Someone posted on the Qt Wiki an Extended Dir View sample today,
I've tried to convert it to PyQt4, so here it is :
>-----------------------------------------------------------------
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# ExtendedDirView sample
# from QtWiki :
# http://wiki.qtcentre.org/index.php?title=Extended_Dir_View_example
import sys
from PyQt4 import QtGui, QtCore
class ExtendedDirView(QtGui.QMainWindow):
def __init__(self):
QtGui.QMainWindow.__init__(self)
self.model = QtGui.QDirModel(self)
self.model.setReadOnly(False)
self.tree = QtGui.QTreeView()
self.tree.setModel(self.model)
self.tree.setDragEnabled(True)
self.tree.setAcceptDrops(True)
self.list = QtGui.QListView()
self.list.setModel(self.model)
self.list.setDragEnabled(True)
self.list.setAcceptDrops(True)
self.splitter = QtGui.QSplitter(self)
self.splitter.addWidget(self.tree)
self.splitter.addWidget(self.list)
self.setCentralWidget(self.splitter)
self.history = []
self.future = []
QtCore.QObject.connect(self.tree,
QtCore.SIGNAL("clicked(QModelIndex)"),
self.setRootIndex)
QtCore.QObject.connect(self.list,
QtCore.SIGNAL("doubleClicked(QModelIndex)"),
self.setRootIndex)
self.toolBar = self.addToolBar(self.tr("&Location Toolbar"))
self.backAction = self.toolBar.addAction(self.tr("&Back"),
self.goBack)
self.forwardAction =
self.toolBar.addAction(self.tr("&Forward"), self.goForward)
self.upAction = self.toolBar.addAction(self.tr("&Up"),
self.goUp)
self.homeAction = self.toolBar.addAction(self.tr("&Home"),
self.goHome)
self.refreshAction =
self.toolBar.addAction(self.tr("&Refresh"), self.refresh)
self.currentPath = QtCore.QDir.homePath()
self.setRootIndex(self.model.index(self.currentPath), False)
def goBack(self):
self.future.append(self.currentPath)
currentPath = self.history.pop()
self.setRootIndex(self.model.index(self.currentPath), False)
def goForward(self):
self.history.append(self.currentPath)
try:
self.currentPath = self.future.pop()
except:
pass
self.setRootIndex(self.model.index(self.currentPath), False)
def goUp(self):
root = self.list.rootIndex()
self.setRootIndex(root.parent())
def goHome(self):
path = QtCore.QDir.homePath()
self.setRootIndex(self.model.index(path))
def refresh(self):
self.model.refresh(self.list.rootIndex())
def setRootIndex(self, index, remember = True):
if index != self.list.rootIndex() and
self.model.fileInfo(index).isDir():
if remember:
self.future = []
self.history.append(self.currentPath)
currentPath = self.model.filePath(index)
self.list.setRootIndex(index)
self.tree.setCurrentIndex(index)
self.updateActions()
def updateActions(self):
if len(self.history) > 0 :
self.backAction.setEnabled(True)
if len(self.future) > 0 :
self.forwardAction.setEnabled(True)
self.upAction.setEnabled(self.list.rootIndex().isValid())
if __name__ == "__main__":
app = QtGui.QApplication(sys.argv)
window = ExtendedDirView()
window.show()
sys.exit(app.exec_())
>-----------------------------------------------------------------
If you see any errors, please tell me.
Cheers,
Christophe K.
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