devextreme
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HTML5 JavaScript Component Suite for Responsive Web Development
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JavaScript
/**
* DevExtreme (esm/ui/date_box/ui.date_box.strategy.calendar.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/
*/
import Calendar from "../calendar";
import DateBoxStrategy from "./ui.date_box.strategy";
import dateUtils from "../../core/utils/date";
import {
splitPair
} from "../../core/utils/common";
import {
isFunction,
isEmptyObject
} from "../../core/utils/type";
import {
extend
} from "../../core/utils/extend";
import messageLocalization from "../../localization/message";
var CalendarStrategy = DateBoxStrategy.inherit({
NAME: "Calendar",
supportedKeys: function() {
var homeEndHandler = function(e) {
if (this.option("opened")) {
e.preventDefault();
return true
}
return false
};
return {
rightArrow: function() {
if (this.option("opened")) {
return true
}
},
leftArrow: function() {
if (this.option("opened")) {
return true
}
},
enter: function(e) {
if (this.dateBox.option("opened")) {
e.preventDefault();
if (this._widget.option("zoomLevel") === this._widget.option("maxZoomLevel")) {
var viewValue = this._getContouredValue();
var lastActionElement = this._lastActionElement;
var shouldCloseDropDown = this._closeDropDownByEnter();
if (shouldCloseDropDown && viewValue && "calendar" === lastActionElement) {
this.dateBoxValue(viewValue, e)
}
shouldCloseDropDown && this.dateBox.close();
this.dateBox._valueChangeEventHandler(e);
return !shouldCloseDropDown
} else {
return true
}
} else {
this.dateBox._valueChangeEventHandler(e)
}
}.bind(this),
home: homeEndHandler,
end: homeEndHandler
}
},
getDisplayFormat: function(displayFormat) {
return displayFormat || "shortdate"
},
_closeDropDownByEnter: () => true,
_getWidgetName: function() {
return Calendar
},
_getContouredValue: function() {
return this._widget._view.option("contouredDate")
},
getKeyboardListener() {
return this._widget
},
_getWidgetOptions: function() {
var disabledDates = this.dateBox.option("disabledDates");
return extend(this.dateBox.option("calendarOptions"), {
value: this.dateBoxValue() || null,
dateSerializationFormat: null,
min: this.dateBox.dateOption("min"),
max: this.dateBox.dateOption("max"),
onValueChanged: this._valueChangedHandler.bind(this),
onCellClick: this._cellClickHandler.bind(this),
tabIndex: null,
disabledDates: isFunction(disabledDates) ? this._injectComponent(disabledDates.bind(this.dateBox)) : disabledDates,
onContouredChanged: this._refreshActiveDescendant.bind(this),
hasFocus: function() {
return true
}
})
},
_injectComponent: function(func) {
var that = this;
return function(params) {
extend(params, {
component: that.dateBox
});
return func(params)
}
},
_refreshActiveDescendant: function(e) {
this._lastActionElement = "calendar";
this.dateBox.setAria("activedescendant", e.actionValue)
},
popupConfig: function(_popupConfig) {
var toolbarItems = _popupConfig.toolbarItems;
var buttonsLocation = this.dateBox.option("buttonsLocation");
var position = [];
if ("default" !== buttonsLocation) {
position = splitPair(buttonsLocation)
} else {
position = ["bottom", "center"]
}
if ("useButtons" === this.dateBox.option("applyValueMode") && this._isCalendarVisible()) {
toolbarItems.unshift({
widget: "dxButton",
toolbar: position[0],
location: "after" === position[1] ? "before" : position[1],
options: {
onInitialized: function(e) {
e.component.registerKeyHandler("escape", this._escapeHandler.bind(this))
}.bind(this),
onClick: args => {
this._widget._toTodayView(args)
},
text: messageLocalization.format("dxCalendar-todayButtonText"),
type: "today"
}
})
}
return extend(true, _popupConfig, {
toolbarItems: toolbarItems,
position: {
collision: "flipfit flip"
},
width: "auto"
})
},
_isCalendarVisible: function() {
return isEmptyObject(this.dateBox.option("calendarOptions")) || false !== this.dateBox.option("calendarOptions.visible")
},
_escapeHandler: function() {
this.dateBox.close();
this.dateBox.focus()
},
_valueChangedHandler: function(e) {
var dateBox = this.dateBox;
var value = e.value;
var prevValue = e.previousValue;
if (dateUtils.sameDate(value, prevValue)) {
return
}
if ("instantly" === dateBox.option("applyValueMode")) {
this.dateBoxValue(this.getValue(), e.event)
}
},
_updateValue: function() {
if (!this._widget) {
return
}
this._widget.option("value", this.dateBoxValue())
},
textChangedHandler: function() {
this._lastActionElement = "input";
if (this.dateBox.option("opened") && this._widget) {
this._updateValue(true)
}
},
_cellClickHandler: function(e) {
var dateBox = this.dateBox;
if ("instantly" === dateBox.option("applyValueMode")) {
dateBox.option("opened", false);
this.dateBoxValue(this.getValue(), e.event)
}
}
});
export default CalendarStrategy;