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Hinzufuegen und loeschen von Metadaten (Pfaden dahin), Cancel-Option

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Die hinzuzufügenden/zu löschenden Pfade werden erst in Listen gespeichert (bzw. aus diesen gelöscht). Sobald der Nutzer den Accept-Button drückt, werden die letzten aktuellen Änderungen beibehalten. Bei drücken des Cancel-Buttons werden alle Änderungen verworfen.
This commit is contained in:
Sally 2018-10-18 12:17:23 +02:00
parent 56919b7d8a
commit 7d2e1e7df6
1 changed files with 49 additions and 17 deletions
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66
pylot/core/util/widgets.py
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@ -136,6 +136,8 @@ class AddMetadataWidget(QWidget):
def __init__(self, parent=None, metadata=None, windowflag=1): def __init__(self, parent=None, metadata=None, windowflag=1):
super(AddMetadataWidget, self).__init__(parent, windowflag) super(AddMetadataWidget, self).__init__(parent, windowflag)
self.inventories = {} self.inventories = {}
self.inventories_add = []
self.inventories_delete = []
self.main_layout = QVBoxLayout() self.main_layout = QVBoxLayout()
self.setLayout(self.main_layout) self.setLayout(self.main_layout)
@ -215,41 +217,71 @@ class AddMetadataWidget(QWidget):
self.close_button.clicked.connect(self.hide) self.close_button.clicked.connect(self.hide)
def open_directory(self): def open_directory(self):
fninv = QFileDialog.getExistingDirectory(self, self.tr( """
"Select inventory..."), self.tr("Select folder")) choosing a directory in the dialog window and returning the path
:return: directory path
"""
fninv = QFileDialog.getExistingDirectory(self, self.tr("Select inventory..."), self.tr("Select folder"))
if not fninv: if not fninv:
return return
self.selection_box.setText(fninv) return fninv
def add_item_from_box(self): def add_item_from_dialog(self):
inventory_path = self.selection_box.text() inventory_path = self.open_directory()
self.add_item(inventory_path) self.add_item(inventory_path)
self.selection_box.setText('') self.selection_box.setText('')
def add_item(self, inventory_path, from_metadata=False): def add_item(self, inventory_path):
"""
checks if the inventory path is already in the list and if it leads to a directory;
adds the path to the visible list;
adds the path to the list of inventories that get added to the metadata upon accepting all changes
:param inventory_path: path of the folder that contains the metadata (unicode string)
"""
if not inventory_path: if not inventory_path:
return return
if inventory_path in self.inventories.keys(): if inventory_path in self.metadata.inventories or inventory_path in self.inventories_add:
QMessageBox.warning(self, 'Info', 'Path already in list!') if not inventory_path in self.inventories_delete:
return QMessageBox.warning(self, 'Info', 'Path already in list!')
return
if not os.path.isdir(inventory_path): if not os.path.isdir(inventory_path):
QMessageBox.warning(self, 'Warning', 'Path is no directory!') QMessageBox.warning(self, 'Warning', 'Path is no directory!')
return return
item = QtGui.QStandardItem(inventory_path) item = QtGui.QStandardItem(inventory_path)
item.setEditable(False) item.setEditable(False)
self.inventories[inventory_path] = item self.inventories_add.append(inventory_path)
self.list_model.appendRow(item) self.list_model.appendRow(item) # adds path to visible list
if not from_metadata:
self.metadata.add_inventory(inventory_path)
def remove_item(self): def remove_item(self):
"""
removes marked path from the visible list;
also adds the path to the list of inventories that get deleted upon accepting all changes or deletes the
path from the list of of inventories that get added to the metadata upon accepting all changes
"""
for index in reversed(self.list_view.selectionModel().selectedIndexes()): for index in reversed(self.list_view.selectionModel().selectedIndexes()):
item = self.list_model.itemData(index) item = self.list_model.itemData(index)
inventory_path = item[0] inventory_path = item[0] # marked path
del (self.inventories[inventory_path]) self.list_model.removeRow(index.row()) # aus der Anzeige-Liste gelöscht
if inventory_path in self.inventories_add:
self.inventories_add.remove(inventory_path)
else:
self.inventories_delete.append(inventory_path)
def accept(self):
"""
all inventory pathes in the add list get added to the metadata (class) and all inventory pathes in the delete
list get deleted from the metadata (class); the lists are emptied and the window closes
"""
for inventory_path in self.inventories_add:
self.metadata.add_inventory(inventory_path)
for inventory_path in self.inventories_delete:
self.metadata.remove_inventory(inventory_path) self.metadata.remove_inventory(inventory_path)
self.list_model.removeRow(index.row()) self.clear_lists()
self.hide()
def clear_lists(self):
self.inventories_add = []
self.inventories_delete = []
class ComparisonWidget(QWidget): class ComparisonWidget(QWidget):