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Split Buttons event (YUI)

Axter
Axter asked
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2 Comments
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Last Modified: 2012-05-11
I'm trying to implement the split button using yui which is in following link:
http://developer.yahoo.com/yui/examples/button/btn_example08.html

I'm having problems trying to figure out how to capture the event for specific item selected under the menu.
It always seems to jump to the same event.

When I test this, it always jumps to onExampleSubmit function, which doesn't seem to have a method to determine what item was selected, or differentiate between main button click, and sub menu item click.
How can I modify the following code so that it can determine which button is selected?
  
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
	<title>YUI Library Examples: Button Control: Split Buttons</title>

    

	<meta http-equiv="content-type" content="text/html; charset=UTF-8">
    	<link rel="stylesheet" type="text/css" href="yui/yui.css?v=3" >
	<link rel="stylesheet" type="text/css" href="yui/dpSyntaxHighlighter.css">
<link rel="stylesheet" type="text/css" href="yui/menu.css" />
<link rel="stylesheet" type="text/css" href="yui/button.css" />
<script type="text/javascript" src="yui/yuiloader-min.js"></script>

<script type="text/javascript" src="yui/dom-min.js"></script>
<script type="text/javascript" src="yui/event-min.js"></script>
<script type="text/javascript" src="yui/container_core-min.js"></script>
<script type="text/javascript" src="yui/menu-min.js"></script>
<script type="text/javascript" src="yui/element-min.js"></script>
<script type="text/javascript" src="yui/button-min.js"></script>

<!-- Sam Skin CSS -->
<link rel="stylesheet" type="text/css" href="yui/container.css">
 
<!-- OPTIONAL: You only need the YUI Button CSS if you're including YUI Button, mentioned below. -->
<link rel="stylesheet" type="text/css" href="yui/button.css">
 
<!-- Dependencies -->
<script src="yui/yahoo-dom-event.js"></script>
 
<!-- OPTIONAL: Animation (only required if using ContainerEffect) -->
<script src="yui/animation-min.js"></script>
 
<!-- OPTIONAL: Connection (only required if using asynchronous form submission) -->
<script src="yui/connection-min.js"></script>
 
<!-- OPTIONAL: Drag & Drop (only required if enabling Drag & Drop) -->
<script src="yui/dragdrop-min.js"></script>
 
<!-- OPTIONAL: YUI Button (these 2 files only required if you want SimpleDialog to use YUI Buttons, instead of HTML Buttons) -->
<script src="yui/element-min.js"></script>
<script src="yui/button-min.js"></script>
 
<!-- Source file -->
<script src="yui/container-min.js"></script>


<!--begin custom header content for this example-->
<style type="text/css">

    /*
        Set the "zoom" property to "normal" since it is set to "1" by the 
        ".example-container .bd" rule in yui.css and this causes a Menu
        instance's width to expand to 100% of the browser viewport.
    */
    
    div.yuimenu .bd {
    
        zoom: normal;
    
    }

    #button-example-form fieldset {

        border: 2px groove #ccc;
        margin: .5em;
        padding: .5em;

    }
    
    #splitbutton3menu,
    #splitbutton4menu {
    
        position: absolute;
        visibility: hidden;
        border: solid 1px #000;
        padding: .5em;
        background-color: #ccc;
    
    }

    #button-example-form-postdata {
    
        border: dashed 1px #666;
        background-color: #ccc;
        padding: 1em;
    
    }

    #button-example-form-postdata h2 {
    
        margin: 0 0 .5em 0;
        padding: 0;
        border: none;
    
    }

</style>

<!--end custom header content for this example-->



</head>
<body id="yahoo-com" class="yui-skin-sam">

	<!--BEGIN SOURCE CODE FOR EXAMPLE =============================== -->
	
	<script type="text/javascript">

	//	"contentready" event handler for the "splitbuttonsfrommarkup" <fieldset>

	YAHOO.util.Event.onContentReady("splitbuttonsfrommarkup", function () {

		//	Create a Button using an existing <input> and <select> element.
		//	Because the "type" attribute of the <input> element was set to 
		//	"submit" - clicking on any MenuItem in the Button's Menu will
		//	automatically submit the Button's parent <form>.

		var oSplitButton1 = new YAHOO.widget.Button("splitbutton1", { type: "split", menu: "splitbutton1select" });

		//	"render" event handler for the Button's Menu

		var onMenuRender = function (p_sType, p_aArgs) {
		
			this.addItems([

				{ text: "Four", value: 4 },
				{ text: "Five", value: 5 }

			]);
			
		};

		//	Add some additional MenuItems to the Button's Menu once it has been rendered
		
		oSplitButton1.getMenu().subscribe("render", onMenuRender);

		//	"submit" event handler for the <form>
		
		var onExampleSubmit = function (p_oEvent) {

			var bSubmit = window.confirm("Are you sure you want to submit this form?");

			if(!bSubmit) {
				YAHOO.util.Event.preventDefault(p_oEvent);
			}

		};

		//	Add a "submit" event handler to the <form> to confirm that 
		//	clicking on one of the MenuItems in the Button's Menu 
		//	submits the <form>.

		YAHOO.util.Event.on("button-example-form", "submit", onExampleSubmit);



		//	"click" event handler for the Button - called when the user clicks 
		//	on the Button's text label, not when the user clicks on the area 
		//	of the Button that displays the Button's Menu.

		var onButtonClick = function () {
		
			YAHOO.log("You clicked the Button.");
			
		};

		//	Create a Button using an existing <input> and <select> element

		var oSplitButton2 = new YAHOO.widget.Button("splitbutton2", { type: "split", menu: "splitbutton2select", onclick: { fn: onButtonClick } });

		//	Click event listener for the second Button's Menu instance

		var onMenuClick = function (p_sType, p_aArgs) {

			var oEvent = p_aArgs[0],	//	DOM event
				oMenuItem = p_aArgs[1];	//	MenuItem instance that was the target of the event

			if (oMenuItem) {
				YAHOO.log("[MenuItem Properties] text: " + oMenuItem.cfg.getProperty("text") + ", value: " + oMenuItem.value);
			}

		};

		//	Add a "click" event listener for the Button's Menu

		oSplitButton2.getMenu().subscribe("click", onMenuClick);
		
		//	"option" event listener - called when the user clicks on the 
		//	area of the Button that displays its Menu.
		
		var onOption = function () {
			
			YAHOO.log("You clicked the Split Button's option area.");
			
		};

		//	Add a listener for the Button's "option" event

		oSplitButton2.on("option", onOption);

		

		// Create a Button using an existing <input> element and an Overlay instance as its menu
		var onButton3Click = function () {
		
			YAHOO.log("You clicked the Button.");
			
		};

		var oSplitButton3 = new YAHOO.widget.Button("splitbutton3", { type: "split", menu: "splitbutton3menu", onclick: { fn: onButton3Click }  });

		//	Click event listener for the third Button's Menu instance

		var onMenu3Click = function (p_sType, p_aArgs) {

			var oEvent = p_aArgs[0],	//	DOM event
				oMenuItem = p_aArgs[1];	//	MenuItem instance that was the target of the event

			if (oMenuItem) {
				YAHOO.log("[MenuItem Properties] text: " + oMenuItem.cfg.getProperty("text") + ", value: " + oMenuItem.value);
			}

		};

		//	Add a "click" event listener for the Button's Menu

		oSplitButton3.getMenu().subscribe("click", onMenu3Click);
		
		//	"option" event listener - called when the user clicks on the 
		//	area of the Button that displays its Menu.
		
		var onOption3 = function () {
			
			YAHOO.log("You clicked the Split Button's option area.");
			
		};

		//	Add a listener for the Button's "option" event

		oSplitButton3.on("option", onOption3);
	});



	//	Search for an element to place the Split Button into via the 
	//	Event Utility's "onContentReady" method

	YAHOO.util.Event.onContentReady("splitbuttonsfromjavascript", function () {

		//	Create two Buttons without using existing markup


		// Instantiate an Overlay instance

		var oOverlay = new YAHOO.widget.Overlay("splitbutton4menu", { visible: false });

		oOverlay.setBody("Split Button 4 Menu");

		// Instantiate a Split Button

		var oSplitButton4 = new YAHOO.widget.Button({ type: "split",  label: "Split Button 4", menu: oOverlay, container: this });



		//	"click" event handler for each item in the Button's Menu

		var onMenuItemClick = function (p_sType, p_aArgs, p_oItem) {
			
			var sText = p_oItem.cfg.getProperty("text");
			
			YAHOO.log("[MenuItem Properties] text: " + sText + ", value: " + p_oItem.value);

		};

		//	Create an array of YAHOO.widget.MenuItem configuration properties

		var aSplitButton5Menu = [

			{ text: "One", value: 1, onclick: { fn: onMenuItemClick } },
			{ text: "Two", value: 2, onclick: { fn: onMenuItemClick } },
			{ text: "Three", value: 3, onclick: { fn: onMenuItemClick } }

		];

		//	Instantiate a Split Button using the array of YAHOO.widget.MenuItem 
		//	configuration properties as the value for the "menu" 
		//	configuration attribute.

		var oSplitButton5 = new YAHOO.widget.Button({ type: "split",  label: "Split Button 5", name: "splitbutton5", menu: aSplitButton5Menu, container: this });
    
	});

</script>

<form id="button-example-form" name="button-example-form" method="post">

    <fieldset id="splitbuttons">

        <legend>Split Buttons</legend>

        <fieldset id="splitbuttonsfrommarkup">
            <legend>From Markup</legend>

            <input type="submit" id="splitbutton1" name="splitbutton1_button" value="Split Button 1">
            <select id="splitbutton1select" name="splitbutton1select" multiple>
                <option value="0">One</option>
                <option value="1">Two</option>
                <option value="2">Three</option>                
            </select>

            <input type="button" id="splitbutton2" name="splitbutton2_button" value="Split Button 2">
            <select id="splitbutton2select" name="splitbutton2select">
                <option value="0">One</option>
                <option value="1">Two</option>

                <option value="2">Three</option>                
            </select>

            <input type="submit" id="splitbutton3" name="splitbutton3_button" value="Split Button 3">
            <div id="splitbutton3menu" class="yui-overlay">
                <div class="bd">Split Button 3 Menu a</div>
                <div class="bd">Split Button 3 Menu b</div>
                <div class="bd">Split Button 3 Menu c</div>
            </div>

        </fieldset>
    </fieldset> 

</form>	
	<!--END SOURCE CODE FOR EXAMPLE =============================== -->
</body>
</html>

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