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#include "items_pane.h"
#include <map>
namespace {
enum SortInstruction {
SI_NONE = 0,
SI_ASC = 1 << 0,
SI_DESC = 1 << 1,
SI_NAME = 1 << 2,
SI_AMOUNT = 1 << 3,
SI_ORDER = 1 << 4,
};
inline SortInstruction operator|(SortInstruction lhs, SortInstruction rhs) {
return static_cast<SortInstruction>(static_cast<int>(lhs) |
static_cast<int>(rhs));
}
template <typename T>
int ItemCompare(const T& lhs, const T& rhs, bool ascending) {
if (lhs < rhs) {
return ascending ? -1 : 1;
} else if (lhs > rhs) {
return ascending ? 1 : -1;
} else {
return 0;
}
}
int wxCALLBACK RowCompare(wxIntPtr item1, wxIntPtr item2, wxIntPtr sortData) {
const ItemState& lhs = *reinterpret_cast<const ItemState*>(item1);
const ItemState& rhs = *reinterpret_cast<const ItemState*>(item2);
SortInstruction instruction = static_cast<SortInstruction>(sortData);
bool ascending = (instruction & SI_ASC) != 0;
if ((instruction & SI_NAME) != 0) {
return ItemCompare(lhs.name, rhs.name, ascending);
} else if ((instruction & SI_AMOUNT) != 0) {
return ItemCompare(lhs.amount, rhs.amount, ascending);
} else if ((instruction & SI_ORDER) != 0) {
return ItemCompare(lhs.index, rhs.index, ascending);
} else {
return 0;
}
}
} // namespace
ItemsPane::ItemsPane(wxWindow* parent)
: wxListView(parent, wxID_ANY, wxDefaultPosition, wxDefaultSize,
wxLC_REPORT | wxLC_SINGLE_SEL | wxLC_HRULES) {
AppendColumn("Item", wxLIST_FORMAT_LEFT, wxLIST_AUTOSIZE_USEHEADER);
AppendColumn("Amount", wxLIST_FORMAT_LEFT, wxLIST_AUTOSIZE_USEHEADER);
AppendColumn("Order", wxLIST_FORMAT_LEFT, wxLIST_AUTOSIZE_USEHEADER);
Bind(wxEVT_LIST_COL_CLICK, &ItemsPane::OnColClick, this);
Bind(wxEVT_DPI_CHANGED, &ItemsPane::OnDPIChanged, this);
}
void ItemsPane::ResetIndicators() {
DeleteAllItems();
items_.clear();
}
void ItemsPane::UpdateIndicators(const std::vector<ItemState>& items) {
std::map<std::string, ItemState> items_by_name;
for (const ItemState& item : items) {
items_by_name[item.name] = item;
}
for (int i = 0; i < GetItemCount(); i++) {
std::string item_name = GetItemText(i).utf8_string();
auto it = items_by_name.find(item_name);
if (it != items_by_name.end()) {
SetItem(i, 1, std::to_string(it->second.amount));
SetItem(i, 2, std::to_string(it->second.index));
*reinterpret_cast<ItemState*>(GetItemData(i)) = it->second;
items_by_name.erase(item_name);
}
}
for (const auto& [name, item] : items_by_name) {
int i = InsertItem(GetItemCount(), name);
SetItem(i, 1, std::to_string(item.amount));
SetItem(i, 2, std::to_string(item.index));
auto item_ptr = std::make_unique<ItemState>(item);
SetItemPtrData(i, reinterpret_cast<wxUIntPtr>(item_ptr.get()));
items_.push_back(std::move(item_ptr));
}
SetColumnWidth(0, wxLIST_AUTOSIZE);
SetColumnWidth(1, wxLIST_AUTOSIZE_USEHEADER);
SetColumnWidth(2, wxLIST_AUTOSIZE_USEHEADER);
if (GetSortIndicator() != -1) {
DoSort(GetSortIndicator(), IsAscendingSortIndicator());
}
}
void ItemsPane::OnColClick(wxListEvent& event) {
int col = event.GetColumn();
if (col == -1) {
return;
}
bool ascending = GetUpdatedAscendingSortIndicator(col);
DoSort(col, ascending);
}
void ItemsPane::OnDPIChanged(wxDPIChangedEvent& event) {
SetColumnWidth(0, wxLIST_AUTOSIZE);
SetColumnWidth(1, wxLIST_AUTOSIZE_USEHEADER);
SetColumnWidth(2, wxLIST_AUTOSIZE_USEHEADER);
event.Skip();
}
void ItemsPane::DoSort(int col, bool ascending) {
SortInstruction instruction = SI_NONE;
if (ascending) {
instruction = instruction | SI_ASC;
} else {
instruction = instruction | SI_DESC;
}
if (col == 0) {
instruction = instruction | SI_NAME;
} else if (col == 1) {
instruction = instruction | SI_AMOUNT;
} else if (col == 2) {
instruction = instruction | SI_ORDER;
}
if (SortItems(RowCompare, instruction)) {
ShowSortIndicator(col, ascending);
}
}
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