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

    34

def SetExtraImage(self, image):

    35

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

    36

    self._ExtraImage = image

    37

    38

    39

CT.GenericTreeItem.SetExtraImage = SetExtraImage

    40

    41

_DefaultGetCurrentCheckedImage = CT.GenericTreeItem.GetCurrentCheckedImage

    42

    43

    44

def GetCurrentCheckedImage(self):

    45

    if self._ExtraImage is not None:

    46

        return self._ExtraImage

    47

    return _DefaultGetCurrentCheckedImage(self)

    48

    49

    50

CT.GenericTreeItem.GetCurrentCheckedImage = GetCurrentCheckedImage

    51

    52

    53

class CustomTree(CT.CustomTreeCtrl):

    54

    55

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

    56

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

    57

    58

        self.BackgroundBitmap = None

    59

        self.BackgroundAlign = wx.ALIGN_LEFT | wx.ALIGN_TOP

    60

    61

        self.AddMenu = None

    62

        self.Enabled = False

    63

    64

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

    65

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

    66

    67

    def SetBackgroundBitmap(self, bitmap, align):

    68

        self.BackgroundBitmap = bitmap

    69

        self.BackgroundAlign = align

    70

    71

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

    72

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

    73

    74

        self.ExtraImages = {}

    75

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

    76

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

    77

    78

    def SetItemExtraImage(self, item, bitmap):

    79

        dc = wx.ClientDC(self)

    80

        image = self.ExtraImages.get(bitmap)

    81

        if image is not None:

    82

            item.SetExtraImage(image)

    83

        else:

    84

            item.SetExtraImage(None)

    85

        self.CalculateSize(item, dc)

    86

        self.RefreshLine(item)

    87

    88

    def SetAddMenu(self, add_menu):

    89

        self.AddMenu = add_menu

    90

    91

    def Enable(self, enabled):

    92

        self.Enabled = enabled

    93

    94

    def GetBitmapRect(self):

    95

        client_size = self.GetClientSize()

    96

        bitmap_size = self.BackgroundBitmap.GetSize()

    97

    98

        if self.BackgroundAlign & wx.ALIGN_RIGHT:

    99

            x = client_size[0] - bitmap_size[0]

   100

        elif self.BackgroundAlign & wx.ALIGN_CENTER_HORIZONTAL:

   101

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

   102

        else:

   103

            x = 0

   104

   105

        if self.BackgroundAlign & wx.ALIGN_BOTTOM:

   106

            y = client_size[1] - bitmap_size[1]

   107

        elif self.BackgroundAlign & wx.ALIGN_CENTER_VERTICAL:

   108

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

   109

        else:

   110

            y = 0

   111

   112

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

   113

   114

    def OnLeftUp(self, event):

   115

        if self.Enabled:

   116

            pos = event.GetPosition()

   118

   119

            bitmap_rect = self.GetBitmapRect()

   120

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

   121

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

   122

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

   123

        event.Skip()

   124

   125

    def OnEraseBackground(self, event):

   126

        dc = event.GetDC()

   127

   128

        if not dc:

   129

            dc = wx.ClientDC(self)

   130

            rect = self.GetUpdateRegion().GetBox()

   131

            dc.SetClippingRect(rect)

   132

   133

        dc.Clear()

   134

   135

        bitmap_rect = self.GetBitmapRect()

   136

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

   137

   138

    def OnScroll(self, event):

   139

        wx.CallAfter(self.Refresh)

   140

        event.Skip()

   141

   142

    def OnSize(self, event):

   143

        CT.CustomTreeCtrl.OnSize(self, event)

   144

        self.Refresh()