Laurent@814: #!/usr/bin/env python
Laurent@814: # -*- coding: utf-8 -*-
Laurent@814: 
Laurent@814: #This library is free software; you can redistribute it and/or
Laurent@814: #modify it under the terms of the GNU General Public
Laurent@814: #License as published by the Free Software Foundation; either
Laurent@814: #version 2.1 of the License, or (at your option) any later version.
Laurent@814: #
Laurent@814: #This library is distributed in the hope that it will be useful,
Laurent@814: #but WITHOUT ANY WARRANTY; without even the implied warranty of
Laurent@814: #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Laurent@814: #General Public License for more details.
Laurent@814: #
Laurent@814: #You should have received a copy of the GNU General Public
Laurent@814: #License along with this library; if not, write to the Free Software
Laurent@814: #Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
Laurent@814: 
Laurent@814: import wx
Laurent@814: 
Laurent@814: class CustomTree(wx.TreeCtrl):
Laurent@814:     
Laurent@814:     def __init__(self, *args, **kwargs):
Laurent@814:         wx.TreeCtrl.__init__(self, *args, **kwargs)
Laurent@814:         self.SetBackgroundStyle(wx.BG_STYLE_CUSTOM)
Laurent@814:         
Laurent@814:         self.BackgroundBitmap = None
Laurent@814:         self.BackgroundAlign = wx.ALIGN_LEFT|wx.ALIGN_TOP
Laurent@814:         
Laurent@814:         self.AddMenu = None
Laurent@814:         self.Enabled = False
Laurent@814:         
Laurent@814:         if wx.Platform == '__WXMSW__':
Laurent@814:             self.Bind(wx.EVT_ERASE_BACKGROUND, self.OnEraseBackground)
Laurent@814:         else:
Laurent@814:             self.Bind(wx.EVT_PAINT, self.OnPaint)
Laurent@814:             self.Bind(wx.EVT_SIZE, self.OnResize)
Laurent@814:             self.Bind(wx.EVT_SCROLL, self.OnScroll)
Laurent@814:         self.Bind(wx.EVT_LEFT_UP, self.OnLeftUp)
Laurent@814:     
Laurent@814:     def SetBackgroundBitmap(self, bitmap, align):
Laurent@814:         self.BackgroundBitmap = bitmap
Laurent@814:         self.BackgroundAlign = align
Laurent@814:     
Laurent@814:     def SetAddMenu(self, add_menu):
Laurent@814:         self.AddMenu = add_menu
Laurent@814:     
Laurent@814:     def Enable(self, enabled):
Laurent@814:         self.Enabled = enabled
Laurent@814:     
Laurent@814:     def GetBitmapRect(self):
Laurent@814:         client_size = self.GetClientSize()
Laurent@814:         bitmap_size = self.BackgroundBitmap.GetSize()
Laurent@814:         
Laurent@814:         if self.BackgroundAlign & wx.ALIGN_RIGHT:
Laurent@814:             x = client_size[0] - bitmap_size[0]
Laurent@814:         elif self.BackgroundAlign & wx.ALIGN_CENTER_HORIZONTAL:
Laurent@814:             x = (client_size[0] - bitmap_size[0]) / 2
Laurent@814:         else:
Laurent@814:             x = 0
Laurent@814:         
Laurent@814:         if self.BackgroundAlign & wx.ALIGN_BOTTOM:
Laurent@814:             y = client_size[1] - bitmap_size[1]
Laurent@814:         elif self.BackgroundAlign & wx.ALIGN_CENTER_VERTICAL:
Laurent@814:             y = (client_size[1] - bitmap_size[1]) / 2
Laurent@814:         else:
Laurent@814:             y = 0
Laurent@814:         
Laurent@814:         return wx.Rect(x, y, bitmap_size[0], bitmap_size[1])
Laurent@814:     
Laurent@814:     def RefreshBackground(self, refresh_base=False):
Laurent@814:         dc = wx.ClientDC(self)
Laurent@814:         dc.Clear()
Laurent@814:         
Laurent@814:         bitmap_rect = self.GetBitmapRect()
Laurent@814:         dc.DrawBitmap(self.BackgroundBitmap, bitmap_rect.x, bitmap_rect.y)
Laurent@814:         
Laurent@814:         if refresh_base:
Laurent@814:             self.Refresh(False)
Laurent@814:     
Laurent@814:     def OnEraseBackground(self, event):
Laurent@814:         self.RefreshBackground(True)
Laurent@814:     
Laurent@814:     def OnLeftUp(self, event):
Laurent@814:         if self.Enabled:
Laurent@814:             pos = event.GetPosition()
Laurent@814:             item, flags = self.HitTest(pos)
Laurent@814:             
Laurent@814:             bitmap_rect = self.GetBitmapRect()
Laurent@814:             if (bitmap_rect.InsideXY(pos.x, pos.y) or 
Laurent@814:                 flags & wx.TREE_HITTEST_NOWHERE) and self.AddMenu is not None:
Laurent@814:                 self.PopupMenuXY(self.AddMenu, pos.x, pos.y)
Laurent@814:         event.Skip()
Laurent@814: 
Laurent@814:     def OnScroll(self, event):
Laurent@814:         self.RefreshBackground(True)
Laurent@814:         event.Skip()
Laurent@814: 
Laurent@814:     def OnResize(self, event):
Laurent@814:         self.RefreshBackground(True)
Laurent@814:         event.Skip()
Laurent@814:     
Laurent@814:     def OnPaint(self, event):
Laurent@814:         self.RefreshBackground()
Laurent@814:         event.Skip()