@compdfkit_pdf_sdk/react_native
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ComPDFKit for React Native is a comprehensive SDK that allows you to quickly add PDF functionality to Android, iOS, and React Native applications.
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JavaScript
/**
* Copyright © 2014-2025 PDF Technologies, Inc. All Rights Reserved.
*
* THIS SOURCE CODE AND ANY ACCOMPANYING DOCUMENTATION ARE PROTECTED BY INTERNATIONAL COPYRIGHT LAW
* AND MAY NOT BE RESOLD OR REDISTRIBUTED. USAGE IS BOUND TO THE ComPDFKit LICENSE AGREEMENT.
* UNAUTHORIZED REPRODUCTION OR DISTRIBUTION IS SUBJECT TO CIVIL AND CRIMINAL PENALTIES.
* This notice may not be removed from this file.
*/
import { CPDFWidgetType } from "../../configuration/CPDFOptions";
import { NativeModules, findNodeHandle } from 'react-native';
const {
CPDFViewManager
} = NativeModules;
/**
* Base class for form widgets, storing essential form information.
*
* This class represents a form widget in a PDF document, containing basic attributes
* such as type, title, and the page it appears on.
* The `fromJson` method allows converting JSON data into form widget objects.
*
* @class CPDFWidget
* @memberof CPDFWidget
* @property {CPDFWidgetType} type - The type of the form widget.
* @property {string} title - The title of the form widget (default: empty string).
* @property {number} page - The page number where the form widget appears (default: 0).
* @property {string} uuid - The unique identifier for the form widget (default: empty string).
* @property {Date | null} modifyDate - The date when the form widget was last modified (default: null).
* @property {Date | null} createDate - The date when the form widget was created (default: null).
* @property {CPDFRectF | null} rect - The rectangular coordinates of the form widget (default: null).
* @property {string} borderColor - The border color of the form widget (default: '#000000').
* @property {string} fillColor - The fill color of the form widget (default: '#000000').
*/
export class CPDFWidget {
/**
* The type of the form widget.
*/
/**
* The title of the form widget (default: empty string).
*/
/**
* The page number where the form widget appears (default: 0).
*/
modifyDate = null;
createDate = null;
rect = null;
constructor(viewerRef, params) {
this.type = CPDFWidget.parseType(params.type);
this.title = params.title ?? "";
this.page = params.page ?? 0;
this.uuid = params.uuid ?? "";
this._viewerRef = viewerRef;
this.modifyDate = params.modifyDate != null ? new Date(params.modifyDate) : null;
this.createDate = params.createDate != null ? new Date(params.createDate) : null;
this.rect = params.rect ?? null;
this.borderColor = params.borderColor ?? '#000000';
this.fillColor = params.fillColor ?? '#000000';
}
static fromJson(json, viewerRef) {
return new this(viewerRef, json);
}
static fromJsonArray(jsonArray, viewerRef) {
return jsonArray.map(item => new this(viewerRef, item));
}
static parseType(type) {
return Object.values(CPDFWidgetType).includes(type) ? type : CPDFWidgetType.UNKNOWN;
}
static formatDate(date) {
const pad = n => n.toString().padStart(2, '0');
return `${date.getFullYear()}-${pad(date.getMonth() + 1)}-${pad(date.getDate())} ` + `${pad(date.getHours())}:${pad(date.getMinutes())}:${pad(date.getSeconds())}`;
}
toJSON() {
const {
_viewerRef,
modifyDate,
createDate,
...data
} = this;
return {
...data,
modifyDate: modifyDate ? CPDFWidget.formatDate(modifyDate) : null,
createDate: createDate ? CPDFWidget.formatDate(createDate) : null
};
}
/**
* Update the appearance of a form widget.
* @returns
*/
updateAp = () => {
const tag = findNodeHandle(this._viewerRef);
if (tag) {
try {
return CPDFViewManager.updateAp(tag, this.page, this.uuid);
} catch (error) {
console.log(error);
}
}
return Promise.reject(new Error('Unable to find the native view reference'));
};
}
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