controls/CustomTree.py
author alexander@60.125.16.172.in-addr.arpa
Tue, 23 Aug 2016 10:24:47 +0500
changeset 1518 a656ccb868d4
parent 1188 63afb5833bd8
child 1571 486f94a8032c
permissions -rw-r--r--
- Fixed startup from ancestor code.
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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#This library is free software; you can redistribute it and/or
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#modify it under the terms of the GNU General Public
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#License as published by the Free Software Foundation; either
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#version 2.1 of the License, or (at your option) any later version.
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#
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#This library is distributed in the hope that it will be useful,
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#but WITHOUT ANY WARRANTY; without even the implied warranty of
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#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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#General Public License for more details.
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#
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#You should have received a copy of the GNU General Public
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#License along with this library; if not, write to the Free Software
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#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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import wx
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import wx.lib.agw.customtreectrl as CT
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from util.BitmapLibrary import GetBitmap
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# Customize CustomTreeItem for adding icon on item left
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CT.GenericTreeItem._ExtraImage = None
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def SetExtraImage(self, image):
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    self._type = (1 if image is not None else 0)
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    self._ExtraImage = image
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CT.GenericTreeItem.SetExtraImage = SetExtraImage
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_DefaultGetCurrentCheckedImage = CT.GenericTreeItem.GetCurrentCheckedImage
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def GetCurrentCheckedImage(self):
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    if self._ExtraImage is not None:
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        return self._ExtraImage
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    return _DefaultGetCurrentCheckedImage(self)
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CT.GenericTreeItem.GetCurrentCheckedImage = GetCurrentCheckedImage
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class CustomTree(CT.CustomTreeCtrl):
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    def __init__(self, *args, **kwargs):
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        CT.CustomTreeCtrl.__init__(self, *args, **kwargs)
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        self.BackgroundBitmap = None
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        self.BackgroundAlign = wx.ALIGN_LEFT|wx.ALIGN_TOP
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        self.AddMenu = None
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        self.Enabled = False
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        self.Bind(wx.EVT_SCROLLWIN, self.OnScroll)
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        self.Bind(wx.EVT_LEFT_UP, self.OnLeftUp)
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    def SetBackgroundBitmap(self, bitmap, align):
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        self.BackgroundBitmap = bitmap
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        self.BackgroundAlign = align
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    def SetImageListCheck(self, sizex, sizey, imglist=None):
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        CT.CustomTreeCtrl.SetImageListCheck(self, sizex, sizey, imglist=None)
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        self.ExtraImages = {}
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        for image in ["function", "functionBlock", "program"]:
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            self.ExtraImages[image] = self._imageListCheck.Add(GetBitmap(image.upper()))
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    def SetItemExtraImage(self, item, bitmap):
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        dc = wx.ClientDC(self)
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        image = self.ExtraImages.get(bitmap)
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        if image is not None:
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            item.SetExtraImage(image)
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        else:
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            item.SetExtraImage(None)
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        self.CalculateSize(item, dc)
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        self.RefreshLine(item)   
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    def SetAddMenu(self, add_menu):
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        self.AddMenu = add_menu
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    def Enable(self, enabled):
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        self.Enabled = enabled
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    def GetBitmapRect(self):
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        client_size = self.GetClientSize()
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        bitmap_size = self.BackgroundBitmap.GetSize()
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        if self.BackgroundAlign & wx.ALIGN_RIGHT:
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            x = client_size[0] - bitmap_size[0]
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        elif self.BackgroundAlign & wx.ALIGN_CENTER_HORIZONTAL:
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            x = (client_size[0] - bitmap_size[0]) / 2
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        else:
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            x = 0
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        if self.BackgroundAlign & wx.ALIGN_BOTTOM:
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            y = client_size[1] - bitmap_size[1]
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        elif self.BackgroundAlign & wx.ALIGN_CENTER_VERTICAL:
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            y = (client_size[1] - bitmap_size[1]) / 2
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        else:
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            y = 0
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        return wx.Rect(x, y, bitmap_size[0], bitmap_size[1])
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    def OnLeftUp(self, event):
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        if self.Enabled:
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            pos = event.GetPosition()
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            item, flags = self.HitTest(pos)
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            bitmap_rect = self.GetBitmapRect()
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            if (bitmap_rect.InsideXY(pos.x, pos.y) or 
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                flags & wx.TREE_HITTEST_NOWHERE) and self.AddMenu is not None:
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                wx.CallAfter(self.PopupMenuXY, self.AddMenu, pos.x, pos.y)
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        event.Skip()
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    def OnEraseBackground(self, event):
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        dc = event.GetDC()
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        if not dc:
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            dc = wx.ClientDC(self)
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            rect = self.GetUpdateRegion().GetBox()
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            dc.SetClippingRect(rect)
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        dc.Clear()
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        bitmap_rect = self.GetBitmapRect()
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        dc.DrawBitmap(self.BackgroundBitmap, bitmap_rect.x, bitmap_rect.y)
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    def OnScroll(self, event):
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        wx.CallAfter(self.Refresh)
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        event.Skip()
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    def OnSize(self, event):
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        CT.CustomTreeCtrl.OnSize(self, event)
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        self.Refresh()