Dialog: Wrap buttons in a div so we can float the div instead of the individual buttons. Fixes #4529 - dialog buttons are accessed in wrong order using tab.

Author: scottgonzalez

tests/unit/dialog/dialog_options.js

@@ -43,7 +43,7 @@ test("buttons", function() {
 		i++;
 	});
 
-	ok(btn.parent().hasClass('ui-dialog-buttonpane'), "buttons in container");
+	ok(btn.parent().hasClass('ui-dialog-buttonset'), "buttons in container");
 	btn.trigger("click");
 
 	var newButtons = {

themes/base/jquery.ui.dialog.css

@@ -15,6 +15,7 @@
 .ui-dialog .ui-dialog-titlebar-close:hover, .ui-dialog .ui-dialog-titlebar-close:focus { padding: 0; }
 .ui-dialog .ui-dialog-content { position: relative; border: 0; padding: .5em 1em; background: none; overflow: auto; zoom: 1; }
 .ui-dialog .ui-dialog-buttonpane { text-align: left; border-width: 1px 0 0 0; background-image: none; margin: .5em 0 0 0; padding: .3em 1em .5em .4em; }
-.ui-dialog .ui-dialog-buttonpane button { float: right; margin: .5em .4em .5em 0; cursor: pointer; }
+.ui-dialog .ui-dialog-buttonpane .ui-dialog-buttonset { float: right; }
+.ui-dialog .ui-dialog-buttonpane button { margin: .5em .4em .5em 0; cursor: pointer; }
 .ui-dialog .ui-resizable-se { width: 14px; height: 14px; right: 3px; bottom: 3px; }
 .ui-draggable .ui-dialog-titlebar { cursor: move; }

ui/jquery.ui.dialog.js

@@ -342,7 +342,10 @@ $.widget("ui.dialog", {
 					'ui-dialog-buttonpane ' +
 					'ui-widget-content ' +
 					'ui-helper-clearfix'
-				);
+				),
+			uiButtonSet = $( "<div></div>" )
+				.addClass( "ui-dialog-buttonset" )
+				.appendTo( uiDialogButtonPane );
 
 		// if we already have a button pane, remove it
 		self.uiDialog.find('.ui-dialog-buttonpane').remove();
@@ -357,7 +360,7 @@ $.widget("ui.dialog", {
 				var button = $('<button type="button"></button>')
 					.text(name)
 					.click(function() { fn.apply(self.element[0], arguments); })
-					.appendTo(uiDialogButtonPane);
+					.appendTo(uiButtonSet);
 				if ($.fn.button) {
 					button.button();
 				}