linear-gradient generator
HTML Content
<div id="container"> <div id="gradient-container" data-alpha="true"> </div> <div id="controls"> <div class="section"> <div class="title"> Active point </div> <div class="property"> <div class="ui-input-slider" data-topic="point-position" data-info="position" data-unit="px" data-min="-1000" data-value="0" data-max="1000" data-sensivity="5"></div> <div id="delete-point" class="button"> delete point </div> </div> <div class="ui-color-picker" data-topic="picker"></div> </div> <div class="section"> <div class="title"> Active axis </div> <div class="property"> <div class="name"> axis unit </div> <div class="ui-dropdown" data-topic="axis-unit" data-selected="1"> <div data-value='px'> pixels (px) </div> <div data-value='%'> percentage (%) </div> </div> <div id="delete-axis" class="button"> delete line </div> </div> <div class="property"> <div class="ui-slider" data-topic="axis-rotation" data-info="rotation" data-min="-180" data-value="0" data-max="180"></div> </div> </div> <div id="tool-section" class="section"> <div class="title"> Tool settings </div> <div class="property"> <div class="name"> alpha background </div> <div id="canvas-bg"></div> <div id="add-axis" class="button"> add line </div> </div> <div id="order"> <div id="gradient-axes"></div> <div id="gradient-order"></div> </div> </div> </div> <div id="output"> <div class="css-property"> <span class="property">background:</span> <span class="value"></span> </div> </div> </div>
CSS Content
/*
* COLOR PICKER TOOL
*/
.ui-color-picker {
width: 420px;
margin: 0;
border: 1px solid #DDD;
background-color: #FFF;
display: table;
-moz-user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
user-select: none;
}
.ui-color-picker .picking-area {
width: 198px;
height: 198px;
margin: 5px;
border: 1px solid #DDD;
position: relative;
float: left;
display: table;
}
.ui-color-picker .picking-area:hover {
cursor: default;
}
/* HSV format - Hue-Saturation-Value(Brightness) */
.ui-color-picker .picking-area {
background: url("images/picker_mask.png");
background: -moz-linear-gradient(bottom, #000 0%, rgba(0, 0, 0, 0) 100%),
-moz-linear-gradient(left, #FFF 0%, rgba(255, 255, 255, 0) 100%);
background: -webkit-linear-gradient(bottom, #000 0%, rgba(0, 0, 0, 0) 100%),
-webkit-linear-gradient(left, #FFF 0%, rgba(255, 255, 255, 0) 100%);
background: -ms-linear-gradient(bottom, #000 0%, rgba(0, 0, 0, 0) 100%),
-ms-linear-gradient(left, #FFF 0%, rgba(255, 255, 255, 0) 100%);
background: -o-linear-gradient(bottom, #000 0%, rgba(0, 0, 0, 0) 100%),
-o-linear-gradient(left, #FFF 0%, rgba(255, 255, 255, 0) 100%);
background-color: #F00;
}
/* HSL format - Hue-Saturation-Lightness */
.ui-color-picker[data-mode='HSL'] .picking-area {
background: -moz-linear-gradient(top, hsl(0, 0%, 100%) 0%, hsla(0, 0%, 100%, 0) 50%,
hsla(0, 0%, 0%, 0) 50%, hsl(0, 0%, 0%) 100%),
-moz-linear-gradient(left, hsl(0, 0%, 50%) 0%, hsla(0, 0%, 50%, 0) 100%);
background: -webkit-linear-gradient(top, hsl(0, 0%, 100%) 0%, hsla(0, 0%, 100%, 0) 50%,
hsla(0, 0%, 0%, 0) 50%, hsl(0, 0%, 0%) 100%),
-webkit-linear-gradient(left, hsl(0, 0%, 50%) 0%, hsla(0, 0%, 50%, 0) 100%);
background: -ms-linear-gradient(top, hsl(0, 0%, 100%) 0%, hsla(0, 0%, 100%, 0) 50%,
hsla(0, 0%, 0%, 0) 50%, hsl(0, 0%, 0%) 100%),
-ms-linear-gradient(left, hsl(0, 0%, 50%) 0%, hsla(0, 0%, 50%, 0) 100%);
background: -o-linear-gradient(top, hsl(0, 0%, 100%) 0%, hsla(0, 0%, 100%, 0) 50%,
hsla(0, 0%, 0%, 0) 50%, hsl(0, 0%, 0%) 100%),
-o-linear-gradient(left, hsl(0, 0%, 50%) 0%, hsla(0, 0%, 50%, 0) 100%);
background-color: #F00;
}
.ui-color-picker .picker {
width: 10px;
height: 10px;
margin: -5px 0 0 -5px;
border-radius: 50%;
border: 1px solid #FFF;
position: absolute;
top: 45%;
left: 45%;
}
.ui-color-picker .picker:before {
width: 8px;
height: 8px;
content: "";
position: absolute;
border: 1px solid #999;
border-radius: 50%;
}
.ui-color-picker .hue,
.ui-color-picker .alpha {
width: 198px;
height: 28px;
margin: 5px;
border: 1px solid #FFF;
float: left;
}
.ui-color-picker .hue {
background: url("images/hue_mask.png");
background: -moz-linear-gradient(left, #F00 0%, #FF0 16.66%, #0F0 33.33%, #0FF 50%,
#00F 66.66%, #F0F 83.33%, #F00 100%);
background: -webkit-linear-gradient(left, #F00 0%, #FF0 16.66%, #0F0 33.33%, #0FF 50%,
#00F 66.66%, #F0F 83.33%, #F00 100%);
background: -ms-linear-gradient(left, #F00 0%, #FF0 16.66%, #0F0 33.33%, #0FF 50%,
#00F 66.66%, #F0F 83.33%, #F00 100%);
background: -o-linear-gradient(left, #F00 0%, #FF0 16.66%, #0F0 33.33%, #0FF 50%,
#00F 66.66%, #F0F 83.33%, #F00 100%);
}
.ui-color-picker .alpha {
border: 1px solid #CCC;
background: url("images/alpha_mask.png");
}
.ui-color-picker .slider-picker {
width: 2px;
height: 100%;
margin: 0 0 0 -2px;
border: 1px solid #777;
background-color: #FFF;
position: relative;
top: -1px;
}
/* input HSV and RGB */
.ui-color-picker .info {
width: 200px;
margin: 5px;
float: left;
}
.ui-color-picker .info * {
float: left;
}
.ui-color-picker .input {
width: 64px;
margin: 5px 2px;
float: left;
}
.ui-color-picker .input .name {
height: 20px;
width: 30px;
text-align: center;
font-size: 14px;
line-height: 18px;
float: left;
}
.ui-color-picker .input input {
width: 30px;
height: 18px;
margin: 0;
padding: 0;
border: 1px solid #DDD;
text-align: center;
float: right;
-moz-user-select: text;
-webkit-user-select: text;
-ms-user-select: text;
}
.ui-color-picker .input[data-topic="lightness"] {
display: none;
}
.ui-color-picker[data-mode='HSL'] .input[data-topic="value"] {
display: none;
}
.ui-color-picker[data-mode='HSL'] .input[data-topic="lightness"] {
display: block;
}
.ui-color-picker .input[data-topic="alpha"] {
margin-top: 10px;
width: 93px;
}
.ui-color-picker .input[data-topic="alpha"] > .name {
width: 60px;
}
.ui-color-picker .input[data-topic="alpha"] > input {
float: right;
}
.ui-color-picker .input[data-topic="hexa"] {
width: auto;
float: right;
margin: 6px 8px 0 0;
}
.ui-color-picker .input[data-topic="hexa"] > .name {
display: none;
}
.ui-color-picker .input[data-topic="hexa"] > input {
width: 90px;
height: 24px;
padding: 2px 0;
-moz-box-sizing: border-box;
-webkit-box-sizing: border-box;
box-sizing: border-box;
}
/* Preview color */
.ui-color-picker .preview {
width: 95px;
height: 53px;
margin: 5px;
margin-top: 10px;
border: 1px solid #DDD;
background-image: url("images/alpha.png");
float: left;
position: relative;
}
.ui-color-picker .preview:before {
height: 100%;
width: 50%;
left: 50%;
top: 0;
content: "";
background: #FFF;
position: absolute;
z-index: 1;
}
.ui-color-picker .preview-color {
width: 100%;
height: 100%;
background-color: rgba(255, 0, 0, 0.5);
position: absolute;
z-index: 1;
}
.ui-color-picker .switch_mode {
width: 10px;
height: 20px;
position: relative;
border-radius: 5px 0 0 5px;
border: 1px solid #DDD;
background-color: #EEE;
left: -12px;
top: -1px;
z-index: 1;
transition: all 0.5s;
}
.ui-color-picker .switch_mode:hover {
background-color: #CCC;
cursor: pointer;
}
/*
* UI Component
*/
.ui-input-slider {
height: 20px;
font-family: "Segoe UI", Arial, Helvetica, sans-serif;
-moz-user-select: none;
user-select: none;
}
.ui-input-slider * {
float: left;
height: 100%;
}
/* Input Slider */
.ui-input-slider > input {
margin: 0;
padding: 0;
width: 50px;
text-align: center;
-moz-box-sizing: border-box;
-webkit-box-sizing: border-box;
box-sizing: border-box;
}
.ui-input-slider-info {
width: 90px;
padding: 0px 10px 0px 0px;
text-align: right;
text-transform: lowercase;
line-height: inherit;
}
.ui-input-slider-left, .ui-input-slider-right {
width: 16px;
cursor: pointer;
background: url("arrows.png") center left no-repeat;
}
.ui-input-slider-right {
background: url("arrows.png") center right no-repeat;
}
.ui-input-slider-name {
width: 90px;
padding: 0 10px 0 0;
text-align: right;
text-transform: lowercase;
}
.ui-input-slider-btn-set {
width: 25px;
background-color: #2C9FC9;
border-radius: 5px;
color: #FFF;
font-weight: bold;
line-height: 14px;
text-align: center;
}
.ui-input-slider-btn-set:hover {
background-color: #379B4A;
cursor: pointer;
}
/*
* UI Slider
*/
.ui-slider {
height: 20px;
margin: 10px 0;
font-family: "Segoe UI", Arial, Helvetica, sans-serif;
-moz-user-select: none;
user-select: none;
}
.ui-slider > * {
float: left;
height: 100%;
line-height: 100%;
}
/* Slider */
.ui-slider-slider {
height: 10px;
width: 200px;
margin: 4px 10px;
display: block;
border: 1px solid #999;
border-radius: 3px;
background: #EEE;
}
.ui-slider-slider:hover {
cursor: pointer;
}
.ui-slider-name {
width: 90px;
padding: 0 10px 0 0;
text-align: right;
text-transform: lowercase;
}
.ui-slider-pointer {
width: 12px;
height: 13px;
margin: 0 0 0 -7px;
background-color: #EEE;
border: 1px solid #2C9FC9;
border-radius: 3px;
position: relative;
top: -3px;
left: 0%;
}
.ui-slider-button {
width: 25px;
background-color: #2C9FC9;
border-radius: 3px;
color: #FFF;
font-weight: bold;
line-height: 14px;
text-align: center;
}
.ui-slider-button:hover {
background-color: #379B4A;
cursor: pointer;
}
.ui-slider > input {
width: 50px;
margin: 0 10px;
padding: 0;
text-align: center;
}
/*
* UI DropDown
*/
/* Dropdown */
.ui-dropdown {
height: 2em;
width: 120px;
font-family: "Segoe UI", Arial, Helvetica, sans-serif;
font-size: 12px;
background-image: url("dropdown_arrow.svg");
background-position: right 0.3em center;
background-repeat: no-repeat;
background-color: #359740;
background-size: 1.1em;
position: relative;
-moz-box-sizing: border-box;
-webkit-box-sizing: border-box;
box-sizing: border-box;
-moz-user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
user-select: none;
}
.ui-dropdown:hover {
cursor: pointer;
background-color: #208B20;
}
/* Dropdown Select Button */
.ui-dropdown-select {
padding: 0 0.75em;
color: #FFF;
line-height: 2em;
}
/* Dropdown List */
.ui-dropdown-list {
width: 100%;
height: 150px;
max-height: 150px;
margin: 0;
padding: 0 0.3em;
border: 1px solid #3490D2;
border-color: #208B20;
background: #666;
background-color: #EEF1F5;
color: #000;
position: absolute;
top: 100%;
left: 0;
z-index: 100;
overflow: hidden;
transition: all 0.3s;
-moz-box-sizing: border-box;
-webkit-box-sizing: border-box;
box-sizing: border-box;
}
.ui-dropdown-list:hover {
overflow: auto;
}
.ui-dropdown-list[data-hidden='true'] {
height: 0 !important;
opacity: 0;
visibility: hidden;
}
.ui-dropdown[data-position='left'] .ui-dropdown-list {
left: -100%;
top: 0;
}
.ui-dropdown[data-position='right'] .ui-dropdown-list {
left: 100%;
top: 0;
}
.ui-dropdown-list > div {
width: 80%;
height: 1.6em;
margin: 0.3em 0;
padding: 0.3em 10%;
line-height: 1.6em;
}
.ui-dropdown-list > div:hover {
background: #3490D2;
color:#FFF;
border-radius: 2px;
cursor: pointer;
}
/*
* COLOR PICKER TOOL
*/
body {
width: 100%;
height: 100%;
margin: 0 auto;
font-family: "Segoe UI", Arial, Helvetica, sans-serif;
-moz-user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
user-select: none;
}
body[data-dragging="true"] {
}
/**
* Resize Handle
*/
.resize-handle {
width: 10px;
height: 10px;
background: url("images/resize.png") center center no-repeat;
position: absolute;
bottom: 0;
right: 0;
}
[data-resize='both']:hover {
cursor: nw-resize !important;
}
[data-resize='width']:hover {
cursor: w-resize !important;
}
[data-resize='height']:hover {
cursor: n-resize !important;
}
/**
* Main Container
*/
#container {
width: 1000px;
height: 100%;
display: table;
margin: 0 auto;
}
#gradient-container {
width: 450px;
height: 250px;
min-width: 8px;
min-height: 8px;
margin: 100px auto;
border: 1px solid #DDD;
position: relative;
}
#gradient-container[data-alpha="true"]:after {
content: "";
width: 100%;
height: 100%;
background: url('/images/canvas-pattern.png');
position: absolute;
z-index: -1;
}
/**
* Gradient Axis
*/
.gradient-axis {
width: 125%;
height: 4px;
margin: -3px 0 0 0;
border: 1px solid #CCC;
position: absolute;
top: 50%;
left: 0;
opacity: 0.5;
}
.gradient-axis[data-active='true'] {
opacity: 1;
z-index: 1;
}
.gradient-axis:after {
content: "";
width: 25px;
height: 100%;
background-color: #CCC;
position: absolute;
left: 0;
top: 0;
}
.gradient-axis .gradient-line {
width: 80%;
height: 100%;
margin: 0px auto;
position: relative;
}
.gradient-axis .gradient-line:hover {
cursor: pointer;
}
.gradient-axis .gradient-line:after,
.gradient-axis .gradient-line:before {
content: "";
width: 1px;
height: 100px;
background-color: #CCC;
position: absolute;
top: -48px;
}
.gradient-axis .gradient-line:after {
left: -1px;
}
.gradient-axis .gradient-line:before {
right: -1px;
}
.gradient-axis .gradient-point {
width: 16px;
height: 16px;
margin: 0 0 0 -8px;
top: -7px;
border-radius: 50%;
background-color: #FFF;
border: 1px solid #999;
position: absolute;
z-index: 1;
}
.gradient-axis .gradient-point:after {
content: "";
width: 6px;
height: 6px;
border-radius: 50%;
background-color: #FFF;
border: 1px solid #999;
position: absolute;
top: 4px;
left: 4px;
}
.gradient-axis .gradient-point:hover:after,
.gradient-axis .gradient-point[data-active="true"]:after {
background-color: #CCC;
}
.gradient-axis .rotate-point {
width: 25px;
height: 25px;
position: absolute;
top: -10.5px;
right: -12px;
}
.gradient-axis[axisID='0']:after {
background-color: #DA5C5C;
}
.gradient-axis[axisID='1']:after {
background-color: #5CDA9B;
}
.gradient-axis[axisID='2']:after {
background-color: #5C9BDA;
}
.gradient-axis[axisID='3']:after {
background-color: #5C5CDA;
}
.gradient-axis[axisID='0'] path {
fill: #DA5C5C;
}
.gradient-axis[axisID='1'] path {
fill: #5CDA9B;
}
.gradient-axis[axisID='2'] path {
fill: #5C9BDA;
}
.gradient-axis[axisID='3'] path {
fill: #5C5CDA;
}
.gradient-axis .rotate-point:hover {
cursor: pointer;
}
/**
* Controls
*/
#controls {
width: 100%;
margin: 0 auto;
display: table;
}
#controls .section {
width: 50%;
padding: 10px;
display: table;
float: left;
-moz-box-sizing: border-box;
-webkit-box-sizing: border-box;
box-sizing: border-box;
}
#controls .section .title {
width: 90%;
margin: 0 0 10px 0;
padding: 5px;
border-bottom: 1px solid #DDD;
font-size: 18px;
color: #777;
}
#controls .property {
width: 100%;
height: 24px;
margin: 10px 0;
padding: 3px 0;
display: table;
}
#controls .property > * {
float: left;
}
#controls .property .name {
width: 90px;
padding: 0px 10px 0px 0px;
text-align: right;
line-height: 150%;
}
/* Button */
#controls .button {
height: 24px;
padding: 0 10px;
background-color: #379B4A;
border-radius: 3px;
font-size: 14px;
color: #FFF;
display: inline;
float: left;
}
#controls .button[data-state='disabled'] {
background-color: #CCC !important;
color: #777 !important;
}
#controls .button[data-state='disabled']:hover {
background-color: #CCC !important;
cursor: default !important;
}
#controls .button:hover {
cursor: pointer;
background-color: #208B20;
}
/* Active Point */
.ui-input-slider {
height: 24px;
line-height: 20px;
}
#delete-point {
margin: 0 58px 0 0;
float: right !important;
}
#controls .ui-color-picker[data-topic="picker"] {
margin: 20px 0 0 0;
}
#controls .ui-input-slider[data-topic="axis-rotation"] {
}
#controls .ui-dropdown {
width: 130px;
height: 24px;
}
#controls .ui-dropdown-select {
line-height: 24px;
}
#controls .ui-dropdown-list {
height: 66px;
line-height: 2.5em;
overflow: hidden;
}
#delete-axis {
margin: 0 38px 0 0;
float: right !important;
}
/* Tool controls */
#tool-section .property .name {
width: 150px;
}
#canvas-bg {
width: 16px;
height: 16px;
margin: 5px;
background: url("images/toggle-background.png") center right no-repeat;
}
#canvas-bg:hover {
cursor: pointer;
}
#canvas-bg[data-alpha='false'] {
background-position: center left;
}
#canvas-bg[data-alpha='true'] {
background-position: center right;
}
/* Order gradients */
#order {
margin-left: 24px;
}
#gradient-axes {
width: 100%;
height: 30px;
padding: 0 0 0 15px;
display: table;
position: relative;
}
#gradient-axes .axis {
width: 50px;
height: 20px;
margin: 5px 0;
background-color: #DDD;
text-align: center;
float: left;
transition: all 0.3s;
position: absolute;
}
#gradient-axes .axis:hover {
margin: 2px 0;
height: 26px;
background-color: #CCC;
cursor: pointer;
}
#gradient-axes .axis[data-state='active'] {
margin: 2px 0;
height: 26px;
}
#gradient-axes .axis[data-state='active']:after {
content: "*";
color: #FFF;
padding: 3px;
}
#gradient-axes .axis[axisID='0'] {
background-color: #DA5C5C;
}
#gradient-axes .axis[axisID='1'] {
background-color: #5CDA9B;
}
#gradient-axes .axis[axisID='2'] {
background-color: #5C9BDA;
}
#gradient-axes .axis[axisID='3'] {
background-color: #5C5CDA;
}
#add-axis.button {
margin: 0 38px 0 0;
float: right;
}
#gradient-order {
width: 60%;
height: 5px;
margin: 5px 0 0 0;
overflow: visible;
background-color: #CCC;
position: relative;
}
#gradient-order:before {
content: "gradient order - drag to order";
position: absolute;
top: 100%;
color: #CCC;
}
#gradient-order:after {
content: "";
width: 24px;
height: 24px;
background: url('/images/arrow.svg');
background-size: 24px 24px;
position: absolute;
right: -10px;
top: -9.5px;
}
/**
* Output
*/
#output {
width: 100%;
padding: 10px 0;
margin: 20px 0 50px 0;
border: 2px dashed #CCC;
border-radius: 5px;
display: table;
font-size: 13px;
overflow: hidden;
-moz-user-select: text;
-webkit-user-select: text;
-ms-user-select: text;
user-select: text;
}
#output .css-property {
width: 90%;
margin: 5px 5%;
color: #777;
position: relative;
float: left;
}
#output .property {
height: 100%;
width: 12%;
position: absolute;
left: 0;
}
#output .value {
width: 88%;
position: absolute;
white-space: pre;
word-wrap: break-word;
display: block;
right: 0;
}
JavaScript Content
var UIColorPicker = (function UIColorPicker() {
'use strict';
function getElemById(id) {
return document.getElementById(id);
}
var subscribers = [];
var pickers = [];
/**
* RGBA Color class
*
* HSV/HSB and HSL (hue, saturation, value / brightness, lightness)
* @param hue 0-360
* @param saturation 0-100
* @param value 0-100
* @param lightness 0-100
*/
function Color(color) {
if(color instanceof Color === true) {
this.copy(color);
return;
}
this.r = 0;
this.g = 0;
this.b = 0;
this.a = 1;
this.hue = 0;
this.saturation = 0;
this.value = 0;
this.lightness = 0;
this.format = 'HSV';
}
function RGBColor(r, g, b) {
var color = new Color();
color.setRGBA(r, g, b, 1);
return color;
}
function RGBAColor(r, g, b, a) {
var color = new Color();
color.setRGBA(r, g, b, a);
return color;
}
function HSVColor(h, s, v) {
var color = new Color();
color.setHSV(h, s, v);
return color;
}
function HSVAColor(h, s, v, a) {
var color = new Color();
color.setHSV(h, s, v);
color.a = a;
return color;
}
function HSLColor(h, s, l) {
var color = new Color();
color.setHSL(h, s, l);
return color;
}
function HSLAColor(h, s, l, a) {
var color = new Color();
color.setHSL(h, s, l);
color.a = a;
return color;
}
Color.prototype.copy = function copy(obj) {
if(obj instanceof Color !== true) {
console.log('Typeof parameter not Color');
return;
}
this.r = obj.r;
this.g = obj.g;
this.b = obj.b;
this.a = obj.a;
this.hue = obj.hue;
this.saturation = obj.saturation;
this.value = obj.value;
this.format = '' + obj.format;
this.lightness = obj.lightness;
};
Color.prototype.setFormat = function setFormat(format) {
if (format === 'HSV')
this.format = 'HSV';
if (format === 'HSL')
this.format = 'HSL';
};
/*========== Methods to set Color Properties ==========*/
Color.prototype.isValidRGBValue = function isValidRGBValue(value) {
return (typeof(value) === 'number' && isNaN(value) === false &&
value >= 0 && value <= 255);
};
Color.prototype.setRGBA = function setRGBA(red, green, blue, alpha) {
if (this.isValidRGBValue(red) === false ||
this.isValidRGBValue(green) === false ||
this.isValidRGBValue(blue) === false)
return;
this.r = red | 0;
this.g = green | 0;
this.b = blue | 0;
if (this.isValidRGBValue(alpha) === true)
this.a = alpha | 0;
};
Color.prototype.setByName = function setByName(name, value) {
if (name === 'r' || name === 'g' || name === 'b') {
if(this.isValidRGBValue(value) === false)
return;
this[name] = value;
this.updateHSX();
}
};
Color.prototype.setHSV = function setHSV(hue, saturation, value) {
this.hue = hue;
this.saturation = saturation;
this.value = value;
this.HSVtoRGB();
};
Color.prototype.setHSL = function setHSL(hue, saturation, lightness) {
this.hue = hue;
this.saturation = saturation;
this.lightness = lightness;
this.HSLtoRGB();
};
Color.prototype.setHue = function setHue(value) {
if (typeof(value) !== 'number' || isNaN(value) === true ||
value < 0 || value > 359)
return;
this.hue = value;
this.updateRGB();
};
Color.prototype.setSaturation = function setSaturation(value) {
if (typeof(value) !== 'number' || isNaN(value) === true ||
value < 0 || value > 100)
return;
this.saturation = value;
this.updateRGB();
};
Color.prototype.setValue = function setValue(value) {
if (typeof(value) !== 'number' || isNaN(value) === true ||
value < 0 || value > 100)
return;
this.value = value;
this.HSVtoRGB();
};
Color.prototype.setLightness = function setLightness(value) {
if (typeof(value) !== 'number' || isNaN(value) === true ||
value < 0 || value > 100)
return;
this.lightness = value;
this.HSLtoRGB();
};
Color.prototype.setAlpha = function setAlpha(value) {
if (typeof(value) !== 'number' || isNaN(value) === true ||
value < 0 || value > 1)
return;
this.a = parseFloat(value.toFixed(2));
};
Color.prototype.setHexa = function setHexa(value) {
var valid = /(^#{0,1}[0-9A-F]{6}$)|(^#{0,1}[0-9A-F]{3}$)/i.test(value);
if (valid !== true)
return;
if (value[0] === '#')
value = value.slice(1, value.length);
if (value.length === 3)
value = value.replace(/([0-9A-F])([0-9A-F])([0-9A-F])/i,'$1$1$2$2$3$3');
this.r = parseInt(value.substr(0, 2), 16);
this.g = parseInt(value.substr(2, 2), 16);
this.b = parseInt(value.substr(4, 2), 16);
this.alpha = 1;
this.RGBtoHSV();
};
/*========== Conversion Methods ==========*/
Color.prototype.convertToHSL = function convertToHSL() {
if (this.format === 'HSL')
return;
this.setFormat('HSL');
this.RGBtoHSL();
};
Color.prototype.convertToHSV = function convertToHSV() {
if (this.format === 'HSV')
return;
this.setFormat('HSV');
this.RGBtoHSV();
};
/*========== Update Methods ==========*/
Color.prototype.updateRGB = function updateRGB() {
if (this.format === 'HSV') {
this.HSVtoRGB();
return;
}
if (this.format === 'HSL') {
this.HSLtoRGB();
return;
}
};
Color.prototype.updateHSX = function updateHSX() {
if (this.format === 'HSV') {
this.RGBtoHSV();
return;
}
if (this.format === 'HSL') {
this.RGBtoHSL();
return;
}
};
Color.prototype.HSVtoRGB = function HSVtoRGB() {
var sat = this.saturation / 100;
var value = this.value / 100;
var C = sat * value;
var H = this.hue / 60;
var X = C * (1 - Math.abs(H % 2 - 1));
var m = value - C;
var precision = 255;
C = (C + m) * precision | 0;
X = (X + m) * precision | 0;
m = m * precision | 0;
if (H >= 0 && H < 1) { this.setRGBA(C, X, m); return; }
if (H >= 1 && H < 2) { this.setRGBA(X, C, m); return; }
if (H >= 2 && H < 3) { this.setRGBA(m, C, X); return; }
if (H >= 3 && H < 4) { this.setRGBA(m, X, C); return; }
if (H >= 4 && H < 5) { this.setRGBA(X, m, C); return; }
if (H >= 5 && H < 6) { this.setRGBA(C, m, X); return; }
};
Color.prototype.HSLtoRGB = function HSLtoRGB() {
var sat = this.saturation / 100;
var light = this.lightness / 100;
var C = sat * (1 - Math.abs(2 * light - 1));
var H = this.hue / 60;
var X = C * (1 - Math.abs(H % 2 - 1));
var m = light - C/2;
var precision = 255;
C = (C + m) * precision | 0;
X = (X + m) * precision | 0;
m = m * precision | 0;
if (H >= 0 && H < 1) { this.setRGBA(C, X, m); return; }
if (H >= 1 && H < 2) { this.setRGBA(X, C, m); return; }
if (H >= 2 && H < 3) { this.setRGBA(m, C, X); return; }
if (H >= 3 && H < 4) { this.setRGBA(m, X, C); return; }
if (H >= 4 && H < 5) { this.setRGBA(X, m, C); return; }
if (H >= 5 && H < 6) { this.setRGBA(C, m, X); return; }
};
Color.prototype.RGBtoHSV = function RGBtoHSV() {
var red = this.r / 255;
var green = this.g / 255;
var blue = this.b / 255;
var cmax = Math.max(red, green, blue);
var cmin = Math.min(red, green, blue);
var delta = cmax - cmin;
var hue = 0;
var saturation = 0;
if (delta) {
if (cmax === red ) { hue = ((green - blue) / delta); }
if (cmax === green ) { hue = 2 + (blue - red) / delta; }
if (cmax === blue ) { hue = 4 + (red - green) / delta; }
if (cmax) saturation = delta / cmax;
}
this.hue = 60 * hue | 0;
if (this.hue < 0) this.hue += 360;
this.saturation = (saturation * 100) | 0;
this.value = (cmax * 100) | 0;
};
Color.prototype.RGBtoHSL = function RGBtoHSL() {
var red = this.r / 255;
var green = this.g / 255;
var blue = this.b / 255;
var cmax = Math.max(red, green, blue);
var cmin = Math.min(red, green, blue);
var delta = cmax - cmin;
var hue = 0;
var saturation = 0;
var lightness = (cmax + cmin) / 2;
var X = (1 - Math.abs(2 * lightness - 1));
if (delta) {
if (cmax === red ) { hue = ((green - blue) / delta); }
if (cmax === green ) { hue = 2 + (blue - red) / delta; }
if (cmax === blue ) { hue = 4 + (red - green) / delta; }
if (cmax) saturation = delta / X;
}
this.hue = 60 * hue | 0;
if (this.hue < 0) this.hue += 360;
this.saturation = (saturation * 100) | 0;
this.lightness = (lightness * 100) | 0;
};
/*========== Get Methods ==========*/
Color.prototype.getHexa = function getHexa() {
var r = this.r.toString(16);
var g = this.g.toString(16);
var b = this.b.toString(16);
if (this.r < 16) r = '0' + r;
if (this.g < 16) g = '0' + g;
if (this.b < 16) b = '0' + b;
var value = '#' + r + g + b;
return value.toUpperCase();
};
Color.prototype.getRGBA = function getRGBA() {
var rgb = '(' + this.r + ', ' + this.g + ', ' + this.b;
var a = '';
var v = '';
var x = parseFloat(this.a);
if (x !== 1) {
a = 'a';
v = ', ' + x;
}
var value = 'rgb' + a + rgb + v + ')';
return value;
};
Color.prototype.getHSLA = function getHSLA() {
if (this.format === 'HSV') {
var color = new Color(this);
color.setFormat('HSL');
color.updateHSX();
return color.getHSLA();
}
var a = '';
var v = '';
var hsl = '(' + this.hue + ', ' + this.saturation + '%, ' + this.lightness +'%';
var x = parseFloat(this.a);
if (x !== 1) {
a = 'a';
v = ', ' + x;
}
var value = 'hsl' + a + hsl + v + ')';
return value;
};
Color.prototype.getColor = function getColor() {
if (this.a | 0 === 1)
return this.getHexa();
return this.getRGBA();
};
/*=======================================================================*/
/*=======================================================================*/
/*========== Capture Mouse Movement ==========*/
var setMouseTracking = function setMouseTracking(elem, callback) {
elem.addEventListener('mousedown', function(e) {
callback(e);
document.addEventListener('mousemove', callback);
});
document.addEventListener('mouseup', function(e) {
document.removeEventListener('mousemove', callback);
});
};
/*====================*/
// Color Picker Class
/*====================*/
function ColorPicker(node) {
this.color = new Color();
this.node = node;
this.subscribers = [];
var type = this.node.getAttribute('data-mode');
var topic = this.node.getAttribute('data-topic');
this.topic = topic;
this.picker_mode = (type === 'HSL') ? 'HSL' : 'HSV';
this.color.setFormat(this.picker_mode);
this.createPickingArea();
this.createHueArea();
this.newInputComponent('H', 'hue', this.inputChangeHue.bind(this));
this.newInputComponent('S', 'saturation', this.inputChangeSaturation.bind(this));
this.newInputComponent('V', 'value', this.inputChangeValue.bind(this));
this.newInputComponent('L', 'lightness', this.inputChangeLightness.bind(this));
this.createAlphaArea();
this.newInputComponent('R', 'red', this.inputChangeRed.bind(this));
this.newInputComponent('G', 'green', this.inputChangeGreen.bind(this));
this.newInputComponent('B', 'blue', this.inputChangeBlue.bind(this));
this.createPreviewBox();
this.createChangeModeButton();
this.newInputComponent('alpha', 'alpha', this.inputChangeAlpha.bind(this));
this.newInputComponent('hexa', 'hexa', this.inputChangeHexa.bind(this));
this.setColor(this.color);
pickers[topic] = this;
}
/*************************************************************************/
// Function for generating the color-picker
/*************************************************************************/
ColorPicker.prototype.createPickingArea = function createPickingArea() {
var area = document.createElement('div');
var picker = document.createElement('div');
area.className = 'picking-area';
picker.className = 'picker';
this.picking_area = area;
this.color_picker = picker;
setMouseTracking(area, this.updateColor.bind(this));
area.appendChild(picker);
this.node.appendChild(area);
};
ColorPicker.prototype.createHueArea = function createHueArea() {
var area = document.createElement('div');
var picker = document.createElement('div');
area.className = 'hue';
picker.className ='slider-picker';
this.hue_area = area;
this.hue_picker = picker;
setMouseTracking(area, this.updateHueSlider.bind(this));
area.appendChild(picker);
this.node.appendChild(area);
};
ColorPicker.prototype.createAlphaArea = function createAlphaArea() {
var mask = document.createElement('div');
var picker = document.createElement('div');
mask.className = 'alpha';
picker.className = 'slider-picker';
this.alpha_mask = mask;
this.alpha_picker = picker;
setMouseTracking(mask, this.updateAlphaSlider.bind(this));
mask.appendChild(picker);
this.node.appendChild(mask);
};
ColorPicker.prototype.createPreviewBox = function createPreviewBox(e) {
var preview_box = document.createElement('div');
var preview_color = document.createElement('div');
preview_box.className = 'preview';
preview_color.className = 'preview-color';
this.preview_color = preview_color;
preview_box.appendChild(preview_color);
this.node.appendChild(preview_box);
};
ColorPicker.prototype.newInputComponent = function newInputComponent(title, topic, onChangeFunc) {
var wrapper = document.createElement('div');
var input = document.createElement('input');
var info = document.createElement('span');
wrapper.className = 'input';
wrapper.setAttribute('data-topic', topic);
info.textContent = title;
info.className = 'name';
input.setAttribute('type', 'text');
wrapper.appendChild(info);
wrapper.appendChild(input);
this.node.appendChild(wrapper);
input.addEventListener('change', onChangeFunc);
input.addEventListener('click', function() {
this.select();
});
this.subscribe(topic, function(value) {
input.value = value;
});
};
ColorPicker.prototype.createChangeModeButton = function createChangeModeButton() {
var button = document.createElement('div');
button.className = 'switch_mode';
button.addEventListener('click', function() {
if (this.picker_mode === 'HSV')
this.setPickerMode('HSL');
else
this.setPickerMode('HSV');
}.bind(this));
this.node.appendChild(button);
};
/*************************************************************************/
// Updates properties of UI elements
/*************************************************************************/
ColorPicker.prototype.updateColor = function updateColor(e) {
var x = e.pageX - this.picking_area.offsetLeft;
var y = e.pageY - this.picking_area.offsetTop;
// width and height should be the same
var size = this.picking_area.clientWidth;
if (x > size) x = size;
if (y > size) y = size;
if (x < 0) x = 0;
if (y < 0) y = 0;
var value = 100 - (y * 100 / size) | 0;
var saturation = x * 100 / size | 0;
if (this.picker_mode === 'HSV')
this.color.setHSV(this.color.hue, saturation, value);
if (this.picker_mode === 'HSL')
this.color.setHSL(this.color.hue, saturation, value);
this.color_picker.style.left = x + 'px';
this.color_picker.style.top = y + 'px';
this.updateAlphaGradient();
this.updatePreviewColor();
this.notify('value', value);
this.notify('lightness', value);
this.notify('saturation', saturation);
this.notify('red', this.color.r);
this.notify('green', this.color.g);
this.notify('blue', this.color.b);
this.notify('hexa', this.color.getHexa());
notify(this.topic, this.color);
};
ColorPicker.prototype.updateHueSlider = function updateHueSlider(e) {
var x = e.pageX - this.hue_area.offsetLeft;
var width = this.hue_area.clientWidth;
if (x < 0) x = 0;
if (x > width) x = width;
var hue = ((359 * x) / width) | 0;
this.updateSliderPosition(this.hue_picker, x - 1);
this.setHue(hue);
};
ColorPicker.prototype.updateAlphaSlider = function updateAlphaSlider(e) {
var x = e.pageX - this.alpha_mask.offsetLeft;
var width = this.alpha_mask.clientWidth;
if (x < 0) x = 0;
if (x > width) x = width;
this.color.a = (x / width).toFixed(2);
this.updateSliderPosition(this.alpha_picker, x - 1);
this.updatePreviewColor();
this.notify('alpha', this.color.a);
notify(this.topic, this.color);
};
ColorPicker.prototype.setHue = function setHue(value) {
this.color.setHue(value);
this.updatePickerBackground();
this.updateAlphaGradient();
this.updatePreviewColor();
this.notify('red', this.color.r);
this.notify('green', this.color.g);
this.notify('blue', this.color.b);
this.notify('hexa', this.color.getHexa());
this.notify('hue', this.color.hue);
notify(this.topic, this.color);
};
// Updates when one of Saturation/Value/Lightness changes
ColorPicker.prototype.updateSLV = function updateSLV() {
this.updatePickerPosition();
this.updateAlphaGradient();
this.updatePreviewColor();
this.notify('red', this.color.r);
this.notify('green', this.color.g);
this.notify('blue', this.color.b);
this.notify('hexa', this.color.getHexa());
notify(this.topic, this.color);
};
/*************************************************************************/
// Update positions of various UI elements
/*************************************************************************/
ColorPicker.prototype.updatePickerPosition = function updatePickerPosition() {
var size = this.picking_area.clientWidth;
var value = 0;
if (this.picker_mode === 'HSV')
value = this.color.value;
if (this.picker_mode === 'HSL')
value = this.color.lightness;
var x = (this.color.saturation * size / 100) | 0;
var y = size - (value * size / 100) | 0;
this.color_picker.style.left = x + 'px';
this.color_picker.style.top = y + 'px';
};
ColorPicker.prototype.updateSliderPosition = function updateSliderPosition(elem, pos) {
elem.style.left = pos + 'px';
};
ColorPicker.prototype.updateHuePicker = function updateHuePicker() {
var size = this.hue_area.clientWidth;
var pos = (this.color.hue * size / 360 ) | 0;
this.hue_picker.style.left = pos + 'px';
};
ColorPicker.prototype.updateAlphaPicker = function updateAlphaPicker() {
var size = this.alpha_mask.clientWidth;
var pos = (this.color.a * size) | 0;
this.alpha_picker.style.left = pos + 'px';
};
/*************************************************************************/
// Update background colors
/*************************************************************************/
ColorPicker.prototype.updatePickerBackground = function updatePickerBackground() {
var nc = new Color(this.color);
nc.setHSV(nc.hue, 100, 100);
this.picking_area.style.backgroundColor = nc.getHexa();
};
ColorPicker.prototype.updateAlphaGradient = function updateAlphaGradient() {
this.alpha_mask.style.backgroundColor = this.color.getHexa();
};
ColorPicker.prototype.updatePreviewColor = function updatePreviewColor() {
this.preview_color.style.backgroundColor = this.color.getColor();
};
/*************************************************************************/
// Update input elements
/*************************************************************************/
ColorPicker.prototype.inputChangeHue = function inputChangeHue(e) {
var value = parseInt(e.target.value);
this.setHue(value);
this.updateHuePicker();
};
ColorPicker.prototype.inputChangeSaturation = function inputChangeSaturation(e) {
var value = parseInt(e.target.value);
this.color.setSaturation(value);
e.target.value = this.color.saturation;
this.updateSLV();
};
ColorPicker.prototype.inputChangeValue = function inputChangeValue(e) {
var value = parseInt(e.target.value);
this.color.setValue(value);
e.target.value = this.color.value;
this.updateSLV();
};
ColorPicker.prototype.inputChangeLightness = function inputChangeLightness(e) {
var value = parseInt(e.target.value);
this.color.setLightness(value);
e.target.value = this.color.lightness;
this.updateSLV();
};
ColorPicker.prototype.inputChangeRed = function inputChangeRed(e) {
var value = parseInt(e.target.value);
this.color.setByName('r', value);
e.target.value = this.color.r;
this.setColor(this.color);
};
ColorPicker.prototype.inputChangeGreen = function inputChangeGreen(e) {
var value = parseInt(e.target.value);
this.color.setByName('g', value);
e.target.value = this.color.g;
this.setColor(this.color);
};
ColorPicker.prototype.inputChangeBlue = function inputChangeBlue(e) {
var value = parseInt(e.target.value);
this.color.setByName('b', value);
e.target.value = this.color.b;
this.setColor(this.color);
};
ColorPicker.prototype.inputChangeAlpha = function inputChangeAlpha(e) {
var value = parseFloat(e.target.value);
if (typeof value === 'number' && isNaN(value) === false &&
value >= 0 && value <= 1)
this.color.a = value.toFixed(2);
e.target.value = this.color.a;
this.updateAlphaPicker();
this.updatePreviewColor();
};
ColorPicker.prototype.inputChangeHexa = function inputChangeHexa(e) {
var value = e.target.value;
this.color.setHexa(value);
this.setColor(this.color);
};
/*************************************************************************/
// Internal Pub/Sub
/*************************************************************************/
ColorPicker.prototype.subscribe = function subscribe(topic, callback) {
this.subscribers[topic] = callback;
};
ColorPicker.prototype.notify = function notify(topic, value) {
if (this.subscribers[topic])
this.subscribers[topic](value);
};
/*************************************************************************/
// Set Picker Properties
/*************************************************************************/
ColorPicker.prototype.setColor = function setColor(color) {
if(color instanceof Color !== true) {
console.log('Typeof parameter not Color');
return;
}
if (color.format !== this.picker_mode) {
color.setFormat(this.picker_mode);
color.updateHSX();
}
this.color.copy(color);
this.updateHuePicker();
this.updatePickerPosition();
this.updatePickerBackground();
this.updateAlphaPicker();
this.updatePreviewColor();
this.updateAlphaGradient();
this.notify('red', this.color.r);
this.notify('green', this.color.g);
this.notify('blue', this.color.b);
this.notify('hue', this.color.hue);
this.notify('saturation', this.color.saturation);
this.notify('value', this.color.value);
this.notify('lightness', this.color.lightness);
this.notify('alpha', this.color.a);
this.notify('hexa', this.color.getHexa());
notify(this.topic, this.color);
};
ColorPicker.prototype.setPickerMode = function setPickerMode(mode) {
if (mode !== 'HSV' && mode !== 'HSL')
return;
this.picker_mode = mode;
this.node.setAttribute('data-mode', this.picker_mode);
this.setColor(this.color);
};
/*************************************************************************/
// UNUSED
/*************************************************************************/
var setPickerMode = function setPickerMode(topic, mode) {
if (pickers[topic])
pickers[topic].setPickerMode(mode);
};
var setColor = function setColor(topic, color) {
if (pickers[topic])
pickers[topic].setColor(color);
};
var getColor = function getColor(topic) {
if (pickers[topic])
return new Color(pickers[topic].color);
};
var subscribe = function subscribe(topic, callback) {
if (subscribers[topic] === undefined)
subscribers[topic] = [];
subscribers[topic].push(callback);
};
var unsubscribe = function unsubscribe(callback) {
subscribers.indexOf(callback);
subscribers.splice(index, 1);
};
var notify = function notify(topic, value) {
if (subscribers[topic] === undefined || subscribers[topic].length === 0)
return;
var color = new Color(value);
for (var i in subscribers[topic])
subscribers[topic][i](color);
};
var init = function init() {
var elem = document.querySelectorAll('.ui-color-picker');
var size = elem.length;
for (var i = 0; i < size; i++)
new ColorPicker(elem[i]);
};
return {
init : init,
Color : Color,
RGBColor : RGBColor,
RGBAColor : RGBAColor,
HSVColor : HSVColor,
HSVAColor : HSVAColor,
HSLColor : HSLColor,
HSLAColor : HSLAColor,
setColor : setColor,
getColor : getColor,
subscribe : subscribe,
unsubscribe : unsubscribe,
setPickerMode : setPickerMode
};
})();
/**
* UI-DropDown Select
*/
var DropDownManager = (function DropdownManager() {
'use strict';
var subscribers = {};
var dropdowns = [];
var active = null;
var visbility = ["hidden", "visible"];
var DropDown = function DropDown(node) {
var topic = node.getAttribute('data-topic');
var label = node.getAttribute('data-label');
var selected = node.getAttribute('data-selected') | 0;
var select = document.createElement('div');
var list = document.createElement('div');
var uval = 0;
var option = null;
var option_value = null;
list.className = 'ui-dropdown-list';
select.className = 'ui-dropdown-select';
while (node.firstElementChild !== null) {
option = node.firstElementChild;
option_value = option.getAttribute('data-value');
if (option_value === null)
option.setAttribute('data-value', uval);
list.appendChild(node.firstElementChild);
uval++;
}
node.appendChild(select);
node.appendChild(list);
select.onclick = this.toggle.bind(this);
list.onclick = this.updateValue.bind(this);
document.addEventListener('click', clickOut);
this.state = 0;
this.time = 0;
this.dropmenu = list;
this.select = select;
this.toggle(false);
this.value = {};
this.topic = topic;
if (label)
select.textContent = label;
else
this.setNodeValue(list.children[selected]);
dropdowns[topic] = this;
};
DropDown.prototype.toggle = function toggle(state) {
if (typeof(state) === 'boolean')
this.state = state === false ? 0 : 1;
else
this.state = 1 ^ this.state;
if (active !== this) {
if (active)
active.toggle(false);
active = this;
}
if (this.state === 0)
this.dropmenu.setAttribute('data-hidden', 'true');
else
this.dropmenu.removeAttribute('data-hidden');
};
DropDown.prototype.updateValue = function updateValue(e) {
if (Date.now() - this.time < 500)
return;
if (e.target.className !== "ui-dropdown-list") {
this.setNodeValue(e.target);
this.toggle(false);
}
this.time = Date.now();
};
DropDown.prototype.setNodeValue = function setNodeValue(node, send_notify) {
this.value['name'] = node.textContent;
this.value['value'] = node.getAttribute('data-value');
this.select.textContent = node.textContent;
this.select.setAttribute('data-value', this.value['value']);
if (send_notify !== false)
notify.call(this);
};
var clickOut = function clickOut(e) {
if (active.state === 0 ||
e.target === active.dropmenu ||
e.target === active.select)
return;
active.toggle(false);
};
var createDropDown = function createDropDown(topic, options) {
var dropdown = document.createElement('div');
dropdown.setAttribute('data-topic', topic);
dropdown.className = 'ui-dropdown';
for (var i in options) {
var x = document.createElement('div');
x.setAttribute('data-value', i);
x.textContent = options[i];
dropdown.appendChild(x);
}
new DropDown(dropdown);
return dropdown;
};
var setValue = function setValue(topic, index, send_notify) {
if (dropdowns[topic] === undefined ||
index >= dropdowns[topic].dropmenu.children.length)
return;
dropdowns[topic].setNodeValue(dropdowns[topic].dropmenu.children[index], send_notify);
};
var subscribe = function subscribe(topic, callback) {
if (subscribers[topic] === undefined)
subscribers[topic] = [];
subscribers[topic].push(callback);
};
var unsubscribe = function unsubscribe(topic, callback) {
var index = subscribers[topic].indexOf(callback);
subscribers[topic].splice(index, 1);
};
var notify = function notify() {
if (subscribers[this.topic] === undefined)
return;
for (var i in subscribers[this.topic]) {
subscribers[this.topic][i](this.value);
}
};
var init = function init() {
var elem, size;
elem = document.querySelectorAll('.ui-dropdown');
size = elem.length;
for (var i = 0; i < size; i++)
new DropDown(elem[i]);
};
return {
init : init,
setValue : setValue,
subscribe : subscribe,
unsubscribe : unsubscribe,
createDropDown : createDropDown
};
})();
/**
* UI-SlidersManager
*/
var InputSliderManager = (function InputSliderManager() {
'use strict';
var subscribers = {};
var sliders = [];
var InputComponent = function InputComponent(obj) {
var input = document.createElement('input');
input.setAttribute('type', 'text');
input.style.width = 50 + obj.precision * 10 + 'px';
input.addEventListener('click', function(e) {
this.select();
});
input.addEventListener('change', function(e) {
var value = parseFloat(e.target.value);
if (isNaN(value) === true)
setValue(obj.topic, obj.value);
else
setValue(obj.topic, value);
});
return input;
};
var SliderComponent = function SliderComponent(obj, sign) {
var slider = document.createElement('div');
var startX = null;
var start_value = 0;
slider.addEventListener("click", function(e) {
document.removeEventListener("mousemove", sliderMotion);
setValue(obj.topic, obj.value + obj.step * sign);
});
slider.addEventListener("mousedown", function(e) {
startX = e.clientX;
start_value = obj.value;
document.body.style.cursor = "e-resize";
document.addEventListener("mouseup", slideEnd);
document.addEventListener("mousemove", sliderMotion);
});
var slideEnd = function slideEnd(e) {
document.removeEventListener("mousemove", sliderMotion);
document.body.style.cursor = "auto";
slider.style.cursor = "pointer";
};
var sliderMotion = function sliderMotion(e) {
slider.style.cursor = "e-resize";
var delta = (e.clientX - startX) / obj.sensivity | 0;
var value = delta * obj.step + start_value;
setValue(obj.topic, value);
};
return slider;
};
var InputSlider = function(node) {
var min = parseFloat(node.getAttribute('data-min'));
var max = parseFloat(node.getAttribute('data-max'));
var step = parseFloat(node.getAttribute('data-step'));
var value = parseFloat(node.getAttribute('data-value'));
var topic = node.getAttribute('data-topic');
var unit = node.getAttribute('data-unit');
var name = node.getAttribute('data-info');
var sensivity = node.getAttribute('data-sensivity') | 0;
var precision = node.getAttribute('data-precision') | 0;
this.min = isNaN(min) ? 0 : min;
this.max = isNaN(max) ? 100 : max;
this.precision = precision >= 0 ? precision : 0;
this.step = step < 0 || isNaN(step) ? 1 : step.toFixed(precision);
this.topic = topic;
this.node = node;
this.unit = unit === null ? '' : unit;
this.sensivity = sensivity > 0 ? sensivity : 5;
value = isNaN(value) ? this.min : value;
var input = new InputComponent(this);
var slider_left = new SliderComponent(this, -1);
var slider_right = new SliderComponent(this, 1);
slider_left.className = 'ui-input-slider-left';
slider_right.className = 'ui-input-slider-right';
if (name) {
var info = document.createElement('span');
info.className = 'ui-input-slider-info';
info.textContent = name;
node.appendChild(info);
}
node.appendChild(slider_left);
node.appendChild(input);
node.appendChild(slider_right);
this.input = input;
sliders[topic] = this;
setValue(topic, value);
};
InputSlider.prototype.setInputValue = function setInputValue() {
this.input.value = this.value.toFixed(this.precision) + this.unit;
};
var setValue = function setValue(topic, value, send_notify) {
var slider = sliders[topic];
if (slider === undefined)
return;
value = parseFloat(value.toFixed(slider.precision));
if (value > slider.max) value = slider.max;
if (value < slider.min) value = slider.min;
slider.value = value;
slider.node.setAttribute('data-value', value);
slider.setInputValue();
if (send_notify === false)
return;
notify.call(slider);
};
var setMax = function setMax(topic, value) {
var slider = sliders[topic];
if (slider === undefined)
return;
slider.max = value;
setValue(topic, slider.value);
};
var setMin = function setMin(topic, value) {
var slider = sliders[topic];
if (slider === undefined)
return;
slider.min = value;
setValue(topic, slider.value);
};
var setUnit = function setUnit(topic, unit, send_notify) {
var slider = sliders[topic];
if (slider === undefined)
return;
slider.unit = unit;
setValue(topic, slider.value, send_notify);
};
var setStep = function setStep(topic, value) {
var slider = sliders[topic];
if (slider === undefined)
return;
slider.step = parseFloat(value);
setValue(topic, slider.value);
};
var setPrecision = function setPrecision(topic, value) {
var slider = sliders[topic];
if (slider === undefined)
return;
value = value | 0;
slider.precision = value;
var step = parseFloat(slider.step.toFixed(value));
if (step === 0)
slider.step = 1 / Math.pow(10, value);
setValue(topic, slider.value);
};
var setSensivity = function setSensivity(topic, value) {
var slider = sliders[topic];
if (slider === undefined)
return;
value = value | 0;
slider.sensivity = value > 0 ? value : 5;
};
var getNode = function getNode(topic) {
return sliders[topic].node;
};
var getPrecision = function getPrecision(topic) {
return sliders[topic].precision;
};
var getStep = function getStep(topic) {
return sliders[topic].step;
};
var subscribe = function subscribe(topic, callback) {
if (subscribers[topic] === undefined)
subscribers[topic] = [];
subscribers[topic].push(callback);
};
var unsubscribe = function unsubscribe(topic, callback) {
subscribers[topic].indexOf(callback);
subscribers[topic].splice(index, 1);
};
var notify = function notify() {
if (subscribers[this.topic] === undefined)
return;
for (var i = 0; i < subscribers[this.topic].length; i++)
subscribers[this.topic][i](this.value);
};
var createSlider = function createSlider(topic, label) {
var slider = document.createElement('div');
slider.className = 'ui-input-slider';
slider.setAttribute('data-topic', topic);
if (label !== undefined)
slider.setAttribute('data-info', label);
new InputSlider(slider);
return slider;
};
var init = function init() {
var elem = document.querySelectorAll('.ui-input-slider');
var size = elem.length;
for (var i = 0; i < size; i++)
new InputSlider(elem[i]);
};
return {
init : init,
setMax : setMax,
setMin : setMin,
setUnit : setUnit,
setStep : setStep,
getNode : getNode,
getStep : getStep,
setValue : setValue,
subscribe : subscribe,
unsubscribe : unsubscribe,
setPrecision : setPrecision,
setSensivity : setSensivity,
getPrecision : getPrecision,
createSlider : createSlider,
};
})();
/**
* UI-SlidersManager
*/
var SliderManager = (function SliderManager() {
'use strict';
var subscribers = {};
var sliders = [];
function trackMouse(elem, callback, startFunc, endFunc) {
startFunc = startFunc || function(e) {};
endFunc = endFunc || function(e) {};
elem.addEventListener('mousedown', function(e) {
e.preventDefault();
startFunc(e);
document.addEventListener('mousemove', callback);
document.addEventListener('mouseup', function up(e) {
document.removeEventListener('mousemove', callback);
document.removeEventListener('mouseup', up);
endFunc(e);
});
});
elem.addEventListener('click', function(e) {
e.stopPropagation();
});
}
var Slider = function(node) {
var topic = node.getAttribute('data-topic');
var info = node.getAttribute('data-info');
var unit = node.getAttribute('data-unit');
var min = node.getAttribute('data-min') | 0;
var max = node.getAttribute('data-max') | 0;
var step = node.getAttribute('data-step') | 0;
var value = node.getAttribute('data-value') | 0;
var snap = node.getAttribute('data-snap');
this.min = min;
this.max = max > 0 ? max : 100;
this.step = step === 0 ? 1 : step;
this.value = value <= max && value >= min ? value : (min + max) / 2 | 0;
this.snap = snap === "true" ? true : false;
this.topic = topic;
this.unit = unit;
var name = document.createElement('div');
var slider = document.createElement('div');
var pointer = document.createElement('div');
name.className = 'ui-slider-name';
name.textContent = info;
slider.className = 'ui-slider-slider';
pointer.className = 'ui-slider-pointer';
node.appendChild(name);
slider.appendChild(pointer);
this.pointer = pointer;
this.slider = slider;
this.node = node;
this.createSetButton('-', this.decrement.bind(this));
node.appendChild(slider);
this.createSetButton('+', this.increment.bind(this));
this.createInputField();
new trackMouse(slider, this.updateSlider.bind(this), this.startMove.bind(this));
slider.addEventListener('click', function(e) {
this.startMove();
this.updateSlider(e);
}.bind(this));
sliders[topic] = this;
this.setValue(this.value);
};
Slider.prototype.createSetButton = function createSetButton(type, callback) {
var button = document.createElement('div');
button.className = 'ui-slider-button';
button.textContent = type;
button.addEventListener("click", callback);
this.node.appendChild(button);
};
Slider.prototype.createInputField = function createInputField() {
var input = document.createElement('input');
input.setAttribute('type', 'text');
this.node.appendChild(input);
input.addEventListener('click', function(e) {
this.select();
});
input.addEventListener('change', function(e) {
this.setValue(e.target.value | 0);
}.bind(this));
subscribe(this.topic, function(value) {
input.value = value + this.unit;
}.bind(this));
};
Slider.prototype.startMove = function startMove(e) {
this.sliderX = this.slider.getBoundingClientRect().left;
};
Slider.prototype.updateSlider = function updateSlider(e) {
var width = this.slider.clientWidth;
var pos = e.clientX - this.sliderX;
var delta = this.max - this.min;
if (pos < 0) pos = 0;
if (pos > width) pos = width;
var value = pos * delta / width | 0;
var precision = value % this.step;
value = value - precision + this.min;
if (precision > this.step / 2)
value = value + this.step;
if (this.snap)
pos = (value - this.min) * width / delta;
this.pointer.style.left = pos + "px";
this.value = value;
notify.call(this);
};
Slider.prototype.increment = function increment() {
this.setValue(this.value + this.step);
};
Slider.prototype.decrement = function decrement() {
this.setValue(this.value - this.step);
};
Slider.prototype.setValue = function setValue(value) {
if (value > this.max || value < this.min)
return;
var delta = this.max - this.min;
var width = this.slider.clientWidth;
var pos = (value - this.min) * width / delta | 0;
this.value = value;
this.pointer.style.left = pos + "px";
notify.call(this);
};
var setValue = function setValue(topic, value) {
var slider = sliders[topic];
slider.setValue(value);
};
var subscribe = function subscribe(topic, callback) {
if (subscribers[topic] === undefined)
subscribers[topic] = [];
subscribers[topic].push(callback);
};
var unsubscribe = function unsubscribe(topic, callback) {
subscribers[topic].indexOf(callback);
subscribers[topic].splice(index, 1);
};
var notify = function notify() {
if (subscribers[this.topic] === undefined)
return;
for (var i = 0; i < subscribers[this.topic].length; i++)
subscribers[this.topic][i](this.value);
};
var init = function init() {
var elem = document.querySelectorAll('.ui-slider');
var size = elem.length;
for (var i = 0; i < size; i++)
new Slider(elem[i]);
};
return {
init : init,
setValue : setValue,
subscribe : subscribe,
unsubscribe : unsubscribe
};
})();
window.addEventListener("load", function() {
LinearGradientTool.init();
});
window.addEventListener("load", function() {
LinearGradientTool.init();
});
var LinearGradientTool = (function LinearGradientTool() {
'use strict';
var radian = 180 / Math.PI;
var inv_radian = Math.PI / 180;
var units = {'%': 1, 'px' : 0};
/*========== DOM Methods ==========*/
function getElemById(id) {
return document.getElementById(id);
}
function allowDropEvent(e) {
e.preventDefault();
}
function createClassElement(tag, className, parent) {
var elem = document.createElement(tag);
elem.className = className;
if (parent) parent.appendChild(elem);
return elem;
};
function trackMouse(elem, callback, startFunc, endFunc) {
startFunc = startFunc || function(e) {};
endFunc = endFunc || function(e) {};
elem.addEventListener('mousedown', function(e) {
e.preventDefault();
startFunc(e);
document.addEventListener('mousemove', callback);
document.addEventListener('mouseup', function up(e) {
document.removeEventListener('mousemove', callback);
document.removeEventListener('mouseup', up);
endFunc(e);
});
});
elem.addEventListener('click', function(e) {
e.stopPropagation();
});
}
var Color = UIColorPicker.Color;
var HSVColor = UIColorPicker.HSVColor;
var UIComponent = (function UIComponent() {
function makeResizable(elem, axis, callback, endFunc) {
var valueX = 0;
var valueY = 0;
var action = 0;
var callback = typeof callback === "function" ? callback : null;
endFunc = endFunc || function(e) {};
var resizeStart = function resizeStart(e) {
e.stopPropagation();
e.preventDefault();
if (e.button !== 0)
return;
valueX = e.clientX - elem.clientWidth;
valueY = e.clientY - elem.clientHeight;
document.body.setAttribute('data-resize', axis);
document.addEventListener('mousemove', mouseMove);
document.addEventListener('mouseup', resizeEnd);
};
var mouseMove = function mouseMove(e) {
if (action >= 0)
elem.style.width = e.clientX - valueX + 'px';
if (action <= 0)
elem.style.height = e.clientY - valueY + 'px';
if (callback)
callback();
};
var resizeEnd = function resizeEnd(e) {
if (e.button !== 0)
return;
document.body.removeAttribute('data-resize', axis);
document.removeEventListener('mousemove', mouseMove);
document.removeEventListener('mouseup', resizeEnd);
endFunc();
};
var handle = document.createElement('div');
handle.className = 'resize-handle';
if (axis === 'width') action = 1;
else if (axis === 'height') action = -1;
else axis = 'both';
handle.className = 'resize-handle';
handle.setAttribute('data-resize', axis);
handle.addEventListener('mousedown', resizeStart);
elem.appendChild(handle);
};
return {
makeResizable : makeResizable
};
})();
/**
* Gradient Point
*/
var GradientPoint = function GradientPoint(Axis) {
var point = document.createElement('div');
point.className = 'gradient-point';
this.position = 0;
this.node = point;
this.Axis = Axis;
this.color = new HSVColor(0, 0, 100);
this.CSScolor = this.color.getColor();
this.CSSposition = 0;
this.PrevPoint = null;
this.NextPoint = null;
this.Axis.num_points++;
point.addEventListener('click', this.activate.bind(this));
trackMouse(point, this.updatePositionM.bind(this), this.startMove.bind(this),
this.endMove.bind(this));
Axis.line.appendChild(point);
return this;
};
GradientPoint.prototype.deletePoint = function deletePoint() {
this.Axis.line.removeChild(this.node);
};
GradientPoint.prototype.activate = function activate() {
if (this.Axis.state === false)
return;
this.Axis.setActivePoint(this);
this.node.setAttribute('data-active', 'true');
UIColorPicker.setColor('picker', this.color);
InputSliderManager.setValue('point-position', this.CSSposition);
if (this.Axis.num_points > 2)
AxesManager.setDeleteButtonState('active');
};
GradientPoint.prototype.deactivate = function deactivate() {
this.node.removeAttribute('data-active');
};
GradientPoint.prototype.startMove = function startMove(e) {
this.Axis.updateCenterPointPos();
this.node.setAttribute('data-active', 'true');
document.body.setAttribute('data-dragging', 'true');
};
GradientPoint.prototype.endMove = function endMove(e) {
this.node.removeAttribute('data-active', 'true');
document.body.removeAttribute('data-dragging');
};
GradientPoint.prototype.updatePositionM = function updatePositionM(e) {
var A = this.Axis;
var Qx = e.clientX - A.centerX;
var Qy = e.clientY - A.centerY;
this.position = (A.Px * Qx + A.Py * Qy) / A.Pmod + A.lsize;
this.updateCSSPosition();
this.Axis.reorderPoint(this);
this.Axis.updateGradient();
this.updateSlider();
};
GradientPoint.prototype.setPositionM = function setPositionM(posX, posY) {
var A = this.Axis;
var Qx = posX - A.centerX;
var Qy = posY - A.centerY;
this.position = (A.Px * Qx + A.Py * Qy) / A.Pmod + A.lsize;
this.updateCSSPosition();
this.Axis.reorderPoint(this);
this.Axis.updateGradient();
this.updateSlider();
};
GradientPoint.prototype.updateAbsolutePosition = function updateAbsolutePosition() {
if (this.Axis.unit ='%')
this.position = parseFloat(((this.CSSposition / 100) * (2 * this.Axis.lsize)).toFixed(1));;
};
GradientPoint.prototype.setPosition = function setPosition(pos) {
this.position = pos;
if (this.Axis.unit === '%')
this.position = parseFloat(((this.position / 100) * (2 * this.Axis.lsize)).toFixed(1));;
this.updateCSSPosition();
this.Axis.reorderPoint(this);
this.Axis.updateGradient();
};
GradientPoint.prototype.updateSlider = function updateSlider() {
if (this.Axis.ActivePoint === this && this.Axis.state === true)
InputSliderManager.setValue('point-position', this.CSSposition, false);
};
GradientPoint.prototype.updateColor = function updateColor(color) {
this.color.copy(color);
this.CSScolor = color.getColor();
this.updateCSSvalue();
};
GradientPoint.prototype.updateCSSPosition = function updateCSSPosition() {
this.CSSposition = this.position | 0;
if (this.Axis.unit === '%')
this.CSSposition = parseFloat((100 * this.position / (2 * this.Axis.lsize)).toFixed(1));
this.node.style.left = this.CSSposition + this.Axis.unit;
this.updateCSSvalue();
};
GradientPoint.prototype.updateCSSvalue = function updateCSSvalue() {
this.CSSvalue = this.CSScolor + ' ' + this.CSSposition + this.Axis.unit;
};
GradientPoint.prototype.insertBefore = function insertBefore(point) {
this.NextPoint = point;
this.PrevPoint = point.PrevPoint;
point.PrevPoint = this;
if (this.PrevPoint)
this.PrevPoint.NextPoint = this;
};
GradientPoint.prototype.insertAfter = function insertAfter(point) {
this.NextPoint = point.NextPoint;
this.PrevPoint = point;
point.NextPoint = this;
if (this.NextPoint)
this.NextPoint.PrevPoint = this;
};
/**
* Gradient Axis
*/
function GradientAxis(container, id) {
var axis = createClassElement('div', 'gradient-axis', null);
var line = createClassElement('div', 'gradient-line', axis);
var rotate_point = createClassElement('div', 'rotate-point', axis);
axis.setAttribute('axisID', id);
var svg = this.createSVGArrow(id);
rotate_point.appendChild(svg);
this.id = id;
this.axis = axis;
this.unit = '%';
this.line = line;
this.container = container;
this.lsize = container.clientWidth / 2;
this.FirstPoint = null;
this.ActivePoint = null;
this.gradient = '';
this.num_points = 0;
this.size = 0;
this.angle = 0;
this.state = false;
this.updateOnResize();
trackMouse(rotate_point, this.updateAxisAngle.bind(this),
this.startRotation.bind(this));
container.appendChild(axis);
line.addEventListener('click', this.placeGradientPoint.bind(this));
};
GradientAxis.prototype.createSVGArrow = function createSVGArrow(id) {
var xmlns = 'https://www.w3.org/2000/svg';
var svg = document.createElementNS(xmlns, 'svg');
var path = document.createElementNS(xmlns, 'path');
svg.setAttribute('class', 'gradient-arrow');
svg.setAttribute('width', '25');
svg.setAttribute('height', '25');
path.setAttribute('fill', '#CCC');
path.setAttribute('d', 'M 25,12.5 L 0,0 L 7.5,12.5 L 0,25');
svg.appendChild(path);
return svg;
};
GradientAxis.prototype.placeGradientPoint = function placeGradientPoint(e) {
this.updateCenterPointPos();
var point = new GradientPoint(this);
point.setPositionM(e.clientX, e.clientY);
point.activate();
this.attachPoint(point);
this.updateGradient();
};
GradientAxis.prototype.newGradientPoint = function newGradientPoint(pos) {
var point = new GradientPoint(this);
point.setPosition(pos);
point.activate();
this.attachPoint(point);
this.updateGradient();
};
GradientAxis.prototype.attachPoint = function attachPoint(point) {
// add the first point
if (this.FirstPoint === null) {
this.FirstPoint = point;
return;
}
// insert the point into the list
var p = this.FirstPoint;
while (p.NextPoint) {
if (point.CSSposition < p.CSSposition) {
point.insertBefore(p);
if (point.PrevPoint === null)
this.FirstPoint = point;
return;
}
p = p.NextPoint;
};
// test the last point
if (point.CSSposition < p.CSSposition)
point.insertBefore(p);
else
point.insertAfter(p);
if (point.PrevPoint === null)
this.FirstPoint = point;
return;
};
GradientAxis.prototype.detachPoint = function detachPoint(point) {
if (this.FirstPoint === point)
this.FirstPoint = point.NextPoint;
if (point.PrevPoint)
point.PrevPoint.NextPoint = point.NextPoint;
if (point.NextPoint)
point.NextPoint.PrevPoint = point.PrevPoint;
point.NextPoint = null;
point.PrevPoint = null;
};
GradientAxis.prototype.deleteActivePoint = function deleteActivePoint() {
// return if only 2 points left on the axis
if (this.num_points === 2)
return;
if (this.ActivePoint) {
this.ActivePoint.deletePoint();
this.detachPoint(this.ActivePoint);
this.updateGradient();
this.num_points--;
}
};
GradientAxis.prototype.reorderPoint = function reorderPoint(point) {
if (point.NextPoint && point.NextPoint.CSSposition > point.CSSposition &&
point.PrevPoint && point.PrevPoint.CSSposition < point.CSSposition)
return;
if (point.NextPoint === point.PrevPoint)
return;
this.detachPoint(point);
this.attachPoint(point);
};
GradientAxis.prototype.setActivePoint = function setActivePoint(point) {
if (this.ActivePoint)
this.ActivePoint.deactivate();
this.ActivePoint = point;
};
GradientAxis.prototype.activate = function activate() {
this.state = true;
this.axis.setAttribute('data-active', this.state);
InputSliderManager.setUnit('point-position', this.unit, false);
SliderManager.setValue('axis-rotation', this.angle | 0, false);
DropDownManager.setValue('axis-unit', units[this.unit], false);
if (this.ActivePoint)
this.ActivePoint.activate();
};
GradientAxis.prototype.deactivate = function deactivate() {
this.state = false;
this.axis.removeAttribute('data-active', this.state);
if (this.ActivePoint)
this.ActivePoint.deactivate();
};
GradientAxis.prototype.deleteAxis = function deleteAxis() {
this.deactivate();
this.container.removeChild(this.axis);
};
GradientAxis.prototype.updatePointColor = function updatePointColor(color) {
if (this.ActivePoint)
this.ActivePoint.updateColor(color);
this.updateGradient();
};
GradientAxis.prototype.updatePointPosition = function updatePointPosition(value) {
if (this.ActivePoint)
this.ActivePoint.setPosition(value);
};
GradientAxis.prototype.setUnit = function setUnit(unit) {
this.unit = unit;
this.updateAllPoints();
InputSliderManager.setUnit('point-position', unit, false);
if (this.ActivePoint)
this.ActivePoint.updateSlider();
this.updateGradient();
};
GradientAxis.prototype.updateAllPoints = function updateAllPoints() {
var p = this.FirstPoint;
while(p) {
p.updateCSSPosition();
p = p.NextPoint;
}
};
/* Axis events */
GradientAxis.prototype.startRotation = function startRotation(e) {
this.updateCenterPointPos();
this.updateAxisAngle(e);
};
GradientAxis.prototype.updateOnResize = function updateOnResize() {
this.updateContainer();
this.updateCenterPointPos();
this.setAxisAngle(this.angle);
};
GradientAxis.prototype.updateCenterPointPos = function updateCenterPointPos() {
var pos = this.container.getBoundingClientRect();
this.centerX = (pos.left + pos.right) / 2;
this.centerY = (pos.top + pos.bottom) / 2;
};
GradientAxis.prototype.updateContainer = function updateContainer() {
var W = this.container.clientWidth;
var H = this.container.clientHeight;
var max_size = Math.sqrt(W * W + H * H) + 50;
this.axis.style.width = max_size + 'px';
this.axis.style.left = (W - max_size)/2 - 1 + 'px';
this.mW = W / 2;
this.mH = H / 2;
};
GradientAxis.prototype.updateAxisAngle = function updateAxisAngle(e) {
var Px = e.clientX - this.centerX;
var Py = e.clientY - this.centerY;
var deg = -Math.atan2(Py, Px) * radian;
var Pmod = Math.sqrt(Px * Px + Py * Py);
this.lsize = (this.mW * Math.abs(Px) + this.mH * Math.abs(Py)) / Pmod;
if (this.state === true)
SliderManager.setValue('axis-rotation', deg | 0, false);
this.angle = deg;
this.updateCSS();
AxesManager.updateCSSGradient();
this.Px = Px;
this.Py = Py;
this.Pmod = Pmod;
};
GradientAxis.prototype.setAxisAngle = function setAxisAngle(deg) {
var rad = -deg * inv_radian;
var Px = Math.cos(rad);
var Py = Math.sin(rad);
this.lsize = this.mW * Math.abs(Px) + this.mH * Math.abs(Py);
this.angle = deg;
this.updateCSS();
AxesManager.updateCSSGradient();
this.Px = Px;
this.Py = Py;
this.Pmod = 1;
};
/* UI Methods - apply CSS */
GradientAxis.prototype.updateCSS = function updateCSS() {
this.line.style.width = 2 * this.lsize + 'px';
this.axis.style.transform = 'rotate('+ -this.angle +'deg)';
this.axis.style.webkitTransform = 'rotate('+ -this.angle +'deg)';
};
GradientAxis.prototype.updateGradient = function updateGradient() {
var p = this.FirstPoint;
if (p === null)
return;
this.gradient = p.CSSvalue;
p = p.NextPoint;
while(p) {
this.gradient += ', ' + p.CSSvalue;
p = p.NextPoint;
};
AxesManager.updateCSSGradient();
};
// this is the standard syntax
GradientAxis.prototype.getCSSGradient = function getCSSGradient() {
return 'linear-gradient('+ (-this.angle + 90 | 0) +'deg, ' + this.gradient + ')';
};
/**
* AxesManager
*/
var AxesManager = (function AxesManager() {
var lg_axes = [];
var ActiveAxis = null;
var ActiveShortcut = null;
var axes_menu = null;
var gradient_container = null;
var add_axis_btn;
var delete_axis_btn;
var delete_point_btn;
var update_output;
var dragElem;
var createStartAxis = function createStartAxis(angle) {
if (ActiveAxis)
ActiveAxis.deactivate();
var axisID = getNextAxisID();
var axis = new GradientAxis(gradient_container, axisID);
var color = new HSVColor(210, 90, 90);
ActiveAxis = axis;
axis.activate();
axis.setAxisAngle(angle);
axis.newGradientPoint(10);
axis.updatePointColor(color);
color.setAlpha(0.5);
axis.newGradientPoint(50);
axis.updatePointColor(color);
color.setHue(275);
axis.newGradientPoint(50);
axis.updatePointColor(color);
color.setAlpha(1);
axis.newGradientPoint(90);
axis.updatePointColor(color);
UIColorPicker.setColor('picker', color);
lg_axes.push(axis);
axis.Shortcut = createAxisShortcut(axisID);
axis.activate();
};
var createAxis = function createAxis(angle) {
if (ActiveAxis)
ActiveAxis.deactivate();
var axisID = getNextAxisID();
var axis = new GradientAxis(gradient_container, axisID);
var color = new HSVColor(0, 0, 50);
ActiveAxis = axis;
axis.activate();
axis.setAxisAngle(angle);
axis.newGradientPoint(10);
axis.updatePointColor(color);
color.setValue(90);
axis.newGradientPoint(90);
axis.updatePointColor(color);
UIColorPicker.setColor('picker', color);
lg_axes.push(axis);
axis.Shortcut = createAxisShortcut(axisID);
axis.activate();
};
var createAxisShortcut = function createAxisShortcut(axisID) {
var axis = createClassElement('div', 'axis', axes_menu);
axis.setAttribute('axisID', axisID);
axis.setAttribute('draggable', 'true');
axis.style.left = (lg_axes.length - 1) * 60 + 'px';
axis.addEventListener('click', function() {
activateAxisShortcut(axis);
var axisID = this.getAttribute('axisID') | 0;
activateAxis(axisID);
});
axis.addEventListener('dragstart', function (e) {
dragElem = this;
e.dataTransfer.setData('axisID', this.getAttribute('axisID'));
});
axis.addEventListener('dragover', allowDropEvent);
axis.addEventListener('drop', function swap(e) {
if (dragElem === this)
return;
var from = getOrderID(e.dataTransfer.getData('axisID'));
var to = getOrderID(this.getAttribute('axisID'));
var swap = lg_axes[from];
lg_axes[from] = lg_axes[to];
lg_axes[to] = swap;
var left = dragElem.offsetLeft;
dragElem.style.left = this.offsetLeft + 'px';
this.style.left = left + 'px';
updateCSSGradient();
});
activateAxisShortcut(axis);
return axis;
};
var activateAxisShortcut = function activateAxisShortcut(node) {
if (ActiveShortcut)
ActiveShortcut.removeAttribute('data-state');
node.setAttribute('data-state', 'active');
ActiveShortcut = node;
};
var getNextAxisID = function getNextAxisID() {
var ids = [];
var idx = 0;
var len = lg_axes.length;
for (var i=0; i<len; !="=" &&="" (activeaxis="" (axis="==" (ids[idx]="" (idx="" (lg_axes.length="" (lg_axes[i].id="=" (var="" <="" activateaxis="function" activateaxis(axisid)="" activeaxis="" activeaxis.activate();="" activeaxis.deactivate();="" axis="lg_axes[getOrderID(axisID)];" axis)="" axisid)="" for="" getorderid="function" getorderid(axisid)="" i="0;" i++)="" i;="" i<len;="" ids[lg_axes[i].id]="true;" idx++;="" idx;="" if="" len="lg_axes.length;" lg_axes.length)="" null)="" return="" return;="" true)="" var="" while="" {="" }="" };=""> 1)
delete_axis_btn.removeAttribute('data-state');
};
/* Axis functions */
var updateAxisRotation = function updateAxisRotation(value) {
ActiveAxis.setAxisAngle(value);
};
var setAxisUnit = function setAxisUnit(obj) {
ActiveAxis.setUnit(obj.value);
};
var setAddAxisButton = function setAddAxisButton() {
add_axis_btn = getElemById('add-axis');
add_axis_btn.addEventListener('click', function() {
if (lg_axes.length === 4)
return;
createAxis(0);
if (lg_axes.length > 1)
delete_axis_btn.removeAttribute('data-state');
if (lg_axes.length === 4)
this.setAttribute('data-state', 'disabled');
});
};
var setDeleteAxisButton = function setDeleteAxisButton() {
delete_axis_btn = getElemById('delete-axis');
delete_axis_btn.addEventListener('click', function () {
if (this.hasAttribute('data-state'))
return;
if (lg_axes.length === 1)
return;
axes_menu.removeChild(ActiveAxis.Shortcut);
ActiveAxis.deleteAxis();
lg_axes.splice(getOrderID(ActiveAxis.id), 1);
ActiveAxis = null;
updateCSSGradient();
var len = lg_axes.length;
for (var i=0; i<len; '="" '');="" ');="" ';';="" 'both',="" 'disabled')="" 'disabled');="" 'px';="" ()="" (delete_point_btn)="" (lg_axes.length="" (this.getattribute('data-state')="==" (update_output)="" *="" **="" +="" ++i)="" 4)="" 500);="" :="" <="" activeaxis.deleteactivepoint();="" activeaxis.updatepointcolor(color);="" activeaxis.updatepointposition(color);="" add_axis_btn.removeattribute('data-state');="" axes_menu="getElemById('gradient-axes');" axesmanager.init();="" box="" button="getElemById('canvas-bg');" button.addeventlistener('click',="" code="prefix" container="" container.setattribute('data-alpha',="" container;="" createstartaxis(-18);="" createstartaxis(18);="" delete_point_btn="getElemById('delete-point');" delete_point_btn.addeventlistener('click',="" delete_point_btn.setattribute('data-state',="" dropdownmanager.init();="" dropdownmanager.subscribe('axis-unit',="" for(var="" function="" function()="" functions="" general="" gradient="[];" gradient.join(',\n="" gradient.push(lg_axes[i].getcssgradient());="" gradient_container="getElemById('gradient-container');" gradient_container.style.background="gradient.join('," i="" i++)="" if="" init="function" init()="" init,="" inputslidermanager.init();="" inputslidermanager.subscribe('point-position',="" k="0;" len="lg_axes.length;" len;="" lg_axes[i].shortcut.style.left="60" lg_axes[i].updateabsoluteposition();="" lg_axes[i].updateonresize();="" methods="" output="getElemById('output');" output.children[index].children[1].textcontent="code;" output.children[index].style.height="output.children[index].children[1].scrollHeight" output;="" point="" pre="" prefix)="" resizecontainer="function" resizecontainer()="" resizecontainer);="" resizecontainer,="" resizeend="function" resizeend()="" resizeend);="" return="" return;="" setaddaxisbutton();="" setaxisunit);="" setdeleteaxisbutton();="" setdeletebuttonstate="function" setdeletebuttonstate('disabled');="" setdeletebuttonstate(state)="" setdeletepointbutton="function" setdeletepointbutton()="" setdeletepointbutton();="" settogglealphabackground="function" settogglealphabackground()="" settogglealphabackground();="" slidermanager.init();="" slidermanager.subscribe('axis-rotation',="" state="true;" state);="" this.setattribute('data-alpha',="" this.setattribute('data-state',="" tool="" tool()="" tool.init();="" tool.updateoutputcsscode(gradient);="" uicolorpicker.init();="" uicolorpicker.subscribe('picker',="" uicomponent.makeresizable(gradient_container,="" update_output="setTimeout(" updateaxisrotation);="" updatecssgradient="function" updatecssgradient();="" updatecssgradient,="" updateoutputcsscode="function" updateoutputcsscode(gradient)="" updateoutputcsscode:="" updateoutputelem="function" updateoutputelem(0,="" updateoutputelem(index,="" updatepointcolor="function" updatepointcolor(color)="" updatepointcolor);="" updatepointposition="function" updatepointposition(color)="" updatepointposition);="" var="" window.addeventlistener('resize',="" window.cleartimeout(update_output);="" {="" }="" })();="" });="" },="" };=""></len;></len;>Draft
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This tool can be used to create custom CSS3 linear-gradient() backgrounds.
Document Tags and Contributors
Contributors to this page:
gabriel_ivanica,
teoli
Last updated by:
gabriel_ivanica,