@catull/igniteui-angular
Version:
Ignite UI for Angular is a dependency-free Angular toolkit for building modern web apps
475 lines • 44.6 kB
JavaScript
import { __decorate, __metadata } from "tslib";
import { ChangeDetectionStrategy, Component, ElementRef, HostBinding, HostListener, Input, Renderer2, ViewChild } from '@angular/core';
import { IgxListPanState, IListChild, IgxListBaseDirective } from './list.common';
import { HammerGesturesManager } from '../core/touch';
/**
* The Ignite UI List Item component is a container intended for row items in the Ignite UI for Angular List component.
*
* Example:
* ```html
* <igx-list>
* <igx-list-item isHeader="true">Contacts</igx-list-item>
* <igx-list-item *ngFor="let contact of contacts">
* <span class="name">{{ contact.name }}</span>
* <span class="phone">{{ contact.phone }}</span>
* </igx-list-item>
* </igx-list>
* ```
*/
var IgxListItemComponent = /** @class */ (function () {
function IgxListItemComponent(list, elementRef, _renderer) {
this.list = list;
this.elementRef = elementRef;
this._renderer = _renderer;
/**
*@hidden
*/
this._panState = IgxListPanState.NONE;
/**
*@hidden
*/
this.panOffset = 0;
/**
* @hidden
*/
this._index = null;
/**
*@hidden
*/
this.lastPanDir = IgxListPanState.NONE;
/**
* Sets/gets whether the `list item` is hidden.
* By default the `hidden` value is `false`.
* ```html
* <igx-list-item [hidden] = "true">Hidden Item</igx-list-item>
* ```
* ```typescript
* let isHidden = this.listItem.hidden;
* ```
* @memberof IgxListItemComponent
*/
this.hidden = false;
/**
* Gets the `touch-action` style of the `list item`.
* ```typescript
* let touchAction = this.listItem.touchAction;
* ```
*/
this.touchAction = 'pan-y';
}
Object.defineProperty(IgxListItemComponent.prototype, "role", {
/**
* Gets the `role` attribute of the `list item`.
* ```typescript
* let itemRole = this.listItem.role;
* ```
* @memberof IgxListItemComponent
*/
get: function () {
return this.isHeader ? 'separator' : 'listitem';
},
enumerable: true,
configurable: true
});
Object.defineProperty(IgxListItemComponent.prototype, "headerStyle", {
/**
* Indicates whether `list item` should have header style.
* ```typescript
* let headerStyle = this.listItem.headerStyle;
* ```
* @memberof IgxListItemComponent
*/
get: function () {
return this.isHeader;
},
enumerable: true,
configurable: true
});
Object.defineProperty(IgxListItemComponent.prototype, "innerStyle", {
/**
* Applies the inner style of the `list item` if the item is not counted as header.
* ```typescript
* let innerStyle = this.listItem.innerStyle;
* ```
* @memberof IgxListItemComponent
*/
get: function () {
return !this.isHeader;
},
enumerable: true,
configurable: true
});
Object.defineProperty(IgxListItemComponent.prototype, "display", {
/**
* Returns string value which describes the display mode of the `list item`.
* ```typescript
* let isHidden = this.listItem.display;
* ```
* @memberof IgxListItemComponent
*/
get: function () {
return this.hidden ? 'none' : '';
},
enumerable: true,
configurable: true
});
/**
*@hidden
*/
IgxListItemComponent.prototype.clicked = function (evt) {
this.list.onItemClicked.emit({ item: this, event: evt, direction: this.lastPanDir });
this.lastPanDir = IgxListPanState.NONE;
};
/**
*@hidden
*/
IgxListItemComponent.prototype.panStart = function (ev) {
if (this.isTrue(this.isHeader)) {
return;
}
if (!this.isTrue(this.list.allowLeftPanning) && !this.isTrue(this.list.allowRightPanning)) {
return;
}
};
/**
*@hidden
*/
IgxListItemComponent.prototype.panMove = function (ev) {
if (this.isTrue(this.isHeader)) {
return;
}
if (!this.isTrue(this.list.allowLeftPanning) && !this.isTrue(this.list.allowRightPanning)) {
return;
}
var isPanningToLeft = ev.deltaX < 0;
if (isPanningToLeft && this.isTrue(this.list.allowLeftPanning)) {
this.showLeftPanTemplate();
this.setContentElementLeft(Math.max(this.maxLeft, ev.deltaX));
}
else if (!isPanningToLeft && this.isTrue(this.list.allowRightPanning)) {
this.showRightPanTemplate();
this.setContentElementLeft(Math.min(this.maxRight, ev.deltaX));
}
};
/**
*@hidden
*/
IgxListItemComponent.prototype.panEnd = function (ev) {
if (this.isTrue(this.isHeader)) {
return;
}
if (!this.isTrue(this.list.allowLeftPanning) && !this.isTrue(this.list.allowRightPanning)) {
return;
}
// the translation offset of the current list item content
var relativeOffset = this.panOffset;
var widthTriggeringGrip = this.width * this.list.panEndTriggeringThreshold;
if (relativeOffset === 0) {
return; // no panning has occured
}
var dir = relativeOffset > 0 ? IgxListPanState.RIGHT : IgxListPanState.LEFT;
this.lastPanDir = dir;
var oldPanState = this._panState;
if (Math.abs(relativeOffset) < widthTriggeringGrip) {
this.setContentElementLeft(0);
this._panState = IgxListPanState.NONE;
this.hideLeftAndRightPanTemplates();
return;
}
var args = { item: this, direction: dir, keepItem: false };
if (dir === IgxListPanState.LEFT) {
this.list.onLeftPan.emit(args);
}
else {
this.list.onRightPan.emit(args);
}
if (args.keepItem === true) {
this.setContentElementLeft(0);
this._panState = IgxListPanState.NONE;
}
else {
if (dir === IgxListPanState.LEFT) {
this.setContentElementLeft(this.maxLeft);
this._panState = IgxListPanState.LEFT;
}
else {
this.setContentElementLeft(this.maxRight);
this._panState = IgxListPanState.RIGHT;
}
}
if (oldPanState !== this._panState) {
var args2 = { oldState: oldPanState, newState: this._panState, item: this };
this.list.onPanStateChange.emit(args2);
}
this.hideLeftAndRightPanTemplates();
};
/**
*@hidden
*/
IgxListItemComponent.prototype.showLeftPanTemplate = function () {
this.setLeftAndRightTemplatesVisibility('visible', 'hidden');
};
/**
*@hidden
*/
IgxListItemComponent.prototype.showRightPanTemplate = function () {
this.setLeftAndRightTemplatesVisibility('hidden', 'visible');
};
/**
*@hidden
*/
IgxListItemComponent.prototype.hideLeftAndRightPanTemplates = function () {
var _this = this;
setTimeout(function () {
_this.setLeftAndRightTemplatesVisibility('hidden', 'hidden');
}, 500);
};
/**
*@hidden
*/
IgxListItemComponent.prototype.setLeftAndRightTemplatesVisibility = function (leftVisibility, rightVisibility) {
if (this.leftPanningTemplateElement && this.leftPanningTemplateElement.nativeElement) {
this.leftPanningTemplateElement.nativeElement.style.visibility = leftVisibility;
}
if (this.rightPanningTemplateElement && this.rightPanningTemplateElement.nativeElement) {
this.rightPanningTemplateElement.nativeElement.style.visibility = rightVisibility;
}
};
Object.defineProperty(IgxListItemComponent.prototype, "panState", {
/**
* Gets the `panState` of a `list item`.
* ```typescript
* let itemPanState = this.listItem.panState;
* ```
* @memberof IgxListItemComponent
*/
get: function () {
return this._panState;
},
enumerable: true,
configurable: true
});
Object.defineProperty(IgxListItemComponent.prototype, "index", {
/**
* Gets the `index` of a `list item`.
* ```typescript
* let itemIndex = this.listItem.index;
* ```
* @memberof IgxListItemComponent
*/
get: function () {
return this._index !== null ? this._index : this.list.children.toArray().indexOf(this);
},
/**
* Sets the `index` of the `list item`.
* ```typescript
* this.listItem.index = index;
* ```
* @memberof IgxListItemComponent
*/
set: function (value) {
this._index = value;
},
enumerable: true,
configurable: true
});
Object.defineProperty(IgxListItemComponent.prototype, "element", {
/**
* Returns an element reference to the list item.
* ```typescript
* let listItemElement = this.listItem.element.
* ```
* @memberof IgxListItemComponent
*/
get: function () {
return this.elementRef.nativeElement;
},
enumerable: true,
configurable: true
});
Object.defineProperty(IgxListItemComponent.prototype, "contentElement", {
/**
* Returns a reference container which contains the list item's content.
* ```typescript
* let listItemContainer = this.listItem.contentElement.
* ```
* @memberof IgxListItemComponent
*/
get: function () {
var candidates = this.element.getElementsByClassName('igx-list__item-content');
return (candidates && candidates.length > 0) ? candidates[0] : null;
},
enumerable: true,
configurable: true
});
Object.defineProperty(IgxListItemComponent.prototype, "context", {
/**
* Returns the `context` object which represents the `template context` binding into the `list item container`
* by providing the `$implicit` declaration which is the `IgxListItemComponent` itself.
* ```typescript
* let listItemComponent = this.listItem.context;
* ```
*/
get: function () {
return {
$implicit: this
};
},
enumerable: true,
configurable: true
});
Object.defineProperty(IgxListItemComponent.prototype, "width", {
/**
* Gets the width of a `list item`.
* ```typescript
* let itemWidth = this.listItem.width;
* ```
* @memberof IgxListItemComponent
*/
get: function () {
if (this.element) {
return this.element.offsetWidth;
}
},
enumerable: true,
configurable: true
});
Object.defineProperty(IgxListItemComponent.prototype, "maxLeft", {
/**
* Gets the maximum left position of the `list item`.
* ```typescript
* let maxLeft = this.listItem.maxLeft;
* ```
* @memberof IgxListItemComponent
*/
get: function () {
return -this.width;
},
enumerable: true,
configurable: true
});
Object.defineProperty(IgxListItemComponent.prototype, "maxRight", {
/**
* Gets the maximum right position of the `list item`.
* ```typescript
* let maxRight = this.listItem.maxRight;
* ```
* @memberof IgxListItemComponent
*/
get: function () {
return this.width;
},
enumerable: true,
configurable: true
});
/**
*@hidden
*/
IgxListItemComponent.prototype.setContentElementLeft = function (value) {
this.panOffset = value;
this.contentElement.style.transform = 'translateX(' + value + 'px)';
};
/**
*@hidden
*/
IgxListItemComponent.prototype.isTrue = function (value) {
if (typeof (value) === 'boolean') {
return value;
}
else {
return value === 'true';
}
};
IgxListItemComponent.ctorParameters = function () { return [
{ type: IgxListBaseDirective },
{ type: ElementRef },
{ type: Renderer2 }
]; };
__decorate([
ViewChild('leftPanningTmpl'),
__metadata("design:type", Object)
], IgxListItemComponent.prototype, "leftPanningTemplateElement", void 0);
__decorate([
ViewChild('rightPanningTmpl'),
__metadata("design:type", Object)
], IgxListItemComponent.prototype, "rightPanningTemplateElement", void 0);
__decorate([
Input(),
__metadata("design:type", Boolean)
], IgxListItemComponent.prototype, "isHeader", void 0);
__decorate([
Input(),
__metadata("design:type", Object)
], IgxListItemComponent.prototype, "hidden", void 0);
__decorate([
HostBinding('attr.role'),
__metadata("design:type", Object),
__metadata("design:paramtypes", [])
], IgxListItemComponent.prototype, "role", null);
__decorate([
HostBinding('attr.aria-label'),
__metadata("design:type", String)
], IgxListItemComponent.prototype, "ariaLabel", void 0);
__decorate([
HostBinding('style.touch-action'),
__metadata("design:type", Object)
], IgxListItemComponent.prototype, "touchAction", void 0);
__decorate([
HostBinding('class.igx-list__header'),
__metadata("design:type", Boolean),
__metadata("design:paramtypes", [])
], IgxListItemComponent.prototype, "headerStyle", null);
__decorate([
HostBinding('class.igx-list__item-base'),
__metadata("design:type", Boolean),
__metadata("design:paramtypes", [])
], IgxListItemComponent.prototype, "innerStyle", null);
__decorate([
HostBinding('style.display'),
__metadata("design:type", String),
__metadata("design:paramtypes", [])
], IgxListItemComponent.prototype, "display", null);
__decorate([
HostListener('click', ['$event']),
__metadata("design:type", Function),
__metadata("design:paramtypes", [Object]),
__metadata("design:returntype", void 0)
], IgxListItemComponent.prototype, "clicked", null);
__decorate([
HostListener('panstart', ['$event']),
__metadata("design:type", Function),
__metadata("design:paramtypes", [Object]),
__metadata("design:returntype", void 0)
], IgxListItemComponent.prototype, "panStart", null);
__decorate([
HostListener('panmove', ['$event']),
__metadata("design:type", Function),
__metadata("design:paramtypes", [Object]),
__metadata("design:returntype", void 0)
], IgxListItemComponent.prototype, "panMove", null);
__decorate([
HostListener('panend', ['$event']),
__metadata("design:type", Function),
__metadata("design:paramtypes", [Object]),
__metadata("design:returntype", void 0)
], IgxListItemComponent.prototype, "panEnd", null);
__decorate([
Input(),
__metadata("design:type", Number),
__metadata("design:paramtypes", [Number])
], IgxListItemComponent.prototype, "index", null);
IgxListItemComponent = __decorate([
Component({
providers: [HammerGesturesManager],
selector: 'igx-list-item',
template: " \n<div *ngIf=\"!isHeader && list.listItemLeftPanningTemplate != null\" #leftPanningTmpl class=\"igx-list__item-right\"\n [style.width.px]=\"this.element.offsetWidth\" [style.height.px]=\"this.element.offsetHeight\">\n <ng-container *ngTemplateOutlet=\"list.listItemLeftPanningTemplate.template; context: context\">\n </ng-container>\n</div>\n\n<div *ngIf=\"!isHeader && list.listItemRightPanningTemplate != null\" #rightPanningTmpl class=\"igx-list__item-left\"\n [style.width.px]=\"this.element.offsetWidth\" [style.height.px]=\"this.element.offsetHeight\">\n <ng-container *ngTemplateOutlet=\"list.listItemRightPanningTemplate.template; context: context\">\n </ng-container>\n</div>\n\n<ng-template #itemsContent>\n <ng-content></ng-content>\n</ng-template>\n\n<ng-template #itemThumbnails>\n <div class=\"igx-list__item-thumbnail\">\n <ng-content select=\"[igxListThumbnail], igx-list__item-thumbnail, igx-avatar\"></ng-content>\n </div>\n</ng-template>\n\n<ng-template #itemLines>\n <div class=\"igx-list__item-lines\">\n <ng-content select=\"[igxListLine], .igx-list__item-lines, [igxListLineTitle], [igxListLineSubTitle], .igx-list__item-line-title, .igx-list__item-line-subtitle\"></ng-content>\n </div>\n</ng-template>\n\n<ng-template #itemActions>\n <div class=\"igx-list__item-actions\">\n <ng-content select=\"[igxListAction], .igx-list__item-actions\"></ng-content>\n </div>\n</ng-template>\n\n \n<ng-container *ngIf=\"isHeader\">\n <ng-container *ngTemplateOutlet=\"itemsContent\"></ng-container>\n</ng-container>\n\n<ng-container *ngIf=\"!isHeader\">\n <div class=\"igx-list__item-content\">\n <ng-container *ngTemplateOutlet=\"itemThumbnails\"></ng-container>\n <ng-container *ngTemplateOutlet=\"itemLines\"></ng-container>\n <ng-container *ngTemplateOutlet=\"itemActions\"></ng-container>\n <ng-container *ngTemplateOutlet=\"itemsContent\"></ng-container>\n </div>\n</ng-container>\n",
changeDetection: ChangeDetectionStrategy.OnPush
}),
__metadata("design:paramtypes", [IgxListBaseDirective,
ElementRef,
Renderer2])
], IgxListItemComponent);
return IgxListItemComponent;
}());
export { IgxListItemComponent };
//# 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{\n    ChangeDetectionStrategy,\n    Component,\n    ElementRef,\n    HostBinding,\n    HostListener,\n    Input,\n    Renderer2,\n    ViewChild\n} from '@angular/core';\n\nimport {\n    IgxListPanState,\n    IListChild,\n    IgxListBaseDirective\n} from './list.common';\n\nimport { HammerGesturesManager } from '../core/touch';\n\n/**\n * The Ignite UI List Item component is a container intended for row items in the Ignite UI for Angular List component.\n *\n * Example:\n * ```html\n * <igx-list>\n *   <igx-list-item isHeader=\"true\">Contacts</igx-list-item>\n *   <igx-list-item *ngFor=\"let contact of contacts\">\n *     <span class=\"name\">{{ contact.name }}</span>\n *     <span class=\"phone\">{{ contact.phone }}</span>\n *   </igx-list-item>\n * </igx-list>\n * ```\n */\n@Component({\n    providers: [HammerGesturesManager],\n    selector: 'igx-list-item',\n    templateUrl: 'list-item.component.html',\n    changeDetection: ChangeDetectionStrategy.OnPush\n})\nexport class IgxListItemComponent implements IListChild {\n\n    /**\n     *@hidden\n     */\n    private _panState: IgxListPanState = IgxListPanState.NONE;\n\n    /**\n     *@hidden\n     */\n    private panOffset = 0;\n\n    /**\n     * @hidden\n     */\n    private _index: number = null;\n\n    /**\n     *@hidden\n     */\n    private lastPanDir = IgxListPanState.NONE;\n\n    /**\n     * Provides a reference to the template's base element shown when left panning a list item.\n     * ```typescript\n     * const leftPanTmpl = this.listItem.leftPanningTemplateElement;\n     * ```\n     */\n    @ViewChild('leftPanningTmpl')\n    public leftPanningTemplateElement;\n\n    /**\n     * Provides a reference to the template's base element shown when right panning a list item.\n     * ```typescript\n     * const rightPanTmpl = this.listItem.rightPanningTemplateElement;\n     * ```\n     */\n    @ViewChild('rightPanningTmpl')\n    public rightPanningTemplateElement;\n\n    constructor(\n        public list: IgxListBaseDirective,\n        private elementRef: ElementRef,\n        private _renderer: Renderer2) {\n    }\n\n    /**\n     * Sets/gets whether the `list item` is a header.\n     * ```html\n     * <igx-list-item [isHeader] = \"true\">Header</igx-list-item>\n     * ```\n     * ```typescript\n     * let isHeader =  this.listItem.isHeader;\n     * ```\n     * @memberof IgxListItemComponent\n     */\n    @Input()\n    public isHeader: boolean;\n\n    /**\n     * Sets/gets whether the `list item` is hidden.\n     * By default the `hidden` value is `false`.\n     * ```html\n     * <igx-list-item [hidden] = \"true\">Hidden Item</igx-list-item>\n     * ```\n     * ```typescript\n     * let isHidden =  this.listItem.hidden;\n     * ```\n     * @memberof IgxListItemComponent\n     */\n    @Input()\n    public hidden = false;\n\n    /**\n     * Gets the `role` attribute of the `list item`.\n     * ```typescript\n     * let itemRole =  this.listItem.role;\n     * ```\n     * @memberof IgxListItemComponent\n     */\n    @HostBinding('attr.role')\n    public get role() {\n        return this.isHeader ? 'separator' : 'listitem';\n    }\n\n    /**\n     * Sets/gets the `aria-label` attribute of the `list item`.\n     * ```typescript\n     * this.listItem.ariaLabel = \"Item1\";\n     * ```\n     * ```typescript\n     * let itemAriaLabel = this.listItem.ariaLabel;\n     * ```\n     * @memberof IgxListItemComponent\n     */\n    @HostBinding('attr.aria-label')\n    public ariaLabel: string;\n\n    /**\n     * Gets the `touch-action` style of the `list item`.\n     * ```typescript\n     * let touchAction = this.listItem.touchAction;\n     * ```\n     */\n    @HostBinding('style.touch-action')\n    public touchAction = 'pan-y';\n\n    /**\n     * Indicates whether `list item` should have header style.\n     * ```typescript\n     * let headerStyle =  this.listItem.headerStyle;\n     * ```\n     * @memberof IgxListItemComponent\n     */\n    @HostBinding('class.igx-list__header')\n    get headerStyle(): boolean {\n        return this.isHeader;\n    }\n\n    /**\n     * Applies the inner style of the `list item` if the item is not counted as header.\n     * ```typescript\n     * let innerStyle =  this.listItem.innerStyle;\n     * ```\n     * @memberof IgxListItemComponent\n     */\n    @HostBinding('class.igx-list__item-base')\n    get innerStyle(): boolean {\n        return !this.isHeader;\n    }\n\n    /**\n     * Returns string value which describes the display mode of the `list item`.\n     * ```typescript\n     * let isHidden = this.listItem.display;\n     * ```\n     * @memberof IgxListItemComponent\n     */\n    @HostBinding('style.display')\n    get display(): string {\n        return this.hidden ? 'none' : '';\n    }\n\n    /**\n     *@hidden\n     */\n    @HostListener('click', ['$event'])\n    clicked(evt) {\n        this.list.onItemClicked.emit({ item: this, event: evt, direction: this.lastPanDir });\n        this.lastPanDir = IgxListPanState.NONE;\n    }\n\n    /**\n     *@hidden\n     */\n    @HostListener('panstart', ['$event'])\n    panStart(ev) {\n        if (this.isTrue(this.isHeader)) {\n            return;\n        }\n        if (!this.isTrue(this.list.allowLeftPanning) && !this.isTrue(this.list.allowRightPanning)) {\n            return;\n        }\n    }\n\n    /**\n     *@hidden\n     */\n    @HostListener('panmove', ['$event'])\n    panMove(ev) {\n        if (this.isTrue(this.isHeader)) {\n            return;\n        }\n        if (!this.isTrue(this.list.allowLeftPanning) && !this.isTrue(this.list.allowRightPanning)) {\n            return;\n        }\n        const isPanningToLeft = ev.deltaX < 0;\n        if (isPanningToLeft && this.isTrue(this.list.allowLeftPanning)) {\n            this.showLeftPanTemplate();\n            this.setContentElementLeft(Math.max(this.maxLeft, ev.deltaX));\n        } else if (!isPanningToLeft && this.isTrue(this.list.allowRightPanning)) {\n            this.showRightPanTemplate();\n            this.setContentElementLeft(Math.min(this.maxRight, ev.deltaX));\n        }\n    }\n\n    /**\n     *@hidden\n     */\n    @HostListener('panend', ['$event'])\n    panEnd(ev) {\n        if (this.isTrue(this.isHeader)) {\n            return;\n        }\n        if (!this.isTrue(this.list.allowLeftPanning) && !this.isTrue(this.list.allowRightPanning)) {\n            return;\n        }\n\n        // the translation offset of the current list item content\n        const relativeOffset = this.panOffset;\n        const widthTriggeringGrip = this.width * this.list.panEndTriggeringThreshold;\n\n        if (relativeOffset === 0) {\n            return; // no panning has occured\n        }\n\n        const dir = relativeOffset > 0 ? IgxListPanState.RIGHT : IgxListPanState.LEFT;\n        this.lastPanDir = dir;\n\n        const oldPanState = this._panState;\n        if (Math.abs(relativeOffset) < widthTriggeringGrip) {\n            this.setContentElementLeft(0);\n            this._panState = IgxListPanState.NONE;\n            this.hideLeftAndRightPanTemplates();\n            return;\n        }\n\n        const args = { item: this, direction: dir, keepItem: false};\n\n        if (dir === IgxListPanState.LEFT) {\n            this.list.onLeftPan.emit(args);\n        } else {\n            this.list.onRightPan.emit(args);\n        }\n\n        if (args.keepItem === true) {\n            this.setContentElementLeft(0);\n            this._panState = IgxListPanState.NONE;\n        } else {\n            if (dir === IgxListPanState.LEFT) {\n                this.setContentElementLeft(this.maxLeft);\n                this._panState = IgxListPanState.LEFT;\n            } else {\n                this.setContentElementLeft(this.maxRight);\n                this._panState = IgxListPanState.RIGHT;\n            }\n        }\n\n        if (oldPanState !== this._panState) {\n            const args2 = { oldState: oldPanState, newState: this._panState, item: this };\n            this.list.onPanStateChange.emit(args2);\n        }\n        this.hideLeftAndRightPanTemplates();\n    }\n\n    /**\n     *@hidden\n     */\n    private showLeftPanTemplate() {\n        this.setLeftAndRightTemplatesVisibility('visible', 'hidden');\n    }\n\n    /**\n     *@hidden\n     */\n    private showRightPanTemplate() {\n        this.setLeftAndRightTemplatesVisibility('hidden', 'visible');\n    }\n\n    /**\n     *@hidden\n     */\n    private hideLeftAndRightPanTemplates() {\n        setTimeout(() => {\n            this.setLeftAndRightTemplatesVisibility('hidden', 'hidden');\n        }, 500);\n    }\n\n    /**\n     *@hidden\n     */\n    private setLeftAndRightTemplatesVisibility(leftVisibility, rightVisibility) {\n        if (this.leftPanningTemplateElement && this.leftPanningTemplateElement.nativeElement) {\n            this.leftPanningTemplateElement.nativeElement.style.visibility = leftVisibility;\n        }\n        if (this.rightPanningTemplateElement && this.rightPanningTemplateElement.nativeElement) {\n            this.rightPanningTemplateElement.nativeElement.style.visibility = rightVisibility;\n        }\n    }\n\n    /**\n     * Gets the `panState` of a `list item`.\n     * ```typescript\n     * let itemPanState =  this.listItem.panState;\n     * ```\n     * @memberof IgxListItemComponent\n     */\n    public get panState(): IgxListPanState {\n        return this._panState;\n    }\n\n    /**\n     * Gets the `index` of a `list item`.\n     * ```typescript\n     * let itemIndex =  this.listItem.index;\n     * ```\n     * @memberof IgxListItemComponent\n     */\n    @Input()\n    public get index(): number {\n        return this._index !== null ? this._index : this.list.children.toArray().indexOf(this);\n    }\n\n    /**\n     * Sets the `index` of the `list item`.\n     * ```typescript\n     * this.listItem.index = index;\n     * ```\n     * @memberof IgxListItemComponent\n     */\n    public set index(value: number) {\n        this._index = value;\n    }\n\n    /**\n     * Returns an element reference to the list item.\n     * ```typescript\n     * let listItemElement =  this.listItem.element.\n     * ```\n     * @memberof IgxListItemComponent\n     */\n    public get element() {\n        return this.elementRef.nativeElement;\n    }\n\n    /**\n     * Returns a reference container which contains the list item's content.\n     * ```typescript\n     * let listItemContainer =  this.listItem.contentElement.\n     * ```\n     * @memberof IgxListItemComponent\n     */\n    public get contentElement() {\n        const candidates = this.element.getElementsByClassName('igx-list__item-content');\n        return (candidates && candidates.length > 0) ? candidates[0] : null;\n    }\n\n    /**\n     * Returns the `context` object which represents the `template context` binding into the `list item container`\n     * by providing the `$implicit` declaration which is the `IgxListItemComponent` itself.\n     * ```typescript\n     * let listItemComponent = this.listItem.context;\n     * ```\n     */\n    public get context(): any {\n        return {\n            $implicit: this\n        };\n    }\n\n    /**\n     * Gets the width of a `list item`.\n     * ```typescript\n     * let itemWidth = this.listItem.width;\n     * ```\n     * @memberof IgxListItemComponent\n     */\n    public get width() {\n        if (this.element) {\n            return this.element.offsetWidth;\n        }\n    }\n\n    /**\n     * Gets the maximum left position of the `list item`.\n     * ```typescript\n     * let maxLeft = this.listItem.maxLeft;\n     * ```\n     * @memberof IgxListItemComponent\n     */\n    public get maxLeft() {\n        return -this.width;\n    }\n\n    /**\n     * Gets the maximum right position of the `list item`.\n     * ```typescript\n     * let maxRight = this.listItem.maxRight;\n     * ```\n     * @memberof IgxListItemComponent\n     */\n    public get maxRight() {\n        return this.width;\n    }\n\n    /**\n     *@hidden\n     */\n    private setContentElementLeft(value: number) {\n        this.panOffset = value;\n        this.contentElement.style.transform = 'translateX(' + value + 'px)';\n    }\n\n    /**\n     *@hidden\n     */\n    private isTrue(value: boolean): boolean {\n        if (typeof (value) === 'boolean') {\n            return value;\n        } else {\n            return value === 'true';\n        }\n    }\n}\n"]}