Support discipline labels

Support display order for the Scimap circles
Support custom tooltip
Add % information on click action
Add info text
Add numerical information for mapped, total publications
Set default map view to 554 Sub-Discipline
Enable labels by default

productMods/js/visualization/mapofscience/Tooltip.js

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+/* $This file is distributed under the terms of the license in /doc/license.txt$ */
+/** 
+ * This tooltip source is modified based on the example of Google map V3. The demo html 
+ * is at http://philmap.000space.com/gmap-api/poly-hov.html
+ * 
+ * Modification:
+ * 1. Init container at constructor class
+ * 2. Add feature functions: setHtml, setWidth, setPosition
+ */
+var Tooltip = function(o) {
+	var me = this;
+	var id = 'tt';
+	var top = 3;
+	var left = 3;
+	var maxw = 300;
+	var speed = 10;
+	var fadeInTimer = 10;
+	var fadeOutTimer = 0;
+	var endalpha = 85;
+	var alpha = 0;
+	var preferredWidth;
+	var tt, t, c, b, h, w;
+	var opts = {};
+	var ie = document.all ? true : false;
+
+	opts = $.extend({}, opts, o);
+	tt = document.createElement('div');
+	tt.setAttribute('id', id);
+	t = document.createElement('div');
+	t.setAttribute('id', id + 'top');
+	c = document.createElement('div');
+	c.setAttribute('id', id + 'cont');
+	b = document.createElement('div');
+	b.setAttribute('id', id + 'bot');
+	tt.appendChild(t);
+	tt.appendChild(c);
+	tt.appendChild(b);
+	document.body.appendChild(tt);
+	tt.style.opacity = 0;
+	tt.style.filter = 'alpha(opacity=0)';
+	
+	return {
+		show: function(){
+				document.onmousemove = this.pos;
+			
+			var w = preferredWidth;
+			tt.style.display = 'block';
+			tt.style.width = w ? w + 'px' : 'auto';
+			if(!w && ie){
+				t.style.display = 'none';
+				b.style.display = 'none';
+				tt.style.width = tt.offsetWidth;
+				t.style.display = 'block';
+				b.style.display = 'block';
+			}
+			if(tt.offsetWidth > maxw) { tt.style.width = maxw + 'px' }
+			h = parseInt(tt.offsetHeight) + top;
+			clearInterval(tt.timer);
+			var me = this;
+			tt.timer = setInterval( function() { me.fade(1) }, fadeInTimer);
+		},
+		pos:function(e){
+			var u = ie ? event.clientY + document.documentElement.scrollTop : e.pageY;
+			var l = ie ? event.clientX + document.documentElement.scrollLeft : e.pageX;
+			tt.style.top = (u - h) + 'px';
+			tt.style.left = (l + left) + 'px';
+		},
+		fade:function(d){
+			var a = alpha;
+			if((a != endalpha && d == 1) || (a != 0 && d == -1)){
+				var i = speed;
+				if(endalpha - a < speed && d == 1){
+					i = endalpha - a;
+				}else if(alpha < speed && d == -1){
+					i = a;
+				}
+				alpha = a + (i * d);
+				tt.style.opacity = alpha * .01;
+				tt.style.filter = 'alpha(opacity=' + alpha + ')';
+			}else{
+				clearInterval(tt.timer);
+				if(d == -1){tt.style.display = 'none'}
+			}
+		},
+		hide:function(){
+			clearInterval(tt.timer);
+			var me = this;
+			tt.timer = setInterval( function(){ me.fade(-1) }, fadeOutTimer);
+		},
+		setHtml: function(v) {
+			c.innerHTML = v;
+		},
+		setWidth: function(w) {
+			preferredWidth = w;
+		},
+		setPosition: function(x, y) {
+			tt.style.top = x + 'px';
+			tt.style.left = y + 'px';
+		}
+	};
+};