X-Git-Url: https://projects.mako.cc/source/selectricity-live/blobdiff_plain/baf9ff0ec39c13f52ee8d4f087641dc5fcc9c53b..fcc68b4dc198b7cb0cf93467d96038b0844675fe:/vendor/plugins/ym4r_gm/javascript/geoRssOverlay.js

diff --git a/vendor/plugins/ym4r_gm/javascript/geoRssOverlay.js b/vendor/plugins/ym4r_gm/javascript/geoRssOverlay.js
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+// GeoRssOverlay: GMaps API extension to display a group of markers from
+// a RSS feed
+//
+// Copyright 2006 Mikel Maron (email: mikel_maron yahoo com)
+//
+// The original version of this code is called MGeoRSS and can be found
+// at the following address:
+// http://brainoff.com/gmaps/mgeorss.html
+//
+// Modified by Andrew Turner to add support for the GeoRss Simple vocabulary
+//
+// Modified and bundled with YM4R in accordance with the following
+// license:
+//
+// This work is public domain
+
+function GeoRssOverlay(rssurl,icon,proxyurl,options){
+    this.rssurl = rssurl;
+    this.icon = icon;
+    this.proxyurl = proxyurl;
+    if(options['visible'] == undefined)
+	this.visible = true;
+    else
+	this.visible = options['visible'];
+    this.listDiv = options['listDiv']; //ID of the item list DIV
+    this.contentDiv = options['contentDiv']; //ID of the content DIV
+    this.listItemClass = options['listItemClass']; //Class of the list item DIV
+    this.limitItems = options['limit']; //Maximum number of displayed entries
+    this.request = false;
+    this.markers = [];
+}
+
+GeoRssOverlay.prototype = new GOverlay();
+
+GeoRssOverlay.prototype.initialize=function(map) {
+    this.map = map;
+    this.load();
+}
+
+GeoRssOverlay.prototype.redraw = function(force){
+    //nothing to do : the markers are already taken care of
+}
+
+GeoRssOverlay.prototype.remove = function(){
+    for(var i= 0, len = this.markers.length ; i< len; i++){
+	this.map.removeOverlay(this.markers[i]);
+    }
+}
+
+GeoRssOverlay.prototype.showHide=function() {
+    if (this.visible) {
+	for (var i=0;i<this.markers.length;i++) {
+	    this.map.removeOverlay(this.markers[i]);
+	}
+	this.visible = false;
+    } else {
+	for (var i=0;i<this.markers.length;i++) {
+	    this.map.addOverlay(this.markers[i]);
+	}
+	this.visible = true;
+    }
+}
+
+GeoRssOverlay.prototype.showMarker = function(id){
+    var marker = this.markers[id];
+    if(marker != undefined){
+	GEvent.trigger(marker,"click");
+    }
+}
+
+GeoRssOverlay.prototype.copy = function(){
+    var oCopy = new GeoRssOVerlay(this.rssurl,this.icon,this.proxyurl);
+    oCopy.markers = [];
+    for(var i = 0 , len = this.markers.length ;i < len ; i++){
+	oCopy.markers.push(this.markers[i].copy());
+    }
+    return oCopy;
+}
+
+GeoRssOverlay.prototype.load=function() {
+    if (this.request != false) { 
+	return; 
+    }
+    this.request = GXmlHttp.create();
+    if (this.proxyurl != undefined) {
+	this.request.open("GET",this.proxyurl + '?q=' + encodeURIComponent(this.rssurl),true);
+    } else {
+	this.request.open("GET",this.rssurl, true);
+    }
+    var m = this;
+    this.request.onreadystatechange = function() {
+	m.callback();
+    }
+    this.request.send(null);
+}
+
+GeoRssOverlay.prototype.callback = function() {
+    if (this.request.readyState == 4) {
+	if (this.request.status == "200") {
+	    var xmlDoc = this.request.responseXML;
+	    if(xmlDoc.documentElement.getElementsByTagName("item").length != 0){
+		//RSS
+		var items = xmlDoc.documentElement.getElementsByTagName("item");
+	    }else if(xmlDoc.documentElement.getElementsByTagName("entry").length != 0){
+		//Atom
+		var items = xmlDoc.documentElement.getElementsByTagName("entry");
+	    }
+	    for (var i = 0, len = this.limitItems?Math.min(this.limitItems,items.length):items.length; i < len; i++) {
+		try {
+		    var marker = this.createMarker(items[i],i);
+		    this.markers.push(marker);
+		    if(this.visible){
+			this.map.addOverlay(marker);
+		    }
+		} catch (e) {
+		}
+	    }
+	}
+	this.request = false;
+    }
+}
+
+GeoRssOverlay.prototype.createMarker = function(item,index) {
+    
+    var title = item.getElementsByTagName("title")[0].childNodes[0].nodeValue;
+    if(item.getElementsByTagName("description").length != 0){
+	//Rss
+	var description = item.getElementsByTagName("description")[0].childNodes[0].nodeValue;
+	var link = item.getElementsByTagName("link")[0].childNodes[0].nodeValue;    }else if(item.getElementsByTagName("summary").length != 0){
+	//Atom
+	var description = item.getElementsByTagName("summary")[0].childNodes[0].nodeValue;
+	var link = item.getElementsByTagName("link")[0].attributes[0].nodeValue;
+	}
+    /* namespaces are handled by spec in moz, not in ie */
+    if (navigator.userAgent.toLowerCase().indexOf("msie") < 0) {
+       	if(item.getElementsByTagNameNS("http://www.w3.org/2003/01/geo/wgs84_pos#","lat").length != 0){
+	    //W3C Geo Vocabulary
+	    var lat = item.getElementsByTagNameNS("http://www.w3.org/2003/01/geo/wgs84_pos#","lat")[0].childNodes[0].nodeValue;
+	    var lng = item.getElementsByTagNameNS("http://www.w3.org/2003/01/geo/wgs84_pos#","long")[0].childNodes[0].nodeValue;
+	}else if(item.getElementsByTagNameNS("http://www.georss.org/georss","point").length != 0){
+	    
+	    //Simple
+	    var latlng = item.getElementsByTagNameNS("http://www.georss.org/georss","point")[0].childNodes[0].nodeValue.split(" ");
+	    var lat = latlng[0];
+	    var lng = latlng[1];
+	}
+    } else {
+	
+	if(item.getElementsByTagName("geo:lat").length != 0){
+	    //W3C Geo Vocabulary
+	    var lat = item.getElementsByTagName("geo:lat")[0].childNodes[0].nodeValue;
+	    var lng = item.getElementsByTagName("geo:long")[0].childNodes[0].nodeValue;
+	}else if(item.getElementsByTagName("georss:point").length != 0){
+	    //Simple
+	    var latlng = item.getElementsByTagName("georss:point")[0].childNodes[0].nodeValue.split(" ");
+	    var lat = latlng[0];
+	    var lng = latlng[1];
+	}
+    }
+    
+    var point = new GLatLng(parseFloat(lat), parseFloat(lng));
+    var marker = new GMarker(point,{'title': title});
+    var html = "<a href=\"" + link + "\">" + title + "</a><p/>" + description;
+    
+    if(this.contentDiv == undefined){
+	GEvent.addListener(marker, "click", function() {
+	    marker.openInfoWindowHtml(html);
+	});
+    }else{
+	var contentDiv = this.contentDiv;
+	GEvent.addListener(marker, "click", function() {
+	    document.getElementById(contentDiv).innerHTML = html;
+	});
+    }
+    
+    if(this.listDiv != undefined){
+	var a = document.createElement('a'); 
+	a.innerHTML = title;
+	a.setAttribute("href","#");
+	var georss = this;
+	a.onclick = function(){
+	    georss.showMarker(index);
+	    return false;
+	};
+	var div = document.createElement('div');
+	if(this.listItemClass != undefined){
+	    div.setAttribute("class",this.listItemClass);
+	}
+	div.appendChild(a);
+	document.getElementById(this.listDiv).appendChild(div);
+    }
+    
+    return marker;
+}