def _on_open_preview(self, index):
"""Open preview dialog of selected item.
Args:
index (QModelIndex): Selected row index from view
"""
# Map the view->proxy to the source->db index
source_index = self.proxy_main.mapToSource(index)
# No item is selected so quit
index_id = self.model_main.index(source_index.row(), ID)
if index_id.row() <= -1:
return None
parent_id = self.model_main.data(index_id)
logging.debug('ID: %s' % parent_id)
# Find all childs relating to parent_id
mime_list = database.get_mime(parent_id)
# Create QMimeData object based on formats and byte data
mime_data = QtCore.QMimeData()
for format, byte_data in mime_list:
mime_data.setData(format, byte_data)
# PreviewDialog(self) so it opens at main window
preview_dialog = dialogs.PreviewDialog(self)
preview_dialog.setup_ui(mime_data)
preview_dialog.exec_()
del index_id, parent_id, mime_list, mime_data, preview_dialog
def on_set_clipboard(self):
"""Set clipboard contents from list selection.
Parent ID is retrieved from user selection and mime data is compiled
from database search. QMimeData() object is created from bytearray and
reference format. Finally, clipboard contents are set, window is
hidden, and OS paste command is sent to current active window.
When clipboard contents are set, it emits dataChanged() so the app
immediately attempts to insert it and runs into a duplicate update.
Setting ignore_created will prevent this check from happening.
"""
self.ignore_created = True
# Hide parent window
self.window().hide()
# Map the view->proxy to the source->db index
proxy_index = self.view_main.currentIndex()
source_index = self.proxy_main.mapToSource(proxy_index)
# Get parent ID by creating a new index for data
model_index = self.model_main.index(source_index.row(), ID)
parent_id = self.model_main.data(model_index)
logging.debug('ParentID: %s' % parent_id)
# Find all childs relating to parent_id
mime_list = database.get_mime(parent_id)
# Create QMimeData object based on formats and byte data
mime_data = QtCore.QMimeData()
for format, byte_data in mime_list:
mime_data.setData(format, byte_data)
# Set to clipboard
self.clipboard_monitor.set_data(mime_data)
# Send Ctrl+V key stroke (paste) to foreground window
if settings.get_send_paste():
paste.send_event()
# Update the date column in source
self.model_main.setData(self.model_main.index(model_index.row(), DATE),
QtCore.QDateTime.currentMSecsSinceEpoch())
self.model_main.submit()
# Destroy mime data object?
del mime_data, mime_list, proxy_index, source_index, model_index
del parent_id