HGKeeper

#!/usr/bin/env python

# -*- coding: utf-8 -*-

# This file is part of Beremiz, a Integrated Development Environment for

# programming IEC 61131-3 automates supporting plcopen standard and CanFestival.

# See COPYING file for copyrights details.

# This program is free software; you can redistribute it and/or

# modify it under the terms of the GNU General Public License

# as published by the Free Software Foundation; either version 2

# of the License, or (at your option) any later version.

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

import wx

import wx.lib.agw.customtreectrl as CT

from util.BitmapLibrary import GetBitmap

# Customize CustomTreeItem for adding icon on item left

CT.GenericTreeItem._ExtraImage = None

def SetExtraImage(self, image):

self._type = (1 if image is not None else 0)

self._ExtraImage = image

CT.GenericTreeItem.SetExtraImage = SetExtraImage

_DefaultGetCurrentCheckedImage = CT.GenericTreeItem.GetCurrentCheckedImage

def GetCurrentCheckedImage(self):

if self._ExtraImage is not None:

return self._ExtraImage

return _DefaultGetCurrentCheckedImage(self)

CT.GenericTreeItem.GetCurrentCheckedImage = GetCurrentCheckedImage

class CustomTree(CT.CustomTreeCtrl):

def __init__(self, *args, **kwargs):

CT.CustomTreeCtrl.__init__(self, *args, **kwargs)

self.BackgroundBitmap = None

self.BackgroundAlign = wx.ALIGN_LEFT|wx.ALIGN_TOP

self.AddMenu = None

self.Enabled = False

self.Bind(wx.EVT_SCROLLWIN, self.OnScroll)

self.Bind(wx.EVT_LEFT_UP, self.OnLeftUp)

def SetBackgroundBitmap(self, bitmap, align):

self.BackgroundBitmap = bitmap

self.BackgroundAlign = align

def SetImageListCheck(self, sizex, sizey, imglist=None):

CT.CustomTreeCtrl.SetImageListCheck(self, sizex, sizey, imglist=None)

self.ExtraImages = {}

for image in ["function", "functionBlock", "program"]:

self.ExtraImages[image] = self._imageListCheck.Add(GetBitmap(image.upper()))

def SetItemExtraImage(self, item, bitmap):

dc = wx.ClientDC(self)

image = self.ExtraImages.get(bitmap)

if image is not None:

item.SetExtraImage(image)

else:

item.SetExtraImage(None)

self.CalculateSize(item, dc)

self.RefreshLine(item)

def SetAddMenu(self, add_menu):

self.AddMenu = add_menu

def Enable(self, enabled):

self.Enabled = enabled

def GetBitmapRect(self):

client_size = self.GetClientSize()

bitmap_size = self.BackgroundBitmap.GetSize()

if self.BackgroundAlign & wx.ALIGN_RIGHT:

x = client_size[0] - bitmap_size[0]

elif self.BackgroundAlign & wx.ALIGN_CENTER_HORIZONTAL:

x = (client_size[0] - bitmap_size[0]) / 2

else:

x = 0

if self.BackgroundAlign & wx.ALIGN_BOTTOM:

y = client_size[1] - bitmap_size[1]

elif self.BackgroundAlign & wx.ALIGN_CENTER_VERTICAL:

y = (client_size[1] - bitmap_size[1]) / 2

else:

y = 0

return wx.Rect(x, y, bitmap_size[0], bitmap_size[1])

def OnLeftUp(self, event):

if self.Enabled:

pos = event.GetPosition()

item, flags = self.HitTest(pos)

bitmap_rect = self.GetBitmapRect()

if (bitmap_rect.InsideXY(pos.x, pos.y) or

flags & wx.TREE_HITTEST_NOWHERE) and self.AddMenu is not None:

wx.CallAfter(self.PopupMenuXY, self.AddMenu, pos.x, pos.y)

event.Skip()

def OnEraseBackground(self, event):

dc = event.GetDC()

if not dc:

dc = wx.ClientDC(self)

rect = self.GetUpdateRegion().GetBox()

dc.SetClippingRect(rect)

dc.Clear()

bitmap_rect = self.GetBitmapRect()

dc.DrawBitmap(self.BackgroundBitmap, bitmap_rect.x, bitmap_rect.y)

def OnScroll(self, event):

wx.CallAfter(self.Refresh)

event.Skip()

def OnSize(self, event):

CT.CustomTreeCtrl.OnSize(self, event)

self.Refresh()

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