[ui] Add Help button to the "Load Layer Style" dialog (#8986)

DelazJ · nirvn · commit bc4efc9908c6 · 2019-01-28T12:34:14.000+07:00
diff --git a/src/app/qgsvectorlayerloadstyledialog.cpp b/src/app/qgsvectorlayerloadstyledialog.cpp
@@ -102,6 +102,7 @@ QgsVectorLayerLoadStyleDialog::QgsVectorLayerLoadStyleDialog( QgsVectorLayer *la
   connect( mRelatedTable, &QTableWidget::doubleClicked, this, &QDialog::accept );
   connect( mOthersTable, &QTableWidget::doubleClicked, this, &QDialog::accept );
   connect( mCancelButton, &QPushButton::clicked, this, &QDialog::reject );
+  connect( mButtonBox, &QDialogButtonBox::helpRequested, this, &QgsVectorLayerLoadStyleDialog::showHelp );
   connect( mLoadButton, &QPushButton::clicked, this, &QDialog::accept );
   connect( mDeleteButton, &QPushButton::clicked, this, &QgsVectorLayerLoadStyleDialog::deleteStyleFromDB );
   setTabOrder( mRelatedTable, mOthersTable );
@@ -290,7 +291,9 @@ void QgsVectorLayerLoadStyleDialog::updateLoadButtonState()
                              && ( mRelatedTable->selectionModel()->hasSelection() || mOthersTable->selectionModel()->hasSelection()
                                 ) ) ||
                            ( type != QgsVectorLayerProperties::DB && !mFileWidget->filePath().isEmpty() ) );
+}
 
-
-
+void QgsVectorLayerLoadStyleDialog::showHelp()
+{
+  QgsHelp::openHelp( QStringLiteral( "introduction/general_tools.html#save-and-share-layer-properties" ) );
 }
diff --git a/src/app/qgsvectorlayerloadstyledialog.h b/src/app/qgsvectorlayerloadstyledialog.h
@@ -50,6 +50,7 @@ class APP_EXPORT QgsVectorLayerLoadStyleDialog : public QDialog, private Ui::Qgs
     void onRelatedTableSelectionChanged();
     void onOthersTableSelectionChanged();
     void deleteStyleFromDB();
+    void showHelp();
 
   private:
     QgsVectorLayer *mLayer = nullptr;
diff --git a/src/ui/qgsvectorlayerloadstyledialog.ui b/src/ui/qgsvectorlayerloadstyledialog.ui
@@ -159,7 +159,7 @@
    <item row="5" column="1">
     <widget class="QDialogButtonBox" name="mButtonBox">
      <property name="standardButtons">
-      <set>QDialogButtonBox::Cancel|QDialogButtonBox::Close|QDialogButtonBox::Open</set>
+      <set>QDialogButtonBox::Cancel|QDialogButtonBox::Close|QDialogButtonBox::Help|QDialogButtonBox::Open</set>
      </property>
     </widget>
    </item>
