PyQt4 [PyQt4]폴더 또는 파일을 드레그하여 그 경로를 LineEdit로 가져오기

예제 소스코드 (*.py)

import sys
from PyQt4 import QtGui, QtCore

class testDialog(QtGui.QDialog):
    def __init__(self, parent=None):
        super(testDialog, self).__init__(parent)

        form = QtGui.QFormLayout()
        form.setHorizontalSpacing(0)

        self.myedit = QtGui.QLineEdit()
        self.myedit.setDragEnabled(True)
        self.myedit.setAcceptDrops(True)
        self.myedit.installEventFilter(self)

        form.addWidget(self.myedit)

        self.setLayout(form)
        self.setGeometry(300, 300, 400, 0)
        self.setWindowTitle('drop test')

        self.myedit.textChanged.connect(self.editchange)   # new style signal slot connections

    @QtCore.pyqtSlot(str)   # int represent the column value
    def editchange(self,data):
        print "editchange:", unicode(data)

    def eventFilter(self, object, event):
        if (object is self.myedit):
            if (event.type() == QtCore.QEvent.DragEnter):
                if event.mimeData().hasUrls():
                    event.accept()   # must accept the dragEnterEvent or else the dropEvent can't occur !!!
                    print "accept"
                else:
                    event.ignore()
                    print "ignore"
            if (event.type() == QtCore.QEvent.Drop):
                if event.mimeData().hasUrls():   # if file or link is dropped
                    urlcount = len(event.mimeData().urls())  # count number of drops
                    url = event.mimeData().urls()[0]   # get first url
                    object.setText(unicode(url.toLocalFile()))   # assign first url to editline
                    #event.accept()  # doesnt appear to be needed
            return False # lets the event continue to the edit
        return False

if __name__ == "__main__":

    app = QtGui.QApplication([])
    dl = testDialog()
    dl.exec_()
    sys.exit(app.closeAllWindows())