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

[Fran Ruiz]

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restore it upon startup.

On Sat, Jan 16, 2010 at 5:43 PM, Jebagnana Das <jebagnanadas at gmail.com>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.addToList)
>         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_12637fd44b798078&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!
>
> _______________________________________________
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>
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