Merge branch 'feature/UndoRedoWithModelData' into develop

CMakeLists.txt

@@ -29,8 +29,10 @@ if(${QT_VERSION_MAJOR} GREATER_EQUAL 6)
         ${PROJECT_SOURCES}
         utils/messagehandler.h
         assets/icons.qrc
-        Dialogs/abstractdialog.h Dialogs/abstractdialog.cpp
+        dialogs/abstractdialog.h dialogs/abstractdialog.cpp
-        Dialogs/newitemdialog.h Dialogs/newitemdialog.cpp
+        dialogs/newitemdialog.h dialogs/newitemdialog.cpp
+        dialogs/edititemdialog.h dialogs/edititemdialog.cpp
+        views/itemdetailmapper.h views/itemdetailmapper.cpp
     )
 # Define target properties for Android with Qt 6 as:
 #    set_property(TARGET ${TARGET_APP} APPEND PROPERTY QT_ANDROID_PACKAGE_SOURCE_DIR

dialogs/edititemdialog.cpp

@@ -0,0 +1,33 @@
+#include "edititemdialog.h"
+
+#include <QVBoxLayout>
+
+#include "../views/itemdetailmapper.h"
+
+EditItemDialog::EditItemDialog(QTableView* tableView, QWidget* parent)
+    : AbstractDialog(parent)
+    , m_tableView(tableView) {}
+
+void EditItemDialog::createContent() {
+  if (m_contentContainer) {
+    delete m_contentContainer;
+  }
+
+  setWindowTitle(tr("Edit item..."));
+
+  m_detailMapper = new ItemDetailMapper(this);
+  m_detailMapper->setModelMappings(m_tableView);
+  m_contentContainer = m_detailMapper;
+
+  m_outerLayout->insertWidget(0, m_contentContainer);
+}
+
+void EditItemDialog::accept() {
+  m_detailMapper->submit();
+  QDialog::accept();
+}
+
+void EditItemDialog::reject() {
+  m_detailMapper->revert();
+  QDialog::reject();
+}

dialogs/edititemdialog.h

@@ -0,0 +1,46 @@
+#ifndef EDITITEMDIALOG_H
+#define EDITITEMDIALOG_H
+
+#include "abstractdialog.h"
+
+class QDoubleSpinBox;
+class QLineEdit;
+class QSpinBox;
+class QLabel;
+class QTableView;
+
+class ItemDetailMapper;
+
+class EditItemDialog : public AbstractDialog {
+  Q_OBJECT
+ public:
+  EditItemDialog(QTableView* tableView, QWidget* parent = nullptr);
+
+  /// AbstractDialog interface
+  void createContent() override;
+
+ public slots:
+  void accept() override;
+  void reject() override;
+
+ private:
+  QTableView* m_tableView = nullptr;
+  ItemDetailMapper* m_detailMapper;
+
+  QLabel* m_nameLabel   = nullptr;
+  QLineEdit* m_nameEdit = nullptr;
+
+  QLabel* m_descriptionLabel   = nullptr;
+  QLineEdit* m_descriptionEdit = nullptr;
+
+  QLabel* m_infoLabel   = nullptr;
+  QLineEdit* m_infoEdit = nullptr;
+
+  QLabel* m_amountLabel = nullptr;
+  QSpinBox* m_amountBox = nullptr;
+
+  QLabel* m_factorLabel       = nullptr;
+  QDoubleSpinBox* m_factorBox = nullptr;
+};
+
+#endif  // EDITITEMDIALOG_H

dialogs/newitemdialog.h

@@ -7,6 +7,7 @@ class QDoubleSpinBox;
 class QLineEdit;
 class QSpinBox;
 class QLabel;
+
 class NewItemDialog : public AbstractDialog {
   Q_OBJECT
 

mainwindow.cpp

@@ -3,10 +3,13 @@
 
 #include <QCloseEvent>
 #include <QMessageBox>
+#include <QUndoStack>
+#include <QUndoView>
 
 #include "../../ApplicationConfig.h"
-#include "Dialogs/newitemdialog.h"
 #include "data/settingshandler.h"
+#include "dialogs/edititemdialog.h"
+#include "dialogs/newitemdialog.h"
 #include "genericcore.h"
 #include "model/tablemodel.h"
 
@@ -19,6 +22,7 @@ MainWindow::MainWindow(QWidget* parent)
   ui->setupUi(this);
 
   m_core = std::make_unique<GenericCore>();
+  setWindowTitle(windowTitle() + " [*]");
 
   /// application icon
   const QString iconString = "://feature.png";
@@ -49,10 +53,13 @@ MainWindow::MainWindow(QWidget* parent)
   connect(this, &MainWindow::checkForUpdates, this,
           &MainWindow::on_actionCheck_for_update_triggered, Qt::QueuedConnection);
 
-  connect(ui->tableView->selectionModel(), &QItemSelectionModel::selectionChanged, this,
+  // connect(ui->tableView->selectionModel(), &QItemSelectionModel::selectionChanged, this,
-          &MainWindow::onSelectionChanged);
+  //         &MainWindow::onSelectionChanged);
+  connect(ui->tableView->selectionModel(), &QItemSelectionModel::currentChanged, this,
+          &MainWindow::onCurrentChanged);
 
   onSelectionChanged(QItemSelection(), QItemSelection());
+  onCurrentChanged(QModelIndex(), QModelIndex());
 }
 
 MainWindow::~MainWindow() { delete ui; }
@@ -100,6 +107,20 @@ void MainWindow::showStatusMessage(const QString text) {
   ui->statusbar->showMessage(text);
 }
 
+void MainWindow::onCurrentChanged(const QModelIndex& current, const QModelIndex& previous) {
+  // Q_UNUSED(current);
+  Q_UNUSED(previous);
+
+  // QItemSelection localSelection = ui->tableView->selectionModel()->selection();
+  if (current == QModelIndex()) {
+    // qDebug() << "Nothing selected. Disabling delete action";
+    m_deleteItemAct->setEnabled(false);
+  } else {
+    // qDebug() << "Something selected. Enabling delete action";
+    m_deleteItemAct->setEnabled(true);
+  }
+}
+
 void MainWindow::onSelectionChanged(const QItemSelection& selected,
                                     const QItemSelection& deselected) {
   Q_UNUSED(selected);
@@ -153,6 +174,22 @@ void MainWindow::openNewItemDialog() {
   m_newItemDialog->show();
 }
 
+void MainWindow::openEditItemDialog() {
+  showStatusMessage(tr("Invoked 'Edit|Edit Item'"));
+  m_editItemDialog->show();
+}
+
+void MainWindow::deleteCurrentItem() {
+  showStatusMessage(tr("Invoked 'Edit|Delete Item'"));
+  // QItemSelection localSelection  = ui->tableView->selectionModel()->selection();
+  const QModelIndex currentIndex = ui->tableView->selectionModel()->currentIndex();
+  if (currentIndex == QModelIndex()) {
+    qDebug() << "No current item. Nothing to remove.";
+  } else {
+    m_tableModel->removeRows(currentIndex.row(), 1);
+  }
+}
+
 void MainWindow::deleteSelectedtItems() {
   showStatusMessage(tr("Invoked 'Edit|Delete Item'"));
   QItemSelection localSelection = ui->tableView->selectionModel()->selection();
@@ -172,9 +209,33 @@ void MainWindow::deleteSelectedtItems() {
   }
 }
 
+void MainWindow::onCleanStateChanged(bool clean) {
+  qInfo() << "Slot onCleanStateChanged triggered: clean:" << clean;
+  setWindowModified(!clean);
+  if (!clean) {
+    ui->statusbar->clearMessage();
+  }
+}
+
+void MainWindow::onShowUndoViewToggled(bool checked) {
+  //  qInfo() << "Slot onShowUndoViewToggled toggled: checked:" << checked;
+  //  m_undoView->setVisible(checked);
+
+  /// workaround until m_showUndoViewAction is checkable
+  qInfo() << "Slot onShowUndoViewToggled triggered, toggleing undo view...";
+  Q_UNUSED(checked);
+  if (m_modelUndoView->isVisible()) {
+    m_modelUndoView->setVisible(false);
+
+  } else {
+    m_modelUndoView->setVisible(true);
+  }
+}
+
 void MainWindow::createActions() {
   // TODO add generic menu actions (file/new, edit/cut, ...)
   createFileActions();
+  createUndoActions();
   createEditActions();
 }
 
@@ -232,6 +293,44 @@ void MainWindow::createFileActions() {
   ui->menu_File->addAction(m_exitAct.get());
 }
 
+void MainWindow::createUndoActions() {
+  if (!m_core) {
+    qCritical() << "No core instance set, aborting...";
+    return;
+  }
+  m_modelUndoStack = m_core->getModelUndoStack();
+
+  connect(m_modelUndoStack, &QUndoStack::cleanChanged, this, &MainWindow::onCleanStateChanged);
+
+  m_undoAct.reset(m_modelUndoStack->createUndoAction(this, tr("&Undo")));
+  m_undoAct->setShortcuts(QKeySequence::Undo);
+  m_undoAct->setStatusTip(tr("Undo the last operation"));
+  ui->menu_Edit->addAction(m_undoAct.get());
+
+  m_redoAct.reset(m_modelUndoStack->createRedoAction(this, tr("&Redo")));
+  m_redoAct->setShortcuts(QKeySequence::Redo);
+  m_redoAct->setStatusTip(tr("Redo the last operation"));
+  ui->menu_Edit->addAction(m_redoAct.get());
+
+  m_modelUndoView = make_unique<QUndoView>(m_modelUndoStack);
+  m_modelUndoView->setWindowTitle(tr("Undo list"));
+  m_modelUndoView->setAttribute(Qt::WA_QuitOnClose, false);
+  m_modelUndoView->setMinimumSize(450, 600);
+  m_showModelUndoViewAct = make_unique<QAction>(tr("Show undo/redo window"), this);
+  m_showModelUndoViewAct->setStatusTip(tr("Opens a window displaying the items on the undo stack"));
+
+  // TODO showUndoViewAction should be checkable
+  //  m_showUndoViewAction->setCheckable(true);
+  //  connect(m_showUndoViewAction, &QAction::toggled, this, &MainWindow::onShowUndoViewToggled);
+  connect(m_showModelUndoViewAct.get(), &QAction::triggered, this,
+          &MainWindow::onShowUndoViewToggled);
+
+  // TODO ? add a keyboard short cut?
+  //  m_showUndoViewAction->setShortcuts(QKeySequence::Copy);
+
+  ui->menu_View->addAction(m_showModelUndoViewAct.get());
+}
+
 void MainWindow::createEditActions() {
   m_cutAct = make_unique<QAction>(tr("Cu&t"), this);
   m_cutAct->setShortcuts(QKeySequence::Cut);
@@ -271,14 +370,15 @@ void MainWindow::createEditActions() {
   m_openEditItemDialogAct = make_unique<QAction>(tr("&Edit item"), this);
   m_openEditItemDialogAct->setShortcut(QKeySequence(Qt::CTRL | Qt::Key_E));
   m_openEditItemDialogAct->setStatusTip(tr("Opens a edit dialog for the current item"));
-  // connect(m_openEditItemDialogAct, &QAction::triggered, this, &MainWindow::openEditDialog);
+  connect(m_openEditItemDialogAct.get(), &QAction::triggered, this,
-  m_openEditItemDialogAct->setEnabled(false);
+          &MainWindow::openEditItemDialog);
   ui->menu_Edit->addAction(m_openEditItemDialogAct.get());
 
   m_deleteItemAct = make_unique<QAction>(tr("&Delete item(s)"), this);
   m_deleteItemAct->setShortcuts(QKeySequence::Delete);
   m_deleteItemAct->setStatusTip(tr("Delete currently selected item(s)"));
-  connect(m_deleteItemAct.get(), &QAction::triggered, this, &MainWindow::deleteSelectedtItems);
+  // connect(m_deleteItemAct.get(), &QAction::triggered, this, &MainWindow::deleteSelectedtItems);
+  connect(m_deleteItemAct.get(), &QAction::triggered, this, &MainWindow::deleteCurrentItem);
   ui->menu_Edit->addAction(m_deleteItemAct.get());
 
   ui->menu_Edit->addSeparator();
@@ -302,8 +402,12 @@ void MainWindow::createHelpMenu() {
 }
 
 void MainWindow::createGuiDialogs() {
+  /// new item dialog
   m_newItemDialog = make_unique<NewItemDialog>(this);
   m_newItemDialog->createContent();
   connect(m_newItemDialog.get(), &NewItemDialog::addItems, m_tableModel.get(),
           &TableModel::appendItems);
+  /// edit item dialog
+  m_editItemDialog = make_unique<EditItemDialog>(ui->tableView, this);
+  m_editItemDialog->createContent();
 }

mainwindow.h

@@ -4,17 +4,20 @@
 #include <QItemSelection>
 #include <QMainWindow>
 
-class NewItemDialog;
-class TableModel;
-
 QT_BEGIN_NAMESPACE
 
+class QUndoStack;
+
+class QUndoView;
 namespace Ui {
 class MainWindow;
 }
 QT_END_NAMESPACE
 
 class GenericCore;
+class TableModel;
+class NewItemDialog;
+class EditItemDialog;
 
 using namespace std;
 
@@ -34,6 +37,7 @@ class MainWindow : public QMainWindow {
 
  private slots:
   void showStatusMessage(const QString text);
+  void onCurrentChanged(const QModelIndex& current, const QModelIndex& previous);
   void onSelectionChanged(const QItemSelection& selected, const QItemSelection& deselected);
 
   void onAboutClicked();
@@ -43,14 +47,21 @@ class MainWindow : public QMainWindow {
 
   /// slots for menu actions
   void openNewItemDialog();
+  void openEditItemDialog();
+  void deleteCurrentItem();
   void deleteSelectedtItems();
 
+  void onCleanStateChanged(bool clean);
+  void onShowUndoViewToggled(bool checked);
+
  private:
   Ui::MainWindow* ui;
 
   // GenericCore* m_core;
   unique_ptr<GenericCore> m_core;
   shared_ptr<TableModel> m_tableModel;
+  QUndoStack* m_modelUndoStack;
+  unique_ptr<QUndoView> m_modelUndoView;
 
   /// File actions
   unique_ptr<QAction> m_newFileAct;
@@ -70,13 +81,17 @@ class MainWindow : public QMainWindow {
   unique_ptr<QAction> m_openEditItemDialogAct;
   unique_ptr<QAction> m_deleteItemAct;
   unique_ptr<QAction> m_findItemAct;
+  /// View actions
+  unique_ptr<QAction> m_showModelUndoViewAct;
 
   /// Dialogs
   unique_ptr<NewItemDialog> m_newItemDialog;
+  unique_ptr<EditItemDialog> m_editItemDialog;
 
   /// Setup functions
   void createActions();
   void createFileActions();
+  void createUndoActions();
   void createEditActions();
   void createHelpMenu();
   void createGuiDialogs();

views/itemdetailmapper.cpp

@@ -0,0 +1,142 @@
+#include "itemdetailmapper.h"
+
+#include <QAbstractItemModel>
+#include <QDataWidgetMapper>
+#include <QGridLayout>
+#include <QJsonArray>
+#include <QJsonObject>
+#include <QLabel>
+#include <QLineEdit>
+#include <QPushButton>
+#include <QSpinBox>
+#include <QTableView>
+
+ItemDetailMapper::ItemDetailMapper(QWidget* parent)
+    : QWidget{parent} {
+  /// model mapping
+  m_mapper = std::make_unique<QDataWidgetMapper>(this);
+  m_mapper->setSubmitPolicy(QDataWidgetMapper::ManualSubmit);
+
+  /// model mapping buttons
+  m_nextButton     = new QPushButton(tr("Ne&xt"));
+  m_previousButton = new QPushButton(tr("&Previous"));
+
+  connect(m_previousButton, &QAbstractButton::clicked, this, &ItemDetailMapper::toPrevious);
+  connect(m_nextButton, &QAbstractButton::clicked, this, &ItemDetailMapper::toNext);
+
+  /// the individual widgets
+  // REFACTOR deduce label names and types from meta data & use a factory
+  m_nameLabel = new QLabel("&Name");
+  m_nameEdit  = new QLineEdit();
+  m_nameLabel->setBuddy(m_nameEdit);
+
+  m_descriptionLabel = new QLabel("&Description");
+  m_descriptionEdit  = new QLineEdit();
+  m_descriptionLabel->setBuddy(m_descriptionEdit);
+
+  m_infoLabel = new QLabel("&Info");
+  m_infoEdit  = new QLineEdit();
+  m_infoLabel->setBuddy(m_infoEdit);
+
+  m_amountLabel = new QLabel("&Amount");
+  m_amountBox   = new QSpinBox();
+  m_amountBox->setMaximum(1000);
+  m_amountLabel->setBuddy(m_amountBox);
+
+  m_factorLabel = new QLabel("&Factor");
+  m_factorBox   = new QDoubleSpinBox();
+  m_factorBox->setMaximum(1000);
+  m_factorLabel->setBuddy(m_factorBox);
+
+  QGridLayout* layout = new QGridLayout();
+  layout->addWidget(m_nameLabel, 0, 0, 1, 1);
+  layout->addWidget(m_nameEdit, 0, 1, 1, 1);
+  layout->addWidget(m_descriptionLabel, 1, 0, 1, 1);
+  layout->addWidget(m_descriptionEdit, 1, 1, 1, 1);
+  layout->addWidget(m_infoLabel, 2, 0, 1, 1);
+  layout->addWidget(m_infoEdit, 2, 1, 1, 1);
+  layout->addWidget(m_amountLabel, 3, 0, 1, 1);
+  layout->addWidget(m_amountBox, 3, 1, 1, 1);
+  layout->addWidget(m_factorLabel, 4, 0, 1, 1);
+  layout->addWidget(m_factorBox, 4, 1, 1, 1);
+
+  layout->addWidget(m_previousButton, 5, 0, 1, 1);
+  layout->addWidget(m_nextButton, 5, 1, 1, 1);
+
+  setLayout(layout);
+}
+
+void ItemDetailMapper::setModelMappings(QTableView* tableView) {
+  qDebug() << "Setting model...";
+  m_tableView      = tableView;
+  m_model          = tableView->model();
+  m_selectionModel = tableView->selectionModel();
+
+  m_mapper->setModel(m_model);
+  m_mapper->addMapping(m_nameEdit, 0);
+  m_mapper->addMapping(m_descriptionEdit, 1);
+  m_mapper->addMapping(m_infoEdit, 2);
+  m_mapper->addMapping(m_amountBox, 3);
+  m_mapper->addMapping(m_factorBox, 4);
+
+  m_mapper->setCurrentIndex(m_selectionModel->currentIndex().row());
+
+  connect(m_model, &QAbstractItemModel::rowsInserted, this, &ItemDetailMapper::rowsInserted);
+  connect(m_model, &QAbstractItemModel::rowsRemoved, this, &ItemDetailMapper::rowsRemoved);
+  connect(m_selectionModel, &QItemSelectionModel::currentChanged, this,
+          &ItemDetailMapper::onCurrentIndexChanged);
+
+  updateButtons(m_selectionModel->currentIndex().row());
+}
+
+bool ItemDetailMapper::submit() { return m_mapper->submit(); }
+
+void ItemDetailMapper::revert() { m_mapper->revert(); }
+
+void ItemDetailMapper::onCurrentIndexChanged(const QModelIndex& current,
+                                             const QModelIndex& previous) {
+  if (!isEnabled()) {
+    setEnabled(true);
+  }
+  m_mapper->setCurrentModelIndex(current);
+  updateButtons(current.row());
+}
+
+void ItemDetailMapper::rowsInserted(const QModelIndex& parent, int start, int end) {
+  updateButtons(m_mapper->currentIndex());
+}
+
+void ItemDetailMapper::rowsRemoved(const QModelIndex& parent, int start, int end) {
+  if (m_model->rowCount() == 0) {
+    setEnabled(false);
+
+    m_nameEdit->clear();
+    m_descriptionEdit->clear();
+    m_infoEdit->clear();
+    m_amountBox->clear();
+    m_factorBox->clear();
+  }
+
+  updateButtons(m_mapper->currentIndex());
+}
+
+void ItemDetailMapper::toPrevious() {
+  int currentRow            = m_selectionModel->currentIndex().row();
+  QModelIndex previousIndex = m_selectionModel->currentIndex().siblingAtRow(currentRow - 1);
+  if (previousIndex.isValid()) {
+    m_selectionModel->setCurrentIndex(previousIndex, QItemSelectionModel::ClearAndSelect);
+  }
+}
+
+void ItemDetailMapper::toNext() {
+  int currentRow        = m_selectionModel->currentIndex().row();
+  QModelIndex nextIndex = m_selectionModel->currentIndex().siblingAtRow(currentRow + 1);
+  if (nextIndex.isValid()) {
+    m_selectionModel->setCurrentIndex(nextIndex, QItemSelectionModel::ClearAndSelect);
+  }
+}
+
+void ItemDetailMapper::updateButtons(int row) {
+  m_previousButton->setEnabled(row > 0);
+  m_nextButton->setEnabled(row < m_model->rowCount() - 1);
+}

views/itemdetailmapper.h

@@ -0,0 +1,65 @@
+#ifndef ITEMDETAILMAPPER_H
+#define ITEMDETAILMAPPER_H
+
+#include <QDataWidgetMapper>
+#include <QWidget>
+
+class QLabel;
+class QLineEdit;
+class QDoubleSpinBox;
+class QSpinBox;
+class QPushButton;
+class QAbstractItemModel;
+class QItemSelectionModel;
+class QTableView;
+
+class ItemDetailMapper : public QWidget {
+  Q_OBJECT
+ public:
+  explicit ItemDetailMapper(QWidget* parent = nullptr);
+
+  void setModelMappings(QTableView* tableView);
+
+  bool submit();
+  void revert();
+
+ signals:
+
+ private slots:
+  void onCurrentIndexChanged(const QModelIndex& current, const QModelIndex& previous);
+  void rowsInserted(const QModelIndex& parent, int start, int end);
+  void rowsRemoved(const QModelIndex& parent, int start, int end);
+  void toPrevious();
+  void toNext();
+  void updateButtons(int row);
+
+ private:
+  /// *** members ***
+  /// Model stuff
+  QTableView* m_tableView               = nullptr;
+  QAbstractItemModel* m_model           = nullptr;
+  QItemSelectionModel* m_selectionModel = nullptr;
+
+  std::unique_ptr<QDataWidgetMapper> m_mapper;
+
+  /// GUI elements
+  QLabel* m_nameLabel   = nullptr;
+  QLineEdit* m_nameEdit = nullptr;
+
+  QLabel* m_descriptionLabel   = nullptr;
+  QLineEdit* m_descriptionEdit = nullptr;
+
+  QLabel* m_infoLabel   = nullptr;
+  QLineEdit* m_infoEdit = nullptr;
+
+  QLabel* m_amountLabel = nullptr;
+  QSpinBox* m_amountBox = nullptr;
+
+  QLabel* m_factorLabel       = nullptr;
+  QDoubleSpinBox* m_factorBox = nullptr;
+
+  QPushButton* m_nextButton;
+  QPushButton* m_previousButton;
+};
+
+#endif  // ITEMDETAILMAPPER_H