本文整理汇总了Python中PyQt5.QtWidgets.QFileSystemModel.rowCount方法的典型用法代码示例。如果您正苦于以下问题：Python QFileSystemModel.rowCount方法的具体用法？Python QFileSystemModel.rowCount怎么用？Python QFileSystemModel.rowCount使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类PyQt5.QtWidgets.QFileSystemModel的用法示例。
在下文中一共展示了QFileSystemModel.rowCount方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: FilenamePrompt
# 需要导入模块: from PyQt5.QtWidgets import QFileSystemModel [as 别名]
# 或者: from PyQt5.QtWidgets.QFileSystemModel import rowCount [as 别名]
#.........这里部分代码省略.........
# Input like /foo/ba -> show /foo contents
path = dirname
else:
return
except OSError:
log.prompt.exception("Failed to get directory information")
return
root = self._file_model.setRootPath(path)
self._file_view.setRootIndex(root)
@pyqtSlot(QModelIndex)
def _insert_path(self, index, *, clicked=True):
"""Handle an element selection.
Args:
index: The QModelIndex of the selected element.
clicked: Whether the element was clicked.
"""
path = os.path.normpath(self._file_model.filePath(index))
if clicked:
path += os.sep
else:
# On Windows, when we have C:\foo and tab over .., we get C:\
path = path.rstrip(os.sep)
log.prompt.debug('Inserting path {}'.format(path))
self._lineedit.setText(path)
self._lineedit.setFocus()
self._set_fileview_root(path, tabbed=True)
if clicked:
# Avoid having a ..-subtree highlighted
self._file_view.setCurrentIndex(QModelIndex())
def _init_fileview(self):
self._file_view = QTreeView(self)
self._file_model = QFileSystemModel(self)
self._file_view.setModel(self._file_model)
self._file_view.clicked.connect(self._insert_path)
if config.get('ui', 'prompt-filebrowser'):
self._vbox.addWidget(self._file_view)
else:
self._file_view.hide()
# Only show name
self._file_view.setHeaderHidden(True)
for col in range(1, 4):
self._file_view.setColumnHidden(col, True)
# Nothing selected initially
self._file_view.setCurrentIndex(QModelIndex())
# The model needs to be sorted so we get the correct first/last index
self._file_model.directoryLoaded.connect(
lambda: self._file_model.sort(0))
def accept(self, value=None):
text = value if value is not None else self._lineedit.text()
text = downloads.transform_path(text)
if text is None:
message.error("Invalid filename")
return False
self.question.answer = text
return True
def item_focus(self, which):
# This duplicates some completion code, but I don't see a nicer way...
assert which in ['prev', 'next'], which
selmodel = self._file_view.selectionModel()
parent = self._file_view.rootIndex()
first_index = self._file_model.index(0, 0, parent)
row = self._file_model.rowCount(parent) - 1
last_index = self._file_model.index(row, 0, parent)
if not first_index.isValid():
# No entries
return
assert last_index.isValid()
idx = selmodel.currentIndex()
if not idx.isValid():
# No item selected yet
idx = last_index if which == 'prev' else first_index
elif which == 'prev':
idx = self._file_view.indexAbove(idx)
else:
assert which == 'next', which
idx = self._file_view.indexBelow(idx)
# wrap around if we arrived at beginning/end
if not idx.isValid():
idx = last_index if which == 'prev' else first_index
selmodel.setCurrentIndex(
idx, QItemSelectionModel.ClearAndSelect | QItemSelectionModel.Rows)
self._insert_path(idx, clicked=False)
def _allowed_commands(self):
return [('prompt-accept', 'Accept'), ('leave-mode', 'Abort')]