/* * https://github.com/morethanwords/tweb * Copyright (C) 2019-2021 Eduard Kuzmenko * https://github.com/morethanwords/tweb/blob/master/LICENSE */ import simulateEvent from "../helpers/dom/dispatchEvent"; import findUpAttribute from "../helpers/dom/findUpAttribute"; import getRichValue from "../helpers/dom/getRichValue"; import isInputEmpty from "../helpers/dom/isInputEmpty"; import selectElementContents from "../helpers/dom/selectElementContents"; import { MessageEntity } from "../layer"; import { i18n, LangPackKey, _i18n } from "../lib/langPack"; import RichTextProcessor from "../lib/richtextprocessor"; import SetTransition from "./singleTransition"; let init = () => { document.addEventListener('paste', (e) => { if(!findUpAttribute(e.target, 'contenteditable="true"')) { return; } e.preventDefault(); let text: string, entities: MessageEntity[]; // @ts-ignore let plainText: string = (e.originalEvent || e).clipboardData.getData('text/plain'); let usePlainText = true; // @ts-ignore let html: string = (e.originalEvent || e).clipboardData.getData('text/html'); if(html.trim()) { html = html.replace(//, ''); html = html.replace(//, ''); const match = html.match(/([\s\S]*)<\/body>/); if(match) { html = match[1].trim(); } let span: HTMLElement = document.createElement('span'); span.innerHTML = html; let curChild = span.firstChild; while(curChild) { // * fix whitespace between elements like

asd

zxc

`; input = this.container.firstElementChild as HTMLElement; const observer = new MutationObserver(() => { //checkAndSetRTL(input); if(processInput) { processInput(); } }); // * because if delete all characters there will br left input.addEventListener('input', () => { if(isInputEmpty(input)) { input.innerHTML = ''; } if(this.inputFake) { this.inputFake.innerHTML = input.innerHTML; this.onFakeInput(); } }); // ! childList for paste first symbol observer.observe(input, {characterData: true, childList: true, subtree: true}); if(options.animate) { input.classList.add('scrollable', 'scrollable-y'); // this.wasInputFakeClientHeight = 0; // this.showScrollDebounced = debounce(() => this.input.classList.remove('no-scrollbar'), 150, false, true); this.inputFake = document.createElement('div'); this.inputFake.setAttribute('contenteditable', 'true'); this.inputFake.className = input.className + ' input-field-input-fake'; } } else { this.container.innerHTML = ` `; input = this.container.firstElementChild as HTMLElement; //input.addEventListener('input', () => checkAndSetRTL(input)); } input.setAttribute('dir', 'auto'); if(placeholder) { _i18n(input, placeholder, undefined, 'placeholder'); if(this.inputFake) { _i18n(this.inputFake, placeholder, undefined, 'placeholder'); } } if(label || placeholder) { const border = document.createElement('div'); border.classList.add('input-field-border'); this.container.append(border); } if(label) { this.label = document.createElement('label'); this.setLabel(); this.container.append(this.label); } let processInput: () => void; if(maxLength) { const labelEl = this.container.lastElementChild as HTMLLabelElement; let showingLength = false; processInput = () => { const wasError = input.classList.contains('error'); // * https://stackoverflow.com/a/54369605 #2 to count emoji as 1 symbol const inputLength = plainText ? (input as HTMLInputElement).value.length : [...getRichValue(input, false).value].length; const diff = maxLength - inputLength; const isError = diff < 0; input.classList.toggle('error', isError); //this.onLengthChange && this.onLengthChange(inputLength, isError); if(isError || diff <= showLengthOn) { this.setLabel(); labelEl.append(` (${maxLength - inputLength})`); if(!showingLength) showingLength = true; } else if((wasError && !isError) || showingLength) { this.setLabel(); showingLength = false; } }; input.addEventListener('input', processInput); } this.input = input; } public select() { if(!this.value) { // * avoid selecting whole empty field on iOS devices return; } if(this.options.plainText) { (this.input as HTMLInputElement).select(); // * select text } else { selectElementContents(this.input); } } public setLabel() { this.label.textContent = ''; if(this.options.labelText) { this.label.innerHTML = this.options.labelText; } else { this.label.append(i18n(this.options.label, this.options.labelOptions)); } } public onFakeInput(setHeight = true) { const {scrollHeight: newHeight/* , clientHeight */} = this.inputFake; /* if(this.wasInputFakeClientHeight && this.wasInputFakeClientHeight !== clientHeight) { this.input.classList.add('no-scrollbar'); // ! в сафари может вообще не появиться скролл после анимации, так как ему нужен полный reflow блока с overflow. this.showScrollDebounced(); } */ const currentHeight = +this.input.style.height.replace('px', ''); if(currentHeight === newHeight) { return; } const TRANSITION_DURATION_FACTOR = 50; const transitionDuration = Math.round( TRANSITION_DURATION_FACTOR * Math.log(Math.abs(newHeight - currentHeight)), ); // this.wasInputFakeClientHeight = clientHeight; this.input.style.transitionDuration = `${transitionDuration}ms`; if(setHeight) { this.input.style.height = newHeight ? newHeight + 'px' : ''; } const className = 'is-changing-height'; SetTransition(this.input, className, true, transitionDuration, () => { this.input.classList.remove(className); }); } get value() { return this.options.plainText ? (this.input as HTMLInputElement).value : getRichValue(this.input, false).value; //return getRichValue(this.input); } set value(value: string) { this.setValueSilently(value, false); simulateEvent(this.input, 'input'); } public setValueSilently(value: string, fireFakeInput = true) { if(this.options.plainText) { (this.input as HTMLInputElement).value = value; } else { this.input.innerHTML = value; if(this.inputFake) { this.inputFake.innerHTML = value; if(fireFakeInput) { this.onFakeInput(); } } } } public isChanged() { return this.value !== this.originalValue; } public isValid() { return !this.input.classList.contains('error') && (!this.validate || this.validate()) && (!this.required || !isInputEmpty(this.input)); } public isValidToChange() { return this.isValid() && this.isChanged(); } public setDraftValue(value = '', silent = false) { if(!this.options.plainText) { value = RichTextProcessor.wrapDraftText(value); } if(silent) { this.setValueSilently(value, false); } else { this.value = value; } } public setOriginalValue(value: InputField['originalValue'] = '', silent = false) { this.originalValue = value; this.setDraftValue(value, silent); } public setState(state: InputState, label?: LangPackKey) { if(label) { this.label.textContent = ''; this.label.append(i18n(label, this.options.labelOptions)); } this.input.classList.toggle('error', !!(state & InputState.Error)); this.input.classList.toggle('valid', !!(state & InputState.Valid)); } public setError(label?: LangPackKey) { this.setState(InputState.Error, label); } } export default InputField;