imageJ-Frame-open-button.py

from javax.swing import JButton, JFrame
from ij.io import Opener
from ij import IJ, ImagePlus
import sys

class MyFrame(JFrame):
    def __init__(self):
        JFrame.__init__(self, "Hello Jython")
        button = JButton("Open", actionPerformed=self.openPushed)
        self.add(button)
        self.setSize(300, 300)
        self.show()

    def openPushed(self, event):
        imagePath = IJ.getFilePath("Choose image")
#        imp = Opener().openImage(imagePath)
#        imp = ImagePlus(imagePath)
        imp = IJ.openImage(imagePath)
        imp.show()

if __name__=="__main__":
    MyFrame()