|
Size: 2714
Comment: converted to 1.6 markup
|
Size: 200
Comment:
|
| Deletions are marked like this. | Additions are marked like this. |
| Line 1: | Line 1: |
| #format wiki #language en #pragma section-numbers off = Swing JTtee Example = back to SwingExamples ---- {{{#!python """ Swing JTree example in Jyhton. Sticking with my City theme, this createa a J tree with 2 branches one with cities starting with M and the other branch with cties starting with S. This examples using a button event to show the selected city. Greg Moore Sept 2007 """ from javax.swing import * from java.awt import * from javax.swing.tree import DefaultMutableTreeNode class Example: def __init__(self): mCitiesData = ['Memphis', 'Melbourne', 'Milan', 'Marrakech', 'Moscow', 'Munich'] sCitiesData = ['San Francisco', 'Salzburg', 'Santiago', 'Sydney', 'Sandnessjoen', 'Stockholm'] frame = JFrame("Jython JTree Example") frame.setSize(400, 350) frame.setLayout(BorderLayout()) root = DefaultMutableTreeNode('Cities') mCities = DefaultMutableTreeNode('Cities starting with M') sCities = DefaultMutableTreeNode('Cities starting with S') root.add(mCities) root.add(sCities) #now add the cities starting with M & S self.addCities(mCities, mCitiesData) self.addCities(sCities, sCitiesData) self.tree = JTree(root) scrollPane = JScrollPane() # add a scrollbar to the viewport scrollPane.setPreferredSize(Dimension(300,250)) scrollPane.getViewport().setView((self.tree)) panel = JPanel() panel.add(scrollPane) frame.add(panel, BorderLayout.CENTER) btn = JButton('Select', actionPerformed = self.citySelect) frame.add(btn,BorderLayout.SOUTH) self.label = JLabel('Select city') frame.add(self.label, BorderLayout.NORTH) frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE) frame.setVisible(True) self.addCities def addCities(self, branch, branchData=None): ''' add data to tree branch requires branch and data to add to branch ''' # this does not check to see if its a valid branch if branchData == None: branch.add(DefaultMutableTreeNode('No valid data')) else: for item in branchData: # add the data from the specified list to the branch branch.add(DefaultMutableTreeNode(item)) def citySelect(self, event): selected = self.tree.getLastSelectedPathComponent() #check to make sure a city is selected if selected == None: self.label.text = 'No city selected' else: self.label.text = str(selected) #this is more Jythonic then: #self.label.text = selected.toString() if __name__ == '__main__': Example() }}} back to SwingExamples |
I like Chainmail making. Seems boring? Not!<<BR>> I also to learn Portuguese in my spare time.<<BR>> <<BR>> Feel free to surf to my weblog :: [[https://fvv.kr/i7gamingcomputer89703|gaming mouse]] |
I like Chainmail making. Seems boring? Not!
I also to learn Portuguese in my spare time.
Feel free to surf to my weblog :: gaming mouse