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/*
* Copyright (c) 2019-2020, Sergey Bugaev <bugaevc@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "ManualModel.h"
#include "ManualNode.h"
#include "ManualPageNode.h"
#include "ManualSectionNode.h"
#include <AK/Try.h>
static ManualSectionNode s_sections[] = {
{ "1", "User Programs" },
{ "2", "System Calls" },
{ "3", "Library Functions" },
{ "4", "Special Files" },
{ "5", "File Formats" },
{ "6", "Games" },
{ "7", "Miscellanea" },
{ "8", "Sysadmin Tools" }
};
ManualModel::ManualModel()
{
m_section_open_icon.set_bitmap_for_size(16, Gfx::Bitmap::try_load_from_file("/res/icons/16x16/book-open.png").release_value_but_fixme_should_propagate_errors());
m_section_icon.set_bitmap_for_size(16, Gfx::Bitmap::try_load_from_file("/res/icons/16x16/book.png").release_value_but_fixme_should_propagate_errors());
m_page_icon.set_bitmap_for_size(16, Gfx::Bitmap::try_load_from_file("/res/icons/16x16/filetype-unknown.png").release_value_but_fixme_should_propagate_errors());
}
Optional<GUI::ModelIndex> ManualModel::index_from_path(StringView path) const
{
for (int section = 0; section < row_count(); ++section) {
auto parent_index = index(section, 0);
for (int row = 0; row < row_count(parent_index); ++row) {
auto child_index = index(row, 0, parent_index);
auto* node = static_cast<ManualNode const*>(child_index.internal_data());
if (!node->is_page())
continue;
auto* page = static_cast<ManualPageNode const*>(node);
if (page->path() != path)
continue;
return child_index;
}
}
return {};
}
String ManualModel::page_name(const GUI::ModelIndex& index) const
{
if (!index.is_valid())
return {};
auto* node = static_cast<ManualNode const*>(index.internal_data());
if (!node->is_page())
return {};
auto* page = static_cast<ManualPageNode const*>(node);
return page->name();
}
String ManualModel::page_path(const GUI::ModelIndex& index) const
{
if (!index.is_valid())
return {};
auto* node = static_cast<ManualNode const*>(index.internal_data());
if (!node->is_page())
return {};
auto* page = static_cast<ManualPageNode const*>(node);
return page->path();
}
ErrorOr<StringView> ManualModel::page_view(String const& path) const
{
if (path.is_empty())
return StringView {};
{
// Check if we've got it cached already.
auto mapped_file = m_mapped_files.get(path);
if (mapped_file.has_value())
return StringView { mapped_file.value()->bytes() };
}
auto file = TRY(Core::MappedFile::map(path));
StringView view { file->bytes() };
m_mapped_files.set(path, move(file));
return view;
}
String ManualModel::page_and_section(const GUI::ModelIndex& index) const
{
if (!index.is_valid())
return {};
auto* node = static_cast<ManualNode const*>(index.internal_data());
if (!node->is_page())
return {};
auto* page = static_cast<ManualPageNode const*>(node);
auto* section = static_cast<ManualSectionNode const*>(page->parent());
return String::formatted("{}({})", page->name(), section->section_name());
}
GUI::ModelIndex ManualModel::index(int row, int column, const GUI::ModelIndex& parent_index) const
{
if (!parent_index.is_valid())
return create_index(row, column, &s_sections[row]);
auto* parent = static_cast<ManualNode const*>(parent_index.internal_data());
auto* child = &parent->children()[row];
return create_index(row, column, child);
}
GUI::ModelIndex ManualModel::parent_index(const GUI::ModelIndex& index) const
{
if (!index.is_valid())
return {};
auto* child = static_cast<ManualNode const*>(index.internal_data());
auto* parent = child->parent();
if (parent == nullptr)
return {};
if (parent->parent() == nullptr) {
for (size_t row = 0; row < sizeof(s_sections) / sizeof(s_sections[0]); row++)
if (&s_sections[row] == parent)
return create_index(row, 0, parent);
VERIFY_NOT_REACHED();
}
for (size_t row = 0; row < parent->parent()->children().size(); row++) {
ManualNode* child_at_row = &parent->parent()->children()[row];
if (child_at_row == parent)
return create_index(row, 0, parent);
}
VERIFY_NOT_REACHED();
}
int ManualModel::row_count(const GUI::ModelIndex& index) const
{
if (!index.is_valid())
return sizeof(s_sections) / sizeof(s_sections[0]);
auto* node = static_cast<ManualNode const*>(index.internal_data());
return node->children().size();
}
int ManualModel::column_count(const GUI::ModelIndex&) const
{
return 1;
}
GUI::Variant ManualModel::data(const GUI::ModelIndex& index, GUI::ModelRole role) const
{
auto* node = static_cast<ManualNode const*>(index.internal_data());
switch (role) {
case GUI::ModelRole::Search:
if (!node->is_page())
return {};
return String(page_view(page_path(index)).value());
case GUI::ModelRole::Display:
return node->name();
case GUI::ModelRole::Icon:
if (node->is_page())
return m_page_icon;
if (node->is_open())
return m_section_open_icon;
return m_section_icon;
default:
return {};
}
}
void ManualModel::update_section_node_on_toggle(const GUI::ModelIndex& index, bool const open)
{
auto* node = static_cast<ManualSectionNode*>(index.internal_data());
node->set_open(open);
}
TriState ManualModel::data_matches(const GUI::ModelIndex& index, const GUI::Variant& term) const
{
auto name = page_name(index);
if (name.contains(term.as_string(), CaseSensitivity::CaseInsensitive))
return TriState::True;
auto view_result = page_view(page_path(index));
if (view_result.is_error() || view_result.value().is_empty())
return TriState::False;
return view_result.value().contains(term.as_string(), CaseSensitivity::CaseInsensitive) ? TriState::True : TriState::False;
}
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