@progress/kendo-react-inputs/signature/Signature.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
 *-------------------------------------------------------------------------------------------
 */
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g=!a.validatePackage(ne.packageMetadata,{component:"Signature"}),y=a.getLicenseMessage(ne.packageMetadata),F=a.usePropsContext(re,c),e=n.useMemo(()=>({strokeWidth:l.strokeWidth,smooth:l.smooth,popupScale:l.popupScale,exportScale:l.exportScale,maximizable:l.maximizable,disabled:l.disabled,required:l.required,validityStyles:l.validityStyles,onChange:l.onChange,onFocus:l.onFocus,onBlur:l.onBlur,onOpen:l.onOpen,onClose:l.onClose,size:l.size,rounded:l.rounded,fillMode:l.fillMode,...F}),[F]),x=Ee.useLocalization(),d=n.useRef(null),v=n.useRef(null),j=n.useRef(null),W=n.useRef(null),M=n.useRef(null),[r,ie]=n.useState(),[h,G]=n.useState(!1),[w,A]=n.useState(!1),[C,V]=n.useState(),[le,ce]=n.useState(),U=oe(e.value)?e.value:C,[ue,de]=n.useState(!1),b=oe(e.open),f=b?e.open:ue,me=e.maximized||w||!e.maximizable||e.disabled,pe=!(e.maximized&&!w),ge=!(!(e.value||C)||w||e.readOnly||e.disabled),H=x.toLanguageString(p.signatureMaximize,p.messages[p.signatureMaximize]),$=x.toLanguageString(p.signatureMinimize,p.messages[p.signatureMinimize]),K=x.toLanguageString(p.signatureClear,p.messages[p.signatureClear]),I=e.popupScale||ae,L=e.exportScale||se,P=t=>{V(t),e.onChange&&e.onChange({value:t})},fe=t=>{r==null||r.loadImage(t.value),P(t.value)};n.useEffect(()=>{e.value!==C&&(V(e.value),r==null||r.loadImage(e.value))},[e.value]);const ke=()=>{r==null||r.clear(),P()},S=n.useCallback(t=>{b||de(t)},[b]),be=t=>{var o,i;Z(t),(i=((o=M.current)==null?void 0:o.element)||v.current)==null||i.focus()},q=n.useCallback(()=>{let t=Pe;return!e.color&&typeof document!="undefined"&&d.current&&(t=getComputedStyle(d.current).color),e.color||t},[e.color]),D=n.useCallback(()=>{let t=qe;return!e.backgroundColor&&typeof document!="undefined"&&d.current&&(t=getComputedStyle(d.current).backgroundColor),e.backgroundColor||t},[e.backgroundColor]),X=()=>({scale:e.maximized?e.popupScale:1,color:q(),backgroundColor:D(),strokeWidth:e.strokeWidth,smooth:e.smooth,readonly:e.readOnly}),J=async t=>{const{width:o,height:i}=t;return await(r==null?void 0:r.exportImage({width:o*L,height:i*L}))};n.useEffect(()=>{const t=v.current,o=new ze.SignaturePad(t,X());return U&&o.loadImage(U),ie(o),()=>o.destroy()},[]),n.useEffect(()=>{r==null||r.setOptions({onChange:async()=>P(await J(ee())),onDraw:()=>A(!0),onDrawEnd:()=>A(!1)})},[r]),a.useIsomorphicLayoutEffect(()=>r==null?void 0:r.setOptions(X()),[e.readOnly,e.color,e.backgroundColor,e.strokeWidth,e.smooth]),n.useEffect(()=>{var i,u;const t=(u=(i=j.current)==null?void 0:i.element)==null?void 0:u.querySelector(".k-overlay");if(!t)return;const o=()=>S(!1);return t.addEventListener("click",o),()=>t.removeEventListener("click",o)},[f]),n.useEffect(()=>{if(!f||typeof document=="undefined")return;const t=o=>{var i,u;o.key==="Escape"&&(S(!1),(u=(i=M.current)==null?void 0:i.element)==null||u.focus())};return document.addEventListener("keydown",t),()=>document.removeEventListener("keydown",t)},[f]),n.useEffect(()=>{var t,o;e.maximized&&((o=(t=W.current)==null?void 0:t.element)==null||o.focus())},[]);const R=n.useCallback(()=>{var t;return(t=v.current)==null?void 0:t.focus()},[]),z=n.useCallback(()=>e.value,[e.value]),Q=n.useCallback(()=>e.name,[e.name]),O=n.useCallback(()=>e.required,[e.required]),T=n.useCallback(()=>{const t=e.validationMessage!==void 0,i=!z(),u=e.valid!==void 0?e.valid:!O()||!i;return{customError:t,valid:u,valueMissing:i}},[e.validationMessage,e.valid,z,O]),B=n.useCallback(()=>e.validityStyles,[e.validityStyles]),Y=n.useCallback(()=>e,[e]),m=n.useCallback(()=>{const t={element:d.current,focus:R};return Object.defineProperty(t,"name",{get:Q}),Object.defineProperty(t,"value",{get:z}),Object.defineProperty(t,"validity",{get:T}),Object.defineProperty(t,"validityStyles",{get:B}),Object.defineProperty(t,"required",{get:O}),Object.defineProperty(t,"props",{get:Y}),Object.defineProperty(t,"color",{get:q}),Object.defineProperty(t,"backgroundColor",{get:D}),t},[Q,z,T,B,O,R,Y,q,D]);n.useImperativeHandle(k,m);const ye=n.useCallback(t=>{h||e.maximized||(G(!0),a.dispatchEvent(e.onFocus,t,m(),{}))},[h,e.onFocus,m]),ve=n.useCallback(t=>{Me.hasParent(t.relatedTarget,d.current)||(G(!1),a.dispatchEvent(e.onBlur,t,m(),{}))},[h,e.onBlur,m]),he=n.useCallback(async t=>{ce(await J(te())),S(!0),a.dispatchEvent(e.onOpen,t,m(),{})},[f,b,e.onOpen,e.value,C,m]),Z=n.useCallback(t=>{S(!1),a.dispatchEvent(e.onClose,t,m(),{})},[f,b,e.onClose,m]),Ce=()=>{ke(),R()},ee=()=>{var i,u;const t=e.width||((i=d.current)==null?void 0:i.offsetWidth)||Ie,o=e.height||((u=d.current)==null?void 0:u.offsetHeight)||Le;return{width:t,height:o}},te=()=>{const{width:t,height:o}=ee();return{width:t*I,height:o*I}},Se=!B()||T().valid;return n.createElement("div",{ref:d,dir:e.dir,style:{width:e.width,height:e.height,...e.style},className:a.classNames("k-input","k-signature",{"k-signature-maximized":e.maximized,[`k-signature-${a.kendoThemeMaps.sizeMap[e.size]||e.size}`]:e.size,[`k-signature-${e.fillMode}`]:e.fillMode,[`k-input-${e.fillMode}`]:e.fillMode,[`k-rounded-${a.kendoThemeMaps.roundedMap[e.rounded]||e.rounded}`]:e.rounded,"k-invalid":!Se,"k-required":e.required,"k-disabled":e.disabled,"k-focus":h},e.className),onFocus:ye,onBlur:ve},n.createElement("div",{className:"k-signature-canvas",ref:v,tabIndex:a.getTabIndex(e.tabIndex,e.disabled),role:"img",id:e.id,"aria-label":e.ariaLabel,"aria-labelledby":e.ariaLabelledBy,"aria-describedby":e.ariaDescribedBy,"aria-disabled":e.disabled?"true":void 0,style:e.inputStyle}),n.createElement("div",{className:"k-signature-actions k-signature-actions-top"},n.createElement(_.Button,{type:"button",className:a.classNames("k-signature-action","k-signature-maximize",{"k-hidden":e.disabled||me}),ref:M,icon:"hyperlink-open",svgIcon:N.hyperlinkOpenIcon,fillMode:"flat",size:e.size,onClick:he,"aria-label":H,title:H}),n.createElement(_.Button,{type:"button",className:a.classNames("k-signature-action","k-signature-minimize","k-rotate-180",{"k-hidden":e.disabled||pe}),ref:W,icon:"hyperlink-open",svgIcon:N.hyperlinkOpenIcon,fillMode:"flat",size:e.size,onClick:Z,"aria-label":$,title:$})),!e.hideLine&&n.createElement("div",{className:"k-signature-line",style:{zIndex:2,pointerEvents:"none"}}),n.createElement("div",{className:"k-signature-actions k-signature-actions-bottom"},ge&&n.createElement(_.Button,{type:"button",className:"k-signature-action k-signature-clear",icon:"x",svgIcon:N.xIcon,fillMode:"flat",size:e.size,onClick:Ce,"aria-label":K,title:K})),f&&n.createElement(Oe.Dialog,{ref:j},n.createElement(E,{...e,...te(),value:le,maximized:!0,exportScale:1/I*L,open:!1,onChange:fe,onClose:be})),g&&n.createElement(a.WatermarkOverlay,{message:y}))});E.propTypes={value:s.string,width:s.number,height:s.number,tabIndex:s.number,dir:s.string,ariaDescribedBy:s.string,ariaLabelledBy:s.string,ariaLabel:s.string,readOnly:s.bool,disabled:s.bool,validationMessage:s.string,required:s.bool,onChange:s.func,onFocus:s.func,onBlur:s.func,onOpen:s.func,onClose:s.func,size:s.oneOf([null,"small","medium","large"]),rounded:s.oneOf([null,"small","medium","large"]),fillMode:s.oneOf([null,"solid","flat","outline"])};const l={strokeWidth:1,smooth:!1,popupScale:ae,exportScale:se,maximizable:!0,disabled:!1,required:!1,validityStyles:!0,onChange:c=>a.noop,onFocus:c=>a.noop,onBlur:c=>a.noop,onOpen:c=>a.noop,onClose:c=>a.noop,size:"medium",rounded:"medium",fillMode:"solid"};E.displayName="KendoSignature";exports.Signature=E;exports.SignaturePropsContext=re;