def moveSelection(self, parent, position):
# self.selectedIndexes() is the selected QTreeWidgets' QModelIndex
# position type:int and position type:QTreeWidget is the target to put
# save the selected items' persistentQindex. if we use QModelIndex, it will change after 1 moved
selection = [
QtCore.QPersistentModelIndex(i) for i in self.selectedIndexes()
]
print("{} {} {}".format(position, i, QtCore.QPersistentModelIndex(i)))
parent_index = self.indexFromItem(
parent) #from parent type:TreeWidgetItem to get its QModelIndex
if parent_index in selection:
return False
# save the drop location in case it gets moved since it doesn't exist yet (no previous item)
target = self.model().index(position, 0, parent_index).row(
) # (row,column=0, index) to get the child's QModelIndex
print("position {} target {}".format(
position,
target)) # target sometimes is -1 when the row is lastone or empty
if target < 0:
target = position
# remove the selected items
taken = []
for index in reversed(selection):
#index is a QPersistentModelIndex, we need QModelIndex. both are 1-1 mapping
print("index.row {} {} type(position):{}".format(
index.row(), type(index), type(position)))
item = self.itemFromIndex(QtCore.QModelIndex(index))
# indexFromItem vs ItemFromIndex could switch betwen WtreeItem and QModelIndex
if item is None or item.parent() is None:
taken.append(self.takeTopLevelItem(index.row()))
else:
taken.append(item.parent().takeChild(index.row()))
# insert the selected items at their new positions
while taken:
if position == -1:
# append the items if position not specified
if parent_index.isValid():
parent.insertChild(parent.childCount(), taken.pop(0))
else:
self.insertTopLevelItem(self.topLevelItemCount(),
taken.pop(0))
else:
# insert the items at the specified position
if parent_index.isValid():
parent.insertChild(min(target, parent.childCount()),
taken.pop(0))
else:
self.insertTopLevelItem(
min(target, self.topLevelItemCount()), taken.pop(0))
return True
def setRowOpts(self, tableWidget, row, col):
btn = QtGui.QPushButton(tableWidget)
btn.setText('Remove')
index = QtCore.QPersistentModelIndex(tableWidget.model().index(
row, col))
btn.clicked.connect(lambda: self.removeBankItem(index))
tableWidget.setCellWidget(row, col, btn)
def setSelection(self, selection):
"""
Set the model item selection.
Parameters
----------
selection : QtGui.QItemSelection
Item selection.
"""
if self.values_view.selectionModel() is not None:
indices = selection.indexes()
pind = defaultdict(list)
for index in indices:
parent = index.parent()
if parent.isValid():
if parent == self.__model.index(parent.row(),
parent.column()):
pind[parent.row()].append(
QtCore.QPersistentModelIndex(index))
else:
warnings.warn("Die Die Die")
else:
# top level index
pass
self.__selections = pind
self.__restoreSelection()
def __init__(self, tree_view, index):
super(TreeViewBusyLabel, self).__init__(tree_view.viewport())
self._tree_view = tree_view
self._p_index = QtCore.QPersistentModelIndex(index)
self._movie = QtGui.QMovie(BUSY_INDICATOR)
self._movie.setCacheMode(QtGui.QMovie.CacheAll)
self.setAlignment(QtCore.Qt.AlignVCenter | QtCore.Qt.AlignLeft)
self.setMovie(self._movie)
# catch the tree view resizes to reposition the busy indicator
tree_view.viewport().installEventFilter(self)
# need to update position if header sections are resized
tree_view.header().sectionResized.connect(
lambda i, o, n: self._reposition())
# reposition when scrolling occurs
for scrollBar in [
tree_view.horizontalScrollBar(),
tree_view.verticalScrollBar()
]:
scrollBar.valueChanged.connect(lambda v: self._reposition())
def currentChanged(self, current, previous):
"""This slot is automatically called when the current item changes.
The slot is not called if the item doesn't actually changed.
When the current item changes the menus, toolbars and statusbar have
to be updated. Probably some QActions will be enabled and other will
be disabled. Also the databases tree and the workspace have to be
synchronised again (if possible).
:Parameters:
- `current`: the index model of the new current item
- `previous`: the index model of the previous current item
"""
QtGui.QTreeView.currentChanged(self, current, previous)
self.vtgui.updateActions()
self.vtgui.updateStatusBar()
# Sync the tree view with the workspace (if needed) but keep the
# focus (giving focus to the workspace when a given item is
# selected is counter intuitive)
pcurrent = QtCore.QPersistentModelIndex(current)
for window in self.vtgui.workspace.subWindowList():
if pcurrent == window.pindex:
self.vtgui.workspace.setActiveSubWindow(window)
self.setFocus(True)
def layoutAboutToBeChanged(self):
"""
Store what is about to be changed
"""
for i in range(0, max(0, min(self.model.rowCount(), 100))):
self.changing.append(
QtCore.QPersistentModelIndex(self.model.index(i, 0)))
def viewItem(self, index):
"""Opens items for viewing.
"""
item = index.internalPointer()
supports = item.getSupportedOperations()
# If we can't open this item, then don't
if not supports & AbstractLDAPTreeItem.SUPPORT_OPEN:
self.__logger.debug("Item didn't support open.")
return
smartObject = index.internalPointer().smartObject()
rep = self.getRepForSmartObject(smartObject)
# If the smartobject is already open, switch to it
if self.isOpen(smartObject):
x = self.openTabs[str(rep)]
self.tabWidget.setCurrentWidget(x)
return
# Saves a representation of the opened entry to avoid opening duplicates
# and open it
x = AdvancedObjectWidget(QtCore.QPersistentModelIndex(index))
x.initModel(smartObject)
self.openTabs[str(rep)] = x
self.tabWidget.addTab(x, smartObject.getPrettyRDN())
self.tabWidget.setCurrentWidget(x)
def __storeSelection(self, groupind, indices):
# Store current values selection for the current group
groupind = self.__currentIndex
indices = [
QtCore.QPersistentModelIndex(ind)
for ind in self.values_view.selectedIndexes()
]
self.__selections[groupind] = indices
def addInvoiceItem(self):
rowPosition = self.tableWidget.rowCount()
self.tableWidget.insertRow(rowPosition)
btn = QtGui.QPushButton(self.tableWidget)
btn.setText('Remove')
index = QtCore.QPersistentModelIndex(self.tableWidget.model().index(
rowPosition, 5))
btn.clicked.connect(lambda: self.removeInvoiceItem(index))
self.tableWidget.setCellWidget(rowPosition, 5, btn)
def delete_row(self):
index_list = []
for model_index in self.view_table_fparams.selectionModel(
).selectedRows():
index = QtCore.QPersistentModelIndex(model_index)
index_list.append(index)
for index in index_list:
self.model_fparam_table.removeRow(index.row(
)) # have to delete row from model, not the view (table_fparams)
def eventFilter(self, widget, event):
if widget is self.viewport():
index = self._last_index
if event.type() == QtCore.QEvent.MouseMove:
index = self.indexAt(event.pos())
elif event.type() == QtCore.QEvent.Leave:
index = QtCore.QModelIndex()
if index != self._last_index:
row = self._last_index.row()
column = self._last_index.column()
item = self.itemAt(row, column)
if item is not None:
self.itemExited.emit(item)
self.cellExited.emit(row, column)
self._last_index = QtCore.QPersistentModelIndex(index)
return QtGui.QTreeWidget.eventFilter(self, widget, event)
def __init__(self, index):
"""Display a given dataset in the MDI area.
"""
# The main application window
self.vtgui = vitables.utils.getVTApp().gui
# The data structure (LeafNode/LinkNode instance) whose dataset
# is being displayed
dbt_model = self.vtgui.dbs_tree_model
self.dbt_leaf = dbt_model.nodeFromIndex(index)
# The tables.Node instance tied to that data structure
pt_node = self.dbt_leaf.node
if hasattr(pt_node, 'target'):
# The selected item is a link and must be dereferenced
leaf = pt_node()
else:
leaf = pt_node
rbuffer = readBuffer.Buffer(leaf)
self.leaf_model = leaf_model.LeafModel(rbuffer)
self.leaf_view = leaf_view.LeafView(self.leaf_model)
super(DataSheet, self).__init__(self.vtgui.workspace)
self.setWidget(self.leaf_view)
self.setAttribute(QtCore.Qt.WA_DeleteOnClose)
# Customize the title bar
if not isinstance(leaf.title, unicode):
title = unicode(leaf.title, 'utf_8')
else:
title = leaf.title
wtitle = u"{0}\t{1}".format(self.dbt_leaf.name, title)
self.setWindowTitle(wtitle)
self.setWindowIcon(self.dbt_leaf.icon)
# Eventually update the Node menu actions
self.dbt_leaf.has_view = True
self.vtgui.updateActions()
self.pindex = QtCore.QPersistentModelIndex(index)
# Connect signals to slots
self.aboutToActivate.connect(self.syncTreeView)
self.leaf_view.doubleClicked.connect(self.zoomCell)
def moveSelection(self, parent, position):
# save the selected items
selection = [QtCore.QPersistentModelIndex(i)
for i in self.selectedIndexes()]
parent_index = self.indexFromItem(parent)
if parent_index in selection:
return False
# save the drop location in case it gets moved
target = self.model().index(position, 0, parent_index).row()
if target < 0:
target = position
# remove the selected items
taken = []
for index in reversed(selection):
item = self.itemFromIndex(QtCore.QModelIndex(index))
if item is None or item.parent() is None:
taken.append(self.takeTopLevelItem(index.row()))
else:
taken.append(item.parent().takeChild(index.row()))
# insert the selected items at their new positions
while taken:
if position == -1:
# append the items if position not specified
if parent_index.isValid():
parent.insertChild(
parent.childCount(), taken.pop(0))
else:
self.insertTopLevelItem(
self.topLevelItemCount(), taken.pop(0))
else:
# insert the items at the specified position
if parent_index.isValid():
parent.insertChild(min(target,
parent.childCount()), taken.pop(0))
else:
self.insertTopLevelItem(min(target,
self.topLevelItemCount()), taken.pop(0))
return True
def __init__(self, *args, **kwargs):
QtGui.QTreeWidget.__init__(self, *args, **kwargs)
self._last_index = QtCore.QPersistentModelIndex()
self.viewport().installEventFilter(self)
self.setMouseTracking(True)
self.setAcceptDrops(True)
def tree2DropEvent(self, event):
logging.info("event DropAction: {}".format(event.dropAction()))
if event.dropAction() == QtCore.Qt.MoveAction:
position = event.pos()
if self.tree2.itemAt(position) == self.tree2.currentItem():
logging.error("abort to move to itself")
event.ignore()
event.setDropAction(QtCore.Qt.IgnoreAction)
return False
if self.tree2.currentItem():
parent = self.tree2.currentItem().parent()
else:
parent = self.tree2.invisibleRootItem()
item = self.tree2.itemAt(position)
p = self.tree2.indexFromItem(item)
logging.info("index row p {} {}".format(p.row(), repr(p)))
logging.info(type(p))
q = QtCore.QPersistentModelIndex( p)
logging.info(type(q))
self.moveSelection(parent, q.row())
event.accept()
return True
"""
selection = [QtCore.QPersistentModelIndex(i)
for i in self.tree2.selectedIndexes()]
print("{} {} {}".format(position, i, QtCore.QPersistentModelIndex(i)))
parent_index = self.tree2.indexFromItem(parent) #from parent type:TreeWidgetItem to get its QModelIndex
logging.info("parent_index selection: {} {}".format(parent_index, selection ))
if parent_index in selection:
event.ignore()
event.setDropAction(QtCore.Qt.IgnoreAction)
logging.error("abort drop")
return False
# success. move selected item to new parent
if self.tree2.currentItem() and self.tree2.itemAt(position):
item = self.tree2.currentItem()
if item.parent() != None:
item.parent().removeChild(item)
else:
self.tree2.takeTopLevelItem(self.tree2.indexOfTopLevelItem(item))
self.tree2.itemAt(position).addChild(item)
logging.info("move it")
else:
logging.error("abort drop because do not know how to move")
event.ignore()
event.setDropAction(QtCore.Qt.IgnoreAction)
logging.error("abort drop")
return False
"""
data = event.mimeData()
bstream = data.retrieveData("application/atom",
QtCore.QVariant.ByteArray)
selected = pickle.loads(bstream.toByteArray())
logging.info("drop data is: {}".format(selected) )
# selected is a BTCommand object
parent = self.tree2.itemAt(event.pos())
logging.info("event pos {} parent {}".format(event.pos(), repr(parent)))
if parent == None:
parent = self.tree2.invisibleRootItem()
self._genOneNode(selected.getData(), str(selected.name), parent, selected.getField())
event.accept()
def __init__(self, rows, columns, parent=None):
QtGui.QTableWidget.__init__(self, rows, columns, parent)
self._last_index = QtCore.QPersistentModelIndex()
self.viewport().installEventFilter(self)
