wxWidgets/wxPython/demo/wxTreeCtrl.py
2003-07-02 23:13:10 +00:00

198 lines
7.1 KiB
Python

from wxPython.wx import *
import images
import string
#---------------------------------------------------------------------------
class MyTreeCtrl(wxTreeCtrl):
def __init__(self, parent, id, pos, size, style, log):
wxTreeCtrl.__init__(self, parent, id, pos, size, style)
self.log = log
def OnCompareItems(self, item1, item2):
t1 = self.GetItemText(item1)
t2 = self.GetItemText(item2)
self.log.WriteText('compare: ' + t1 + ' <> ' + t2 + '\n')
if t1 < t2: return -1
if t1 == t2: return 0
return 1
#---------------------------------------------------------------------------
class TestTreeCtrlPanel(wxPanel):
def __init__(self, parent, log):
# Use the WANTS_CHARS style so the panel doesn't eat the Return key.
wxPanel.__init__(self, parent, -1, style=wxWANTS_CHARS)
EVT_SIZE(self, self.OnSize)
self.log = log
tID = wxNewId()
self.tree = MyTreeCtrl(self, tID, wxDefaultPosition, wxDefaultSize,
wxTR_HAS_BUTTONS
| wxTR_EDIT_LABELS
#| wxTR_MULTIPLE
#| wxTR_HIDE_ROOT
, self.log)
isz = (16,16)
il = wxImageList(isz[0], isz[1])
fldridx = il.Add(wxArtProvider_GetBitmap(wxART_FOLDER, wxART_OTHER, isz))
fldropenidx = il.Add(wxArtProvider_GetBitmap(wxART_FILE_OPEN, wxART_OTHER, isz))
fileidx = il.Add(wxArtProvider_GetBitmap(wxART_REPORT_VIEW, wxART_OTHER, isz))
smileidx = il.Add(images.getSmilesBitmap())
self.tree.SetImageList(il)
self.il = il
# NOTE: For some reason tree items have to have a data object in
# order to be sorted. Since our compare just uses the labels
# we don't need any real data, so we'll just use None below for
# the item data.
self.root = self.tree.AddRoot("The Root Item")
self.tree.SetPyData(self.root, None)
self.tree.SetItemImage(self.root, fldridx, wxTreeItemIcon_Normal)
self.tree.SetItemImage(self.root, fldropenidx, wxTreeItemIcon_Expanded)
for x in range(15):
child = self.tree.AppendItem(self.root, "Item %d" % x)
self.tree.SetPyData(child, None)
self.tree.SetItemImage(child, fldridx, wxTreeItemIcon_Normal)
self.tree.SetItemImage(child, fldropenidx, wxTreeItemIcon_Expanded)
for y in range(5):
last = self.tree.AppendItem(child, "item %d-%s" % (x, chr(ord("a")+y)))
self.tree.SetPyData(last, None)
self.tree.SetItemImage(last, fldridx, wxTreeItemIcon_Normal)
self.tree.SetItemImage(last, fldropenidx, wxTreeItemIcon_Expanded)
for z in range(5):
item = self.tree.AppendItem(last, "item %d-%s-%d" % (x, chr(ord("a")+y), z))
self.tree.SetPyData(item, None)
self.tree.SetItemImage(item, fileidx, wxTreeItemIcon_Normal)
self.tree.SetItemImage(item, smileidx, wxTreeItemIcon_Selected)
self.tree.Expand(self.root)
EVT_TREE_ITEM_EXPANDED (self, tID, self.OnItemExpanded)
EVT_TREE_ITEM_COLLAPSED (self, tID, self.OnItemCollapsed)
EVT_TREE_SEL_CHANGED (self, tID, self.OnSelChanged)
EVT_TREE_BEGIN_LABEL_EDIT(self, tID, self.OnBeginEdit)
EVT_TREE_END_LABEL_EDIT (self, tID, self.OnEndEdit)
EVT_TREE_ITEM_ACTIVATED (self, tID, self.OnActivate)
EVT_LEFT_DCLICK(self.tree, self.OnLeftDClick)
EVT_RIGHT_DOWN(self.tree, self.OnRightClick)
EVT_RIGHT_UP(self.tree, self.OnRightUp)
def OnRightClick(self, event):
pt = event.GetPosition();
item, flags = self.tree.HitTest(pt)
self.log.WriteText("OnRightClick: %s, %s, %s\n" %
(self.tree.GetItemText(item), type(item), item.__class__))
self.tree.SelectItem(item)
def OnRightUp(self, event):
pt = event.GetPosition();
item, flags = self.tree.HitTest(pt)
self.log.WriteText("OnRightUp: %s (manually starting label edit)\n"
% self.tree.GetItemText(item))
self.tree.EditLabel(item)
def OnBeginEdit(self, event):
self.log.WriteText("OnBeginEdit\n")
# show how to prevent edit...
if self.tree.GetItemText(event.GetItem()) == "The Root Item":
wxBell()
self.log.WriteText("You can't edit this one...\n")
# Lets just see what's visible of its children
cookie = 0
root = event.GetItem()
(child, cookie) = self.tree.GetFirstChild(root, cookie)
while child.IsOk():
self.log.WriteText("Child [%s] visible = %d" %
(self.tree.GetItemText(child),
self.tree.IsVisible(child)))
(child, cookie) = self.tree.GetNextChild(root, cookie)
event.Veto()
def OnEndEdit(self, event):
self.log.WriteText("OnEndEdit\n")
# show how to reject edit, we'll not allow any digits
for x in event.GetLabel():
if x in string.digits:
self.log.WriteText("You can't enter digits...\n")
event.Veto()
return
def OnLeftDClick(self, event):
pt = event.GetPosition();
item, flags = self.tree.HitTest(pt)
self.log.WriteText("OnLeftDClick: %s\n" % self.tree.GetItemText(item))
parent = self.tree.GetItemParent(item)
self.tree.SortChildren(parent)
event.Skip()
def OnSize(self, event):
w,h = self.GetClientSizeTuple()
self.tree.SetDimensions(0, 0, w, h)
def OnItemExpanded(self, event):
item = event.GetItem()
self.log.WriteText("OnItemExpanded: %s\n" % self.tree.GetItemText(item))
def OnItemCollapsed(self, event):
item = event.GetItem()
self.log.WriteText("OnItemCollapsed: %s\n" % self.tree.GetItemText(item))
def OnSelChanged(self, event):
self.item = event.GetItem()
self.log.WriteText("OnSelChanged: %s\n" % self.tree.GetItemText(self.item))
if wxPlatform == '__WXMSW__':
self.log.WriteText("BoundingRect: %s\n" %
self.tree.GetBoundingRect(self.item, True))
#items = self.tree.GetSelections()
#print map(self.tree.GetItemText, items)
event.Skip()
def OnActivate(self, event):
self.log.WriteText("OnActivate: %s\n" % self.tree.GetItemText(self.item))
#---------------------------------------------------------------------------
def runTest(frame, nb, log):
win = TestTreeCtrlPanel(nb, log)
return win
#---------------------------------------------------------------------------
overview = """\
A tree control presents information as a hierarchy, with items that may be expanded to show further items. Items in a tree control are referenced by wxTreeItemId handles.
"""
if __name__ == '__main__':
import sys,os
import run
run.main(['', os.path.basename(sys.argv[0])])