devextreme
Version:
HTML5 JavaScript Component Suite for Responsive Web Development
260 lines (258 loc) • 10.3 kB
JavaScript
/**
* DevExtreme (cjs/ui/drop_down_box.js)
* Version: 21.1.4
* Build date: Mon Jun 21 2021
*
* Copyright (c) 2012 - 2021 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
"use strict";
exports.default = void 0;
var _ui = _interopRequireDefault(require("./drop_down_editor/ui.drop_down_editor"));
var _ui2 = _interopRequireDefault(require("./editor/ui.data_expression"));
var _common = require("../core/utils/common");
var _type = require("../core/utils/type");
var _iterator = require("../core/utils/iterator");
var _selectors = require("./widget/selectors");
var _deferred = require("../core/utils/deferred");
var _renderer = _interopRequireDefault(require("../core/renderer"));
var _events_engine = _interopRequireDefault(require("../events/core/events_engine"));
var _extend = require("../core/utils/extend");
var _utils = require("../ui/overlay/utils");
var _component_registrator = _interopRequireDefault(require("../core/component_registrator"));
var _index = require("../events/utils/index");
var _short = require("../events/short");
var _devices = _interopRequireDefault(require("../core/devices"));
var _dom_adapter = _interopRequireDefault(require("../core/dom_adapter"));
var _element = require("../core/element");
function _interopRequireDefault(obj) {
return obj && obj.__esModule ? obj : {
default: obj
}
}
var getActiveElement = _dom_adapter.default.getActiveElement;
var DROP_DOWN_BOX_CLASS = "dx-dropdownbox";
var ANONYMOUS_TEMPLATE_NAME = "content";
var realDevice = _devices.default.real();
var DropDownBox = _ui.default.inherit({
_supportedKeys: function() {
return (0, _extend.extend)({}, this.callBase(), {
tab: function(e) {
if (!this.option("opened")) {
return
}
var $tabbableElements = this._getTabbableElements();
var $focusableElement = e.shiftKey ? $tabbableElements.last() : $tabbableElements.first();
$focusableElement && _events_engine.default.trigger($focusableElement, "focus");
e.preventDefault()
}
})
},
_getTabbableElements: function() {
return this._getElements().filter(_selectors.tabbable)
},
_getElements: function() {
return (0, _renderer.default)(this.content()).find("*")
},
_getDefaultOptions: function() {
return (0, _extend.extend)(this.callBase(), {
acceptCustomValue: false,
contentTemplate: ANONYMOUS_TEMPLATE_NAME,
openOnFieldClick: true,
displayValueFormatter: function(value) {
return Array.isArray(value) ? value.join(", ") : value
},
useHiddenSubmitElement: true
})
},
_getAnonymousTemplateName: function() {
return ANONYMOUS_TEMPLATE_NAME
},
_initTemplates: function() {
this.callBase()
},
_initMarkup: function() {
this._initDataExpressions();
this.$element().addClass(DROP_DOWN_BOX_CLASS);
this.callBase()
},
_setSubmitValue: function() {
var value = this.option("value");
var submitValue = this._shouldUseDisplayValue(value) ? this._displayGetter(value) : value;
this._getSubmitElement().val(submitValue)
},
_shouldUseDisplayValue: function(value) {
return "this" === this.option("valueExpr") && (0, _type.isObject)(value)
},
_renderInputValue: function() {
var callBase = this.callBase.bind(this);
var values = [];
if (!this._dataSource) {
callBase(values);
return (new _deferred.Deferred).resolve()
}
var currentValue = this._getCurrentValue();
var keys = (0, _common.ensureDefined)(currentValue, []);
keys = Array.isArray(keys) ? keys : [keys];
var itemLoadDeferreds = (0, _iterator.map)(keys, function(key) {
return this._loadItem(key).always(function(item) {
var displayValue = this._displayGetter(item);
values.push((0, _common.ensureDefined)(displayValue, key))
}.bind(this))
}.bind(this));
return _deferred.when.apply(this, itemLoadDeferreds).always(function() {
this.option("displayValue", values);
callBase(values.length && values)
}.bind(this))
},
_loadItem: function(value) {
var deferred = new _deferred.Deferred;
var that = this;
var selectedItem = (0, _common.grep)(this.option("items") || [], function(item) {
return this._isValueEquals(this._valueGetter(item), value)
}.bind(this))[0];
if (void 0 !== selectedItem) {
deferred.resolve(selectedItem)
} else {
this._loadValue(value).done((function(item) {
deferred.resolve(item)
})).fail((function(args) {
if (that.option("acceptCustomValue")) {
deferred.resolve(value)
} else {
deferred.reject()
}
}))
}
return deferred.promise()
},
_popupElementTabHandler: function(e) {
if ("tab" !== (0, _index.normalizeKeyName)(e)) {
return
}
var $firstTabbable = this._getTabbableElements().first().get(0);
var $lastTabbable = this._getTabbableElements().last().get(0);
var $target = e.originalEvent.target;
var moveBackward = !!($target === $firstTabbable && e.shift);
var moveForward = !!($target === $lastTabbable && !e.shift);
if (moveBackward || moveForward) {
this.close();
_events_engine.default.trigger(this._input(), "focus");
if (moveBackward) {
e.originalEvent.preventDefault()
}
}
},
_renderPopup: function(e) {
var _this = this;
this.callBase();
if (this.option("focusStateEnabled")) {
_short.keyboard.on(this.content(), null, (function(e) {
return _this._popupElementTabHandler(e)
}))
}
},
_renderPopupContent: function() {
if (this.option("contentTemplate") === ANONYMOUS_TEMPLATE_NAME) {
return
}
var contentTemplate = this._getTemplateByOption("contentTemplate");
if (!(contentTemplate && this.option("contentTemplate"))) {
return
}
var $popupContent = this._popup.$content();
var templateData = {
value: this._fieldRenderData(),
component: this
};
$popupContent.empty();
contentTemplate.render({
container: (0, _element.getPublicElement)($popupContent),
model: templateData
})
},
_canShowVirtualKeyboard: function() {
return realDevice.mac
},
_isNestedElementActive: function() {
var activeElement = getActiveElement();
return activeElement && this._popup.$content().get(0).contains(activeElement)
},
_shouldCloseOnTargetScroll: function() {
return "desktop" === realDevice.deviceType && this._canShowVirtualKeyboard() && this._isNestedElementActive()
},
_popupHiddenHandler: function() {
this.callBase();
this._popupPosition = void 0
},
_popupPositionedHandler: function(e) {
this.callBase(e);
this._popupPosition = e.position
},
_getDefaultPopupPosition: function(isRtlEnabled) {
var _this$callBase = this.callBase(isRtlEnabled),
my = _this$callBase.my,
at = _this$callBase.at;
return {
my: my,
at: at,
offset: {
v: -1
},
collision: "flipfit"
}
},
_popupConfig: function() {
var _this2 = this;
var _this$option = this.option(),
focusStateEnabled = _this$option.focusStateEnabled;
return (0, _extend.extend)(this.callBase(), {
tabIndex: -1,
dragEnabled: false,
focusStateEnabled: focusStateEnabled,
contentTemplate: ANONYMOUS_TEMPLATE_NAME,
closeOnTargetScroll: this._shouldCloseOnTargetScroll.bind(this),
position: (0, _extend.extend)(this.option("popupPosition"), {
of: this.$element()
}),
onKeyboardHandled: function(opts) {
return _this2.option("focusStateEnabled") && _this2._popupElementTabHandler(opts)
},
maxHeight: function() {
var _this$_popupPosition;
var popupLocation = null === (_this$_popupPosition = this._popupPosition) || void 0 === _this$_popupPosition ? void 0 : _this$_popupPosition.v.location;
return (0, _utils.getElementMaxHeightByWindow)(this.$element(), popupLocation)
}.bind(this)
})
},
_popupShownHandler: function() {
this.callBase();
var $firstElement = this._getTabbableElements().first();
_events_engine.default.trigger($firstElement, "focus")
},
_setCollectionWidgetOption: _common.noop,
_optionChanged: function(args) {
this._dataExpressionOptionChanged(args);
switch (args.name) {
case "dataSource":
this._renderInputValue();
break;
case "displayValue":
this.option("text", args.value);
break;
case "displayExpr":
this._renderValue();
break;
case "contentTemplate":
this._invalidate();
break;
default:
this.callBase(args)
}
}
}).include(_ui2.default);
(0, _component_registrator.default)("dxDropDownBox", DropDownBox);
var _default = DropDownBox;
exports.default = _default;
module.exports = exports.default;
module.exports.default = exports.default;