laurent@684: #!/usr/bin/env python
laurent@684: # -*- coding: utf-8 -*-
laurent@684: 
laurent@684: #This library is free software; you can redistribute it and/or
laurent@684: #modify it under the terms of the GNU General Public
laurent@684: #License as published by the Free Software Foundation; either
laurent@684: #version 2.1 of the License, or (at your option) any later version.
laurent@684: #
laurent@684: #This library is distributed in the hope that it will be useful,
laurent@684: #but WITHOUT ANY WARRANTY; without even the implied warranty of
laurent@684: #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
laurent@684: #General Public License for more details.
laurent@684: #
laurent@684: #You should have received a copy of the GNU General Public
laurent@684: #License along with this library; if not, write to the Free Software
laurent@684: #Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
laurent@684: 
laurent@684: import wx
laurent@684: 
laurent@684: class CustomTree(wx.TreeCtrl):
laurent@684:     
laurent@684:     def __init__(self, *args, **kwargs):
laurent@684:         wx.TreeCtrl.__init__(self, *args, **kwargs)
laurent@684:         self.SetBackgroundStyle(wx.BG_STYLE_CUSTOM)
laurent@684:         
laurent@684:         self.BackgroundBitmap = None
laurent@684:         self.BackgroundAlign = wx.ALIGN_LEFT|wx.ALIGN_TOP
laurent@684:         
laurent@684:         self.AddMenu = None
laurent@687:         self.Enabled = False
laurent@684:         
laurent@684:         if wx.Platform == '__WXMSW__':
laurent@684:             self.Bind(wx.EVT_ERASE_BACKGROUND, self.OnEraseBackground)
laurent@684:         else:
laurent@684:             self.Bind(wx.EVT_PAINT, self.OnPaint)
laurent@684:             self.Bind(wx.EVT_SIZE, self.OnResize)
laurent@687:             self.Bind(wx.EVT_SCROLL, self.OnScroll)
laurent@684:         self.Bind(wx.EVT_LEFT_UP, self.OnLeftUp)
laurent@684:     
laurent@684:     def SetBackgroundBitmap(self, bitmap, align):
laurent@684:         self.BackgroundBitmap = bitmap
laurent@684:         self.BackgroundAlign = align
laurent@684:     
laurent@684:     def SetAddMenu(self, add_menu):
laurent@684:         self.AddMenu = add_menu
laurent@684:     
laurent@687:     def Enable(self, enabled):
laurent@687:         self.Enabled = enabled
laurent@687:     
laurent@684:     def GetBitmapRect(self):
laurent@684:         client_size = self.GetClientSize()
laurent@684:         bitmap_size = self.BackgroundBitmap.GetSize()
laurent@684:         
laurent@684:         if self.BackgroundAlign & wx.ALIGN_RIGHT:
laurent@684:             x = client_size[0] - bitmap_size[0]
laurent@684:         elif self.BackgroundAlign & wx.ALIGN_CENTER_HORIZONTAL:
laurent@684:             x = (client_size[0] - bitmap_size[0]) / 2
laurent@684:         else:
laurent@684:             x = 0
laurent@684:         
laurent@684:         if self.BackgroundAlign & wx.ALIGN_BOTTOM:
laurent@684:             y = client_size[1] - bitmap_size[1]
laurent@684:         elif self.BackgroundAlign & wx.ALIGN_CENTER_VERTICAL:
laurent@684:             y = (client_size[1] - bitmap_size[1]) / 2
laurent@684:         else:
laurent@684:             y = 0
laurent@684:         
laurent@684:         return wx.Rect(x, y, bitmap_size[0], bitmap_size[1])
laurent@684:     
laurent@684:     def RefreshBackground(self, refresh_base=False):
laurent@684:         dc = wx.ClientDC(self)
laurent@684:         dc.Clear()
laurent@684:         
laurent@684:         bitmap_rect = self.GetBitmapRect()
laurent@684:         dc.DrawBitmap(self.BackgroundBitmap, bitmap_rect.x, bitmap_rect.y)
laurent@684:         
laurent@684:         if refresh_base:
laurent@684:             self.Refresh(False)
laurent@684:     
laurent@684:     def OnEraseBackground(self, event):
laurent@684:         self.RefreshBackground(True)
laurent@684:     
laurent@684:     def OnLeftUp(self, event):
laurent@687:         if self.Enabled:
laurent@687:             pos = event.GetPosition()
laurent@687:             item, flags = self.HitTest(pos)
laurent@687:             
laurent@687:             bitmap_rect = self.GetBitmapRect()
laurent@687:             if (bitmap_rect.InsideXY(pos.x, pos.y) or 
laurent@687:                 flags & wx.TREE_HITTEST_NOWHERE) and self.AddMenu is not None:
laurent@687:                 self.PopupMenuXY(self.AddMenu, pos.x, pos.y)
laurent@687:         event.Skip()
laurent@687: 
laurent@687:     def OnScroll(self, event):
laurent@687:         self.RefreshBackground(True)
laurent@684:         event.Skip()
laurent@684: 
laurent@684:     def OnResize(self, event):
laurent@684:         self.RefreshBackground(True)
laurent@684:         event.Skip()
laurent@684:     
laurent@684:     def OnPaint(self, event):
laurent@684:         self.RefreshBackground()
laurent@684:         event.Skip()