CC-3174 : showbuilder

only updating the timeline view if it is needed.

airtime_mvc/public/js/airtime/showbuilder/builder.js

@@ -14,6 +14,32 @@ var AIRTIME = (function(AIRTIME){
 		}
 	}
 	
+	mod.resetTimestamp = function() {
+		var timestamp = $("#sb_timestamp");
+		//reset timestamp value since input values could have changed.
+		timestamp.val(-1);
+	};
+	
+	mod.setTimestamp = function(timestamp) {
+		$("#sb_timestamp").val(timestamp);
+	};
+	
+	mod.getTimestamp = function() {
+		var timestamp = $("#sb_timestamp"),
+			val;
+		
+		//if the timestamp field is on the page return it, or give the default of -1
+		//to ensure a page refresh.
+		if (timestamp.length === 1) {
+			val = timestamp.val();
+		}
+		else {
+			val = -1;
+		}
+		
+		return val;
+	};
+	
 	mod.fnAdd = function(aMediaIds, aSchedIds) {
 		var oLibTT = TableTools.fnGetInstance('library_display');
 		
@@ -47,6 +73,8 @@ var AIRTIME = (function(AIRTIME){
 	};
 	
 	fnServerData = function ( sSource, aoData, fnCallback ) {
+		
+		aoData.push( { name: "timestamp", value: AIRTIME.showbuilder.getTimestamp()} );
 		aoData.push( { name: "format", value: "json"} );
 		
 		if (fnServerData.hasOwnProperty("start")) {
@@ -65,7 +93,10 @@ var AIRTIME = (function(AIRTIME){
 			"type": "GET",
 			"url": sSource,
 			"data": aoData,
-			"success": fnCallback
+			"success": function(json) {
+				AIRTIME.showbuilder.setTimestamp(json.timestamp);
+				fnCallback(json);
+			}
 		} );
 	};
 	
@@ -302,6 +333,7 @@ var AIRTIME = (function(AIRTIME){
 						aData = tr.data("aData");
 					
 					setTimeout(function(){
+						AIRTIME.showbuilder.resetTimestamp();
 						oTable.fnDraw();
 					}, aData.refresh * 1000); //need refresh in milliseconds
 				}
@@ -311,7 +343,9 @@ var AIRTIME = (function(AIRTIME){
 			},
 			//remove any selected nodes before the draw.
 			"fnPreDrawCallback": function( oSettings ) {
-				var oTT = TableTools.fnGetInstance('show_builder_table');
+				var oTT;
+				
+				oTT = TableTools.fnGetInstance('show_builder_table');
 				oTT.fnSelectNone();
 		    },
 			

airtime_mvc/public/js/airtime/showbuilder/main_builder.js

@@ -109,6 +109,9 @@ $(document).ready(function(){
 			op,
 			oTable = $('#show_builder_table').dataTable();
 		
+		//reset timestamp value since input values could have changed.
+		AIRTIME.showbuilder.resetTimestamp();
+		
 		oRange = fnGetScheduleRange();
 		
 	    fn = oTable.fnSettings().fnServerData;
@@ -136,6 +139,9 @@ $(document).ready(function(){
 		
 		if ($button.hasClass("sb-edit")) {
 			
+			//reset timestamp to redraw the cursors.
+			AIRTIME.showbuilder.resetTimestamp();
+			
 			$lib.show();
 			$lib.width(Math.floor(screenWidth * 0.5));
 			$builder.width(Math.floor(screenWidth * 0.5));
@@ -154,8 +160,7 @@ $(document).ready(function(){
 			$button.val("Add Files");
 		}
 		
-		oTable.fnDraw();
-		
+		oTable.fnDraw();	
 	});
 	
 	oRange = fnGetScheduleRange();	
@@ -165,8 +170,35 @@ $(document).ready(function(){
 	AIRTIME.library.libraryInit();
 	AIRTIME.showbuilder.builderDataTable();
 	
+	//check if the timeline viewed needs updating.
 	setInterval(function(){
-		var oTable = $('#show_builder_table').dataTable();
-		oTable.fnDraw();
-	}, 20 * 1000); //need refresh in milliseconds
+		var data = {},
+			oTable = $('#show_builder_table').dataTable(),
+			fn = oTable.fnSettings().fnServerData,
+	    	start = fn.start,
+	    	end = fn.end;
+		
+		data["format"] = "json";
+		data["start"] = start;
+		data["end"] = end;
+		data["timestamp"] = AIRTIME.showbuilder.getTimestamp();
+		
+		if (fn.hasOwnProperty("ops")) {
+			data["myShows"] = fn.ops.myShows;
+			data["showFilter"] = fn.ops.showFilter;
+		}
+		
+		$.ajax( {
+			"dataType": "json",
+			"type": "GET",
+			"url": "/showbuilder/check-builder-feed",
+			"data": data,
+			"success": function(json) {
+				if (json.update === true) {
+					oTable.fnDraw();
+				}
+			}
+		} );
+		
+	}, 5 * 1000); //need refresh in milliseconds
 });