examples/7guis/cells/src/Spreadsheet.h

Note

This Source File belongs to 7GUIs Cells Example. Please follow the link for example explanation.

/*
 * AUI Framework - Declarative UI toolkit for modern C++20
 * Copyright (C) 2020-2025 Alex2772 and Contributors
 *
 * SPDX-License-Identifier: MPL-2.0
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */
 
#pragma once
 
#include "Cell.h"
#include "AUI/Common/AVector.h"
#include "AUI/Common/AException.h"
 
class Spreadsheet {
public:
   explicit Spreadsheet(glm::uvec2 size) : mSize(size) {
       mCells.resize(size.x * size.y);
       for (auto& v : mCells) {
           v = std::make_unique<Cell>();
           v->spreadsheet = this;
       }
   }
 
   Cell& operator[](glm::uvec2 pos) { return *mCells[pos.y * mSize.x + pos.x]; }
 
   const Cell& operator[](glm::uvec2 pos) const {
       if (glm::any(glm::greaterThanEqual(pos, mSize))) {
           throw AException("OUTOFBOUNDS");
       }
       return *mCells[pos.y * mSize.x + pos.x];
   }
 
   auto operator[](formula::Range range) const {
       if (range.from.x == Cell::UNDEFINED) {
           range.from.x = 0;
           if (range.to.x != Cell::UNDEFINED) {
               throw AException("BADRANGE");
           }
           range.to.x = mSize.x - 1;
       }
       if (range.from.y == Cell::UNDEFINED) {
           range.from.y = 0;
           if (range.to.y != Cell::UNDEFINED) {
               throw AException("BADRANGE");
           }
           range.to.y = mSize.y - 1;
       }
       if (range.to.x == Cell::UNDEFINED || range.to.y == Cell::UNDEFINED) {
           throw AException("BADRANGE");
       }
       range = { .from = glm::min(range.from, range.to), .to = glm::max(range.from, range.to) };
 
       struct RangeIterator {
           const Spreadsheet* spreadsheet;
           formula::Range range;
           glm::uvec2 current;
 
           RangeIterator operator++() {
               current.x += 1;
               if (current.x <= range.to.x) {
                   return *this;
               }
               current.x = range.from.x;
               current.y += 1;
               if (current.y <= range.to.y) {
                   return *this;
               }
               current = { Cell::UNDEFINED, Cell::UNDEFINED };
               return *this;
           }
 
           const Cell& operator*() const {
               return (*spreadsheet)[current];
           }
 
           bool operator==(const RangeIterator&) const = default;
           bool operator!=(const RangeIterator&) const = default;
       };
       return aui::range(
           RangeIterator { .spreadsheet = this, .range = range, .current = range.from },
           RangeIterator { .spreadsheet = this, .range = range, .current = { Cell::UNDEFINED, Cell::UNDEFINED } });
   }
 
   glm::uvec2 size() const { return mSize; }
 
private:
   glm::uvec2 mSize;
   AVector<_unique<Cell>> mCells;
};

© 2025 AUI Framework Contributors. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. All trademarks are property of their respective owners.