| 1 | title = 'Pmw.PanedWidget demonstration' |
| 2 | |
| 3 | # Import Pmw from this directory tree. |
| 4 | import sys |
| 5 | sys.path[:0] = ['../../..'] |
| 6 | |
| 7 | import Tkinter |
| 8 | import Pmw |
| 9 | |
| 10 | class Demo: |
| 11 | def __init__(self, parent): |
| 12 | |
| 13 | # Create a main PanedWidget with a few panes. |
| 14 | self.pw = Pmw.PanedWidget(parent, |
| 15 | orient='vertical', |
| 16 | hull_borderwidth = 1, |
| 17 | hull_relief = 'sunken', |
| 18 | hull_width=300, |
| 19 | hull_height=400) |
| 20 | for self.numPanes in range(4): |
| 21 | if self.numPanes == 1: |
| 22 | name = 'Fixed size' |
| 23 | pane = self.pw.add(name, min = .1, max = .1) |
| 24 | else: |
| 25 | name = 'Pane ' + str(self.numPanes) |
| 26 | pane = self.pw.add(name, min = .1, size = .25) |
| 27 | label = Tkinter.Label(pane, text = name) |
| 28 | label.pack(side = 'left', expand = 1) |
| 29 | button = Tkinter.Button(pane, text = 'Delete', |
| 30 | command = lambda s=self, n=name: s.deletePane(n)) |
| 31 | button.pack(side = 'left', expand = 1) |
| 32 | # TODO: add buttons to invoke self.moveOneUp and self.moveOneUp. |
| 33 | |
| 34 | self.pw.pack(expand = 1, fill='both') |
| 35 | |
| 36 | buttonBox = Pmw.ButtonBox(parent) |
| 37 | buttonBox.pack(fill = 'x') |
| 38 | buttonBox.add('Add pane', command = self.addPane) |
| 39 | buttonBox.add('Move pane', command = self.move) |
| 40 | self.moveSrc = 0 |
| 41 | self.moveNewPos = 1 |
| 42 | self.moveBack = 0 |
| 43 | |
| 44 | def move(self): |
| 45 | numPanes = len(self.pw.panes()) |
| 46 | if numPanes == 0: |
| 47 | print 'No panes to move!' |
| 48 | return |
| 49 | |
| 50 | if self.moveSrc >= numPanes: |
| 51 | self.moveSrc = numPanes - 1 |
| 52 | if self.moveNewPos >= numPanes: |
| 53 | self.moveNewPos = numPanes - 1 |
| 54 | print 'Moving pane', self.moveSrc, 'to new position', self.moveNewPos |
| 55 | self.pw.move(self.moveSrc, self.moveNewPos) |
| 56 | |
| 57 | self.moveSrc, self.moveNewPos = self.moveNewPos, self.moveSrc |
| 58 | if self.moveBack: |
| 59 | if self.moveNewPos == numPanes - 1: |
| 60 | self.moveNewPos = 0 |
| 61 | if self.moveSrc == numPanes - 1: |
| 62 | self.moveSrc = 0 |
| 63 | else: |
| 64 | self.moveSrc = self.moveSrc + 1 |
| 65 | else: |
| 66 | self.moveNewPos = self.moveNewPos + 1 |
| 67 | self.moveBack = not self.moveBack |
| 68 | |
| 69 | def addPane(self): |
| 70 | self.numPanes = self.numPanes + 1 |
| 71 | name = 'Pane ' + str(self.numPanes) |
| 72 | print 'Adding', name |
| 73 | pane = self.pw.add(name, min = .1, size = .25) |
| 74 | label = Tkinter.Label(pane, text = name) |
| 75 | label.pack(side = 'left', expand = 1) |
| 76 | button = Tkinter.Button(pane, text = 'Delete', |
| 77 | command = lambda s=self, n=name: s.deletePane(n)) |
| 78 | button.pack(side = 'left', expand = 1) |
| 79 | self.pw.updatelayout() |
| 80 | |
| 81 | def deletePane(self, name): |
| 82 | print 'Deleting', name |
| 83 | self.pw.delete(name) |
| 84 | self.pw.updatelayout() |
| 85 | |
| 86 | def moveOneUp(self, name): |
| 87 | self.pw.move(name, name, -1) |
| 88 | |
| 89 | def moveOneDown(self, name): |
| 90 | self.pw.move(name, name, 1) |
| 91 | |
| 92 | ###################################################################### |
| 93 | |
| 94 | # Create demo in root window for testing. |
| 95 | if __name__ == '__main__': |
| 96 | root = Tkinter.Tk() |
| 97 | Pmw.initialise(root) |
| 98 | root.title(title) |
| 99 | |
| 100 | exitButton = Tkinter.Button(root, text = 'Exit', command = root.destroy) |
| 101 | exitButton.pack(side = 'bottom') |
| 102 | widget = Demo(root) |
| 103 | root.mainloop() |