From 22936f2a3f949820ef9a5c168e91f6d1c4ea3d94 Mon Sep 17 00:00:00 2001
From: Josef Rokos <pepa@bukova.info>
Date: Wed, 23 May 2018 13:10:58 +0200
Subject: [PATCH] Added support for dashboard.

---
 application/mainwindow.cpp | 94 +++++++++++++++++++++++++++++++++-----
 application/mainwindow.h   |  6 +++
 application/mainwindow.ui  | 85 ++++++++++++++++++++++++++++++++--
 application/style.css      |  4 ++
 core/core.h                |  1 +
 core/core.pro              |  3 +-
 core/idashboardwidget.h    | 10 ++++
 core/iplugin.h             |  5 ++
 8 files changed, 191 insertions(+), 17 deletions(-)
 create mode 100644 core/idashboardwidget.h

diff --git a/application/mainwindow.cpp b/application/mainwindow.cpp
index e7327da..e7ea1ff 100644
--- a/application/mainwindow.cpp
+++ b/application/mainwindow.cpp
@@ -19,6 +19,8 @@ MainWindow::MainWindow(QWidget *parent) :
 
     m_loginDialog = new LoginDialog(this);
 
+    ui->tabWidget->setVisible(false);
+
     QFile styleFile(":/style.css");
 
     if (styleFile.open(QIODevice::ReadOnly | QIODevice::Text))
@@ -29,9 +31,10 @@ MainWindow::MainWindow(QWidget *parent) :
     connect(m_loginDialog, &LoginDialog::accepted, [this]{
         PermissionService service;
         QSharedPointer<User> u = service.loadUser(m_loginDialog->login());
-        m_lblUser->setText(u->name());
-        m_loginDialog->reset();
         Context::instance().setCurrentUser(u);
+
+        openDashboard();
+        m_loginDialog->reset();
     });
 
     connect(m_loginDialog, &LoginDialog::rejected, [this]{
@@ -86,11 +89,8 @@ void MainWindow::openPlugin()
 
 void MainWindow::on_actionOpen_database_triggered()
 {
-    int tabCount = ui->tabWidget->count();
-    for (int i = 0; i < tabCount; i++)
-    {
-        ui->tabWidget->removeTab(0);
-    }
+    closaAllTabs();
+    closeDashboard();
 
     QString dbFile = QFileDialog::getOpenFileName(this, "Open Database", "", "Database Files (*.db)");
     if (!dbFile.isEmpty())
@@ -104,15 +104,20 @@ void MainWindow::on_actionOpen_database_triggered()
 void MainWindow::on_tabWidget_tabCloseRequested(int index)
 {
     ui->tabWidget->removeTab(index);
+
+    if (ui->tabWidget->count() == 0)
+    {
+        ui->dashboard->setVisible(true);
+        ui->tabWidget->setVisible(false);
+
+        refreshDashboard();
+    }
 }
 
 void MainWindow::on_actionLogin_triggered()
 {
-    int tabCount = ui->tabWidget->count();
-    for (int i = 0; i < tabCount; i++)
-    {
-        ui->tabWidget->removeTab(0);
-    }
+    closaAllTabs();
+    closeDashboard();
 
     QSharedPointer<User> u;
     Context::instance().setCurrentUser(u);
@@ -153,6 +158,9 @@ void MainWindow::on_actionPost_register_triggered()
 
 void MainWindow::openPlugin(IPlugin *plugin)
 {
+    ui->tabWidget->setVisible(true);
+    ui->dashboard->setVisible(false);
+
     for (int i = 0; i < ui->tabWidget->count(); i++) {
         if (ui->tabWidget->widget(i)->objectName() == plugin->pluginId()) {
             ui->tabWidget->setCurrentIndex(i);
@@ -179,6 +187,68 @@ void MainWindow::on_actionCountry_register_triggered()
 
 }
 
+void MainWindow::closeDashboard()
+{
+    foreach (QFrame *dbFrame, m_dbWidgets) {
+        dbFrame->setVisible(false);
+    }
+}
+
+void MainWindow::openDashboard()
+{
+    PermissionEvaluator permEv;
+
+    foreach (IPlugin *plugin, Context::instance().plugins()) {
+        if (!plugin->dasboardWidgets().isEmpty()
+                && permEv.hasPermission(plugin->pluginId(), PERM_READ)) {
+            foreach (QFrame *frame, plugin->dasboardWidgets()) {
+                if (m_dbWidgets.contains(frame))
+                {
+                    frame->setVisible(true);
+                }
+                else
+                {
+                    ui->dbWidget->layout()->addWidget(frame);
+                    m_dbWidgets.append(frame);
+                }
+            }
+        }
+    }
+
+    if (!Context::instance().currentUser().isNull())
+    {
+        m_lblUser->setText(Context::instance().currentUser()->name());
+        ui->labelUser->setText(Context::instance().currentUser()->name());
+    }
+
+    refreshDashboard();
+}
+
+void MainWindow::refreshDashboard()
+{
+    foreach (QFrame *frame, m_dbWidgets) {
+        IDashboardWidget *dbWidget = dynamic_cast<IDashboardWidget*>(frame);
+
+        if (dbWidget != nullptr)
+        {
+            dbWidget->refresh();
+        }
+    }
+}
+
+void MainWindow::closaAllTabs()
+{
+    ui->tabWidget->setVisible(false);
+    ui->dashboard->setVisible(true);
+
+    int tabCount = ui->tabWidget->count();
+    for (int i = 0; i < tabCount; i++)
+    {
+        ui->tabWidget->removeTab(0);
+    }
+}
+
+
 void MainWindow::on_actionAbout_Qt_triggered()
 {
     QMessageBox::aboutQt(this);
diff --git a/application/mainwindow.h b/application/mainwindow.h
index 717f073..1afc806 100644
--- a/application/mainwindow.h
+++ b/application/mainwindow.h
@@ -47,7 +47,13 @@ private:
     Ui::MainWindow *ui;
     LoginDialog *m_loginDialog;
     QLabel *m_lblUser;
+    QList<QFrame*> m_dbWidgets;
+
     void openPlugin(IPlugin *plugin);
+    void closeDashboard();
+    void openDashboard();
+    void refreshDashboard();
+    void closaAllTabs();
 
     // QWidget interface
 protected:
diff --git a/application/mainwindow.ui b/application/mainwindow.ui
index 886c2be..a96634f 100644
--- a/application/mainwindow.ui
+++ b/application/mainwindow.ui
@@ -11,7 +11,7 @@
    </rect>
   </property>
   <property name="windowTitle">
-   <string>MainWindow</string>
+   <string>Prodejna</string>
   </property>
   <property name="windowIcon">
    <iconset resource="appRc.qrc">
@@ -52,6 +52,83 @@
       </property>
      </widget>
     </item>
+    <item>
+     <widget class="QWidget" name="dashboard" native="true">
+      <property name="sizePolicy">
+       <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+        <horstretch>0</horstretch>
+        <verstretch>0</verstretch>
+       </sizepolicy>
+      </property>
+      <layout class="QGridLayout" name="gridLayout">
+       <item row="0" column="0">
+        <widget class="QWidget" name="dbWidget" native="true">
+         <layout class="QVBoxLayout" name="verticalLayout">
+          <item>
+           <widget class="QWidget" name="widget" native="true">
+            <layout class="QHBoxLayout" name="horizontalLayout_2">
+             <item>
+              <widget class="QLabel" name="label">
+               <property name="text">
+                <string/>
+               </property>
+               <property name="pixmap">
+                <pixmap resource="appRc.qrc">:/icons/login_32.png</pixmap>
+               </property>
+              </widget>
+             </item>
+             <item>
+              <widget class="QLabel" name="labelUser">
+               <property name="text">
+                <string/>
+               </property>
+              </widget>
+             </item>
+             <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>
+            </layout>
+           </widget>
+          </item>
+         </layout>
+        </widget>
+       </item>
+       <item row="1" column="0">
+        <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 row="2" column="0">
+        <widget class="QLabel" name="label_2">
+         <property name="text">
+          <string>Prodejna 2.0</string>
+         </property>
+         <property name="alignment">
+          <set>Qt::AlignCenter</set>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </widget>
+    </item>
    </layout>
   </widget>
   <widget class="QMenuBar" name="menuBar">
@@ -60,7 +137,7 @@
      <x>0</x>
      <y>0</y>
      <width>1000</width>
-     <height>25</height>
+     <height>20</height>
     </rect>
    </property>
    <widget class="QMenu" name="menuFile">
@@ -144,12 +221,12 @@
   </action>
   <action name="actionAbout">
    <property name="text">
-    <string>About</string>
+    <string>&amp;About</string>
    </property>
   </action>
   <action name="actionAbout_Qt">
    <property name="text">
-    <string>About Qt</string>
+    <string>About &amp;Qt</string>
    </property>
   </action>
  </widget>
diff --git a/application/style.css b/application/style.css
index b099ec7..b06b460 100644
--- a/application/style.css
+++ b/application/style.css
@@ -21,3 +21,7 @@
     min-width: 90px;
     font: 10pt;
 }
+
+#dashboard {
+    background-color: qlineargradient(spread:pad, x1:0.507, y1:1, x2:0.518, y2:0.291, stop:0 rgba(83, 145, 169, 255), stop:1 rgba(255, 255, 255, 255));
+}
diff --git a/core/core.h b/core/core.h
index 01ffc69..6741588 100644
--- a/core/core.h
+++ b/core/core.h
@@ -14,5 +14,6 @@
 #include "enums.h"
 #include "objectbinder.h"
 #include "helper.h"
+#include "idashboardwidget.h"
 
 #endif // CORE_H
diff --git a/core/core.pro b/core/core.pro
index 721cacb..f4381e8 100644
--- a/core/core.pro
+++ b/core/core.pro
@@ -134,7 +134,8 @@ HEADERS += core.h\
     importdialog.h \
     importprogress.h \
     reporting/variablefiller.h \
-    helper.h
+    helper.h \
+    idashboardwidget.h
 
 unix {
     target.path = /usr/lib
diff --git a/core/idashboardwidget.h b/core/idashboardwidget.h
new file mode 100644
index 0000000..ead363f
--- /dev/null
+++ b/core/idashboardwidget.h
@@ -0,0 +1,10 @@
+#ifndef IDASHBOARDWIDGET_H
+#define IDASHBOARDWIDGET_H
+
+class IDashboardWidget
+{
+public:
+    virtual void refresh() = 0;
+};
+
+#endif // IDASHBOARDWIDGET_H
diff --git a/core/iplugin.h b/core/iplugin.h
index b8f620f..83f46e2 100644
--- a/core/iplugin.h
+++ b/core/iplugin.h
@@ -70,6 +70,10 @@ public:
         return filled ? m_ui : NULL;
     }
 
+    QList<QFrame*> dasboardWidgets() {
+        return m_dashboardWidgets;
+    }
+
     virtual QWidget *settingsUi() {
         return m_settingsUi;
     }
@@ -103,6 +107,7 @@ protected:
     QWidget *m_settingsUi;
     IService *m_service;
     QMap<QString, QString> m_translations;
+    QList<QFrame*> m_dashboardWidgets;
 };
 
 #define PluginInterface_iid "cz.itsolved.prodejna.IPlugin"