Documentation
The ColorBox is a widget that allows an end user to enter a color or pick it out from the drop-down editor.
window.onload = function() {
var currentColor = ko.observable("#f05b41");
var viewModel = {
currentColor: currentColor,
colorBoxSimple: {
value: "#f05b41"
},
colorBoxDisabled: {
value: "#f05b41",
disabled: true
},
colorBoxReadOnly: {
value: "#f05b41",
readOnly: true
},
colorBoxEditButtonText: {
value: "#f05b41",
applyButtonText: "Apply",
cancelButtonText: "Decline"
},
colorBoxEditAlphaChannel: {
value: "#f05b41",
editAlphaChannel: true
},
colorBoxWithChangeValue: {
value: currentColor,
applyValueMode: "instantly"
}
};
ko.applyBindings(viewModel, document.getElementById("color-box-demo"));
};
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>DevExtreme Demo</title>
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0" />
<script src="js/jquery-3.1.0.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/knockout/3.4.0/knockout-min.js"></script>
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/17.1.6/css/dx.spa.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/17.1.6/css/dx.common.css" />
<link rel="dx-theme" data-theme="generic.light" href="https://cdn3.devexpress.com/jslib/17.1.6/css/dx.light.css" />
<script src="https://cdn3.devexpress.com/jslib/17.1.6/js/dx.all.js"></script>
<link rel="stylesheet" type ="text/css" href ="styles.css" />
<script src="index.js"></script>
</head>
<body class="dx-viewport">
<div class="demo-container">
<div id="color-box-demo">
<div class="form">
<div class="dx-fieldset">
<div class="dx-field">
<div class="dx-field-label">Default mode</div>
<div class="dx-field-value">
<div data-bind="dxColorBox: colorBoxSimple"></div>
</div>
</div>
<div class="dx-field">
<div class="dx-field-label">Disabled</div>
<div class="dx-field-value">
<div data-bind="dxColorBox: colorBoxDisabled"></div>
</div>
</div>
<div class="dx-field">
<div class="dx-field-label">Read only</div>
<div class="dx-field-value">
<div data-bind="dxColorBox: colorBoxReadOnly"></div>
</div>
</div>
<div class="dx-field">
<div class="dx-field-label">Custom button captions</div>
<div class="dx-field-value">
<div data-bind="dxColorBox: colorBoxEditButtonText"></div>
</div>
</div>
<div class="dx-field">
<div class="dx-field-label">With alpha channel editing</div>
<div class="dx-field-value">
<div data-bind="dxColorBox: colorBoxEditAlphaChannel"></div>
</div>
</div>
</div>
<div class="dx-fieldset">
<div class="dx-fieldset-header">Event Handling</div>
<div class="hero-block">
<div class="color-block" data-bind="style: { backgroundColor: currentColor}">
<div class="superhero"></div>
</div>
<div class="hero-color-box">
<div data-bind="dxColorBox: colorBoxWithChangeValue"></div>
</div>
</div>
</div>
</div>
</div>
</div>
</body>
</html>
.form {
min-height: 690px;
}
.form .dx-field-value {
text-align: right;
}
.dx-fieldset-header {
padding: 10px 0;
}
.color-block {
width: 360px;
height: 254px;
background-color: #f05b41;
position: relative;
}
.hero-color-box{
position: absolute;
right: 0;
left: 400px;
top: 110px;
}
.color-block .superhero{
position: absolute;
height: 100%;
width: 100%;
}
.hero-block {
position: relative;
}
.superhero {
background-image: url(../../../../images/hero_white.png);
}
.dx-color-scheme-dark .superhero {
background-image: url(../../../../images/hero_black.png);
}
.dx-color-scheme-contrast .superhero {
background-image: url(../../../../images/hero_contrast.png);
}