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# (C) Copyright 2005-2023 Enthought, Inc., Austin, TX
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license included in LICENSE.txt and may be redistributed only under
# the conditions described in the aforementioned license. The license
# is also available online at http://www.enthought.com/licenses/BSD.txt
#
# Thanks for using Enthought open source!
import wx
from wx.grid import Grid
from wx.grid import GridCellFloatRenderer, GridCellFloatEditor
class AbstractGridView(Grid):
""" Enthought's default spreadsheet view.
Uses a virtual data source.
THIS CLASS IS NOT LIMITED TO ONLY DISPLAYING LOG DATA!
"""
def __init__(self, parent, ID=-1, **kw):
Grid.__init__(self, parent, ID, **kw)
# We have things set up to edit on a single click - so we have to select
# an initial cursor location that is off of the screen otherwise a cell
# will be in edit mode as soon as the grid fires up.
self.moveTo = [1000, 1]
self.edit = False
# this seems like a busy idle ...
self.Bind(wx.EVT_IDLE, self.OnIdle)
# Enthought specific display controls ...
self.init_labels()
self.init_data_types()
self.init_handlers()
self.Bind(wx.grid.EVT_GRID_EDITOR_CREATED, self._on_editor_created)
def init_labels(self):
self.SetLabelFont(
wx.Font(
self.GetFont().GetPointSize(), wx.SWISS, wx.NORMAL, wx.BOLD
)
)
self.SetGridLineColour("blue")
self.SetColLabelAlignment(wx.ALIGN_CENTRE, wx.ALIGN_CENTRE)
self.SetRowLabelAlignment(wx.ALIGN_LEFT, wx.ALIGN_CENTRE)
def init_data_types(self):
""" If the model says a cell is of a specified type, the grid uses
the specific renderer and editor set in this method.
"""
self.RegisterDataType(
"LogData",
GridCellFloatRenderer(precision=3),
GridCellFloatEditor(),
)
def init_handlers(self):
self.Bind(wx.grid.EVT_GRID_CELL_LEFT_CLICK, self.OnCellLeftClick)
self.Bind(wx.grid.EVT_GRID_CELL_RIGHT_CLICK, self.OnCellRightClick)
self.Bind(wx.grid.EVT_GRID_CELL_LEFT_DCLICK, self.OnCellLeftDClick)
self.Bind(wx.grid.EVT_GRID_CELL_RIGHT_DCLICK, self.OnCellRightDClick)
self.Bind(wx.grid.EVT_GRID_LABEL_LEFT_CLICK, self.OnLabelLeftClick)
self.Bind(wx.grid.EVT_GRID_LABEL_RIGHT_CLICK, self.OnLabelRightClick)
self.Bind(wx.grid.EVT_GRID_LABEL_LEFT_DCLICK, self.OnLabelLeftDClick)
self.Bind(wx.grid.EVT_GRID_LABEL_RIGHT_DCLICK, self.OnLabelRightDClick)
self.Bind(wx.grid.EVT_GRID_ROW_SIZE, self.OnRowSize)
self.Bind(wx.grid.EVT_GRID_COL_SIZE, self.OnColSize)
self.Bind(wx.grid.EVT_GRID_RANGE_SELECT, self.OnRangeSelect)
self.Bind(wx.grid.EVT_GRID_CELL_CHANGE, self.OnCellChange)
self.Bind(wx.grid.EVT_GRID_SELECT_CELL, self.OnSelectCell)
self.Bind(wx.grid.EVT_GRID_EDITOR_SHOWN, self.OnEditorShown)
self.Bind(wx.grid.EVT_GRID_EDITOR_HIDDEN, self.OnEditorHidden)
self.Bind(wx.grid.EVT_GRID_EDITOR_CREATED, self.OnEditorCreated)
def SetColLabelsVisible(self, show=True):
""" This only works if you 'hide' then 'show' the labels.
"""
if not show:
self._default_col_label_size = self.GetColLabelSize()
self.SetColLabelSize(0)
else:
self.SetColLabelSize(self._default_col_label_size)
def SetRowLabelsVisible(self, show=True):
""" This only works if you 'hide' then 'show' the labels.
"""
if not show:
self._default_row_label_size = self.GetRowLabelSize()
self.SetRowLabelSize(0)
else:
self.SetRowLabelSize(self._default_row_label_size)
def SetTable(self, table, *args):
""" Some versions of wxPython do not return the correct
table - hence we store our own copy here - weak ref?
todo - does this apply to Enthought?
"""
self._table = table
return Grid.SetTable(self, table, *args)
def GetTable(self):
# Terminate editing of the current cell to force an update of the table
self.DisableCellEditControl()
return self._table
def Reset(self):
""" Resets the view based on the data in the table.
Call this when rows are added or destroyed.
"""
self._table.ResetView(self)
def OnCellLeftClick(self, evt):
evt.Skip()
def OnCellRightClick(self, evt):
# print self.GetDefaultRendererForCell(evt.GetRow(), evt.GetCol())
evt.Skip()
def OnCellLeftDClick(self, evt):
if self.CanEnableCellControl():
self.EnableCellEditControl()
evt.Skip()
def OnCellRightDClick(self, evt):
evt.Skip()
def OnLabelLeftClick(self, evt):
evt.Skip()
def OnLabelRightClick(self, evt):
evt.Skip()
def OnLabelLeftDClick(self, evt):
evt.Skip()
def OnLabelRightDClick(self, evt):
evt.Skip()
def OnRowSize(self, evt):
evt.Skip()
def OnColSize(self, evt):
evt.Skip()
def OnRangeSelect(self, evt):
# if evt.Selecting():
# print "OnRangeSelect: top-left %s, bottom-right %s\n" % (evt.GetTopLeftCoords(), evt.GetBottomRightCoords())
evt.Skip()
def OnCellChange(self, evt):
evt.Skip()
def OnIdle(self, evt):
""" Immediately jumps into editing mode, bypassing the usual select mode
of a spreadsheet. See also self.OnSelectCell().
"""
if self.edit:
if self.CanEnableCellControl():
self.EnableCellEditControl()
self.edit = False
if self.moveTo is not None:
self.SetGridCursor(self.moveTo[0], self.moveTo[1])
self.moveTo = None
evt.Skip()
def OnSelectCell(self, evt):
""" Immediately jumps into editing mode, bypassing the usual select mode
of a spreadsheet. See also self.OnIdle().
"""
self.edit = True
evt.Skip()
def OnEditorShown(self, evt):
evt.Skip()
def OnEditorHidden(self, evt):
evt.Skip()
def OnEditorCreated(self, evt):
evt.Skip()
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