controls/CustomTable.py
author Edouard Tisserant <edouard.tisserant@gmail.com>
Tue, 22 Mar 2022 14:50:46 +0100
branchwxPython4
changeset 3442 29dbdb09da2e
parent 3303 0ffb41625592
child 3750 f62625418bff
permissions -rw-r--r--
Tests: fix project edit test sikuli IDE test.

Background click based on bitmap matching doesn't work.
Grid dots are not good match candidates.
Rendering probably affected by virtual display's bpp or rasterizer approximations.
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# This file is part of Beremiz, a Integrated Development Environment for
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# programming IEC 61131-3 automates supporting plcopen standard and CanFestival.
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#
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# Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
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#
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# See COPYING file for copyrights details.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program 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
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# GNU 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 License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
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from __future__ import absolute_import
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import wx
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import wx.grid
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if wx.Platform == '__WXMSW__':
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    ROW_HEIGHT = 20
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else:
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    ROW_HEIGHT = 28
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class CustomTable(wx.grid.PyGridTableBase):
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    """
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    A custom wx.grid.Grid Table using user supplied data
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    """
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    def __init__(self, parent, data, colnames):
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        # The base class must be initialized *first*
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        wx.grid.GridTableBase.__init__(self)
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        self.data = data
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        self.colnames = colnames
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        self.Highlights = {}
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        self.Parent = parent
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        # XXX
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        # we need to store the row length and collength to
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        # see if the table has changed size
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        self._rows = self.GetNumberRows()
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        self._cols = self.GetNumberCols()
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    def GetNumberCols(self):
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        return len(self.colnames)
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    def GetNumberRows(self):
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        return len(self.data)
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    def GetColLabelValue(self, col, translate=True):
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        if col < len(self.colnames):
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            if translate:
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                return _(self.colnames[col])
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            return self.colnames[col]
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    def GetRowLabelValue(self, row, translate=True):
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        return str(row)
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    def GetValue(self, row, col):
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        if row < self.GetNumberRows():
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            return self.data[row].get(self.GetColLabelValue(col, False), "")
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    def SetValue(self, row, col, value):
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        if col < len(self.colnames):
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            self.data[row][self.GetColLabelValue(col, False)] = value
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    def GetValueByName(self, row, colname):
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        if row < self.GetNumberRows():
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            return self.data[row].get(colname)
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    def SetValueByName(self, row, colname, value):
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        if row < self.GetNumberRows():
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            self.data[row][colname] = value
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    def ResetView(self, grid):
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        """
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        (wx.grid.Grid) -> Reset the grid view.   Call this to
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        update the grid if rows and columns have been added or deleted
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        """
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        grid.CloseEditControl()
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        grid.BeginBatch()
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        for current, new, delmsg, addmsg in [
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                (
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                    self._rows,
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                    self.GetNumberRows(),
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                    wx.grid.GRIDTABLE_NOTIFY_ROWS_DELETED,
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                    wx.grid.GRIDTABLE_NOTIFY_ROWS_APPENDED
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                ),
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                (
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                    self._cols,
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                    self.GetNumberCols(),
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                    wx.grid.GRIDTABLE_NOTIFY_COLS_DELETED,
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                    wx.grid.GRIDTABLE_NOTIFY_COLS_APPENDED
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                ),
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        ]:
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            if new < current:
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                msg = wx.grid.GridTableMessage(self, delmsg, new, current-new)
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                grid.ProcessTableMessage(msg)
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            elif new > current:
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                msg = wx.grid.GridTableMessage(self, addmsg, new-current)
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                grid.ProcessTableMessage(msg)
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                self.UpdateValues(grid)
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        grid.EndBatch()
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        self._rows = self.GetNumberRows()
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        self._cols = self.GetNumberCols()
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        # update the column rendering scheme
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        self._updateColAttrs(grid)
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        # update the scrollbars and the displayed part of the grid
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        grid.AdjustScrollbars()
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        grid.ForceRefresh()
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    def UpdateValues(self, grid):
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        """Update all displayed values"""
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        # This sends an event to the grid table to update all of the values
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        msg = wx.grid.GridTableMessage(self, wx.grid.GRIDTABLE_REQUEST_VIEW_GET_VALUES)
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        grid.ProcessTableMessage(msg)
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    def _updateColAttrs(self, grid):
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        """
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        wx.grid.Grid -> update the column attributes to add the
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        appropriate renderer given the column name.
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        Otherwise default to the default renderer.
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        """
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        for row in range(self.GetNumberRows()):
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            row_highlights = self.Highlights.get(row, {})
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            for col in range(self.GetNumberCols()):
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                colname = self.GetColLabelValue(col, False)
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                grid.SetReadOnly(row, col, True)
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                grid.SetCellEditor(row, col, None)
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                grid.SetCellRenderer(row, col, None)
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                highlight_colours = row_highlights.get(colname.lower(), [(wx.WHITE, wx.BLACK)])[-1]
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                grid.SetCellBackgroundColour(row, col, highlight_colours[0])
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                grid.SetCellTextColour(row, col, highlight_colours[1])
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            self.ResizeRow(grid, row)
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    def ResizeRow(self, grid, row):
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        if grid.GetRowSize(row) < ROW_HEIGHT:
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            grid.SetRowMinimalHeight(row, ROW_HEIGHT)
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            grid.AutoSizeRow(row, False)
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    def SetData(self, data):
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        self.data = data
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    def GetData(self):
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        return self.data
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    def GetCurrentIndex(self):
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        return self.CurrentIndex
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    def SetCurrentIndex(self, index):
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        self.CurrentIndex = index
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    def AppendRow(self, row_content):
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        self.data.append(row_content)
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    def InsertRow(self, index, row_content):
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        self.data.insert(index, row_content)
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    def MoveRow(self, row_index, move):
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        new_index = max(0, min(row_index + move, len(self.data) - 1))
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        if new_index != row_index:
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            self.data.insert(new_index, self.data.pop(row_index))
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        return new_index
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    def RemoveRow(self, row_index):
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        self.data.pop(row_index)
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    def GetRow(self, row_index):
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        return self.data[row_index]
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    def Empty(self):
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        self.data = []
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    def AddHighlight(self, infos, highlight_type):
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        row_highlights = self.Highlights.setdefault(infos[0], {})
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        col_highlights = row_highlights.setdefault(infos[1], [])
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        col_highlights.append(highlight_type)
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    def RemoveHighlight(self, infos, highlight_type):
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        row_highlights = self.Highlights.get(infos[0])
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        if row_highlights is not None:
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            col_highlights = row_highlights.get(infos[1])
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            if col_highlights is not None and highlight_type in col_highlights:
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                col_highlights.remove(highlight_type)
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            if len(col_highlights) == 0:
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                row_highlights.pop(infos[1])
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    def ClearHighlights(self, highlight_type=None):
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        if highlight_type is None:
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            self.Highlights = {}
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        else:
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            for _row, row_highlights in self.Highlights.iteritems():
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                row_items = row_highlights.items()
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                for col, col_highlights in row_items:
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                    if highlight_type in col_highlights:
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                        col_highlights.remove(highlight_type)
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                    if len(col_highlights) == 0:
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                        row_highlights.pop(col)