- bounds.getNorthEast().lng());
- var bl = new google.maps.LatLng(bounds.getSouthWest().lat(),
- bounds.getSouthWest().lng());
-
- // Convert the points to pixels and the extend out by the grid size.
- var trPix = projection.fromLatLngToDivPixel(tr);
- trPix.x += this.gridSize_;
- trPix.y -= this.gridSize_;
-
- var blPix = projection.fromLatLngToDivPixel(bl);
- blPix.x -= this.gridSize_;
- blPix.y += this.gridSize_;
-
- // Convert the pixel points back to LatLng
- var ne = projection.fromDivPixelToLatLng(trPix);
- var sw = projection.fromDivPixelToLatLng(blPix);
-
- // Extend the bounds to contain the new bounds.
- bounds.extend(ne);
- bounds.extend(sw);
-
- return bounds;
-};
-
-
-/**
- * Determins if a marker is contained in a bounds.
- *
- * @param {google.maps.Marker} marker The marker to check.
- * @param {google.maps.LatLngBounds} bounds The bounds to check against.
- * @return {boolean} True if the marker is in the bounds.
- * @private
- */
-MarkerClusterer.prototype.isMarkerInBounds_ = function(marker, bounds) {
- return bounds.contains(marker.getPosition());
-};
-
-
-/**
- * Clears all clusters and markers from the clusterer.
- */
-MarkerClusterer.prototype.clearMarkers = function() {
- this.resetViewport();
-
- // Set the markers a empty array.
- this.markers_ = [];
-};
-
-
-/**
- * Clears all existing clusters and recreates them.
- */
-MarkerClusterer.prototype.resetViewport = function() {
- // Remove all the clusters
- for (var i = 0, cluster; cluster = this.clusters_[i]; i++) {
- cluster.remove();
- }
-
- // Reset the markers to not be added and to be invisible.
- for (var i = 0, marker; marker = this.markers_[i]; i++) {
- marker.isAdded = false;
- marker.setMap(null);
- marker.setVisible(false);
- }
-
- this.clusters_ = [];
-};
-
-
-/**
- * Redraws the clusters.
- */
-MarkerClusterer.prototype.redraw = function() {
- this.createClusters_();
-};
-
-
-/**
- * Creates the clusters.
- *
- * @private
- */
-MarkerClusterer.prototype.createClusters_ = function() {
- if (!this.ready_) {
- return;
- }
-
- // Get our current map view bounds.
- // Create a new bounds object so we don't affect the map.
- var mapBounds = new google.maps.LatLngBounds(this.map_.getBounds().getSouthWest(),
- this.map_.getBounds().getNorthEast());
- var bounds = this.getExtendedBounds(mapBounds);
-
- for (var i = 0, marker; marker = this.markers_[i]; i++) {
- var added = false;
- if (!marker.isAdded && this.isMarkerInBounds_(marker, bounds)) {
- for (var j = 0, cluster; cluster = this.clusters_[j]; j++) {
- if (!added && cluster.getCenter() &&
- cluster.isMarkerInClusterBounds(marker)) {
- added = true;
- cluster.addMarker(marker);
- break;
- }
- }
-
- if (!added) {
- // Create a new cluster.
- var cluster = new Cluster(this);
- cluster.addMarker(marker);
- this.clusters_.push(cluster);
- }
- }
- }
-};
-
-
-/**
- * A cluster that contains markers.
- *
- * @param {MarkerClusterer} markerClusterer The markerclusterer that this
- * cluster is associated with.
- * @constructor
- * @ignore
- */
-function Cluster(markerClusterer) {
- this.markerClusterer_ = markerClusterer;
- this.map_ = markerClusterer.getMap();
- this.gridSize_ = markerClusterer.getGridSize();
- this.averageCenter_ = markerClusterer.isAverageCenter();
- this.center_ = null;
- this.markers_ = [];
- this.bounds_ = null;
- this.clusterIcon_ = new ClusterIcon(this, markerClusterer.getStyles(),
- markerClusterer.getGridSize());
-}
-
-/**
- * Determins if a marker is already added to the cluster.
- *
- * @param {google.maps.Marker} marker The marker to check.
- * @return {boolean} True if the marker is already added.
- */
-Cluster.prototype.isMarkerAlreadyAdded = function(marker) {
- if (this.markers_.indexOf) {
- return this.markers_.indexOf(marker) != -1;
- } else {
- for (var i = 0, m; m = this.markers_[i]; i++) {
- if (m == marker) {
- return true;
- }
- }
- }
- return false;
-};
-
-
-/**
- * Add a marker the cluster.
- *
- * @param {google.maps.Marker} marker The marker to add.
- * @return {boolean} True if the marker was added.
- */
-Cluster.prototype.addMarker = function(marker) {
- if (this.isMarkerAlreadyAdded(marker)) {
- return false;
- }
-
- if (!this.center_) {
- this.center_ = marker.getPosition();
- this.calculateBounds_();
- } else {
- if (this.averageCenter_) {
- var lat = (this.center_.lat() + marker.getPosition().lat()) / 2;
- var lng = (this.center_.lng() + marker.getPosition().lng()) / 2;
- this.center_ = new google.maps.LatLng(lat, lng);
- this.calculateBounds_();
- }
- }
-
-
- if (this.markers_.length == 0) {
- // Only 1 marker in this cluster so show the marker.
- marker.setMap(this.map_);
- marker.setVisible(true);
- } else if (this.markers_.length == 1) {
- // Hide the 1 marker that was showing.
- this.markers_[0].setMap(null);
- this.markers_[0].setVisible(false);
- }
-
- marker.isAdded = true;
- this.markers_.push(marker);
-
- this.updateIcon();
- return true;
-};
-
-
-/**
- * Returns the marker clusterer that the cluster is associated with.
- *
- * @return {MarkerClusterer} The associated marker clusterer.
- */
-Cluster.prototype.getMarkerClusterer = function() {
- return this.markerClusterer_;
-};
-
-
-/**
- * Returns the bounds of the cluster.
- *
- * @return {google.maps.LatLngBounds} the cluster bounds.
- */
-Cluster.prototype.getBounds = function() {
- this.calculateBounds_();
- return this.bounds_;
-};
-
-
-/**
- * Removes the cluster
- */
-Cluster.prototype.remove = function() {
- this.clusterIcon_.remove();
- this.markers_.length = 0;
- delete this.markers_;
-};
-
-
-/**
- * Returns the center of the cluster.
- *
- * @return {number} The cluster center.
- */
-Cluster.prototype.getSize = function() {
- return this.markers_.length;
-};
-
-
-/**
- * Returns the center of the cluster.
- *
- * @return {Array.<google.maps.Marker>} The cluster center.
- */
-Cluster.prototype.getMarkers = function() {
- return this.markers_;
-};
-
-
-/**
- * Returns the center of the cluster.
- *
- * @return {google.maps.LatLng} The cluster center.
- */
-Cluster.prototype.getCenter = function() {
- return this.center_;
-};
-
-
-/**
- * Calculated the bounds of the cluster with the grid.
- *
- * @private
- */
-Cluster.prototype.calculateBounds_ = function() {
- var bounds = new google.maps.LatLngBounds(this.center_, this.center_);
- this.bounds_ = this.markerClusterer_.getExtendedBounds(bounds);
-};
-
-
-/**
- * Determines if a marker lies in the clusters bounds.
- *
- * @param {google.maps.Marker} marker The marker to check.
- * @return {boolean} True if the marker lies in the bounds.
- */
-Cluster.prototype.isMarkerInClusterBounds = function(marker) {
- return this.bounds_.contains(marker.getPosition());
-};
-
-
-/**
- * Returns the map that the cluster is associated with.
- *
- * @return {google.maps.Map} The map.
- */
-Cluster.prototype.getMap = function() {
- return this.map_;
-};
-
-
-/**
- * Updates the cluster icon
- */
-Cluster.prototype.updateIcon = function() {
- var zoom = this.map_.getZoom();
- var mz = this.markerClusterer_.getMaxZoom();
-
- if (zoom > mz) {
- // The zoom is greater than our max zoom so show all the markers in cluster.
- for (var i = 0, marker; marker = this.markers_[i]; i++) {
- marker.setMap(this.map_);
- marker.setVisible(true);
- }
- return;
- }
-
- if (this.markers_.length < 2) {
- // We have 0 or 1 markers so hide the icon.
- this.clusterIcon_.hide();
- return;
- }
-
- var numStyles = this.markerClusterer_.getStyles().length;
- var sums = this.markerClusterer_.getCalculator()(this.markers_, numStyles);
- this.clusterIcon_.setCenter(this.center_);
- this.clusterIcon_.setSums(sums);
- this.clusterIcon_.show();
-};
-
-
-/**
- * A cluster icon
- *
- * @param {Cluster} cluster The cluster to be associated with.
- * @param {Object} styles An object that has style properties:
- * 'url': (string) The image url.
- * 'height': (number) The image height.
- * 'width': (number) The image width.
- * 'anchor': (Array) The anchor position of the label text.
- * 'textColor': (string) The text color.
- * 'textSize': (number) The text size.
- * @param {number} opt_padding Optional padding to apply to the cluster icon.
- * @constructor
- * @extends google.maps.OverlayView
- * @ignore
- */
-function ClusterIcon(cluster, styles, opt_padding) {
- cluster.getMarkerClusterer().extend(ClusterIcon, google.maps.OverlayView);
-
- this.styles_ = styles;
- this.padding_ = opt_padding || 0;
- this.cluster_ = cluster;
- this.center_ = null;
- this.map_ = cluster.getMap();
- this.div_ = null;
- this.sums_ = null;
- this.visible_ = false;
-
- this.setMap(this.map_);
-}
-
-
-/**
- * Triggers the clusterclick event and zoom's if the option is set.
- */
-ClusterIcon.prototype.triggerClusterClick = function() {
- var markerClusterer = this.cluster_.getMarkerClusterer();
-
- // Trigger the clusterclick event.
- google.maps.event.trigger(markerClusterer, 'clusterclick', this.cluster_);
-
- if (markerClusterer.isZoomOnClick()) {
- // Center the map on this cluster.
- this.map_.panTo(this.cluster_.getCenter());
-
- // Zoom into the cluster.
- this.map_.fitBounds(this.cluster_.getBounds());
- }
-};
-
-
-/**
- * Adding the cluster icon to the dom.
- * @ignore
- */
-ClusterIcon.prototype.onAdd = function() {
- this.div_ = document.createElement('DIV');
- if (this.visible_) {
- var pos = this.getPosFromLatLng_(this.center_);
- this.div_.style.cssText = this.createCss(pos);
- this.div_.innerHTML = this.sums_.text;
- }
-
- var panes = this.getPanes();
- panes.overlayImage.appendChild(this.div_);
-
- var that = this;
- google.maps.event.addDomListener(this.div_, 'click', function() {
- that.triggerClusterClick();
- });
-};
-
-
-/**
- * Returns the position to place the div dending on the latlng.
- *
- * @param {google.maps.LatLng} latlng The position in latlng.
- * @return {google.maps.Point} The position in pixels.
- * @private
- */
-ClusterIcon.prototype.getPosFromLatLng_ = function(latlng) {
- var pos = this.getProjection().fromLatLngToDivPixel(latlng);
- pos.x -= parseInt(this.width_ / 2, 10);
- pos.y -= parseInt(this.height_ / 2, 10);
- return pos;
-};
-
-
-/**
- * Draw the icon.
- * @ignore
- */
-ClusterIcon.prototype.draw = function() {
- if (this.visible_) {
- var pos = this.getPosFromLatLng_(this.center_);
- this.div_.style.top = pos.y + 'px';
- this.div_.style.left = pos.x + 'px';
- }
-};
-
-
-/**
- * Hide the icon.
- */
-ClusterIcon.prototype.hide = function() {
- if (this.div_) {
- this.div_.style.display = 'none';
- }
- this.visible_ = false;
-};
-
-
-/**
- * Position and show the icon.
- */
-ClusterIcon.prototype.show = function() {
- if (this.div_) {
- var pos = this.getPosFromLatLng_(this.center_);
- this.div_.style.cssText = this.createCss(pos);
- this.div_.style.display = '';
- }
- this.visible_ = true;
-};
-
-
-/**
- * Remove the icon from the map
- */
-ClusterIcon.prototype.remove = function() {
- this.setMap(null);
-};
-
-
-/**
- * Implementation of the onRemove interface.
- * @ignore
- */
-ClusterIcon.prototype.onRemove = function() {
- if (this.div_ && this.div_.parentNode) {
- this.hide();
- this.div_.parentNode.removeChild(this.div_);
- this.div_ = null;
- }
-};
-
-
-/**
- * Set the sums of the icon.
- *
- * @param {Object} sums The sums containing:
- * 'text': (string) The text to display in the icon.
- * 'index': (number) The style index of the icon.
- */
-ClusterIcon.prototype.setSums = function(sums) {
- this.sums_ = sums;
- this.text_ = sums.text;
- this.index_ = sums.index;
- if (this.div_) {
- this.div_.innerHTML = sums.text;
- }
-
- this.useStyle();
-};
-
-
-/**
- * Sets the icon to the the styles.
- */
-ClusterIcon.prototype.useStyle = function() {
- var index = Math.max(0, this.sums_.index - 1);
- index = Math.min(this.styles_.length - 1, index);
- var style = this.styles_[index];
- this.url_ = style['url'];
- this.height_ = style['height'];
- this.width_ = style['width'];
- this.textColor_ = style['textColor'];
- this.anchor = style['anchor'];
- this.textSize_ = style['textSize'];
-};
-
-
-/**
- * Sets the center of the icon.
- *
- * @param {google.maps.LatLng} center The latlng to set as the center.
- */
-ClusterIcon.prototype.setCenter = function(center) {
- this.center_ = center;
-};
-
-
-/**
- * Create the css text based on the position of the icon.
- *
- * @param {google.maps.Point} pos The position.
- * @return {string} The css style text.
- */
-ClusterIcon.prototype.createCss = function(pos) {
- var style = [];
- if (document.all) {
- style.push('filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(' +
- 'sizingMethod=scale,src="' + this.url_ + '");');
- } else {
- style.push('background:url(' + this.url_ + ');');
- }
-
- if (typeof this.anchor_ === 'object') {
- if (typeof this.anchor_[0] === 'number' && this.anchor_[0] > 0 &&
- this.anchor_[0] < this.height_) {
- style.push('height:' + (this.height_ - this.anchor_[0]) +
- 'px; padding-top:' + this.anchor_[0] + 'px;');
- } else {
- style.push('height:' + this.height_ + 'px; line-height:' + this.height_ +
- 'px;');
- }
- if (typeof this.anchor_[1] === 'number' && this.anchor_[1] > 0 &&
- this.anchor_[1] < this.width_) {
- style.push('width:' + (this.width_ - this.anchor_[1]) +
- 'px; padding-left:' + this.anchor_[1] + 'px;');
- } else {
- style.push('width:' + this.width_ + 'px; text-align:center;');
- }
- } else {
- style.push('height:' + this.height_ + 'px; line-height:' +
- this.height_ + 'px; width:' + this.width_ + 'px; text-align:center;');
- }
-
- var txtColor = this.textColor_ ? this.textColor_ : 'black';
- var txtSize = this.textSize_ ? this.textSize_ : 11;
-
- style.push('cursor:pointer; top:' + pos.y + 'px; left:' +
- pos.x + 'px; color:' + txtColor + '; position:absolute; font-size:' +
- txtSize + 'px; font-family:Arial,sans-serif; font-weight:bold');
- return style.join('');
-};
-
-
-// Export Symbols for Closure
-// If you are not going to compile with closure then you can remove the
-// code below.
-window['MarkerClusterer'] = MarkerClusterer;
-MarkerClusterer.prototype['addMarker'] = MarkerClusterer.prototype.addMarker;
-MarkerClusterer.prototype['addMarkers'] = MarkerClusterer.prototype.addMarkers;
-MarkerClusterer.prototype['clearMarkers'] =
- MarkerClusterer.prototype.clearMarkers;
-MarkerClusterer.prototype['getCalculator'] =
- MarkerClusterer.prototype.getCalculator;
-MarkerClusterer.prototype['getGridSize'] =
- MarkerClusterer.prototype.getGridSize;
-MarkerClusterer.prototype['getMap'] = MarkerClusterer.prototype.getMap;
-MarkerClusterer.prototype['getMarkers'] = MarkerClusterer.prototype.getMarkers;
-MarkerClusterer.prototype['getMaxZoom'] = MarkerClusterer.prototype.getMaxZoom;
-MarkerClusterer.prototype['getStyles'] = MarkerClusterer.prototype.getStyles;
-MarkerClusterer.prototype['getTotalClusters'] =
- MarkerClusterer.prototype.getTotalClusters;
-MarkerClusterer.prototype['getTotalMarkers'] =
- MarkerClusterer.prototype.getTotalMarkers;
-MarkerClusterer.prototype['redraw'] = MarkerClusterer.prototype.redraw;
-MarkerClusterer.prototype['removeMarker'] =
- MarkerClusterer.prototype.removeMarker;
-MarkerClusterer.prototype['resetViewport'] =
- MarkerClusterer.prototype.resetViewport;
-MarkerClusterer.prototype['setCalculator'] =
- MarkerClusterer.prototype.setCalculator;
-MarkerClusterer.prototype['setGridSize'] =
- MarkerClusterer.prototype.setGridSize;
-MarkerClusterer.prototype['onAdd'] = MarkerClusterer.prototype.onAdd;
-MarkerClusterer.prototype['draw'] = MarkerClusterer.prototype.draw;
-
-Cluster.prototype['getCenter'] = Cluster.prototype.getCenter;
-Cluster.prototype['getSize'] = Cluster.prototype.getSize;
-Cluster.prototype['getMarkers'] = Cluster.prototype.getMarkers;
-
-ClusterIcon.prototype['onAdd'] = ClusterIcon.prototype.onAdd;
-ClusterIcon.prototype['draw'] = ClusterIcon.prototype.draw;
-ClusterIcon.prototype['onRemove'] = ClusterIcon.prototype.onRemove;
git://git.onelab.eu / myslice.git / blobdiff