mirror of
https://github.com/alchemy-fr/Phraseanet.git
synced 2025-10-13 21:13:26 +00:00
385 lines
11 KiB
HTML
385 lines
11 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=utf-8">
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<title>Replacing the content of a Button's Menu</title>
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<style type="text/css">
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/*margin and padding on body element
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can introduce errors in determining
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element position and are not recommended;
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we turn them off as a foundation for YUI
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CSS treatments. */
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body {
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margin:0;
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padding:0;
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}
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</style>
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<link rel="stylesheet" type="text/css" href="../../build/fonts/fonts-min.css" />
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<link rel="stylesheet" type="text/css" href="../../build/menu/assets/skins/sam/menu.css" />
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<link rel="stylesheet" type="text/css" href="../../build/button/assets/skins/sam/button.css" />
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<script type="text/javascript" src="../../build/yahoo-dom-event/yahoo-dom-event.js"></script>
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<script type="text/javascript" src="../../build/container/container_core-min.js"></script>
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<script type="text/javascript" src="../../build/menu/menu-min.js"></script>
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<script type="text/javascript" src="../../build/element/element-min.js"></script>
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<script type="text/javascript" src="../../build/button/button-min.js"></script>
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<!--begin custom header content for this example-->
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<style type="text/css">
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/* Style the <fieldset> since the Reset CSS removes the default style. */
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#pizza-order-form fieldset {
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border: 2px groove #ccc;
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margin: .5em;
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padding: .5em;
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}
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pre {
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border: solid 1px #000;
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background-color: #ccc;
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padding: 10px;
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margin: 10px;
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}
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li.yui-button-selectedmenuitem {
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background: url(../button/assets/checkbox.png) left center no-repeat;
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}
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</style>
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<!--end custom header content for this example-->
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</head>
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<body class="yui-skin-sam">
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<h1>Replacing the content of a Button's Menu</h1>
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<div class="exampleIntro">
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<p>
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This example illustrates how to replace the content of a Button's Menu on
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the fly.
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</p>
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</div>
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<!--BEGIN SOURCE CODE FOR EXAMPLE =============================== -->
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<script type="text/javascript">
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YAHOO.util.Event.onContentReady("pizza-order-form", function () {
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// Change the default node name for the ButtonGroup element
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// so that the fieldset can be used.
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YAHOO.widget.ButtonGroup.prototype.NODE_NAME = "FIELDSET";
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// Transform the existing radio buttons into a ButtonGroup control
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var oButtonGroup = new YAHOO.widget.ButtonGroup("pizza-types-fields"),
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oType1Label = YAHOO.util.Dom.get("type1-label"),
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oType2Label = YAHOO.util.Dom.get("type2-label"),
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oButton1 = oButtonGroup.getButton(0),
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oButton2 = oButtonGroup.getButton(1);
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// Set the "label" attribute of each Button to the text of
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// its corresponding <label> element
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oButton1.set("label", oType1Label.innerHTML);
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oButton2.set("label", oType2Label.innerHTML);
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// Remove the original labels, since Buttons of type "radio"
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// are self labelling
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oButtonGroup.removeChild(oType1Label);
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oButtonGroup.removeChild(oType2Label);
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// Utility function to transform the data in HTML <option>
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// elements into JavaScript arrays of MenuItem
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// configuration properties
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var createMenuItemData = function (optiongroup) {
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var aOptions = YAHOO.util.Dom.get(optiongroup).getElementsByTagName("option"),
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aMenuItemData = [],
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nOptions = aOptions.length,
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oOption;
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for (var i = 0; i < nOptions; i++) {
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oOption = aOptions[i];
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aMenuItemData[i] = { text: oOption.text , value: oOption.value };
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}
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aMenuItemData.splice(0, 0, "Select Size");
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return aMenuItemData;
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};
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// Read the data out of the <select>'s <optgroup> elements so
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// that it can be used to create MenuItems in a Button's Menu
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var aThinCrustSizes = createMenuItemData("thin-crust-sizes"),
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aDeepDishSizes = createMenuItemData("deep-dish-sizes");
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var onCheckedChange = function (event, menuitems) {
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var oMenu;
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if (this.get("checked")) {
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oMenu = oMenuButton.getMenu();
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// Use the "inDocument" method of the Dom utility to
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// determine if the Button's Menu has been rendered.
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if (YAHOO.util.Dom.inDocument(oMenuButton.getMenu().element)) {
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// If the Menu has been rendered, use Menu's "clearContent"
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// method to remove all existing MenuItems, then repopulate
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// the Menu using the "addItems" method.
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oMenu.clearContent();
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oMenu.addItems(menuitems);
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// Using the "clearContent" method removes all content
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// from a Menu instance, effectively restoring it to its
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// pre-rendered state. For this reason, it is necessary
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// to call the "render" method after using "clearContent"
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// so that the Menu's content is rendered into the Menu's
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// body element (<div class="bd">). However, since the
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// Menu's root element is already in the page, it is not
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// necessary to pass an element reference when calling the
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// "render" method.
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oMenu.render();
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}
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else {
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// By default a Button's Menu is lazyloaded - meaning the
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// creation and rendering of all MenuItems is
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// deferred until the Menu is intially requested by the
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// user. If the "menu" attribute of a Button is set to
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// an array of MenuItem configuration properties, as in
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// this example, Button sets the "itemData" property of its
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// Menu to the value of the "menu" attribute. When the
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// Button's Menu is first shown, Menu uses the value of
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// the "itemData" to create and render all MenuItems.
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// If the user clicks either the "Deep Dish" or
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// "Thin Crust" Buttons before the content of the
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// "Pizza Size" Menu has been rendered, simply set the
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// Menu's "itemData" property to the to the array of
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// MenuItem configuration properties that should be used
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// to build the Menu when it is lazy loaded.
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oMenu.itemData = menuitems;
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}
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}
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};
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// Register a change event handler for each radio button's
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// "checked" attribute that will rebuild the content of the
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// menu button's Menu instance when the user toggles between
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// the deep dish and thin crust pizzas
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oButton1.on("checkedChange", onCheckedChange, aThinCrustSizes);
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oButton2.on("checkedChange", onCheckedChange, aDeepDishSizes);
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// Remove the existing <select> element from the <form>, and
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// replace it with a menu button
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var oPizzaSizeSelect = YAHOO.util.Dom.get("pizza-size");
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oPizzaSizeSelect.parentNode.removeChild(oPizzaSizeSelect);
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var oMenuButton = new YAHOO.widget.Button({ type: "menu",
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label: "Select Size",
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name: "pizza-size",
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menu: aThinCrustSizes,
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container: "pizza-size-fields" });
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// "selectedMenuItemChange" event handler for a Button that will set
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// the Button's "label" attribute to the value of the "text"
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// configuration property of the MenuItem that was clicked.
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var onSelectedMenuItemChange = function (event) {
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var oMenuItem = event.newValue;
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this.set("label", oMenuItem.cfg.getProperty("text"));
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};
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// Register a "selectedMenuItemChange" event handler that will sync the
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// Button's "label" attribute to the MenuItem that was clicked.
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oMenuButton.on("selectedMenuItemChange", onSelectedMenuItemChange);
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// "render" event handler for a Button's Menu - responsible for setting
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// the default value for the Button's "selectedMenuItem" attribute.
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var onMenuRender = function (type, args, button) {
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button.set("selectedMenuItem", this.getItem(0));
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};
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// "submit" event handler for a Button's parent form - repsonsible for
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// rendering a Menu that was to be lazy loaded, but never clicked on,
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// and therefore never rendered.
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var onFormSubmit = function (event, button) {
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var oMenuItem = button.get("selectedMenuItem"),
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UA = YAHOO.env.ua,
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oEvent,
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oMenu;
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if (!oMenuItem) {
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// Pause submission of the form until the Button's Menu
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// is rendered
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YAHOO.util.Event.preventDefault(event);
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oMenu = button.getMenu();
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oMenu.addItems(oMenu.itemData);
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oMenu.subscribe("render", function () {
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var bSubmitForm;
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if (UA.ie) {
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bSubmitForm = this.fireEvent("onsubmit");
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}
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else { // Gecko, Opera, and Safari
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oEvent = document.createEvent("HTMLEvents");
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oEvent.initEvent("submit", true, true);
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bSubmitForm = this.dispatchEvent(oEvent);
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}
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// In IE and Safari, dispatching a "submit" event to a form
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// WILL cause the form's "submit" event to fire, but WILL
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// NOT submit the form. Therefore, we need to call the
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// "submit" method as well.
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if ((UA.ie || UA.webkit) && bSubmitForm) {
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this.submit();
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}
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}, this, true);
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oMenu.render(oMenu.cfg.getProperty("container"));
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}
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};
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oMenuButton.on("appendTo", function () {
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var oMenu = this.getMenu();
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// If a Button's "selectedMenuItem" attribute is set, the selected
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// MenuItem's name and value will be part of the form's data set
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// when its parent form is submitted. For Buttons with Menus built
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// entirely from script, the "selectedMenuItem" property is not
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// set by default. To set the "selectedMenuItem" to a default
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// value, simply register a "render" event handler for the Button's
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// Menu that sets the Button's "selectedMenuItem" attribute to the
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// desired item in the Menu.
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oMenu.subscribe("render", onMenuRender, this);
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// The items in a Button's Menu are lazy loaded by default: loaded
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// when the Button is initially clicked. If the user never clicks
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// on the Button, its Menu will never be rendered, meaning the
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// "render" event handler registered above will never be called,
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// and the default value for the Button's "selectMenuItem"
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// attribute will never be set. Therefore, add a "submit" event
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// handler to the Button's parent form that will render the Menu
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// if the Button's "selectedMenuItem" attribute is not set.
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YAHOO.util.Event.on(this.getForm(), "submit", onFormSubmit, this);
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});
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var oPlaceOrder = new YAHOO.widget.Button("place-order");
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});
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</script>
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<form id="pizza-order-form" method="post">
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<fieldset>
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<legend>Pizza Order Form</legend>
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<fieldset id="pizza-types-fields">
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<legend>Pizza Type</legend>
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<label id="type1-label" for="type1">Thin Crust</label>
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<input type="radio" name="pizza-type" id="type1" value="1" checked>
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<label id="type2-label" for="type2">Deep Dish</label>
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<input type="radio" name="pizza-type" id="type2" value="2">
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</fieldset>
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<div id="pizza-size-fields">
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<label for="pizza-size">Size: </label>
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<select name="pizza-size" id="pizza-size">
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<option selected label="none" value="none">Select a size</option>
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<optgroup label="Thin Crust" id="thin-crust-sizes">
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<option value="1.1">Small</option>
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<option value="1.2">Medium</option>
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<option value="1.3">Large</option>
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<option value="1.4">Extra Large</option>
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</optgroup>
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<optgroup label="Deep Dish" id="deep-dish-sizes">
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<option value="2.1">Regular</option>
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<option value="2.2">Large</option>
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</optgroup>
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</select>
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</div>
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</fieldset>
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<input type="submit" id="place-order" name="place-order" value="Place Order">
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</form>
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<!--END SOURCE CODE FOR EXAMPLE =============================== -->
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</body>
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</html>
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