fundamental-ngx
Version:
SAP Fundamentals, implemented in Angular
169 lines • 14.7 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
import { Subject } from 'rxjs';
export class CalendarService {
constructor() {
/**
* Event thrown, when the element is selected by space or enter keys
*/
this.onKeySelect = new Subject();
/**
* Event thrown, when the focus goes after list of elements
*/
this.onListEndApproach = new Subject();
/**
* Event thrown, when the focus goes before list of elements
*/
this.onListStartApproach = new Subject();
/**
* Event thrown, when the focus is changed.
*/
this.onFocusIdChange = new Subject();
}
/**
* Method that provides, amount of day depending on month and year passed
* @param {?} month which is number 1-12
* @param {?} year which is number
* @return {?}
*/
static getDaysInMonth(month, year) {
/** @type {?} */
const isLeapYear = (/**
* @param {?} _year
* @return {?}
*/
(_year) => {
if (_year % 4 !== 0) {
return false;
}
else if (_year % 400 === 0) {
return true;
}
else {
return _year % 100 !== 0;
}
});
if (month === 2) {
return isLeapYear(year) ? 29 : 28;
}
else if ((month % 2 === 0 && month < 8) || (month % 2 === 1 && month > 8)) {
return 30;
}
else {
return 31;
}
}
/**
* Method that check equality of 2 dates.
* @param {?} date1
* @param {?} date2
* @return {?}
*/
static datesEqual(date1, date2) {
if (!date1 || !date2) {
return false;
}
else {
return date1.toDateString() === date2.toDateString();
}
}
/**
* Method that handles keydown events, dedicated for Month and Year views, which have a list with 12 elements.
* Triggers the events, when the focus approaches start and end of list. Or when there is basic change of focus.
* Triggers also event, when the element is selected by enter key, or space bar.
* @param {?} event KeyboardEvent
* @param {?} index which is number (0 - 11)
* @return {?}
*/
onKeydownHandler(event, index) {
switch (event.code) {
case 'Enter':
case 'Space': {
event.preventDefault();
this.onKeySelect.next(index);
break;
}
case 'ArrowLeft': {
event.preventDefault();
if (index === 0) {
this.onListStartApproach.next();
this.onFocusIdChange.next(11);
}
else {
this.onFocusIdChange.next(index - 1);
}
break;
}
case 'ArrowRight': {
event.preventDefault();
if (index === 11) {
this.onListEndApproach.next();
this.onFocusIdChange.next(0);
}
else {
this.onFocusIdChange.next(index + 1);
}
break;
}
case 'ArrowUp': {
event.preventDefault();
if (index <= 3) {
this.onListStartApproach.next();
this.onFocusIdChange.next(index + 8);
}
else {
this.onFocusIdChange.next(index - 4);
}
break;
}
case 'ArrowDown': {
event.preventDefault();
if (index >= 8) {
this.onListEndApproach.next();
this.onFocusIdChange.next(index - 8);
}
else {
this.onFocusIdChange.next(index + 4);
}
break;
}
case 'Tab': {
if (this.focusEscapeFunction && !event.shiftKey) {
event.preventDefault();
this.focusEscapeFunction();
}
break;
}
}
}
}
if (false) {
/**
* Event thrown, when the element is selected by space or enter keys
* @type {?}
*/
CalendarService.prototype.onKeySelect;
/**
* Event thrown, when the focus goes after list of elements
* @type {?}
*/
CalendarService.prototype.onListEndApproach;
/**
* Event thrown, when the focus goes before list of elements
* @type {?}
*/
CalendarService.prototype.onListStartApproach;
/**
* Event thrown, when the focus is changed.
* @type {?}
*/
CalendarService.prototype.onFocusIdChange;
/**
* Function that is called when the focus would escape the element.
* @type {?}
*/
CalendarService.prototype.focusEscapeFunction;
}
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Or when there is basic change of focus.\n     * Triggers also event, when the element is selected by enter key, or space bar.\n     * @param event KeyboardEvent\n     * @param index which is number (0 - 11)\n     */\n    public onKeydownHandler(event: KeyboardEvent, index: number): void {\n        switch (event.code) {\n            case 'Enter':\n            case 'Space': {\n                event.preventDefault();\n                this.onKeySelect.next(index);\n                break;\n            }\n            case 'ArrowLeft': {\n                event.preventDefault();\n                if (index === 0) {\n                    this.onListStartApproach.next();\n                    this.onFocusIdChange.next(11)\n                } else {\n                    this.onFocusIdChange.next(index - 1)\n                }\n                break;\n            }\n            case 'ArrowRight': {\n                event.preventDefault();\n                if (index === 11) {\n                    this.onListEndApproach.next();\n                    this.onFocusIdChange.next(0)\n                } else {\n                    this.onFocusIdChange.next(index + 1)\n                }\n                break;\n            }\n            case 'ArrowUp': {\n                event.preventDefault();\n                if (index <= 3) {\n                    this.onListStartApproach.next();\n                    this.onFocusIdChange.next(index + 8);\n                } else {\n                    this.onFocusIdChange.next(index - 4);\n                }\n                break;\n            }\n            case 'ArrowDown': {\n                event.preventDefault();\n                if (index >= 8) {\n                    this.onListEndApproach.next();\n                    this.onFocusIdChange.next(index - 8);\n                } else {\n                    this.onFocusIdChange.next(index + 4);\n                }\n                break;\n            }\n            case 'Tab': {\n                if (this.focusEscapeFunction && !event.shiftKey) {\n                    event.preventDefault();\n                    this.focusEscapeFunction();\n                }\n                break;\n            }\n        }\n    }\n\n}\n"]}