def _copy(self):
rows = sorted({ri.row() for ri in self.selectedIndexes()})
copy_object = [(ri, self._editor.value[ri]) for ri in rows]
# copy_object = [ri.row(), self._editor.value[ri.row()]) for ri in self.selectedIndexes()]
mt = self._editor.factory.mime_type
pdata = dumps(copy_object)
qmd = PyMimeData()
qmd.MIME_TYPE = mt
qmd.setData(unicode(mt), dumps(copy_object.__class__) + pdata)
clipboard = QApplication.clipboard()
clipboard.setMimeData(qmd)
def _copy(self):
rows = sorted({ri.row() for ri in self.selectedIndexes()})
copy_object = [(ri, self._editor.value[ri]) for ri in rows]
# copy_object = [ri.row(), self._editor.value[ri.row()]) for ri in self.selectedIndexes()]
mt = self._editor.factory.mime_type
pdata = dumps(copy_object)
qmd = PyMimeData()
qmd.MIME_TYPE = mt
qmd.setData(unicode(mt), dumps(copy_object.__class__) + pdata)
clipboard = QApplication.clipboard()
clipboard.setMimeData(qmd)
def dropEvent(self, e):
if self.is_external():
data = PyMimeData.coerce(e.mimeData()).instance()
if not hasattr(data, '__iter__'):
return
df = self.drop_factory
if not df:
df = lambda x: x
row = self.rowAt(e.pos().y())
n = len(self._editor.value)
if row == -1:
row = n
model = self._editor.model
if self._dragging:
rows = [ri for ri, _ in data]
model.moveRows(rows, row)
else:
with no_update(self._editor.object):
for i, di in enumerate(reversed(data)):
if isinstance(di, tuple):
di = di[1]
model.insertRow(row=row, obj=df(di))
e.accept()
self._dragging = None
else:
super(_TableView, self).dropEvent(e)
def dropEvent(self, e):
if self.is_external():
data = PyMimeData.coerce(e.mimeData()).instance()
if not hasattr(data, '__iter__'):
return
df = self.drop_factory
if not df:
df = lambda x: x
row = self.rowAt(e.pos().y())
n = len(self._editor.value)
if row == -1:
row = n
model = self._editor.model
if self._dragging:
rows = [ri for ri, _ in data]
model.moveRows(rows, row)
else:
data = [di for _, di in data]
with no_update(self._editor.object):
for i, di in enumerate(reversed(data)):
if isinstance(di, tuple):
di = di[1]
model.insertRow(row=row, obj=df(di))
for i, di in enumerate(reversed(df(data))):
model.insertRow(row=row, obj=di)
e.accept()
self._dragging = None
else:
super(_TableView, self).dropEvent(e)
def _copy(self):
rows = sorted({ri.row() for ri in self.selectedIndexes()})
copy_object = [(ri, self._editor.value[ri].tocopy()) for ri in rows]
# copy_object = [ri.row(), self._editor.value[ri.row()]) for ri in self.selectedIndexes()]
mt = self._editor.factory.mime_type
try:
pdata = dumps(copy_object)
except BaseException as e:
print('tabular editor copy failed')
self._editor.value[rows[0]].tocopy(verbose=True)
return
qmd = PyMimeData()
qmd.MIME_TYPE = mt
qmd.setData(six.text_type(mt), dumps(copy_object.__class__) + pdata)
clipboard = QApplication.clipboard()
clipboard.setMimeData(qmd)
def _copy(self):
rows = sorted({ri.row() for ri in self.selectedIndexes()})
copy_object = [(ri, self._editor.value[ri].tocopy()) for ri in rows]
# copy_object = [ri.row(), self._editor.value[ri.row()]) for ri in self.selectedIndexes()]
mt = self._editor.factory.mime_type
try:
pdata = dumps(copy_object)
except BaseException as e:
print('tabular editor copy failed')
self._editor.value[rows[0]].tocopy(verbose=True)
return
qmd = PyMimeData()
qmd.MIME_TYPE = mt
qmd.setData(six.text_type(mt), dumps(copy_object.__class__) + pdata)
clipboard = QApplication.clipboard()
clipboard.setMimeData(qmd)
def startDrag(self, actions):
if self._editor.factory.drag_external:
idxs = self.selectedIndexes()
rows = sorted(list(set([idx.row() for idx in idxs])))
drag_object = [(ri, self._editor.value[ri]) for ri in rows]
md = PyMimeData.coerce(drag_object)
self._dragging = self.currentIndex()
drag = QtGui.QDrag(self)
drag.setMimeData(md)
drag.exec_(actions)
else:
super(_TableView, self).startDrag(actions)
def startDrag(self, actions):
if self._editor.factory.drag_external:
idxs = self.selectedIndexes()
rows = sorted(list(set([idx.row() for idx in idxs])))
drag_object = [(ri, self._editor.value[ri]) for ri in rows]
md = PyMimeData.coerce(drag_object)
self._dragging = self.currentIndex()
drag = QtGui.QDrag(self)
drag.setMimeData(md)
drag.exec_(actions)
else:
super(_TableView, self).startDrag(actions)
def dragEnterEvent(self, e):
if self.is_external():
# Assume the drag is invalid.
e.ignore()
# Check what is being dragged.
md = PyMimeData.coerce(e.mimeData())
if md is None:
return
# We might be able to handle it (but it depends on what the final
# target is).
e.acceptProposedAction()
else:
super(_myTableView, self).dragEnterEvent(e)
def dragEnterEvent(self, e):
if self.is_external():
# Assume the drag is invalid.
e.ignore()
# Check what is being dragged.
ed = e.mimeData()
md = PyMimeData.coerce(ed)
if md is None:
return
elif not hasattr(ed.instance(), '__iter__'):
return
# We might be able to handle it (but it depends on what the final
# target is).
e.acceptProposedAction()
else:
super(_TableView, self).dragEnterEvent(e)
def dropEvent(self, e):
if self.is_external():
data = PyMimeData.coerce(e.mimeData()).instance()
df = self.drop_factory
if not df:
df = lambda x: x
row = self.rowAt(e.pos().y())
n = len(self._editor.value)
if row == -1:
row = n
model = self._editor.model
if self._dragging:
rows = [ri for ri, _ in data]
model.moveRows(rows, row)
else:
# self._editor._no_update = True
# parent = QtCore.QModelIndex()
# model.beginInsertRows(parent, row, row)
# editor = self._editor
# self._editor.object._no_update = True
with no_update(self._editor.object):
for i, (_, di) in enumerate(reversed(data)):
# print 'insert'
# obj = paste_func1(di)
# editor.callx(editor.adapter.insert, editor.object, editor.name, row + i, obj)
model.insertRow(row=row, obj=df(di))
# model.insertRow(row=row, obj=paste_func(data[0][1]))
# self._editor.object._no_update = False
# model.endInsertRows()
# self._editor._no_update = False
e.accept()
self._dragging = None
else:
super(_myTableView, self).dropEvent(e)
def dragEnterEvent(self, e):
if self.is_external():
# Assume the drag is invalid.
e.ignore()
# Check what is being dragged.
ed = e.mimeData()
md = PyMimeData.coerce(ed)
if md is None:
return
else:
try:
if not hasattr(ed.instance(), '__iter__'):
return
except AttributeError:
return
# We might be able to handle it (but it depends on what the final
# target is).
e.acceptProposedAction()
else:
super(_TableView, self).dragEnterEvent(e)
def dropMimeData(self, mime_data, action, row, column, parent):
if action == QtCore.Qt.IgnoreAction:
return False
# this is a drag from a tabular model
data = mime_data.data(tabular_mime_type)
if not data.isNull() and action == QtCore.Qt.MoveAction:
id_and_rows = [int(di) for di in data.split(' ')]
table_id = id_and_rows[0]
# is it from ourself?
if table_id == id(self):
current_rows = id_and_rows[1:]
self.moveRows(current_rows, parent.row())
return True
# this is an external drag
data = PyMimeData.coerce(mime_data).instance()
if data is not None:
if not isinstance(data, list):
data = [data]
editor = self._editor
object = editor.object
name = editor.name
adapter = editor.adapter
if row == -1 and parent.isValid():
# find correct row number
row = parent.row()
if row == -1 and adapter.len(object, name) == 0:
# if empty list, target is after end of list
row = 0
if all(adapter.get_can_drop(object, name, row, item)
for item in data):
for item in reversed(data):
self.dropItem(item, row)
return True
return False
def mouseMoveEvent(self, event):
""" Re-implemented to create a drag event when the mouse is moved for a
sufficient distance while holding down mouse button.
"""
# go into the drag logic only if a drag_obj is active
if self.drag_obj:
# is the left mouse button still pressed?
if not event.buttons()==QtCore.Qt.LeftButton:
pass
# has the mouse been dragged for sufficient distance?
elif ((event.pos() - self.drag_obj.start_pos).manhattanLength()
< QtGui.QApplication.startDragDistance()):
pass
# initiate drag
else:
drag = QtGui.QDrag(self.drag_obj.widget)
mimedata = PyMimeData(data=self.drag_obj, pickle=False)
drag.setPixmap(self.drag_obj.get_pixmap())
drag.setHotSpot(self.drag_obj.get_hotspot())
drag.setMimeData(mimedata)
drag.exec_()
self.drag_obj = None # deactivate the drag_obj again
return
return super(DraggableTabBar, self).mouseMoveEvent(event)
def dropMimeData(self, mime_data, action, row, column, parent):
if action == QtCore.Qt.IgnoreAction:
return False
# this is a drag from a tabular model
data = mime_data.data(tabular_mime_type)
if not data.isNull() and action == QtCore.Qt.MoveAction:
id_and_rows = [int(di) for di in data.split(' ')]
table_id = id_and_rows[0]
# is it from ourself?
if table_id == id(self):
current_rows = id_and_rows[1:]
self.moveRows(current_rows, parent.row())
return True
# this is an external drag
data = PyMimeData.coerce(mime_data).instance()
if data is not None:
if not isinstance(data, list):
data = [data]
editor = self._editor
object = editor.object
name = editor.name
adapter = editor.adapter
if row == -1 and parent.isValid():
# find correct row number
row = parent.row()
if row == -1 and adapter.len(object, name) == 0:
# if empty list, target is after end of list
row = 0
if all(adapter.get_can_drop(object, name, row, item)
for item in data):
for item in reversed(data):
self.dropItem(item, row)
return True
return False
class _TableView(TableView):
"""
for drag and drop reference see
https://github.com/enthought/traitsui/blob/master/traitsui/qt4/tree_editor.py
"""
paste_func = None
drop_factory = None
# link_copyable = True
copyable = True
# _copy_cache = None
# _linked_copy_cache = None
_dragging = None
_cut_indices = None
option_select = False
drag_enabled = True
def __init__(self, editor, layout=None, *args, **kw):
super(_TableView, self).__init__(editor, *args, **kw)
self.setItemDelegate(ItemDelegate(self))
# self.setup_consumer(main=True)
editor = self._editor
# # reimplement row height
vheader = self.verticalHeader()
# size = vheader.minimumSectionSize()
height = None
font = editor.adapter.get_font(editor.object, editor.name, 0)
if font is not None:
fnt = QtGui.QFont(font)
size = QtGui.QFontMetrics(fnt)
height = size.height() + 6
vheader.setFont(fnt)
hheader = self.horizontalHeader()
hheader.setFont(fnt)
if editor.factory.row_height:
height = editor.factory.row_height
if height:
vheader.setDefaultSectionSize(height)
else:
vheader.ResizeMode(QHeaderView.ResizeToContents)
def set_bg_color(self, bgcolor):
if isinstance(bgcolor, tuple):
if len(bgcolor) == 3:
bgcolor = 'rgb({},{},{})'.format(*bgcolor)
elif len(bgcolor) == 4:
bgcolor = 'rgba({},{},{},{})'.format(*bgcolor)
elif isinstance(bgcolor, QColor):
bgcolor = 'rgba({},{},{},{})'.format(*bgcolor.toTuple())
self.setStyleSheet(
'QTableView {{background-color: {}}}'.format(bgcolor))
def set_vertical_header_font(self, fnt):
fnt = QtGui.QFont(fnt)
vheader = self.verticalHeader()
vheader.setFont(fnt)
size = QtGui.QFontMetrics(fnt)
vheader.setDefaultSectionSize(size.height() + 6)
def set_horizontal_header_font(self, fnt):
fnt = QtGui.QFont(fnt)
vheader = self.horizontalHeader()
vheader.setFont(fnt)
def set_drag_enabled(self, d):
if d:
self.setDragDropMode(QtGui.QAbstractItemView.DragDrop)
self.setDragEnabled(True)
def startDrag(self, actions):
if self._editor.factory.drag_external:
idxs = self.selectedIndexes()
rows = sorted(list(set([idx.row() for idx in idxs])))
drag_object = [(ri, self._editor.value[ri]) for ri in rows]
md = PyMimeData.coerce(drag_object)
self._dragging = self.currentIndex()
drag = QtGui.QDrag(self)
drag.setMimeData(md)
drag.exec_(actions)
else:
super(_TableView, self).startDrag(actions)
def dragEnterEvent(self, e):
if self.is_external():
# Assume the drag is invalid.
e.ignore()
# Check what is being dragged.
ed = e.mimeData()
md = PyMimeData.coerce(ed)
if md is None:
return
elif not hasattr(ed.instance(), '__iter__'):
return
# We might be able to handle it (but it depends on what the final
# target is).
e.acceptProposedAction()
else:
super(_TableView, self).dragEnterEvent(e)
def dragMoveEvent(self, e):
if self.is_external():
e.acceptProposedAction()
else:
super(_TableView, self).dragMoveEvent(e)
def dropEvent(self, e):
if self.is_external():
data = PyMimeData.coerce(e.mimeData()).instance()
if not hasattr(data, '__iter__'):
return
df = self.drop_factory
if not df:
df = lambda x: x
row = self.rowAt(e.pos().y())
n = len(self._editor.value)
if row == -1:
row = n
model = self._editor.model
if self._dragging:
rows = [ri for ri, _ in data]
model.moveRows(rows, row)
else:
data = [di for _, di in data]
with no_update(self._editor.object):
for i, di in enumerate(reversed(data)):
if isinstance(di, tuple):
di = di[1]
model.insertRow(row=row, obj=df(di))
for i, di in enumerate(reversed(df(data))):
model.insertRow(row=row, obj=di)
e.accept()
self._dragging = None
else:
super(_TableView, self).dropEvent(e)
def is_external(self):
# print 'is_external', self._editor.factory.drag_external and not self._dragging
return self._editor.factory.drag_external # and not self._dragging
def keyPressEvent(self, event):
if event.matches(QtGui.QKeySequence.Copy):
# self._copy_cache = [self._editor.value[ci.row()] for ci in
# self.selectionModel().selectedRows()]
# self._copy_cache = self._get_selection()
# self._editor.copy_cache = self._copy_cache
self._cut_indices = None
# add the selected rows to the clipboard
self._copy()
elif event.matches(QtGui.QKeySequence.Cut):
self._cut_indices = [
ci.row() for ci in self.selectionModel().selectedRows()
]
# self._copy_cache = [self._editor.value[ci] for ci in self._cut_indices]
# self._copy_cache = self._get_selection(self._cut_indices)
# self._editor.copy_cache = self._copy_cache
elif event.matches(QtGui.QKeySequence.Paste):
if self.pastable:
self._paste()
else:
self._editor.key_pressed = TabularKeyEvent(event)
self._key_press_hook(event)
# private
def _copy(self):
rows = sorted({ri.row() for ri in self.selectedIndexes()})
copy_object = [(ri, self._editor.value[ri].tocopy()) for ri in rows]
# copy_object = [ri.row(), self._editor.value[ri.row()]) for ri in self.selectedIndexes()]
mt = self._editor.factory.mime_type
try:
pdata = dumps(copy_object)
except BaseException, e:
print 'tabular editor copy failed'
self._editor.value[rows[0]].tocopy(verbose=True)
return
qmd = PyMimeData()
qmd.MIME_TYPE = mt
qmd.setData(unicode(mt), dumps(copy_object.__class__) + pdata)
clipboard = QApplication.clipboard()
clipboard.setMimeData(qmd)
