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<!DOCTYPE html>
< html >
< head >
< meta http-equiv = "Cache-Control" content = "no-cache, no-store, must-revalidate" >
< meta http-equiv = "Pragma" content = "no-cache" >
< meta http-equiv = "Expires" content = "0" >
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< title > WLED Custom Palette Editor< / title >
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< script type = "text/javascript" >
var d = document;
function gId(e) {return d.getElementById(e);}
function cE(e) {return d.createElement(e);}
< / script >
< style >
body {
font-family: Arial, sans-serif;
background-color: #111;
font-size: 16px;
color: #ddd;
margin: 0 10px;
line-height: 0.5;
}
#parent-container {
position: relative;
width: 100%;
height: 20px;
}
#bottomContainer {
position: absolute;
margin-top: 50px;
}
#gradient-box {
width: 100%;
height: 100%;
}
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.color-marker, .color-picker-marker {
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position: absolute;
border-radius: 3px;
background-color: rgb(192, 192, 192);
border: 2px solid rgba(68, 68, 68, 0.5);
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z-index: 2;
}
.color-marker {
height: 30px;
width: 7px;
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top: 50%;
transform: translateY(-50%);
}
.color-picker-marker {
height: 7px;
width: 7px;
top: 150%;
}
.delete-marker {
position: absolute;
height: 5px;
width: 5px;
border-radius: 3px;
background-color: rgb(255, 255, 255);
border: 3px solid rgb(155, 40, 40);
top: 220%;
z-index: 2;
}
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.color-picker {
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position: absolute;
height: 1px;
width: 1px;
border: 1px;
top: 150%;
z-index: 1;
border-color: #111;
background-color: #111;
}
.buttonclass {
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padding: 0;
margin: 0;
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vertical-align: bottom;
background-color: #111;
}
#bottomContainer span {
display: inline-flex;
align-items: center;
color: #fff;
font-size: 12px;
vertical-align: middle;
}
#info {
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display: "";
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text-align: center;
color: #fff;
font-size: 12px;
position: relative;
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margin-top: 10px;
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line-height: 1;
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}
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.wrap {
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width: 800px;
margin: 0 auto;
}
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.palette {
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height: 20px;
}
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.paletteGradients {
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flex: 1;
height: 20px;
border-radius: 3px;
}
.palettesMain {
margin-top: 50px;
width: 100%;
}
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.palTop {
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height: fit-content;
text-align: center;
color: #fff;
font-size: 12px;
position: relative;
line-height: 1;
}
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.palGradientParent {
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display: flex;
align-items: center;
height: fit-content;
margin-top: 10px;
text-align: center;
color: #fff;
font-size: 12px;
position: relative;
line-height: 1;
}
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.buttonsDiv {
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display: inline-flex;
margin-left: 5px;
width: 50px;
}
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.sendSpan, .editSpan{
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cursor: pointer;
}
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< / style >
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< / head >
< body >
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< div id = "wrap" class = "wrap" >
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< div style = "display: flex; justify-content: center;" >
< h1 style = "display: flex; align-items: center;" >
< svg style = "width:36px;height:36px;margin-right:6px;" viewBox = "0 0 32 32" >
< rect style = "fill:#003FFF" x = "6" y = "22" width = "8" height = "4" / >
< rect style = "fill:#003FFF" x = "14" y = "14" width = "4" height = "8" / >
< rect style = "fill:#003FFF" x = "18" y = "10" width = "4" height = "8" / >
< rect style = "fill:#003FFF" x = "22" y = "6" width = "8" height = "4" / >
< / svg >
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< span id = "head" > WLED Custom Palette Editor< / span >
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< / h1 >
< / div >
< div id = "parent-container" >
< div id = "gradient-box" > < / div >
< / div >
< div style = "display: flex; justify-content: center;" >
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< div id = "palettes" class = "palettesMain" >
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< div id = "palTop" class = "palTop" >
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Currently in use custom palettes
< / div >
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< / div >
< / div >
< div style = "display: flex; justify-content: center;" >
< div id = "info" >
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Click on the gradient editor to add new color slider, then the colored box below the slider to change its color.
Click the red box below indicator (and confirm) to delete.
Once finished, click the arrow icon to upload into the desired slot.
To edit existing palette, click the pencil icon.
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< / div >
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< / div >
< div style = "display: flex; justify-content: center;" >
< div id = "staticPalettes" class = "palettesMain" >
< div id = "statpalTop" class = "palTop" >
Available static palettes
< / div >
< / div >
< / div >
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< / body >
< script type = "text/javascript" >
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//global variables
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var gradientBox = gId('gradient-box');
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var cpalc = -1;
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var pxCol = {};
var tCol = {};
var rect = gradientBox.getBoundingClientRect();
var gradientLength = rect.width;
var mOffs = Math.round((gradientLength / 256) / 2) - 5;
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var paletteArray = []; //Holds the palettes after load.
var svgSave = '< svg style = "width:25px;height:25px" viewBox = "0 0 24 24" > < path fill = #fff d = "M22,12A10,10 0 0,1 12,22A10,10 0 0,1 2,12A10,10 0 0,1 12,2A10,10 0 0,1 22,12M7,12L12,17V14H16V10H12V7L7,12Z" / > < / svg > '
var svgEdit = '< svg style = "width:25px;height:25px" viewBox = "0 0 24 24" > < path fill = #fff d = "M12,2C6.47,2 2,6.47 2,12C2,17.53 6.47,22 12,22C17.53,22 22,17.53 22,12C22,6.47 17.53,2 12,2M15.1,7.07C15.24,7.07 15.38,7.12 15.5,7.23L16.77,8.5C17,8.72 17,9.07 16.77,9.28L15.77,10.28L13.72,8.23L14.72,7.23C14.82,7.12 14.96,7.07 15.1,7.07M13.13,8.81L15.19,10.87L9.13,16.93H7.07V14.87L13.13,8.81Z" / > < / svg > '
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function recOf() {
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rect = gradientBox.getBoundingClientRect();
gradientLength = rect.width;
mOffs = Math.round((gradientLength / 256) / 2) - 5;
}
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//Initiation
getInfo();
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window.addEventListener('load', chkW);
window.addEventListener('resize', chkW);
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gradientBox.addEventListener("click", clikOnGradient);
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//Sets start and stop, mandatory
addC(0);
addC(255);
updateGradient(); //Sets the gradient at startup
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function clikOnGradient(e) {
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removeTrashcan(e);
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addC(Math.round((e.offsetX/gradientLength)*256));
}
///////// Add a new colorMarker
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function addC(truePos, thisColor = '') {
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let position = -1;
let iExist = false;
const colorMarkers = gradientBox.querySelectorAll('.color-marker');
colorMarkers.forEach((colorMarker, i) => {
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if (colorMarker.getAttribute("data-truepos") == truePos) {
iExist = true;
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}
});
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if (colorMarkers.length > 17) iExist = true;
if (iExist) return; // Exit the function early if iExist is true
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if (truePos > 0 & & truePos < 255 ) {
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//calculate first available > 0
for (var i = 1; i < = 16 & & position < 1 ; i + + ) {
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if (!gId("colorMarker"+i)) {
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position = i;
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}
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}
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} else{
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position = truePos;
}
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if (thisColor == ''){
thisColor = `#${(Math.random() * 0xFFFFFF < < 0 ) . toString ( 16 ) . padStart ( 6 , ' 0 ' ) } ` ; / / set random color as default
}
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const colorMarker = cE('span'); // create a marker for the color position
colorMarker.className = 'color-marker';
colorMarker.id = 'colorMarker' + position.toString();
colorMarker.setAttribute("data-truepos", truePos); //Used to always have a true position no matter what screen or percentage we use
colorMarker.setAttribute("data-truecol", thisColor); //Used to hold the color of the position in the gradient connected to a true position
colorMarker.setAttribute("data-offset", mOffs);
colorMarker.addEventListener('click', stopFurtherProp); //Added to prevent the gradient click to fire when covered by a marker
colorMarker.style.left = `${Math.round((gradientLength / 256) * truePos)+mOffs}px`;
const colorPicker = cE('input');
colorPicker.type = 'color';
colorPicker.value = thisColor;
colorPicker.className = 'color-picker';
colorPicker.id = 'colorPicker' + position.toString();
colorPicker.addEventListener('input', updateGradient);
colorPicker.addEventListener('click',cpClk)
const colorPickerMarker = cE('span'); // create a marker for the color position
colorPickerMarker.className = 'color-picker-marker';
colorPickerMarker.id = 'colorPickerMarker' + position.toString();
colorPickerMarker.addEventListener('click', colClk);
colorPickerMarker.style.left = colorMarker.style.left;
colorPicker.style.left = colorMarker.style.left;
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const deleteMarker = cE('span'); // create a delete marker for the color position
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if (position > 0 & & position < 255 ) {
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deleteMarker.className = 'delete-marker';
deleteMarker.id = 'deleteMarker' + position.toString();
deleteMarker.addEventListener('click', (e) => {
deleteColor(e);
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});
deleteMarker.style.left = colorMarker.style.left
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}
colorMarker.style.backgroundColor = colorPicker.value; // set marker color to match color picker
colorPickerMarker.style.backgroundColor = colorPicker.value;
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gradientBox.appendChild(colorPicker);
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gradientBox.appendChild(colorMarker);
gradientBox.appendChild(colorPickerMarker);
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if (position != 0 & & position != 255) gradientBox.appendChild(deleteMarker); // append the marker if not start or end
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//make markers slidable IF they are not the first or last slider
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if (position > 0 & & position < 255 ) makeMeDrag ( gId ( colorMarker . id ) ) ;
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setTooltipMarker(gId(colorMarker.id));
updateGradient();
}
///////// Update Gradient
function updateGradient() {
const colorMarkers = gradientBox.querySelectorAll('.color-marker');
pxCol = {};
tCol = {}
colorMarkers.forEach((colorMarker, index) => {
const thisColorPicker = gId(colorMarkers[index].id.replace('colorMarker', 'colorPicker'));
const colorToSet = thisColorPicker.value;
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gId(colorMarkers[index].id.replace('colorMarker', 'colorPickerMarker')).style.backgroundColor = colorToSet;
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colorMarkers[index].style.backgroundColor = colorToSet;
colorMarkers[index].setAttribute("data-truecol", colorToSet);
const tPos = colorMarkers[index].getAttribute("data-truepos");
const gradientPos = Math.round((gradientLength / 256)*tPos);
pxCol[gradientPos] = colorToSet;
tCol[tPos] = colorToSet;
});
gradientString = 'linear-gradient(to right';
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Object.entries(pxCol).forEach(([p, c]) => {
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gradientString += `, ${c} ${p}px`;
});
gradientString += ')';
gradientBox.style.background = gradientString;
//gId("jsonstring").innerHTML = calcJSON();
}
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function stopFurtherProp(e) {
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e.stopPropagation();
}
function colClk(e){
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removeTrashcan(e)
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e.stopPropagation();
let cp = gId(e.srcElement.id.replace("Marker",""));
cp.click();
}
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function cpClk(e) {
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removeTrashcan(event)
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e.stopPropagation();
}
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//This neat little function makes any element draggable on the X-axis.
//Just call: makeMeDrag(myElement); And you are good to go.
function makeMeDrag(elmnt) {
var posNew = 0, mousePos = 0, mouseOffset = 0
//Set these to whatever you want to limit your movement to
var rect = gradientBox.getBoundingClientRect();
var maxX = rect.right; // maximum X coordinate
var minX = rect.left; // minimum X coordinate i.e. also offset from left of screen
var gradientLength = maxX - minX + 1;
elmnt.onmousedown = dragMouseDown;
function dragMouseDown(e) {
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removeTrashcan(event)
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e = e || window.event;
e.preventDefault();
// get the mouse cursor position at startup:
mousePos = e.clientX;
d.onmouseup = closeDragElement;
// call a function whenever the cursor moves:
d.onmousemove = elementDrag;
}
function elementDrag(e) {
e = e || window.event;
e.preventDefault();
// calculate the new cursor position:
posNew = mousePos - e.clientX;
mousePos = e.clientX;
mousePosInGradient = mousePos - (minX + 1)
truePos = Math.round((mousePosInGradient/gradientLength)*256);
oldTruePos = elmnt.getAttribute("data-truepos");
// set the element's new position if new position within min/max limits:
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if (truePos > 0 & & truePos < 255 & & oldTruePos ! = truePos ) {
if (truePos < 64 ) {
thisOffset = 0;
} else if (truePos > 192) {
thisOffset = 7;
} else {
thisOffset=3;
}
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elmnt.style.left = (Math.round((gradientLength/256)*truePos)+mOffs) + "px";
gId(elmnt.id.replace('colorMarker', 'colorPickerMarker')).style.left = elmnt.style.left;
gId(elmnt.id.replace('colorMarker', 'deleteMarker')).style.left = elmnt.style.left;
gId(elmnt.id.replace('colorMarker', 'colorPicker')).style.left = elmnt.style.left;
elmnt.setAttribute("data-truepos", truePos);
setTooltipMarker(elmnt);
updateGradient();
}
}
function closeDragElement() {
/* stop moving when mouse button is released:*/
d.onmouseup = null;
d.onmousemove = null;
}
}
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function setTooltipMarker(elmnt) {
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elmnt.setAttribute('title', `${elmnt.getAttribute("data-truepos")} : ${elmnt.getAttribute("data-truecol")}`)
}
function deleteColor(e) {
var trash = cE("div");
thisDeleteMarker = e.srcElement;
thisColorMarker = gId(thisDeleteMarker.id.replace("delete", "color"));
thisColorPickerMarker = gId(thisDeleteMarker.id.replace("delete", "colorPicker"));
thisColorPicker = gId(thisDeleteMarker.id.replace("deleteMarker", "colorPicker"));
renderOffsetX = 15 - 5;
renderX = e.srcElement.getBoundingClientRect().x - renderOffsetX;
renderY = e.srcElement.getBoundingClientRect().y + 13;
trash.id = "trash";
trash.innerHTML = '< svg viewBox = "0 0 24 24" xmlns = "http://www.w3.org/2000/svg" width = "30px" height = "30px" > < path style = "fill:#880000; stroke: #888888; stroke-width: -2px;stroke-dasharray: 0.1, 8;" d = "M9,3V4H4V6H5V19A2,2 0 0,0 7,21H17A2,2 0 0,0 19,19V6H20V4H15V3H9M7,6H17V19H7V6M9,8V17H11V8H9M13,8V17H15V8H13Z" / > < / svg > ';
trash.style.position = "absolute";
trash.style.left = (renderX) + "px";
trash.style.top = (renderY) + "px";
d.body.appendChild(trash);
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trash.addEventListener("click", (e)=>{
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trash.parentNode.removeChild(trash);
thisDeleteMarker.parentNode.removeChild(thisDeleteMarker);
thisColorPickerMarker.parentNode.removeChild(thisColorPickerMarker);
thisColorMarker.parentNode.removeChild(thisColorMarker);
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thisColorPicker.parentNode.removeChild(thisColorPicker);
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updateGradient();
});
e.stopPropagation();
// Add event listener to close the trashcan on outside click
d.addEventListener("click", removeTrashcan);
e.stopPropagation();
}
function removeTrashcan(event) {
trash = gId("trash");
if (event.target != trash & & trash) {
trash.parentNode.removeChild(trash);
d.removeEventListener("click", removeTrashcan);
}
}
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function chkW() {
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//Possibly add more code that recalculates the gradient... Massive job ;)
const wrap = gId('wrap');
const head = gId('head');
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if (wrap.offsetWidth < 600 ) {
head.style.display = 'none';
} else {
head.style.display = 'inline';
}
}
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function calcJSON() {
let rStr = '{"palette":['
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Object.entries(tCol).forEach(([p, c]) => {
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if (p > 0) rStr += ',';
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rStr += `${p},"${c.slice(1)}"`; // store in hex notation
//rStr += `${p},${parseInt(c.slice(1, 3), 16)},${parseInt(c.slice(3, 5), 16)},${parseInt(c.slice(5, 7), 16)}`;
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});
rStr += ']}';
return rStr;
}
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function initiateUpload(idx) {
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const data = calcJSON();
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const fileName = `/palette${idx}.json`;
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uploadJSON(data, fileName);
}
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function uploadJSON(jsonString, fileName) {
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//Some indication on "I'm working"
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var req = new XMLHttpRequest();
var blob = new Blob([jsonString], {type: "application/json"});
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req.addEventListener('load', ()=>{
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console.log(this.responseText, ' - ', this.status)
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localStorage.removeItem('wledPalx');
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//setTimeout(()=>{
// ss.setAttribute('fill', '#fff');
//}, 1000);
//setTimeout(()=>{window.location.href='/';},2000);
window.location.href = '/'; //Guessing we want to return ASAP when we get confirmation save is done
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});
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req.addEventListener('error', (e)=>{
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console.log('Error: ', e); console.log(' Status: ', this.status);
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//Show some error notification for some time
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setTimeout(()=>{
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//Remove it when time has pased
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}, 1000);
});
req.open("POST", "/upload");
var formData = new FormData();
formData.append("data", blob, fileName);
req.send(formData);
return false;
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}
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async function getInfo() {
hst = location.host;
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if (hst.length > 0 ) {
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try {
var arr = [];
const response = await fetch('http://'+hst+'/json/info');
const json = await response.json();
cpalc = json.cpalcount;
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fetchPalettes(cpalc-1);
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} catch (error) {
console.error(error);
}
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} else {
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console.error('cannot identify host');
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}
}
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async function fetchPalettes(lastPal) {
paletteArray.length = 0;
for (let i = 0; i < = lastPal; i++) {
const url = `http://${hst}/palette${i}.json`;
try {
const response = await fetch(url);
const json = await response.json();
paletteArray.push(json);
} catch (error) {
console.error(`Error fetching JSON from ${url}: `, error);
}
}
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//If there is room for more custom palettes, add an empty, gray slot
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if (paletteArray.length < 10 ) {
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//Room for one more :)
paletteArray.push({"palette":[0,70,70,70,255,70,70,70]});
}
//Get static palettes from localStorage and do some magic to reformat them into the same format as the pallete JSONs
//This code excludes any objects with "non valid integer colors", i.e. r, c1, c2, c3 and such
//This code also fixes potentially broken palettes which doesn't end on 255
//The code finally also removes any representations of the custom palettes, since we read them from file
const wledPalx = JSON.parse(localStorage.getItem('wledPalx'));
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if (!wledPalx) {
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alert("The cache of palettes are missig from your browser. You should probably return to the main page and let it load properly for the palettes cache to regenerate before returning here.","Missing cached palettes!")
} else {
for (const key in wledPalx.p) {
if (key > 245) {
delete wledPalx.p[key];
continue;
}
const arr = wledPalx.p[key];
let valid = true;
for (const subArr of arr) {
if (!Array.isArray(subArr) || subArr.length !== 4) {
valid = false;
break;
}
for (const val of subArr) {
if (typeof val !== 'number' || val < 0 | | val > 255 || !Number.isInteger(val)) {
valid = false;
break;
}
}
}
if (!valid) {
delete wledPalx.p[key];
continue;
}
const lastArr = arr[arr.length - 1];
if (lastArr[0] !== 255) {
const copyArr = [...lastArr];
copyArr[0] = 255;
arr.push(copyArr);
}
}
const pArray = Object.entries(wledPalx.p).map(([key, value]) => ({
[key]: value.flat()
}));
paletteArray.push( ...pArray);
}
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generatePaletteDivs();
}
function generatePaletteDivs() {
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const palettesDiv = d.getElementById("palettes");
const staticPalettesDiv = d.getElementById("staticPalettes");
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const paletteDivs = Array.from(palettesDiv.children).filter((child) => {
return child.id.match(/^palette\d$/); // match only elements with id starting with "palette" followed by a single digit
});
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for (const div of paletteDivs) {
palettesDiv.removeChild(div); // remove each div that matches the above selector
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}
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for (let i = 0; i < paletteArray.length ; i + + ) {
const palette = paletteArray[i];
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const paletteDiv = d.createElement("div");
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paletteDiv.id = `palette${i}`;
paletteDiv.classList.add("palette");
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const thisKey = Object.keys(palette)[0];
paletteDiv.dataset.colarray = JSON.stringify(palette[thisKey]);
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const gradientDiv = d.createElement("div");
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gradientDiv.id = `paletteGradient${i}`
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const buttonsDiv = d.createElement("div");
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buttonsDiv.id = `buttonsDiv${i}`;
buttonsDiv.classList.add("buttonsDiv")
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const sendSpan = d.createElement("span");
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sendSpan.id = `sendSpan${i}`;
sendSpan.onclick = function() {initiateUpload(i)};
sendSpan.setAttribute('title', `Send current editor to slot ${i}`); // perhaps Save instead of Send?
sendSpan.innerHTML = svgSave;
sendSpan.classList.add("sendSpan")
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const editSpan = d.createElement("span");
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editSpan.id = `editSpan${i}`;
editSpan.onclick = function() {loadForEdit(i)};
editSpan.setAttribute('title', `Copy slot ${i} palette to editor`);
editSpan.innerHTML = svgEdit;
editSpan.classList.add("editSpan")
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gradientDiv.classList.add("paletteGradients");
let gradientColors = "";
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for (let j = 0; j < palette [ thisKey ] . length ; j + = 2 ) {
const position = palette[thisKey][j];
if (typeof(palette[thisKey][j+1]) === "string") {
gradientColors += `#${palette[thisKey][j+1]} ${position/255*100}%, `;
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} else {
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const red = palette[thisKey][j + 1];
const green = palette[thisKey][j + 2];
const blue = palette[thisKey][j + 3];
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gradientColors += `rgba(${red}, ${green}, ${blue}, 1) ${position/255*100}%, `;
j += 2;
}
}
gradientColors = gradientColors.slice(0, -2); // remove the last comma and space
gradientDiv.style.backgroundImage = `linear-gradient(to right, ${gradientColors})`;
paletteDiv.className = "palGradientParent";
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if (thisKey == "palette") {
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buttonsDiv.appendChild(sendSpan); //Only offer to send to custom palettes
} else{
editSpan.style.marginLeft = "25px";
}
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if (i!=cpalc) {
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buttonsDiv.appendChild(editSpan); //Dont offer to edit the empty spot
}
paletteDiv.appendChild(gradientDiv);
paletteDiv.appendChild(buttonsDiv);
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if (thisKey == "palette") {
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palettesDiv.appendChild(paletteDiv);
} else {
staticPalettesDiv.appendChild(paletteDiv);
}
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}
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}
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function loadForEdit(i) {
d.querySelectorAll('input[id^="colorPicker"]').forEach((input) => {
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input.parentNode.removeChild(input);
});
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d.querySelectorAll('span[id^="colorMarker"], span[id^="colorPickerMarker"], span[id^="deleteMarker"]').forEach((span) => {
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span.parentNode.removeChild(span);
});
let colArray = JSON.parse(gId(`palette${i}`).getAttribute("data-colarray"));
for (let j = 0; j < colArray.length ; j + = 2 ) {
const position = colArray[j];
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let hex;
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if (typeof(colArray[j+1]) === "string") {
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hex = `#${colArray[j+1]}`;
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} else {
const red = colArray[j + 1];
const green = colArray[j + 2];
const blue = colArray[j + 3];
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hex = rgbToHex(red, green, blue);
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j += 2;
}
addC(position, hex);
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window.scroll(0, 0);
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}
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}
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function rgbToHex(r, g, b) {
const hex = ((r < < 16 ) | ( g < < 8 ) | b ) . toString ( 16 ) ;
return "#" + "0".repeat(6 - hex.length) + hex;
}
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< / script >
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< / html >
