devextreme
Version:
HTML5 JavaScript Component Suite for Responsive Web Development
364 lines (348 loc) • 13.9 kB
JavaScript
/**
* DevExtreme (ui/splitter.js)
* Version: 20.1.7
* Build date: Tue Aug 25 2020
*
* Copyright (c) 2012 - 2020 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 _renderer = require("../core/renderer");
var _renderer2 = _interopRequireDefault(_renderer);
var _ui = require("./widget/ui.widget");
var _ui2 = _interopRequireDefault(_ui);
var _dom_adapter = require("../core/dom_adapter");
var _dom_adapter2 = _interopRequireDefault(_dom_adapter);
var _events_engine = require("../events/core/events_engine");
var _events_engine2 = _interopRequireDefault(_events_engine);
var _pointer = require("../events/pointer");
var _pointer2 = _interopRequireDefault(_pointer);
var _utils = require("../events/utils");
var _type = require("../core/utils/type");
function _interopRequireDefault(obj) {
return obj && obj.__esModule ? obj : {
"default": obj
}
}
function _typeof(obj) {
"@babel/helpers - typeof";
if ("function" === typeof Symbol && "symbol" === typeof Symbol.iterator) {
_typeof = function(obj) {
return typeof obj
}
} else {
_typeof = function(obj) {
return obj && "function" === typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj
}
}
return _typeof(obj)
}
function _classCallCheck(instance, Constructor) {
if (!(instance instanceof Constructor)) {
throw new TypeError("Cannot call a class as a function")
}
}
function _defineProperties(target, props) {
for (var i = 0; i < props.length; i++) {
var descriptor = props[i];
descriptor.enumerable = descriptor.enumerable || false;
descriptor.configurable = true;
if ("value" in descriptor) {
descriptor.writable = true
}
Object.defineProperty(target, descriptor.key, descriptor)
}
}
function _createClass(Constructor, protoProps, staticProps) {
if (protoProps) {
_defineProperties(Constructor.prototype, protoProps)
}
if (staticProps) {
_defineProperties(Constructor, staticProps)
}
return Constructor
}
function _get(target, property, receiver) {
if ("undefined" !== typeof Reflect && Reflect.get) {
_get = Reflect.get
} else {
_get = function(target, property, receiver) {
var base = _superPropBase(target, property);
if (!base) {
return
}
var desc = Object.getOwnPropertyDescriptor(base, property);
if (desc.get) {
return desc.get.call(receiver)
}
return desc.value
}
}
return _get(target, property, receiver || target)
}
function _superPropBase(object, property) {
while (!Object.prototype.hasOwnProperty.call(object, property)) {
object = _getPrototypeOf(object);
if (null === object) {
break
}
}
return object
}
function _inherits(subClass, superClass) {
if ("function" !== typeof superClass && null !== superClass) {
throw new TypeError("Super expression must either be null or a function")
}
subClass.prototype = Object.create(superClass && superClass.prototype, {
constructor: {
value: subClass,
writable: true,
configurable: true
}
});
if (superClass) {
_setPrototypeOf(subClass, superClass)
}
}
function _setPrototypeOf(o, p) {
_setPrototypeOf = Object.setPrototypeOf || function(o, p) {
o.__proto__ = p;
return o
};
return _setPrototypeOf(o, p)
}
function _createSuper(Derived) {
var hasNativeReflectConstruct = _isNativeReflectConstruct();
return function() {
var result, Super = _getPrototypeOf(Derived);
if (hasNativeReflectConstruct) {
var NewTarget = _getPrototypeOf(this).constructor;
result = Reflect.construct(Super, arguments, NewTarget)
} else {
result = Super.apply(this, arguments)
}
return _possibleConstructorReturn(this, result)
}
}
function _possibleConstructorReturn(self, call) {
if (call && ("object" === _typeof(call) || "function" === typeof call)) {
return call
}
return _assertThisInitialized(self)
}
function _assertThisInitialized(self) {
if (void 0 === self) {
throw new ReferenceError("this hasn't been initialised - super() hasn't been called")
}
return self
}
function _isNativeReflectConstruct() {
if ("undefined" === typeof Reflect || !Reflect.construct) {
return false
}
if (Reflect.construct.sham) {
return false
}
if ("function" === typeof Proxy) {
return true
}
try {
Date.prototype.toString.call(Reflect.construct(Date, [], function() {}));
return true
} catch (e) {
return false
}
}
function _getPrototypeOf(o) {
_getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function(o) {
return o.__proto__ || Object.getPrototypeOf(o)
};
return _getPrototypeOf(o)
}
var SPLITTER_CLASS = "dx-splitter";
var SPLITTER_WRAPPER_CLASS = "".concat(SPLITTER_CLASS, "-wrapper");
var SPLITTER_INACTIVE_CLASS = "".concat(SPLITTER_CLASS, "-inactive");
var SPLITTER_BORDER_CLASS = "".concat(SPLITTER_CLASS, "-border");
var SPLITTER_INITIAL_STATE_CLASS = "".concat(SPLITTER_CLASS, "-initial");
var STATE_DISABLED_CLASS = "dx-state-disabled";
var SPLITTER_MODULE_NAMESPACE = "dxSplitterResizing";
var SPLITTER_POINTER_DOWN_EVENT_NAME = (0, _utils.addNamespace)(_pointer2.default.down, SPLITTER_MODULE_NAMESPACE);
var SPLITTER_POINTER_MOVE_EVENT_NAME = (0, _utils.addNamespace)(_pointer2.default.move, SPLITTER_MODULE_NAMESPACE);
var SPLITTER_POINTER_UP_EVENT_NAME = (0, _utils.addNamespace)(_pointer2.default.up, SPLITTER_MODULE_NAMESPACE);
var SplitterControl = function(_Widget) {
_inherits(SplitterControl, _Widget);
var _super = _createSuper(SplitterControl);
function SplitterControl() {
_classCallCheck(this, SplitterControl);
return _super.apply(this, arguments)
}
_createClass(SplitterControl, [{
key: "_initMarkup",
value: function() {
this._$container = this.option("container");
this._$leftElement = this.option("leftElement");
this._$rightElement = this.option("rightElement");
this._onApplyPanelSize = this._createActionByOption("onApplyPanelSize");
this.$element().addClass(SPLITTER_WRAPPER_CLASS).addClass(SPLITTER_INITIAL_STATE_CLASS);
this._$splitterBorder = (0, _renderer2.default)("<div>").addClass(SPLITTER_BORDER_CLASS).appendTo(this.$element());
this._$splitter = (0, _renderer2.default)("<div>").addClass(SPLITTER_CLASS).addClass(SPLITTER_INACTIVE_CLASS).appendTo(this._$splitterBorder)
}
}, {
key: "_render",
value: function() {
_get(_getPrototypeOf(SplitterControl.prototype), "_render", this).call(this);
this._detachEventHandlers();
this._attachEventHandlers()
}
}, {
key: "_clean",
value: function() {
this._detachEventHandlers();
_get(_getPrototypeOf(SplitterControl.prototype), "_clean", this).call(this)
}
}, {
key: "_attachEventHandlers",
value: function() {
var document = _dom_adapter2.default.getDocument();
_events_engine2.default.on(this._$splitterBorder, SPLITTER_POINTER_DOWN_EVENT_NAME, this._onMouseDownHandler.bind(this));
_events_engine2.default.on(document, SPLITTER_POINTER_MOVE_EVENT_NAME, this._onMouseMoveHandler.bind(this));
_events_engine2.default.on(document, SPLITTER_POINTER_UP_EVENT_NAME, this._onMouseUpHandler.bind(this))
}
}, {
key: "_detachEventHandlers",
value: function() {
var document = _dom_adapter2.default.getDocument();
_events_engine2.default.off(this._$splitterBorder, SPLITTER_POINTER_DOWN_EVENT_NAME);
_events_engine2.default.off(document, SPLITTER_POINTER_MOVE_EVENT_NAME);
_events_engine2.default.off(document, SPLITTER_POINTER_UP_EVENT_NAME)
}
}, {
key: "_dimensionChanged",
value: function() {
if (void 0 === this._leftPanelPercentageWidth) {
var leftElementWidth = this._$leftElement.get(0).clientWidth + this.getSplitterOffset();
this._leftPanelPercentageWidth = this._convertLeftPanelWidthToPercentage(leftElementWidth)
}
var rightPanelWidth = 100 - this._leftPanelPercentageWidth;
this._onApplyPanelSize({
leftPanelWidth: this._leftPanelPercentageWidth + "%",
rightPanelWidth: rightPanelWidth + "%"
});
this.setSplitterPositionLeft(this._$leftElement.get(0).clientWidth - this.getSplitterOffset())
}
}, {
key: "_onMouseDownHandler",
value: function(e) {
e.preventDefault();
this._offsetX = e.pageX - this._$splitterBorder.offset().left <= this._getSplitterBorderWidth() ? e.pageX - this._$splitterBorder.offset().left : 0;
this._isSplitterActive = true;
this._containerWidth = this._$container.get(0).clientWidth;
this.$element().removeClass(SPLITTER_INITIAL_STATE_CLASS);
this._$splitter.removeClass(SPLITTER_INACTIVE_CLASS);
this.setSplitterPositionLeft(null, true)
}
}, {
key: "_onMouseMoveHandler",
value: function(e) {
if (!this._isSplitterActive) {
return
}
this.setSplitterPositionLeft(this._getNewSplitterPositionLeft(e), true)
}
}, {
key: "_onMouseUpHandler",
value: function() {
if (this._isSplitterActive) {
this._$splitter.addClass(SPLITTER_INACTIVE_CLASS);
this._isSplitterActive = false
}
}
}, {
key: "_getNewSplitterPositionLeft",
value: function(e) {
var newSplitterPositionLeft = e.pageX - this._$container.offset().left - this._offsetX;
newSplitterPositionLeft = Math.max(0 - this.getSplitterOffset(), newSplitterPositionLeft);
newSplitterPositionLeft = Math.min(this._containerWidth - this.getSplitterOffset() - this._getSplitterWidth(), newSplitterPositionLeft);
return newSplitterPositionLeft
}
}, {
key: "_isDomElement",
value: function(element) {
return element && element.nodeType && 1 === element.nodeType
}
}, {
key: "_isPercentValue",
value: function(value) {
return (0, _type.isString)(value) && "%" === value.slice(-1)
}
}, {
key: "getSplitterOffset",
value: function() {
return (this._getSplitterBorderWidth() - this._getSplitterWidth()) / 2
}
}, {
key: "_getSplitterWidth",
value: function() {
return this._$splitter.get(0).clientWidth
}
}, {
key: "_getSplitterBorderWidth",
value: function() {
return this._$splitterBorder.get(0).clientWidth
}
}, {
key: "toggleState",
value: function(isActive) {
var classAction = isActive ? "removeClass" : "addClass";
this.$element()[classAction](STATE_DISABLED_CLASS);
this._$splitter[classAction](STATE_DISABLED_CLASS)
}
}, {
key: "isSplitterMoved",
value: function() {
return !this.$element().hasClass(SPLITTER_INITIAL_STATE_CLASS)
}
}, {
key: "setSplitterPositionLeft",
value: function(splitterPositionLeft, needUpdatePanels) {
splitterPositionLeft = splitterPositionLeft || this._$leftElement.get(0).clientWidth - this.getSplitterOffset();
this.$element().css("left", splitterPositionLeft);
if (!needUpdatePanels) {
return
}
var leftPanelWidth = splitterPositionLeft + this.getSplitterOffset();
var rightPanelWidth = this._containerWidth - leftPanelWidth;
this._onApplyPanelSize({
leftPanelWidth: leftPanelWidth,
rightPanelWidth: rightPanelWidth
});
this._leftPanelPercentageWidth = this._convertLeftPanelWidthToPercentage(leftPanelWidth)
}
}, {
key: "_optionChanged",
value: function(args) {
switch (args.name) {
case "initialLeftPanelWidth":
this._leftPanelPercentageWidth = this._convertLeftPanelWidthToPercentage(args.value);
this._dimensionChanged();
break;
case "leftElement":
this.repaint();
break;
default:
_get(_getPrototypeOf(SplitterControl.prototype), "_optionChanged", this).call(this, args)
}
}
}, {
key: "_convertLeftPanelWidthToPercentage",
value: function(leftPanelWidth) {
return leftPanelWidth / this._$container.get(0).clientWidth * 100
}
}]);
return SplitterControl
}(_ui2.default);
exports.default = SplitterControl;