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Fix World sub-items disappearing

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This commit is contained in:
JackXVII 2018-01-15 18:29:21 +03:00
parent fe617f871f
commit 43df0b3d8a
1 changed files with 30 additions and 10 deletions
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40
manuskript/models/worldModel.py
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@ -122,14 +122,6 @@ class worldModel(QStandardItemModel):
path = " > ".join(path)
return path
def copyRowFromIndex(self, index):
row_i = index.row()
row = []
for column_i in range(self.columnCount()):
item = self.itemFromIndex(index.sibling(row_i, column_i)).clone()
row.append(item)
return row
###############################################################################
# ADDING AND REMOVE
###############################################################################
@ -188,11 +180,39 @@ class worldModel(QStandardItemModel):
mime_data = QMimeData()
"""set MIME type"""
mime_data.setData(self.MIME_TYPE, QByteArray())
"""row index is just a pair of item parent and row number"""
row_indexes = []
for index in indexes:
item = self.itemFromIndex(index)
parent = item.parent()
if parent is None:
parent = self.invisibleRootItem()
row_indexes.append((parent, item.row()))
def copyRowWithChildren(row_index):
"""copy row and its children except for those that are in
row_indexes to avoid duplicates"""
parent, row_i = row_index
row = []
for column_i in range(parent.columnCount()):
original = parent.child(row_i, column_i)
copy = original.clone()
for child_row_i in range(original.rowCount()):
child_row_index = (original, child_row_i)
if child_row_index not in row_indexes:
child_row = copyRowWithChildren(child_row_index)
copy.appendRow(child_row)
row.append(copy)
return row
rows = []
for i in indexes:
for i in row_indexes:
"""copy not move, because these rows will be deleted automatically
after dropMimeData"""
rows.append(self.copyRowFromIndex(i))
rows.append(copyRowWithChildren(i))
"""mime_data.rows available only in the application"""
mime_data.rows = rows
return mime_data