ladybird/Applications/Spreadsheet/SpreadsheetModel.cpp
2020-08-27 10:27:20 +02:00

121 lines
3.6 KiB
C++

/*
* Copyright (c) 2020, the SerenityOS developers.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "SpreadsheetModel.h"
#include <LibJS/Runtime/Error.h>
#include <LibJS/Runtime/Object.h>
namespace Spreadsheet {
SheetModel::~SheetModel()
{
}
static inline JS::Object* as_error(JS::Value value)
{
if (value.is_object()) {
auto& object = value.as_object();
return object.is_error() ? &object : nullptr;
}
return nullptr;
}
GUI::Variant SheetModel::data(const GUI::ModelIndex& index, GUI::ModelRole role) const
{
if (!index.is_valid())
return {};
if (role == GUI::ModelRole::Display) {
const auto* value = m_sheet->at({ m_sheet->column(index.column()), (size_t)index.row() });
if (!value)
return String::empty();
if (value->kind == Spreadsheet::Cell::Formula) {
if (auto object = as_error(value->evaluated_data)) {
StringBuilder builder;
auto error = object->get("message").to_string_without_side_effects();
builder.append("Error: ");
builder.append(error);
return builder.to_string();
}
return value->evaluated_data.is_empty() ? "" : value->evaluated_data.to_string_without_side_effects();
}
return value->data;
}
if (role == GUI::ModelRole::TextAlignment)
return {};
if (role == GUI::ModelRole::ForegroundColor) {
const auto* value = m_sheet->at({ m_sheet->column(index.column()), (size_t)index.row() });
if (!value)
return {};
if (value->kind == Spreadsheet::Cell::Formula) {
if (as_error(value->evaluated_data))
return Color(Color::Red);
}
return {};
}
return {};
}
String SheetModel::column_name(int index) const
{
if (index < 0)
return {};
return m_sheet->column(index);
}
bool SheetModel::is_editable(const GUI::ModelIndex& index) const
{
if (!index.is_valid())
return false;
return true;
}
void SheetModel::set_data(const GUI::ModelIndex& index, const GUI::Variant& value)
{
if (!index.is_valid())
return;
auto& cell = m_sheet->ensure({ m_sheet->column(index.column()), (size_t)index.row() });
cell.set_data(value.to_string());
update();
}
void SheetModel::update()
{
m_sheet->update();
}
}