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index.js
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index.js
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var convert = {
checkRgb : function(str) {
if (str.length != 0) {
var rgb = Number(str);
if (rgb != NaN && rgb >= 0 && rgb <= 255) {
return rgb;
} else {
return false;
}
} else {
return -1;
}
},
checkHex : function(str) {
if (str.length != 0) {
var reg = new RegExp('^[0-9A-Fa-f]{1,2}$');
if (reg.test(str)) {
return str;
} else {
return false;
}
} else {
return -1;
}
},
dec2Hex : function(num) {
var str = num.toString(16);
if (str.length == 1) {
var hex = '0' + str;
} else {
hex = str;
}
return hex.toUpperCase();
},
hex2Dec : function(str) {
if(str.length == 1){
str += str;
}
var str = Number('0x00000' + str);
var rgb = str.toString(10);
return rgb;
}
}
var dom = {
hasClass : function(el, name) {
return new RegExp('(\\s|^)'+name+'(\\s|$)').test(el.className);
},
getInput : function(id) {
return document.getElementById(id).value;
},
setInput : function(id, str) {
document.getElementById(id).value = str;
},
clearInput : function() {
var inputs = document.getElementsByClassName('input');
for (var i = 0; i < inputs.length; i++){
dom.setInput(inputs[i].getAttribute("id"), "");
}
},
alert : function(str, duration) {
if (duration === undefined) {
var alert = document.getElementById("alert");
alert.innerHTML = str;
alert.setAttribute("style", "display:block");
} else {
window.setTimeout(function() {
var alert = document.getElementById("alert");
alert.innerHTML = str;
alert.setAttribute("style", "display:block");
}, duration)
}
},
deAlert : function() {
var alert = document.getElementById("alert");
alert.innerHTML = "";
alert.setAttribute("style", "display:none");
}
};
var tool = {
init : function(){
var _gaq = _gaq || [];
_gaq.push(['_setAccount', 'UA-48130746-1']);
_gaq.push(['_trackPageview']);
(function() {
var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
ga.src = 'https://ssl.google-analytics.com/ga.js';
var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
})();
tool.bindEvent();
},
bindEvent : function() {
document.getElementById("input1").onkeyup = tool.cope;
document.getElementById("input2").onkeyup = tool.cope;
document.getElementById("input3").onkeyup = tool.cope;
document.getElementById("input4").onkeyup = tool.cope;
document.getElementById("input5").onkeyup = tool.cope;
document.getElementById("input6").onkeyup = tool.cope;
document.getElementById("rgb").onclick = dom.clearInput;
document.getElementById("hex").onclick = dom.clearInput;
},
cope : function() {
var id = this.getAttribute("id");
var str = dom.getInput(id);
if(dom.hasClass(this, "rgb-e")){
var rgb = convert.checkRgb(str);
var no = Number(id.slice(-1)) + 3;
if (rgb !== false && rgb != -1) {
dom.deAlert();
var hex = convert.dec2Hex(rgb);
dom.setInput("input" + no, hex);
} else if (rgb == -1) {
dom.setInput("input" + no, "");
} else {
dom.alert("the rgb value should be 0-255.");
dom.setInput("input" + no, "");
}
} else {
var hex = convert.checkHex(str);
var no = Number(id.slice(-1)) - 3;
if (hex !== false && hex != -1) {
dom.deAlert();
var rgb = convert.hex2Dec(hex);
dom.setInput("input" + no, rgb);
} else if (hex == -1) {
dom.setInput("input" + no, "");
} else {
dom.alert("the hex value should be 00-FF.");
dom.setInput("input" + no, "");
}
}
}
}
tool.init();