matrix-react-sdk/lib/components/views/elements/TruncatedList.js

SDK for matrix.org using React

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));

var _react = _interopRequireDefault(require("react"));

var _propTypes = _interopRequireDefault(require("prop-types"));

var _languageHandler = require("../../../languageHandler");

var _replaceableComponent = require("../../../utils/replaceableComponent");

var _dec, _class, _class2, _temp;

let TruncatedList = (_dec = (0, _replaceableComponent.replaceableComponent)("views.elements.TruncatedList"), _dec(_class = (_temp = _class2 = class TruncatedList extends _react.default.Component {
  _getChildren(start, end) {
    if (this.props.getChildren && this.props.getChildCount) {
      return this.props.getChildren(start, end);
    } else {
      // XXX: I'm not sure why anything would pass null into this, it seems
      // like a bizzare case to handle, but I'm preserving the behaviour.
      // (see commit 38d5c7d5c5d5a34dc16ef5d46278315f5c57f542)
      return _react.default.Children.toArray(this.props.children).filter(c => {
        return c != null;
      }).slice(start, end);
    }
  }

  _getChildCount() {
    if (this.props.getChildren && this.props.getChildCount) {
      return this.props.getChildCount();
    } else {
      return _react.default.Children.toArray(this.props.children).filter(c => {
        return c != null;
      }).length;
    }
  }

  render() {
    let overflowNode = null;

    const totalChildren = this._getChildCount();

    let upperBound = totalChildren;

    if (this.props.truncateAt >= 0) {
      const overflowCount = totalChildren - this.props.truncateAt;

      if (overflowCount > 1) {
        overflowNode = this.props.createOverflowElement(overflowCount, totalChildren);
        upperBound = this.props.truncateAt;
      }
    }

    const childNodes = this._getChildren(0, upperBound);

    return /*#__PURE__*/_react.default.createElement("div", {
      className: this.props.className
    }, childNodes, overflowNode);
  }

}, (0, _defineProperty2.default)(_class2, "propTypes", {
  // The number of elements to show before truncating. If negative, no truncation is done.
  truncateAt: _propTypes.default.number,
  // The className to apply to the wrapping div
  className: _propTypes.default.string,
  // A function that returns the children to be rendered into the element.
  // function getChildren(start: number, end: number): Array<React.Node>
  // The start element is included, the end is not (as in `slice`).
  // If omitted, the React child elements will be used. This parameter can be used
  // to avoid creating unnecessary React elements.
  getChildren: _propTypes.default.func,
  // A function that should return the total number of child element available.
  // Required if getChildren is supplied.
  getChildCount: _propTypes.default.func,
  // A function which will be invoked when an overflow element is required.
  // This will be inserted after the children.
  createOverflowElement: _propTypes.default.func
}), (0, _defineProperty2.default)(_class2, "defaultProps", {
  truncateAt: 2,

  createOverflowElement(overflowCount, totalCount) {
    return /*#__PURE__*/_react.default.createElement("div", null, (0, _languageHandler._t)("And %(count)s more...", {
      count: overflowCount
    }));
  }

}), _temp)) || _class);
exports.default = TruncatedList;
//# sourceMappingURL=data:application/json;charset=utf-8;base64,{"version":3,"sources":["../../../../src/components/views/elements/TruncatedList.js"],"names":["TruncatedList","React","Component","_getChildren","start","end","props","getChildren","getChildCount","Children","toArray","children","filter","c","slice","_getChildCount","length","render","overflowNode","totalChildren","upperBound","truncateAt","overflowCount","createOverflowElement","childNodes","className","PropTypes","number","string","func","totalCount","count"],"mappings":";;;;;;;;;;;AAiBA;;AACA;;AACA;;AACA;;;;IAGqBA,a,WADpB,gDAAqB,8BAArB,C,mCAAD,MACqBA,aADrB,SAC2CC,eAAMC,SADjD,CAC2D;AA6BvDC,EAAAA,YAAY,CAACC,KAAD,EAAQC,GAAR,EAAa;AACrB,QAAI,KAAKC,KAAL,CAAWC,WAAX,IAA0B,KAAKD,KAAL,CAAWE,aAAzC,EAAwD;AACpD,aAAO,KAAKF,KAAL,CAAWC,WAAX,CAAuBH,KAAvB,EAA8BC,GAA9B,CAAP;AACH,KAFD,MAEO;AACH;AACA;AACA;AACA,aAAOJ,eAAMQ,QAAN,CAAeC,OAAf,CAAuB,KAAKJ,KAAL,CAAWK,QAAlC,EAA4CC,MAA5C,CAAoDC,CAAD,IAAO;AAC7D,eAAOA,CAAC,IAAI,IAAZ;AACH,OAFM,EAEJC,KAFI,CAEEV,KAFF,EAESC,GAFT,CAAP;AAGH;AACJ;;AAEDU,EAAAA,cAAc,GAAG;AACb,QAAI,KAAKT,KAAL,CAAWC,WAAX,IAA0B,KAAKD,KAAL,CAAWE,aAAzC,EAAwD;AACpD,aAAO,KAAKF,KAAL,CAAWE,aAAX,EAAP;AACH,KAFD,MAEO;AACH,aAAOP,eAAMQ,QAAN,CAAeC,OAAf,CAAuB,KAAKJ,KAAL,CAAWK,QAAlC,EAA4CC,MAA5C,CAAoDC,CAAD,IAAO;AAC7D,eAAOA,CAAC,IAAI,IAAZ;AACH,OAFM,EAEJG,MAFH;AAGH;AACJ;;AAEDC,EAAAA,MAAM,GAAG;AACL,QAAIC,YAAY,GAAG,IAAnB;;AAEA,UAAMC,aAAa,GAAG,KAAKJ,cAAL,EAAtB;;AACA,QAAIK,UAAU,GAAGD,aAAjB;;AACA,QAAI,KAAKb,KAAL,CAAWe,UAAX,IAAyB,CAA7B,EAAgC;AAC5B,YAAMC,aAAa,GAAGH,aAAa,GAAG,KAAKb,KAAL,CAAWe,UAAjD;;AACA,UAAIC,aAAa,GAAG,CAApB,EAAuB;AACnBJ,QAAAA,YAAY,GAAG,KAAKZ,KAAL,CAAWiB,qBAAX,CACXD,aADW,EACIH,aADJ,CAAf;AAGAC,QAAAA,UAAU,GAAG,KAAKd,KAAL,CAAWe,UAAxB;AACH;AACJ;;AACD,UAAMG,UAAU,GAAG,KAAKrB,YAAL,CAAkB,CAAlB,EAAqBiB,UAArB,CAAnB;;AAEA,wBACI;AAAK,MAAA,SAAS,EAAE,KAAKd,KAAL,CAAWmB;AAA3B,OACMD,UADN,EAEMN,YAFN,CADJ;AAMH;;AA1EsD,C,sDACpC;AACf;AACAG,EAAAA,UAAU,EAAEK,mBAAUC,MAFP;AAGf;AACAF,EAAAA,SAAS,EAAEC,mBAAUE,MAJN;AAKf;AACA;AACA;AACA;AACA;AACArB,EAAAA,WAAW,EAAEmB,mBAAUG,IAVR;AAWf;AACA;AACArB,EAAAA,aAAa,EAAEkB,mBAAUG,IAbV;AAcf;AACA;AACAN,EAAAA,qBAAqB,EAAEG,mBAAUG;AAhBlB,C,0DAmBE;AACjBR,EAAAA,UAAU,EAAE,CADK;;AAEjBE,EAAAA,qBAAqB,CAACD,aAAD,EAAgBQ,UAAhB,EAA4B;AAC7C,wBACI,0CAAO,yBAAG,uBAAH,EAA4B;AAACC,MAAAA,KAAK,EAAET;AAAR,KAA5B,CAAP,CADJ;AAGH;;AANgB,C","sourcesContent":["/*\nCopyright 2016 OpenMarket Ltd\nCopyright 2017 New Vector Ltd\n\nLicensed under the Apache License, Version 2.0 (the \"License\");\nyou may not use this file except in compliance with the License.\nYou may obtain a copy of the License at\n\n    http://www.apache.org/licenses/LICENSE-2.0\n\nUnless required by applicable law or agreed to in writing, software\ndistributed under the License is distributed on an \"AS IS\" BASIS,\nWITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\nSee the License for the specific language governing permissions and\nlimitations under the License.\n*/\n\nimport React from 'react';\nimport PropTypes from 'prop-types';\nimport { _t } from '../../../languageHandler';\nimport {replaceableComponent} from \"../../../utils/replaceableComponent\";\n\n@replaceableComponent(\"views.elements.TruncatedList\")\nexport default class TruncatedList extends React.Component {\n    static propTypes = {\n        // The number of elements to show before truncating. If negative, no truncation is done.\n        truncateAt: PropTypes.number,\n        // The className to apply to the wrapping div\n        className: PropTypes.string,\n        // A function that returns the children to be rendered into the element.\n        // function getChildren(start: number, end: number): Array<React.Node>\n        // The start element is included, the end is not (as in `slice`).\n        // If omitted, the React child elements will be used. This parameter can be used\n        // to avoid creating unnecessary React elements.\n        getChildren: PropTypes.func,\n        // A function that should return the total number of child element available.\n        // Required if getChildren is supplied.\n        getChildCount: PropTypes.func,\n        // A function which will be invoked when an overflow element is required.\n        // This will be inserted after the children.\n        createOverflowElement: PropTypes.func,\n    };\n\n    static defaultProps ={\n        truncateAt: 2,\n        createOverflowElement(overflowCount, totalCount) {\n            return (\n                <div>{ _t(\"And %(count)s more...\", {count: overflowCount}) }</div>\n            );\n        },\n    };\n\n    _getChildren(start, end) {\n        if (this.props.getChildren && this.props.getChildCount) {\n            return this.props.getChildren(start, end);\n        } else {\n            // XXX: I'm not sure why anything would pass null into this, it seems\n            // like a bizzare case to handle, but I'm preserving the behaviour.\n            // (see commit 38d5c7d5c5d5a34dc16ef5d46278315f5c57f542)\n            return React.Children.toArray(this.props.children).filter((c) => {\n                return c != null;\n            }).slice(start, end);\n        }\n    }\n\n    _getChildCount() {\n        if (this.props.getChildren && this.props.getChildCount) {\n            return this.props.getChildCount();\n        } else {\n            return React.Children.toArray(this.props.children).filter((c) => {\n                return c != null;\n            }).length;\n        }\n    }\n\n    render() {\n        let overflowNode = null;\n\n        const totalChildren = this._getChildCount();\n        let upperBound = totalChildren;\n        if (this.props.truncateAt >= 0) {\n            const overflowCount = totalChildren - this.props.truncateAt;\n            if (overflowCount > 1) {\n                overflowNode = this.props.createOverflowElement(\n                    overflowCount, totalChildren,\n                );\n                upperBound = this.props.truncateAt;\n            }\n        }\n        const childNodes = this._getChildren(0, upperBound);\n\n        return (\n            <div className={this.props.className}>\n                { childNodes }\n                { overflowNode }\n            </div>\n        );\n    }\n}\n"]}