orbit-4-1/app/assets/javascripts/orbitTimeline.js

//for timeline parent library, will be accessable by main library and API library for other people to use.. default inherits orbitDesktopAPI
// Harry Bomrah

var orbitTimeline = function(dom){
	t = this;
	this.dom = $("#"+dom);
	this.timelineHtml = $("<div class='t_bottom t_scale' id='timeline_scale'></div>");
	//this.marker = t.timelineHtml.find("#timline_marker");
	this.scale = "";
	//this.container = t.timelineHtml.find("#t_container");
	this.events = new Array;
	this.monthList = ["","January","February","March","April","May","June","July","August","September","October","November","December"];
	this.dt = new Date();
	this.fromdate = [t.dt.getFullYear(),t.dt.getMonth()+1];
	this.ajaxload = true;
	this.initialize = function(){
		t.dom.html(t.timelineHtml);
		$("div.scrollbar").hide();
		t.constructTimeScale(function(timelineScale){
			$("#timeline_scale").html(timelineScale);
			var totalyearwidth =timelineScale.find(".year").length * 200;
			var totalul = 0;
			$(".t_scale").css({"min-width":$(".tinycanvas .viewport").width()+200 + "px"})
			for(eve in t.events){
				t.makeBubble(t.events[eve]);
				totalul = $("#scale_wrapper ul").length
				$(".t_scale").width((totalul*350) + totalyearwidth);
			}
			
			$('.tinycanvas').tinyscrollbar({ 
				axis: 'x',
				onMove: function(x){
					var limit = $("#timeline_scale").width() - $(".tinycanvas .scrollbar").width();
					if(t.ajaxload){
						if((limit - x) < 10){
							t.eventAjaxLoad(function(){
								var totalul = 0;
								for(eve in t.events){
									t.makeBubble(t.events[eve]);
									totalul = $("#scale_wrapper ul").length
									$(".t_scale").width((totalul*350) + totalyearwidth);
								}
								$('.tinycanvas').tinyscrollbar_update(x);
							});
						}
					}
				}
			});
		});		
	}
	this.constructTimeScale = function(callbackFn){
		var mon ="",year="",formname;
		var scale = $("<div id='scale_wrapper'></div>");
		$.getJSON("desktop_orbit/eventajaxload",{"event":"papers","from":t.fromdate},function(papersArray){
			$.each(papersArray,function(i,pa){
					$.each(pa.papers,function(i,paper){
						var dt = new Date(paper.created_at);
						var cur_mon = paper.created_at.substr(5,2);
						var cur_year = dt.getFullYear();
						var cdt = paper.created_at.substr(0,7).replace("-","");
						formname = (cur_mon.charAt(0) == "0"?cur_mon.charAt(1) : cur_mon)
						var bubbleData = {"fulldate" : t.monthList[parseInt(formname)] +", " + dt.getDate() + ", " + cur_year,"title":paper.title,"jtitle":"Harry","coauthors":paper.coauthors,"abstract":paper.abstract,"timestamp":cdt}
						t.events.push(bubbleData);
						if(cur_year != year){
							year = cur_year;
							scale.append($("<div class='scale_region year'>"+(year+1)+"</div><div data-content='"+year+"'></div>"));
						} 
						if(cur_mon != mon){
							mon = cur_mon;
							var yr = scale.find("div[data-content="+year+"]");
							yr.append($("<div class='scale_region month' data-content='"+cdt+"'><div class='month_heading'>"+t.monthList[parseInt(formname)]+"</div><div class='bubble_list'></div></div>"))					
						}
					});
				});
				scale.append($("<div class='scale_region year'>"+year+"</div><div data-content='"+(year-1)+"'></div>"));
				t.fromdate = [year,formname-1];
				if(typeof callbackFn == "function"){
					callbackFn.call(this,scale);
				}
			})
			
	}
	this.makeBubble = function(bubbleData){
		var totalul = $("#scale_wrapper").find("div[data-content="+bubbleData.timestamp+"] ul").length;
		var targetul =  $("#scale_wrapper div[data-content="+bubbleData.timestamp+"] div.bubble_list ul").eq(totalul-1);
		if(totalul == 0){
			var ul = $("<ul></ul>");
			$("#scale_wrapper").find("div[data-content="+bubbleData.timestamp+"] div.bubble_list").append(ul);
			targetul = ul;
		}else{
			var totalli = targetul.find("li").length;
			if(totalli >= 5){
				var ul = $("<ul></ul>");
				$("#scale_wrapper").find("div[data-content="+bubbleData.timestamp+"] div.bubble_list").append(ul);
				targetul = ul;
			}
		}
		var bt = (bubbleData.title.length > 70? bubbleData.title.substr(0,70) + "..." : bubbleData.title);
		var bubble = $("<li class='bubble'><span>"+bt+"<span class='date'> - "+bubbleData.fulldate+"</span></span></li>");
		bubble.css("margin-left","25px");
		targetul.prepend(bubble);
		bubble.show();
		bubble.click(function(){
			o.toolPopup({
				parent: $(this),
				html : "<div><h3>"+bubbleData.jtitle+"</h3><span><h2>Co-Authors: </h2>"+bubbleData.coauthors+"</span><span><h2>Abstract: </h2>"+bubbleData.abstract+"</span></div>",
				height: "auto",
				width:"300px"
			});
		})//.mouseout(function(){t.oapi.toolPopup("destroy");})
	}
	this.eventAjaxLoad = function(callbackFn){
		t.events = [];
		var mon ="",year="",formname;
		var scale = $("#scale_wrapper");
		
			t.ajaxload = false;
			$.getJSON("desktop_orbit/eventajaxload",{"from":t.fromdate},function(papersArray){
				$.each(papersArray,function(i,pa){
					$.each(pa.papers,function(i,paper){
						var dt = new Date(paper.created_at);
						var cur_mon = paper.created_at.substr(5,2);
						var cur_year = dt.getFullYear();
						var cdt = paper.created_at.substr(0,7).replace("-","");
						formname = (cur_mon.charAt(0) == "0"?cur_mon.charAt(1) : cur_mon)
						var bubbleData = {"fulldate" : t.monthList[parseInt(formname)] +", " + dt.getDate() + ", " + cur_year,"title":paper.title,"jtitle":"Harry","coauthors":paper.coauthors,"abstract":paper.abstract,"timestamp":cdt}
						t.events.push(bubbleData);
						if(cur_year != year){
							year = cur_year;
							if(scale.find("div[data-content="+year+"]").length == 0){
								scale.append($("<div class='scale_region year'>"+(year+1)+"</div><div data-content='"+year+"'></div>"));
							}
						} 
						if(cur_mon != mon){
							mon = cur_mon;
							var yr = scale.find("div[data-content="+year+"]");
							yr.append($("<div class='scale_region month' data-content='"+cdt+"'><div class='month_heading'>"+t.monthList[parseInt(formname)]+"</div><div class='bubble_list'></div></div>"))					
						}
					});
				});
				if(papersArray.length != 0){
					if(scale.find("div[data-content="+(year-1)+"]").length == 0)
						scale.append($("<div class='scale_region year'>"+year+"</div><div data-content='"+(year-1)+"'></div>"));
					t.ajaxload = true;
					t.fromdate = [year,formname-1];
				}
				if(typeof callbackFn == "function"){
					callbackFn.call(this,scale);
				}
			})
		
	}
}