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#include "UI.hpp"
#include "Model/GlobalStates.hpp"
#include "Model/Project.hpp"
#include "UI/Localization.hpp"
#include <imgui.h>
#include <imgui_stdlib.h>
namespace {
enum class ActionResult
{
Confirmed,
Canceled,
Pending,
};
/// \param list Item list that the item is in.
/// \param item A non-null pointer to the currently being edited item. It should not change until this function returns a non-\c ActionResult::Pending value.
template <class T>
ActionResult ItemEditor(ItemList<T>& list, T* item)
{
constexpr bool kHasDescription = requires(T t)
{
t.GetDescription();
};
constexpr bool kHasEmail = requires(T t)
{
t.GetEmail();
};
auto ls = LocaleStrings::Instance.get();
auto& gs = GlobalStates::GetInstance();
static bool duplicateName = false;
static std::string name;
static std::string description;
static std::string email;
if (name.empty()) {
name = item->GetName();
if constexpr (kHasDescription) description = item->GetDescription();
if constexpr (kHasEmail) email = item->GetEmail();
}
auto ClearStates = [&]() {
duplicateName = false;
name = {};
description = {};
};
if (ImGui::InputText(ls->ItemNameColumn.Get(), &name)) {
duplicateName = name != item->GetName() && list.Find(name) != nullptr;
}
if constexpr (kHasDescription) ImGui::InputText(ls->ItemDescriptionColumn.Get(), &description);
if constexpr (kHasEmail) ImGui::InputText(ls->ItemEmailColumn.Get(), &email);
if (name.empty()) {
ImGui::ErrorMessage("%s", ls->EmptyItemNameError.Get());
}
if (duplicateName) {
ImGui::ErrorMessage("%s", ls->DuplicateItemNameError.Get());
}
// Return Value
auto rv = ActionResult::Pending;
if (ImGui::Button(ls->DialogConfirm.Get(), name.empty() || duplicateName)) {
if (item->GetName() != name) {
item->SetName(std::move(name));
}
if constexpr (kHasDescription)
if (item->GetDescription() != description) {
item->SetDescription(std::move(description));
}
if constexpr (kHasEmail)
if (item->GetEmail() != email) {
item->SetEmail(std::move(email));
}
ImGui::CloseCurrentPopup();
ClearStates();
rv = ActionResult::Confirmed;
}
ImGui::SameLine();
if (ImGui::Button(ls->DialogCancel.Get())) {
ImGui::CloseCurrentPopup();
ClearStates();
rv = ActionResult::Canceled;
}
return rv;
}
template <class T>
void ItemListEntries(ItemList<T>& list, int& selectedIdx)
{
constexpr bool kHasDescription = requires(T t)
{
t.GetDescription();
};
constexpr bool kHasEmail = requires(T t)
{
t.GetEmail();
};
constexpr bool kHasStock = requires(T t)
{
t.GetPrice();
};
constexpr bool kHasPrice = requires(T t)
{
t.GetPrice();
};
constexpr int kColumns = 1 /* Name column */ + kHasDescription + kHasEmail + kHasStock + kHasPrice;
auto ls = LocaleStrings::Instance.get();
auto& gs = GlobalStates::GetInstance();
if (ImGui::BeginTable("", kColumns, ImGuiTableFlags_Borders)) {
ImGui::TableSetupColumn(ls->ItemNameColumn.Get());
if constexpr (kHasDescription) ImGui::TableSetupColumn(ls->ItemDescriptionColumn.Get());
if constexpr (kHasEmail) ImGui::TableSetupColumn(ls->ItemEmailColumn.Get());
if constexpr (kHasStock) ImGui::TableSetupColumn(ls->ItemStockColumn.Get());
if constexpr (kHasPrice) ImGui::TableSetupColumn(ls->ItemPriceColumn.Get());
ImGui::TableHeadersRow();
size_t idx = 0;
for (auto& entry : list) {
if (entry.IsInvalid()) {
continue;
}
ImGui::TableNextRow();
ImGui::TableNextColumn();
if (ImGui::Selectable(entry.GetName().c_str(), selectedIdx == idx, ImGuiSelectableFlags_SpanAllColumns)) {
selectedIdx = idx;
}
if constexpr (kHasDescription) {
ImGui::TableNextColumn();
ImGui::TextUnformatted(entry.GetDescription().c_str());
}
if constexpr (kHasEmail) {
ImGui::TableNextColumn();
ImGui::TextUnformatted(entry.GetEmail().c_str());
}
if constexpr (kHasStock) {
ImGui::TableNextColumn();
ImGui::Text("%d", entry.GetStock());
}
if constexpr (kHasPrice) {
ImGui::TableNextColumn();
// TODO format in dollars
ImGui::Text("%d", entry.GetPrice());
}
idx++;
}
ImGui::EndTable();
}
}
template <class T>
void ItemListEditor(ItemList<T>& list)
{
auto ls = LocaleStrings::Instance.get();
bool opened = true;
static int selectedIdx = -1;
static T* editingItem = nullptr;
if (ImGui::Button(ls->Add.Get())) {
ImGui::SetNextWindowCentered();
ImGui::OpenPopup(ls->AddItemDialogTitle.Get());
editingItem = &list.Insert("");
}
if (ImGui::BeginPopupModal(ls->AddItemDialogTitle.Get(), &opened, ImGuiWindowFlags_AlwaysAutoResize)) {
switch (ItemEditor(list, editingItem)) {
case ActionResult::Confirmed:
editingItem = nullptr;
break;
case ActionResult::Canceled:
list.Remove(editingItem->GetId());
editingItem = nullptr;
break;
default:
break;
}
ImGui::EndPopup();
}
ImGui::SameLine();
if (ImGui::Button(ls->Edit.Get(), selectedIdx == -1)) {
ImGui::SetNextWindowCentered();
ImGui::OpenPopup(ls->EditItemDialogTitle.Get());
editingItem = list.Find(selectedIdx);
}
if (ImGui::BeginPopupModal(ls->EditItemDialogTitle.Get(), &opened, ImGuiWindowFlags_AlwaysAutoResize)) {
if (ItemEditor(list, editingItem) != ActionResult::Pending) {
editingItem = nullptr;
}
ImGui::EndPopup();
}
ImGui::SameLine();
if (ImGui::Button(ls->Delete.Get(), selectedIdx == -1)) {
ImGui::SetNextWindowCentered();
ImGui::OpenPopup(ls->DeleteItemDialogTitle.Get());
list.Remove(selectedIdx);
}
if (ImGui::BeginPopupModal(ls->DeleteItemDialogTitle.Get(), &opened, ImGuiWindowFlags_AlwaysAutoResize)) {
ImGui::TextUnformatted(ls->DeleteItemDialogMessage.Get());
if (ImGui::Button(ls->DialogConfirm.Get())) {
ImGui::CloseCurrentPopup();
}
ImGui::SameLine();
if (ImGui::Button(ls->DialogCancel.Get())) {
ImGui::CloseCurrentPopup();
}
ImGui::EndPopup();
}
ItemListEntries<T>(list, selectedIdx);
}
} // namespace
void UI::ItemsTab()
{
auto ls = LocaleStrings::Instance.get();
auto& gs = GlobalStates::GetInstance();
if (ImGui::BeginTabBar("ItemViewTabs")) {
if (ImGui::BeginTabItem(ls->ProductCategoryName.Get())) {
ItemListEditor(gs.GetCurrentProject()->Products);
ImGui::EndTabItem();
}
if (ImGui::BeginTabItem(ls->FactoryCategoryName.Get())) {
ItemListEditor(gs.GetCurrentProject()->Factories);
ImGui::EndTabItem();
}
if (ImGui::BeginTabItem(ls->CustomerCategoryName.Get())) {
ItemListEditor(gs.GetCurrentProject()->Customers);
ImGui::EndTabItem();
}
ImGui::EndTabBar();
}
}
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