103 lines
2.9 KiB
JavaScript
103 lines
2.9 KiB
JavaScript
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/* $This file is distributed under the terms of the license in /doc/license.txt$ */
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/**
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* The MarkerManager is more like a composite class of Marker. It manages
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* markers by grouping the markers by keys.
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*/
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var MarkerManager = Class.extend({
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init: function(colorStrategy, sizeCoder) {
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this.keyToMarker = {};
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this.colorStrategy = colorStrategy;
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this.sizeCoder = sizeCoder;
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},
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addMarker: function(key, marker) {
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this.keyToMarker[key] = marker;
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},
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getMarker: function(key) {
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return this.keyToMarker[key];
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},
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hasKey: function(key) {
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return (this.keyToMarker.hasOwnProperty(key));
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},
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showMarkers: function() {
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$.each(this.keyToMarker, function(i, marker) {
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marker.show();
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});
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},
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hideMarkers: function() {
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$.each(this.keyToMarker, function(i, marker) {
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marker.hide();
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});
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},
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addMarkersToMap: function() {
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$.each(this.keyToMarker, function(i, marker) {
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marker.addToMap();
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});
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},
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removeMarkersFromMap: function() {
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$.each(this.keyToMarker, function(i, marker) {
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marker.removeFromMap();
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});
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}
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});
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/**
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* Customized MarkerManager for Science map purpose. It is be an abstract class
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*/
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ScimapMarkerManager = MarkerManager.extend({
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init: function(map, colorStrategy, sizeCoder) {
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this._super();
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this.colorStrategy = colorStrategy;
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this.sizeCoder = sizeCoder;
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this.map = map;
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this.layer = {};
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},
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setSizeCoder: function(sizeCoder) {
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this.sizeCoder = sizeCoder;
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},
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createMarker: function(key, density) {
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var me = this;
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var marker;
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if (!me.hasKey(key)) {
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var size = me.sizeCoder.getSize(density);
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var color = me.colorStrategy.getColor(key);
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var layer = me.layer;
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var label = layer[key].label;
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var latlng = createNoWrapLatLng(layer[key].latitude, layer[key].longitude);
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marker = createScinodeMarker(me.map, label, density, size, color, latlng);
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me.addMarker(key, marker);
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} else {
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marker = me.keyToMarker[key];
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marker.setValue(marker.getValue() + density);
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marker.setSize(me.sizeCoder.getSize(marker.getValue()));
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}
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return marker;
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},
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updateMarkerViews: function() {
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var me = this;
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for (var key in me.keyToMarker) {
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var marker = me.keyToMarker[key];
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marker.setSize(me.sizeCodingFunc(marker.getValue()));
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marker.setColor(me.colorStrategy.getColor(key));
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}
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}
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});
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var DisciplineMarkerManager = ScimapMarkerManager.extend({
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init: function(map, colorStrategy, sizeCoder) {
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this._super(map, colorStrategy, sizeCoder);
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this.layer = DISCIPLINES;
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},
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createMarker: function(subdisciplineKey, density) {
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var me = this;
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var key = SUBDISCIPLINES[subdisciplineKey].discipline;
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return this._super(key, density);
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}
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});
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var SubdisciplineMarkerManager = ScimapMarkerManager.extend({
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init: function(map, colorStrategy, sizeCoder) {
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this._super(map, colorStrategy, sizeCoder);
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this.layer = SUBDISCIPLINES;
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}
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});
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