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All rights reserved.\n * This file is licensed to you under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License. You may obtain a copy\n * of the License at http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software distributed under\n * the License is distributed on an \"AS IS\" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS\n * OF ANY KIND, either express or implied. See the License for the specific language\n * governing permissions and limitations under the License.\n */\n\nimport {calculateColumnSizes, getMaxWidth, getMinWidth} from './TableUtils';\nimport {ColumnSize} from './Column';\nimport {GridNode} from '../grid/GridCollection';\nimport {Key} from '@react-types/shared';\nimport {ITableCollection as TableCollection} from './TableCollection';\n\nexport interface TableColumnLayoutOptions<T> {\n  getDefaultWidth?: (column: GridNode<T>) => ColumnSize | null | undefined;\n  getDefaultMinWidth?: (column: GridNode<T>) => ColumnSize | null | undefined;\n}\n\nexport class TableColumnLayout<T> {\n  getDefaultWidth: (column: GridNode<T>) => ColumnSize | null | undefined;\n  getDefaultMinWidth: (column: GridNode<T>) => ColumnSize | null | undefined;\n  columnWidths: Map<Key, number> = new Map();\n  columnMinWidths: Map<Key, number> = new Map();\n  columnMaxWidths: Map<Key, number> = new Map();\n\n  constructor(options: TableColumnLayoutOptions<T>) {\n    this.getDefaultWidth = options?.getDefaultWidth ?? (() => '1fr');\n    this.getDefaultMinWidth = options?.getDefaultMinWidth ?? (() => 75);\n  }\n\n  /**\n   * Takes an array of columns and splits it into 2 maps of columns with controlled and columns with\n   * uncontrolled widths.\n   */\n  splitColumnsIntoControlledAndUncontrolled(\n    columns: Array<GridNode<T>>\n  ): [Map<Key, GridNode<T>>, Map<Key, GridNode<T>>] {\n    return columns.reduce(\n      (acc, col) => {\n        if (col.props.width != null) {\n          acc[0].set(col.key, col);\n        } else {\n          acc[1].set(col.key, col);\n        }\n        return acc;\n      },\n      [new Map(), new Map()]\n    );\n  }\n\n  /** Takes uncontrolled and controlled widths and joins them into a single Map. */\n  recombineColumns(\n    columns: Array<GridNode<T>>,\n    uncontrolledWidths: Map<Key, ColumnSize>,\n    uncontrolledColumns: Map<Key, GridNode<T>>,\n    controlledColumns: Map<Key, GridNode<T>>\n  ): Map<Key, ColumnSize> {\n    return new Map(\n      columns.map(col => {\n        if (uncontrolledColumns.has(col.key)) {\n          return [col.key, uncontrolledWidths.get(col.key)];\n        } else {\n          return [col.key, controlledColumns.get(col.key)!.props.width];\n        }\n      })\n    );\n  }\n\n  /** Used to make an initial Map of the uncontrolled widths based on default widths. */\n  getInitialUncontrolledWidths(uncontrolledColumns: Map<Key, GridNode<T>>): Map<Key, ColumnSize> {\n    return new Map(\n      Array.from(uncontrolledColumns).map(([key, col]) => [\n        key,\n        col.props.defaultWidth ?? this.getDefaultWidth?.(col) ?? '1fr'\n      ])\n    );\n  }\n\n  getColumnWidth(key: Key): number {\n    return this.columnWidths.get(key) ?? 0;\n  }\n\n  getColumnMinWidth(key: Key): number {\n    return this.columnMinWidths.get(key) ?? 0;\n  }\n\n  getColumnMaxWidth(key: Key): number {\n    return this.columnMaxWidths.get(key) ?? 0;\n  }\n\n  resizeColumnWidth(\n    collection: TableCollection<T>,\n    uncontrolledWidths: Map<Key, ColumnSize>,\n    col: Key,\n    width: number\n  ): Map<Key, ColumnSize> {\n    let prevColumnWidths = this.columnWidths;\n    let freeze = true;\n    let newWidths = new Map<Key, ColumnSize>();\n\n    width = Math.max(\n      this.getColumnMinWidth(col),\n      Math.min(this.getColumnMaxWidth(col), Math.floor(width))\n    );\n\n    collection.columns.forEach(column => {\n      if (column.key === col) {\n        newWidths.set(column.key, width);\n        freeze = false;\n      } else if (freeze) {\n        // freeze columns to the left to their previous pixel value\n        newWidths.set(column.key, prevColumnWidths.get(column.key) ?? 0);\n      } else {\n        newWidths.set(column.key, column.props.width ?? uncontrolledWidths.get(column.key));\n      }\n    });\n\n    return newWidths;\n  }\n\n  buildColumnWidths(\n    tableWidth: number,\n    collection: TableCollection<T>,\n    widths: Map<Key, ColumnSize>\n  ): Map<Key, number> {\n    this.columnWidths = new Map();\n    this.columnMinWidths = new Map();\n    this.columnMaxWidths = new Map();\n\n    // initial layout or table/window resizing\n    let columnWidths = calculateColumnSizes(\n      tableWidth,\n      collection.columns.map(col => ({...col.props, key: col.key})),\n      widths,\n      i => this.getDefaultWidth(collection.columns[i]),\n      i => this.getDefaultMinWidth(collection.columns[i])\n    );\n\n    // columns going in will be the same order as the columns coming out\n    columnWidths.forEach((width, index) => {\n      let key = collection.columns[index].key;\n      let column = collection.columns[index];\n      this.columnWidths.set(key, width);\n      this.columnMinWidths.set(\n        key,\n        getMinWidth(column.props.minWidth ?? this.getDefaultMinWidth(column), tableWidth)\n      );\n      this.columnMaxWidths.set(key, getMaxWidth(column.props.maxWidth, tableWidth));\n    });\n    return this.columnWidths;\n  }\n}\n"],"names":[],"version":3,"file":"TableColumnLayout.mjs.map"}