devextreme
Version:
HTML5 JavaScript Component Suite for Responsive Web Development
217 lines (214 loc) • 8.81 kB
JavaScript
/**
* DevExtreme (cjs/__internal/ui/m_text_area.js)
* Version: 24.2.7
* Build date: Mon Apr 28 2025
*
* Copyright (c) 2012 - 2025 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _events_engine = _interopRequireDefault(require("../../common/core/events/core/events_engine"));
var _emitterGesture = _interopRequireDefault(require("../../common/core/events/gesture/emitter.gesture.scroll"));
var _pointer = _interopRequireDefault(require("../../common/core/events/pointer"));
var _index = require("../../common/core/events/utils/index");
var _component_registrator = _interopRequireDefault(require("../../core/component_registrator"));
var _renderer = _interopRequireDefault(require("../../core/renderer"));
var _common = require("../../core/utils/common");
var _size = require("../../core/utils/size");
var _type = require("../../core/utils/type");
var _window = require("../../core/utils/window");
var _m_text_box = _interopRequireDefault(require("../ui/text_box/m_text_box"));
var _m_utils = require("../ui/text_box/m_utils.scroll");
function _interopRequireDefault(e) {
return e && e.__esModule ? e : {
default: e
}
}
function _extends() {
return _extends = Object.assign ? Object.assign.bind() : function(n) {
for (var e = 1; e < arguments.length; e++) {
var t = arguments[e];
for (var r in t) {
({}).hasOwnProperty.call(t, r) && (n[r] = t[r])
}
}
return n
}, _extends.apply(null, arguments)
}
const TEXTAREA_CLASS = "dx-textarea";
const TEXTEDITOR_INPUT_CLASS_AUTO_RESIZE = "dx-texteditor-input-auto-resize";
class TextArea extends _m_text_box.default {
_getDefaultOptions() {
return _extends({}, super._getDefaultOptions(), {
spellcheck: true,
autoResizeEnabled: false
})
}
_initMarkup() {
this.$element().addClass("dx-textarea");
super._initMarkup();
this.setAria("multiline", "true")
}
_renderContentImpl() {
this._updateInputHeight();
super._renderContentImpl()
}
_renderInput() {
super._renderInput();
this._renderScrollHandler()
}
_createInput() {
const $input = (0, _renderer.default)("<textarea>");
this._applyInputAttributes($input, this.option("inputAttr"));
this._updateInputAutoResizeAppearance($input);
return $input
}
_setInputMinHeight() {}
_renderScrollHandler() {
this._eventY = 0;
const $input = this._input();
const initScrollData = (0, _m_utils.prepareScrollData)($input, true);
_events_engine.default.on($input, (0, _index.addNamespace)(_emitterGesture.default.init, this.NAME), initScrollData, _common.noop);
_events_engine.default.on($input, (0, _index.addNamespace)(_pointer.default.down, this.NAME), this._pointerDownHandler.bind(this));
_events_engine.default.on($input, (0, _index.addNamespace)(_pointer.default.move, this.NAME), this._pointerMoveHandler.bind(this))
}
_pointerDownHandler(e) {
this._eventY = (0, _index.eventData)(e).y
}
_pointerMoveHandler(e) {
const currentEventY = (0, _index.eventData)(e).y;
const delta = this._eventY - currentEventY;
if ((0, _m_utils.allowScroll)(this._input(), delta)) {
e.isScrollingEvent = true;
e.stopPropagation()
}
this._eventY = currentEventY
}
_renderDimensions() {
const $element = this.$element();
const element = $element.get(0);
const width = this._getOptionValue("width", element);
const height = this._getOptionValue("height", element);
const minHeight = this.option("minHeight");
const maxHeight = this.option("maxHeight");
$element.css({
minHeight: void 0 !== minHeight ? minHeight : "",
maxHeight: void 0 !== maxHeight ? maxHeight : "",
width: width,
height: height
})
}
_resetDimensions() {
this.$element().css({
height: "",
minHeight: "",
maxHeight: ""
})
}
_renderEvents() {
if (this.option("autoResizeEnabled")) {
_events_engine.default.on(this._input(), (0, _index.addNamespace)("input paste", this.NAME), this._updateInputHeight.bind(this))
}
super._renderEvents()
}
_refreshEvents() {
_events_engine.default.off(this._input(), (0, _index.addNamespace)("input paste", this.NAME));
super._refreshEvents()
}
_getHeightDifference($input) {
return (0, _size.getVerticalOffsets)(this.$element().get(0), false) + (0, _size.getVerticalOffsets)(this._$textEditorContainer.get(0), false) + (0, _size.getVerticalOffsets)(this._$textEditorInputContainer.get(0), true) + (0, _size.getElementBoxParams)("height", (0, _window.getWindow)().getComputedStyle($input.get(0))).margin
}
_updateInputHeight() {
if (!(0, _window.hasWindow)()) {
return
}
const $input = this._input();
const height = this.option("height");
const autoHeightResizing = void 0 === height && this.option("autoResizeEnabled");
const shouldCalculateInputHeight = autoHeightResizing || void 0 === height && this.option("minHeight");
if (!shouldCalculateInputHeight) {
$input.css("height", "");
return
}
this._resetDimensions();
this.$element().css("height", (0, _size.getOuterHeight)(this.$element()));
$input.css("height", 0);
const heightDifference = this._getHeightDifference($input);
this._renderDimensions();
const minHeight = this._getBoundaryHeight("minHeight");
const maxHeight = this._getBoundaryHeight("maxHeight");
let inputHeight = $input[0].scrollHeight;
if (void 0 !== minHeight) {
inputHeight = Math.max(inputHeight, minHeight - heightDifference)
}
if (void 0 !== maxHeight) {
const adjustedMaxHeight = maxHeight - heightDifference;
const needScroll = inputHeight > adjustedMaxHeight;
inputHeight = Math.min(inputHeight, adjustedMaxHeight);
this._updateInputAutoResizeAppearance($input, !needScroll)
}
$input.css("height", inputHeight);
if (autoHeightResizing) {
this.$element().css("height", "auto")
}
}
_getBoundaryHeight(optionName) {
const boundaryValue = this.option(optionName);
if ((0, _type.isDefined)(boundaryValue)) {
return "number" === typeof boundaryValue ? boundaryValue : (0, _size.parseHeight)(boundaryValue, this.$element().get(0).parentElement, this.$element().get(0))
}
}
_renderInputType() {}
_visibilityChanged(visible) {
if (visible) {
this._updateInputHeight()
}
}
_updateInputAutoResizeAppearance($input, isAutoResizeEnabled) {
if ($input) {
const autoResizeEnabled = (0, _common.ensureDefined)(isAutoResizeEnabled, this.option("autoResizeEnabled"));
$input.toggleClass("dx-texteditor-input-auto-resize", autoResizeEnabled)
}
}
_dimensionChanged() {
if (this.option("visible")) {
this._updateInputHeight()
}
}
_optionChanged(args) {
const {
name: name,
value: value
} = args;
switch (name) {
case "autoResizeEnabled":
this._updateInputAutoResizeAppearance(this._input(), value);
this._refreshEvents();
this._updateInputHeight();
break;
case "value":
case "height":
super._optionChanged(args);
this._updateInputHeight();
break;
case "minHeight":
case "maxHeight":
this._renderDimensions();
this._updateInputHeight();
break;
case "visible":
super._optionChanged(args);
if (value) {
this._updateInputHeight()
}
break;
default:
super._optionChanged(args)
}
}
}(0, _component_registrator.default)("dxTextArea", TextArea);
var _default = exports.default = TextArea;