Переделано под один мега-проект LMS с общим CMakeLists.txt

InstructorsAndTrainees/instructors/dialogauthorizationinstructor.cpp

@@ -0,0 +1,19 @@
+#include "dialogauthorizationinstructor.h"
+#include "ui_dialogauthorizationinstructor.h"
+
+DialogAuthorizationInstructor::DialogAuthorizationInstructor(QWidget *parent) :
+    QDialog(parent),
+    ui(new Ui::DialogAuthorizationInstructor)
+{
+    ui->setupUi(this);
+
+    ui->editLogin->setProperty("mandatoryField", true);
+    ui->editPassword->setProperty("mandatoryField", true);
+
+    ui->editPassword->setEchoMode(QLineEdit::EchoMode::Password);
+}
+
+DialogAuthorizationInstructor::~DialogAuthorizationInstructor()
+{
+    delete ui;
+}

InstructorsAndTrainees/instructors/dialogauthorizationinstructor.h

@@ -0,0 +1,33 @@
+#ifndef DIALOGAUTHORIZATIONINSTRUCTOR_H
+#define DIALOGAUTHORIZATIONINSTRUCTOR_H
+
+#include <QDialog>
+#include "ui_dialogauthorizationinstructor.h"
+
+namespace Ui {
+class DialogAuthorizationInstructor;
+}
+
+class DialogAuthorizationInstructor : public QDialog
+{
+    Q_OBJECT
+
+public:
+    explicit DialogAuthorizationInstructor(QWidget *parent = nullptr);
+    ~DialogAuthorizationInstructor();
+
+    QString getLogin()
+    {
+        return ui->editLogin->text();
+    }
+
+    QString getPassword()
+    {
+        return ui->editPassword->text();
+    }
+
+private:
+    Ui::DialogAuthorizationInstructor *ui;
+};
+
+#endif // DIALOGAUTHORIZATIONINSTRUCTOR_H

InstructorsAndTrainees/instructors/dialogauthorizationinstructor.ui

@@ -0,0 +1,148 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>DialogAuthorizationInstructor</class>
+ <widget class="QDialog" name="DialogAuthorizationInstructor">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>300</width>
+    <height>140</height>
+   </rect>
+  </property>
+  <property name="font">
+   <font>
+    <family>Tahoma</family>
+    <pointsize>10</pointsize>
+   </font>
+  </property>
+  <property name="windowTitle">
+   <string>Instructor authorization</string>
+  </property>
+  <property name="windowIcon">
+   <iconset resource="../resources.qrc">
+    <normaloff>:/icons/login-user.png</normaloff>:/icons/login-user.png</iconset>
+  </property>
+  <layout class="QGridLayout" name="gridLayout">
+   <item row="0" column="0">
+    <layout class="QVBoxLayout" name="verticalLayout">
+     <item>
+      <layout class="QHBoxLayout" name="horizontalLayout">
+       <item>
+        <layout class="QVBoxLayout" name="verticalLayout_2">
+         <item>
+          <widget class="QLabel" name="label_1">
+           <property name="font">
+            <font>
+             <pointsize>10</pointsize>
+            </font>
+           </property>
+           <property name="text">
+            <string>Login</string>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <widget class="QLabel" name="label_2">
+           <property name="font">
+            <font>
+             <pointsize>10</pointsize>
+            </font>
+           </property>
+           <property name="text">
+            <string>Password</string>
+           </property>
+          </widget>
+         </item>
+        </layout>
+       </item>
+       <item>
+        <layout class="QVBoxLayout" name="verticalLayout_3">
+         <item>
+          <widget class="QLineEdit" name="editLogin">
+           <property name="font">
+            <font>
+             <pointsize>10</pointsize>
+            </font>
+           </property>
+           <property name="text">
+            <string>admin</string>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <widget class="QLineEdit" name="editPassword">
+           <property name="font">
+            <font>
+             <pointsize>10</pointsize>
+            </font>
+           </property>
+           <property name="text">
+            <string>admin</string>
+           </property>
+          </widget>
+         </item>
+        </layout>
+       </item>
+      </layout>
+     </item>
+     <item>
+      <widget class="QDialogButtonBox" name="buttonBox">
+       <property name="font">
+        <font>
+         <pointsize>10</pointsize>
+        </font>
+       </property>
+       <property name="locale">
+        <locale language="English" country="UnitedStates"/>
+       </property>
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="standardButtons">
+        <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <resources>
+  <include location="../resources.qrc"/>
+ </resources>
+ <connections>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>DialogAuthorizationInstructor</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>248</x>
+     <y>254</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>157</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>rejected()</signal>
+   <receiver>DialogAuthorizationInstructor</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>316</x>
+     <y>260</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>286</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>

InstructorsAndTrainees/instructors/dialogeditinstructor.cpp

@@ -0,0 +1,79 @@
+#include "dialogeditinstructor.h"
+#include "ui_dialogeditinstructor.h"
+#include <QPushButton>
+
+DialogEditInstructor::DialogEditInstructor(QWidget *parent) :
+    QDialog(parent),
+    ui(new Ui::DialogEditInstructor),
+    instructorInput()
+{
+    ui->setupUi(this);
+    verify();
+
+    ui->editName->setProperty("mandatoryField", true);
+    ui->editLogin->setProperty("mandatoryField", true);
+    ui->editPassword->setProperty("mandatoryField", true);
+}
+
+DialogEditInstructor::~DialogEditInstructor()
+{
+    delete ui;
+}
+
+void DialogEditInstructor::setInstructor(Instructor instructor)
+{
+    instructorInput = instructor;
+
+    ui->editName ->setText(instructor.getName());
+    ui->editLogin->setText(instructor.getLogin());
+    ui->editPassword->setText(instructor.getPassword());
+
+    ui->checkIsAdmin->setChecked(instructor.getIsAdmin());
+    ui->checkArchived->setChecked(instructor.getArchived());
+    ui->checkLoggedIn->setChecked(instructor.getLoggedIn());
+
+    if(instructor.getIsAdmin())
+        ui->editName->setEnabled(false);
+    else
+        ui->editName->setEnabled(true);
+}
+
+Instructor DialogEditInstructor::getInstructor()
+{
+    Instructor instructor = instructorInput;
+
+    instructor.setName(ui->editName->text());
+    instructor.setLogin(ui->editLogin->text());
+    instructor.setPassword(ui->editPassword->text());
+
+    instructor.setIsAdmin(ui->checkIsAdmin->isChecked());
+    instructor.setArchived(ui->checkArchived->isChecked());
+    instructor.setLoggedIn(ui->checkLoggedIn->isChecked());
+
+    return instructor;
+}
+
+void DialogEditInstructor::on_editName_textChanged(const QString &arg1)
+{
+    verify();
+}
+
+void DialogEditInstructor::on_editLogin_textChanged(const QString &arg1)
+{
+    verify();
+}
+
+void DialogEditInstructor::on_editPassword_textChanged(const QString &arg1)
+{
+    verify();
+}
+
+void DialogEditInstructor::verify()
+{
+    if(ui->editName->text().trimmed() == QStringLiteral("") ||
+            ui->editLogin->text().trimmed() == QStringLiteral("") ||
+            ui->editPassword->text().trimmed() == QStringLiteral(""))
+        ui->buttonBox->button(QDialogButtonBox::Ok)->setEnabled(false);
+    else
+        ui->buttonBox->button(QDialogButtonBox::Ok)->setEnabled(true);
+}

InstructorsAndTrainees/instructors/dialogeditinstructor.h

@@ -0,0 +1,39 @@
+#ifndef DIALOGEDITINSTRUCTOR_H
+#define DIALOGEDITINSTRUCTOR_H
+
+#include <QDialog>
+#include "instructor.h"
+#include "ui_dialogeditinstructor.h"
+
+namespace Ui {
+class DialogEditInstructor;
+}
+
+class DialogEditInstructor : public QDialog
+{
+    Q_OBJECT
+
+public:
+    explicit DialogEditInstructor(QWidget *parent = nullptr);
+    ~DialogEditInstructor();
+
+    void setInstructor(Instructor instructor);
+    Instructor getInstructor();
+
+private slots:
+    void on_editName_textChanged(const QString &arg1);
+
+    void on_editLogin_textChanged(const QString &arg1);
+
+    void on_editPassword_textChanged(const QString &arg1);
+
+private:
+    void verify();
+
+private:
+    Ui::DialogEditInstructor *ui;
+
+    Instructor instructorInput;
+};
+
+#endif // DIALOGEDITINSTRUCTOR_H

InstructorsAndTrainees/instructors/dialogeditinstructor.ui

@@ -0,0 +1,226 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>DialogEditInstructor</class>
+ <widget class="QDialog" name="DialogEditInstructor">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>300</width>
+    <height>286</height>
+   </rect>
+  </property>
+  <property name="font">
+   <font>
+    <family>Tahoma</family>
+    <pointsize>10</pointsize>
+   </font>
+  </property>
+  <property name="windowTitle">
+   <string>Instructor</string>
+  </property>
+  <layout class="QGridLayout" name="gridLayout">
+   <item row="0" column="0">
+    <layout class="QVBoxLayout" name="verticalLayout">
+     <item>
+      <layout class="QHBoxLayout" name="horizontalLayout">
+       <item>
+        <layout class="QVBoxLayout" name="verticalLayout_2">
+         <item>
+          <widget class="QLabel" name="label_2">
+           <property name="font">
+            <font>
+             <pointsize>10</pointsize>
+            </font>
+           </property>
+           <property name="text">
+            <string>Name</string>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <widget class="QLabel" name="label_3">
+           <property name="font">
+            <font>
+             <pointsize>10</pointsize>
+            </font>
+           </property>
+           <property name="text">
+            <string>Login</string>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <widget class="QLabel" name="label_4">
+           <property name="font">
+            <font>
+             <pointsize>10</pointsize>
+            </font>
+           </property>
+           <property name="text">
+            <string>Password</string>
+           </property>
+          </widget>
+         </item>
+        </layout>
+       </item>
+       <item>
+        <layout class="QVBoxLayout" name="verticalLayout_3">
+         <item>
+          <widget class="QLineEdit" name="editName">
+           <property name="enabled">
+            <bool>true</bool>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <widget class="QLineEdit" name="editLogin"/>
+         </item>
+         <item>
+          <widget class="QLineEdit" name="editPassword"/>
+         </item>
+        </layout>
+       </item>
+      </layout>
+     </item>
+     <item>
+      <layout class="QHBoxLayout" name="horizontalLayout_5">
+       <item>
+        <widget class="QCheckBox" name="checkIsAdmin">
+         <property name="enabled">
+          <bool>false</bool>
+         </property>
+         <property name="font">
+          <font>
+           <pointsize>10</pointsize>
+          </font>
+         </property>
+         <property name="text">
+          <string>Administrator</string>
+         </property>
+         <property name="icon">
+          <iconset resource="../resources.qrc">
+           <normaloff>:/resources/icons/admin.png</normaloff>
+           <disabledoff>:/resources/icons/admin.png</disabledoff>:/resources/icons/admin.png</iconset>
+         </property>
+         <property name="checkable">
+          <bool>true</bool>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </item>
+     <item>
+      <layout class="QHBoxLayout" name="horizontalLayout_4">
+       <item>
+        <widget class="QCheckBox" name="checkArchived">
+         <property name="enabled">
+          <bool>false</bool>
+         </property>
+         <property name="font">
+          <font>
+           <pointsize>10</pointsize>
+          </font>
+         </property>
+         <property name="text">
+          <string>Archived</string>
+         </property>
+         <property name="icon">
+          <iconset resource="../resources.qrc">
+           <normaloff>:/resources/icons/archive.png</normaloff>
+           <disabledoff>:/resources/icons/archive.png</disabledoff>:/resources/icons/archive.png</iconset>
+         </property>
+         <property name="checkable">
+          <bool>true</bool>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </item>
+     <item>
+      <layout class="QHBoxLayout" name="horizontalLayout_7">
+       <item>
+        <widget class="QCheckBox" name="checkLoggedIn">
+         <property name="enabled">
+          <bool>false</bool>
+         </property>
+         <property name="font">
+          <font>
+           <pointsize>10</pointsize>
+          </font>
+         </property>
+         <property name="text">
+          <string>Logged</string>
+         </property>
+         <property name="icon">
+          <iconset resource="../resources.qrc">
+           <normaloff>:/resources/icons/circleGreen.png</normaloff>
+           <disabledoff>:/resources/icons/circleGreen.png</disabledoff>:/resources/icons/circleGreen.png</iconset>
+         </property>
+         <property name="checkable">
+          <bool>true</bool>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </item>
+    </layout>
+   </item>
+   <item row="1" column="0">
+    <widget class="QDialogButtonBox" name="buttonBox">
+     <property name="font">
+      <font>
+       <pointsize>10</pointsize>
+      </font>
+     </property>
+     <property name="locale">
+      <locale language="English" country="UnitedStates"/>
+     </property>
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources>
+  <include location="../resources.qrc"/>
+ </resources>
+ <connections>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>DialogEditInstructor</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>248</x>
+     <y>254</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>157</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>rejected()</signal>
+   <receiver>DialogEditInstructor</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>316</x>
+     <y>260</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>286</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>

InstructorsAndTrainees/instructors/editorinstructors.cpp

@@ -0,0 +1,336 @@
+#include <QMessageBox>
+#include "editorinstructors.h"
+#include "dialogeditinstructor.h"
+#include "ui_editorinstructors.h"
+
+EditorInstructors::EditorInstructors(ConnectorToServer* connectorToServer, bool adminMode, QWidget *parent) :
+    InstructorsView(connectorToServer, CommonView::TypeView::control, parent),    
+    ui(new Ui::EditorInstructors)
+{
+    ui->setupUi(this);
+
+    connect(treeWidget, &QTreeWidget::currentItemChanged, this, &EditorInstructors::on_treeWidget_currentItemChanged);
+
+    ui->verticalLayout_1->addWidget(treeWidget);
+
+    this->adminMode = adminMode;
+
+    preparationTreeWidget();
+    //setNotLoggedInVisible(true);
+    loadInstructorsFromDB();
+
+    if(adminMode)
+        ui->btnArchive->click();    
+}
+
+EditorInstructors::~EditorInstructors()
+{
+    delete ui;
+}
+
+void EditorInstructors::on_btnNewInstructor_clicked()
+{
+    Instructor instructor;
+    Instructor instructor_edit;
+
+    if(editInstructor(instructor, &instructor_edit))
+       connectorToServer->sendQueryToDB(TypeQueryToDB::TYPE_QUERY_NEW_INSTRUCTOR, 0, &instructor_edit);
+
+    return;
+/*
+    if(int id_instructor = dbLMS->newInstructor())
+    {
+        loadInstructorsFromDB();
+        setCurrentInstructor(id_instructor);
+
+        DialogEditInstructor dlg(this);
+
+        Instructor instructor = dbLMS->getInstructor(id_instructor);
+        if(instructor.getID() == 0)
+            return;
+
+        dlg.setInstructor(instructor);
+
+        while (true)
+        {
+            switch( dlg.exec() )
+            {
+            case QDialog::Accepted:
+            {
+                Instructor instructor_edit = dlg.getInstructor();
+
+                if(int id_edit = dbLMS->editInstructor(instructor_edit))
+                {//Отредактировано
+                    loadInstructorsFromDB();
+                    setCurrentInstructor(id_edit);
+                    return;
+                }
+                else
+                {
+                    dlg.setInstructor(instructor_edit);
+                    continue;
+                }
+            }
+            case QDialog::Rejected:
+                dbLMS->delInstructor(id_instructor);
+                loadInstructorsFromDB();
+                return;
+            default:
+                dbLMS->delInstructor(id_instructor);
+                loadInstructorsFromDB();
+                return;
+            }
+        }
+    }
+    */
+}
+
+void EditorInstructors::on_btnDeleteInstructor_clicked()
+{
+    QTreeWidgetItem *treeItemCurrent = treeWidget->currentItem();
+
+    if(treeItemCurrent != nullptr)
+    {
+        QTreeWidgetItem *treeItemParent = treeItemCurrent->parent();
+        if(treeItemParent == nullptr)
+        {//Выбран Инструктор
+
+            int id = treeItemCurrent->text(ColumnsTreeInsructors::clmn_ID).toInt();
+
+            if(connectorToServer->isAdminInstructor(id))
+            {//Это Админ!
+                QMessageBox::critical(this, tr("Error!"), tr("You cannot delete the Administrator."));
+                return;
+            }
+
+            if(connectorToServer->isLoggedInInstructor(id))
+            {//Инструктор залогирован!
+                QMessageBox::critical(this, tr("Error!"), tr("You cannot delete a logged-in instructor."));
+                return;
+            }
+
+            if(QMessageBox::warning(this, tr("Attention!"), tr("The deletion will be irrevocable.\nDelete it anyway?"), QMessageBox::Ok, QMessageBox::Cancel) == QMessageBox::Ok)
+            {
+                connectorToServer->sendQueryToDB(TypeQueryToDB::TYPE_QUERY_DEL_INSTRUCTOR, id);
+            }
+        }
+    }
+}
+
+void EditorInstructors::on_btnToOrFromArchive_clicked()
+{
+    QTreeWidgetItem *treeItemCurrent = treeWidget->currentItem();
+
+    if(treeItemCurrent != nullptr)
+    {
+        QTreeWidgetItem *treeItemParent = treeItemCurrent->parent();
+        if(treeItemParent == nullptr)
+        {//Выбран Инструктор
+
+            int id = treeItemCurrent->text(ColumnsTreeInsructors::clmn_ID).toInt();
+
+            Instructor instructor = connectorToServer->getInstructor(id);
+            if(instructor.getID() == 0)
+                return;
+
+            if(connectorToServer->isArchivedInstructor(id))
+            {//Архивный
+                instructor.setArchived(false);
+                connectorToServer->sendQueryToDB(TypeQueryToDB::TYPE_QUERY_EDIT_INSTRUCTOR, id, &instructor);
+            }
+            else
+            {//Не Архивный
+                if(connectorToServer->isLoggedInInstructor(id))
+                {//Инструктор залогирован!
+                    QMessageBox::critical(this, tr("Error!"), tr("You cannot archive a logged-in instructor."));
+                    return;
+                }
+
+                instructor.setArchived(true);
+                connectorToServer->sendQueryToDB(TypeQueryToDB::TYPE_QUERY_EDIT_INSTRUCTOR, id, &instructor);
+                if(!archiveVisible)
+                    ui->btnArchive->click();
+                /*if(int id_edit = dbLMS->editInstructor(instructor))
+                {
+                    if(!archiveVisible)
+                        ui->btnArchive->click();
+
+                    loadInstructorsFromDB();
+                    setCurrentInstructor(id_edit);
+                }*/
+            }
+        }
+    }
+}
+
+void EditorInstructors::on_btnEdit_clicked()
+{
+    QTreeWidgetItem *treeItemCurrent = treeWidget->currentItem();
+
+    if(treeItemCurrent == nullptr)
+        return;
+
+    QTreeWidgetItem *treeItemParent = treeItemCurrent->parent();
+    if(treeItemParent == nullptr)
+    {//Выбран Инструктор
+
+        int id = treeItemCurrent->text(ColumnsTreeInsructors::clmn_ID).toInt();
+
+        if(connectorToServer->isLoggedInInstructor(id))
+        {//Инструктор залогирован!
+            QMessageBox::critical(this, tr("Error!"), tr("You cannot edit a logged-in instructor."));
+            return;
+        }
+
+        Instructor instructor = connectorToServer->getInstructor(id);
+        if(instructor.getID() == 0)
+            return;
+
+        Instructor instructor_edit;
+
+        if(editInstructor(instructor, &instructor_edit))
+            connectorToServer->sendQueryToDB(TypeQueryToDB::TYPE_QUERY_EDIT_INSTRUCTOR, id, &instructor_edit);
+    }
+}
+
+void EditorInstructors::on_btnArchive_clicked()
+{
+    bool state = ui->btnArchive->isChecked();    
+    setArchiveVisible(state);
+    if(!state)
+    {
+        lastCurrentID = 0;
+    }
+    loadInstructorsFromDB();
+}
+
+void EditorInstructors::on_treeWidget_currentItemChanged(QTreeWidgetItem *current, QTreeWidgetItem *previous)
+{
+    //Определяем доступность и функционал кнопок для выбранного элемента
+
+    if(current == nullptr)
+        return;
+
+    QTreeWidgetItem *treeItemParent = current->parent();
+    if(treeItemParent == nullptr)
+    {//Выбран инструктор
+
+        int id = current->text(ColumnsTreeInsructors::clmn_ID).toInt();
+
+        lastCurrentID = id;
+
+        if(connectorToServer->isArchivedInstructor(id))
+        {//Архивный
+            ui->btnToOrFromArchive->setText(tr("From archive"));
+            ui->btnToOrFromArchive->setIcon(QIcon(QStringLiteral(":/resources/icons/instructorFromArchive.png")));
+        }
+        else
+        {//Не Архивный
+            ui->btnToOrFromArchive->setText(tr("To archive"));
+            ui->btnToOrFromArchive->setIcon(QIcon(QStringLiteral(":/resources/icons/instructorArchive.png")));
+        }
+
+        ui->btnNewInstructor->setEnabled(true);        
+
+        if(connectorToServer->isAdminInstructor(id) || connectorToServer->isLoggedInInstructor(id))
+        {//Это Админ или залогированный! Удалять/Архивировать/Редактировать нельзя!
+            ui->btnDeleteInstructor->setEnabled(false);
+            ui->btnToOrFromArchive->setEnabled(false);
+            ui->btnEdit->setEnabled(false);
+        }
+        else
+        {
+            ui->btnToOrFromArchive->setEnabled(true);
+
+            if(connectorToServer->isArchivedInstructor(id))
+                ui->btnDeleteInstructor->setEnabled(true);
+            else
+                ui->btnDeleteInstructor->setEnabled(false);
+
+            ui->btnEdit->setEnabled(true);
+        }
+
+        //ui->btnEdit->setEnabled(true);
+        ui->btnArchive->setEnabled(true);
+    }
+}
+
+bool EditorInstructors::verifyInstructor(Instructor instructor)
+{
+    //Проверка корректности логина, имени, пароля
+
+    if(instructor.getName() == QStringLiteral("<instructor>"))
+    {//Имя не корректно!
+        QMessageBox::critical(this, tr("Editing error!"),
+                              tr("Unacceptable instructor name has been entered.\nThe changes will not be accepted."));
+        return false;
+    }
+
+    if(instructor.getLogin() == QStringLiteral("<login>"))
+    {//Логин не корректен!
+        QMessageBox::critical(this, tr("Editing error!"),
+                              tr("Unacceptable instructor login has been entered.\nThe changes will not be accepted."));
+        return false;
+    }
+
+    if(instructor.getPassword() == QStringLiteral("<password>"))
+    {//Пароль не корректный!
+        QMessageBox::critical(this, tr("Editing error!"),
+                              tr("Unacceptable instructor password has been entered.\nThe changes will not be accepted."));
+        return false;
+    }
+
+
+    QList<Instructor> listInstructors = connectorToServer->getListInstructors();
+
+    for(Instructor exist_instructor : listInstructors)
+    {
+        if(instructor.getName() == exist_instructor.getName() && instructor.getID() != exist_instructor.getID())
+        {//Имя уже существует
+            QMessageBox::critical(this, tr("Editing error!"),
+                                  tr("An existing instructor name has been entered."));
+            return false;
+        }
+
+        if(instructor.getLogin() == exist_instructor.getLogin() && instructor.getID() != exist_instructor.getID())
+        {//Логин уже существует!
+            QMessageBox::critical(this, tr("Editing error!"),
+                                  tr("An existing instructor login has been entered.\nThe changes will not be accepted."));
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool EditorInstructors::editInstructor(Instructor instructor, Instructor* instructor_edit)
+{
+    DialogEditInstructor dlg(this);
+
+    dlg.setInstructor(instructor);
+
+    while (true)
+    {
+        switch( dlg.exec() )
+        {
+        case QDialog::Accepted:
+        {
+            *instructor_edit = dlg.getInstructor();
+
+            if(! verifyInstructor(*instructor_edit))
+            {
+                dlg.setInstructor(*instructor_edit);
+                continue;
+            }
+
+            return true;
+        }
+        case QDialog::Rejected:
+            return false;
+        default:
+            return false;
+        }
+    }
+}
+
+

InstructorsAndTrainees/instructors/editorinstructors.h

@@ -0,0 +1,40 @@
+#ifndef DIALOGINSTRUCTORS_H
+#define DIALOGINSTRUCTORS_H
+
+#include <QDialog>
+#include <QTreeWidget>
+#include "instructorsview.h"
+
+namespace Ui {
+class EditorInstructors;
+}
+
+//Виджет для редактирования БД Инструкторов
+
+class EditorInstructors : public InstructorsView
+{
+    Q_OBJECT
+
+public:
+    explicit EditorInstructors(ConnectorToServer* connectorToServer, bool adminMode, QWidget *parent = nullptr);
+    ~EditorInstructors();
+
+private Q_SLOTS:
+    void on_btnNewInstructor_clicked();
+    void on_btnDeleteInstructor_clicked();
+    void on_btnToOrFromArchive_clicked();
+    void on_btnEdit_clicked();
+    void on_btnArchive_clicked();
+    void on_treeWidget_currentItemChanged(QTreeWidgetItem *current, QTreeWidgetItem *previous);
+
+private:
+    //void setCurrentInstructor(int id);
+    bool verifyInstructor(Instructor instructor);
+
+    bool editInstructor(Instructor instructor, Instructor* instructor_edit);
+
+private:
+    Ui::EditorInstructors *ui;
+};
+
+#endif // DIALOGINSTRUCTORS_H

InstructorsAndTrainees/instructors/editorinstructors.ui

@@ -0,0 +1,240 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>EditorInstructors</class>
+ <widget class="QWidget" name="EditorInstructors">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>1300</width>
+    <height>800</height>
+   </rect>
+  </property>
+  <property name="font">
+   <font>
+    <family>Tahoma</family>
+    <pointsize>10</pointsize>
+   </font>
+  </property>
+  <property name="windowTitle">
+   <string>List instructors</string>
+  </property>
+  <layout class="QGridLayout" name="gridLayout_2">
+   <item row="0" column="0">
+    <layout class="QHBoxLayout" name="horizontalLayout_1">
+     <item>
+      <layout class="QVBoxLayout" name="verticalLayout_1"/>
+     </item>
+     <item>
+      <layout class="QVBoxLayout" name="verticalLayout_2">
+       <item>
+        <widget class="QToolButton" name="btnNewInstructor">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
+         <property name="minimumSize">
+          <size>
+           <width>160</width>
+           <height>55</height>
+          </size>
+         </property>
+         <property name="font">
+          <font>
+           <family>Tahoma</family>
+           <pointsize>10</pointsize>
+          </font>
+         </property>
+         <property name="text">
+          <string>New instructor</string>
+         </property>
+         <property name="icon">
+          <iconset resource="../resources.qrc">
+           <normaloff>:/resources/icons/addInstructor.png</normaloff>:/resources/icons/addInstructor.png</iconset>
+         </property>
+         <property name="iconSize">
+          <size>
+           <width>32</width>
+           <height>32</height>
+          </size>
+         </property>
+         <property name="toolButtonStyle">
+          <enum>Qt::ToolButtonTextUnderIcon</enum>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QToolButton" name="btnDeleteInstructor">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
+         <property name="minimumSize">
+          <size>
+           <width>160</width>
+           <height>55</height>
+          </size>
+         </property>
+         <property name="font">
+          <font>
+           <family>Tahoma</family>
+           <pointsize>10</pointsize>
+          </font>
+         </property>
+         <property name="text">
+          <string>Delete instructor</string>
+         </property>
+         <property name="icon">
+          <iconset resource="../resources.qrc">
+           <normaloff>:/resources/icons/deleteInstructor.png</normaloff>:/resources/icons/deleteInstructor.png</iconset>
+         </property>
+         <property name="iconSize">
+          <size>
+           <width>32</width>
+           <height>32</height>
+          </size>
+         </property>
+         <property name="toolButtonStyle">
+          <enum>Qt::ToolButtonTextUnderIcon</enum>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QToolButton" name="btnToOrFromArchive">
+         <property name="minimumSize">
+          <size>
+           <width>160</width>
+           <height>55</height>
+          </size>
+         </property>
+         <property name="font">
+          <font>
+           <family>Tahoma</family>
+           <pointsize>10</pointsize>
+          </font>
+         </property>
+         <property name="text">
+          <string>To archive</string>
+         </property>
+         <property name="icon">
+          <iconset resource="../resources.qrc">
+           <normaloff>:/resources/icons/instructorArchive.png</normaloff>:/resources/icons/instructorArchive.png</iconset>
+         </property>
+         <property name="iconSize">
+          <size>
+           <width>32</width>
+           <height>32</height>
+          </size>
+         </property>
+         <property name="toolButtonStyle">
+          <enum>Qt::ToolButtonTextUnderIcon</enum>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QToolButton" name="btnEdit">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
+         <property name="minimumSize">
+          <size>
+           <width>160</width>
+           <height>55</height>
+          </size>
+         </property>
+         <property name="font">
+          <font>
+           <family>Tahoma</family>
+           <pointsize>10</pointsize>
+          </font>
+         </property>
+         <property name="text">
+          <string>Edit</string>
+         </property>
+         <property name="icon">
+          <iconset resource="../resources.qrc">
+           <normaloff>:/resources/icons/edit.png</normaloff>:/resources/icons/edit.png</iconset>
+         </property>
+         <property name="iconSize">
+          <size>
+           <width>32</width>
+           <height>32</height>
+          </size>
+         </property>
+         <property name="toolButtonStyle">
+          <enum>Qt::ToolButtonTextUnderIcon</enum>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <spacer name="verticalSpacer">
+         <property name="orientation">
+          <enum>Qt::Vertical</enum>
+         </property>
+         <property name="sizeHint" stdset="0">
+          <size>
+           <width>20</width>
+           <height>40</height>
+          </size>
+         </property>
+        </spacer>
+       </item>
+       <item>
+        <widget class="QToolButton" name="btnArchive">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
+         <property name="minimumSize">
+          <size>
+           <width>160</width>
+           <height>55</height>
+          </size>
+         </property>
+         <property name="font">
+          <font>
+           <family>Tahoma</family>
+           <pointsize>10</pointsize>
+          </font>
+         </property>
+         <property name="text">
+          <string>Show archive</string>
+         </property>
+         <property name="icon">
+          <iconset resource="../resources.qrc">
+           <normaloff>:/resources/icons/archive.png</normaloff>:/resources/icons/archive.png</iconset>
+         </property>
+         <property name="iconSize">
+          <size>
+           <width>32</width>
+           <height>32</height>
+          </size>
+         </property>
+         <property name="checkable">
+          <bool>true</bool>
+         </property>
+         <property name="toolButtonStyle">
+          <enum>Qt::ToolButtonTextUnderIcon</enum>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <resources>
+  <include location="../resources.qrc"/>
+ </resources>
+ <connections/>
+</ui>

InstructorsAndTrainees/instructors/instructorsview.cpp

@@ -0,0 +1,203 @@
+#include <QHeaderView>
+#include <QTranslator>
+#include "instructorsview.h"
+
+InstructorsView::InstructorsView(ConnectorToServer* connectorToServer, TypeView type, QWidget *parent):
+    CommonView(connectorToServer, type, parent)
+{
+    typeObject = TypeObject::objInstructor;
+}
+
+void InstructorsView::slot_NeedUpdateUI(bool treeInstructor, bool treeTrainee)
+{
+    if(typeView == TypeView::onlyView)
+    {
+        if(adminMode)
+            archiveVisible = false;
+        else
+            archiveVisible = false;
+    }
+    else
+    {
+        archiveVisible = true;
+    }
+
+    if(adminMode)
+    {
+        treeWidget->setColumnHidden(ColumnsTreeInsructors::clmn_ID, false);
+        treeWidget->setColumnHidden(ColumnsTreeInsructors::clmn_Archived, false);
+    }
+    else
+    {
+        treeWidget->setColumnHidden(ColumnsTreeInsructors::clmn_ID, true);
+        treeWidget->setColumnHidden(ColumnsTreeInsructors::clmn_Archived, true);
+    }
+
+    updateButtons();
+
+    if(treeInstructor)
+        loadInstructorsFromDB();
+}
+
+void InstructorsView::preparationTreeWidget()
+{
+    mtxTreeWidget.lock();
+
+    treeWidget->setColumnCount(7);
+
+    reSetHeadTreeWidget();
+
+    treeWidget->setColumnWidth(ColumnsTreeInsructors::clmn_ID, 50);
+    treeWidget->setColumnWidth(ColumnsTreeInsructors::clmn_Instructor, 250);
+    treeWidget->setColumnWidth(ColumnsTreeInsructors::clmn_Login, 100);
+    treeWidget->setColumnWidth(ColumnsTreeInsructors::clmn_Password, 100);
+    treeWidget->setColumnWidth(ColumnsTreeInsructors::clmn_Administrator, 100);
+    treeWidget->setColumnWidth(ColumnsTreeInsructors::clmn_Archived, 100);
+    treeWidget->setColumnWidth(ColumnsTreeInsructors::clmn_Logged, 100);
+
+    if(typeView == TypeView::onlyView)
+    {//onlyView
+        treeWidget->setColumnHidden(ColumnsTreeInsructors::clmn_ID, true);
+        //treeWidget->setColumnHidden(ColumnsTreeInsructors::clmn_Login, true);
+        treeWidget->setColumnHidden(ColumnsTreeInsructors::clmn_Password, true);
+        treeWidget->setColumnHidden(ColumnsTreeInsructors::clmn_Archived, true);
+        treeWidget->setColumnHidden(ColumnsTreeInsructors::clmn_Administrator, true);
+
+        if(adminMode)
+            archiveVisible = false;
+        else
+            archiveVisible = false;
+
+        notLoggedInVisible = true;        
+    }
+    else
+    {//control
+        archiveVisible = true;
+        notLoggedInVisible = true;
+
+        if(adminMode)
+        {
+
+        }
+        else
+        {
+            treeWidget->setColumnHidden(ColumnsTreeInsructors::clmn_ID, true);
+            treeWidget->setColumnHidden(ColumnsTreeInsructors::clmn_Archived, true);
+        }
+    }
+
+    treeWidget->setSortingEnabled(true);
+    treeWidget->sortItems(ColumnsTreeInsructors::clmn_Instructor, Qt::SortOrder::AscendingOrder);
+
+    mtxTreeWidget.unlock();
+}
+
+void InstructorsView::loadInstructorsFromDB()
+{
+    mtxTreeWidget.lock();
+
+    //Обновление дерева
+    treeWidget->clear();
+
+    //Инструкторы
+    QList<Instructor> listInstructors;
+
+    listInstructors = connectorToServer->getListInstructors();
+
+    for(Instructor instructor : listInstructors)
+    {
+        QTreeWidgetItem *ItemInstructor = new QTreeWidgetItem(treeWidget);
+
+        ItemInstructor->setText(ColumnsTreeInsructors::clmn_ID, QString::number(instructor.getID()));
+        ItemInstructor->setText(ColumnsTreeInsructors::clmn_Instructor, instructor.getName());
+        ItemInstructor->setText(ColumnsTreeInsructors::clmn_Login, instructor.getLogin());
+        ItemInstructor->setText(ColumnsTreeInsructors::clmn_Password, instructor.getPassword());
+
+        //Сокрытие пароля
+        if(!adminMode)
+            ItemInstructor->setText(ColumnsTreeInsructors::clmn_Password, QStringLiteral("******"));
+
+        if(instructor.getArchived())
+        {//Архивный
+            ItemInstructor->setText(ColumnsTreeInsructors::clmn_Archived, tr("yes"));
+            ItemInstructor->setIcon(ColumnsTreeInsructors::clmn_Instructor, QIcon(QStringLiteral(":/resources/icons/archive.png")));
+            setItemColorArchive(ItemInstructor);
+        }
+        else
+        {//Не Архивный
+            ItemInstructor->setText(ColumnsTreeInsructors::clmn_Archived, tr("no"));
+            ItemInstructor->setIcon(ColumnsTreeInsructors::clmn_Instructor, QIcon(QStringLiteral(":/resources/icons/instructor.png")));
+            setItemColorNoArchive(ItemInstructor);
+        }
+
+        if(instructor.getIsAdmin())
+        {//Админ
+            ItemInstructor->setText(ColumnsTreeInsructors::clmn_Administrator, tr("yes"));
+            ItemInstructor->setIcon(ColumnsTreeInsructors::clmn_Instructor, QIcon(QStringLiteral(":/resources/icons/admin.png")));
+        }
+        else
+        {//Не Админ
+            ItemInstructor->setText(ColumnsTreeInsructors::clmn_Administrator, tr("no"));
+        }
+
+        if(instructor.getLoggedIn())
+        {//Залогинен
+            ItemInstructor->setText(ColumnsTreeInsructors::clmn_Logged, tr("yes"));
+            ItemInstructor->setIcon(ColumnsTreeInsructors::clmn_Logged, QIcon(QStringLiteral(":/resources/icons/circleGreen.png")));
+        }
+        else
+        {//Не Залогинен
+            ItemInstructor->setText(ColumnsTreeInsructors::clmn_Logged, tr("no"));
+            ItemInstructor->setIcon(ColumnsTreeInsructors::clmn_Logged, QIcon(QStringLiteral(":/resources/icons/circleGray.png")));
+        }
+
+        //Скрываем архивных (при необходимости)
+        if(instructor.getArchived())
+            if(! archiveVisible)
+                ItemInstructor->setHidden(true);
+
+        //Скрываем незалогиненых (при необходимости)
+        if(! instructor.getLoggedIn())
+            if(! notLoggedInVisible)
+                ItemInstructor->setHidden(true);
+    }
+
+    treeWidget->expandAll();
+
+    /*
+    //if(typeView == TypeView::control)
+    {
+        QTreeWidgetItem * item = treeWidget->topLevelItem(0);
+        if(item != nullptr)
+            treeWidget->setCurrentItem(item);
+    }*/
+
+    setCurrentInstructor(lastCurrentID);
+
+    mtxTreeWidget.unlock();
+}
+
+void InstructorsView::reSetHeadTreeWidget()
+{
+    QStringList listHeaders = {tr("Instructor"), tr("Login"), tr("Password"), tr("Administrator"), tr("Archived"), tr("Logged"), tr("ID")};
+    treeWidget->setHeaderLabels(listHeaders);
+}
+
+void InstructorsView::setCurrentInstructor(int id)
+{
+    for(int i = 0; i < treeWidget->topLevelItemCount(); i++)
+    {
+        QTreeWidgetItem * item = treeWidget->topLevelItem(i);
+        if(item != nullptr)
+            if(item->text(ColumnsTreeInsructors::clmn_ID).toInt() == id)
+            {
+                treeWidget->setCurrentItem(item);
+                return;
+            }
+    }
+
+    QTreeWidgetItem * item = treeWidget->topLevelItem(0);
+    if(item != nullptr)
+        treeWidget->setCurrentItem(item);
+}
+

InstructorsAndTrainees/instructors/instructorsview.h

@@ -0,0 +1,41 @@
+#ifndef INSTRUCTORSVIEW_H
+#define INSTRUCTORSVIEW_H
+
+#include "instructorsAndTrainees_global.h"
+#include "commonview.h"
+
+//Родительский класс представления БД Инструкторов (для просмотра и управления)
+
+class InstructorsView: public CommonView
+{
+    Q_OBJECT
+
+public:
+    InstructorsView(ConnectorToServer* connectorToServer, TypeView type, QWidget *parent = nullptr);
+
+protected:
+    enum ColumnsTreeInsructors{
+        clmn_Instructor = 0,
+        clmn_Login,
+        clmn_Password,
+        clmn_Administrator,
+        clmn_Archived,
+        clmn_Logged,
+        clmn_ID
+    };
+
+public Q_SLOTS:
+    //Слот обработки сигнала необходимости обновления интерфейса
+    void slot_NeedUpdateUI(bool treeInstructor, bool treeTrainee);
+
+protected:
+    virtual void updateButtons(){};
+    void preparationTreeWidget();
+    void loadInstructorsFromDB();
+
+    void reSetHeadTreeWidget();
+
+    void setCurrentInstructor(int id);
+};
+
+#endif // INSTRUCTORSVIEW_H

InstructorsAndTrainees/instructors/viewerinstructors.cpp

@@ -0,0 +1,68 @@
+#include <QMessageBox>
+#include "editorinstructors.h"
+#include "viewerinstructors.h"
+#include "ui_viewerinstructors.h"
+
+ViewerInstructors::ViewerInstructors(ConnectorToServer* connectorToServer, QWidget *parent) :
+    InstructorsView(connectorToServer, CommonView::TypeView::onlyView, parent),
+    ui(new Ui::ViewerInstructors)
+{
+    ui->setupUi(this);
+
+    ui->horizontalLayout_1->addWidget(treeWidget);
+
+    treeWidget->setSelectionMode(QAbstractItemView::NoSelection);
+
+    preparationTreeWidget();
+    setNotLoggedInVisible(true);
+}
+
+ViewerInstructors::~ViewerInstructors()
+{
+    delete ui;
+}
+
+void ViewerInstructors::changeEvent(QEvent *event)
+{
+    // В случае получения события изменения языка приложения
+    if (event->type() == QEvent::LanguageChange)
+    {// переведём окно заново
+        ui->retranslateUi(this);
+
+        reSetHeadTreeWidget();
+        //loadInstructorsFromDB();
+        slot_NeedUpdateUI(true, false);
+    }
+}
+
+void ViewerInstructors::on_btnEditorInstructors_clicked()
+{
+    Q_EMIT signal_BlockAutorization(true);
+
+    EditorInstructors editorInstructors(connectorToServer, adminMode);
+    connect(connectorToServer, &ConnectorToServer::signal_UpdateDB, &editorInstructors, &EditorInstructors::slot_NeedUpdateUI);
+
+    QDialog* dialog = new QDialog(this);
+    QHBoxLayout *layout = new QHBoxLayout(dialog);
+    layout->addWidget(&editorInstructors);
+    dialog->setWindowTitle(tr("Editor of instructors"));
+    dialog->setMinimumSize(1600, 800);
+    dialog->setStyleSheet(this->styleSheet());
+    dialog->exec();
+
+    loadInstructorsFromDB();
+
+    Q_EMIT signal_BlockAutorization(false);
+}
+
+void ViewerInstructors::updateButtons()
+{
+    if(adminMode && authComplited)
+    {
+        ui->btnEditorInstructors->setEnabled(true);
+    }
+    else
+    {
+        ui->btnEditorInstructors->setEnabled(false);
+    }
+}

InstructorsAndTrainees/instructors/viewerinstructors.h

@@ -0,0 +1,37 @@
+#ifndef INSTRUCTORSWIDGET_H
+#define INSTRUCTORSWIDGET_H
+
+#include "instructorsview.h"
+
+namespace Ui {
+class ViewerInstructors;
+}
+
+//Виджет только для просмотра БД Инструкторов
+
+class ViewerInstructors : public InstructorsView
+{
+    Q_OBJECT
+
+public:
+    explicit ViewerInstructors(ConnectorToServer* connectorToServer, QWidget *parent = nullptr);
+    ~ViewerInstructors();
+
+protected:
+    void changeEvent(QEvent * event) override;
+
+Q_SIGNALS:
+    //сигнал о блокировке авторизации
+    void signal_BlockAutorization(bool block);
+
+private Q_SLOTS:
+    void on_btnEditorInstructors_clicked();
+
+private:
+    void updateButtons() override;
+
+private:
+    Ui::ViewerInstructors *ui;
+};
+
+#endif // INSTRUCTORSWIDGET_H

InstructorsAndTrainees/instructors/viewerinstructors.ui

@@ -0,0 +1,100 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>ViewerInstructors</class>
+ <widget class="QWidget" name="ViewerInstructors">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>300</height>
+   </rect>
+  </property>
+  <property name="font">
+   <font>
+    <family>Tahoma</family>
+    <pointsize>10</pointsize>
+   </font>
+  </property>
+  <property name="windowTitle">
+   <string>Instructors</string>
+  </property>
+  <layout class="QGridLayout" name="gridLayout">
+   <item row="0" column="0">
+    <layout class="QHBoxLayout" name="horizontalLayout_0">
+     <item>
+      <widget class="QGroupBox" name="groupBox">
+       <property name="font">
+        <font>
+         <pointsize>10</pointsize>
+        </font>
+       </property>
+       <property name="title">
+        <string>Instructors</string>
+       </property>
+       <layout class="QGridLayout" name="gridLayout_2">
+        <item row="0" column="0">
+         <layout class="QVBoxLayout" name="verticalLayout">
+          <item>
+           <layout class="QHBoxLayout" name="horizontalLayout_1"/>
+          </item>
+          <item>
+           <layout class="QHBoxLayout" name="horizontalLayout_2">
+            <item>
+             <spacer name="horizontalSpacer">
+              <property name="orientation">
+               <enum>Qt::Horizontal</enum>
+              </property>
+              <property name="sizeHint" stdset="0">
+               <size>
+                <width>40</width>
+                <height>20</height>
+               </size>
+              </property>
+             </spacer>
+            </item>
+            <item>
+             <widget class="QToolButton" name="btnEditorInstructors">
+              <property name="enabled">
+               <bool>false</bool>
+              </property>
+              <property name="minimumSize">
+               <size>
+                <width>130</width>
+                <height>58</height>
+               </size>
+              </property>
+              <property name="text">
+               <string>Editor of Instructors</string>
+              </property>
+              <property name="icon">
+               <iconset resource="../resources.qrc">
+                <normaloff>:/resources/icons/DB-instructors.png</normaloff>:/resources/icons/DB-instructors.png</iconset>
+              </property>
+              <property name="iconSize">
+               <size>
+                <width>32</width>
+                <height>32</height>
+               </size>
+              </property>
+              <property name="toolButtonStyle">
+               <enum>Qt::ToolButtonTextUnderIcon</enum>
+              </property>
+             </widget>
+            </item>
+           </layout>
+          </item>
+         </layout>
+        </item>
+       </layout>
+      </widget>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <resources>
+  <include location="../resources.qrc"/>
+ </resources>
+ <connections/>
+</ui>