Add wx.lib.mixins.treemixin from Frank Niessink.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@44516 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robin Dunn
230
wxPython/demo/TreeMixin.py
Normal file
230
wxPython/demo/TreeMixin.py
Normal file
@@ -0,0 +1,230 @@
|
||||
import wx, wx.lib.customtreectrl, wx.gizmos
|
||||
import wx.lib.mixins.treemixin as treemixin
|
||||
|
||||
class TreeModel(object):
|
||||
def __init__(self, *args, **kwargs):
|
||||
self.items = []
|
||||
self.itemCounter = 0
|
||||
super(TreeModel, self).__init__(*args, **kwargs)
|
||||
|
||||
def GetItem(self, indices):
|
||||
text, children = 'Hidden root', self.items
|
||||
for index in indices:
|
||||
text, children = children[index]
|
||||
return text, children
|
||||
|
||||
def GetText(self, indices):
|
||||
return self.GetItem(indices)[0]
|
||||
|
||||
def GetChildren(self, indices):
|
||||
return self.GetItem(indices)[1]
|
||||
|
||||
def GetChildrenCount(self, indices):
|
||||
return len(self.GetChildren(indices))
|
||||
|
||||
def SetChildrenCount(self, indices, count):
|
||||
children = self.GetChildren(indices)
|
||||
while len(children) > count:
|
||||
children.pop()
|
||||
while len(children) < count:
|
||||
children.append(('item %d'%self.itemCounter, []))
|
||||
self.itemCounter += 1
|
||||
|
||||
def MoveItem(self, itemToMoveIndices, newParentIndices):
|
||||
itemToMove = self.GetItem(itemToMoveIndices)
|
||||
newParentChildren = self.GetChildren(newParentIndices)
|
||||
newParentChildren.append(itemToMove)
|
||||
oldParentChildren = self.GetChildren(itemToMoveIndices[:-1])
|
||||
oldParentChildren.remove(itemToMove)
|
||||
|
||||
|
||||
class DemoVirtualTreeMixin(treemixin.VirtualTree, treemixin.DragAndDrop):
|
||||
def __init__(self, *args, **kwargs):
|
||||
self.model = kwargs.pop('treemodel')
|
||||
self.log = kwargs.pop('log')
|
||||
super(DemoVirtualTreeMixin, self).__init__(*args, **kwargs)
|
||||
self.CreateImageList()
|
||||
|
||||
def CreateImageList(self):
|
||||
size = (16, 16)
|
||||
self.imageList = wx.ImageList(*size)
|
||||
for art in wx.ART_FOLDER, wx.ART_FILE_OPEN, wx.ART_NORMAL_FILE:
|
||||
self.imageList.Add(wx.ArtProvider.GetBitmap(art, wx.ART_OTHER,
|
||||
size))
|
||||
self.AssignImageList(self.imageList)
|
||||
|
||||
def OnGetItemText(self, indices):
|
||||
return self.model.GetText(indices)
|
||||
|
||||
def OnGetChildrenCount(self, indices):
|
||||
return self.model.GetChildrenCount(indices)
|
||||
|
||||
def OnGetItemFont(self, indices):
|
||||
if self.model.GetChildrenCount(indices) > 0:
|
||||
return wx.SMALL_FONT
|
||||
else:
|
||||
return super(DemoVirtualTreeMixin, self).OnGetItemFont(indices)
|
||||
|
||||
def OnGetItemTextColour(self, indices):
|
||||
if len(indices) % 2 == 0:
|
||||
return wx.RED
|
||||
elif len(indices) % 3 == 0:
|
||||
return wx.BLUE
|
||||
else:
|
||||
return super(DemoVirtualTreeMixin,
|
||||
self).OnGetItemTextColour(indices)
|
||||
|
||||
def OnGetItemBackgroundColour(self, indices):
|
||||
if indices[-1] == len(indices):
|
||||
return wx.GREEN
|
||||
else:
|
||||
return super(DemoVirtualTreeMixin,
|
||||
self).OnGetItemBackgroundColour(indices)
|
||||
|
||||
def OnGetItemImage(self, indices, which):
|
||||
if which in [wx.TreeItemIcon_Normal, wx.TreeItemIcon_Selected]:
|
||||
if self.model.GetChildrenCount(indices):
|
||||
return 0
|
||||
else:
|
||||
return 2
|
||||
else:
|
||||
return 1
|
||||
|
||||
def OnDrop(self, dropTarget, dragItem):
|
||||
dropIndices = self.ItemIndices(dropTarget)
|
||||
dropText = self.model.GetText(dropIndices)
|
||||
dragIndices = self.ItemIndices(dragItem)
|
||||
dragText = self.model.GetText(dragIndices)
|
||||
self.log.write('drop %s %s on %s %s'%(dragText, dragIndices,
|
||||
dropText, dropIndices))
|
||||
self.model.MoveItem(dragIndices, dropIndices)
|
||||
self.GetParent().RefreshItems()
|
||||
|
||||
|
||||
class VirtualTreeCtrl(DemoVirtualTreeMixin, wx.TreeCtrl):
|
||||
pass
|
||||
|
||||
|
||||
class VirtualTreeListCtrl(DemoVirtualTreeMixin, wx.gizmos.TreeListCtrl):
|
||||
def __init__(self, *args, **kwargs):
|
||||
kwargs['style'] = wx.TR_DEFAULT_STYLE | wx.TR_FULL_ROW_HIGHLIGHT
|
||||
super(VirtualTreeListCtrl, self).__init__(*args, **kwargs)
|
||||
self.AddColumn('Column 0')
|
||||
self.AddColumn('Column 1')
|
||||
for art in wx.ART_TIP, wx.ART_WARNING:
|
||||
self.imageList.Add(wx.ArtProvider.GetBitmap(art, wx.ART_OTHER,
|
||||
(16, 16)))
|
||||
|
||||
def OnGetItemText(self, indices, column=0):
|
||||
return '%s, column %d'%\
|
||||
(super(VirtualTreeListCtrl, self).OnGetItemText(indices), column)
|
||||
|
||||
def OnGetItemImage(self, indices, which, column=0):
|
||||
if column == 0:
|
||||
return super(VirtualTreeListCtrl, self).OnGetItemImage(indices,
|
||||
which)
|
||||
elif self.OnGetChildrenCount(indices):
|
||||
return 4
|
||||
else:
|
||||
return 3
|
||||
|
||||
|
||||
class VirtualCustomTreeCtrl(DemoVirtualTreeMixin,
|
||||
wx.lib.customtreectrl.CustomTreeCtrl):
|
||||
def __init__(self, *args, **kwargs):
|
||||
self.checked = {}
|
||||
kwargs['ctstyle'] = wx.TR_DEFAULT_STYLE | wx.TR_HIDE_ROOT | \
|
||||
wx.TR_HAS_BUTTONS | wx.TR_FULL_ROW_HIGHLIGHT
|
||||
super(VirtualCustomTreeCtrl, self).__init__(*args, **kwargs)
|
||||
self.Bind(wx.lib.customtreectrl.EVT_TREE_ITEM_CHECKED,
|
||||
self.OnItemChecked)
|
||||
|
||||
def OnGetItemType(self, indices):
|
||||
if len(indices) == 1:
|
||||
return 1
|
||||
elif len(indices) == 2:
|
||||
return 2
|
||||
else:
|
||||
return 0
|
||||
|
||||
def OnGetItemChecked(self, indices):
|
||||
return self.checked.get(tuple(indices), False)
|
||||
|
||||
def OnItemChecked(self, event):
|
||||
item = event.GetItem()
|
||||
indices = tuple(self.ItemIndices(item))
|
||||
if self.GetItemType(item) == 2:
|
||||
# It's a radio item; reset other items on the same level
|
||||
for index in range(self.GetChildrenCount(self.GetItemParent(item))):
|
||||
self.checked[indices[:-1]+(index,)] = False
|
||||
self.checked[indices] = True
|
||||
|
||||
|
||||
|
||||
class TreeNotebook(wx.Notebook):
|
||||
def __init__(self, *args, **kwargs):
|
||||
treemodel = kwargs.pop('treemodel')
|
||||
log = kwargs.pop('log')
|
||||
super(TreeNotebook, self).__init__(*args, **kwargs)
|
||||
self.trees = []
|
||||
for class_, title in [(VirtualTreeCtrl, 'TreeCtrl'),
|
||||
(VirtualTreeListCtrl, 'TreeListCtrl'),
|
||||
(VirtualCustomTreeCtrl, 'CustomTreeCtrl')]:
|
||||
tree = class_(self, treemodel=treemodel, log=log)
|
||||
self.trees.append(tree)
|
||||
self.AddPage(tree, title)
|
||||
self.RefreshItems()
|
||||
|
||||
def RefreshItems(self):
|
||||
for tree in self.trees:
|
||||
tree.RefreshItems()
|
||||
tree.UnselectAll()
|
||||
|
||||
def GetSelectedItemIndices(self):
|
||||
tree = self.trees[self.GetSelection()]
|
||||
if tree.GetSelection():
|
||||
return tree.ItemIndices(tree.GetSelection())
|
||||
else:
|
||||
return []
|
||||
|
||||
|
||||
class TestPanel(wx.Panel):
|
||||
def __init__(self, parent, log):
|
||||
self.log = log
|
||||
super(TestPanel, self).__init__(parent)
|
||||
self.treemodel = TreeModel()
|
||||
self.notebook = TreeNotebook(self, treemodel=self.treemodel, log=log)
|
||||
label = wx.StaticText(self, label='Number of children: ')
|
||||
self.childrenCountCtrl = wx.SpinCtrl(self, value='0', max=10000)
|
||||
button = wx.Button(self, label='Update children')
|
||||
button.Bind(wx.EVT_BUTTON, self.onEnter)
|
||||
hSizer = wx.BoxSizer(wx.HORIZONTAL)
|
||||
options = dict(flag=wx.ALIGN_CENTER_VERTICAL|wx.ALL, border=2)
|
||||
hSizer.Add(label, **options)
|
||||
hSizer.Add(self.childrenCountCtrl, 2, **options)
|
||||
hSizer.Add(button, **options)
|
||||
sizer = wx.BoxSizer(wx.VERTICAL)
|
||||
sizer.Add(self.notebook, 1, wx.EXPAND)
|
||||
sizer.Add(hSizer, 0, wx.EXPAND)
|
||||
self.SetSizer(sizer)
|
||||
|
||||
def onEnter(self, event):
|
||||
indices = self.notebook.GetSelectedItemIndices()
|
||||
text = self.treemodel.GetText(indices)
|
||||
oldChildrenCount = self.treemodel.GetChildrenCount(indices)
|
||||
newChildrenCount = self.childrenCountCtrl.GetValue()
|
||||
self.log.write('%s %s now has %d children (was %d)'%(text, indices,
|
||||
newChildrenCount, oldChildrenCount))
|
||||
self.treemodel.SetChildrenCount(indices, newChildrenCount)
|
||||
self.notebook.RefreshItems()
|
||||
|
||||
|
||||
def runTest(frame, nb, log):
|
||||
win = TestPanel(nb, log)
|
||||
return win
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
import sys, os, run
|
||||
run.main(['', os.path.basename(sys.argv[0])] + sys.argv[1:])
|
||||
|
||||
Reference in New Issue
Block a user