Dialog: Update the internal flag for whether or not the dialog is open before triggering the close event.

Fixes #5184 - isOpen in dialogclose event is true.

Author: scottgonzalez

tests/unit/dialog/dialog_tickets.js

@@ -26,4 +26,18 @@ test("#4826: setting resizable false toggles resizable on dialog", function() {
 
 });
 
+test("#5184: isOpen in dialogclose event is true", function() {
+	expect( 3 );
+
+	el = $( "<div></div>" ).dialog({
+		close: function() {
+			ok( !el.dialog("isOpen"), "dialog is not open during close" );
+		}
+	});
+	ok( el.dialog("isOpen"), "dialog is open after init" );
+	el.dialog( "close" );
+	ok( !el.dialog("isOpen"), "dialog is not open after close" );
+	el.remove();
+});
+
 })(jQuery);

ui/jquery.ui.dialog.js

@@ -188,6 +188,8 @@ $.widget("ui.dialog", {
 		(self.overlay && self.overlay.destroy());
 		self.uiDialog.unbind('keypress.ui-dialog');
 
+		self._isOpen = false;
+
 		(self.options.hide
 			? self.uiDialog.hide(self.options.hide, function() {
 				self._trigger('close', event);
@@ -196,8 +198,6 @@ $.widget("ui.dialog", {
 
 		$.ui.dialog.overlay.resize();
 
-		self._isOpen = false;
-
 		// adjust the maxZ to allow other modal dialogs to continue to work (see #4309)
 		if (self.options.modal) {
 			var maxZ = 0;