Python JTextArea.getDocument方法代码示例

# 需要导入模块: from javax.swing import JTextArea [as 别名]
# 或者: from javax.swing.JTextArea import getDocument [as 别名]
class ConsoleView(JPanel):

    def __init__(self, controller):
        '''
        Creates default empty console-looking panel.
        It should be separated from the rest of the GUI so that users can choose
        to show or hide the console. Or should it be a split panel?
        This panel will display log and validation/lemmatization messages.
        It might need its own toolbar for searching, etc.
        It will also accept commands in later stages of development, if need be.
        '''

        # Give reference to controller to delegate action response
        self.controller = controller

        # Make text area occupy all available space and resize with parent window
        self.setLayout(BorderLayout())

        #Create console-looking area
        self.editArea = JTextArea()
        self.editArea.border = BorderFactory.createEmptyBorder(4,4,4,4)
        self.editArea.font = Font("Courier New", Font.BOLD, 14)
        self.editArea.background = Color.BLACK
        self.editArea.foreground = Color.WHITE
        self.editArea.text = "Console started. Nammu's log will appear here.\n\n"

        # Disable writting in the console
        self.editArea.setEditable(False)

        # Will need scrolling controls
        scrollingText = JScrollPane(self.editArea)
        scrollingText.setPreferredSize(Dimension(1,150))

        # Make text area auto scroll down to last printed line
        caret = self.editArea.getCaret();
        caret.setUpdatePolicy(DefaultCaret.ALWAYS_UPDATE);

        # Add to parent panel
        self.add(scrollingText, BorderLayout.CENTER)


    def scroll(self):
        '''
        Scroll down to bottom.
        '''
        self.editArea.setCaretPosition(self.editArea.getDocument().getLength())

# 需要导入模块: from javax.swing import JTextArea [as 别名]
# 或者: from javax.swing.JTextArea import getDocument [as 别名]

#.........这里部分代码省略.........
        self.logScrollPane.setVerticalScrollBarPolicy(
            JScrollPane.VERTICAL_SCROLLBAR_ALWAYS)
        self.logScrollBar = self.logScrollPane.getVerticalScrollBar()
        self.log_panel.add(self.logScrollPane, BorderLayout.CENTER)

        # File selectors
        self.inputChooser = JFileChooser()
        self.inputChooser.fileSelectionMode = JFileChooser.FILES_AND_DIRECTORIES

        self.outputChooser = JFileChooser()
        defaultOutputFile = os.path.join(System.getProperty("user.home"),
                                         "sasi_project.zip")

        self.outputChooser.setSelectedFile(File(defaultOutputFile));
        self.outputChooser.fileSelectionMode = JFileChooser.FILES_ONLY

        self.frame.setLocationRelativeTo(None)
        self.frame.visible = True

    def browseInstructions(self, event):
        """ Open a browser to the instructions page. """
        browseURI(self.instructionsURI)

    def itemStateChanged(self, event):
        """ Listen for checkbox changes. """
        checkBox = event.getItemSelectable()
        is_selected = (event.getStateChange() == ItemEvent.SELECTED)
        result_field = self.resultFieldCheckBoxes[checkBox]
        self.selected_result_fields[result_field['id']] = is_selected

    def log_msg(self, msg):
        """ Print message to log and scroll to bottom. """
        self.log.append(msg + "\n")
        self.log.setCaretPosition(self.log.getDocument().getLength())

    def openInputChooser(self, event):
        ret = self.inputChooser.showOpenDialog(self.frame)
        if ret == JFileChooser.APPROVE_OPTION:
            self.selected_input_file = self.inputChooser.selectedFile
            self.log_msg("Selected '%s' as input." % self.selected_input_file.path)

    def openOutputChooser(self, event):
        ret = self.outputChooser.showSaveDialog(self.frame)
        if ret == JFileChooser.APPROVE_OPTION:
            selectedPath = self.outputChooser.selectedFile.path
            if not selectedPath.endswith('.zip'):
                zipPath = selectedPath + '.zip'
                self.outputChooser.setSelectedFile(File(zipPath))
            self.selected_output_file = self.outputChooser.selectedFile
            self.log_msg(
                "Selected '%s' as output." % self.selected_output_file.path)

    def runSASI(self, event):
        try:
            self.validateParameters()
        except Exception as e:
            self.log_msg("ERROR: '%s'" % e)

        # Run task in a separate thread, so that log
        # messages will be shown as task progresses.
        def run_task():
            self.tmp_dir = tempfile.mkdtemp(prefix="sasi_runner.")
            self.db_file = os.path.join(self.tmp_dir, "sasi_runner.db")

            self.progressBar.setValue(0)
            self.progressBar.setIndeterminate(True)

# 需要导入模块: from javax.swing import JTextArea [as 别名]
# 或者: from javax.swing.JTextArea import getDocument [as 别名]
class JythonGui(object):
    def __init__(self, instructionsURI=""):
        self.instructionsURI = instructionsURI

        self.logger = logging.getLogger("sasi_gridder_gui")
        self.logger.addHandler(logging.StreamHandler())

        def log_fn(msg):
            self.log_msg(msg)

        self.logger.addHandler(FnLogHandler(log_fn))
        self.logger.setLevel(logging.DEBUG)

        self.selected_input_file = None
        self.selected_output_file = None

        self.frame = JFrame("SASI Gridder", defaultCloseOperation=WindowConstants.EXIT_ON_CLOSE)
        self.frame.size = (650, 600)

        self.main_panel = JPanel()
        self.main_panel.layout = BoxLayout(self.main_panel, BoxLayout.Y_AXIS)
        self.frame.add(self.main_panel)

        self.top_panel = JPanel(SpringLayout())
        self.top_panel.alignmentX = Component.CENTER_ALIGNMENT
        self.main_panel.add(self.top_panel)

        self.stageCounter = 1

        def getStageLabel(txt):
            label = JLabel("%s. %s" % (self.stageCounter, txt))
            self.stageCounter += 1
            return label

        # Instructions link.
        self.top_panel.add(getStageLabel("Read the instructions:"))
        instructionsButton = JButton(
            ('<HTML><FONT color="#000099">' "<U>open instructions</U></FONT><HTML>"),
            actionPerformed=self.browseInstructions,
        )
        instructionsButton.setHorizontalAlignment(SwingConstants.LEFT)
        instructionsButton.setBorderPainted(False)
        instructionsButton.setOpaque(False)
        instructionsButton.setBackground(Color.WHITE)
        instructionsButton.setToolTipText(self.instructionsURI)
        self.top_panel.add(instructionsButton)

        # Select input elements.
        self.top_panel.add(getStageLabel("Select an input data folder:"))
        self.top_panel.add(JButton("Select input...", actionPerformed=self.openInputChooser))

        # Select output elements.
        self.top_panel.add(getStageLabel("Specify an output file:"))
        self.top_panel.add(JButton("Specify output...", actionPerformed=self.openOutputChooser))

        # Run elements.
        self.top_panel.add(getStageLabel("Run SASI Gridder: (this might take a hwile"))
        self.run_button = JButton("Run...", actionPerformed=self.runSASIGridder)
        self.top_panel.add(self.run_button)

        SpringUtilities.makeCompactGrid(self.top_panel, self.stageCounter - 1, 2, 6, 6, 6, 6)

        # Progress bar.
        self.progressBar = JProgressBar(0, 100)
        self.main_panel.add(self.progressBar)

        # Log panel.
        self.log_panel = JPanel()
        self.log_panel.alignmentX = Component.CENTER_ALIGNMENT
        self.log_panel.setBorder(EmptyBorder(10, 10, 10, 10))
        self.main_panel.add(self.log_panel)
        self.log_panel.setLayout(BorderLayout())
        self.log = JTextArea()
        self.log.editable = False
        self.logScrollPane = JScrollPane(self.log)
        self.logScrollPane.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS)
        self.log_panel.add(self.logScrollPane, BorderLayout.CENTER)

        # File selectors
        self.inputChooser = JFileChooser()
        self.inputChooser.fileSelectionMode = JFileChooser.FILES_AND_DIRECTORIES
        self.outputChooser = JFileChooser()
        self.outputChooser.fileSelectionMode = JFileChooser.FILES_ONLY
        defaultOutputFile = os.path.join(System.getProperty("user.home"), "gridded_efforts.csv")
        self.outputChooser.setSelectedFile(File(defaultOutputFile))

        self.frame.setLocationRelativeTo(None)
        self.frame.visible = True

    def browseInstructions(self, event):
        """ Open a browser to the instructions page. """
        browseURI(self.instructionsURI)
        return

    def log_msg(self, msg):
        self.log.append(msg + "\n")
        self.log.setCaretPosition(self.log.getDocument().getLength())

    def openInputChooser(self, event):
        ret = self.inputChooser.showOpenDialog(self.frame)
#.........这里部分代码省略.........