Serge NOEL
105 lines
3.8 KiB
Python
105 lines
3.8 KiB
Python
# Sample script to show a JFrame for data entry.
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# The frame contains two JTextFields, and a button
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# which is inactive until data has been entered. Once
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# activated, the button prints a little diagnostic
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# message when clicked. The print statement can be
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# changed to include whatever desired, e.g. throw a turnout,
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# program a CV, etc.
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#
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# Comments for/by a non-programmer.
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# To get this to script to run, start DecoderPro
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# (set preferences to "Loconet Simulator to run without connecting to a layout),
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# then under Panels select Run Script. Now find and select this script
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# in the jython folder of the JMRI program. This script
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# creates a panel called "Data entry" with two fields that
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# data is entered in. The script waits for something in both
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# fields to be entered and then enables "Enter values". When
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# "Enter values" button is clicked, it causes the data to be displayed
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# on the Java console and the "Data entry" panel to disappear.
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# To see the output on the Java console you need to open the
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# Java console. On a Windows System the Java console can be
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# displayed by clicking the icon for it on the Taskbar.
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# comments added by wsthompson@earthlink.net 20061101
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#
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# Added comment explaining how to change field size.
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# by wsthompson@earthlink.net 20090202
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#
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#
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#
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# Author: Bob Jacobsen, copyright 2004, 2006
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# Part of the JMRI distribution
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import jmri
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import java
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import javax.swing
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# create a frame to hold the button, set up for nice layout
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f = javax.swing.JFrame("Data entry") # argument is the frames title
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f.contentPane.setLayout(javax.swing.BoxLayout(f.contentPane, javax.swing.BoxLayout.Y_AXIS))
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# keep track of whether both fields have been changed
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addressChanged = False # True means the field has changed
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commandChanged = False
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# Create the first text field
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# Sized to show 5 characters, initially empty
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# To make the field a different size, change the (5) to the desired size
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address = javax.swing.JTextField(5)
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# put the text field on a line preceded by a label
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temppanel1 = javax.swing.JPanel()
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temppanel1.add(javax.swing.JLabel("Address"))
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temppanel1.add(address)
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# create the second text field similarly
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command = javax.swing.JTextField(5) # sized to show 5 characters
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temppanel2 = javax.swing.JPanel()
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temppanel2.add(javax.swing.JLabel("Command"))
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temppanel2.add(command)
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# have that text field enable the button when OK
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def whenAddressChanged(event) :
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global addressChanged, commandChanged
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if (address.text != "") : # address only changed if a value was entered
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addressChanged = True
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if (commandChanged and addressChanged) : # if both have been changed
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enterButton.setEnabled(True)
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return
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address.actionPerformed = whenAddressChanged # if user hit return or enter
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address.focusLost = whenAddressChanged # if user tabs away
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# have that 2nd text field enable the button when OK also
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def whenCommandChanged(event) :
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global addressChanged, commandChanged
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if (command.text != "") :
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commandChanged = True
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if (commandChanged and addressChanged) :
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enterButton.setEnabled(True)
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return
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command.actionPerformed = whenCommandChanged
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command.focusLost = whenCommandChanged
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# create the button
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enterButton = javax.swing.JButton("Enter values")
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enterButton.setEnabled(False) # button starts as grayed out (disabled)
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# define what button does when clicked and attach that routine to the button
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def whenMyButtonClicked(event) :
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print "clicked with address: ", address.text, " command: ", command.text
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f.dispose()
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return
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enterButton.actionPerformed = whenMyButtonClicked
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# Put contents in frame and display
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f.contentPane.add(temppanel1)
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f.contentPane.add(temppanel2)
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f.contentPane.add(enterButton)
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f.pack()
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f.show()
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