本文整理汇总了Python中PyQt5.QtWidgets.QTreeView.setItemDelegate方法的典型用法代码示例。如果您正苦于以下问题：Python QTreeView.setItemDelegate方法的具体用法？Python QTreeView.setItemDelegate怎么用？Python QTreeView.setItemDelegate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.QTreeView的用法示例。
在下文中一共展示了QTreeView.setItemDelegate方法的4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: LeftSideBar
# 需要导入模块: from PyQt5.QtWidgets import QTreeView [as 别名]
# 或者: from PyQt5.QtWidgets.QTreeView import setItemDelegate [as 别名]
class LeftSideBar(QWidget):
treeViewSelectionChanged = pyqtSignal(QModelIndex, QModelIndex)
treeViewDoubleClicked = pyqtSignal(QModelIndex)
addPlaylistRequested = pyqtSignal()
removePlaylistRequested = pyqtSignal(UUID)
addToPlaylistRequested = pyqtSignal(UUID)
playlistAdded = pyqtSignal(UUID)
playlistRenamed = pyqtSignal(UUID, str)
def __init__(self, tree_items, parent=None):
super(LeftSideBar, self).__init__(parent)
self._tree_items = tree_items
self._restoreSettings()
self._setTreeView()
self._setAlbumCoverBox()
self._renderUI()
self.setMinimumWidth(FRONT_COVER_MIN_WIDTH)
self.setMaximumWidth(FRONT_COVER_MAX_WIDTH)
def _restoreSettings(self):
pass
def _setTreeView(self):
self.treeModel = TreeModel()
self.treeModel.addTopLevelItems(self._tree_items.keys())
self.leftBarView = QTreeView()
self.leftBarView.setModel(self.treeModel)
self.leftBarView.setHeaderHidden(True)
self.leftBarView.setRootIsDecorated(False)
self.leftBarView.setItemsExpandable(False)
self.leftBarView.setMouseTracking(True)
self.leftBarView.expandAll()
self.leftBarView.setFocusPolicy(Qt.NoFocus)
self.leftBarView.setSelectionBehavior(QAbstractItemView.SelectRows)
self.leftBarView.setSelectionMode(QAbstractItemView.SingleSelection)
self.leftBarView.setEditTriggers(QAbstractItemView.SelectedClicked)
self.leftBarView.selectionModel().currentRowChanged.connect(
lambda c, p: self.treeViewSelectionChanged.emit(c, p))
self.leftBarView.selectionModel().setCurrentIndex(
self.leftBarView.model().index(
0, 0, self.leftBarView.model().index(0, 0)),
QItemSelectionModel.Select)
self.leftBarView.doubleClicked.connect(
lambda i: self.treeViewDoubleClicked.emit(i))
delegate = LeftSideBarDelegate(self.leftBarView)
self.leftBarView.setItemDelegate(delegate)
delegate.addPlaylistRequested.connect(
lambda: self.addPlaylistRequested.emit())
delegate.removePlaylistRequested.connect(
lambda i: self.removePlaylistRequested.emit(
self.__getUuidFromIndex(i)))
delegate.addToPlaylistRequested.connect(
lambda i:
self.addToPlaylistRequested.emit(self.__getUuidFromIndex(i)))
delegate.editingFinished.connect(self._onRenamed)
def _onRenamed(self, index, text):
self.playlistRenamed.emit(
self.__getUuidFromIndex(index),
text)
@property
def model(self):
return self.treeModel
def _setAlbumCoverBox(self):
self.albumCoverBox = CoverArtBox()
def _renderUI(self):
self.layout = QVBoxLayout()
self.layout.setContentsMargins(0, 0, 0, 0)
self.layout.setSpacing(0)
self.layout.addWidget(self.leftBarView)
self.layout.addWidget(self.albumCoverBox)
self.setLayout(self.layout)
@QtCore.pyqtSlot(str, str, bytes)
def changeCoverArtBoxInformation(self, title, artist, cover):
self.albumCoverBox.setCoverArtBox(title, artist, cover)
@QtCore.pyqtSlot(UUID, str, int, int)
def addPlaylistEntry(self, uuid, name, row=0, column=0):
model = self.model
parent = model.getTopLevelIndex('PLAYLISTS')
if model.insertPlaylistEntry(row, name, uuid, parent):
self.playlistAdded.emit(uuid)
child = model.index(row, column, parent)
#.........这里部分代码省略.........
示例2: _LocatorDialog
# 需要导入模块: from PyQt5.QtWidgets import QTreeView [as 别名]
# 或者: from PyQt5.QtWidgets.QTreeView import setItemDelegate [as 别名]
class _LocatorDialog(QDialog):
"""Locator widget and implementation
"""
def __init__(self, parent, commandClasses):
QDialog.__init__(self, parent)
self._terminated = False
self._commandClasses = commandClasses
self._createUi()
self._loadingTimer = QTimer(self)
self._loadingTimer.setSingleShot(True)
self._loadingTimer.setInterval(200)
self._loadingTimer.timeout.connect(self._applyLoadingCompleter)
self._completerLoaderThread = _CompleterLoaderThread(self)
self.finished.connect(self._terminate)
self._command = None
self._updateCurrentCommand()
def _createUi(self):
self.setWindowTitle(core.project().path().replace(os.sep, '/') or 'Locator')
self.setLayout(QVBoxLayout())
self.layout().setContentsMargins(0, 0, 0, 0)
self.layout().setSpacing(1)
biggerFont = self.font()
biggerFont.setPointSizeF(biggerFont.pointSizeF() * 2)
self.setFont(biggerFont)
self._edit = _CompletableLineEdit(self)
self._edit.updateCurrentCommand.connect(self._updateCurrentCommand)
self._edit.enterPressed.connect(self._onEnterPressed)
self._edit.installEventFilter(self) # catch Up, Down
self._edit.setFont(biggerFont)
self.layout().addWidget(self._edit)
self.setFocusProxy(self._edit)
self._table = QTreeView(self)
self._table.setFont(biggerFont)
self._model = _CompleterModel()
self._table.setModel(self._model)
self._table.setItemDelegate(HTMLDelegate(self._table))
self._table.setRootIsDecorated(False)
self._table.setHeaderHidden(True)
self._table.clicked.connect(self._onItemClicked)
self._table.setAlternatingRowColors(True)
self._table.installEventFilter(self) # catch focus and give to the edit
self.layout().addWidget(self._table)
width = QFontMetrics(self.font()).width('x' * 64) # width of 64 'x' letters
self.resize(width, width * 0.62)
def _terminate(self):
if not self._terminated:
if self._command is not None:
self._command.terminate()
self._command = None
self._edit.terminate()
self._completerLoaderThread.terminate()
if self._model:
self._model.terminate()
core.workspace().focusCurrentDocument()
self._terminated = True
def _updateCurrentCommand(self):
"""Try to parse line edit text and set current command
"""
if self._terminated:
return
newCommand = self._parseCurrentCommand()
if newCommand is not self._command:
if self._command is not None:
self._command.updateCompleter.disconnect(self._updateCompletion)
self._command.terminate()
self._command = newCommand
if self._command is not None:
self._command.updateCompleter.connect(self._updateCompletion)
self._updateCompletion()
def _updateCompletion(self):
"""User edited text or moved cursor. Update inline and TreeView completion
"""
if self._command is not None:
completer = self._command.completer()
if completer is not None and completer.mustBeLoaded:
self._loadingTimer.start()
self._completerLoaderThread.loadCompleter(self._command, completer)
else:
#.........这里部分代码省略.........
示例3: SearchResultsDock
# 需要导入模块: from PyQt5.QtWidgets import QTreeView [as 别名]
# 或者: from PyQt5.QtWidgets.QTreeView import setItemDelegate [as 别名]
class SearchResultsDock(DockWidget):
"""Dock with search results
"""
onResultsHandledByReplaceThread = pyqtSignal(str, list)
def __init__(self, parent):
DockWidget.__init__(self, parent, "&Search Results", QIcon(":/enkiicons/search.png"), "Alt+S")
# actions
widget = QWidget(self)
self._model = searchresultsmodel.SearchResultsModel(self)
self.onResultsHandledByReplaceThread.connect(self._model.onResultsHandledByReplaceThread)
self._view = QTreeView(self)
self._view.setHeaderHidden(True)
self._view.setUniformRowHeights(True)
self._view.setModel(self._model)
self._delegate = HTMLDelegate()
self._view.setItemDelegate(self._delegate)
self._layout = QHBoxLayout(widget)
self._layout.setContentsMargins(5, 5, 5, 5)
self._layout.setSpacing(5)
self._layout.addWidget(self._view)
self.setWidget(widget)
self.setFocusProxy(self._view)
# connections
self._model.firstResultsAvailable.connect(self.show)
self._view.activated.connect(self._onResultActivated)
core.actionManager().addAction("mView/aSearchResults", self.showAction())
self._expandCollapseAll = ExpandCollapseAllButton(self.titleBarWidget(), self._view, self._model)
self._checkUncheckAll = None
def terminate(self):
core.actionManager().removeAction("mView/aSearchResults")
def _onResultActivated(self, index):
"""Item doubleclicked in the model, opening file
"""
result = index.internalPointer()
if isinstance(result, searchresultsmodel.Result):
fileResults = index.parent().internalPointer()
core.workspace().goTo(result.fileName,
line=result.line,
column=result.column,
selectionLength=len(result.match.group(0)))
core.mainWindow().statusBar().showMessage('Match %d of %d' %
(fileResults.results.index(result) + 1,
len(fileResults.results)), 3000)
self.setFocus()
def clear(self):
"""Clear themselves
"""
self._model.clear()
def appendResults(self, fileResultList):
"""Append results. Handler for signal from the search thread
"""
self._model.appendResults(fileResultList)
def getCheckedItems(self):
"""Get items, which must be replaced, as dictionary {file name : list of items}
"""
items = {}
for fileRes in self._model.fileResults:
for row, result in enumerate(fileRes.results):
if result.checkState == Qt.Checked:
if result.fileName not in items:
items[result.fileName] = []
items[result.fileName].append(result)
return items
def setReplaceMode(self, enabled):
"""When replace mode is enabled, dock shows checkbox near every item
"""
self._model.setReplaceMode(enabled)
if enabled:
if self._checkUncheckAll is None:
self._checkUncheckAll = CheckUncheckAllButton(self.titleBarWidget(), self._view, self._model)
self._checkUncheckAll.show()
else:
if self._checkUncheckAll is not None:
self._checkUncheckAll.hide()
def matchesCount(self):
"""Get count of matches, stored by the model
"""
return self._model.matchesCount()示例4: TapeWidget
# 需要导入模块: from PyQt5.QtWidgets import QTreeView [as 别名]
# 或者: from PyQt5.QtWidgets.QTreeView import setItemDelegate [as 别名]
class TapeWidget(QWidget):
def __init__(self, parent = None):
super().__init__(parent)
self._main_layout = QVBoxLayout(self)
self._search_box = QLineEdit(self)
self._button_layout = QHBoxLayout()
self._view = QTreeView()
self._view.setVerticalScrollMode(QAbstractItemView.ScrollPerPixel)
self._view.setSelectionMode(QAbstractItemView.ExtendedSelection)
self._view.setHeaderHidden(True)
self._add_note_button = QPushButton(self)
self._add_note_button.setText("New note")
self._add_child_button = QPushButton(self)
self._add_child_button.setText("New child")
self._add_sibling_button = QPushButton(self)
self._add_sibling_button.setText("New sibling")
self._delete_note_button = QPushButton(self)
self._delete_note_button.setText("Delete note")
self._button_layout.addWidget(self._add_note_button)
self._button_layout.addWidget(self._add_sibling_button)
self._button_layout.addWidget(self._add_child_button)
self._button_layout.addWidget(self._delete_note_button)
self._button_layout.addStretch()
self._main_layout.addWidget(self._search_box)
self._main_layout.addLayout(self._button_layout)
self._main_layout.addWidget(self._view)
self._tape_filter_proxy_model = TapeFilterProxyModel()
self._note_delegate = NoteDelegate()
self._tape_model = QStandardItemModel()
self.set_model(self._tape_model)
self._view.setItemDelegate(self._note_delegate)
self._view.setModel(self._tape_filter_proxy_model)
self._add_note_button.clicked.connect(lambda checked: self.add_and_focus_note())
self._add_sibling_button.clicked.connect(self._new_sibling_handler)
self._add_child_button.clicked.connect(self._new_child_handler)
self._delete_note_button.clicked.connect(self.delete_selected_notes)
self._search_box.textChanged.connect(self._tape_filter_proxy_model.setFilterFixedString)
def model(self):
""" Returns the model that contains all notes managed by the tape.
The model should be treated as read-only. You can only modify it indirectly through
the methods provided by TapeWidget. """
return self._tape_model
def proxy_model(self):
""" Returns the model that contains notes matching current filter.
The model should be treated as read-only. You can only modify it indirectly through
the methods provided by TapeWidget. """
return self._tape_filter_proxy_model
def set_model(self, model):
assert (
len(set([item_to_id(item) for item in all_items(model) if item_to_id(item) != None])) ==
len( [item_to_id(item) for item in all_items(model) if item_to_id(item) != None])
)
# NOTE: If there's an exception in setSourceModel(), we can hope that the source model
# remains unchanged. That's why we assing to _tape_model only if that instruction succeeds.
self._tape_filter_proxy_model.setSourceModel(model)
self._tape_model = model
def notes(self):
return all_notes(self._tape_model)
def assign_ids(self):
assign_note_ids(self._tape_model)
def create_empty_note(self):
return Note(
body = "",
tags = [],
created_at = datetime.utcnow()
)
def add_note(self, note = None, parent_index = None):
# NOTE: Remember to use indexes from _tape_model, not _tape_filter_proxy_model here
assert parent_index == None or self._tape_model.itemFromIndex(parent_index) != None and parent_index.isValid()
root_item = self._tape_model.invisibleRootItem()
if parent_index == None:
parent_item = root_item
else:
parent_item = self._tape_model.itemFromIndex(parent_index)
if note != None:
#.........这里部分代码省略.........