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<TITLE>PmwTreeBrowse.py</TITLE>
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<PRE>
import Pmw
import Tkinter
<STRONG><FONT COLOR="#CC6600">class DoubleSelects</FONT></STRONG>:
<STRONG> def __init__</STRONG>(self, hull):
self.level = len(hull.treeLevel) <FONT COLOR="#DD0000">#hasn't been added to list yet!</FONT>
self._hull = hull
self.name = "Pane 0"
hull.browser.add(self.name, min= .1,size=150 )
num = len(hull.browser.panes())
rel = 1.0/num
print "REL", rel
hull.browser.configure(hull_width=num*150)
for i in range(num):
hull.browser.configurepane(i,size=rel)
self.innerPane = Pmw.PanedWidget(hull.browser.pane(self.name))
self.topName = <FONT COLOR="#009900">'Pane '</FONT> + str(num) + <FONT COLOR="#009900">"t"</FONT>
self.innerPane.add(self.topName, size = .5,)
self.topBox = Pmw.ScrolledListBox(self.innerPane.pane(self.topName),
listbox_selectmode=<FONT COLOR="#009900">'single'</FONT>,
vscrollmode = <FONT COLOR="#009900">'dynamic'</FONT>,
selectioncommand=self.selectionNodeCommand,
dblclickcommand=self.defNodeCmd)
self.topBox.pack(fill= <FONT COLOR="#009900">'both'</FONT>, expand = <FONT COLOR="#009900">'yes'</FONT>, padx=0, pady=0)
self.topBox.component(<FONT COLOR="#009900">'listbox'</FONT>).configure(exportselection=0)
self.bottomName = <FONT COLOR="#009900">'Pane '</FONT> + str(num) + <FONT COLOR="#009900">"b"</FONT>
self.innerPane.add(self.bottomName, size=.5 ,)
self.bottomBox = Pmw.ScrolledListBox(
self.innerPane.pane(self.bottomName),
listbox_selectmode=<FONT COLOR="#009900">'single'</FONT>,
vscrollmode = <FONT COLOR="#009900">'dynamic'</FONT>,
selectioncommand=self.selectionLeafCommand,
dblclickcommand=self.defLeafCmd)
self.bottomBox.pack(fill = <FONT COLOR="#009900">'both'</FONT>, expand=<FONT COLOR="#009900">'yes'</FONT>, padx = 0, pady = 0)
self.bottomBox.component(<FONT COLOR="#009900">'listbox'</FONT>).configure(exportselection=0)
self.innerPane.pack(expand = 1, fill=<FONT COLOR="#009900">'both'</FONT>)
<STRONG> def selectionNodeCommand</STRONG>(self):
sels = self.topBox.getcurselection()
if len(sels) == 0:
print <FONT COLOR="#009900">'No selection'</FONT>
else:
print "bbb", self._hull.tree
nodes, leaves = self._hull.tree._selected(sels[0],self.level)
apply(self.topbox.insert,(<FONT COLOR="#009900">'end'</FONT>,)+tuple(nodes))
<FONT COLOR="#DD0000"># print self._hull.current</FONT>
# print <FONT COLOR="#009900">'Selection:'</FONT>, sels[0]
<FONT COLOR="#DD0000"># self._hull.selectedNode(self.level,sels)</FONT>
<FONT COLOR="#DD0000"># self.list = self.tree.getRootNodeNames()</FONT>
<FONT COLOR="#DD0000"># print "LIST", list</FONT>
# apply(self.topbox.insert,(<FONT COLOR="#009900">'end'</FONT>,)+tuple(self.list))
<STRONG> def defNodeCmd</STRONG>(self):
sels = self.topBox.getcurselection()
if len(sels) == 0:
print <FONT COLOR="#009900">'No selection for double click'</FONT>
else:
print <FONT COLOR="#009900">'Double click:'</FONT>, sels[0]
<STRONG> def selectionLeafCommand</STRONG>(self):
sels = self.bottomBox.getcurselection()
if len(sels) == 0:
print <FONT COLOR="#009900">'No selection'</FONT>
else:
print <FONT COLOR="#009900">'Selection:'</FONT>, sels[0]
<FONT COLOR="#DD0000"># display the contents of the selected file in a dialog box which</FONT>
<FONT COLOR="#DD0000"># is appended to self.tmpwindict in order to facilitate easy</FONT>
<FONT COLOR="#DD0000"># deletion</FONT>
import string <FONT COLOR="#DD0000"># for string.join</FONT>
import os <FONT COLOR="#DD0000"># for os.sep</FONT>
<FONT COLOR="#DD0000"># construct the file name given the selected directory list.</FONT>
<FONT COLOR="#DD0000"># NOTE: if a file is selected under the root directory, then</FONT>
<FONT COLOR="#DD0000"># there will be a double-slash prepended to its name.</FONT>
<FONT COLOR="#DD0000"># this is legal under unix, not sure if it is so under DOS.</FONT>
<FONT COLOR="#DD0000"># also, the slash character must be replaced with a p</FONT>
<FONT COLOR="#DD0000"># fn = os.sep + string.join(self._hull.current + sels[0], os.sep) + os.sep + sels[0]</FONT>
<FONT COLOR="#DD0000"># self._hull.selectedNode(self.level, self.topBox.getcurselection())</FONT>
s = self._hull.current[:self.level+1]
s.append(sels[0])
fn = os.sep + string.join(s, os.sep)
print <FONT COLOR="#009900">'*** file selected is \'</FONT><FONT COLOR="#009900">', fn, '</FONT>\<FONT COLOR="#009900">'.'</FONT>
print <FONT COLOR="#009900">'*** file directory is '</FONT>, s
print <FONT COLOR="#009900">'*** app trees: '</FONT>, self._hull.trees
print <FONT COLOR="#009900">'*** app treeLevel: '</FONT>, self._hull.treeLevel
self._hull.tmpwindict[sels[0]]= Pmw.TextDialog()
self._hull.tmpwindict[sels[0]].component(<FONT COLOR="#009900">'scrolledtext'</FONT>).importfile(fn)
<STRONG> def defLeafCmd</STRONG>(self):
sels = self.bottomBox.getcurselection()
if len(sels) == 0:
print <FONT COLOR="#009900">'No selection for double click'</FONT>
else:
print <FONT COLOR="#009900">'Double click:'</FONT>, sels[0]
<STRONG><FONT COLOR="#CC6600">class TreeBrowser</FONT></STRONG>(Pmw.MegaWidget):
<STRONG> def __init__</STRONG>(self, parent=None, tree=None, **kw):
self.tree = tree
self.tmpwindict = {} <FONT COLOR="#DD0000"># temporary window list implemented as a dict</FONT>
# format: { <FONT COLOR="#009900">'name'</FONT>, <object> }
self.trees= []
self.treeLevel = []
self.current = []
optiondefs = ()
self.defineoptions(kw, optiondefs)
<STRONG> def pane_conf</STRONG>(sizes):
print "pane_conf", sizes
<FONT COLOR="#DD0000"># Initialise the base class (after defining the options).</FONT>
Pmw.MegaWidget.__init__(self, parent)
oldInterior = Pmw.MegaWidget.interior(self)
print "OLDINTER", oldInterior
self.browser =self.createcomponent(<FONT COLOR="#009900">'browserPane'</FONT>,(),None,
Pmw.PanedWidget, (oldInterior,),
hull_width=200, hull_height=300,
orient=<FONT COLOR="#009900">'horizontal'</FONT>,
command=pane_conf,
# hull_relief = <FONT COLOR="#009900">'raised'</FONT>,
<FONT COLOR="#DD0000"># hull_borderwidth = 1,</FONT>
)
self.browser.pack(anchor="nw")# fill = <FONT COLOR="#009900">'x'</FONT>, expand = <FONT COLOR="#009900">'yes'</FONT> )
self.initialiseoptions(TreeBrowser)
self.addPane()
if tree:
self.addRoot(tree)
<STRONG> def addRoot</STRONG>(self, tree):
<FONT COLOR="#DD0000"># try: </FONT>
rootName = tree.getRootKey()
print "ROOTNAME",rootName, self.treeLevel
apply(self.treeLevel[0].topBox.insert,(<FONT COLOR="#009900">'end'</FONT>,)+tuple(rootName))
self.trees.append(tree)
<FONT COLOR="#DD0000"># except:</FONT>
print "Won't work, need data"
<STRONG> def addPane</STRONG>(self):
self.treeLevel.append(DoubleSelects(self))
<STRONG> def clearPanes</STRONG>(self,thislevel):
for i in range(thislevel,len(self.treeLevel)):
print "clear attributes from level ",i, self.treeLevel
self.treeLevel[i].bottomBox.delete(0, <FONT COLOR="#009900">'end'</FONT>)
for i in range(thislevel+1,len(self.treeLevel)):
print "clear nodes from level ",i, self.treeLevel
self.treeLevel[i].topBox.delete(0, <FONT COLOR="#009900">'end'</FONT>)
<STRONG> def selectedNode</STRONG>(self, level,sels):
thislevel = level
nextlevel = level+1
self.current = self.current[:thislevel]
print "CURRENT", self.current, sels
self.current.append(sels[0])
print "selectedNode", level,sels, len(self.treeLevel)<FONT COLOR="#DD0000">#, self.current</FONT>
nodes = self.trees[0].getNodeNames(tuple(self.current))
<FONT COLOR="#DD0000"># nnodes = []</FONT>
<FONT COLOR="#DD0000"># for i in nodes:</FONT>
<FONT COLOR="#DD0000"># nnodes.append(i[-1])</FONT>
<FONT COLOR="#DD0000"># nodes = nnodes</FONT>
<FONT COLOR="#DD0000"># print "NODES", nodes</FONT>
if len(self.treeLevel) <= nextlevel and len(nodes) > 0:
self.addPane()
self.clearPanes(thislevel)
attributes = self.trees[0].getLeafKeys(tuple(self.current))
bottombox = self.treeLevel[thislevel].bottomBox
print "ATTRIBUTES", attributes, bottombox
apply(bottombox.insert, (<FONT COLOR="#009900">'end'</FONT>,)+tuple(attributes))
if len(nodes) > 0:
topbox = self.treeLevel[nextlevel].topBox
apply(topbox.insert, (<FONT COLOR="#009900">'end'</FONT>,)+tuple(nodes))
<STRONG> def interior</STRONG>(self):
return self.__dialogChildSite
<STRONG>def test</STRONG>():
import os
<STRONG><FONT COLOR="#CC6600"> class Tree</FONT></STRONG>:
<STRONG> def __init__</STRONG>(self, root):
self.root = root
self.current = []
<STRONG> def _selected</STRONG>(self, word,level):
if len(self.current) > level:
self.current[level-1] = word
self.current = self.current[:level-1]
if len(self.current) == level:
self.current.append(word)
names = os.listdir(string.joinfields(self.current,<FONT COLOR="#009900">"/"</FONT>))
print names
node = []
leaves = []
for name in names:
if os.path.isdir(os.path.join(dirname,name)):
nodes.append(name)
else:
leaves.append(name)
return nodes, leaves
<FONT COLOR="#DD0000"># def mkdict(self,arg,dirname,names):</FONT>
# pieces = tuple(string.splitfields(dirname,<FONT COLOR="#009900">"/"</FONT>)[1:])
<FONT COLOR="#DD0000"># nodes = self.dict[pieces,"nodes"] = []</FONT>
<FONT COLOR="#DD0000"># leaves = self.dict[pieces,"leaves"] = []</FONT>
<FONT COLOR="#DD0000"># for name in names:</FONT>
<FONT COLOR="#DD0000"># if os.path.isdir(os.path.join(dirname,name)):</FONT>
<FONT COLOR="#DD0000"># nodes.append(name)</FONT>
<FONT COLOR="#DD0000"># else:</FONT>
<FONT COLOR="#DD0000"># leaves.append(name)</FONT>
# depth = len(string.splitfields(dirname,<FONT COLOR="#009900">"/"</FONT>))-1
<STRONG> def getRootKey</STRONG>(self):
return ((self.root,))
<STRONG> def getRootName</STRONG>(self):
return self.root
<FONT COLOR="#DD0000"># def getRootNodeNames(self):</FONT>
<FONT COLOR="#DD0000"># ret = []</FONT>
<FONT COLOR="#DD0000"># nodelist = self.getNodeKeys(self.getRootKey())</FONT>
<FONT COLOR="#DD0000"># print "NODES", nodelist</FONT>
<FONT COLOR="#DD0000"># for node in nodelist:</FONT>
<FONT COLOR="#DD0000"># ret.append(node[1])</FONT>
<FONT COLOR="#DD0000"># return ret</FONT>
<STRONG> def getNodeNames</STRONG>(self, key):
return self.dict[key,"nodes"]
<STRONG> def getLeafNames</STRONG>(self, key):
return self.dict[key,"nodes"]
<STRONG> def getNodeKeys</STRONG>(self, key):
ret = []
for name in self.dict[key,"nodes"]:
ret.append(tuple(list(key)+[name]))
return ret
<STRONG> def getLeafKeys</STRONG>(self, key):
ret = []
for name in self.dict[key,"leaves"]:
ret.append(name)
return ret
return Tree("etc")
if __name__ == <FONT COLOR="#009900">'__main__'</FONT>:
root = Pmw.initialise()
root.resizable(width=0, height=0)
tree = test()
widget = TreeBrowser(root, tree)
widget.pack(anchor="nw", expand=<FONT COLOR="#009900">'yes'</FONT>)
</PRE>
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