styling checkbox com texto

Davide Ricardo · Maio 19, 2011

Viva pessoal.

Por acaso sabem, como colocar uma checkbox a funcionar como se tratasse de um botao tipo submit?

E quando esta fica no estado checked tinha outra imagem de fundo, com tal texto por cima. (este texto vem da bd)

Já vi exemplos (ex: http://ryanfait.com/resources/custom-checkboxes-and-radio-buttons/), para mexer somente no quadrado. Mas na realidade eu pretendo tudo mesmo.

Se puderem ajudar ;)

Obrigado.

Justin Bieber · Maio 20, 2011

Submit:

<input type="checkbox" name="salvar" id="salvar" value="" onclick="document.getElementById("ID_FORM").submit()" />

Imagem: (complicado)

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>
<script type="text/javascript">
var checkboxHeight = "25";
var radioHeight = "25";
var selectWidth = "190";


document.write('<style type="text/css">input.styled { display: none; } select.styled { position: relative; width: ' + selectWidth + 'px; opacity: 0; filter: alpha(opacity=0); z-index: 5; } .disabled { opacity: 0.5; filter: alpha(opacity=50); }</style>');

var Custom = {
init: function() {
	var inputs = document.getElementsByTagName("input"), span = Array(), textnode, option, active;
	for(a = 0; a < inputs.length; a++) {
		if((inputs[a].type == "checkbox" || inputs[a].type == "radio") && inputs[a].className == "styled") {
			span[a] = document.createElement("span");
			span[a].className = inputs[a].type;

			if(inputs[a].checked == true) {
				if(inputs[a].type == "checkbox") {
					position = "0 -" + (checkboxHeight*2) + "px";
					span[a].style.backgroundPosition = position;
				} else {
					position = "0 -" + (radioHeight*2) + "px";
					span[a].style.backgroundPosition = position;
				}
			}
			inputs[a].parentNode.insertBefore(span[a], inputs[a]);
			inputs[a].onchange = Custom.clear;
			if(!inputs[a].getAttribute("disabled")) {
				span[a].onmousedown = Custom.pushed;
				span[a].onmouseup = Custom.check;
			} else {
				span[a].className = span[a].className += " disabled";
			}
		}
	}
	inputs = document.getElementsByTagName("select");
	for(a = 0; a < inputs.length; a++) {
		if(inputs[a].className == "styled") {
			option = inputs[a].getElementsByTagName("option");
			active = option[0].childNodes[0].nodeValue;
			textnode = document.createTextNode(active);
			for(b = 0; b < option.length; b++) {
				if(option[b].selected == true) {
					textnode = document.createTextNode(option[b].childNodes[0].nodeValue);
				}
			}
			span[a] = document.createElement("span");
			span[a].className = "select";
			span[a].id = "select" + inputs[a].name;
			span[a].appendChild(textnode);
			inputs[a].parentNode.insertBefore(span[a], inputs[a]);
			if(!inputs[a].getAttribute("disabled")) {
				inputs[a].onchange = Custom.choose;
			} else {
				inputs[a].previousSibling.className = inputs[a].previousSibling.className += " disabled";
			}
		}
	}
	document.onmouseup = Custom.clear;
},
pushed: function() {
	element = this.nextSibling;
	if(element.checked == true && element.type == "checkbox") {
		this.style.backgroundPosition = "0 -" + checkboxHeight*3 + "px";
	} else if(element.checked == true && element.type == "radio") {
		this.style.backgroundPosition = "0 -" + radioHeight*3 + "px";
	} else if(element.checked != true && element.type == "checkbox") {
		this.style.backgroundPosition = "0 -" + checkboxHeight + "px";
	} else {
		this.style.backgroundPosition = "0 -" + radioHeight + "px";
	}
},
check: function() {
	element = this.nextSibling;
	if(element.checked == true && element.type == "checkbox") {
		this.style.backgroundPosition = "0 0";
		element.checked = false;
	} else {
		if(element.type == "checkbox") {
			this.style.backgroundPosition = "0 -" + checkboxHeight*2 + "px";
		} else {
			this.style.backgroundPosition = "0 -" + radioHeight*2 + "px";
			group = this.nextSibling.name;
			inputs = document.getElementsByTagName("input");
			for(a = 0; a < inputs.length; a++) {
				if(inputs[a].name == group && inputs[a] != this.nextSibling) {
					inputs[a].previousSibling.style.backgroundPosition = "0 0";
				}
			}
		}
		element.checked = true;
	}
},
clear: function() {
	inputs = document.getElementsByTagName("input");
	for(var b = 0; b < inputs.length; b++) {
		if(inputs[b].type == "checkbox" && inputs[b].checked == true && inputs[b].className == "styled") {
			inputs[b].previousSibling.style.backgroundPosition = "0 -" + checkboxHeight*2 + "px";
		} else if(inputs[b].type == "checkbox" && inputs[b].className == "styled") {
			inputs[b].previousSibling.style.backgroundPosition = "0 0";
		} else if(inputs[b].type == "radio" && inputs[b].checked == true && inputs[b].className == "styled") {
			inputs[b].previousSibling.style.backgroundPosition = "0 -" + radioHeight*2 + "px";
		} else if(inputs[b].type == "radio" && inputs[b].className == "styled") {
			inputs[b].previousSibling.style.backgroundPosition = "0 0";
		}
	}
},
choose: function() {
	option = this.getElementsByTagName("option");
	for(d = 0; d < option.length; d++) {
		if(option[d].selected == true) {
			document.getElementById("select" + this.name).childNodes[0].nodeValue = option[d].childNodes[0].nodeValue;
		}
	}
}
}
window.onload = Custom.init;
</script>
<style type="text/css">
.checkbox {
width: 19px;
height: 25px;
padding: 0 5px 0 0;
background: url(checkbox.png) no-repeat;
display: block;
clear: left;
float: left;
}
</style>
</head>

<body>
<input type="checkbox" class="styled" />
</body>
</html>

http://ryanfait.com/resources/custom-checkboxes-and-radio-buttons/checkbox.png

Baixe essa imagem.

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