Improved plugin initialization. Added delete feature.

core/gridform.h

@@ -2,6 +2,7 @@
 #define GRIDFORM_H
 
 #include <QWidget>
+#include <QMessageBox>
 
 #include "autoform.h"
 #include "autotablemodel.h"
@@ -31,10 +32,16 @@ public:
         Q_ASSERT(m_form == NULL);
 
         m_form = form;
-        //m_form->setParent(this);
 
-        connect(m_form, SIGNAL(recordAdded()), this, SLOT(saveNew()));
-        connect(m_form, SIGNAL(recordUpdated()), this, SLOT(saveUpdate()));
+        connect(m_form, &IForm::recordAdded, [this](){
+            service()->save(m_form->entity());
+            m_tableModel->addRow(m_form->entity());
+            emit dataChanged();
+        });
+        connect(m_form, &IForm::recordUpdated, [this](){
+            service()->update(m_form->entity());
+            emit dataChanged();
+        });
     }
 
     void setTableModel(AutoTableModel<T> *tableModel) {
@@ -59,18 +66,6 @@ public slots:
         tableView()->setModel(m_tableModel);
     }
 
-protected slots:
-    void saveNew() {
-        service()->save(m_form->entity());
-        m_tableModel->addRow(m_form->entity());
-        emit dataChanged();
-    }
-
-    void saveUpdate() {
-        service()->update(m_form->entity());
-        emit dataChanged();
-    }
-
 private:
     AutoForm<T> *m_form;
     AutoTableModel<T> *m_tableModel;
@@ -119,6 +114,25 @@ protected:
         m_form->setNewRec(false);
         m_formHandler->showForm(m_form);
     }
+
+    void handleDeleteRecord() override
+    {
+        if (m_form == NULL || m_tableModel == NULL || tableView()->currentIndex().row() < 0)
+        {
+            Q_ASSERT(false);
+            return;
+        }
+
+        QMessageBox::StandardButton reply;
+        reply = QMessageBox::question(this, tr("Delete record"), tr("Realy delete this record?"), QMessageBox::Yes|QMessageBox::No);
+        if (reply == QMessageBox::Yes)
+        {
+            QSharedPointer<T> entity = m_tableModel->itemFromIndex(tableView()->currentIndex());
+            service()->erase(entity);
+            fillData();
+            emit dataChanged();
+        }
+    }
 };
 
 #endif // GRIDFORM_H

core/igridform.cpp

@@ -38,3 +38,8 @@ void IGridForm::on_btnEdit_clicked()
 {
     handleEditRecord();
 }
+
+void IGridForm::on_btnDelete_clicked()
+{
+    handleDeleteRecord();
+}

core/igridform.h

@@ -30,19 +30,17 @@ signals:
 public slots:
     virtual void fillData() = 0;
 
-protected slots:
-    virtual void saveNew() = 0;
-    virtual void saveUpdate() = 0;
-
 protected:
     virtual void handleNewRecord() = 0;
     virtual void handleEditRecord() = 0;
-    //virtual void handleDeleteRecord() = 0;
+    virtual void handleDeleteRecord() = 0;
 
 private slots:
     void on_btnNew_clicked();
     void on_btnEdit_clicked();
 
+    void on_btnDelete_clicked();
+
 private:
     QString m_pluginId;
     IFormHandler *m_formHandler;

core/imetadataplugin.cpp

@@ -5,6 +5,8 @@
 #include <QLocale>
 #include <QDebug>
 
+#include "igridform.h"
+
 IMetaDataPlugin::IMetaDataPlugin()
 {
 }
@@ -47,6 +49,11 @@ void IMetaDataPlugin::init(const QJsonObject &metaData)
 {
     parseMetaData(metaData);
     initServiceUi();
+
+    if (IGridForm *pluginUi = dynamic_cast<IGridForm*>(m_ui))
+    {
+        pluginUi->setPluginId(pluginId());
+    }
 }
 
 void IMetaDataPlugin::parseMetaData(const QJsonObject &metaData)

core/iplugin.h

@@ -15,6 +15,7 @@ class IPlugin
 public:
     IPlugin() {
         m_ui = NULL;
+        m_service = NULL;
     }
 
     virtual ~IPlugin() {  }

core/service.h

@@ -21,6 +21,10 @@ class Service
 public:
     Service() { }
 
+    explicit Service(const QString &pluginId) {
+        m_pluginId = pluginId;
+    }
+
     QList<QSharedPointer<T> > all() {
         odb::database *db = Context::instance().db();
 
@@ -69,6 +73,16 @@ public:
         return entity;
     }
 
+    void erase(QSharedPointer<T> entity) {
+        odb::database *db = Context::instance().db();
+
+        Q_ASSERT(db);
+
+        Transaction tx;
+        db->erase(entity);
+        tx.commit();
+    }
+
     void setPluginId(const QString &pluginId) {
         m_pluginId = pluginId;
     }