Dialog: Added additional syntax for creating buttons. Fixes #4344 - D…

…ialog: Enhanced Button Option.

tests/unit/dialog/dialog_options.js

@@ -71,6 +71,31 @@ test("buttons", function() {
	el.remove();
});

test("buttons - advanced", function() {
	expect(5);

	el = $("<div></div>").dialog({
		buttons: [
			{
				text: "a button",
				"class": "additional-class",
				id: "my-button-id",
				click: function() {
					equals(this, el[0], "correct context");
				}
			}
		]
	});
	var buttons = dlg().find("button");
	equals(buttons.length, 1, "correct number of buttons");
	equals(buttons.attr("id"), "my-button-id", "correct id");
	equals(buttons.text(), "a button", "correct label");
	ok(buttons.hasClass("additional-class"), "additional classes added");
	buttons.click();

	el.remove();
});

test("closeOnEscape", function() {
	el = $('<div></div>').dialog({ closeOnEscape: false });
	ok(true, 'closeOnEscape: false');

ui/jquery.ui.dialog.js

@@ -357,10 +357,15 @@ $.widget("ui.dialog", {
			});
		}
		if (hasButtons) {
			$.each(buttons, function(name, fn) {
				var button = $('<button type="button"></button>')
					.text(name)
					.click(function() { fn.apply(self.element[0], arguments); })
			$.each(buttons, function(name, props) {
				props = $.isFunction( props ) ?
					{ click: props, text: name } :
					props;
				var button = $('<button></button>', props)
					.unbind('click')
					.click(function() {
						props.click.apply(self.element[0], arguments);
					})
					.appendTo(uiButtonSet);
				if ($.fn.button) {
					button.button();