[PyQt] QDirmodel - Removing a directory and it's descendents..

[Jebagnana Das]

Thanks detlev for your suggestion.. Could you please give me any example
code snippet?. Bcoz. i'm totally new to model/view programming and pyqt.

On Sun, Jan 17, 2010 at 5:03 PM, detlev <detlev at die-offenbachs.de> wrote:

> Hi,
>
> how about using a QSortFilterProxy model to filter the excluded ones?
>
> Detlev
>
> On Samstag, 16. Januar 2010, Jebagnana Das wrote:
> > Hello all,
> >         Greetings.. After a spending a long time for googling i found the
> > way to list the contents of a particular directory. Thanks to QDirModel.
> >
> >        My aim here is to allow the user to exclude specific directories
> > within the chosen directory.. After adding a particular directory to the
> > exclusion list(on the right side)the selected directory and it's
> >  descendents should be removed(or hidden)from the tree view so that the
> >  user is not allowed to select the same folder again..
> >
> >       Given here the minimal example needed for my app.. In this example
> > when the user presses add to exclude list push button the folder is added
> >  to the exclude folders listwidget..
> >
> > from PyQt4 import QtCore, QtGui
> >
> > class Ui_Dialog(QtGui.QDialog):
> >
> >     def __init__(self,parent=None):
> >         QtGui.QDialog.__init__(self,parent)
> >         self.resize(600, 500)
> >
> >         self.model = QtGui.QDirModel()
> >         self.tree = QtGui.QTreeView(self)
> >         self.tree.setModel(self.model)
> >         self.model.setFilter(QtCore.QDir.Dirs|QtCore.QDir.NoDotAndDotDot)
> >         self.tree.setSortingEnabled(True)
> >
> >
> self.tree.setRootIndex(self.model.index("/home/jebagnanadasa/Python-3.1.1")
> > )
> >
> >         self.tree.hideColumn(1)
> >         self.tree.setWindowTitle("Dir View")
> >         self.tree.resize(400, 480)
> >         self.tree.setColumnWidth(0,150)
> >         self.tree.show()
> >
> >         self.pushButton = QtGui.QPushButton(self)
> >         self.pushButton.setGeometry(QtCore.QRect(420, 30, 151, 28))
> >         self.listWidget = QtGui.QListWidget(self)
> >         self.listWidget.setGeometry(QtCore.QRect(410, 80, 171, 231))
> >
> >         QtCore.QObject.connect(self.tree,
> > QtCore.SIGNAL("clicked(QModelIndex)"), self.test)
> >
> >
> QtCore.QObject.connect(self.pushButton,QtCore.SIGNAL('clicked()'),self.addT
> > oList) QtCore.QMetaObject.connectSlotsByName(self)
> >
> >         self.setWindowTitle(QtGui.QApplication.translate("Dialog",
> >  "Dialog", None, QtGui.QApplication.UnicodeUTF8))
> >         self.pushButton.setText(QtGui.QApplication.translate("Dialog",
> "Add
> > to Exclude List", None, QtGui.QApplication.UnicodeUTF8))
> >
> >     def test(self,index):
> >
> >         if self.model.data(index.parent())=="jebagnanadasa":
> >             self.selectedDirectoryPath=self.model.data(index)
> >             print(self.selectedDirectoryPath)
> >         else:
> >             dirHierarchy=[]
> >             dirHierarchy.insert(0,self.model.data(index))
> >             while (self.model.data(index.parent())!="jebagnanadasa"):
> >                 index=index.parent()
> >                 dirHierarchy.insert(0,self.model.data(index))
> >             self.selectedDirectoryPath="/".join(dirHierarchy)
> >             print(self.selectedDirectoryPath)
> >
> >         #self.model.removeRow(0,index)
> >
> >     def addToList(self):
> >         self.listWidget.addItem(self.selectedDirectoryPath)
> >
> >
> > if __name__ == "__main__":
> >     import sys
> >     app = QtGui.QApplication(sys.argv)
> >     ui = Ui_Dialog()
> >     ui.show()
> >     sys.exit(app.exec_())
> >
> > See the screenshot also..
> >
> > [image:
> >
> ?ui=2&view=att&th=12637fd44b798078&attid=0.1&disp=attd&realattid=ii_12637fd
> > 44b798078&zw]
> >
> > Is there a way that i can make the excluded directories to be ignored
> when
> > displaying the contents of the directory on consecutive startup(since it
> >  was already on the exclusion list)?
> >
> > Any help would be much appreciated.. Thanks..
> >
> > P.S: remove() and rmdir() is not recommended since it deletes the
> > directories entirely from the file System!
> >
>
>
> --
> Detlev Offenbach
> detlev at die-offenbachs.de
>
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