1

#!/usr/bin/env python

     2

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

     3

     4

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

     5

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

     6

#

     7

# Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD

     8

#

     9

# See COPYING file for copyrights details.

    10

#

    11

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

    12

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

    13

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

    14

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

    15

#

    16

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

    17

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

    18

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    19

# GNU General Public License for more details.

    20

#

    21

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

    22

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

    23

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

    24

    25

import wx

    26

import wx.lib.agw.customtreectrl as CT

    27

    28

from util.BitmapLibrary import GetBitmap

    29

    30

# Customize CustomTreeItem for adding icon on item left

    31

CT.GenericTreeItem._ExtraImage = None

    32

    33

def SetExtraImage(self, image):

    34

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

    35

    self._ExtraImage = image

    36

    37

CT.GenericTreeItem.SetExtraImage = SetExtraImage

    38

    39

_DefaultGetCurrentCheckedImage = CT.GenericTreeItem.GetCurrentCheckedImage

    40

def GetCurrentCheckedImage(self):

    41

    if self._ExtraImage is not None:

    42

        return self._ExtraImage

    43

    return _DefaultGetCurrentCheckedImage(self)

    44

CT.GenericTreeItem.GetCurrentCheckedImage = GetCurrentCheckedImage

    45

    46

class CustomTree(CT.CustomTreeCtrl):

    48

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

    49

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

    51

        self.BackgroundBitmap = None

    52

        self.BackgroundAlign = wx.ALIGN_LEFT|wx.ALIGN_TOP

    54

        self.AddMenu = None

    55

        self.Enabled = False

    57

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

    58

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

    60

    def SetBackgroundBitmap(self, bitmap, align):

    61

        self.BackgroundBitmap = bitmap

    62

        self.BackgroundAlign = align

    64

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

    65

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

    67

        self.ExtraImages = {}

    68

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

    69

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

    71

    def SetItemExtraImage(self, item, bitmap):

    72

        dc = wx.ClientDC(self)

    73

        image = self.ExtraImages.get(bitmap)

    74

        if image is not None:

    75

            item.SetExtraImage(image)

    76

        else:

    77

            item.SetExtraImage(None)

    78

        self.CalculateSize(item, dc)

    81

    def SetAddMenu(self, add_menu):

    82

        self.AddMenu = add_menu

    84

    def Enable(self, enabled):

    85

        self.Enabled = enabled

    87

    def GetBitmapRect(self):

    88

        client_size = self.GetClientSize()

    89

        bitmap_size = self.BackgroundBitmap.GetSize()

    91

        if self.BackgroundAlign & wx.ALIGN_RIGHT:

    92

            x = client_size[0] - bitmap_size[0]

    93

        elif self.BackgroundAlign & wx.ALIGN_CENTER_HORIZONTAL:

    94

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

    95

        else:

    96

            x = 0

    98

        if self.BackgroundAlign & wx.ALIGN_BOTTOM:

    99

            y = client_size[1] - bitmap_size[1]

   100

        elif self.BackgroundAlign & wx.ALIGN_CENTER_VERTICAL:

   101

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

   102

        else:

   103

            y = 0

   105

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

   107

    def OnLeftUp(self, event):

   108

        if self.Enabled:

   109

            pos = event.GetPosition()

   110

            item, flags = self.HitTest(pos)

   112

            bitmap_rect = self.GetBitmapRect()

   114

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

   115

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

   116

        event.Skip()

   118

    def OnEraseBackground(self, event):

   119

        dc = event.GetDC()

   120

   121

        if not dc:

   122

            dc = wx.ClientDC(self)

   123

            rect = self.GetUpdateRegion().GetBox()

   124

            dc.SetClippingRect(rect)

   126

        dc.Clear()

   128

        bitmap_rect = self.GetBitmapRect()

   129

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

   131

    def OnScroll(self, event):

   132

        wx.CallAfter(self.Refresh)

   133

        event.Skip()

   134

   135

    def OnSize(self, event):

   136

        CT.CustomTreeCtrl.OnSize(self, event)

   137

        self.Refresh()