Commit 83 (v0.9.83 - Beta)

Feature improvements:

- New boundProps feature for custom tag controls. See sample here:
  http://www.jsviews.com/#samples/tag-controls/range

Downloads:

- Minified files provided for all 'plugin libraries'
- Updated download pages:
  http://www.jsviews.com/#download/sample-tagcontrols
  http://www.jsviews.com/#download/jqueryui-tagcontrols
  http://www.jsviews.com/#download/jsrplugins

Documentation:

- New sample for {{draggable}} and {{droppable}}:
  http://www.jsviews.com/#samples/tag-controls/draggable-droppable

- New jQuery widget controls documentation topic:
  http://www.jsviews.com/#jqui

Bug fixes:

- BorisMoore#351: Binding contextual parameters
- BorisMoore#352: multiselect not showing initial selection
- BorisMoore/jsrender#305 "Unknown template" error message with jQuery 3.0+
- validate.js minor bugfix/improvement
- Several minor bug fixes

Unit tests:

- Several additional unit tests

jquery.observable.js

@@ -1,4 +1,4 @@
-/*! JsObservable v0.9.82 (Beta): http://jsviews.com/#jsobservable */
+/*! JsObservable v0.9.83 (Beta): http://jsviews.com/#jsobservable */
 /*
  * Subcomponent of JsViews
  * Data change events for data-linking
@@ -44,7 +44,7 @@ if (!$ || !$.fn) {
 	throw "JsObservable requires jQuery"; // We require jQuery
 }
 
-var versionNumber = "v0.9.82",
+var versionNumber = "v0.9.83",
 	$observe, $observable,
 
 	$views = $.views =
@@ -461,8 +461,8 @@ if (!$.observe) {
 				}
 			}
 
-			var i, p, skip, parts, prop, path, dep, unobserve, callback, cbId, inId, el, data, events, contextCb, items, cbBindings,
-				depth, innerCb, parentObs, allPath, filter, initNsArr, initNsArrLen,
+			var i, p, skip, parts, prop, path, dep, unobserve, callback, cbId, inId, el, data, events, contextCb, innerContextCb,
+				items, cbBindings, depth, innerCb, parentObs, allPath, filter, initNsArr, initNsArrLen,
 				ns = observeStr,
 				paths = this != 1 // Using != for IE<10 bug- see jsviews/issues/237
 					? concat.apply([], arguments) // Flatten the arguments - this is a 'recursive call' with params using the 'wrapped array'
@@ -491,7 +491,7 @@ if (!$.observe) {
 			}
 			callback = lastArg;
 			if (l && $isFunction(paths[l - 1])) {
-				contextCb = callback;
+				innerContextCb = contextCb = callback;
 				callback = paths.pop();
 				l--;
 			}
@@ -544,6 +544,11 @@ if (!$.observe) {
 					if (path === "") {
 						continue;
 					}
+					if (path && path._cp) { // Contextual parameter
+						contextCb = $sub._gccb(path[0]);   // getContextCb: Get context callback for the contextual view (where contextual param evaluated/assigned)
+						origRoot = root = path[0].data;    // Contextual data
+						path = path[1];
+					}
 					object = root;
 					if ("" + path === path) {
 						// Consider support for computed paths: jsviews/issues/292
@@ -562,7 +567,11 @@ if (!$.observe) {
 							depth = path.split(".").length - depth;
 							// if more than one ^ in the path, the first one determines depth
 						}
-						if (contextCb && (items = contextCb(path, root, depth))) {
+						if (contextCb) {
+							items = contextCb(path, root, depth);
+							contextCb = innerContextCb;
+						}
+						if (items) {
 							// If the array of objects and paths returned by contextCb is non empty, insert them
 							// into the sequence, replacing the current item (path). Otherwise simply remove current item (path)
 							l += items.length - 1;
@@ -1107,6 +1116,7 @@ if (!$.observe) {
 	};
 
 	$sub.advSet = function() { // refresh advanced settings
+		$sub._gccb = this._gccb; // getContextCallback method
 		global._jsv = $subSettings.advanced._jsv
 			? { // create global _jsv, for accessing views, etc
 					cbBindings: cbBindingsStore