/** * 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 };