@angular/material/fesm2022/_public-api-chunk.mjs.map

Angular Material

{"version":3,"file":"_public-api-chunk.mjs","sources":["../../../../../darwin_arm64-fastbuild-ST-fdfa778d11ba/bin/src/material/grid-list/tile-coordinator.ts","../../../../../darwin_arm64-fastbuild-ST-fdfa778d11ba/bin/src/material/grid-list/public-api.ts"],"sourcesContent":["/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\n/**\n * Interface describing a tile.\n * @docs-private\n */\nexport interface Tile {\n  /** Amount of rows that the tile takes up. */\n  rowspan: number;\n  /** Amount of columns that the tile takes up. */\n  colspan: number;\n}\n\n/**\n * Class for determining, from a list of tiles, the (row, col) position of each of those tiles\n * in the grid. This is necessary (rather than just rendering the tiles in normal document flow)\n * because the tiles can have a rowspan.\n *\n * The positioning algorithm greedily places each tile as soon as it encounters a gap in the grid\n * large enough to accommodate it so that the tiles still render in the same order in which they\n * are given.\n *\n * The basis of the algorithm is the use of an array to track the already placed tiles. Each\n * element of the array corresponds to a column, and the value indicates how many cells in that\n * column are already occupied; zero indicates an empty cell. Moving \"down\" to the next row\n * decrements each value in the tracking array (indicating that the column is one cell closer to\n * being free).\n *\n * @docs-private\n */\nexport class TileCoordinator {\n  /** Tracking array (see class description). */\n  tracker: number[];\n\n  /** Index at which the search for the next gap will start. */\n  columnIndex: number = 0;\n\n  /** The current row index. */\n  rowIndex: number = 0;\n\n  /** Gets the total number of rows occupied by tiles */\n  get rowCount(): number {\n    return this.rowIndex + 1;\n  }\n\n  /**\n   * Gets the total span of rows occupied by tiles.\n   * Ex: A list with 1 row that contains a tile with rowspan 2 will have a total rowspan of 2.\n   */\n  get rowspan() {\n    const lastRowMax = Math.max(...this.tracker);\n    // if any of the tiles has a rowspan that pushes it beyond the total row count,\n    // add the difference to the rowcount\n    return lastRowMax > 1 ? this.rowCount + lastRowMax - 1 : this.rowCount;\n  }\n\n  /** The computed (row, col) position of each tile (the output). */\n  positions: TilePosition[];\n\n  /**\n   * Updates the tile positions.\n   * @param numColumns Amount of columns in the grid.\n   * @param tiles Tiles to be positioned.\n   */\n  update(numColumns: number, tiles: Tile[]) {\n    this.columnIndex = 0;\n    this.rowIndex = 0;\n\n    this.tracker = new Array(numColumns);\n    this.tracker.fill(0, 0, this.tracker.length);\n    this.positions = tiles.map(tile => this._trackTile(tile));\n  }\n\n  /** Calculates the row and col position of a tile. */\n  private _trackTile(tile: Tile): TilePosition {\n    // Find a gap large enough for this tile.\n    const gapStartIndex = this._findMatchingGap(tile.colspan);\n\n    // Place tile in the resulting gap.\n    this._markTilePosition(gapStartIndex, tile);\n\n    // The next time we look for a gap, the search will start at columnIndex, which should be\n    // immediately after the tile that has just been placed.\n    this.columnIndex = gapStartIndex + tile.colspan;\n\n    return new TilePosition(this.rowIndex, gapStartIndex);\n  }\n\n  /** Finds the next available space large enough to fit the tile. */\n  private _findMatchingGap(tileCols: number): number {\n    if (tileCols > this.tracker.length && (typeof ngDevMode === 'undefined' || ngDevMode)) {\n      throw Error(\n        `mat-grid-list: tile with colspan ${tileCols} is wider than ` +\n          `grid with cols=\"${this.tracker.length}\".`,\n      );\n    }\n\n    // Start index is inclusive, end index is exclusive.\n    let gapStartIndex = -1;\n    let gapEndIndex = -1;\n\n    // Look for a gap large enough to fit the given tile. Empty spaces are marked with a zero.\n    do {\n      // If we've reached the end of the row, go to the next row.\n      if (this.columnIndex + tileCols > this.tracker.length) {\n        this._nextRow();\n        gapStartIndex = this.tracker.indexOf(0, this.columnIndex);\n        gapEndIndex = this._findGapEndIndex(gapStartIndex);\n        continue;\n      }\n\n      gapStartIndex = this.tracker.indexOf(0, this.columnIndex);\n\n      // If there are no more empty spaces in this row at all, move on to the next row.\n      if (gapStartIndex == -1) {\n        this._nextRow();\n        gapStartIndex = this.tracker.indexOf(0, this.columnIndex);\n        gapEndIndex = this._findGapEndIndex(gapStartIndex);\n        continue;\n      }\n\n      gapEndIndex = this._findGapEndIndex(gapStartIndex);\n\n      // If a gap large enough isn't found, we want to start looking immediately after the current\n      // gap on the next iteration.\n      this.columnIndex = gapStartIndex + 1;\n\n      // Continue iterating until we find a gap wide enough for this tile. Since gapEndIndex is\n      // exclusive, gapEndIndex is 0 means we didn't find a gap and should continue.\n    } while (gapEndIndex - gapStartIndex < tileCols || gapEndIndex == 0);\n\n    // If we still didn't manage to find a gap, ensure that the index is\n    // at least zero so the tile doesn't get pulled out of the grid.\n    return Math.max(gapStartIndex, 0);\n  }\n\n  /** Move \"down\" to the next row. */\n  private _nextRow(): void {\n    this.columnIndex = 0;\n    this.rowIndex++;\n\n    // Decrement all spaces by one to reflect moving down one row.\n    for (let i = 0; i < this.tracker.length; i++) {\n      this.tracker[i] = Math.max(0, this.tracker[i] - 1);\n    }\n  }\n\n  /**\n   * Finds the end index (exclusive) of a gap given the index from which to start looking.\n   * The gap ends when a non-zero value is found.\n   */\n  private _findGapEndIndex(gapStartIndex: number): number {\n    for (let i = gapStartIndex + 1; i < this.tracker.length; i++) {\n      if (this.tracker[i] != 0) {\n        return i;\n      }\n    }\n\n    // The gap ends with the end of the row.\n    return this.tracker.length;\n  }\n\n  /** Update the tile tracker to account for the given tile in the given space. */\n  private _markTilePosition(start: number, tile: Tile): void {\n    for (let i = 0; i < tile.colspan; i++) {\n      this.tracker[start + i] = tile.rowspan;\n    }\n  }\n}\n\n/**\n * Simple data structure for tile position (row, col).\n * @docs-private\n */\nexport class TilePosition {\n  constructor(\n    public row: number,\n    public col: number,\n  ) {}\n}\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\nimport {TileCoordinator} from './tile-coordinator';\n\nexport * from './grid-list-module';\nexport * from './grid-list';\nexport * from './grid-tile';\n\n// Privately exported for the grid-list harness.\nexport const ɵTileCoordinator = TileCoordinator;\n"],"names":["TileCoordinator","tracker","columnIndex","rowIndex","rowCount","rowspan","lastRowMax","Math","max","positions","update","numColumns","tiles","Array","fill","length","map","tile","_trackTile","gapStartIndex","_findMatchingGap","colspan","_markTilePosition","TilePosition","tileCols","ngDevMode","Error","gapEndIndex","_nextRow","indexOf","_findGapEndIndex","i","start","row","col","constructor","ɵTileCoordinator"],"mappings":"MAoCaA,eAAe,CAAA;EAE1BC,OAAO;AAGPC,EAAAA,WAAW,GAAW,CAAC;AAGvBC,EAAAA,QAAQ,GAAW,CAAC;EAGpB,IAAIC,QAAQA,GAAA;AACV,IAAA,OAAO,IAAI,CAACD,QAAQ,GAAG,CAAC;AAC1B;EAMA,IAAIE,OAAOA,GAAA;IACT,MAAMC,UAAU,GAAGC,IAAI,CAACC,GAAG,CAAC,GAAG,IAAI,CAACP,OAAO,CAAC;AAG5C,IAAA,OAAOK,UAAU,GAAG,CAAC,GAAG,IAAI,CAACF,QAAQ,GAAGE,UAAU,GAAG,CAAC,GAAG,IAAI,CAACF,QAAQ;AACxE;EAGAK,SAAS;AAOTC,EAAAA,MAAMA,CAACC,UAAkB,EAAEC,KAAa,EAAA;IACtC,IAAI,CAACV,WAAW,GAAG,CAAC;IACpB,IAAI,CAACC,QAAQ,GAAG,CAAC;AAEjB,IAAA,IAAI,CAACF,OAAO,GAAG,IAAIY,KAAK,CAACF,UAAU,CAAC;AACpC,IAAA,IAAI,CAACV,OAAO,CAACa,IAAI,CAAC,CAAC,EAAE,CAAC,EAAE,IAAI,CAACb,OAAO,CAACc,MAAM,CAAC;AAC5C,IAAA,IAAI,CAACN,SAAS,GAAGG,KAAK,CAACI,GAAG,CAACC,IAAI,IAAI,IAAI,CAACC,UAAU,CAACD,IAAI,CAAC,CAAC;AAC3D;EAGQC,UAAUA,CAACD,IAAU,EAAA;IAE3B,MAAME,aAAa,GAAG,IAAI,CAACC,gBAAgB,CAACH,IAAI,CAACI,OAAO,CAAC;AAGzD,IAAA,IAAI,CAACC,iBAAiB,CAACH,aAAa,EAAEF,IAAI,CAAC;AAI3C,IAAA,IAAI,CAACf,WAAW,GAAGiB,aAAa,GAAGF,IAAI,CAACI,OAAO;IAE/C,OAAO,IAAIE,YAAY,CAAC,IAAI,CAACpB,QAAQ,EAAEgB,aAAa,CAAC;AACvD;EAGQC,gBAAgBA,CAACI,QAAgB,EAAA;AACvC,IAAA,IAAIA,QAAQ,GAAG,IAAI,CAACvB,OAAO,CAACc,MAAM,KAAK,OAAOU,SAAS,KAAK,WAAW,IAAIA,SAAS,CAAC,EAAE;AACrF,MAAA,MAAMC,KAAK,CACT,CAAoCF,iCAAAA,EAAAA,QAAQ,CAAiB,eAAA,CAAA,GAC3D,CAAmB,gBAAA,EAAA,IAAI,CAACvB,OAAO,CAACc,MAAM,IAAI,CAC7C;AACH;IAGA,IAAII,aAAa,GAAG,CAAC,CAAC;IACtB,IAAIQ,WAAW,GAAG,CAAC,CAAC;IAGpB,GAAG;MAED,IAAI,IAAI,CAACzB,WAAW,GAAGsB,QAAQ,GAAG,IAAI,CAACvB,OAAO,CAACc,MAAM,EAAE;QACrD,IAAI,CAACa,QAAQ,EAAE;AACfT,QAAAA,aAAa,GAAG,IAAI,CAAClB,OAAO,CAAC4B,OAAO,CAAC,CAAC,EAAE,IAAI,CAAC3B,WAAW,CAAC;AACzDyB,QAAAA,WAAW,GAAG,IAAI,CAACG,gBAAgB,CAACX,aAAa,CAAC;AAClD,QAAA;AACF;AAEAA,MAAAA,aAAa,GAAG,IAAI,CAAClB,OAAO,CAAC4B,OAAO,CAAC,CAAC,EAAE,IAAI,CAAC3B,WAAW,CAAC;AAGzD,MAAA,IAAIiB,aAAa,IAAI,CAAC,CAAC,EAAE;QACvB,IAAI,CAACS,QAAQ,EAAE;AACfT,QAAAA,aAAa,GAAG,IAAI,CAAClB,OAAO,CAAC4B,OAAO,CAAC,CAAC,EAAE,IAAI,CAAC3B,WAAW,CAAC;AACzDyB,QAAAA,WAAW,GAAG,IAAI,CAACG,gBAAgB,CAACX,aAAa,CAAC;AAClD,QAAA;AACF;AAEAQ,MAAAA,WAAW,GAAG,IAAI,CAACG,gBAAgB,CAACX,aAAa,CAAC;AAIlD,MAAA,IAAI,CAACjB,WAAW,GAAGiB,aAAa,GAAG,CAAC;KAIrC,QAAQQ,WAAW,GAAGR,aAAa,GAAGK,QAAQ,IAAIG,WAAW,IAAI,CAAC;AAInE,IAAA,OAAOpB,IAAI,CAACC,GAAG,CAACW,aAAa,EAAE,CAAC,CAAC;AACnC;AAGQS,EAAAA,QAAQA,GAAA;IACd,IAAI,CAAC1B,WAAW,GAAG,CAAC;IACpB,IAAI,CAACC,QAAQ,EAAE;AAGf,IAAA,KAAK,IAAI4B,CAAC,GAAG,CAAC,EAAEA,CAAC,GAAG,IAAI,CAAC9B,OAAO,CAACc,MAAM,EAAEgB,CAAC,EAAE,EAAE;MAC5C,IAAI,CAAC9B,OAAO,CAAC8B,CAAC,CAAC,GAAGxB,IAAI,CAACC,GAAG,CAAC,CAAC,EAAE,IAAI,CAACP,OAAO,CAAC8B,CAAC,CAAC,GAAG,CAAC,CAAC;AACpD;AACF;EAMQD,gBAAgBA,CAACX,aAAqB,EAAA;AAC5C,IAAA,KAAK,IAAIY,CAAC,GAAGZ,aAAa,GAAG,CAAC,EAAEY,CAAC,GAAG,IAAI,CAAC9B,OAAO,CAACc,MAAM,EAAEgB,CAAC,EAAE,EAAE;MAC5D,IAAI,IAAI,CAAC9B,OAAO,CAAC8B,CAAC,CAAC,IAAI,CAAC,EAAE;AACxB,QAAA,OAAOA,CAAC;AACV;AACF;AAGA,IAAA,OAAO,IAAI,CAAC9B,OAAO,CAACc,MAAM;AAC5B;AAGQO,EAAAA,iBAAiBA,CAACU,KAAa,EAAEf,IAAU,EAAA;AACjD,IAAA,KAAK,IAAIc,CAAC,GAAG,CAAC,EAAEA,CAAC,GAAGd,IAAI,CAACI,OAAO,EAAEU,CAAC,EAAE,EAAE;MACrC,IAAI,CAAC9B,OAAO,CAAC+B,KAAK,GAAGD,CAAC,CAAC,GAAGd,IAAI,CAACZ,OAAO;AACxC;AACF;AACD;MAMYkB,YAAY,CAAA;EAEdU,GAAA;EACAC,GAAA;AAFTC,EAAAA,WACSA,CAAAF,GAAW,EACXC,GAAW,EAAA;IADX,IAAG,CAAAD,GAAA,GAAHA,GAAG;IACH,IAAG,CAAAC,GAAA,GAAHA,GAAG;AACT;AACJ;;AC3KM,MAAME,gBAAgB,GAAGpC;;;;"}