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fcolorpicker.js
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fcolorpicker.js
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//! FColorPicker.js
//! https://github.com/fanaiai/fcolorpicker
//! version : 1.0.0
//! authors : 范媛媛
//! create date:2019/05/14
//! update date:2019/12/06
function dynamicLoadJs(urllist) {
for (let i = 0; i < urllist.length; i++) {
let url = urllist[i];
var head = document.getElementsByTagName('head')[0];
var link = document.createElement('script');
link.src = url;
var finelurl = '<script type="text/javascript" src=' + url + '><\/script>'
document.write(finelurl)
}
}
function dynamicLoadCss(urllist) {
for (let i = 0; i < urllist.length; i++) {
let url = urllist[i];
var head = document.getElementsByTagName('head')[0];
var link = document.createElement('link');
link.type = 'text/css';
link.rel = 'stylesheet';
link.href = url;
head.appendChild(link);
}
}
var s = document.currentScript.src;
var csspath = s.substr(0, s.lastIndexOf('/') - 0);
var jslist = [csspath + "/jquery.min.js", csspath + "/lib/colorformat/colorFormat.js"]
dynamicLoadJs(jslist);
var csslist = [csspath + "/fcolorpicker.css"]
dynamicLoadCss(csslist);
(function (window) {
// var that;
var option = {
showprecolor: true,//显示预制颜色
prevcolors: [
'#EF534F', '#BA69C8', '#FFD54F', '#81C784','#7FDEEA','#90CAF9',
'#F44436', '#AB47BC', '#FFC106', '#66BB6A','#25C6DA','#4EC3F7',
'#E53934', '#9D27B0', '#FFA726', '#4CAF50','#00ACC1','#29B6F6',
'#D32E30', '#8F24AA', '#FB8C01', '#378E3C','#0097A7','#02AAF4',
'#C62928', '#7B1FA2', '#F57C02', '#2F7D31','#00838F','#029BE5',
'#B71B1C', '#6A1B9A', '#EF6C00', '#34691D','#006164','#0388D1',
'#980A0B', '#4A148C', '#E65100', '#1A5E20','#004D41','#01579B',
'#FFFFFF', '#DBDBDB', '#C4C4C4', '#979797','#606060','#000000',
],//预制颜色
showhistorycolor: true,//显示历史
historycolornum: 16,//历史条数
format: 'hsla',//rgba hex hsla
showPalette:true,//显示色盘
show:true, //初始化显示
lang:'cn'
}
function FColorPicker(options) {
// that = this;
this.btns={
"cn":["取消","确定"],
"en":["Cancel","OK"],
}
this.option = $.extend(true, {}, option, options);
if(typeof this.option.selector=='string'){
this.$el=$(this.option.selector);
}
else{
this.$el=$(this.option.selector)
}
this.initCurrentColorBox();
}
FColorPicker.prototype = {
initCurrentColorBox:function(){
var that=this;
this.curcolordom = document.createElement("div");
this.curcolordom.classList.add("fcolorpicker-curbox");
this.curcolordom.style.background=this.option.color;
this.$el.empty().append(this.curcolordom);
// console.log("初始化")
// console.log(this.curcolordom)
// this.$el[0].addEventListener("click",function(){
//
// })
this.curcolordom.onclick=function(e){
// console.log(e.target,that)
if(that.dom){
$(that.dom).remove();
that.dom=null;
}
else{
that.init();
that.setPosition()
}
// if($(that.dom).css("display")=="none"){
// $(that.dom).fadeIn();
// }
// else{
// $(that.dom).fadeOut();
// }
}
if(this.option.show){
this.init();}
// that.setPosition()
},
init: function () {
this.initDom();
this.addEvent();
this.getColorFormat(this.option.color || "#000");
if(this.option.showPalette){
this.initPalette();
this.initColorBand();
this.initOpacity();
}
else{
this.dom.querySelector(".color-palette").style.display='none'
}
this.setPrevColors();
this.getHistoryColors();
this.setPosition();
this.addPosEvent();
},
initDom: function () {
// var dom = document.createElement("div");
var html = `<div class="fcolorpicker">
<div class="color-palette">
<div class="lightness">
<div class="lightbar"></div>
</div>
<div class="hue">
<div class="huebar"></div>
</div>
<div class="opacity">
<div class="opacitybar"></div>
</div>
</div>
<!-- <p>最近使用</p>-->
<div class="color-latest fcolor-list">
</div>
<!-- <p>预置颜色</p>-->
<div class="color-recommend fcolor-list">
</div>
<div class="color-btns">
<div class="current-color"></div>
<div class="current-color-value">
<input type="text">
</div>
<div class="color-btn-group">
<a class="cancel-color">${this.btns[this.option.lang][0]}</a>
<a class="confirm-color">${this.btns[this.option.lang][1]}</a>
</div>
</div>
</div>`
// $(dom).append(html);
this.dom=$(html)[0];
$("body").append(this.dom);
this.canvasSize = {
width: $(this.dom.querySelector(".lightness")).width(),
height: $(this.dom.querySelector(".lightness")).height(),
}
this.lightbar = this.dom.querySelector(".lightbar");
this.huebar = this.dom.querySelector(".huebar");
this.opacitybar = this.dom.querySelector(".opacitybar");
// if(this.option.show){
// $(dom).show();
// }
// else{
// $(dom).find(".fcolorpicker").hide();
// }
if(!this.option.showprecolor){
$(dom).find(".color-recommend").hide();
}
if(!this.option.showhistorycolor){
$(dom).find(".color-latest").hide();
}
this.setPosition()
},
addPosEvent:function(){
var that=this;
window.addEventListener("scroll",function(){
that.setPosition();
})
window.addEventListener("resize",function(){
that.setPosition();
})
},
setPosition:function(){
// console.log(this.curcolordom.getBoundingClientRect(),document.documentElement.clientWidth,document.documentElement.clientHeight)
if(!this.dom){
return;
}
var wwidth=document.documentElement.clientWidth;
var wheight=document.documentElement.clientHeight;
var curcolordom=this.$el[0].querySelector("div")
var top=curcolordom.getBoundingClientRect().top;
var left=curcolordom.getBoundingClientRect().left;
// console.log(this.curcolordom,top)
var domwidth=$(this.dom).outerWidth();
var domheight=$(this.dom).outerHeight();
if(wwidth-left<=domwidth){
left=left-domwidth-10;
}
else{
left=left+10+curcolordom.offsetWidth;
}
if(wheight-top<domheight){
top=top-domheight-curcolordom.offsetHeight;
}
else{
top=top
}
if(top<10){
top=10
}
this.dom.style.top=top+"px";
this.dom.style.left=left+"px";
},
addHistoryColors: function () {
for (let i = 0; i < this.hiscolors.length; i++) {
if (colorFormat({color: this.hiscolors[i], format: "rgba"}).complete == this.color.rgba) {
this.hiscolors.splice(i, 1);
break;
}
}
this.hiscolors.unshift(this.color.rgba);
window.localStorage.setItem("fcolorpicker", this.hiscolors.join(";"));
this.option.onChange(this.color[this.option.format]);
this.rendHisColors();
this.setPosition();
},
getHistoryColors: function () {
// var hiscolors=window.localStorage.clear("fcolorpicker");
var hiscolors = window.localStorage.getItem("fcolorpicker");
this.hiscolors = (hiscolors || "").split(";");
this.rendHisColors();
},
rendHisColors: function () {
if (!this.option.showhistorycolor) {
return;
}
$(this.dom).find(".color-latest").empty();
for (let i = 0; i < (this.option.historycolornum < 0 ? this.hiscolors.length : this.option.historycolornum); i++) {
if (this.hiscolors[i] && this.hiscolors[i] != '') {
let html = `
<div class="color-item" style="background:${this.hiscolors[i]}" data-color="${this.hiscolors[i]}"></div>
`
$(this.dom).find(".color-latest").append(html);
}
}
},
setPrevColors: function () {
if (!this.option.showprecolor) {
return;
}
for (let i = 0; i < this.option.prevcolors.length; i++) {
let html = `
<div class="color-item" style="background:${this.option.prevcolors[i]}" data-color="${this.option.prevcolors[i]}"></div>
`
$(this.dom).find(".color-recommend").append(html);
}
},
addEvent: function () {
var t = null;
var that=this;
this.dom.querySelector(".current-color-value input").addEventListener("change", function (e) {
that.getColorFormat(that.dom.querySelector(".current-color-value input").value);
that.fillOpacity();
that.fillPalette();
that.addHistoryColors();
return;
})
var startpos={
top:0,
left:0,
bartop:0
}
that.dom.addEventListener("mousedown", function (e) {
var $t = $(e.target);
if ($t.hasClass("color-item")) {
that.getColorFormat($t.attr("data-color"));
that.fillOpacity();
that.fillPalette();
that.addHistoryColors();
return;
}
if ($t.hasClass("cancel-color")) {
that.getColorFormat(that.option.color);
that.fillOpacity();
that.fillPalette();
that.option.onCancel(that.color[that.option.format]);
$(that.dom).fadeOut();
$(that.dom).remove();
that.dom=null;
return;
}
if ($t.hasClass("confirm-color")) {
that.addHistoryColors();
that.option.onConfirm(that.color[that.option.format]);
that.option.color=that.color[that.option.format];
$(that.dom).fadeOut();
$(that.dom).remove();
that.dom=null;
return;
}
t = null;
if ($t.parents(".lightness").length > 0) {
t = 'lightness';
}
if ($t.parents(".hue").length > 0) {
t = 'hue';
var changeY=e.offsetY*100/that.canvasSize.height;
that.huebar.style.top = changeY + '%';
startpos.bartop=parseFloat(that.huebar.style.top);
}
if ($t.parents(".opacity").length > 0) {
t = 'opacity';
var changeY=e.offsetY*100/that.canvasSize.height;
that.opacitybar.style.top = changeY + '%';
startpos.bartop=parseFloat(that.opacitybar.style.top);
}
startpos.x=e.clientX;
startpos.y=e.clientY;
that.changeColor(t, e,null);
that.option.onChange(that.color[that.option.format]);
})
this.dom.addEventListener("mousemove", function (e) {
// if ($(e.target).parents("." + t).length > 0) {
that.changeColor(t, e,startpos);
that.option.onChange(that.color[that.option.format]);
// }
})
document.addEventListener("mouseup", function (e) {
t = null;
})
document.addEventListener("click", function (e) {
if(e.target!=that.dom && $(e.target).parents(".fcolorpicker")[0]!=that.dom && $(e.target)[0] != that.curcolordom){
that.getColorFormat(that.option.color);
that.fillOpacity();
that.fillPalette();
that.option.onCancel(that.color[that.option.format]);
$(that.dom).fadeOut();
$(that.dom).remove();
that.dom=null;
}
})
},
changeColor: function (t, e,startpos) {
if (!t) {
return;
}
var x = e.offsetX;
var y = e.offsetY;
var imageData = this['ctx' + t].getImageData(x, y, 1, 1).data;
if(startpos){
var changeY=(e.clientY-startpos.y)*100/this.canvasSize.height+startpos.bartop;
if(changeY>99.99){
return;
}
if(changeY<0){
changeY=0;
}
}
else{
changeY=e.offsetY*100/this.canvasSize.height;
}
switch (t) {
case 'hue':
this.huebar.style.top = changeY + '%';
color = 'hsla(' + (changeY*360/100) + ',' + this.color.hslav[1] + '%,' + this.color.hslav[2] + '%,' + this.color.hslav[3] + ')';
break;
case 'lightness':
// console.log(x,y)
if(x<0){
x=0;
}
if(y<0){
y=0;
}
color = 'rgba(' + imageData[0] + ',' + imageData[1] + ',' + imageData[2] + ',' + this.color.rgbav[3] + ')';
this.lightbar.style.top = y + 'px';
this.lightbar.style.left = x + 'px';
break;
case 'opacity':
this.opacitybar.style.top = changeY + '%';
color = 'rgba(' + this.color.rgbav[0] + ',' + this.color.rgbav[1] + ',' + this.color.rgbav[2] + ',' + (100-changeY)/100 + ')';
break;
}
this.getColorFormat(color);
if (t == 'hue') {
this.fillOpacity();
this.fillPalette();
}
this.setPosition()
// console.log(color)
},
initColorBand: function () {
var canvas = document.createElement("canvas");
this.ctxhue = canvas.getContext("2d");
canvas.width = 10;
canvas.height = this.canvasSize.height;
this.dom.querySelector(".color-palette .hue").append(canvas)
this.ctxhue.rect(0, 0, 10, this.canvasSize.height);
var grd1 = this.ctxhue.createLinearGradient(0, 0, 0, this.canvasSize.height);
grd1.addColorStop(0, 'rgba(255, 0, 0, 1)');
grd1.addColorStop(0.17, 'rgba(255, 255, 0, 1)');
grd1.addColorStop(0.34, 'rgba(0, 255, 0, 1)');
grd1.addColorStop(0.51, 'rgba(0, 255, 255, 1)');
grd1.addColorStop(0.68, 'rgba(0, 0, 255, 1)');
grd1.addColorStop(0.85, 'rgba(255, 0, 255, 1)');
grd1.addColorStop(1, 'rgba(255, 0, 0, 1)');
this.ctxhue.fillStyle = grd1;
this.ctxhue.fill();
},
initOpacity: function () {
var canvas = document.createElement("canvas");
this.ctxopacity = canvas.getContext("2d");
canvas.width = 10;
canvas.height = this.canvasSize.height;
this.dom.querySelector(".color-palette .opacity").append(canvas)
this.fillOpacity();
},
fillOpacity: function () {
this.ctxopacity.clearRect(0, 0, 10, this.canvasSize.height)
var grdWhite = this.ctxlightness.createLinearGradient(0, 0, 10, this.canvasSize.height);
grdWhite.addColorStop(0, 'rgba(' + this.color.rgbav[0] + ',' + this.color.rgbav[1] + ',' + this.color.rgbav[2] + ',1)');
grdWhite.addColorStop(1, 'rgba(' + this.color.rgbav[0] + ',' + this.color.rgbav[1] + ',' + this.color.rgbav[2] + ',0)');
this.ctxopacity.fillStyle = grdWhite;
this.ctxopacity.fillRect(0, 0, 10, this.canvasSize.height);
},
initPalette: function () {
this.canvas = document.createElement("canvas");
this.ctxlightness = this.canvas.getContext("2d");
this.canvas.width = this.canvasSize.width;
this.canvas.height = this.canvasSize.height;
this.dom.querySelector(".color-palette .lightness").append(this.canvas)
this.fillPalette();
},
fillPalette() {
this.ctxlightness.fillStyle = "hsla("+this.color.hslav[0]+",100%,50%,1)";
var width1 = this.canvasSize.width;
var height1 = this.canvasSize.height;
this.ctxlightness.fillRect(0, 0, width1, height1);
var grdWhite = this.ctxlightness.createLinearGradient(0, 0, width1, 0);
grdWhite.addColorStop(0, 'rgba(255,255,255,1)');
grdWhite.addColorStop(1, 'rgba(255,255,255,0)');
this.ctxlightness.fillStyle = grdWhite;
this.ctxlightness.fillRect(0, 0, width1, height1);
var grdBlack = this.ctxlightness.createLinearGradient(0, 0, 0, height1);
grdBlack.addColorStop(0, 'rgba(0,0,0,0)');
grdBlack.addColorStop(1, 'rgba(0,0,0,1)');
this.ctxlightness.fillStyle = grdBlack;
this.ctxlightness.fillRect(0, 0, width1, height1);
},
setColor:function(color){
this.option.color=color;
this.getColorFormat(color)
},
getColor:function(color){
return this.color;
},
getColorFormat: function (color1) {
if(color1.indexOf("rgb")<0 && color1.indexOf("#")<0 && color1.indexOf("hsl")<0){
color1='rgba(0,0,0,0)'
}
var color = {
"rgba": colorFormat({color: color1, format: "rgba"}).complete,
"hsla": colorFormat({color: color1, format: "hsla"}).complete,
"hex": colorFormat({color: color1, format: "hex"}).complete,
};
if ((!color.rgba || color.rgba.indexOf("NaN") > -1) ) {
if(this.dom){
this.dom.querySelector(".current-color-value input").value = this.color[this.option.format];
return;}
else{
return;
}
}
this.color = color;
// console.log(color)
// console.log(color1,colorFormat({color: 'hsla(133.95348837209303,0%,20%,1)', format: "hsla"}).complete)
this.color.rgbav = this.color.rgba.slice(5, this.color.rgba.indexOf(')')).split(",")
this.color.hslav = this.color.hsla.slice(5, this.color.hsla.indexOf(')')).split(",").map(function (ele) {
if (ele.indexOf("%") > -1) {
return ele.slice(0, ele.indexOf("%"))
} else {
return ele;
}
})
this.curcolordom.style.background=this.color.rgba;
if(!this.dom){
return;
}
this.dom.querySelector(".current-color").style.background = this.color.rgba;
this.dom.querySelector(".current-color-value input").value = this.color[this.option.format];
this.setBarPos();
},
setBarPos: function () {
this.opacitybar.style.top = (1 - this.color.rgbav[3]) * 100 + "%";
if(parseFloat(this.color.hslav[1])!=0){
this.huebar.style.top = (this.color.hslav[0]*100)/360 + "%";}
},
$copy : function(text) {
// if (text.indexOf('-') !== -1) {
// let arr = text.split('-');
// text = arr[0] + arr[1];
// }
var textArea = document.createElement("textarea");
textArea.style.position = 'fixed';
textArea.style.top = '0';
textArea.style.left = '0';
textArea.style.width = '2em';
textArea.style.height = '2em';
textArea.style.padding = '0';
textArea.style.border = 'none';
textArea.style.outline = 'none';
textArea.style.boxShadow = 'none';
textArea.style.background = 'transparent';
textArea.value = text;
document.body.appendChild(textArea);
textArea.select();
try {
var successful = document.execCommand('copy');
var msg = successful ? '成功复制到剪贴板' : '该浏览器不支持点击复制到剪贴板';
layer.msg(msg,{skin:"suclayer"});
} catch (err) {
layer.msg('该浏览器不支持点击复制到剪贴板',{skin:"errorlayer"});
}
document.body.removeChild(textArea);
}
}
window.FColorPicker = FColorPicker;
})(window)