def dropMimeData(self, data, action, row, column, parent):
if data.hasFormat("application/target.tableitem.creepy"):
encodedData = data.data("application/target.tableitem.creepy")
stream = QDataStream(encodedData, QIODevice.ReadOnly)
columnsList = []
qVariant = QVariant()
while not stream.atEnd():
stream >> qVariant
columnsList.append(qVariant.toPyObject())
draggedRows = [columnsList[x : x + 5] for x in range(0, len(columnsList), 5)]
droppedRows = []
for row in draggedRows:
# Ensure we are not putting duplicates in the target list
existed = False
for target in self.targets:
if row[2] == target["targetUsername"] and row[0] == target["pluginName"]:
existed = True
if not existed:
droppedRows.append(
{
"targetUsername": row[2],
"targetFullname": row[3],
"targetPicture": row[1],
"targetUserid": row[4],
"pluginName": row[0],
}
)
self.insertRows(droppedRows, len(droppedRows), parent)
return True
def dropMimeData(self, data, action, row, column, parent):
if data.hasFormat('application/target.tableitem.creepy'):
encodedData = data.data('application/target.tableitem.creepy')
stream = QDataStream(encodedData, QIODevice.ReadOnly)
columnsList = []
qVariant = QVariant()
while not stream.atEnd():
stream >> qVariant
columnsList.append(qVariant.toPyObject())
draggedRows = [
columnsList[x:x + 5] for x in range(0, len(columnsList), 5)
]
droppedRows = []
for row in draggedRows:
#Ensure we are not putting duplicates in the target list
existed = False
for target in self.targets:
if row[2] == target['targetUsername'] and row[0] == target[
'pluginName']:
existed = True
if not existed:
droppedRows.append({
'targetUsername': row[2],
'targetFullname': row[3],
'targetPicture': row[1],
'targetUserid': row[4],
'pluginName': row[0]
})
self.insertRows(droppedRows, len(droppedRows), parent)
return True
http://blog.csdn.net/fengyu09/article/details/37738193
pyqt中，要给QAbstractTableModel的setData函数传递一个list参数：
[20,'00:00:19']
涉及到QVariant和list的转换。
可以使用QVariant类中的toPyObject是转换。
环境是：Python 2.7.6 pyqt4 4.8.6
有文章说是，toPyObject只能转换字符串，而且只能转换字典。
测试一下，支持数字，支持字典和列表。
"""
# coding:utf-8
from PyQt4.QtCore import QVariant
a = {2: '10', 3: '00:00:09'}
aa = QVariant(a)
b = aa.toPyObject()
print b
print(b[2], b[3])
# 分割线
print('*' * 8)
a = [20, '00:00:19']
aa = QVariant(a)
b = aa.toPyObject()
print b
print(b[0], b[1])
class GraphicsWidget(RWidget):
def __init__(self, parent):
RWidget.__init__(self, parent)
self.parent = parent
self._hist = History(items=[])
self._currentPlot = QVariant(QString())
self.callLineEdit = QLineEdit()
self.callLineEdit.setReadOnly(True)
self.callLineEdit.setToolTip("Commands to reproduce plot")
self.callLineEdit.setWhatsThis("Commands to reproduce plot")
actions = []
# playAction = QAction("Replay", self)
# playAction.setStatusTip("Replay selected plot")
# playAction.setToolTip("Replay selected plot")
# playAction.setIcon(QIcon(":edit-copy"))
# actions.append(playAction)
firstAction = QAction("End", self)
firstAction.setStatusTip("Move to end of history")
firstAction.setToolTip("Move to end of history")
firstAction.setIcon(QIcon(":go-first"))
actions.append(firstAction)
previousAction = QAction("Previous", self)
previousAction.setStatusTip("Move to previous plot")
previousAction.setToolTip("Move to previous plot")
previousAction.setIcon(QIcon(":go-previous"))
actions.append(previousAction)
infoAction = QAction("Info", self)
infoAction.setStatusTip("Show plot info")
infoAction.setToolTip("Show plot info")
infoAction.setIcon(QIcon(":gtk-info"))
actions.append(infoAction)
nextAction = QAction("Next", self)
nextAction.setStatusTip("Move to next plot")
nextAction.setToolTip("Move to next plot")
nextAction.setIcon(QIcon(":go-next"))
actions.append(nextAction)
lastAction = QAction("Start", self)
lastAction.setStatusTip("Move to latest plot")
lastAction.setToolTip("Move to latest plot")
lastAction.setIcon(QIcon(":go-last"))
actions.append(lastAction)
actions.append(None)
clearAction = QAction("Clear", self)
clearAction.setStatusTip("Clear plot history")
clearAction.setToolTip("Clear plot history")
clearAction.setIcon(QIcon(":edit-clear"))
actions.append(clearAction)
hbox = QHBoxLayout()
for action in actions:
if not action is None:
button = QToolButton()
button.setDefaultAction(action)
button.setAutoRaise(True)
hbox.addWidget(button)
else:
hbox.addWidget(self.callLineEdit)
self.setLayout(hbox)
self.connect(firstAction, SIGNAL("triggered()"), self.first)
self.connect(previousAction, SIGNAL("triggered()"), self.previous)
self.connect(infoAction, SIGNAL("triggered()"), self.info)
self.connect(nextAction, SIGNAL("triggered()"), self.next)
self.connect(lastAction, SIGNAL("triggered()"), self.last)
self.connect(clearAction, SIGNAL("triggered()"), self.clear)
def setHistory(self, history):
self._hist = history
def history(self):
return self._hist
def previous(self):
return self.navigateHistory(True)
def next(self):
return self.navigateHistory(False)
def navigateHistory(self, up=True):
if up:
self._currentPlot = self.history().previous()
else:
self._currentPlot = self.history().next()
tmp = self._currentPlot.toPyObject()
if not tmp == QString():
self.callLineEdit.setText(tmp[2])
return self._currentPlot
def first(self):
temp = self.previous()
item = self._currentPlot
while not isinstance(temp,QVariant):
item = temp
temp = self.previous()
self._currentPlot = item
def last(self):
temp = self.next()
item = self._currentPlot
while not isinstance(temp,QVariant):
item = temp
temp = self.next()
self._currentPlot = item
def info(self):
plot = self._currentPlot.toPyObject()
if isinstance(plot,QString):
return
plot = self._currentPlot.toPyObject()
msgBox = QMessageBox()
msgBox.setText("Plot information:")
msgBox.setInformativeText("Original device: %s" % str(plot[0])
+"\nHistory position: %s" % str(self.history().currentIndex()+1)
+"\nSize: %s bytes" % str(plot[1])
+"\n\nWould you like to replay the plot now?")
msgBox.setDetailedText("Original call:\n%s" % plot[2])
msgBox.setStandardButtons(QMessageBox.Ok | QMessageBox.Close)
msgBox.setDefaultButton(QMessageBox.Ok)
if msgBox.exec_() == QMessageBox.Ok:
print plot[3]
def clear(self):
self.setHistory(History(items=[]))
self.callLineEdit.setText(QString())
def updateHistory(self, item):
self.history().update([item])
self.previous()
