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Ignite UI for Angular is a dependency-free Angular toolkit for building modern web apps

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import { __decorate, __extends, __metadata } from "tslib"; import { IgxDropDownItemNavigationDirective } from '../drop-down/drop-down-navigation.directive'; import { Directive, Input, HostListener } from '@angular/core'; import { Subscription, timer } from 'rxjs'; /** @hidden @internal */ var IgxSelectItemNavigationDirective = /** @class */ (function (_super) { __extends(IgxSelectItemNavigationDirective, _super); function IgxSelectItemNavigationDirective() { var _this = _super.call(this, null) || this; // tslint:disable:member-ordering _this.inputStream = ''; _this.clearStream$ = Subscription.EMPTY; return _this; } /** Captures keydown events and calls the appropriate handlers on the target component */ IgxSelectItemNavigationDirective.prototype.handleKeyDown = function (event) { if (!event || event.shiftKey) { return; } var key = event.key.toLowerCase(); if (event.altKey && (key === 'arrowdown' || key === 'arrowup' || key === 'down' || key === 'up')) { this.target.toggle(); return; } if (this.target.collapsed) { switch (key) { case 'space': case 'spacebar': case ' ': case 'enter': event.preventDefault(); this.target.open(); return; case 'arrowdown': case 'down': this.target.navigateNext(); this.target.selectItem(this.target.focusedItem); event.preventDefault(); return; case 'arrowup': case 'up': this.target.navigatePrev(); this.target.selectItem(this.target.focusedItem); event.preventDefault(); return; default: break; } } _super.prototype.handleKeyDown.call(this, event); }; /** Handle continuous letter typing navigation */ IgxSelectItemNavigationDirective.prototype.captureKey = function (event) { var _this = this; // relying only on key, available on all major browsers: // https://caniuse.com/#feat=keyboardevent-key (IE/Edge quirk doesn't affect letter typing) if (!event || !event.key || event.key.length > 1) { // ignore longer keys ('Alt', 'ArrowDown', etc) return; } this.clearStream$.unsubscribe(); this.clearStream$ = timer(500).subscribe(function () { _this.inputStream = ''; }); this.inputStream += event.key; var focusedItem = this.target.focusedItem; // select the item if (focusedItem && this.inputStream.length > 1 && focusedItem.itemText.toLowerCase().startsWith(this.inputStream.toLowerCase())) { return; } this.activateItemByText(this.inputStream); }; IgxSelectItemNavigationDirective.prototype.activateItemByText = function (text) { var items = this.target.items; var activeItemIndex = items.indexOf(this.target.focusedItem) || 0; // ^ this is focused OR selected if the dd is closed var nextItem = items.slice(activeItemIndex + 1).find(function (x) { return !x.disabled && (x.itemText.toLowerCase().startsWith(text.toLowerCase())); }); if (!nextItem) { nextItem = items.slice(0, activeItemIndex).find(function (x) { return !x.disabled && (x.itemText.toLowerCase().startsWith(text.toLowerCase())); }); } if (!nextItem) { return; } if (this.target.collapsed) { this.target.selectItem(nextItem); } this.target.navigateItem(items.indexOf(nextItem)); }; IgxSelectItemNavigationDirective.prototype.ngOnDestroy = function () { this.clearStream$.unsubscribe(); }; __decorate([ Input('igxSelectItemNavigation'), __metadata("design:type", Object) ], IgxSelectItemNavigationDirective.prototype, "target", void 0); __decorate([ HostListener('keyup', ['$event']), __metadata("design:type", Function), __metadata("design:paramtypes", [KeyboardEvent]), __metadata("design:returntype", void 0) ], IgxSelectItemNavigationDirective.prototype, "captureKey", null); IgxSelectItemNavigationDirective = __decorate([ Directive({ selector: '[igxSelectItemNavigation]' }), __metadata("design:paramtypes", []) ], IgxSelectItemNavigationDirective); return IgxSelectItemNavigationDirective; }(IgxDropDownItemNavigationDirective)); export { IgxSelectItemNavigationDirective }; //# sourceMappingURL=data:application/json;base64,{"version":3,"file":"select-navigation.directive.js","sourceRoot":"ng://igniteui-angular/","sources":["lib/select/select-navigation.directive.ts"],"names":[],"mappings":";AAAA,OAAO,EAAE,kCAAkC,EAAE,MAAM,6CAA6C,CAAC;AACjG,OAAO,EAAE,SAAS,EAAE,KAAK,EAAE,YAAY,EAAa,MAAM,eAAe,CAAC;AAC1E,OAAO,EAAE,YAAY,EAAE,KAAK,EAAE,MAAM,MAAM,CAAC;AAI3C,wBAAwB;AAIxB;IAAsD,oDAAkC;IAKpF;QAAA,YAAgB,kBAAM,IAAI,CAAC,SAAG;QA2C9B,iCAAiC;QACzB,iBAAW,GAAG,EAAE,CAAC;QACjB,kBAAY,GAAG,YAAY,CAAC,KAAK,CAAC;;IA7Cb,CAAC;IAE9B,yFAAyF;IACzF,wDAAa,GAAb,UAAc,KAAoB;QAC9B,IAAI,CAAC,KAAK,IAAI,KAAK,CAAC,QAAQ,EAAE;YAC1B,OAAO;SACV;QAED,IAAM,GAAG,GAAG,KAAK,CAAC,GAAG,CAAC,WAAW,EAAE,CAAC;QACpC,IAAI,KAAK,CAAC,MAAM,IAAI,CAAC,GAAG,KAAK,WAAW,IAAI,GAAG,KAAK,SAAS,IAAI,GAAG,KAAK,MAAM,IAAI,GAAG,KAAK,IAAI,CAAC,EAAE;YAC9F,IAAI,CAAC,MAAM,CAAC,MAAM,EAAE,CAAC;YACrB,OAAO;SACV;QAED,IAAI,IAAI,CAAC,MAAM,CAAC,SAAS,EAAE;YACvB,QAAQ,GAAG,EAAE;gBACT,KAAK,OAAO,CAAC;gBACb,KAAK,UAAU,CAAC;gBAChB,KAAK,GAAG,CAAC;gBACT,KAAK,OAAO;oBACR,KAAK,CAAC,cAAc,EAAE,CAAC;oBACvB,IAAI,CAAC,MAAM,CAAC,IAAI,EAAE,CAAC;oBACnB,OAAO;gBACX,KAAK,WAAW,CAAC;gBACjB,KAAK,MAAM;oBACP,IAAI,CAAC,MAAM,CAAC,YAAY,EAAE,CAAC;oBAC3B,IAAI,CAAC,MAAM,CAAC,UAAU,CAAC,IAAI,CAAC,MAAM,CAAC,WAAW,CAAC,CAAC;oBAChD,KAAK,CAAC,cAAc,EAAE,CAAC;oBACvB,OAAO;gBACX,KAAK,SAAS,CAAC;gBACf,KAAK,IAAI;oBACL,IAAI,CAAC,MAAM,CAAC,YAAY,EAAE,CAAC;oBAC3B,IAAI,CAAC,MAAM,CAAC,UAAU,CAAC,IAAI,CAAC,MAAM,CAAC,WAAW,CAAC,CAAC;oBAChD,KAAK,CAAC,cAAc,EAAE,CAAC;oBACvB,OAAO;gBACX;oBACI,MAAM;aACb;SACJ;QAED,iBAAM,aAAa,YAAC,KAAK,CAAC,CAAC;IAC/B,CAAC;IAMD,iDAAiD;IAE1C,qDAAU,GAAjB,UAAkB,KAAoB;QADtC,iBAqBC;QAnBG,wDAAwD;QACxD,2FAA2F;QAC3F,IAAI,CAAC,KAAK,IAAI,CAAC,KAAK,CAAC,GAAG,IAAI,KAAK,CAAC,GAAG,CAAC,MAAM,GAAG,CAAC,EAAE;YAC9C,+CAA+C;YAC/C,OAAO;SACV;QAED,IAAI,CAAC,YAAY,CAAC,WAAW,EAAE,CAAC;QAChC,IAAI,CAAC,YAAY,GAAG,KAAK,CAAC,GAAG,CAAC,CAAC,SAAS,CAAC;YACrC,KAAI,CAAC,WAAW,GAAG,EAAE,CAAC;QAC1B,CAAC,CAAC,CAAC;QACH,IAAI,CAAC,WAAW,IAAI,KAAK,CAAC,GAAG,CAAC;QAC9B,IAAM,WAAW,GAAG,IAAI,CAAC,MAAM,CAAC,WAAqC,CAAC;QAEtE,kBAAkB;QAClB,IAAI,WAAW,IAAI,IAAI,CAAC,WAAW,CAAC,MAAM,GAAG,CAAC,IAAI,WAAW,CAAC,QAAQ,CAAC,WAAW,EAAE,CAAC,UAAU,CAAC,IAAI,CAAC,WAAW,CAAC,WAAW,EAAE,CAAC,EAAE;YAC7H,OAAO;SACV;QACD,IAAI,CAAC,kBAAkB,CAAC,IAAI,CAAC,WAAW,CAAC,CAAC;IAC9C,CAAC;IAEM,6DAAkB,GAAzB,UAA0B,IAAY;QAClC,IAAM,KAAK,GAAG,IAAI,CAAC,MAAM,CAAC,KAAiC,CAAC;QAC5D,IAAM,eAAe,GAAG,KAAK,CAAC,OAAO,CAAC,IAAI,CAAC,MAAM,CAAC,WAAqC,CAAC,IAAI,CAAC,CAAC;QAC9F,oDAAoD;QACpD,IAAI,QAAQ,GAAG,KAAK,CAAC,KAAK,CAAC,eAAe,GAAG,CAAC,CAAC,CAAC,IAAI,CAAC,UAAA,CAAC,IAAI,OAAA,CAAC,CAAC,CAAC,QAAQ,IAAI,CAAC,CAAC,CAAC,QAAQ,CAAC,WAAW,EAAE,CAAC,UAAU,CAAC,IAAI,CAAC,WAAW,EAAE,CAAC,CAAC,EAAxE,CAAwE,CAAC,CAAC;QAEpI,IAAI,CAAC,QAAQ,EAAE;YACX,QAAQ,GAAG,KAAK,CAAC,KAAK,CAAC,CAAC,EAAE,eAAe,CAAC,CAAC,IAAI,CAAC,UAAA,CAAC,IAAI,OAAA,CAAC,CAAC,CAAC,QAAQ,IAAI,CAAC,CAAC,CAAC,QAAQ,CAAC,WAAW,EAAE,CAAC,UAAU,CAAC,IAAI,CAAC,WAAW,EAAE,CAAC,CAAC,EAAxE,CAAwE,CAAC,CAAC;SAClI;QAED,IAAI,CAAC,QAAQ,EAAE;YACX,OAAO;SACV;QAED,IAAI,IAAI,CAAC,MAAM,CAAC,SAAS,EAAE;YACvB,IAAI,CAAC,MAAM,CAAC,UAAU,CAAC,QAAQ,CAAC,CAAC;SACpC;QACD,IAAI,CAAC,MAAM,CAAC,YAAY,CAAC,KAAK,CAAC,OAAO,CAAC,QAAQ,CAAC,CAAC,CAAC;IACtD,CAAC;IAED,sDAAW,GAAX;QACI,IAAI,CAAC,YAAY,CAAC,WAAW,EAAE,CAAC;IACpC,CAAC;IA/FD;QADC,KAAK,CAAC,yBAAyB,CAAC;;oEACJ;IAmD7B;QADC,YAAY,CAAC,OAAO,EAAE,CAAC,QAAQ,CAAC,CAAC;;yCACT,aAAa;;sEAoBrC;IA1EQ,gCAAgC;QAH5C,SAAS,CAAC;YACP,QAAQ,EAAE,2BAA2B;SACxC,CAAC;;OACW,gCAAgC,CAmG5C;IAAD,uCAAC;CAAA,AAnGD,CAAsD,kCAAkC,GAmGvF;SAnGY,gCAAgC","sourcesContent":["import { IgxDropDownItemNavigationDirective } from '../drop-down/drop-down-navigation.directive';\nimport { Directive, Input, HostListener, OnDestroy } from '@angular/core';\nimport { Subscription, timer } from 'rxjs';\nimport { IgxSelectItemComponent } from './select-item.component';\nimport { IgxSelectBase } from './select.common';\n\n/** @hidden @internal */\n@Directive({\n    selector: '[igxSelectItemNavigation]'\n})\nexport class IgxSelectItemNavigationDirective extends IgxDropDownItemNavigationDirective implements OnDestroy {\n\n    @Input('igxSelectItemNavigation')\n    public target: IgxSelectBase;\n\n    constructor() { super(null); }\n\n    /** Captures keydown events and calls the appropriate handlers on the target component */\n    handleKeyDown(event: KeyboardEvent) {\n        if (!event || event.shiftKey) {\n            return;\n        }\n\n        const key = event.key.toLowerCase();\n        if (event.altKey && (key === 'arrowdown' || key === 'arrowup' || key === 'down' || key === 'up')) {\n            this.target.toggle();\n            return;\n        }\n\n        if (this.target.collapsed) {\n            switch (key) {\n                case 'space':\n                case 'spacebar':\n                case ' ':\n                case 'enter':\n                    event.preventDefault();\n                    this.target.open();\n                    return;\n                case 'arrowdown':\n                case 'down':\n                    this.target.navigateNext();\n                    this.target.selectItem(this.target.focusedItem);\n                    event.preventDefault();\n                    return;\n                case 'arrowup':\n                case 'up':\n                    this.target.navigatePrev();\n                    this.target.selectItem(this.target.focusedItem);\n                    event.preventDefault();\n                    return;\n                default:\n                    break;\n            }\n        }\n\n        super.handleKeyDown(event);\n    }\n\n    // tslint:disable:member-ordering\n    private inputStream = '';\n    private clearStream$ = Subscription.EMPTY;\n\n    /** Handle continuous letter typing navigation */\n    @HostListener('keyup', ['$event'])\n    public captureKey(event: KeyboardEvent) {\n        // relying only on key, available on all major browsers:\n        // https://caniuse.com/#feat=keyboardevent-key (IE/Edge quirk doesn't affect letter typing)\n        if (!event || !event.key || event.key.length > 1) {\n            // ignore longer keys ('Alt', 'ArrowDown', etc)\n            return;\n        }\n\n        this.clearStream$.unsubscribe();\n        this.clearStream$ = timer(500).subscribe(() => {\n            this.inputStream = '';\n        });\n        this.inputStream += event.key;\n        const focusedItem = this.target.focusedItem as IgxSelectItemComponent;\n\n        // select the item\n        if (focusedItem && this.inputStream.length > 1 && focusedItem.itemText.toLowerCase().startsWith(this.inputStream.toLowerCase())) {\n            return;\n        }\n        this.activateItemByText(this.inputStream);\n    }\n\n    public activateItemByText(text: string) {\n        const items = this.target.items as IgxSelectItemComponent[];\n        const activeItemIndex = items.indexOf(this.target.focusedItem as IgxSelectItemComponent) || 0;\n        // ^ this is focused OR selected if the dd is closed\n        let nextItem = items.slice(activeItemIndex + 1).find(x => !x.disabled && (x.itemText.toLowerCase().startsWith(text.toLowerCase())));\n\n        if (!nextItem) {\n            nextItem = items.slice(0, activeItemIndex).find(x => !x.disabled && (x.itemText.toLowerCase().startsWith(text.toLowerCase())));\n        }\n\n        if (!nextItem) {\n            return;\n        }\n\n        if (this.target.collapsed) {\n            this.target.selectItem(nextItem);\n        }\n        this.target.navigateItem(items.indexOf(nextItem));\n    }\n\n    ngOnDestroy(): void {\n        this.clearStream$.unsubscribe();\n    }\n}\n"]}