Render a Color Picker into the Menu of a Split Button
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<title>Color Picker Button</title>
<style type="text/css">
/*margin and padding on body element
can introduce errors in determining
element position and are not recommended;
we turn them off as a foundation for YUI
CSS treatments. */
body {
margin:0;
padding:0;
}
</style>
<link rel="stylesheet" type="text/css" href="yui_2.7.0b-lib/slider/assets/skins/sam/slider.css" />
<link rel="stylesheet" type="text/css" href="yui_2.7.0b-lib/fonts/fonts-min.css" />
<link rel="stylesheet" type="text/css" href="yui_2.7.0b-lib/colorpicker/assets/skins/sam/colorpicker.css" />
<link rel="stylesheet" type="text/css" href="yui_2.7.0b-lib/menu/assets/skins/sam/menu.css" />
<link rel="stylesheet" type="text/css" href="yui_2.7.0b-lib/button/assets/skins/sam/button.css" />
<script type="text/javascript" src="yui_2.7.0b-lib/yahoo-dom-event/yahoo-dom-event.js"></script>
<script type="text/javascript" src="yui_2.7.0b-lib/dragdrop/dragdrop-min.js"></script>
<script type="text/javascript" src="yui_2.7.0b-lib/slider/slider-min.js"></script>
<script type="text/javascript" src="yui_2.7.0b-lib/element/element-min.js"></script>
<script type="text/javascript" src="yui_2.7.0b-lib/colorpicker/colorpicker-min.js"></script>
<script type="text/javascript" src="yui_2.7.0b-lib/container/container_core-min.js"></script>
<script type="text/javascript" src="yui_2.7.0b-lib/menu/menu-min.js"></script>
<script type="text/javascript" src="yui_2.7.0b-lib/button/button-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-container {
padding: .5em;
}
#color-picker-button {
vertical-align: baseline;
}
#color-picker-button button {
outline: none; /* Safari */
line-height: 1.5;
}
/*
Style the Button instance's label as a square whose background color
represents the current value of the ColorPicker instance.
*/
#current-color {
display: block;
display: inline-block;
*display: block; /* For IE */
margin-top: .5em;
*margin: .25em 0; /* For IE */
width: 1em;
height: 1em;
overflow: hidden;
text-indent: 1em;
background-color: #fff;
white-space: nowrap;
border: solid 1px #000;
}
/* Hide default colors for the ColorPicker instance. */
#color-picker-container .yui-picker-controls,
#color-picker-container .yui-picker-swatch,
#color-picker-container .yui-picker-websafe-swatch {
display: none;
}
/*
Size the body element of the Menu instance to match the dimensions of
the ColorPicker instance.
*/
#color-picker-menu .bd {
width: 220px;
height: 190px;
}
#photo {
background: #fff url(yui_2.7.0b-assets/button-assets/ggbridge.png) top left no-repeat;
/*
Hide the alpha PNG from IE 6 and make the background image transparent via the use of
the AlphaImageLoader that is applied by the filter property.
*/
_background-image: none;
_filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src='yui_2.7.0b-assets/button-assets/ggbridge.png', sizingMethod='image');;
border: solid 1px #000;
width: 400px;
height: 300px;
_width: 398px; /* For IE 6 */
_height: 298px; /* For IE 6 */
}
#button-container {
border-top: solid 1px #000;
padding: .5em .25em;
margin-top: .5em;
}
</style>
<!--end custom header content for this example-->
</head>
<body class=" yui-skin-sam">
<h1>Color Picker Button</h1>
<div class="exampleIntro">
<p>
This example demonstrates how to render a Color Picker into the Menu of a Split Button.
Use the Color Picker Button below to create a duotone by selecting the background color
that should be applied to the image.
</p>
</div>
<!--BEGIN SOURCE CODE FOR EXAMPLE -->
<script type="text/javascript">
YAHOO.util.Event.onContentReady("button-container", function () {
function onButtonOption() {
/*
Create a new ColorPicker instance, placing it inside the body
element of the Menu instance.
*/
var oColorPicker = new YAHOO.widget.ColorPicker(oColorPickerMenu.body.id, {
showcontrols: false,
images: {
PICKER_THUMB: "yui_2.7.0b-lib/colorpicker/assets/picker_thumb.png",
HUE_THUMB: "yui_2.7.0b-lib/colorpicker/assets/hue_thumb.png"
}
});
/*
Add a listener for the ColorPicker instance's "rgbChange" event
to update the background color and text of the Button's
label to reflect the change in the value of the ColorPicker.
*/
oColorPicker.on("rgbChange", function (p_oEvent) {
var sColor = "#" + this.get("hex");
oButton.set("value", sColor);
YAHOO.util.Dom.setStyle("current-color", "backgroundColor", sColor);
YAHOO.util.Dom.get("current-color").innerHTML = "Current color is " + sColor;
});
// Remove this event listener so that this code runs only once
this.unsubscribe("option", onButtonOption);
}
// Create a Menu instance to house the ColorPicker instance
var oColorPickerMenu = new YAHOO.widget.Menu("color-picker-menu");
// Create a Button instance of type "split"
var oButton = new YAHOO.widget.Button({
type: "split",
id: "color-picker-button",
label: "<em id=\"current-color\">Current color is #FFFFFF.</em>",
menu: oColorPickerMenu,
container: "button-container" });
oButton.on("appendTo", function () {
/*
Create an empty body element for the Menu instance in order to
reserve space to render the ColorPicker instance into.
*/
oColorPickerMenu.setBody(" ");
oColorPickerMenu.body.id = "color-picker-container";
// Render the Menu into the Button instance's parent element
oColorPickerMenu.render(this.get("container"));
});
/*
Add a listener for the "option" event. This listener will be
used to defer the creation the ColorPicker instance until the
first time the Button's Menu instance is requested to be displayed
by the user.
*/
oButton.on("option", onButtonOption);
/*
Add a listener for the "click" event. This listener will be used to apply the
the background color to the photo.
*/
oButton.on("click", function () {
YAHOO.util.Dom.setStyle("photo", "backgroundColor", this.get("value"));
});
});
</script>
<div id="photo"></div>
<div id="button-container"><label for="color-picker-button">Background Color: </label></div>
<!--END SOURCE CODE FOR EXAMPLE -->
</body>
</html>
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