/**
* https://github.com/sunag/flow
*/
function __flow__addCSS( css ) {
try {
const style = document.createElement( 'style' );
style.setAttribute( 'type', 'text/css' );
style.innerHTML = css;
document.head.appendChild( style );
} catch( e ) {}
}
__flow__addCSS( `f-canvas,f-canvas canvas { position: absolute; top: 0; left: 0; margin: 0; padding: 0; width: 100%; height: 100%; -webkit-touch-callout: none; }f-canvas { overflow: auto; cursor: grab;}f-canvas canvas.front { z-index: 10;}body.dragging f-canvas,body.connecting f-canvas { overflow: hidden !important;}body.dragging *:not(.drag) { pointer-events: none !important;}f-canvas.grabbing * { cursor: grabbing; user-select: none;}f-canvas canvas { position: fixed; overflow: hidden; pointer-events: none;}f-canvas::-webkit-scrollbar { width: 8px; height: 8px;}f-canvas::-webkit-scrollbar-thumb:hover{ background: #014fc5;}f-canvas::-webkit-scrollbar-track { background: #363636;}f-canvas::-webkit-scrollbar-thumb { background-color: #666666; border-radius: 10px; border: 0;}f-canvas f-content,f-canvas f-area { position: absolute; display: block;}f-node { position: absolute; margin: 0; padding: 0; user-select: none; width: 320px; z-index: 1; cursor: auto; filter: drop-shadow(0 0 10px #00000061); backdrop-filter: blur(4px);}f-node.selected { z-index: 2;}f-node.selected,f-canvas.dragging-rio f-node:hover,f-canvas.dragging-lio f-node:hover { filter: drop-shadow(0 0 10px #00000061) drop-shadow(0 0 8px #4444dd);}f-node.closed f-element:not(:first-child) { display: none;}f-node.center { top: 50%; left: 50%; transform: translate( -50%, -50% );}f-node.top-right { top: 0; right: 0;}f-node.top-center { top: 0; left: 50%; transform: translateX( -50% );}f-node.top-left { top: 0; left: 0;}f-node { transition: filter 0.2s ease;}@keyframes f-open { 0% { transform: scale(.5); filter: blur(30px); } 100% { transform: scale(1); filter: unset }}f-node { animation: .2s f-open 1 alternate ease-out;}f-menu,f-menu button,f-element,f-element input,f-element select,f-element button,f-element textarea { font-family: 'Open Sans', sans-serif; font-size: 13px; text-transform: capitalize; color: #eeeeee; outline: solid 0px #000; letter-spacing: .2px; margin: 0; padding: 0; border: 0; user-select: none; -webkit-tap-highlight-color: transparent; transition: background 0.2s ease;}f-element input { transition: background 0.1s ease;}f-element input,f-element select,f-element button,f-element textarea { background-color: #242427;}f-element { position: relative; width: calc( 100% - 14px ); background: rgba(45, 45, 48, 0.95); pointer-events: auto; border-bottom: 2px solid #232323; display: flex; padding-left: 7px; padding-right: 7px; padding-top: 2px; padding-bottom: 2px;}f-element { height: 24px;}f-element input { margin-top: 2px; margin-bottom: 2px; box-shadow: inset 0px 1px 1px rgb(0 0 0 / 20%), 0px 1px 0px rgb(255 255 255 / 5%); margin-left: 2px; margin-right: 2px; width: 100%; padding-left: 4px; padding-right: 4px;}f-element input.number { cursor: col-resize;}f-element input:focus[type='text'], f-element input:focus[type='range'], f-element input:focus[type='color'] { background: rgba( 0, 0, 0, 0.6 ); outline: solid 1px rgba( 0, 80, 200, 0.98 );}f-element input[type='color'] { appearance: none; padding: 0; margin-left: 2px; margin-right: 2px; height: calc( 100% - 4px ); margin-top: 2px; border: none; }f-element input[type='color']::-webkit-color-swatch-wrapper { padding: 2px;}f-element input[type='color']::-webkit-color-swatch { border: none; cursor: alias;}f-element input[type='range'] { appearance: none; width: 100%; overflow: hidden; padding: 0; cursor: ew-resize;}f-element input[type='range']::-webkit-slider-runnable-track { appearance: none; height: 10px; color: #13bba4; margin: 0;}f-element input[type='range']::-webkit-slider-thumb { appearance: none; width: 0; background: #434343; box-shadow: -500px 0 0 500px rgba( 0, 120, 255, 0.98 ); border-radius: 50%; border: 0 !important;}f-element input[type='range']::-webkit-slider-runnable-track { margin-left: -4px; margin-right: -5px;}f-element input[type='checkbox'] { appearance: none; cursor: pointer;}f-element input[type='checkbox'].toggle { height: 20px; width: 45px; border-radius: 16px; display: inline-block; position: relative; margin: 0; margin-top: 2px; background: linear-gradient( 0deg, #292929 0%, #0a0a0ac2 100% ); transition: all 0.2s ease;}f-element input[type='checkbox'].toggle:after { content: ""; position: absolute; top: 2px; left: 2px; width: 16px; height: 16px; border-radius: 50%; background: white; box-shadow: 0 1px 2px rgba(44, 44, 44, 0.2); transition: all 0.2s cubic-bezier(0.5, 0.1, 0.75, 1.35);}f-element input[type='checkbox'].toggle:checked { background: linear-gradient( 0deg, #0177fb 0%, #0177fb 100% );}f-element input[type='checkbox'].toggle:checked:after { transform: translatex(25px);}f-element.auto-height { display: table;}f-element textarea { width: calc( 100% - 18px ); padding-top: 1px; padding-bottom: 3px; padding-left: 3px; padding-right: 8px; margin-top: 2px; margin-left: 2px; height: calc( 100% - 8px ); max-height: 300px; border-radius: 2px; resize: none; box-shadow: inset 0px 1px 1px rgb(0 0 0 / 20%), 0px 1px 0px rgb(255 255 255 / 5%);}f-element.auto-height textarea { resize: auto;}f-element select { width: 100%; margin-top: 2px; margin-bottom: 2px; margin-left: 2px; margin-right: 2px; padding-left: 5px; cursor: pointer; box-shadow: inset 0px 1px 1px rgb(0 0 0 / 20%), 0px 1px 0px rgb(255 255 255 / 5%);}f-element f-toolbar { position: absolute; display: flex; top: 0; width: 100%; height: 100%; align-content: space-around;}f-element.output-right f-toolbar { right: 7px; float: right; justify-content: end;}f-element f-toolbar { margin-top: auto; margin-bottom: auto; margin-left: 3px; margin-right: 3px; font-size: 18px; line-height: 18px;}f-element f-toolbar button { opacity: .7; cursor: pointer; font-size: 14px; width: unset; height: unset; border-radius: unset; border: unset; outline: 0; background-color: unset; box-shadow: unset;}f-element f-toolbar button:hover,f-element f-toolbar button:active { opacity: 1; border: 0; background-color: unset;}f-element input.range-value { width: 60px; text-align: center;}f-menu.context button,f-element button { width: 100%; height: calc( 100% - 4px ); margin-left: 2px; margin-right: 2px; margin-top: 2px; border-radius: 3px; cursor: pointer;}f-element button { box-shadow: inset 1px 1px 1px 0 rgb(255 255 255 / 17%), inset -2px -2px 2px 0 rgb(0 0 0 / 26%);}f-element button:hover { color: #fff; background-color: #2a2a2a;}f-element button:active { border: 1px solid rgba( 0, 120, 255, 0.98 );}f-element f-inputs,f-element f-subinputs { display: flex; width: 100%;}f-element f-inputs { left: 100px; top: 50%; transform: translateY(-50%); position: absolute; width: calc( 100% - 106px ); height: calc( 100% - 4px ); z-index: 1;}f-element f-label,f-element span { margin: auto; text-shadow: 1px 1px 0px #0007;}f-element f-label { padding-left: 4px; white-space: nowrap; position: absolute; top: 50%; transform: translateY(-50%); width: calc( 100% - 20px );}f-element.right f-label { text-align: right;}f-element f-label i { float: left; font-size: 18px; margin-right: 6px;}f-element f-label.center { width: 100%; text-align: center; display: block;}f-element.title { height: 29px; background-color: #3a3a3ab0; background-color: #3b3b43ed; cursor: all-scroll; border-top-left-radius: 6px; border-top-right-radius: 6px;}f-element.blue { background-color: #014fc5;}f-element.red { background-color: #bd0b0b;}f-element.green { background-color: #148d05;}f-element.yellow { background-color: #d6b100;}f-element.title.left { text-align: left; display: inline-grid; justify-content: start;}f-element.title span { text-align: center; font-size: 15px; padding-top: 2px;}f-element.title i { font-size: 18px; position: absolute; right: 10px; top: 50%; transform: translateY(-50%); opacity: .5;}f-element.output-right.title i { left: 10px; right: unset;}f-element.title.left span { text-align: left;}f-element f-io { border: 2px solid #dadada; width: 7px; height: 7px; position: absolute; background: #242427; border-radius: 8px; float: left; left: -7px; top: calc( 50% - 5px ); cursor: alias; box-shadow: 0 0 3px 2px #0000005e; z-index: 1;}f-element f-io.connect,f-canvas.dragging-rio f-element:hover f-io.lio,f-canvas.dragging-lio f-element:hover f-io.rio { border: 2px solid #0177fb; zoom: 1.4;}f-node.io-connect f-io:not(.connect) { border: 2px solid #dadada !important; zoom: 1 !important;}f-element f-io.rio { float: right; right: -7px; left: unset;}f-element f-disconnect { position: absolute; left: -35px; top: 50%; font-size: 22px; transform: translateY( -50% ); filter: drop-shadow(0 0 5px #000); text-shadow: 0px 0px 5px black; cursor: pointer;}f-element.output-right f-disconnect { right: -35px; left: unset;}f-element f-disconnect:hover { color: #ff3300;}f-element textarea::-webkit-scrollbar { width: 6px;}f-element textarea::-webkit-scrollbar-track { background: #111; } f-element textarea::-webkit-scrollbar-thumb { background: #0177fb; }f-element textarea::-webkit-scrollbar-thumb:hover { background: #1187ff; }f-element.small { height: 18px;}f-element.large { height: 36px;}body.connecting f-node:not(.io-connect) f-element:hover,f-element.select { background-color: rgba(61, 70, 82, 0.98);}f-tooltip { pointer-events: none;}f-tooltip { position: absolute; left: 0; top: 0; background: rgba(0,0,0,.8); backdrop-filter: blur(4px); font-size: 14px; padding: 7px; border-radius: 10px; top: 50%; transform: translateY(-50%); visibility: hidden; pointer-events: none; opacity: 0; transition: all 0.3s ease; z-index: 150; white-space: nowrap;}f-menu.context { position: absolute; width: 170px; padding: 2px; margin: 0; background: #17171794; z-index: 110; font-size: 12px; border-radius: 6px; backdrop-filter: blur(6px); border: 1px solid #7e7e7e45; box-shadow: 3px 3px 6px rgba(0,0,0,.2); transition: opacity 0.2s ease, transform 0.1s ease;}f-menu.context.hidden { visibility: hidden; opacity: 0;}f-menu.context f-item { display: block; position: relative; margin: 0; padding: 0; white-space: nowrap;}f-menu.context f-item.submenu::after { content: ""; position: absolute; right: 6px; top: 50%; -webkit-transform: translateY(-50%); transform: translateY(-50%); border: 5px solid transparent; border-left-color: #808080;}f-menu.context f-item:hover > f-menu,f-menu.context f-item.active > f-menu { visibility: unset; transform: unset; opacity: unset;}f-menu.context f-menu { top: 0px; left: calc( 100% - 4px );}f-menu.context f-item button { overflow: visible; display: block; width: calc( 100% - 6px ); text-align: left; cursor: pointer; white-space: nowrap; padding: 6px 8px; border-radius: 3px; background: #2d2d32; border: 0; color: #ddd; margin: 3px; text-shadow: 1px 1px 0px #0007;}f-menu.context f-item button i { float: left; font-size: 16px;}f-menu.context f-item button span { margin-left: 6px;}f-menu.context f-item:hover > button,f-menu.context f-item.active > button { color: #fff; background: #313136;}f-menu.context f-item button:active { outline: solid 1px rgba( 0, 80, 200, 0.98 );}f-menu.context f-item f-tooltip { margin-left: 120px;}f-menu.circle { position: absolute; left: 30px; top: 30px; z-index: 100;}f-menu.circle f-item { display: flex; justify-content: end; align-content: space-around; margin-bottom: 12px;}f-menu.circle f-item button { width: 50px; height: 50px; font-size: 26px; background: #17171794; border-radius: 50%; backdrop-filter: blur(6px); border: 1px solid #7e7e7e45; line-height: 100%; cursor: pointer; box-shadow: 3px 3px 6px rgba(0,0,0,.2);}f-menu.circle f-item f-tooltip { margin-left: 50px;}.f-rounded f-node f-element,.f-rounded f-node f-element.title.left { border-radius: 10px 5px 10px 5px;}.f-rounded f-node f-element input, .f-rounded f-node f-element select,.f-rounded f-node f-element button,.f-rounded f-node f-element textarea,.f-rounded f-node f-element input[type='checkbox'].toggle,.f-rounded f-node f-element input[type='checkbox'].toggle:after { border-radius: 20px 10px;}.f-rounded f-node f-element input { padding-left: 7px; padding-right: 7px;}.f-rounded f-menu.context,.f-rounded f-menu.context f-item button { border-radius: 20px 10px;}@media (hover: hover) and (pointer: fine) { f-element f-io:hover { border: 2px solid #0177fb; zoom: 1.4; } f-menu.circle f-item button:hover { background-color: #2a2a2a; } f-menu.circle f-item button:hover > f-tooltip, f-menu.context f-item button:hover > f-tooltip { visibility: visible; transform: translate(10px, -50%); opacity: 1; } f-menu.circle f-item button:focus > f-tooltip, f-menu.context f-item button:focus > f-tooltip { visibility: hidden; opacity: 0; }}f-canvas { will-change: top, left;}f-node { will-change: transform !important;}` );
const REVISION = '1';
let _id = 0;
class Serializer extends EventTarget {
constructor() {
super();
this._id = _id ++;
this._serializable = true;
}
get id() {
return this._id;
}
setSerializable( value ) {
this._serializable = value;
return this;
}
getSerializable() {
return this._serializable;
}
serialize( /*data*/ ) {
console.warn( 'Serializer: Abstract function.' );
}
deserialize( /*data*/ ) {
console.warn( 'Serializer: Abstract function.' );
}
toJSON( data = null ) {
let object = null;
const id = this.id;
if ( data !== null ) {
const objects = data.objects;
object = objects[ id ];
if ( object === undefined ) {
object = { objects };
this.serialize( object );
delete object.objects;
objects[ id ] = object;
}
} else {
object = { objects: {} };
this.serialize( object );
}
object.id = id;
object.type = this.constructor.name;
return object;
}
}
const draggableDOM = ( dom, callback = null, className = 'dragging' ) => {
let dragData = null;
const getZoom = () => {
let zoomDOM = dom;
while ( zoomDOM && zoomDOM !== document ) {
const zoom = zoomDOM.style.zoom;
if ( zoom ) {
return Number( zoom );
}
zoomDOM = zoomDOM.parentNode;
}
return 1;
};
const onMouseDown = ( e ) => {
const event = e.touches ? e.touches[ 0 ] : e;
e.stopImmediatePropagation();
dragData = {
client: { x: event.clientX, y: event.clientY },
delta: { x: 0, y: 0 },
start: { x: dom.offsetLeft, y: dom.offsetTop },
dragging: false,
isTouch: !! e.touches
};
window.addEventListener( 'mousemove', onGlobalMouseMove );
window.addEventListener( 'mouseup', onGlobalMouseUp );
window.addEventListener( 'touchmove', onGlobalMouseMove );
window.addEventListener( 'touchend', onGlobalMouseUp );
};
const onGlobalMouseMove = ( e ) => {
const { start, delta, client } = dragData;
const event = e.touches ? e.touches[ 0 ] : e;
const zoom = getZoom();
delta.x = ( event.clientX - client.x ) / zoom;
delta.y = ( event.clientY - client.y ) / zoom;
dragData.x = start.x + delta.x;
dragData.y = start.y + delta.y;
if ( dragData.dragging === true ) {
if ( callback !== null ) {
callback( dragData );
} else {
dom.style.cssText += `; left: ${ dragData.x }px; top: ${ dragData.y }px;`;
}
e.stopImmediatePropagation();
} else {
if ( Math.abs( delta.x ) > 2 || Math.abs( delta.y ) > 2 ) {
dragData.dragging = true;
dom.classList.add( 'drag' );
if ( className ) document.body.classList.add( className );
e.stopImmediatePropagation();
}
}
};
const onGlobalMouseUp = ( e ) => {
e.stopImmediatePropagation();
dom.classList.remove( 'drag' );
if ( className ) document.body.classList.remove( className );
window.removeEventListener( 'mousemove', onGlobalMouseMove );
window.removeEventListener( 'mouseup', onGlobalMouseUp );
window.removeEventListener( 'touchmove', onGlobalMouseMove );
window.removeEventListener( 'touchend', onGlobalMouseUp );
if ( callback === null ) {
dom.removeEventListener( 'mousedown', onMouseDown );
dom.removeEventListener( 'touchstart', onMouseDown );
}
dragData.dragging = false;
if ( callback !== null ) {
callback( dragData );
}
};
if ( dom instanceof Event ) {
const e = dom;
dom = e.target;
onMouseDown( e );
} else {
dom.addEventListener( 'mousedown', onMouseDown );
dom.addEventListener( 'touchstart', onMouseDown );
}
};
const dispatchEventList = ( list, ...params ) => {
for ( const callback of list ) {
callback( ...params );
}
};
const toPX = ( val ) => {
if ( isNaN( val ) === false ) {
val = `${ val }px`;
}
return val;
};
const toHex = ( val ) => {
if ( isNaN( val ) === false ) {
val = `#${ val.toString( 16 ).padStart( 6, '0' ) }`;
}
return val;
};
var Utils = /*#__PURE__*/Object.freeze({
__proto__: null,
draggableDOM: draggableDOM,
dispatchEventList: dispatchEventList,
toPX: toPX,
toHex: toHex
});
class Link {
constructor( inputElement = null, outputElement = null ) {
this.inputElement = inputElement;
this.outputElement = outputElement;
}
get lioElement() {
if ( Link.InputDirection === 'left' ) {
return this.outputElement;
} else {
return this.inputElement;
}
}
get rioElement() {
if ( Link.InputDirection === 'left' ) {
return this.inputElement;
} else {
return this.outputElement;
}
}
}
//Link.InputDirection = 'right';
Link.InputDirection = 'left';
let selected = null;
class Element extends Serializer {
constructor( draggable = false ) {
super();
const dom = document.createElement( 'f-element' );
dom.element = this;
const onSelect = ( e ) => {
let element = this;
if ( e.changedTouches && e.changedTouches.length > 0 ) {
const touch = e.changedTouches[ 0 ];
let overDOM = document.elementFromPoint( touch.clientX, touch.clientY );
while ( overDOM && ( ! overDOM.element || ! overDOM.element.isElement ) ) {
overDOM = overDOM.parentNode;
}
element = overDOM ? overDOM.element : null;
}
selected = element;
};
if ( draggable === false ) {
dom.ontouchstart = dom.onmousedown = ( e ) => {
e.stopPropagation();
};
}
dom.addEventListener( 'mouseup', onSelect, true );
dom.addEventListener( 'touchend', onSelect );
this.inputs = [];
this.links = [];
this.dom = dom;
this.lioLength = 0;
this.rioLength = 0;
this.events = {
'connect': [],
'connectChildren': []
};
this.node = null;
this.style = '';
this.extra = null;
this.visible = true;
this.inputsDOM = dom;
this.disconnectDOM = null;
this.lioDOM = this._createIO( 'lio' );
this.rioDOM = this._createIO( 'rio' );
this.dom.classList.add( `output-${ Link.InputDirection }` );
this.dom.appendChild( this.lioDOM );
this.dom.appendChild( this.rioDOM );
this.addEventListener( 'connect', ( ) => {
dispatchEventList( this.events.connect, this );
} );
this.addEventListener( 'connectChildren', ( ) => {
dispatchEventList( this.events.connectChildren, this );
} );
}
onConnect( callback, childrens = false ) {
this.events.connect.push( callback );
if ( childrens ) {
this.events.connectChildren.push( callback );
}
return this;
}
setExtra( value ) {
this.extra = value;
return this;
}
getExtra() {
return this.extra;
}
setVisible( value ) {
this.visible = value;
this.dom.style.display = value ? '' : 'none';
return this;
}
getVisible() {
return this.visible;
}
setStyle( style ) {
const dom = this.dom;
if ( this.style ) dom.classList.remove( this.style );
if ( style ) dom.classList.add( style );
this.style = style;
return this;
}
setInput( length ) {
if ( Link.InputDirection === 'left' ) {
return this.setLIO( length );
} else {
return this.setRIO( length );
}
}
setOutput( length ) {
if ( Link.InputDirection === 'left' ) {
return this.setRIO( length );
} else {
return this.setLIO( length );
}
}
get inputLength() {
if ( Link.InputDirection === 'left' ) {
return this.lioLength;
} else {
return this.rioLength;
}
}
get outputLength() {
if ( Link.InputDirection === 'left' ) {
return this.rioLength;
} else {
return this.lioLength;
}
}
setLIO( length ) {
this.lioLength = length;
this.lioDOM.style.visibility = length > 0 ? '' : 'hidden';
return this;
}
setRIO( length ) {
this.rioLength = length;
this.rioDOM.style.visibility = length > 0 ? '' : 'hidden';
return this;
}
add( input ) {
this.inputs.push( input );
input.element = this;
this.inputsDOM.appendChild( input.dom );
return this;
}
setHeight( val ) {
this.dom.style.height = toPX( val );
return this;
}
getHeight() {
return this.dom.style.height;
}
connect( element = null ) {
if ( this.disconnectDOM !== null ) {
// remove the current input
this.disconnectDOM.dispatchEvent( new Event( 'disconnect' ) );
}
if ( element !== null ) {
const link = new Link( this, element );
this.links.push( link );
if ( this.disconnectDOM === null ) {
this.disconnectDOM = document.createElement( 'f-disconnect' );
this.disconnectDOM.innerText = '✖';
this.dom.appendChild( this.disconnectDOM );
const onDisconnect = () => {
this.links = [];
this.dom.removeChild( this.disconnectDOM );
this.disconnectDOM.removeEventListener( 'mousedown', onClick, true );
this.disconnectDOM.removeEventListener( 'touchstart', onClick, true );
this.disconnectDOM.removeEventListener( 'disconnect', onDisconnect, true );
element.removeEventListener( 'connect', onConnect );
element.removeEventListener( 'connectChildren', onConnect );
element.removeEventListener( 'nodeConnect', onConnect );
element.removeEventListener( 'nodeConnectChildren', onConnect );
element.removeEventListener( 'dispose', onDispose );
this.disconnectDOM = null;
};
const onConnect = ( e ) => {
this.dispatchEvent( new Event( 'connectChildren' ) );
};
const onDispose = () => {
this.connect();
};
const onClick = ( e ) => {
e.stopPropagation();
this.connect();
};
this.disconnectDOM.addEventListener( 'mousedown', onClick, true );
this.disconnectDOM.addEventListener( 'touchstart', onClick, true );
this.disconnectDOM.addEventListener( 'disconnect', onDisconnect, true );
element.addEventListener( 'connect', onConnect );
element.addEventListener( 'connectChildren', onConnect );
element.addEventListener( 'nodeConnect', onConnect );
element.addEventListener( 'nodeConnectChildren', onConnect );
element.addEventListener( 'dispose', onDispose );
}
}
this.dispatchEvent( new Event( 'connect' ) );
return this;
}
dispose() {
this.dispatchEvent( new Event( 'dispose' ) );
}
serialize( data ) {
const height = this.getHeight();
const inputs = [];
const links = [];
for ( const input of this.inputs ) {
inputs.push( input.toJSON( data ).id );
}
for ( const link of this.links ) {
if ( link.inputElement !== null && link.outputElement !== null ) {
links.push( link.outputElement.toJSON( data ).id );
}
}
if ( this.inputLength > 0 ) data.inputLength = this.inputLength;
if ( this.outputLength > 0 ) data.outputLength = this.outputLength;
if ( inputs.length > 0 ) data.inputs = inputs;
if ( links.length > 0 ) data.links = links;
if ( this.style !== '' ) {
data.style = this.style;
}
if ( height !== '' ) {
data.height = height;
}
}
deserialize( data ) {
if ( data.inputLength !== undefined ) this.setInput( data.inputLength );
if ( data.outputLength !== undefined ) this.setOutput( data.outputLength );
if ( data.inputs !== undefined ) {
const inputs = this.inputs;
if ( inputs.length > 0 ) {
let index = 0;
for ( const id of data.inputs ) {
data.objects[ id ] = inputs[ index ++ ];
}
} else {
for ( const id of data.inputs ) {
this.add( data.objects[ id ] );
}
}
}
if ( data.links !== undefined ) {
for ( const id of data.links ) {
this.connect( data.objects[ id ] );
}
}
if ( data.style !== undefined ) {
this.setStyle( data.style );
}
if ( data.height !== undefined ) {
this.setHeight( data.height );
}
}
get linkedExtra() {
const linkedElement = this.linkedElement;
return linkedElement ? linkedElement.getExtra() : null;
}
get linkedElement() {
const link = this.link;
return link ? link.outputElement : null;
}
get link() {
return this.links[ 0 ];
}
_createIO( type ) {
const { dom } = this;
const ioDOM = document.createElement( 'f-io' );
ioDOM.style.visibility = 'hidden';
ioDOM.className = type;
const onConnectEvent = ( e ) => {
e.preventDefault();
e.stopPropagation();
selected = null;
const nodeDOM = this.node.dom;
nodeDOM.classList.add( 'io-connect' );
ioDOM.classList.add( 'connect' );
dom.classList.add( 'select' );
const defaultOutput = Link.InputDirection === 'left' ? 'lio' : 'rio';
const link = type === defaultOutput ? new Link( this ) : new Link( null, this );
this.links.push( link );
draggableDOM( e, ( data ) => {
if ( data.dragging === false ) {
nodeDOM.classList.remove( 'io-connect' );
ioDOM.classList.remove( 'connect' );
dom.classList.remove( 'select' );
this.links.splice( this.links.indexOf( link ), 1 );
if ( selected !== null ) {
if ( type === defaultOutput ) {
link.outputElement = selected;
} else {
link.inputElement = selected;
}
// check if is an is circular link
if ( link.outputElement.node.isCircular( link.inputElement.node ) ) {
return;
}
//
if ( link.inputElement.inputLength > 0 && link.outputElement.outputLength > 0 ) {
link.inputElement.connect( link.outputElement );
}
}
}
}, 'connecting' );
};
ioDOM.addEventListener( 'mousedown', onConnectEvent, true );
ioDOM.addEventListener( 'touchstart', onConnectEvent, true );
return ioDOM;
}
}
Element.prototype.isElement = true;
class Input extends Serializer {
constructor( dom ) {
super();
this.dom = dom;
this.element = null;
this.extra = null;
this.events = {
'change': [],
'click': []
};
this.addEventListener( 'change', ( ) => {
dispatchEventList( this.events.change, this );
} );
this.addEventListener( 'click', ( ) => {
dispatchEventList( this.events.click, this );
} );
}
setExtra( value ) {
this.extra = value;
return this;
}
getExtra() {
return this.extra;
}
setToolTip( text ) {
const div = document.createElement( 'f-tooltip' );
div.innerText = text;
this.dom.appendChild( div );
return this;
}
onChange( callback ) {
this.events.change.push( callback );
return this;
}
onClick( callback ) {
this.events.click.push( callback );
return this;
}
setValue( value, dispatch = true ) {
this.dom.value = value;
if ( dispatch ) this.dispatchEvent( new Event( 'change' ) );
return this;
}
getValue() {
return this.dom.value;
}
serialize( data ) {
data.value = this.getValue();
}
deserialize( data ) {
this.setValue( data.value );
}
}
Input.prototype.isInput = true;
class Node extends Serializer {
constructor() {
super();
const dom = document.createElement( 'f-node' );
const onDown = () => {
const canvas = this.canvas;
if ( canvas !== null ) {
canvas.select( this );
}
};
dom.addEventListener( 'mousedown', onDown, true );
dom.addEventListener( 'touchstart', onDown, true );
this._onConnect = ( e ) => {
const { target } = e;
for ( const element of this.elements ) {
if ( element !== target ) {
element.dispatchEvent( new Event( 'nodeConnect' ) );
}
}
};
this._onConnectChildren = ( e ) => {
const { target } = e;
for ( const element of this.elements ) {
if ( element !== target ) {
element.dispatchEvent( new Event( 'nodeConnectChildren' ) );
}
}
};
this.dom = dom;
this.style = '';
this.canvas = null;
this.elements = [];
this.events = {
'focus': [],
'blur': []
};
this.setPosition( 0, 0 );
}
onFocus( callback ) {
this.events.focus.push( callback );
return this;
}
onBlur( callback ) {
this.events.blur.push( callback );
return this;
}
setStyle( style ) {
const dom = this.dom;
if ( this.style ) dom.classList.remove( this.style );
if ( style ) dom.classList.add( style );
this.style = style;
return this;
}
setPosition( x, y ) {
const dom = this.dom;
dom.style.left = toPX( x );
dom.style.top = toPX( y );
return this;
}
getPosition() {
const dom = this.dom;
return {
x: parseInt( dom.style.left ),
y: parseInt( dom.style.top )
};
}
setWidth( val ) {
this.dom.style.width = toPX( val );
return this;
}
getWidth() {
return this.dom.style.width;
}
add( element ) {
this.elements.push( element );
element.node = this;
element.addEventListener( 'connect', this._onConnect );
element.addEventListener( 'connectChildren', this._onConnectChildren );
this.dom.appendChild( element.dom );
return this;
}
remove( element ) {
this.elements.splice( this.elements.indexOf( element ), 1 );
element.node = null;
element.removeEventListener( 'connect', this._onConnect );
element.removeEventListener( 'connectChildren', this._onConnectChildren );
this.dom.removeChild( element.dom );
return this;
}
dispose() {
const canvas = this.canvas;
if ( canvas !== null ) canvas.remove( this );
for ( const element of this.elements ) {
element.dispose();
}
this.dispatchEvent( new Event( 'dispose' ) );
}
isCircular( node ) {
if ( node === this ) return true;
const links = this.getLinks();
for ( const link of links ) {
if ( link.outputElement.node.isCircular( node ) ) {
return true;
}
}
return false;
}
getLinks() {
const links = [];
for ( const element of this.elements ) {
links.push( ...element.links );
}
return links;
}
serialize( data ) {
const { x, y, style } = this.getPosition();
const elements = [];
for ( const element of this.elements ) {
elements.push( element.toJSON( data ).id );
}
data.x = x;
data.y = y;
data.width = this.getWidth();
data.elements = elements;
if ( style !== '' ) {
data.style = style;
}
}
deserialize( data ) {
this.setPosition( data.x, data.y );
this.setWidth( data.width );
if ( data.style !== undefined ) {
this.setStyle( data.style );
}
const elements = this.elements;
if ( elements.length > 0 ) {
let index = 0;
for ( const id of data.elements ) {
data.objects[ id ] = elements[ index ++ ];
}
} else {
for ( const id of data.elements ) {
this.add( data.objects[ id ] );
}
}
}
}
Node.prototype.isNode = true;
const drawLine = ( p1x, p1y, p2x, p2y, invert, size, color, ctx ) => {
const offset = 100 * ( invert ? - 1 : 1 );
ctx.beginPath();
ctx.moveTo( p1x, p1y );
ctx.bezierCurveTo(
p1x + offset, p1y,
p2x - offset, p2y,
p2x, p2y
);
ctx.lineWidth = size;
ctx.strokeStyle = color;
ctx.stroke();
};
const colors = [
'#ff4444',
'#44ff44',
'#4444ff'
];
class Canvas extends Serializer {
constructor() {
super();
const dom = document.createElement( 'f-canvas' );
const contentDOM = document.createElement( 'f-content' );
const areaDOM = document.createElement( 'f-area' );
const canvas = document.createElement( 'canvas' );
const frontCanvas = document.createElement( 'canvas' );
const context = canvas.getContext( '2d' );
const frontContext = frontCanvas.getContext( '2d' );
this.dom = dom;
this.contentDOM = contentDOM;
this.areaDOM = areaDOM;
this.canvas = canvas;
this.frontCanvas = frontCanvas;
this.context = context;
this.frontContext = frontContext;
this.width = 10000;
this.height = 10000;
this.clientX = 0;
this.clientY = 0;
this.relativeClientX = 0;
this.relativeClientY = 0;
this.zoom = 1;
this.nodes = [];
this.selected = null;
this.updating = false;
frontCanvas.className = 'front';
contentDOM.style.left = toPX( this.centerX );
contentDOM.style.top = toPX( this.centerY );
areaDOM.style.width = `calc( 100% + ${ this.width }px )`;
areaDOM.style.height = `calc( 100% + ${ this.height }px )`;
dom.appendChild( canvas );
dom.appendChild( frontCanvas );
dom.appendChild( contentDOM );
dom.appendChild( areaDOM );
/*
let zoomTouchData = null;
const onZoomStart = () => {
zoomTouchData = null;
};
*/
const onZoom = ( e ) => {
if ( e.touches ) {
if ( e.touches.length === 2 ) {
e.preventDefault();
e.stopImmediatePropagation();
/*
const clientX = ( e.touches[ 0 ].clientX + e.touches[ 1 ].clientX ) / 2;
const clientY = ( e.touches[ 0 ].clientY + e.touches[ 1 ].clientY ) / 2;
const distance = Math.hypot(
e.touches[ 0 ].clientX - e.touches[ 1 ].clientX,
e.touches[ 0 ].clientY - e.touches[ 1 ].clientY
);
if ( zoomTouchData === null ) {
zoomTouchData = {
distance
};
}
const delta = ( zoomTouchData.distance - distance );
zoomTouchData.distance = distance;
let zoom = Math.min( Math.max( this.zoom - delta * .01, .5 ), 1.2 );
if ( zoom < .52 ) zoom = .5;
else if ( zoom > .98 ) zoom = 1;
contentDOM.style.left = toPX( this.centerX / zoom );
contentDOM.style.top = toPX( this.centerY / zoom );
contentDOM.style.zoom = this.zoom = zoom;
*/
}
} else {
e.preventDefault();
e.stopImmediatePropagation();
/*
const delta = e.deltaY / 100;
const zoom = Math.min( Math.max( this.zoom - delta * .1, .5 ), 1 );
contentDOM.style.left = toPX( this.centerX / zoom );
contentDOM.style.top = toPX( this.centerY / zoom );
contentDOM.style.zoom = this.zoom = zoom;
*/
}
};
dom.addEventListener( 'wheel', onZoom );
dom.addEventListener( 'touchmove', onZoom );
//dom.addEventListener( 'touchstart', onZoomStart );
draggableDOM( dom, ( data ) => {
const { delta, isTouch } = data;
if ( ! isTouch ) {
if ( data.scrollTop === undefined ) {
data.scrollLeft = dom.scrollLeft;
data.scrollTop = dom.scrollTop;
}
dom.scrollLeft = data.scrollLeft - delta.x;
dom.scrollTop = data.scrollTop - delta.y;
}
if ( data.dragging ) {
dom.classList.add( 'grabbing' );
} else {
dom.classList.remove( 'grabbing' );
}
}, 'dragging-canvas' );
this._onMoveEvent = ( e ) => {
const event = e.touches ? e.touches[ 0 ] : e;
const { zoom, rect } = this;
this.clientX = event.clientX;
this.clientY = event.clientY;
this.relativeClientX = ( ( ( dom.scrollLeft - this.centerX ) + event.clientX ) - rect.left ) / zoom;
this.relativeClientY = ( ( ( dom.scrollTop - this.centerY ) + event.clientY ) - rect.top ) / zoom;
};
this._onContentLoaded = () => {
this.centralize();
};
this._onUpdate = () => {
this.update();
};
this.start();
}
get rect() {
return this.dom.getBoundingClientRect();
}
get relativeX() {
return this.dom.scrollLeft - this.centerX;
}
get relativeY() {
return this.dom.scrollTop - this.centerY;
}
get centerX() {
return this.width / 2;
}
get centerY() {
return this.height / 2;
}
start() {
this.updating = true;
document.addEventListener( 'wheel', this._onMoveEvent, true );
document.addEventListener( 'mousedown', this._onMoveEvent, true );
document.addEventListener( 'touchstart', this._onMoveEvent, true );
document.addEventListener( 'mousemove', this._onMoveEvent, true );
document.addEventListener( 'touchmove', this._onMoveEvent, true );
document.addEventListener( 'DOMContentLoaded', this._onContentLoaded );
requestAnimationFrame( this._onUpdate );
}
stop() {
this.updating = false;
document.removeEventListener( 'wheel', this._onMoveEvent, true );
document.removeEventListener( 'mousedown', this._onMoveEvent, true );
document.removeEventListener( 'touchstart', this._onMoveEvent, true );
document.removeEventListener( 'mousemove', this._onMoveEvent, true );
document.removeEventListener( 'touchmove', this._onMoveEvent, true );
document.removeEventListener( 'DOMContentLoaded', this._onContentLoaded );
}
add( node ) {
this.nodes.push( node );
node.canvas = this;
this.contentDOM.appendChild( node.dom );
return this;
}
remove( node ) {
if ( node === this.selected ) {
this.select();
}
this.unlink( node );
const nodes = this.nodes;
nodes.splice( nodes.indexOf( node ), 1 );
node.canvas = null;
this.contentDOM.removeChild( node.dom );
return this;
}
clear() {
const nodes = this.nodes;
while ( nodes.length > 0 ) {
this.remove( nodes[ 0 ] );
}
return this;
}
unlink( node ) {
const links = this.getLinks();
for ( const link of links ) {
if ( link.outputElement && link.outputElement.node === node ) {
link.inputElement.connect();
}
}
}
getLinks() {
const links = [];
for ( const node of this.nodes ) {
links.push( ...node.getLinks() );
}
return links;
}
centralize() {
this.dom.scroll( this.centerX, this.centerY );
return this;
}
select( node = null ) {
if ( node === this.selected ) return;
const previousNode = this.selected;
if ( previousNode !== null ) {
previousNode.dom.classList.remove( 'selected' );
this.selected = null;
dispatchEventList( previousNode.events.blur, previousNode );
}
if ( node !== null ) {
node.dom.classList.add( 'selected' );
this.selected = node;
dispatchEventList( node.events.focus, node );
}
}
update() {
if ( this.updating === false ) return;
requestAnimationFrame( this._onUpdate );
const { dom, zoom, canvas, frontCanvas, frontContext, context } = this;
const width = window.innerWidth;
const height = window.innerHeight;
const domRect = this.rect;
if ( canvas.width !== width || canvas.height !== height ) {
canvas.width = width;
canvas.height = height;
frontCanvas.width = width;
frontCanvas.height = height;
}
context.clearRect( 0, 0, width, height );
frontContext.clearRect( 0, 0, width, height );
context.globalCompositeOperation = 'lighter';
frontContext.globalCompositeOperation = 'source-over';
const links = this.getLinks();
const aPos = { x: 0, y: 0 };
const bPos = { x: 0, y: 0 };
const offsetIORadius = 10;
let dragging = '';
for ( const link of links ) {
const { lioElement, rioElement } = link;
let draggingLink = '';
let length = 0;
if ( lioElement !== null ) {
const rect = lioElement.dom.getBoundingClientRect();
length = Math.max( length, lioElement.rioLength );
aPos.x = rect.x + rect.width;
aPos.y = rect.y + ( rect.height / 2 );
} else {
aPos.x = this.clientX;
aPos.y = this.clientY;
draggingLink = 'lio';
}
if ( rioElement !== null ) {
const rect = rioElement.dom.getBoundingClientRect();
length = Math.max( length, rioElement.lioLength );
bPos.x = rect.x;
bPos.y = rect.y + ( rect.height / 2 );
} else {
bPos.x = this.clientX;
bPos.y = this.clientY;
draggingLink = 'rio';
}
dragging = dragging || draggingLink;
const drawContext = draggingLink ? frontContext : context;
if ( draggingLink || length === 1 ) {
if ( draggingLink === 'rio' ) {
aPos.x += offsetIORadius;
bPos.x /= zoom;
bPos.y /= zoom;
} else if ( draggingLink === 'lio' ) {
bPos.x -= offsetIORadius;
aPos.x /= zoom;
aPos.y /= zoom;
}
drawLine(
aPos.x * zoom, aPos.y * zoom,
bPos.x * zoom, bPos.y * zoom,
false, 2, '#ffffff', drawContext
);
} else {
length = Math.min( length, 4 );
for ( let i = 0; i < length; i ++ ) {
const color = colors[ i ] || '#ffffff';
const marginY = 4;
const rioLength = Math.min( lioElement.rioLength, length );
const lioLength = Math.min( rioElement.lioLength, length );
const aCenterY = ( ( rioLength * marginY ) * .5 ) - ( marginY / 2 );
const bCenterY = ( ( lioLength * marginY ) * .5 ) - ( marginY / 2 );
const aIndex = Math.min( i, rioLength - 1 );
const bIndex = Math.min( i, lioLength - 1 );
const aPosY = aIndex * marginY;
const bPosY = bIndex * marginY;
drawLine(
aPos.x * zoom, ( ( aPos.y + aPosY ) - aCenterY ) * zoom,
bPos.x * zoom, ( ( bPos.y + bPosY ) - bCenterY ) * zoom,
false, 2, color, drawContext
);
}
}
}
context.globalCompositeOperation = 'destination-in';
context.fillRect( domRect.x, domRect.y, domRect.width, domRect.height );
if ( dragging !== '' ) {
dom.classList.add( 'dragging-' + dragging );
} else {
dom.classList.remove( 'dragging-lio' );
dom.classList.remove( 'dragging-rio' );
}
}
serialize( data ) {
const nodes = [];
for ( const node of this.nodes ) {
nodes.push( node.toJSON( data ).id );
}
data.nodes = nodes;
}
deserialize( data ) {
for ( const id of data.nodes ) {
this.add( data.objects[ id ] );
}
}
}
class ButtonInput extends Input {
constructor( innterText = '' ) {
const dom = document.createElement( 'button' );
const spanDOM = document.createElement( 'span' );
dom.appendChild( spanDOM );
const iconDOM = document.createElement( 'i' );
dom.appendChild( iconDOM );
super( dom );
this.spanDOM = spanDOM;
this.iconDOM = iconDOM;
spanDOM.innerText = innterText;
dom.onmouseover = () => {
this.dispatchEvent( new Event( 'mouseover' ) );
};
dom.onclick = dom.ontouchstart = ( e ) => {
e.preventDefault();
e.stopPropagation();
this.dispatchEvent( new Event( 'click' ) );
};
}
setIcon( className ) {
this.iconDOM.className = className;
return this;
}
setValue( val ) {
this.spanDOM.innerText = val;
return this;
}
getValue() {
return this.spanDOM.innerText;
}
}
class DraggableElement extends Element {
constructor( draggable = true ) {
super( true );
this.draggable = draggable;
const onDrag = ( e ) => {
e.preventDefault();
if ( this.draggable === true ) {
draggableDOM( this.node.dom );
}
};
const { dom } = this;
dom.addEventListener( 'mousedown', onDrag, true );
dom.addEventListener( 'touchstart', onDrag, true );
}
}
class TitleElement extends DraggableElement {
constructor( title, draggable = true ) {
super( draggable );
const { dom } = this;
dom.className = 'title';
const spanDOM = document.createElement( 'span' );
spanDOM.innerText = title;
const iconDOM = document.createElement( 'i' );
const toolbarDOM = document.createElement( 'f-toolbar' );
this.buttons = [];
this.spanDOM = spanDOM;
this.iconDOM = iconDOM;
this.toolbarDOM = toolbarDOM;
dom.appendChild( spanDOM );
dom.appendChild( iconDOM );
dom.appendChild( toolbarDOM );
}
setIcon( value ) {
this.iconDOM.className = value;
return this;
}
getIcon() {
return this.iconDOM.className;
}
setTitle( value ) {
this.spanDOM.innerText = value;
return this;
}
getTitle() {
return this.spanDOM.innerText;
}
addButton( button ) {
this.buttons.push( button );
this.toolbarDOM.appendChild( button.dom );
return this;
}
serialize( data ) {
super.serialize( data );
const title = this.getTitle();
const icon = this.getIcon();
data.title = title;
if ( icon !== '' ) {
data.icon = icon;
}
}
deserialize( data ) {
super.deserialize( data );
this.setTitle( data.title );
if ( data.icon !== undefined ) {
this.setIcon( data.icon );
}
}
}
class ObjectNode extends Node {
constructor( name, inputLength, extra = null, width = 300 ) {
super();
this.setWidth( width );
const title = new TitleElement( name )
.setExtra( extra )
.setOutput( inputLength );
const closeButton = new ButtonInput( '✖' ).onClick( () => {
this.dispose();
} );
title.addButton( closeButton );
this.add( title );
this.title = title;
this.closeButton = closeButton;
}
setExtra( value ) {
this.title.setExtra( value );
return this;
}
getExtra( value ) {
return this.title.getExtra();
}
invalidate() {
this.title.dispatchEvent( new Event( 'connect' ) );
}
}
const ENTER_KEY$1 = 13;
class StringInput extends Input {
constructor( value = '' ) {
const dom = document.createElement( 'input' );
super( dom );
dom.type = 'text';
dom.value = value;
dom.spellcheck = false;
dom.autocomplete = 'off';
dom.onblur = () => {
this.dispatchEvent( new Event( 'blur' ) );
};
dom.onchange = () => {
this.dispatchEvent( new Event( 'change' ) );
};
dom.onkeyup = ( e ) => {
if ( e.keyCode === ENTER_KEY$1 ) {
e.target.blur();
}
e.stopPropagation();
this.dispatchEvent( new Event( 'change' ) );
};
}
}
const ENTER_KEY = 13;
class NumberInput extends Input {
constructor( value = 0, min = - Infinity, max = Infinity, step = .01 ) {
const dom = document.createElement( 'input' );
super( dom );
this.min = min;
this.max = max;
this.step = step;
this.integer = false;
dom.type = 'text';
dom.className = 'number';
dom.value = this._getString( value );
dom.spellcheck = false;
dom.autocomplete = 'off';
dom.ondragstart = dom.oncontextmenu = ( e ) => {
e.preventDefault();
e.stopPropagation();
};
dom.onfocus = dom.onclick = () => {
dom.select();
};
dom.onblur = () => {
this.dispatchEvent( new Event( 'blur' ) );
};
dom.onchange = () => {
this.dispatchEvent( new Event( 'change' ) );
};
dom.onkeydown = ( e ) => {
if ( e.key.length === 1 && /\d|\./.test( e.key ) !== true ) {
return false;
}
if ( e.keyCode === ENTER_KEY ) {
e.target.blur();
}
e.stopPropagation();
};
draggableDOM( dom, ( data ) => {
const { delta } = data;
if ( data.value === undefined ) {
data.value = this.getValue();
}
const diff = delta.x - delta.y;
const value = data.value + ( diff * this.step );
this.dom.value = this._getString( value.toFixed( this.precision ) );
this.dispatchEvent( new Event( 'change' ) );
} );
}
setRange( min, max, step ) {
this.min = min;
this.max = max;
this.step = step;
this.dispatchEvent( new Event( 'range' ) );
return this.setValue( this.getValue() );
}
get precision() {
if ( this.integer === true ) return 0;
const fract = this.step % 1;
return fract !== 0 ? fract.toString().split( '.' )[ 1 ].length : 1;
}
setValue( val, dispatch = true ) {
return super.setValue( this._getString( val ), dispatch );
}
getValue() {
return Number( this.dom.value );
}
serialize( data ) {
const { min, max } = this;
if ( min !== - Infinity && max !== Infinity ) {
data.min = this.min;
data.max = this.max;
data.step = this.step;
}
super.serialize( data );
}
deserialize( data ) {
if ( data.min !== undefined ) {
const { min, max, step } = this;
this.setRange( min, max, step );
}
super.deserialize( data );
}
_getString( value ) {
let num = Math.min( Math.max( Number( value ), this.min ), this.max );
if ( this.integer === true ) {
return Math.floor( num );
} else {
return num + ( num % 1 ? '' : '.0' );
}
}
}
const getStep = ( min, max ) => {
const sensibility = .001;
return ( max - min ) * sensibility;
};
class SliderInput extends Input {
constructor( value = 0, min = 0, max = 100 ) {
const dom = document.createElement( 'f-subinputs' );
super( dom );
value = Math.min( Math.max( value, min ), max );
const step = getStep( min, max );
const rangeDOM = document.createElement( 'input' );
rangeDOM.type = 'range';
rangeDOM.min = min;
rangeDOM.max = max;
rangeDOM.step = step;
rangeDOM.value = value;
const field = new NumberInput( value, min, max, step );
field.dom.className = 'range-value';
field.onChange( () => {
rangeDOM.value = field.getValue();
} );
field.addEventListener( 'range', () => {
rangeDOM.min = field.min;
rangeDOM.max = field.max;
rangeDOM.step = field.step;
rangeDOM.value = field.getValue();
} );
dom.appendChild( rangeDOM );
dom.appendChild( field.dom );
this.rangeDOM = rangeDOM;
this.field = field;
const updateRangeValue = () => {
let value = Number( rangeDOM.value );
if ( value !== this.max && value + this.step >= this.max ) {
// fix not end range fraction
rangeDOM.value = value = this.max;
}
this.field.setValue( value );
};
draggableDOM( rangeDOM, () => {
updateRangeValue();
this.dispatchEvent( new Event( 'change' ) );
}, '' );
}
get min() {
return this.field.min;
}
get max() {
return this.field.max;
}
get step() {
return this.field.step;
}
setRange( min, max ) {
this.field.setRange( min, max, getStep( min, max ) );
this.dispatchEvent( new Event( 'range' ) );
this.dispatchEvent( new Event( 'change' ) );
return this;
}
setValue( val, dispatch = true ) {
this.field.setValue( val );
this.rangeDOM.value = val;
if ( dispatch ) this.dispatchEvent( new Event( 'change' ) );
return this;
}
getValue() {
return this.field.getValue();
}
serialize( data ) {
data.min = this.min;
data.max = this.max;
super.serialize( data );
}
deserialize( data ) {
const { min, max } = data;
this.setRange( min, max );
super.deserialize( data );
}
}
class ColorInput extends Input {
constructor( value = 0x0099ff ) {
const dom = document.createElement( 'input' );
super( dom );
dom.type = 'color';
dom.value = toHex( value );
dom.oninput = () => {
this.dispatchEvent( new Event( 'change' ) );
};
}
setValue( value, dispatch = true ) {
return super.setValue( toHex( value ), dispatch );
}
getValue() {
return parseInt( super.getValue().substr( 1 ), 16 );
}
}
class TextInput extends Input {
constructor( innerText = '' ) {
const dom = document.createElement( 'textarea' );
super( dom );
dom.innerText = innerText;
}
setValue( val ) {
this.dom.innerText = val;
return this;
}
getValue() {
return this.dom.innerText;
}
}
class LabelElement extends Element {
constructor( label = '', align = '' ) {
super();
this.labelDOM = document.createElement( 'f-label' );
this.inputsDOM = document.createElement( 'f-inputs' );
const spanDOM = document.createElement( 'span' );
const iconDOM = document.createElement( 'i' );
this.spanDOM = spanDOM;
this.iconDOM = iconDOM;
this.labelDOM.appendChild( this.spanDOM );
this.labelDOM.appendChild( this.iconDOM );
this.dom.appendChild( this.labelDOM );
this.dom.appendChild( this.inputsDOM );
this.setLabel( label );
this.setAlign( align );
}
setIcon( value ) {
this.iconDOM.className = value;
return this;
}
getIcon() {
return this.iconDOM.className;
}
setAlign( align ) {
this.labelDOM.className = align;
}
setLabel( val ) {
this.spanDOM.innerText = val;
}
getLabel() {
return this.spanDOM.innerText;
}
serialize( data ) {
super.serialize( data );
const label = this.getLabel();
const icon = this.getIcon();
data.label = label;
if ( icon !== '' ) {
data.icon = icon;
}
}
deserialize( data ) {
super.deserialize( data );
this.setLabel( data.label );
if ( data.icon !== undefined ) {
this.setIcon( data.icon );
}
}
}
class PanelNode extends Node {
constructor( title = 'Panel', align = 'top-right' ) {
super();
const titleElement = new TitleElement( title );
this.add( titleElement );
const collapseButton = new ButtonInput( '🗕' );
collapseButton.onClick( () => {
this.setCollapse( ! this.collapsed );
} );
titleElement.addButton( collapseButton );
this.collapseButton = collapseButton;
this.titleElement = titleElement;
this.align = align;
this.collapsed = false;
this.setAlign( align );
this.setStyle( 'rouded' );
}
setCollapse( value ) {
const cssClass = 'closed';
this.dom.classList.remove( cssClass );
this.collapsed = value;
this.collapseButton.value = value ? '🗖' : '🗕';
if ( value === true ) {
this.dom.classList.add( cssClass );
}
return this;
}
setAlign( align ) {
if ( this.align ) this.dom.classList.remove( this.align );
this.dom.classList.add( align );
this.align = align;
return this;
}
addInput( inputClass, object, property, ...params ) {
const value = object[ property ];
const input = new inputClass( value, ...params );
input.onChange( () => {
object[ property ] = input.value;
} );
this.add( new LabelElement( property ).add( input ) );
return input;
}
addSlider( object, property, min, max ) {
return this.addInput( SliderInput, object, property, min, max );
}
addNumber( object, property ) {
return this.addInput( NumberInput, object, property );
}
addColor( object, property ) {
return this.addInput( ColorInput, object, property );
}
addString( object, property ) {
return this.addInput( StringInput, object, property );
}
addText( object, property ) {
const input = this.addInput( TextInput, object, property );
input.element.setHeight( 70 );
return input;
}
addButton( name ) {
const input = new ButtonInput( name );
this.add( new Element().setHeight( 34 ).add( input ) );
return input;
}
}
class Menu extends EventTarget {
constructor( className, target = null ) {
super();
const dom = document.createElement( 'f-menu' );
dom.className = className + ' hidden';
this.dom = dom;
this.visible = false;
this.subMenus = new WeakMap();
this.domButtons = new WeakMap();
this.events = {
'context': []
};
this.addEventListener( 'context', ( ) => {
dispatchEventList( this.events.context, this );
} );
this._lastButtonClick = null;
this._onButtonClick = ( e = null ) => {
const button = e ? e.target : null;
if ( this._lastButtonClick ) {
this._lastButtonClick.dom.parentElement.classList.remove( 'active' );
}
this._lastButtonClick = button;
if ( button ) {
if ( this.subMenus.has( button ) ) {
this.subMenus.get( button )._onButtonClick();
}
button.dom.parentElement.classList.add( 'active' );
}
};
this._onButtonMouseOver = ( e ) => {
const button = e.target;
if ( this.subMenus.has( button ) && this._lastButtonClick !== button ) {
this._onButtonClick();
}
};
this.setTarget( target );
}
onContext( callback ) {
this.events.context.push( callback );
return this;
}
show( x = null, y = null ) {
this._onButtonClick();
if ( x !== null && y !== null ) {
this.setPosition( x, y );
}
this.dom.classList.remove( 'hidden' );
this.visible = true;
this.dispatchEvent( new Event( 'show' ) );
return this;
}
hide() {
this.dom.classList.add( 'hidden' );
this.dispatchEvent( new Event( 'hide' ) );
this.visible = false;
}
setTarget( target = null ) {
if ( target !== null ) {
const onContextMenu = ( e ) => {
e.preventDefault();
if ( e.pointerType !== 'mouse' || ( e.pageX === 0 && e.pageY === 0 ) ) return;
const rect = this.target.getBoundingClientRect();
this.dispatchEvent( new Event( 'context' ) );
this.show( e.pageX - rect.left, e.pageY - rect.top );
};
const onDown = ( e ) => {
if ( this.visible === true && e.target.closest( 'f-menu' ) === null ) {
this.hide();
}
};
this.target = target;
target.addEventListener( 'mousedown', onDown, true );
target.addEventListener( 'touchstart', onDown, true );
target.addEventListener( 'contextmenu', onContextMenu, false );
target.appendChild( this.dom );
}
return this;
}
add( button, submenu = null ) {
const liDOM = document.createElement( 'f-item' );
if ( submenu !== null ) {
liDOM.classList.add( 'submenu' );
liDOM.appendChild( submenu.dom );
this.subMenus.set( button, submenu );
}
liDOM.appendChild( button.dom );
button.addEventListener( 'click', this._onButtonClick );
button.addEventListener( 'mouseover', this._onButtonMouseOver );
this.dom.appendChild( liDOM );
this.domButtons.set( liDOM, button );
return this;
}
setPosition( x, y ) {
const dom = this.dom;
dom.style.left = toPX( x );
dom.style.top = toPX( y );
return this;
}
}
let lastContext = null;
class ContextMenu extends Menu {
constructor( target = null ) {
super( 'context', target );
}
show( x, y ) {
if ( lastContext !== null ) {
lastContext.hide();
}
lastContext = this;
return super.show( x, y );
}
hide() {
if ( lastContext === this ) {
lastContext = null;
}
return super.hide();
}
}
class CircleMenu extends Menu {
constructor( target = null ) {
super( 'circle', target );
}
}
class SelectInput extends Input {
constructor( options = [] ) {
const dom = document.createElement( 'select' );
super( dom );
dom.onchange = () => {
this.dispatchEvent( new Event( 'change' ) );
};
this.setOptions( options );
}
setOptions( options ) {
const dom = this.dom;
this.options = options;
dom.innerHTML = '';
for ( let index = 0; index < options.length; index ++ ) {
let opt = options[ index ];
if ( typeof opt === 'string' ) {
opt = { name: opt, value: index };
}
const option = document.createElement( 'option' );
option.innerText = opt.name;
option.value = opt.value;
dom.appendChild( option );
}
return this;
}
getOptions() {
return this._options;
}
serialize( data ) {
data.options = [ ...this.options ];
super.serialize( data );
}
deserialize( data ) {
const currentOptions = this.options;
if ( currentOptions.length > 0 ) {
this.setOptions( data.options );
}
super.deserialize( data );
}
}
class ToggleInput extends Input {
constructor( value = false ) {
const dom = document.createElement( 'input' );
super( dom );
dom.type = 'checkbox';
dom.className = 'toggle';
dom.checked = value;
}
setValue( val ) {
this.dom.checked = val;
this.dispatchEvent( new Event( 'change' ) );
return this;
}
getValue() {
return this.dom.checked;
}
}
var Flow = /*#__PURE__*/Object.freeze({
__proto__: null,
Element: Element,
Input: Input,
Node: Node,
Canvas: Canvas,
Serializer: Serializer,
ObjectNode: ObjectNode,
PanelNode: PanelNode,
Menu: Menu,
ContextMenu: ContextMenu,
CircleMenu: CircleMenu,
DraggableElement: DraggableElement,
LabelElement: LabelElement,
TitleElement: TitleElement,
ButtonInput: ButtonInput,
ColorInput: ColorInput,
NumberInput: NumberInput,
SelectInput: SelectInput,
SliderInput: SliderInput,
StringInput: StringInput,
TextInput: TextInput,
ToggleInput: ToggleInput
});
class Loader extends EventTarget {
constructor( parseType = Loader.DEFAULT ) {
super();
this.parseType = parseType;
this.events = {
'load': []
};
}
setParseType( type ) {
this.parseType = type;
return this;
}
getParseType() {
return this.parseType;
}
onLoad( callback ) {
this.events.load.push( callback );
return this;
}
async load( url, lib = null ) {
return await fetch( url )
.then( response => response.json() )
.then( result => {
this.data = this.parse( result, lib );
dispatchEventList( this.events.load, this );
return this.data;
} )
.catch( err => {
console.error( 'Loader:', err );
} );
}
parse( json, lib = null ) {
json = this._parseObjects( json, lib );
const parseType = this.parseType;
if ( parseType === Loader.DEFAULT ) {
const flowObj = new Flow[ json.type ]();
if ( flowObj.getSerializable() ) {
flowObj.deserialize( json );
}
return flowObj;
} else if ( parseType === Loader.OBJECTS ) {
return json;
}
}
_parseObjects( json, lib = null ) {
json = { ...json };
const objects = {};
for ( const id in json.objects ) {
const obj = json.objects[ id ];
obj.objects = objects;
const Class = lib && lib[ obj.type ] ? lib[ obj.type ] : Flow[ obj.type ];
objects[ id ] = new Class();
}
const ref = new WeakMap();
const deserializePass = ( prop = null ) => {
for ( const id in json.objects ) {
const newObject = objects[ id ];
if ( ref.has( newObject ) === false && ( prop === null || newObject[ prop ] === true ) ) {
ref.set( newObject, true );
if ( newObject.getSerializable() ) {
newObject.deserialize( json.objects[ id ] );
}
}
}
};
deserializePass( 'isNode' );
deserializePass( 'isElement' );
deserializePass( 'isInput' );
deserializePass();
json.objects = objects;
return json;
}
}
Loader.DEFAULT = 'default';
Loader.OBJECTS = 'objects';
export { ButtonInput, Canvas, CircleMenu, ColorInput, ContextMenu, DraggableElement, Element, Input, LabelElement, Loader, Menu, Node, NumberInput, ObjectNode, PanelNode, REVISION, SelectInput, Serializer, SliderInput, StringInput, TextInput, TitleElement, ToggleInput, Utils };