@progress/kendo-react-inputs/colors/ColorGradient.js

React Inputs offer a customizable interface for users to enter and pick different information. KendoReact Input package

/**
 * @license
 *-------------------------------------------------------------------------------------------
 * Copyright © 2025 Progress Software Corporation. All rights reserved.
 * Licensed under commercial license. See LICENSE.md in the package root for more information
 *-------------------------------------------------------------------------------------------
 */
"use strict";Object.defineProperty(exports,Symbol.toStringTag,{value:"Module"});const E=require("react"),n=require("prop-types"),i=require("@progress/kendo-react-common"),w=require("../package-metadata.js"),m=require("../slider/Slider.js"),v=require("./utils/misc.js"),o=require("./utils/color-parser.js"),d=require("./utils/color-cache.js"),H=require("./ColorInput.js"),x=require("./ColorContrastLabels.js"),G=require("./ColorContrastSvg.js"),L=require("@progress/kendo-react-intl"),g=require("../messages/index.js");function D(u){const t=Object.create(null,{[Symbol.toStringTag]:{value:"Module"}});if(u){for(const s in u)if(s!=="default"){const e=Object.getOwnPropertyDescriptor(u,s);Object.defineProperty(t,s,e.get?e:{enumerable:!0,get:()=>u[s]})}}return t.default=u,Object.freeze(t)}const l=D(E),A="rgba",k="rgba(255, 255, 255, 1)",b=2,C=5,c=class c extends l.Component{constructor(t){super(t),this.wrapperRef=l.createRef(),this.hsvGradientRef=l.createRef(),this.showLicenseWatermark=!1,this.focus=()=>{this.wrapperRef&&this.wrapperRef.current&&this.wrapperRef.current.focus()},this.onHexChange=(e,a,r)=>{if(this.isUncontrolled){const h=o.getHSV(a);this.setState({hsva:h,backgroundColor:o.getColorFromHue(h.h),rgba:o.getRGBA(a),hex:e})}else d.cacheHex(this.state.guid,a,e);this.dispatchChangeEvent(a,r,r.nativeEvent)},this.onRgbaChange=(e,a)=>{const r=o.getColorFromRGBA(e);if(this.isUncontrolled){const h=o.getHSV(r),p=o.parseColor(r,"hex");this.setState({hsva:h,backgroundColor:o.getColorFromHue(h.h),rgba:e,hex:p})}else d.cacheRgba(this.state.guid,r,e);this.dispatchChangeEvent(r,a.syntheticEvent,a.nativeEvent)},this.onAlphaSliderChange=e=>{this.handleHsvaChange(Object.assign({},this.state.hsva,{a:e.value/100}),e.syntheticEvent,e.nativeEvent)},this.onHueSliderChange=e=>{this.handleHsvaChange(Object.assign({},this.state.hsva,{h:e.value}),e.syntheticEvent,e.nativeEvent)},this.onDrag=e=>{this.gradientWrapper.classList.add("k-dragging"),this.changePosition(e.event)},this.onRelease=()=>{this.gradientWrapper.classList.remove("k-dragging")},this.onGradientWrapperClick=e=>{this.changePosition(e)},this.onHsvGradientKeyDown=e=>{var a;(a=this.hsvNavigation)==null||a.triggerKeyboardEvent(e)},this.onHsvGradientValueChange=(e,a,r)=>{const h=parseInt(e.style.top,10)+r,p=parseInt(e.style.left,10)+a;e.style.top=`${h}px`,e.style.left=`${p}px`,this.moveDragHandle(p,h)},this.changePosition=e=>{const a=this.getGradientRectMetrics(),r=e.clientX-a.left,h=e.clientY-a.top;this.moveDragHandle(r,h)},this.onFocus=e=>{this.props.onFocus&&this.props.onFocus.call(void 0,{nativeEvent:e,target:this})},this.onKeyDown=e=>{var a;(a=this.navigation)==null||a.triggerKeyboardEvent(e)},this.showLicenseWatermark=!i.validatePackage(w.packageMetadata,{component:"ColorGradient"});const s=t.value||t.defaultValue||o.parseColor(k,A);this.state=Object.assign({},c.getStateFromValue(s),{isFirstRender:!0,guid:this.props.id})}static getDerivedStateFromProps(t,s){return t.value&&!s.isFirstRender?c.getStateFromValue(t.value,s.guid):null}componentDidMount(){if(this.setAlphaSliderBackground(this.state.backgroundColor),this.state.isFirstRender&&this.setState({isFirstRender:!1}),this.gradientWrapper&&(this.resizeObserver=i.canUseDOM&&window.ResizeObserver&&new window.ResizeObserver(()=>{this.forceUpdate()}),this.resizeObserver&&this.resizeObserver.observe(this.gradientWrapper)),this.wrapperRef&&this.hsvGradientRef){let t=0,s=0;this.hsvNavigation=new i.Navigation({tabIndex:0,root:this.hsvGradientRef,selectors:[".k-hsv-rectangle .k-hsv-draghandle"],keyboardEvents:{keydown:{ArrowDown:(e,a,r)=>{s=r.shiftKey?this.props.gradientSliderSmallStep||b:this.props.gradientSliderStep||C,this.onHsvGradientValueChange(e,0,s)},ArrowUp:(e,a,r)=>{s=r.shiftKey?-(this.props.gradientSliderSmallStep||b):-(this.props.gradientSliderStep||C),this.onHsvGradientValueChange(e,0,s)},ArrowLeft:(e,a,r)=>{t=r.shiftKey?-(this.props.gradientSliderSmallStep||b):-(this.props.gradientSliderStep||C),this.onHsvGradientValueChange(e,t,0)},ArrowRight:(e,a,r)=>{t=r.shiftKey?this.props.gradientSliderSmallStep||b:this.props.gradientSliderStep||C,this.onHsvGradientValueChange(e,t,0)}}}})}this.wrapperRef&&this.wrapperRef.current&&(this.props.isInsidePopup?this.hsvGradientRef.current&&this.hsvGradientRef.current.focus():this.navigation=new i.Navigation({tabIndex:0,root:this.wrapperRef,selectors:[".k-colorgradient"],keyboardEvents:{keydown:{Tab:(t,s,e)=>{i.getActiveElement(document)===t?i.disableNavigatableContainer(t):i.keepFocusInContainer(e,t,i.TABBABLE_ELEMENTS)},Enter:(t,s,e)=>{i.getActiveElement(document)===t&&(i.focusFirstFocusableChild(t),i.enableNavigatableContainer(t))},Escape:(t,s,e)=>{i.getActiveElement(document)!==t&&(t.focus(),i.disableNavigatableContainer(t))}}}}))}componentWillUnmount(){d.removeCachedColor(this.state.guid),this.resizeObserver&&this.resizeObserver.disconnect()}componentDidUpdate(t,s){s.backgroundColor!==this.state.backgroundColor&&this.setAlphaSliderBackground(this.state.backgroundColor)}renderRectangleDragHandle(){const t={};if(!this.state.isFirstRender){const s=this.getGradientRectMetrics(),e=(1-this.state.hsva.v)*s.height,a=this.state.hsva.s*s.width;t.top=`${e}px`,t.left=`${a}px`}return l.createElement("div",{ref:this.hsvGradientRef,role:"slider",tabIndex:i.getTabIndex(this.props.tabIndex,this.props.disabled),"aria-valuetext":this.props.ariaValueText,"aria-valuenow":parseInt(this.state.hex.substring(1),16),"aria-label":this.props.ariaLabelHSV,"aria-orientation":void 0,"aria-disabled":this.props.disabled?"true":void 0,className:"k-hsv-draghandle k-draghandle",style:t,onKeyDown:this.onHsvGradientKeyDown})}moveDragHandle(t,s){const e=this.getGradientRectMetrics(),a=e.width,r=e.height,h=v.fitIntoBounds(s,0,r),p=v.fitIntoBounds(t,0,a),y=Object.assign({},this.state.hsva,{s:p/a,v:1-h/r});this.handleHsvaChange(y,{},{})}handleHsvaChange(t,s,e){const a=o.getColorFromHSV(t),r=o.parseColor(a,"hex");this.isUncontrolled||d.cacheHsva(this.state.guid,a,t),this.setState({hsva:t,backgroundColor:o.getColorFromHue(t.h),rgba:o.getRGBA(a),hex:r}),this.dispatchChangeEvent(a,s,e)}dispatchChangeEvent(t,s,e){this.props.onChange&&this.props.onChange.call(void 0,{syntheticEvent:s,nativeEvent:e,target:this,value:t})}static getStateFromValue(t,s){v.isPresent(o.parseColor(t,"hex"))||(t=k);const e=d.getCachedHsva(s,t)||o.getHSV(t),a=d.getCachedRgba(s,t)||o.getRGBA(t),r=d.getCachedHex(s,t)||o.parseColor(t,"hex"),h=o.getColorFromHue(e.h);return{hsva:e,backgroundColor:h,rgba:a,hex:r}}setAlphaSliderBackground(t){this.props.opacity&&this.alphaSlider&&this.alphaSlider.sliderTrack&&(this.alphaSlider.sliderTrack.style.background=`linear-gradient(to ${this.props._adaptive?"right":"top"}, transparent, ${t})`)}get isUncontrolled(){return this.props.value===void 0}getGradientRectMetrics(){return this.gradientWrapper.getBoundingClientRect()}render(){const t=L.provideLocalizationService(this);return l.createElement("div",{id:this.props.id,role:this.props.role,className:i.classNames("k-colorgradient",{[`k-colorgradient-${i.kendoThemeMaps.sizeMap[this.props.size]||this.props.size}`]:this.props.size,"k-disabled":this.props.disabled},this.props.className),"aria-disabled":this.props.disabled?"true":void 0,style:{position:"relative",...this.props.style},ref:this.wrapperRef,tabIndex:i.getTabIndex(this.props.tabIndex,this.props.disabled),"aria-label":this.props.ariaLabel,"aria-labelledby":this.props.ariaLabelledBy,"aria-describedby":this.props.ariaDescribedBy,onFocus:this.onFocus,onKeyDown:this.onKeyDown},l.createElement("div",{className:`k-colorgradient-canvas ${this.props._adaptive?"k-vstack":"k-hstack"}`},l.createElement("div",{className:"k-hsv-rectangle",style:{background:this.state.backgroundColor}},l.createElement(i.Draggable,{onDrag:this.onDrag,onRelease:this.onRelease,ref:s=>{this.gradientWrapper=s?s.element:void 0}},l.createElement("div",{className:"k-hsv-gradient",style:{touchAction:"none"},onClick:this.onGradientWrapperClick},this.renderRectangleDragHandle())),this.props.backgroundColor&&!this.state.isFirstRender&&l.createElement(G.ColorContrastSvg,{metrics:this.gradientWrapper?this.getGradientRectMetrics():void 0,hsva:this.state.hsva,backgroundColor:this.props.backgroundColor})),l.createElement("div",{className:`k-hsv-controls ${this.props._adaptive?"k-vstack":"k-hstack"}`},l.createElement(m.Slider,{value:this.state.hsva.h,buttons:!1,vertical:!this.props._adaptive,min:0,max:360,step:5,onChange:this.onHueSliderChange,className:"k-hue-slider k-colorgradient-slider",disabled:this.props.disabled,ariaLabel:t.toLanguageString(g.colorGradientHueSliderLabel,g.messages[g.colorGradientHueSliderLabel])}),this.props.opacity&&l.createElement(m.Slider,{value:v.isPresent(this.state.hsva.a)?this.state.hsva.a*100:100,buttons:!1,vertical:!this.props._adaptive,min:0,max:100,step:1,ariaLabel:t.toLanguageString(g.colorGradientAlphaSliderLabel,g.messages[g.colorGradientAlphaSliderLabel]),onChange:this.onAlphaSliderChange,className:"k-alpha-slider k-colorgradient-slider",disabled:this.props.disabled,ref:s=>{this.alphaSlider=s}}))),l.createElement(H,{rgba:this.state.rgba,onRgbaChange:this.onRgbaChange,hex:this.state.hex,onHexChange:this.onHexChange,opacity:this.props.opacity,disabled:this.props.disabled,defaultInputMode:this.props.format,size:this.props.size,fillMode:this.props.fillMode}),this.props.backgroundColor&&l.createElement(x.ColorContrastLabels,{bgColor:o.getRGBA(this.props.backgroundColor),rgba:this.state.rgba}),this.showLicenseWatermark&&l.createElement(i.WatermarkOverlay,null))}};c.displayName="ColorGradient",c.propTypes={defaultValue:n.string,value:n.string,onChange:n.func,onFocus:n.func,opacity:n.bool,backgroundColor:n.string,format:n.any,disabled:n.bool,style:n.any,id:n.string,role:n.string,ariaLabel:n.string,ariaLabelledBy:n.string,ariaDescribedBy:n.string,className:n.string,size:n.oneOf(["small","medium","large",null])},c.defaultProps={opacity:!0,role:"textbox",format:"rgb",size:"medium"};let f=c;const S=i.createPropsContext(),R=i.withIdHOC(i.withPropsContext(S,f));R.displayName="KendoReactColorGradient";exports.ColorGradient=R;exports.ColorGradientPropsContext=S;exports.ColorGradientWithoutContext=f;