PreferencesDialog: Add new tab for extension loading

Add new settings to preferences dialog for automated loading of
extensions for all databases.

src/MainWindow.cpp

@@ -148,6 +148,7 @@ void MainWindow::fileOpen(const QString & fileName)
         resetBrowser();
         if(ui->mainTab->currentIndex() == 2)
             loadPragmas();
+        loadExtensionsFromSettings();
     }
 }
 
@@ -848,6 +849,7 @@ void MainWindow::openPreferences()
         createSyntaxHighlighters();
         populateStructure();
         resetBrowser();
+        loadExtensionsFromSettings();
     }
 }
 
@@ -1176,3 +1178,13 @@ void MainWindow::loadExtension()
     else
         QMessageBox::warning(this, QApplication::applicationName(), tr("Error loading extension: %1").arg(db.lastErrorMessage));
 }
+
+void MainWindow::loadExtensionsFromSettings()
+{
+    QStringList list = PreferencesDialog::getSettingsValue("extensions", "list").toStringList();
+    foreach(QString ext, list)
+    {
+        if(db.loadExtension(ext) == false)
+            QMessageBox::warning(this, QApplication::applicationName(), tr("Error loading extension: %1").arg(db.lastErrorMessage));
+    }
+}

src/MainWindow.h

@@ -80,6 +80,7 @@ private:
     void updateRecentFileActions();
     void setCurrentFile(const QString& fileName);
     void activateFields(bool enable = true);
+    void loadExtensionsFromSettings();
 
 protected:
     void closeEvent(QCloseEvent *);

src/PreferencesDialog.cpp

@@ -57,6 +57,8 @@ void PreferencesDialog::loadSettings()
         ui->treeSyntaxHighlighting->topLevelItem(i)->setCheckState(4, getSettingsValue("syntaxhighlighter", name + "_italic").toBool() ? Qt::Checked : Qt::Unchecked);
         ui->treeSyntaxHighlighting->topLevelItem(i)->setCheckState(5, getSettingsValue("syntaxhighlighter", name + "_underline").toBool() ? Qt::Checked : Qt::Unchecked);
     }
+
+    ui->listExtensions->addItems(getSettingsValue("extensions", "list").toStringList());
 }
 
 void PreferencesDialog::saveSettings()
@@ -75,6 +77,11 @@ void PreferencesDialog::saveSettings()
         setSettingsValue("syntaxhighlighter", name + "_underline", ui->treeSyntaxHighlighting->topLevelItem(i)->checkState(5) == Qt::Checked);
     }
 
+    QStringList extList;
+    foreach(QListWidgetItem* item, ui->listExtensions->findItems(QString("*"), Qt::MatchWrap | Qt::MatchWildcard))
+        extList.append(item->text());
+    setSettingsValue("extensions", "list", extList);
+
     accept();
 }
 
@@ -173,6 +180,10 @@ QVariant PreferencesDialog::getSettingsDefaultValue(const QString& group, const
         }
     }
 
+    // extensions/list?
+    if(group == "extensions" && name == "list")
+        return QStringList();
+
     // Unknown combination of group and name? Return an invalid QVariant!
     return QVariant();
 }
@@ -190,3 +201,21 @@ void PreferencesDialog::showColourDialog(QTreeWidgetItem* item, int column)
         item->setText(column, colour.name());
     }
 }
+
+void PreferencesDialog::addExtension()
+{
+    QString file = QFileDialog::getOpenFileName(
+                this,
+                tr("Select extension file"),
+                PreferencesDialog::getSettingsValue("db", "defaultlocation").toString(),
+                tr("Extensions(*.so *.dll);;All files(*)"));
+
+    if(QFile::exists(file))
+        ui->listExtensions->addItem(file);
+}
+
+void PreferencesDialog::removeExtension()
+{
+    if(ui->listExtensions->currentIndex().isValid())
+        ui->listExtensions->takeItem(ui->listExtensions->currentIndex().row());
+}

src/PreferencesDialog.h

@@ -23,10 +23,13 @@ public:
     static void setSettingsValue(const QString& group, const QString& name, const QVariant& value);
 
 private slots:
-    virtual void chooseLocation();
     virtual void loadSettings();
     virtual void saveSettings();
+
+    virtual void chooseLocation();
     virtual void showColourDialog(QTreeWidgetItem* item, int column);
+    virtual void addExtension();
+    virtual void removeExtension();
 
 private:
     Ui::PreferencesDialog *ui;

src/PreferencesDialog.ui

@@ -271,6 +271,73 @@
        </item>
       </layout>
      </widget>
+     <widget class="QWidget" name="tab_3">
+      <attribute name="title">
+       <string>&amp;Extensions</string>
+      </attribute>
+      <layout class="QVBoxLayout" name="verticalLayout_3">
+       <item>
+        <widget class="QLabel" name="label_3">
+         <property name="text">
+          <string>Select extensions to load for every database:</string>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <layout class="QHBoxLayout" name="horizontalLayout_2">
+         <item>
+          <widget class="QListWidget" name="listExtensions">
+           <property name="editTriggers">
+            <set>QAbstractItemView::NoEditTriggers</set>
+           </property>
+           <property name="showDropIndicator" stdset="0">
+            <bool>false</bool>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <layout class="QVBoxLayout" name="verticalLayout_2">
+           <item>
+            <widget class="QToolButton" name="buttonAddExtension">
+             <property name="toolTip">
+              <string>Add extension</string>
+             </property>
+             <property name="icon">
+              <iconset resource="icons/icons.qrc">
+               <normaloff>:/icons/load_extension</normaloff>:/icons/load_extension</iconset>
+             </property>
+            </widget>
+           </item>
+           <item>
+            <widget class="QToolButton" name="buttonRemoveExtension">
+             <property name="toolTip">
+              <string>Remove extension</string>
+             </property>
+             <property name="icon">
+              <iconset resource="icons/icons.qrc">
+               <normaloff>:/icons/remove_extension</normaloff>:/icons/remove_extension</iconset>
+             </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>
+          </layout>
+         </item>
+        </layout>
+       </item>
+      </layout>
+     </widget>
     </widget>
    </item>
    <item>
@@ -295,7 +362,9 @@
   <tabstop>treeSyntaxHighlighting</tabstop>
   <tabstop>buttonBox</tabstop>
  </tabstops>
- <resources/>
+ <resources>
+  <include location="icons/icons.qrc"/>
+ </resources>
  <connections>
   <connection>
    <sender>buttonBox</sender>
@@ -361,10 +430,44 @@
     </hint>
    </hints>
   </connection>
+  <connection>
+   <sender>buttonAddExtension</sender>
+   <signal>clicked()</signal>
+   <receiver>PreferencesDialog</receiver>
+   <slot>addExtension()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>464</x>
+     <y>64</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>245</x>
+     <y>137</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>buttonRemoveExtension</sender>
+   <signal>clicked()</signal>
+   <receiver>PreferencesDialog</receiver>
+   <slot>removeExtension()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>464</x>
+     <y>93</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>245</x>
+     <y>137</y>
+    </hint>
+   </hints>
+  </connection>
  </connections>
  <slots>
   <slot>saveSettings()</slot>
   <slot>chooseLocation()</slot>
   <slot>showColourDialog(QTreeWidgetItem*,int)</slot>
+  <slot>addExtension()</slot>
+  <slot>removeExtension()</slot>
  </slots>
 </ui>

src/icons/icons.qrc

@@ -29,6 +29,7 @@
         <file alias="save_sql">page_save.png</file>
         <file alias="open_sql">page_white_database.png</file>
         <file alias="load_extension">plugin_add.png</file>
+        <file alias="remove_extension">plugin_delete.png</file>
     </qresource>
     <qresource prefix="/oldimages">
         <file alias="128">oldimages/128.png</file>