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

    27

import wx

    28

import wx.lib.agw.customtreectrl as CT

    29

    30

from util.BitmapLibrary import GetBitmap

    31

    32

# Customize CustomTreeItem for adding icon on item left

    33

CT.GenericTreeItem._ExtraImage = None

    34

    35

    36

def SetExtraImage(self, image):

    37

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

    38

    self._ExtraImage = image

    39

    40

    41

CT.GenericTreeItem.SetExtraImage = SetExtraImage

    42

    43

_DefaultGetCurrentCheckedImage = CT.GenericTreeItem.GetCurrentCheckedImage

    44

    45

    46

def GetCurrentCheckedImage(self):

    47

    if self._ExtraImage is not None:

    48

        return self._ExtraImage

    49

    return _DefaultGetCurrentCheckedImage(self)

    50

    51

    52

CT.GenericTreeItem.GetCurrentCheckedImage = GetCurrentCheckedImage

    53

    54

    55

class CustomTree(CT.CustomTreeCtrl):

    56

    57

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

    58

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

    59

    60

        self.BackgroundBitmap = None

    61

        self.BackgroundAlign = wx.ALIGN_LEFT | wx.ALIGN_TOP

    62

    63

        self.AddMenu = None

    64

        self.Enabled = False

    65

    66

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

    67

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

    68

    69

    def SetBackgroundBitmap(self, bitmap, align):

    70

        self.BackgroundBitmap = bitmap

    71

        self.BackgroundAlign = align

    72

    73

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

    74

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

    75

    76

        self.ExtraImages = {}

    77

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

    78

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

    79

    80

    def SetItemExtraImage(self, item, bitmap):

    81

        dc = wx.ClientDC(self)

    82

        image = self.ExtraImages.get(bitmap)

    83

        if image is not None:

    84

            item.SetExtraImage(image)

    85

        else:

    86

            item.SetExtraImage(None)

    87

        self.CalculateSize(item, dc)

    88

        self.RefreshLine(item)

    89

    90

    def SetAddMenu(self, add_menu):

    91

        self.AddMenu = add_menu

    92

    93

    def Enable(self, enabled):

    94

        self.Enabled = enabled

    95

    96

    def GetBitmapRect(self):

    97

        client_size = self.GetClientSize()

    98

        bitmap_size = self.BackgroundBitmap.GetSize()

    99

   100

        if self.BackgroundAlign & wx.ALIGN_RIGHT:

   101

            x = client_size[0] - bitmap_size[0]

   102

        elif self.BackgroundAlign & wx.ALIGN_CENTER_HORIZONTAL:

   103

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

   104

        else:

   105

            x = 0

   106

   107

        if self.BackgroundAlign & wx.ALIGN_BOTTOM:

   108

            y = client_size[1] - bitmap_size[1]

   109

        elif self.BackgroundAlign & wx.ALIGN_CENTER_VERTICAL:

   110

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

   111

        else:

   112

            y = 0

   113

   114

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

   115

   116

    def OnLeftUp(self, event):

   117

        if self.Enabled:

   118

            pos = event.GetPosition()

   119

            _item, flags = self.HitTest(pos)

   120

   121

            bitmap_rect = self.GetBitmapRect()

   122

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

   123

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

   124

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

   125

        event.Skip()

   126

   127

    def OnEraseBackground(self, event):

   128

        dc = event.GetDC()

   129

   130

        if not dc:

   131

            dc = wx.ClientDC(self)

   132

            rect = self.GetUpdateRegion().GetBox()

   133

            dc.SetClippingRect(rect)

   134

   135

        dc.Clear()

   136

   137

        bitmap_rect = self.GetBitmapRect()

   138

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

   139

   140

    def OnScroll(self, event):

   141

        wx.CallAfter(self.Refresh)

   142

        event.Skip()

   143

   144

    def OnSize(self, event):

   145

        CT.CustomTreeCtrl.OnSize(self, event)

   146

        self.Refresh()