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ui.py
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ui.py
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"""Gui module"""
import wx
import wx.grid
import wx.lib.scrolledpanel as scrolled
import wx.stc
import threading
import platform
import sql
"""
Datagrid: the base grid class
MultiscrolledGrid: A control that contain multiple grid
MultiGrid: Contain one Datagrid or one MultiscrolledGrid
ResultSetGrid: A control that contain MultiGrid and/or a Text aera
"""
class DbDataTable(wx.grid.GridTableBase):
def __init__(self, resultSet):
wx.grid.GridTableBase.__init__(self)
self.resultSet = resultSet
self.attr = wx.grid.GridCellAttr()
self.attr.SetTextColour("black")
self.nullAttr = wx.grid.GridCellAttr()
self.nullAttr.SetTextColour("light grey")
def GetAttr(self, row: int, col: int, kind):
if self.resultSet.data[row][col] is None:
self.nullAttr.IncRef()
return self.nullAttr
self.attr.IncRef()
return self.attr
# This is all it takes to make a custom data table to plug into a
# wxGrid. There are many more methods that can be overridden, but
# the ones shown below are the required ones. This table simply
# provides strings containing the row and column values.
def GetColLabelValue(self, col):
#return str(self.resultSet.description[col][0]+'\n'+self.resultSet.description[col][7])
return str(self.resultSet.description[col][0])
def GetNumberRows(self):
return len(self.resultSet.data)
def GetNumberCols(self):
return len(self.resultSet.description)
def IsEmptyCell(self, row, col):
return False
def GetValue(self, row, col):
data = self.resultSet.data[row][col]
if data is None:
return "null"
if type(data) is bool:
if data is True:
return "1"
else:
return "0"
data = str(data)
# for performance reason, we clamp the size of strings
return data[:1000]
# def SetValue(self, row, col, value):
# # we are readonly
# pass
class DataGrid(wx.grid.Grid):
"""A customized WxWidget Grid with a dbDataTable as datasource"""
def __init__(self, parent, data_table):
wx.grid.Grid.__init__(self, parent)
# Make the label font light
self.SetLabelFont(wx.Font(wx.NORMAL_FONT.GetPointSize(),
wx.FONTFAMILY_DEFAULT,
wx.FONTSTYLE_NORMAL,
wx.FONTWEIGHT_NORMAL,
False,
wx.EmptyString))
self.SetCellHighlightPenWidth(1)
self.EnableDragRowSize(False)
self.table = DbDataTable(data_table)
self.SetTable(self.table, True)
# resize label height to be consistent with the cells one
self.SetColLabelSize(self.CellToRect(0, 0)[3])
self.SetColLabelAlignment(wx.ALIGN_LEFT, wx.ALIGN_CENTRE)
self.SetRowLabelAlignment(wx.ALIGN_LEFT, wx.ALIGN_CENTRE)
# readOnly
self.EnableEditing(False)
self.EnableCellEditControl(False)
if self.table.RowsCount>0:
self.resize_columns_to_ideal_size(0, 100)
# Event handling
self.Bind(wx.PyEventBinder(wx.grid.wxEVT_GRID_COL_AUTO_SIZE),
self.col_auto_size_event)
self.Bind(wx.EVT_KEY_DOWN, self.on_key_down)
self.Bind(wx.grid.EVT_GRID_SELECT_CELL, self.grid_select_cell_event, self)
self.Bind(wx.grid.EVT_GRID_CELL_RIGHT_CLICK, self.show_popup_menu)
self.popup_copy_id = wx.NewId()
self.popup_copy_with_header_id = wx.NewId()
self.popup_copy_header_id = wx.NewId()
self.Bind(wx.EVT_MENU, self.menu_event)
if platform.system() == "Linux":
self.hidden_panel = wx.Panel(parent,pos = self.GetPosition(), size = self.GetSize())
self.hidden_panel.Show()
self.hidden_panel.Bind(wx.EVT_MOUSE_EVENTS,self.mousewheel_event)
print("Linux!")
# for child in self.GetChildren():
# print(child.GetName()+" "+str(child))
# child.Bind(wx.EVT_MOUSE_EVENTS,self.mousewheel_event)
def menu_event(self, e):
print("Menu event "+str(e.GetId() ))
i = e.GetId()
if i == self.popup_copy_id:
print(str(self.popup_copy_id))
self.copy_selection_to_clipboard()
elif i == self.popup_copy_with_header_id:
self.copy_selection_to_clipboard(True)
elif i == self.popup_copy_header_id:
self.copy_selected_headers_to_clipboard()
def show_popup_menu(self, event):
menu = wx.Menu()
menu.Append(self.popup_copy_id, "Copy\tCtrl+c")
menu.Append(self.popup_copy_with_header_id, "Copy with headers\tCtrl-Shift-c")
menu.Append(self.popup_copy_header_id, "Copy headers")
self.PopupMenu(menu)
menu.Destroy()
def mousewheel_event(self, e):
print("Mousewheel!")
e.Skip()
def grid_select_cell_event(self, evt):
row = evt.GetRow()
col = evt.GetCol()
self.SelectBlock(row, col, row, col)
evt.Skip()
def get_display_value(self, row, col):
d = self.table.resultSet.data[row][col]
if d is None:
return "NULL"
elif type(d) is bool:
if d is True:
return "1"
else:
return "0"
else:
return str(d)
def copy_selected_headers_to_clipboard(self):
data = ""
data = "\t".join(map(lambda col:
str(self.table.resultSet.description[col][0]), self.get_cols_with_selected_cells()))
data = data+"\n"
if wx.TheClipboard.Open():
wx.TheClipboard.SetData(wx.TextDataObject(data))
wx.TheClipboard.Close()
def copy_selection_to_clipboard(self, with_header: bool = False):
data = ""
if with_header:
data = "\t".join(map(lambda col:
str(self.table.resultSet.description[col][0]), self.get_cols_with_selected_cells()))
data = data+"\n"
for row in self.get_rows_with_selected_cells():
data = data+"\t".join(
map(lambda col:
self.get_display_value(row, col),
self.get_cols_with_selected_cells()))
data += '\n'
if wx.TheClipboard.Open():
wx.TheClipboard.SetData(wx.TextDataObject(data))
wx.TheClipboard.Close()
def on_key_down(self, e):
if e.GetUnicodeKey() == ord('C') and e.CmdDown():
if e.ShiftDown():
self.copy_selection_to_clipboard(True)
else:
self.copy_selection_to_clipboard()
e.Skip()
return
# propagate the event
e.ResumePropagation(1)
e.Skip()
def get_rows_with_selected_cells(self):
# if a column is selected -> return all the rows
if len(self.GetSelectedCols()) > 0:
print("Here")
return list(range(0, self.table.GetNumberRows()))
srows = self.GetSelectedRows()
for i in self.GetSelectedCells():
srows.append(i[0])
top = self.GetSelectionBlockTopLeft()
bottom = self.GetSelectionBlockBottomRight()
for i in range(0, len(top)):
srows = srows + list(range(top[i][0], bottom[i][0]+1))
return sorted(list(set(srows)))
def get_cols_with_selected_cells(self):
# if a row is selected -> return all the columns
if len(self.GetSelectedRows()) > 0:
return list(range(0, self.table.GetNumberCols()))
scols = self.GetSelectedCols()
for i in self.GetSelectedCells():
scols.append(i[1])
top = self.GetSelectionBlockTopLeft()
bottom = self.GetSelectionBlockBottomRight()
for i in range(0, len(top)):
scols = scols + list(range(top[i][1], bottom[i][1]+1))
return sorted(list(set(scols)))
def SetMinMaxSize(self, size: (int, int)):
"""Clamp the size of the grid to the desired value"""
# TODO: if the resultset have less than 400px we don't want
# the space need for the vertcal scrollbar
sbh = wx.SystemSettings.GetMetric(wx.SYS_VSCROLL_X)
self.SetMaxClientSize((size[0] - sbh, size[1]))
self.SetMinClientSize((size[0] - sbh, size[1]))
def get_visible_cells(self):
"""Get the cells bbox visible in the viewport"""
ux, uy = self.GetScrollPixelsPerUnit()
sx, sy = self.GetViewStart()
w, h = self.GetGridWindow().GetClientSize().Get()
sx *= ux
sy *= uy
start_col = self.XToCol(sx)
start_row = self.YToRow(sy)
end_col = self.XToCol(sx + w, True)
end_row = self.YToRow(sy + h, True)
return start_row, end_row, start_col, end_col
def get_visible_rows(self):
""" get the start and end of the visible rows """
start, end, _, _ = self.get_visible_cells()
return start, end
def get_label_best_size(self, col):
data = str(self.table.resultSet.description[col][0])
data = data[:1000]
font = self.GetLabelFont()
dc = wx.WindowDC(self)
dc.SetFont(font)
width, height = dc.GetTextExtent(data)
return width+12
def get_cell_best_size(self, row, col):
data = str(self.table.resultSet.data[row][col])
data = data[:1000]
font = self.GetCellFont(row, col)
dc = wx.WindowDC(self)
dc.SetFont(font)
width, height = dc.GetTextExtent(data)
return width+12
def resize_column_to_ideal_size(self, col, start_row=None, end_row=None):
if start_row is None:
start_row, end_row = self.get_visible_rows()
start_row = min(start_row, self.table.GetNumberRows()-1)
end_row = min(end_row, self.table.GetNumberRows()-1)
max_size = max(self.GetColMinimalAcceptableWidth() +
1, self.get_label_best_size(col))
for row in range(start_row, end_row+1):
s = self.get_cell_best_size(row, col)
if s > max_size:
max_size = s
self.SetColSize(col, max_size)
def resize_columns_to_ideal_size(self, start_row=None, end_row=None):
for col in range(0, self.table.GetNumberCols()):
self.resize_column_to_ideal_size(col, start_row, end_row)
def col_auto_size_event(self, e):
print("col_auto_size_event")
self.resize_column_to_ideal_size(e.GetRowOrCol())
class _multiScrolledGrid(scrolled.ScrolledPanel):
"""widget reprensenting many grid in one scrolled area"""
def __init__(self, parent, dataTables):
scrolled.ScrolledPanel.__init__(self, parent, -1)
vbox = wx.BoxSizer(wx.VERTICAL)
self.grids = []
for r in dataTables:
g = DataGrid(self, r)
self.grids.append(g)
s = parent.GetClientSize()
g.SetMinMaxSize((s[0], 400))
vbox.Add(g, 0, wx.ALL, 0)
vbox.Add((20, 0))
self.SetSizer(vbox)
self.SetupScrolling(True, True)
self.Layout()
self.Bind(wx.EVT_SIZE, self.on_size)
def on_size(self, event):
s = self.GetClientSize()
for g in self.grids:
g.SetMinMaxSize((s[0], 400))
class MultiGrid(wx.Panel):
"""A widget to present one or more grid"""
def __init__(self, parent, dataTables):
wx.Panel.__init__(self, parent)
# Sizer
main_sizer = wx.BoxSizer(wx.VERTICAL)
# Grid
self.grids = _create_grid_from_resultset(self, dataTables)
main_sizer.Add(self.grids, 1, wx.ALL | wx.EXPAND, 0)
self.SetSizer(main_sizer)
self.Layout()
def _create_grid_from_resultset(parent, data_tables):
if len(data_tables) == 0: # is None:
# No Data?
# we return a dummy control then
grid = wx.Panel(parent)
elif len(data_tables) == 1:
# Only one grid to display
grid = DataGrid(parent, data_tables[0])
else:
# Multi grid
grid = _multiScrolledGrid(parent, data_tables)
return grid
class ResultSetGrid(wx.Panel):
""" Mutli grid and/or a text message """
def __init__(self, parent, datatables, message):
wx.Panel.__init__(self, parent)
# Sizer
self.vbox = wx.BoxSizer(wx.VERTICAL)
self.note_book = wx.Notebook(self)
self.vbox.Add(self.note_book, 1, wx.ALL | wx.EXPAND, 0)
if datatables is not None and len(datatables) > 0: # there is Data to display
self.grid = MultiGrid(self.note_book, datatables)
self.note_book.AddPage(self.grid, "Result", True)
if message is not None: # there is message to display
self.message = wx.TextCtrl(
self.note_book, value=message, style=wx.TE_MULTILINE | wx.TE_READONLY)
self.note_book.AddPage(self.message, "Message", False)
self.infoBar = wx.InfoBar(self)
self.infoBar.SetShowHideEffects(
wx.SHOW_EFFECT_NONE, wx.SHOW_EFFECT_NONE)
self.vbox.Add(self.infoBar, wx.SizerFlags().Expand())
self.SetSizer(self.vbox)
self.Layout()
self.Show(True)
class QueryEditor(wx.Panel):
""" Sql editor with query result """
def __init__(self, parent, with_editor: bool=True):
self.srv = None
self.is_running = False
# self.metadata_cache = sql.MetadataCache()
wx.Frame.__init__(self, parent)
self.vbox = wx.BoxSizer(wx.VERTICAL)
# editor
#self.texteditor = wx.stc.StyledTextCtrl(self.splitter)
self.with_editor = with_editor
if self.with_editor == True:
# splitter
self.splitter = wx.SplitterWindow(self)
self.splitter.SetSashGravity(1.0)
self.texteditor = wx.TextCtrl(self.splitter, style=wx.TE_MULTILINE|wx.TE_RICH2)
# TODO: sql styling
self.texteditor.Bind(wx.EVT_KEY_DOWN, self.OnKeyDown)
# Resultset
self.result = ResultSetGrid(self.splitter, None, None)
self.splitter.SplitHorizontally(self.texteditor, self.result, -150)
self.splitter.Unsplit()
self.vbox.Add(self.splitter, 1, wx.ALL | wx.EXPAND, 0)
else:
self.result = ResultSetGrid(self, None, None)
self.vbox.Add(self.result, 1, wx.ALL | wx.EXPAND, 0)
self.SetSizer(self.vbox)
self.Layout()
self.Show(True)
def set_result(self, datatables, message):
self.is_running = False
if self.with_editor == True:
new = ResultSetGrid(self.splitter, datatables, message)
if self.splitter.IsSplit():
# allready splitted, we swap the old result with the new one
old = self.result
print(str(old)+","+str(new))
self.splitter.ReplaceWindow(old, new)
self.result = new
old.Destroy()
else:
# not splited -> only the editor is displayed -> with split and add the result control
self.splitter.SplitHorizontally(self.texteditor, new, -150)
self.result = new
else:
# no editor mode
new = ResultSetGrid(self, datatables, message)
old = self.result
self.vbox.Replace(old,new)
old.Destroy()
self.result = new
self.Layout()
def connect(self, connection):
if self.srv is not None:
self.srv.close()
self.srv = sql.Server(connection)
self.update_status()
# print(sql.MetadataCache.servers)
def update_status(self):
self.xmlrpcclient.set_instance_info(self.viewid,"["+self.srv.get_instace()+"]["+self.srv.get_database()+"]")
def _execute_async(self, query):
result = self.srv.batched_query(query)
self.update_status()
wx.CallAfter(self.set_result, result, self.srv.messages)
def execute(self):
query_text = self.texteditor.GetValue()
result = self.srv.batched_query(query_text)
self.update_status()
self.set_result(result, self.srv.messages)
def execute_async(self, query):
self.is_running = True
self.result.infoBar.ShowMessage("...Running....", wx.ICON_NONE)
threading.Thread(target=self._execute_async,
args=(query,)).start()
def cancel(self):
if self.is_running:
self.srv.cancel()
self.is_running = False
self.update_status()
def OnKeyDown(self, e):
# Exec
if e.GetKeyCode() == wx.WXK_F5 and not self.is_running:
self.is_running = True
self.result.infoBar.ShowMessage("...Running....", wx.ICON_NONE)
query_text = self.texteditor.GetValue()
threading.Thread(target=self._execute_async,
args=(query_text,)).start()
# cancel
if e.GetKeyCode() == wx.WXK_ESCAPE and self.is_running:
self.srv.cancel()
self.is_running = False
# propagate the event
e.ResumePropagation(1)
e.Skip()
# class Page:
# def __init__(self, parent, title, id, sqlServer):
# super().__init__(parent, None, "")
# self.connection = sqlServer
# self.id = id
# self.title = title
class Pager(wx.Panel):
def __init__(self, parent):
wx.Frame.__init__(self, parent)
self.vbox = wx.BoxSizer(wx.VERTICAL)
self.note_book = wx.Notebook(self)
self.grids = {}
self.vbox.Add(self.note_book, 1, wx.ALL | wx.EXPAND, 0)
self.SetSizer(self.vbox)
self.Layout()
self.Show(True)
# def newPage(self, title, id, sqlServer):
# self.grids[id] = Page(self.note_book, title, id, sqlServer)
# self.note_book.AddPage(self.grids[id], title, True)
if __name__ == '__main__':
import sys
import getopt
import sql
class MainFrame(wx.Frame):
def __init__(self, title):
wx.Frame.__init__(self, None, title=title, size=(640, 480))
self.res = QueryEditor(self)
server = None
instance = None
user = None
password = None
try:
opts, args = getopt.getopt(sys.argv[1:], "S:I:U:P:")
except getopt.GetoptError:
print('sql.py -S Server [-I <Instance>] [-U User] [-P Password]')
sys.exit(2)
for opt, arg in opts:
if opt == '-S':
server = arg
elif opt == '-I':
instance = arg
elif opt == '-U':
user = arg
elif opt == '-P':
password = arg
conn = sql.ConnectionInfo(
server=server, instance=instance, user=user, password=password)
app = wx.App()
print(wx.PlatformInformation.Get().GetToolkitMajorVersion())
frame = MainFrame(title="TdsKit")
frame.res.connect(conn)
frame.Show()
app.MainLoop()