@progress/kendo-angular-dropdowns
Version:
Dropdowns Package for Angular 2
113 lines (112 loc) • 4.42 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
var core_1 = require("@angular/core");
var util_1 = require("./util");
var keys_1 = require("./common/keys");
var navigation_action_1 = require("./navigation-action");
var MIN_INDEX = 0;
/**
* @hidden
*/
var NavigationEvent = (function () {
/**
* The index of the item to which the user navigated.
*/
function NavigationEvent(index, originalEvent) {
this.index = index;
this.originalEvent = originalEvent;
}
return NavigationEvent;
}());
exports.NavigationEvent = NavigationEvent;
/**
* @hidden
*/
var NavigationService = (function () {
function NavigationService() {
this.open = new core_1.EventEmitter();
this.close = new core_1.EventEmitter();
this.enter = new core_1.EventEmitter();
this.tab = new core_1.EventEmitter();
this.esc = new core_1.EventEmitter();
this.up = new core_1.EventEmitter();
this.right = new core_1.EventEmitter();
this.down = new core_1.EventEmitter();
this.left = new core_1.EventEmitter();
this.delete = new core_1.EventEmitter();
this.backspace = new core_1.EventEmitter();
this.home = new core_1.EventEmitter();
this.end = new core_1.EventEmitter();
}
NavigationService.prototype.process = function (args) {
var keyCode = args.originalEvent.keyCode;
var altKey = args.originalEvent.altKey;
var index;
var action = navigation_action_1.NavigationAction.Undefined;
if (altKey && keyCode === keys_1.Keys.down) {
action = navigation_action_1.NavigationAction.Open;
}
else if (altKey && keyCode === keys_1.Keys.up) {
action = navigation_action_1.NavigationAction.Close;
}
else if (keyCode === keys_1.Keys.enter) {
action = navigation_action_1.NavigationAction.Enter;
}
else if (keyCode === keys_1.Keys.esc) {
action = navigation_action_1.NavigationAction.Esc;
}
else if (keyCode === keys_1.Keys.tab) {
action = navigation_action_1.NavigationAction.Tab;
}
else if (keyCode === keys_1.Keys.up) {
index = this.next({ current: args.current, start: args.max, end: args.min, step: -1 });
action = navigation_action_1.NavigationAction.Up;
}
else if (keyCode === keys_1.Keys.left) {
index = this.next({ current: args.current, start: args.max, end: args.min, step: -1 });
action = navigation_action_1.NavigationAction.Left;
}
else if (keyCode === keys_1.Keys.down) {
index = this.next({ current: args.current, start: args.min, end: args.max, step: 1 });
action = navigation_action_1.NavigationAction.Down;
}
else if (keyCode === keys_1.Keys.right) {
index = this.next({ current: args.current, start: args.min, end: args.max, step: 1 });
action = navigation_action_1.NavigationAction.Right;
}
else if (keyCode === keys_1.Keys.home) {
index = MIN_INDEX;
action = navigation_action_1.NavigationAction.Home;
}
else if (keyCode === keys_1.Keys.end) {
index = args.max;
action = navigation_action_1.NavigationAction.End;
}
else if (keyCode === keys_1.Keys.delete) {
action = navigation_action_1.NavigationAction.Delete;
}
else if (keyCode === keys_1.Keys.backspace) {
action = navigation_action_1.NavigationAction.Backspace;
}
var eventData = new NavigationEvent(index, args.originalEvent);
if (action !== navigation_action_1.NavigationAction.Undefined) {
this[navigation_action_1.NavigationAction[action].toLowerCase()].emit(eventData);
}
return action;
};
NavigationService.prototype.next = function (args) {
if (!util_1.isPresent(args.current)) {
return args.start;
}
else {
return args.current !== args.end ? args.current + args.step : args.end;
}
};
return NavigationService;
}());
NavigationService.decorators = [
{ type: core_1.Injectable },
];
/** @nocollapse */
NavigationService.ctorParameters = function () { return []; };
exports.NavigationService = NavigationService;