devextreme
Version:
HTML5 JavaScript Component Suite for Responsive Web Development
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JavaScript
/**
* DevExtreme (cjs/ui/text_area.js)
* Version: 22.1.9
* Build date: Tue Apr 18 2023
*
* Copyright (c) 2012 - 2023 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
"use strict";
exports.default = void 0;
var _renderer = _interopRequireDefault(require("../core/renderer"));
var _events_engine = _interopRequireDefault(require("../events/core/events_engine"));
var _common = require("../core/utils/common");
var _window = require("../core/utils/window");
var _component_registrator = _interopRequireDefault(require("../core/component_registrator"));
var _extend = require("../core/utils/extend");
var _type = require("../core/utils/type");
var _index = require("../events/utils/index");
var _pointer = _interopRequireDefault(require("../events/pointer"));
var _emitterGesture = _interopRequireDefault(require("../events/gesture/emitter.gesture.scroll"));
var _size = require("../core/utils/size");
var _utils = require("./text_box/utils.scroll");
var _text_box = _interopRequireDefault(require("./text_box"));
function _interopRequireDefault(obj) {
return obj && obj.__esModule ? obj : {
default: obj
}
}
var TEXTAREA_CLASS = "dx-textarea";
var TEXTEDITOR_INPUT_CLASS = "dx-texteditor-input";
var TEXTEDITOR_INPUT_CLASS_AUTO_RESIZE = "dx-texteditor-input-auto-resize";
var TextArea = _text_box.default.inherit({
_getDefaultOptions: function() {
return (0, _extend.extend)(this.callBase(), {
spellcheck: true,
minHeight: void 0,
maxHeight: void 0,
autoResizeEnabled: false
})
},
_initMarkup: function() {
this.$element().addClass(TEXTAREA_CLASS);
this.callBase();
this.setAria("multiline", "true")
},
_renderContentImpl: function() {
this._updateInputHeight();
this.callBase()
},
_renderInput: function() {
this.callBase();
this._renderScrollHandler()
},
_createInput: function() {
var $input = (0, _renderer.default)("<textarea>");
this._applyInputAttributes($input, this.option("inputAttr"));
this._updateInputAutoResizeAppearance($input);
return $input
},
_applyInputAttributes: function($input, customAttributes) {
$input.attr(customAttributes).addClass(TEXTEDITOR_INPUT_CLASS)
},
_renderScrollHandler: function() {
this._eventY = 0;
var $input = this._input();
var initScrollData = (0, _utils.prepareScrollData)($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: function(e) {
this._eventY = (0, _index.eventData)(e).y
},
_pointerMoveHandler: function(e) {
var currentEventY = (0, _index.eventData)(e).y;
var delta = this._eventY - currentEventY;
if ((0, _utils.allowScroll)(this._input(), delta)) {
e.isScrollingEvent = true;
e.stopPropagation()
}
this._eventY = currentEventY
},
_renderDimensions: function() {
var $element = this.$element();
var element = $element.get(0);
var width = this._getOptionValue("width", element);
var height = this._getOptionValue("height", element);
var minHeight = this.option("minHeight");
var maxHeight = this.option("maxHeight");
$element.css({
minHeight: void 0 !== minHeight ? minHeight : "",
maxHeight: void 0 !== maxHeight ? maxHeight : "",
width: width,
height: height
})
},
_resetDimensions: function() {
this.$element().css({
height: "",
minHeight: "",
maxHeight: ""
})
},
_renderEvents: function() {
if (this.option("autoResizeEnabled")) {
_events_engine.default.on(this._input(), (0, _index.addNamespace)("input paste", this.NAME), this._updateInputHeight.bind(this))
}
this.callBase()
},
_refreshEvents: function() {
_events_engine.default.off(this._input(), (0, _index.addNamespace)("input paste", this.NAME));
this.callBase()
},
_getHeightDifference: function($input) {
return (0, _size.getVerticalOffsets)(this._$element.get(0), false) + (0, _size.getVerticalOffsets)(this._$textEditorContainer.get(0), false) + (0, _size.getVerticalOffsets)(this._$textEditorInputContainer.get(0), false) + (0, _size.getElementBoxParams)("height", (0, _window.getWindow)().getComputedStyle($input.get(0))).margin
},
_updateInputHeight: function() {
if (!(0, _window.hasWindow)()) {
return
}
var $input = this._input();
var height = this.option("height");
var autoHeightResizing = void 0 === height && this.option("autoResizeEnabled");
var 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));
$input.css("height", 0);
var heightDifference = this._getHeightDifference($input);
this._renderDimensions();
var minHeight = this._getBoundaryHeight("minHeight");
var maxHeight = this._getBoundaryHeight("maxHeight");
var inputHeight = $input[0].scrollHeight;
if (void 0 !== minHeight) {
inputHeight = Math.max(inputHeight, minHeight - heightDifference)
}
if (void 0 !== maxHeight) {
var adjustedMaxHeight = maxHeight - heightDifference;
var needScroll = inputHeight > adjustedMaxHeight;
inputHeight = Math.min(inputHeight, adjustedMaxHeight);
this._updateInputAutoResizeAppearance($input, !needScroll)
}
$input.css("height", inputHeight);
if (autoHeightResizing) {
this._$element.css("height", "auto")
}
},
_getBoundaryHeight: function(optionName) {
var 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: _common.noop,
_visibilityChanged: function(visible) {
if (visible) {
this._updateInputHeight()
}
},
_updateInputAutoResizeAppearance: function($input, isAutoResizeEnabled) {
if ($input) {
var autoResizeEnabled = (0, _common.ensureDefined)(isAutoResizeEnabled, this.option("autoResizeEnabled"));
$input.toggleClass(TEXTEDITOR_INPUT_CLASS_AUTO_RESIZE, autoResizeEnabled)
}
},
_dimensionChanged: function() {
if (this.option("visible")) {
this._updateInputHeight()
}
},
_optionChanged: function(args) {
switch (args.name) {
case "autoResizeEnabled":
this._updateInputAutoResizeAppearance(this._input(), args.value);
this._refreshEvents();
this._updateInputHeight();
break;
case "value":
case "height":
this.callBase(args);
this._updateInputHeight();
break;
case "minHeight":
case "maxHeight":
this._renderDimensions();
this._updateInputHeight();
break;
case "visible":
this.callBase(args);
args.value && this._updateInputHeight();
break;
default:
this.callBase(args)
}
}
});
(0, _component_registrator.default)("dxTextArea", TextArea);
var _default = TextArea;
exports.default = _default;
module.exports = exports.default;
module.exports.default = exports.default;