def createFileChooserDialog(filters, filename, prefs, prefkey, multiselect):
"""
Creates a file chooser dialog that remembers its last directory.
"""
fileChooser = JFileChooser()
# Add filters
if not hasattr(filters, '__iter__'):
filters = (filters, )
if filters:
for filter in filters:
fileChooser.addChoosableFileFilter(filter)
fileChooser.fileFilter = filters[0]
# Enable/disable multiple file select
fileChooser.setMultiSelectionEnabled(multiselect)
# Restore the last directory
if prefs and prefkey:
defaultDirName = prefs.get(prefkey, None)
if defaultDirName:
defaultDirectory = File(defaultDirName)
if defaultDirectory.exists():
fileChooser.currentDirectory = defaultDirectory
# Preset the file name
if filename:
fileChooser.selectedFile = File(fileChooser.currentDirectory, filename)
return fileChooser
def createFileChooserDialog(filters, filename, prefs, prefkey, multiselect):
"""
Creates a file chooser dialog that remembers its last directory.
"""
fileChooser = JFileChooser()
# Add filters
if not hasattr(filters, '__iter__'):
filters = (filters,)
if filters:
for filter in filters:
fileChooser.addChoosableFileFilter(filter)
fileChooser.fileFilter = filters[0]
# Enable/disable multiple file select
fileChooser.setMultiSelectionEnabled(multiselect)
# Restore the last directory
if prefs and prefkey:
defaultDirName = prefs.get(prefkey, None)
if defaultDirName:
defaultDirectory = File(defaultDirName)
if defaultDirectory.exists():
fileChooser.currentDirectory = defaultDirectory
# Preset the file name
if filename:
fileChooser.selectedFile = File(fileChooser.currentDirectory, filename)
return fileChooser
def saveFileDialog(parent, startingDir=None, title=None, extension=None):
# type: (java.awt.Component, str, str, str) -> (java.io.File, str)
"""Creates a fileChooser.showSaveDialog and returns the selected file.
Args:
* parent (java.awt.Component): Parent component.
* startingDir (str): Starting directory.
* title (str): Title of the dialog.
* fileFilter (str): Extension (without the dot) of the file to look for. E.g., "json"
Returns java.io.File and a string containing the last used directory."""
fileChooser = JFileChooser()
if startingDir is not None:
startingPath = File(startingDir)
fileChooser.setCurrentDirectory(startingPath)
if title is not None:
fileChooser.dialogTitle = title
# FileNameExtensionFilter
# https://docs.oracle.com/javase/8/docs/api/javax/swing/filechooser/FileNameExtensionFilter.html
if extension is not None:
extensionFilterString = "%s Files (*.%s)" % (extension.upper(),
extension)
extensionFilterList = [extension]
fil = FileNameExtensionFilter(extensionFilterString,
extensionFilterList)
fileChooser.fileFilter = fil
fileChooser.addChoosableFileFilter(fil)
fileChooser.fileSelectionMode = JFileChooser.FILES_ONLY
returnVal = fileChooser.showSaveDialog(parent)
if returnVal != JFileChooser.APPROVE_OPTION:
# export cancelled or there was an error
return None, ""
# store the used directory
lastDir = fileChooser.getCurrentDirectory().toString()
# get file path
selectedFile = fileChooser.getSelectedFile()
return selectedFile, lastDir
