/** \fn GalleryViewHelper::SetFileOrientation(int)
* \brief Saves the orientation information of the selected node
* \param fileOrientation The orientation value 1-8
* \return void
*/
void GalleryViewHelper::SetFileOrientation(int fileOrientation)
{
ImageMetadata *im = GetImageMetadataFromSelectedNode();
if (!im)
return;
int oldFileOrientation = im->GetOrientation();
// Update the orientation, the new value will
// be calculated with this method. This new
// value will then be saved in the exif header tag.
im->SetOrientation(fileOrientation, false);
// Update the exif tag, if that fails we can restore the original
// orientation so that the database and image file are not out of sync
if (m_fileHelper->SetImageOrientation(im))
{
m_dbHelper->UpdateData(im);
m_thumbGenThread->RecreateThumbnail(im);
m_thumbGenThread->start();
}
else
{
im->SetOrientation(oldFileOrientation, false);
LOG(VB_GENERAL, LOG_ERR,
QString("Could not write the angle %1 into the file %2. "
"The database value has not been updated.")
.arg(im->GetAngle()).arg(im->m_fileName));
}
}
/** \fn GalleryViewHelper::SetFileOrientation(int)
* \brief Saves the orientation information of the selected node
* \param fileOrientation The orientation value 1-8
* \return void
*/
void GalleryViewHelper::SetFileOrientation(int fileOrientation)
{
ImageMetadata *im = GetImageMetadataFromSelectedNode();
if (!im)
return;
int oldFileOrientation = im->GetOrientation();
// Update the orientation, the new value will
// be calculated with this method. This new
// value will then be saved in the exif header tag.
im->SetOrientation(fileOrientation, false);
// Request orientation update
if (m_fileHelper->SetImageOrientation(im))
{
// force thumbnail to be regenerated
m_fileHelper->AddToThumbnailList(im, true);
}
else
{
// Restore previous orientation
im->SetOrientation(oldFileOrientation, true);
LOG(VB_GENERAL, LOG_ERR, QString("Orientation update failed for %1")
.arg(im->m_fileName));
}
}
/** \fn GalleryViewHelper::LoadTreeData()
* \brief Load all available data from the database and populates the tree.
* \return void
*/
void GalleryViewHelper::LoadTreeData()
{
QList<ImageMetadata *> *dirList = new QList<ImageMetadata *>;
QList<ImageMetadata *> *fileList = new QList<ImageMetadata *>;
// Stop generating thumbnails
// when a new directory is loaded
m_thumbGenThread->cancel();
// The parent id is the database index of the
// directories which subdirectories and files shall be loaded
int id = 0;
// Get the selected node. If there is no data available then the
// plugin has been started for the first time, a synchronization
// request was made or the settings have changed. In this case
// use default parent id of the storage group directories.
ImageMetadata *im = GetImageMetadataFromSelectedNode();
if (im)
{
if (im->m_type == kUpDirectory)
id = im->m_parentId;
if (im->m_type == kSubDirectory)
id = im->m_id;
}
// The data from the selected node has used.
// Clear the list so that it can be populated with new data.
m_currentNode->deleteAllChildren();
// If the parentId is not one of the directories in the storage group
// then add a additional directory at the beginning of the list that
// is of the type kUpDirectory so that the user can navigate one level up.
if (!m_dbHelper->GetStorageDirIDs(m_sgDirList).contains(id))
{
m_dbHelper->LoadParentDirectory(dirList, id);
LoadTreeNodeData(dirList, m_currentNode);
}
m_dbHelper->LoadDirectories(dirList, id);
LoadTreeNodeData(dirList, m_currentNode);
// Load all files with the specified sorting criterias
m_dbHelper->LoadFiles(fileList, id);
LoadTreeNodeData(fileList, m_currentNode);
// Start generating thumbnails if required
m_thumbGenThread->start();
// clean up
if (dirList)
delete dirList;
if (fileList)
delete fileList;
}
/** \fn GalleryViewHelper::SetFileZoom(int)
* \brief Saves the zoom information of the selected node
* \param zoom The zoom value in percent
* \return void
*/
void GalleryViewHelper::SetFileZoom(int zoom)
{
ImageMetadata *im = GetImageMetadataFromSelectedNode();
if (!im)
return;
if (zoom == kFileZoomIn)
im->SetZoom(20);
if (zoom == kFileZoomOut)
im->SetZoom(-20);
m_dbHelper->UpdateData(im);
}
/** \fn GalleryViewHelper::SetNodeVisibilityState(int)
* \brief Sets the selected not either to the
nodeState that the user has specified
* \param nodeState Can be either visible or invisible
* \return void
*/
void GalleryViewHelper::SetNodeVisibilityState(int nodeState)
{
// set the given node as visible / invisible
ImageMetadata *im = GetImageMetadataFromSelectedNode();
if (im)
{
if (nodeState == kNodeStateVisible)
im->m_isHidden = false;
if (nodeState == kNodeStateInvisible)
im->m_isHidden = true;
m_dbHelper->UpdateData(im);
}
}
/** \fn GalleryViewHelper::RenameCurrentNode(QString &)
* \brief Renames the file that belongs to the node and updates the database
* \param New name of the file with the full path
* \return void
*/
void GalleryViewHelper::RenameCurrentNode(QString &newName)
{
ImageMetadata *im = GetImageMetadataFromSelectedNode();
if (!im)
return;
if (m_fileHelper->RenameFile(im, newName))
{
// replace the original filename with the
// new one in the pull path + filename variable
QString newFileName = im->m_fileName.replace(im->m_name, newName);
im->m_fileName = newFileName;
im->m_name = newName;
}
}
/** \fn GalleryViewHelper::DeleteCurrentNode()
* \brief Deletes the current node from the generic tree
* \return void
*/
void GalleryViewHelper::DeleteCurrentNode()
{
ImageMetadata *im = GetImageMetadataFromSelectedNode();
// TODO: Remove directories as well
if (im && im->m_type >= kImageFile)
// Delete the file and remove the database entry
if (m_fileHelper->RemoveFile(im))
{
// Remove the entry from the node list
m_currentNode->deleteNode(m_currentNode->getSelectedChild());
// Clean up thumbnail cache
GetMythUI()->RemoveFromCacheByFile(im->m_thumbFileNameList->at(0));
}
}
/** \fn GalleryViewHelper::DeleteCurrentNode()
* \brief Deletes the current node from the generic tree
* \return void
*/
void GalleryViewHelper::DeleteCurrentNode()
{
ImageMetadata *im = GetImageMetadataFromSelectedNode();
if (!im)
return;
// Delete the file and remove the database entry
if (m_fileHelper->RemoveFile(im))
{
// Remove the entry from the node list
m_currentNode->deleteNode(m_currentNode->getSelectedChild());
// Only remove the first thumbnail when it is an image or video.
// If its a folder, it will use thumbnails from other images
if (im->m_type == kImageFile || im->m_type == kVideoFile)
QFile::remove(im->m_thumbFileNameList->at(0));
m_dbHelper->RemoveFile(im);
}
}
/** \fn GalleryViewHelper::RenameCurrentNode(QString &)
* \brief Renames the file that belongs to the node and updates the database
* \param New name of the file with the full path
* \return void
*/
void GalleryViewHelper::RenameCurrentNode(QString &newName)
{
bool fileExist = false;
// Check if the file with the new name already exists in the current directory
QList<MythGenericTree *> *nodeTree = m_currentNode->getAllChildren();
for (int i = 0; i < nodeTree->size(); i++)
{
ImageMetadata *im = qVariantValue<ImageMetadata *>(nodeTree->at(i)->GetData());
if (im)
{
if (im->m_name.compare(newName) == 0)
{
fileExist = true;
break;
}
}
}
// The file with the given new name does not yet exist.
// Continue with the renaming of the file
if (!fileExist)
{
ImageMetadata *im = GetImageMetadataFromSelectedNode();
if (!im)
return;
if (m_fileHelper->RenameFile(im, newName))
{
// replace the original filename with the
// new one in the pull path + filename variable
QString newFileName = im->m_fileName.replace(im->m_name, newName);
im->m_fileName = newFileName;
im->m_name = newName;
m_dbHelper->UpdateData(im);
}
}
}
