class ManagerDialog(QWidget):
def __init__(self, parent=None):
QWidget.__init__(self, parent)
# remember the parent for future use
self.parent = parent
self.dict = None
# main_window settings
self.setWindowRole("QDialog")
self.setWindowModality(Qt.ApplicationModal)
self.setWindowFlags(self.windowFlags() & QtCore.Qt.CustomizeWindowHint)
self.setWindowFlags(self.windowFlags() | Qt.Window
| Qt.WindowMaximizeButtonHint
| Qt.WindowCloseButtonHint)
self.setWindowFlags(self.windowFlags()
& ~QtCore.Qt.WindowMinimizeButtonHint)
self.resize(800, 600)
# layouts
self._layout = QtWidgets.QVBoxLayout(self)
self._buttonlayout = QtWidgets.QHBoxLayout()
self._layout.addLayout(self._buttonlayout)
# item list widget
self._itemscroll = QListWidget()
def moveUp(self, subDictName, id):
""" move the item one position up """
if id:
i = self.dict[subDictName].index(id)
row = self._getIndexinList(id)
if i > 0 and row > 0:
j = 1
item = self._itemscroll.item(row - j)
# skip hidden items
while i - j > 0 and item.isHidden():
j += 1
item = self._itemscroll.item(row - j)
if not item or item.isHidden():
return
# update dict
tmp = self.dict[subDictName][i]
for k in range(0, j):
self.dict[subDictName][i -
k] = self.dict[subDictName][i - k -
1]
self.dict[subDictName][i - j] = tmp
widget = self.createWidget(id)
#move item widgets
scroll = self._itemscroll.cursor()
item = self._itemscroll.takeItem(row)
item.setSizeHint(widget.sizeHint())
self._itemscroll.insertItem(row - j, item)
self._itemscroll.setItemWidget(item, widget)
self._itemscroll.setCursor(scroll)
self.updateAfterMovement()
def moveDown(self, subDictName, id):
""" move the item one position down """
if id:
i = self.dict[subDictName].index(id)
row = self._getIndexinList(id)
dictLength = len(self.dict[subDictName])
if i < dictLength - 1 and row < dictLength - 1:
j = 1
item = self._itemscroll.item(row + j)
# skip hidden items
while i + j < dictLength and item.isHidden():
j += 1
item = self._itemscroll.item(row + j)
if not item or item.isHidden():
return
# update dict
tmp = self.dict[subDictName][i]
for k in range(0, j):
self.dict[subDictName][i +
k] = self.dict[subDictName][i + k +
1]
self.dict[subDictName][i + j] = tmp
widget = self.createWidget(id)
#move item widgets
scroll = self._itemscroll.cursor()
item = self._itemscroll.takeItem(row)
item.setSizeHint(widget.sizeHint())
self._itemscroll.insertItem(row + j, item)
self._itemscroll.setItemWidget(item, widget)
self._itemscroll.setCursor(scroll)
self.updateAfterMovement()
def createWidget(self, id):
""" abstract method returning a widget for one entry in the list """
raise NotImplementedError("Please Implement this method")
def updateAfterMovement(self):
""" abstract method """
raise NotImplementedError("Please Implement this method")
