@catull/igniteui-angular
Version:
Ignite UI for Angular is a dependency-free Angular toolkit for building modern web apps
76 lines • 10.9 kB
JavaScript
import { ScrollStrategy } from './scroll-strategy';
/**
* Uses a tolerance and closes the shown component upon scrolling if the tolerance is exceeded
*/
export class CloseScrollStrategy extends ScrollStrategy {
constructor(scrollContainer) {
super(scrollContainer);
this._initialized = false;
this.onScroll = (ev) => {
if (!this._sourceElement) {
return;
}
this.cumulativeScrollTop += this._sourceElement.scrollTop;
this.cumulativeScrollLeft += this._sourceElement.scrollLeft;
if (Math.abs(this.cumulativeScrollTop - this.initialScrollTop) > this._threshold ||
Math.abs(this.cumulativeScrollLeft - this.initialScrollLeft) > this._threshold) {
this._document.removeEventListener('scroll', this.onScroll, true);
this._overlayService.hide(this._id);
}
};
this._scrollContainer = scrollContainer;
this._threshold = 10;
this.cumulativeScrollTop = 0;
this.cumulativeScrollLeft = 0;
}
/** @inheritdoc */
initialize(document, overlayService, id) {
if (this._initialized) {
return;
}
this._overlayService = overlayService;
this._id = id;
this._document = document;
this._initialized = true;
}
/** @inheritdoc */
attach() {
if (this._scrollContainer) {
this._scrollContainer.addEventListener('scroll', this.onScroll);
this._sourceElement = this._scrollContainer;
}
else {
this._document.addEventListener('scroll', this.onScroll);
if (document.documentElement.scrollHeight > document.documentElement.clientHeight) {
this._sourceElement = document.documentElement;
}
else if (document.body.scrollHeight > document.body.clientHeight) {
this._sourceElement = document.body;
}
}
if (!this._sourceElement) {
return;
}
this.cumulativeScrollTop = 0;
this.cumulativeScrollLeft = 0;
this.initialScrollTop = this._sourceElement.scrollTop;
this.initialScrollLeft = this._sourceElement.scrollLeft;
}
/** @inheritdoc */
detach() {
// TODO: check why event listener removes only on first call and remains on each next!!!
if (this._scrollContainer) {
this._scrollContainer.removeEventListener('scroll', this.onScroll);
}
else {
this._document.removeEventListener('scroll', this.onScroll);
}
this._sourceElement = null;
this.cumulativeScrollTop = 0;
this.cumulativeScrollLeft = 0;
this.initialScrollTop = 0;
this.initialScrollLeft = 0;
this._initialized = false;
}
}
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"close-scroll-strategy.js","sourceRoot":"ng://igniteui-angular/","sources":["lib/services/overlay/scroll/close-scroll-strategy.ts"],"names":[],"mappings":"AACA,OAAO,EAAE,cAAc,EAAE,MAAM,mBAAmB,CAAC;AAEnD;;GAEG;AACH,MAAM,OAAO,mBAAoB,SAAQ,cAAc;IAanD,YAAY,eAA6B;QACrC,KAAK,CAAC,eAAe,CAAC,CAAC;QALnB,iBAAY,GAAG,KAAK,CAAC;QA+DrB,aAAQ,GAAG,CAAC,EAAS,EAAE,EAAE;YAC7B,IAAI,CAAC,IAAI,CAAC,cAAc,EAAE;gBACtB,OAAO;aACV;YAED,IAAI,CAAC,mBAAmB,IAAI,IAAI,CAAC,cAAc,CAAC,SAAS,CAAC;YAC1D,IAAI,CAAC,oBAAoB,IAAI,IAAI,CAAC,cAAc,CAAC,UAAU,CAAC;YAE5D,IAAI,IAAI,CAAC,GAAG,CAAC,IAAI,CAAC,mBAAmB,GAAG,IAAI,CAAC,gBAAgB,CAAC,GAAG,IAAI,CAAC,UAAU;gBAC5E,IAAI,CAAC,GAAG,CAAC,IAAI,CAAC,oBAAoB,GAAG,IAAI,CAAC,iBAAiB,CAAC,GAAG,IAAI,CAAC,UAAU,EAAE;gBAChF,IAAI,CAAC,SAAS,CAAC,mBAAmB,CAAC,QAAQ,EAAE,IAAI,CAAC,QAAQ,EAAE,IAAI,CAAC,CAAC;gBAClE,IAAI,CAAC,eAAe,CAAC,IAAI,CAAC,IAAI,CAAC,GAAG,CAAC,CAAC;aACvC;QACL,CAAC,CAAA;QAtEG,IAAI,CAAC,gBAAgB,GAAG,eAAe,CAAC;QACxC,IAAI,CAAC,UAAU,GAAG,EAAE,CAAC;QACrB,IAAI,CAAC,mBAAmB,GAAG,CAAC,CAAC;QAC7B,IAAI,CAAC,oBAAoB,GAAG,CAAC,CAAC;IAClC,CAAC;IAED,kBAAkB;IACX,UAAU,CAAC,QAAkB,EAAE,cAAiC,EAAE,EAAU;QAC/E,IAAI,IAAI,CAAC,YAAY,EAAE;YACnB,OAAO;SACV;QACD,IAAI,CAAC,eAAe,GAAG,cAAc,CAAC;QACtC,IAAI,CAAC,GAAG,GAAG,EAAE,CAAC;QACd,IAAI,CAAC,SAAS,GAAG,QAAQ,CAAC;QAC1B,IAAI,CAAC,YAAY,GAAG,IAAI,CAAC;IAC7B,CAAC;IAED,kBAAkB;IACX,MAAM;QACT,IAAI,IAAI,CAAC,gBAAgB,EAAE;YACvB,IAAI,CAAC,gBAAgB,CAAC,gBAAgB,CAAC,QAAQ,EAAE,IAAI,CAAC,QAAQ,CAAC,CAAC;YAChE,IAAI,CAAC,cAAc,GAAG,IAAI,CAAC,gBAAgB,CAAC;SAC/C;aAAM;YACH,IAAI,CAAC,SAAS,CAAC,gBAAgB,CAAC,QAAQ,EAAE,IAAI,CAAC,QAAQ,CAAC,CAAC;YACzD,IAAI,QAAQ,CAAC,eAAe,CAAC,YAAY,GAAG,QAAQ,CAAC,eAAe,CAAC,YAAY,EAAE;gBAC/E,IAAI,CAAC,cAAc,GAAG,QAAQ,CAAC,eAA0B,CAAC;aAC7D;iBAAM,IAAI,QAAQ,CAAC,IAAI,CAAC,YAAY,GAAG,QAAQ,CAAC,IAAI,CAAC,YAAY,EAAE;gBAChE,IAAI,CAAC,cAAc,GAAG,QAAQ,CAAC,IAAe,CAAC;aAClD;SACJ;QAED,IAAI,CAAC,IAAI,CAAC,cAAc,EAAE;YACtB,OAAO;SACV;QAED,IAAI,CAAC,mBAAmB,GAAG,CAAC,CAAC;QAC7B,IAAI,CAAC,oBAAoB,GAAG,CAAC,CAAC;QAC9B,IAAI,CAAC,gBAAgB,GAAG,IAAI,CAAC,cAAc,CAAC,SAAS,CAAC;QACtD,IAAI,CAAC,iBAAiB,GAAG,IAAI,CAAC,cAAc,CAAC,UAAU,CAAC;IAC5D,CAAC;IAED,kBAAkB;IACX,MAAM;QACT,wFAAwF;QACxF,IAAI,IAAI,CAAC,gBAAgB,EAAE;YACvB,IAAI,CAAC,gBAAgB,CAAC,mBAAmB,CAAC,QAAQ,EAAE,IAAI,CAAC,QAAQ,CAAC,CAAC;SACtE;aAAM;YACH,IAAI,CAAC,SAAS,CAAC,mBAAmB,CAAC,QAAQ,EAAE,IAAI,CAAC,QAAQ,CAAC,CAAC;SAC/D;QACD,IAAI,CAAC,cAAc,GAAG,IAAI,CAAC;QAC3B,IAAI,CAAC,mBAAmB,GAAG,CAAC,CAAC;QAC7B,IAAI,CAAC,oBAAoB,GAAG,CAAC,CAAC;QAC9B,IAAI,CAAC,gBAAgB,GAAG,CAAC,CAAC;QAC1B,IAAI,CAAC,iBAAiB,GAAG,CAAC,CAAC;QAC3B,IAAI,CAAC,YAAY,GAAG,KAAK,CAAC;IAC9B,CAAC;CAgBJ","sourcesContent":["import { IgxOverlayService } from '../overlay';\nimport { ScrollStrategy } from './scroll-strategy';\n\n/**\n * Uses a tolerance and closes the shown component upon scrolling if the tolerance is exceeded\n */\nexport class CloseScrollStrategy extends ScrollStrategy {\n    private _document: Document;\n    private _overlayService: IgxOverlayService;\n    private _id: string;\n    private initialScrollTop: number;\n    private initialScrollLeft: number;\n    private cumulativeScrollTop: number;\n    private cumulativeScrollLeft: number;\n    private _threshold: number;\n    private _initialized = false;\n    private _sourceElement: Element;\n    private _scrollContainer: HTMLElement;\n\n    constructor(scrollContainer?: HTMLElement) {\n        super(scrollContainer);\n        this._scrollContainer = scrollContainer;\n        this._threshold = 10;\n        this.cumulativeScrollTop = 0;\n        this.cumulativeScrollLeft = 0;\n    }\n\n    /** @inheritdoc */\n    public initialize(document: Document, overlayService: IgxOverlayService, id: string) {\n        if (this._initialized) {\n            return;\n        }\n        this._overlayService = overlayService;\n        this._id = id;\n        this._document = document;\n        this._initialized = true;\n    }\n\n    /** @inheritdoc */\n    public attach(): void {\n        if (this._scrollContainer) {\n            this._scrollContainer.addEventListener('scroll', this.onScroll);\n            this._sourceElement = this._scrollContainer;\n        } else {\n            this._document.addEventListener('scroll', this.onScroll);\n            if (document.documentElement.scrollHeight > document.documentElement.clientHeight) {\n                this._sourceElement = document.documentElement as Element;\n            } else if (document.body.scrollHeight > document.body.clientHeight) {\n                this._sourceElement = document.body as Element;\n            }\n        }\n\n        if (!this._sourceElement) {\n            return;\n        }\n\n        this.cumulativeScrollTop = 0;\n        this.cumulativeScrollLeft = 0;\n        this.initialScrollTop = this._sourceElement.scrollTop;\n        this.initialScrollLeft = this._sourceElement.scrollLeft;\n    }\n\n    /** @inheritdoc */\n    public detach(): void {\n        // TODO: check why event listener removes only on first call and remains on each next!!!\n        if (this._scrollContainer) {\n            this._scrollContainer.removeEventListener('scroll', this.onScroll);\n        } else {\n            this._document.removeEventListener('scroll', this.onScroll);\n        }\n        this._sourceElement = null;\n        this.cumulativeScrollTop = 0;\n        this.cumulativeScrollLeft = 0;\n        this.initialScrollTop = 0;\n        this.initialScrollLeft = 0;\n        this._initialized = false;\n    }\n\n    private onScroll = (ev: Event) => {\n        if (!this._sourceElement) {\n            return;\n        }\n\n        this.cumulativeScrollTop += this._sourceElement.scrollTop;\n        this.cumulativeScrollLeft += this._sourceElement.scrollLeft;\n\n        if (Math.abs(this.cumulativeScrollTop - this.initialScrollTop) > this._threshold ||\n            Math.abs(this.cumulativeScrollLeft - this.initialScrollLeft) > this._threshold) {\n            this._document.removeEventListener('scroll', this.onScroll, true);\n            this._overlayService.hide(this._id);\n        }\n    }\n}\n"]}