matrix-react-sdk
Version:
SDK for matrix.org using React
107 lines (98 loc) • 11.1 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
/*
Copyright 2024 New Vector Ltd.
Copyright 2018-2020 The Matrix.org Foundation C.I.C.
SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
Please see LICENSE files in the repository root for full details.
*/
/**
implements DOM/CSS operations for resizing.
The sizer determines what CSS mechanism is used for sizing items, like flexbox, ...
*/
class Sizer {
constructor(container, vertical, reverse) {
this.container = container;
this.vertical = vertical;
this.reverse = reverse;
}
/**
@param {Element} item the dom element being resized
@return {number} how far the edge of the item is from the edge of the container
*/
getItemOffset(item) {
const offset = (this.vertical ? item.offsetTop : item.offsetLeft) - this.getOffset();
if (this.reverse) {
return this.getTotalSize() - (offset + this.getItemSize(item));
} else {
return offset;
}
}
/**
@param {Element} item the dom element being resized
@return {number} the width/height of an item in the container
*/
getItemSize(item) {
return this.vertical ? item.offsetHeight : item.offsetWidth;
}
/** @return {number} the width/height of the container */
getTotalSize() {
return this.vertical ? this.container.offsetHeight : this.container.offsetWidth;
}
/** @return {number} container offset to offsetParent */
getOffset() {
return this.vertical ? this.container.offsetTop : this.container.offsetLeft;
}
/** @return {number} container offset to document */
getPageOffset() {
let element = this.container;
let offset = 0;
while (element) {
const pos = this.vertical ? element.offsetTop : element.offsetLeft;
offset = offset + pos;
element = element.offsetParent;
}
return offset;
}
getDesiredItemSize(item) {
if (this.vertical) {
return item.style.height;
} else {
return item.style.width;
}
}
setItemSize(item, size) {
if (this.vertical) {
item.style.height = size;
} else {
item.style.width = size;
}
}
clearItemSize(item) {
if (this.vertical) {
item.style.removeProperty("height");
} else {
item.style.removeProperty("width");
}
}
start(item) {}
finish(item) {}
/**
@param {MouseEvent} event the mouse event
@return {number} the distance between the cursor and the edge of the container,
along the applicable axis (vertical or horizontal)
*/
offsetFromEvent(event) {
const pos = this.vertical ? event.pageY : event.pageX;
if (this.reverse) {
return this.getPageOffset() + this.getTotalSize() - pos;
} else {
return pos - this.getPageOffset();
}
}
}
exports.default = Sizer;
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item.offsetTop : item.offsetLeft) - this.getOffset();\n        if (this.reverse) {\n            return this.getTotalSize() - (offset + this.getItemSize(item));\n        } else {\n            return offset;\n        }\n    }\n\n    /**\n        @param {Element} item the dom element being resized\n        @return {number} the width/height of an item in the container\n    */\n    public getItemSize(item: HTMLElement): number {\n        return this.vertical ? item.offsetHeight : item.offsetWidth;\n    }\n\n    /** @return {number} the width/height of the container */\n    public getTotalSize(): number {\n        return this.vertical ? this.container.offsetHeight : this.container.offsetWidth;\n    }\n\n    /** @return {number} container offset to offsetParent */\n    private getOffset(): number {\n        return this.vertical ? this.container.offsetTop : this.container.offsetLeft;\n    }\n\n    /** @return {number} container offset to document */\n    private getPageOffset(): number {\n        let element = this.container;\n        let offset = 0;\n        while (element) {\n            const pos = this.vertical ? element.offsetTop : element.offsetLeft;\n            offset = offset + pos;\n            element = <HTMLElement>element.offsetParent;\n        }\n        return offset;\n    }\n\n    public getDesiredItemSize(item: HTMLElement): string {\n        if (this.vertical) {\n            return item.style.height;\n        } else {\n            return item.style.width;\n        }\n    }\n\n    public setItemSize(item: HTMLElement, size: string): void {\n        if (this.vertical) {\n            item.style.height = size;\n        } else {\n            item.style.width = size;\n        }\n    }\n\n    public clearItemSize(item: HTMLElement): void {\n        if (this.vertical) {\n            item.style.removeProperty(\"height\");\n        } else {\n            item.style.removeProperty(\"width\");\n        }\n    }\n\n    public start(item: HTMLElement): void {}\n\n    public finish(item: HTMLElement): void {}\n\n    /**\n        @param {MouseEvent} event the mouse event\n        @return {number} the distance between the cursor and the edge of the container,\n            along the applicable axis (vertical or horizontal)\n    */\n    public offsetFromEvent(event: MouseEvent): number {\n        const pos = this.vertical ? event.pageY : event.pageX;\n        if (this.reverse) {\n            return this.getPageOffset() + this.getTotalSize() - pos;\n        } else {\n            return pos - this.getPageOffset();\n        }\n    }\n}\n"],"mappings":";;;;;;AAAA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;AACe,MAAMA,KAAK,CAAC;EAChBC,WAAWA,CACKC,SAAsB,EACtBC,QAAiB,EACjBC,OAAgB,EACrC;IAAA,KAHqBF,SAAsB,GAAtBA,SAAsB;IAAA,KACtBC,QAAiB,GAAjBA,QAAiB;IAAA,KACjBC,OAAgB,GAAhBA,OAAgB;EACpC;;EAEH;AACJ;AACA;AACA;EACWC,aAAaA,CAACC,IAAiB,EAAU;IAC5C,MAAMC,MAAM,GAAG,CAAC,IAAI,CAACJ,QAAQ,GAAGG,IAAI,CAACE,SAAS,GAAGF,IAAI,CAACG,UAAU,IAAI,IAAI,CAACC,SAAS,CAAC,CAAC;IACpF,IAAI,IAAI,CAACN,OAAO,EAAE;MACd,OAAO,IAAI,CAACO,YAAY,CAAC,CAAC,IAAIJ,MAAM,GAAG,IAAI,CAACK,WAAW,CAACN,IAAI,CAAC,CAAC;IAClE,CAAC,MAAM;MACH,OAAOC,MAAM;IACjB;EACJ;;EAEA;AACJ;AACA;AACA;EACWK,WAAWA,CAACN,IAAiB,EAAU;IAC1C,OAAO,IAAI,CAACH,QAAQ,GAAGG,IAAI,CAACO,YAAY,GAAGP,IAAI,CAACQ,WAAW;EAC/D;;EAEA;EACOH,YAAYA,CAAA,EAAW;IAC1B,OAAO,IAAI,CAACR,QAAQ,GAAG,IAAI,CAACD,SAAS,CAACW,YAAY,GAAG,IAAI,CAACX,SAAS,CAACY,WAAW;EACnF;;EAEA;EACQJ,SAASA,CAAA,EAAW;IACxB,OAAO,IAAI,CAACP,QAAQ,GAAG,IAAI,CAACD,SAAS,CAACM,SAAS,GAAG,IAAI,CAACN,SAAS,CAACO,UAAU;EAC/E;;EAEA;EACQM,aAAaA,CAAA,EAAW;IAC5B,IAAIC,OAAO,GAAG,IAAI,CAACd,SAAS;IAC5B,IAAIK,MAAM,GAAG,CAAC;IACd,OAAOS,OAAO,EAAE;MACZ,MAAMC,GAAG,GAAG,IAAI,CAACd,QAAQ,GAAGa,OAAO,CAACR,SAAS,GAAGQ,OAAO,CAACP,UAAU;MAClEF,MAAM,GAAGA,MAAM,GAAGU,GAAG;MACrBD,OAAO,GAAgBA,OAAO,CAACE,YAAY;IAC/C;IACA,OAAOX,MAAM;EACjB;EAEOY,kBAAkBA,CAACb,IAAiB,EAAU;IACjD,IAAI,IAAI,CAACH,QAAQ,EAAE;MACf,OAAOG,IAAI,CAACc,KAAK,CAACC,MAAM;IAC5B,CAAC,MAAM;MACH,OAAOf,IAAI,CAACc,KAAK,CAACE,KAAK;IAC3B;EACJ;EAEOC,WAAWA,CAACjB,IAAiB,EAAEkB,IAAY,EAAQ;IACtD,IAAI,IAAI,CAACrB,QAAQ,EAAE;MACfG,IAAI,CAACc,KAAK,CAACC,MAAM,GAAGG,IAAI;IAC5B,CAAC,MAAM;MACHlB,IAAI,CAACc,KAAK,CAACE,KAAK,GAAGE,IAAI;IAC3B;EACJ;EAEOC,aAAaA,CAACnB,IAAiB,EAAQ;IAC1C,IAAI,IAAI,CAACH,QAAQ,EAAE;MACfG,IAAI,CAACc,KAAK,CAACM,cAAc,CAAC,QAAQ,CAAC;IACvC,CAAC,MAAM;MACHpB,IAAI,CAACc,KAAK,CAACM,cAAc,CAAC,OAAO,CAAC;IACtC;EACJ;EAEOC,KAAKA,CAACrB,IAAiB,EAAQ,CAAC;EAEhCsB,MAAMA,CAACtB,IAAiB,EAAQ,CAAC;;EAExC;AACJ;AACA;AACA;AACA;EACWuB,eAAeA,CAACC,KAAiB,EAAU;IAC9C,MAAMb,GAAG,GAAG,IAAI,CAACd,QAAQ,GAAG2B,KAAK,CAACC,KAAK,GAAGD,KAAK,CAACE,KAAK;IACrD,IAAI,IAAI,CAAC5B,OAAO,EAAE;MACd,OAAO,IAAI,CAACW,aAAa,CAAC,CAAC,GAAG,IAAI,CAACJ,YAAY,CAAC,CAAC,GAAGM,GAAG;IAC3D,CAAC,MAAM;MACH,OAAOA,GAAG,GAAG,IAAI,CAACF,aAAa,CAAC,CAAC;IACrC;EACJ;AACJ;AAACkB,OAAA,CAAAC,OAAA,GAAAlC,KAAA","ignoreList":[]}