1 files changed, 67 insertions, 2 deletions
diff --git a/src/usr/local/www/index.php b/src/usr/local/www/index.php
index 51adbae..a9d58e7 100644
--- a/src/usr/local/www/index.php
+++ b/src/usr/local/www/index.php
@@ -121,6 +121,7 @@ foreach (glob("/usr/local/www/widgets/widgets/*.widget.php") as $file) {
 if (!is_array($config['widgets'])) {
 	$config['widgets'] = array();
 }
+
 if (!is_array($user_settings['widgets'])) {
 	$user_settings['widgets'] = array();
 }
@@ -385,7 +386,7 @@ foreach ($available as $widgetkey => $widgetconfig):
 ?>
 		<div class="col-sm-3"><a href="#" id="btnadd-<?=$widgetconfig['basename']?>"><i class="fa fa-plus"></i> <?=$widgetconfig['title']?></a></div>
 	<?php endif; ?>
-<?php 
+<?php
 endforeach;
 ?>
 			</div>
@@ -566,8 +567,20 @@ function set_widget_checkbox_events(checkbox_panel_ref, all_none_button_id) {
 		});
 }
 
-events.push(function() {
+// --------------------- EXPERIMENTAL centralized widget refresh system ------------------------------
+// These need to live outsie of the events.push() function to enable the widgets to see them
+var ajaxspecs = new Array();	// Array to hold widget refresh specifications (objects )
+var ajaxidx = 0;
+var ajaxmutex = false;
+var ajaxcntr = 0;
 
+// Add a widget refresh object to the array list
+function register_ajax(ws) {
+  ajaxspecs.push(ws);
+}
+// ---------------------------------------------------------------------------------------------------
+
+events.push(function() {
 	// Make panels destroyable
 	$('.container .panel-heading a[data-toggle="close"]').each(function (idx, el) {
 		$(el).on('click', function(e) {
@@ -622,9 +635,61 @@ events.push(function() {
 			$('#btnstore').removeClass("invisible");
 		}
 	});
+
+	// --------------------- EXPERIMENTAL centralized widget refresh system ------------------------------
+	function make_ajax_call(wd) {
+		ajaxmutex = true;
+
+		$.ajax({
+			type: 'POST',
+			url: wd.url,
+			dataType: 'html',
+			data: wd.parms,
+
+			success: function(data){
+				wd.callback(data);
+				ajaxmutex = false;
+			},
+
+			error: function(e){
+//				alert("Error: " + e);
+				ajaxmutex = false;
+			}
+		});
+	}
+
+	// Loop through each AJAX widget refresh object, make the AJAX call and pass the
+	// results back to the widget's callback function
+	function executewidget() {
+		if (ajaxspecs.length > 0) {
+			var freq = ajaxspecs[ajaxidx].freq;	// widget can specifify it should be called freq times around hte loop
+
+			if (!ajaxmutex) {
+				if (((ajaxcntr % freq) === 0) && (typeof ajaxspecs[ajaxidx].callback === "function" )) {
+				    make_ajax_call(ajaxspecs[ajaxidx]);
+				}
+
+			    if (++ajaxidx >= ajaxspecs.length) {
+					ajaxidx = 0;
+
+					if (++ajaxcntr >= 4096) {
+						ajaxcntr = 0;
+					}
+			    }
+			}
+
+		    setTimeout(function() { executewidget(); }, 1000);
+	  	}
+	}
+
+	// Kick it off
+	executewidget();
+
+	//----------------------------------------------------------------------------------------------------
 });
 //]]>
 </script>
+
 <?php
 //build list of javascript include files
 foreach (glob('widgets/javascript/*.js') as $file) {