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Tables.py
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Tables.py
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#!/usr/bin/env python
#
# Protein Engineering Analysis Tool DataBase (PEATDB)
# Copyright (C) 2010 Damien Farrell & Jens Erik Nielsen
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# Contact information:
# Email: Jens.Nielsen_at_gmail.com
# Normal mail:
# Jens Nielsen
# SBBS, Conway Institute
# University College Dublin
# Dublin 4, Ireland
#
from Tkinter import *
from TableModels import TableModel
from TableFormula import Formula
from Prefs import Preferences
import tkFileDialog, tkMessageBox, tkSimpleDialog
import tkFont
import math
from types import *
class TableCanvas(Canvas):
"""A tkinter class for providing table functionality"""
def __init__(self, parent=None, model=None, newdict=None, width=None, height=None, **kwargs):
Canvas.__init__(self, parent, bg='white',
width=width, height=height,
relief=GROOVE,
scrollregion=(0,0,300,200))
self.parentframe = parent
#get platform into a variable
self.ostyp = self.checkOSType()
import platform
self.platform=platform.system()
self.width=width
self.height=height
self.set_defaults()
self.currentpage = None
self.navFrame = None
self.currentrow = 0
self.currentcol = 0
self.reverseorder = 0
#for multiple selections
self.startrow = self.endrow = None
self.startcol = self.endcol = None
self.allrows = False #for selected all rows without setting multiplerowlist
self.multiplerowlist=[]
self.multiplecollist=[]
self.col_positions=[] #record current column grid positions
self.mode = 'normal'
self.editable = True
self.filtered = False
self.loadPrefs()
#set any options passed in kwargs to overwrite defaults/prefs
for key in kwargs:
self.__dict__[key] = kwargs[key]
if model == None:
self.model = TableModel(rows=10,columns=5)
else:
self.model = model
if newdict != None:
self.createfromDict(newdict)
self.rows=self.model.getRowCount()
self.cols=self.model.getColumnCount()
self.tablewidth=(self.cellwidth)*self.cols
self.tablecolheader = ColumnHeader(self.parentframe, self)
self.tablerowheader = RowHeader(self.parentframe, self)
self.do_bindings()
#column specific actions, define for every column type in the model
#when you add a column type you should edit this dict
self.columnactions = {'text' : {"Edit": 'draw_cellentry' },
'number' : {"Edit": 'draw_cellentry' }}
#self.savePrefs()
return
def set_defaults(self):
self.cellwidth=150
self.maxcellwidth=400
self.rowheight=20
self.horizlines=1
self.vertlines=1
self.alternaterows=0
self.autoresizecols = 0
self.paging = 0
self.rowsperpage = 50
self.inset=2
self.x_start=0
self.y_start=1
self.linewidth=1.0
self.thefont = "Arial 11"
self.cellbackgr = '#F7F7FA'
self.entrybackgr = 'white'
self.grid_color = '#ABB1AD'
self.selectedcolor = 'yellow'
self.rowselectedcolor = '#CCCCFF'
self.multipleselectioncolor = '#ECD672'
return
def mouse_wheel(self, event):
"""Handle mouse wheel scroll for windows"""
if event.num == 5 or event.delta == -120:
event.widget.yview_scroll(1, UNITS)
self.tablerowheader.yview_scroll(1, UNITS)
if event.num == 4 or event.delta == 120:
event.widget.yview_scroll(-1, UNITS)
self.tablerowheader.yview_scroll(-1, UNITS)
return
def do_bindings(self):
"""Bind keys and mouse clicks, this can be overriden"""
self.bind("<Button-1>",self.handle_left_click)
self.bind("<Double-Button-1>",self.handle_double_click)
self.bind("<Control-Button-1>", self.handle_left_ctrl_click)
self.bind("<Shift-Button-1>", self.handle_left_shift_click)
self.bind("<ButtonRelease-1>", self.handle_left_release)
if self.ostyp=='mac':
#For mac we bind Shift, left-click to right click
self.bind("<Button-2>", self.handle_right_click)
self.bind('<Shift-Button-1>',self.handle_right_click)
else:
self.bind("<Button-3>", self.handle_right_click)
self.bind('<B1-Motion>', self.handle_mouse_drag)
self.bind('<Motion>', self.handle_motion)
self.bind_all("<Control-x>", self.delete_Row)
self.bind_all("<Control-n>", self.add_Row)
self.bind_all("<Delete>", self.delete_Cells)
self.bind_all("<Control-v>", self.paste)
#if not hasattr(self,'parentapp'):
# self.parentapp = self.parentframe
self.parentframe.master.bind_all("<Right>", self.handle_arrow_keys)
self.parentframe.master.bind_all("<Left>", self.handle_arrow_keys)
self.parentframe.master.bind_all("<Up>", self.handle_arrow_keys)
self.parentframe.master.bind_all("<Down>", self.handle_arrow_keys)
self.parentframe.master.bind_all("<KP_8>", self.handle_arrow_keys)
self.parentframe.master.bind_all("<Return>", self.handle_arrow_keys)
self.parentframe.master.bind_all("<Tab>", self.handle_arrow_keys)
if 'windows' in self.platform:
self.bind("<MouseWheel>", self.mouse_wheel)
self.bind('<Button-4>', self.mouse_wheel)
self.bind('<Button-5>', self.mouse_wheel)
return
def getModel(self):
"""Get the current table model"""
return self.model
def setModel(self,model):
self.model = model
return
def createfromDict(self, data):
"""Attempt to create a new model/table from a dict"""
try:
namefield=self.namefield
except:
namefield=data.keys()[0]
self.model = TableModel()
self.model.importDict(data, namefield=namefield)
self.model.setSortOrder(0,reverse=self.reverseorder)
return
def createTableFrame(self, callback=None):
"""Adds column header and scrollbars and combines them with
the current table adding all to the master frame provided in constructor.
Table is then redrawn."""
#Add the table and header to the frame
self.Yscrollbar = AutoScrollbar(self.parentframe,orient=VERTICAL,command=self.set_yviews)
self.Yscrollbar.grid(row=1,column=2,rowspan=1,sticky='news',pady=0,ipady=0)
self.Xscrollbar = AutoScrollbar(self.parentframe,orient=HORIZONTAL,command=self.set_xviews)
self.Xscrollbar.grid(row=2,column=1,columnspan=1,sticky='news')
self['xscrollcommand'] = self.Xscrollbar.set
self['yscrollcommand'] = self.Yscrollbar.set
self.tablecolheader['xscrollcommand']=self.Xscrollbar.set
self.tablerowheader['yscrollcommand']=self.Yscrollbar.set
self.parentframe.rowconfigure(1,weight=1)
self.parentframe.columnconfigure(1,weight=1)
self.tablecolheader.grid(row=0,column=1,rowspan=1,sticky='news',pady=0,ipady=0)
self.tablerowheader.grid(row=1,column=0,rowspan=1,sticky='news',pady=0,ipady=0)
self.grid(row=1,column=1,rowspan=1,sticky='news',pady=0,ipady=0)
if self.model.getRowCount()<500:
self.adjust_colWidths()
self.redrawTable(callback=callback)
self.parentframe.bind("<Configure>", self.resizeTable)
self.tablecolheader.xview("moveto", 0)
self.xview("moveto", 0)
#self.table.yview("moveto", 0)
return
def redrawTable(self, event=None, callback=None):
"""Draw the table from scratch based on it's model data"""
import time
model = self.model
self.rows=self.model.getRowCount()
self.cols=self.model.getColumnCount()
self.tablewidth=(self.cellwidth)*self.cols
self.configure(bg=self.cellbackgr)
#determine col positions for first time
self.set_colPositions()
#are we drawing a filtered subset of the recs?
if self.filtered == True and self.model.filteredrecs != None:
self.rows = len(self.model.filteredrecs)
self.delete('colrect')
#check if large no. of records and switch to paging view
if self.paging == 0 and self.rows >= 500:
self.paging = 1
#if using paging, we only want to display the current page..
if self.paging == 1:
self.numpages = int(math.ceil(float(self.rows)/self.rowsperpage))
if self.currentpage == None:
self.currentpage = 0
self.drawNavFrame()
else:
try:
self.navFrame.destroy()
self.navFrame.forget()
except:
pass
#determine current range of rows to draw if paging
if self.paging == 1 and self.rows>self.rowsperpage:
lower=self.currentpage*self.rowsperpage
upper=lower+self.rowsperpage
if upper>=self.rows:
upper=self.rows
self.rowrange=range(lower,upper)
self.configure(scrollregion=(0,0, self.tablewidth+self.x_start, self.rowheight*self.rowsperpage+10))
else:
self.rowrange = range(0,self.rows)
self.configure(scrollregion=(0,0, self.tablewidth+self.x_start, self.rowheight*self.rows+10))
self.draw_grid()
self.update_idletasks()
self.tablecolheader.redraw()
self.tablerowheader.redraw(paging=self.paging)
align=None
self.delete('fillrect')
if self.cols == 0 or self.rows == 0:
self.delete('entry')
self.delete('rowrect')
self.delete('currentrect')
return
#now draw model data in cells
rowpos=0
if self.model!=None:
for row in self.rowrange:
if callback != None:
callback()
for col in range(self.cols):
colname = model.getColumnName(col)
if colname == 'name' or colname == 'Name':
align='w'
else:
align=None
bgcolor = self.model.getColorAt(row,col, 'bg')
fgcolor = self.model.getColorAt(row,col, 'fg')
text = self.model.getValueAt(row,col)
self.draw_Text(rowpos, col, text, fgcolor, align)
if bgcolor != None:
self.draw_rect(rowpos,col, color=bgcolor)
rowpos+=1
self.setSelectedRow(0)
self.drawSelectedRow()
self.draw_selected_rect(self.currentrow, self.currentcol)
if len(self.multiplerowlist)>1:
self.drawMultipleRows(self.multiplerowlist)
return
def redrawCell(self, row=None, col=None, recname=None, colname=None):
"""Redraw a specific cell only"""
if row == None and recname != None:
row = self.model.getRecordIndex(recname)
if col == None and colname != None:
col = self.model.getColumnIndex(colname)
bgcolor = self.model.getColorAt(row,col, 'bg')
fgcolor = self.model.getColorAt(row,col, 'fg')
text = self.model.getValueAt(row,col)
self.draw_Text(row, col, text, fgcolor)
if bgcolor != None:
self.draw_rect(row,col, color=bgcolor)
return
def resizeTable(self, event):
"""Respond to a resize event - redraws table"""
if self.autoresizecols == 1 and event != None:
self.cellwidth = (event.width - self.x_start - 24) / self.cols
#print 'cellwidth', self.cellwidth
self.redrawTable()
return
def adjust_colWidths(self):
"""Optimally adjust col widths at start to accomodate the longest entry"""
try:
fontsize=self.celltextsizevar.get()
except:
fontsize=11
scale = 8.5 # +fontsize/10
for col in range(self.cols):
width = self.model.getlongestEntry(col) * scale
#print 'comparing', width, self.maxcellwidth
if width >= self.maxcellwidth:
width = self.maxcellwidth
elif width < self.cellwidth:
width = self.cellwidth
colname=self.model.getColumnName(col)
self.model.columnwidths[colname]=width
return
def set_colPositions(self):
"""Determine current column grid positions"""
self.col_positions=[]
w=self.cellwidth
x_pos=self.x_start
self.col_positions.append(x_pos)
for col in range(self.cols):
colname=self.model.getColumnName(col)
if self.model.columnwidths.has_key(colname):
x_pos=x_pos+self.model.columnwidths[colname]
else:
x_pos=x_pos+w
self.col_positions.append(x_pos)
self.tablewidth = self.col_positions[len(self.col_positions)-1]
return
def sortTable(self, sortcol=None, reverse=0):
"""Set up sort order dict based on currently selected field"""
#self.sortcol = self.currentcol
self.model.setSortOrder(self.currentcol, self.reverseorder)
self.reverseorder = reverse
self.redrawTable()
return
def set_xviews(self,*args):
"""Set the xview of table and col header"""
apply(self.xview,args)
apply(self.tablecolheader.xview,args)
return
def set_yviews(self,*args):
"""Set the xview of table and row header"""
apply(self.yview,args)
apply(self.tablerowheader.yview,args)
return
def drawNavFrame(self):
"""Draw the frame for selecting pages when paging is on"""
#print 'adding page frame'
import Table_images
self.navFrame = Frame(self.parentframe)
self.navFrame.grid(row=4,column=0,columnspan=2,sticky='news',padx=1,pady=1,ipady=1)
pagingbuttons = { 'start' : self.first_Page, 'prev' : self.prev_Page,
'next' : self.next_Page, 'end' : self.last_Page}
images = { 'start' : Table_images.start(), 'prev' : Table_images.prev(),
'next' : Table_images.next(), 'end' : Table_images.end()}
skeys=['start', 'prev', 'next', 'end']
for i in skeys:
b = Button(self.navFrame, text=i, command=pagingbuttons[i],
relief=GROOVE,
image=images[i])
b.image = images[i]
b.pack(side=LEFT, ipadx=1, ipady=1)
Label(self.navFrame,text='Page '+str(self.currentpage+1)+' of '+ str(self.numpages),fg='white',
bg='#3366CC',relief=SUNKEN).pack(side=LEFT,ipadx=2,ipady=2,padx=4)
#Label(self.navFrame,text='Goto Record:').pack(side=LEFT,padx=3)
#self.gotorecordvar = StringVar()
#Entry(self.navFrame,textvariable=self.gotorecordvar,
# width=8,bg='white').pack(side=LEFT,ipady=3,padx=2)
Label(self.navFrame,text=str(self.rows)+' records').pack(side=LEFT,padx=3)
Button(self.navFrame,text='Normal View',command=self.paging_Off,
bg='#99CCCC',relief=GROOVE).pack(side=LEFT,padx=3)
return
def paging_Off(self):
self.rows=self.model.getRowCount()
if self.rows >= 1000:
tkMessageBox.showwarning("Warning",
'This table has over 1000 rows.'
'You should stay in page view.'
'You can increase the rows per page in settings.',
parent=self.parentframe)
else:
self.paging = 0
self.usepagingvar.set(0)
self.redrawTable()
return
def first_Page(self):
"""Go to next page"""
self.currentpage = 0
self.redrawTable()
return
def last_Page(self):
"""Go to next page"""
self.currentpage = self.numpages-1
self.redrawTable()
return
def prev_Page(self):
"""Go to next page"""
if self.currentpage > 0:
self.currentpage -= 1
self.redrawTable()
return
def next_Page(self):
"""Go to next page"""
if self.currentpage < self.numpages-1:
self.currentpage += 1
self.redrawTable()
return
def get_AbsoluteRow(self, row):
"""This function always returns the corrected absolute row number,
whether if paging is on or not"""
if self.paging == 0:
return row
absrow = row+self.currentpage*self.rowsperpage
return absrow
def check_PageView(self, row):
"""Check if row clickable for page view"""
if self.paging == 1:
absrow = self.get_AbsoluteRow(row)
if absrow >= self.rows or row > self.rowsperpage:
return 1
return 0
def add_Row(self, rowname=None):
"""Add a new row"""
if rowname == None:
rowname = tkSimpleDialog.askstring("New row name?",
"Enter row name:",
parent=self.parentframe)
if rowname != None:
if rowname == '':
tkMessageBox.showwarning("Whoops",
"Name should not be blank.",
parent=self.parentframe)
return
if self.getModel().data.has_key(rowname):
tkMessageBox.showwarning("Name exists",
"Record already exists!",
parent=self.parentframe)
else:
self.model.addRow(rowname)
self.setSelectedRow(self.model.getRecordIndex(rowname))
self.redrawTable()
return
def add_Column(self, newname=None):
"""Add a new column"""
if newname == None:
d = SimpleTableDialog(title="New Column",
parent=self.parentframe, table=self)
if d.result == None:
return
else:
coltype = d.result[0]
newname = d.result[1]
if newname != None:
if newname in self.getModel().columnNames:
tkMessageBox.showwarning("Name exists",
"Name already exists!",
parent=self.parentframe)
else:
self.model.addColumn(newname, coltype)
self.parentframe.configure(width=self.width)
self.redrawTable()
return
def delete_Row(self):
"""Delete a row"""
if len(self.multiplerowlist)>1:
print 'deleting mult'
n = tkMessageBox.askyesno("Delete",
"Delete Selected Records?",
parent=self.parentframe)
print str(n)
if n == True:
rows = self.multiplerowlist
self.model.deleteRows(rows)
self.setSelectedRow(0)
self.multiplerowlist = []
self.redrawTable()
else:
n = tkMessageBox.askyesno("Delete",
"Delete This Record?",
parent=self.parentframe)
if n:
row = self.getSelectedRow()
self.model.deleteRow(row)
self.setSelectedRow(row-1)
self.clearSelected()
self.redrawTable()
return
def delete_Column(self):
"""Delete currently selected column"""
n = tkMessageBox.askyesno("Delete",
"Delete This Column?",
parent=self.parentframe)
if n:
col = self.getSelectedColumn()
self.model.deleteColumn(col)
self.currentcol = self.currentcol - 1
self.redrawTable()
return
def delete_Cells(self, rows, cols):
"""Clear the cell contents"""
n = tkMessageBox.askyesno("Clear Confirm",
"Clear this data?",
parent=self.parentframe)
if not n:
return
for col in cols:
for row in rows:
absrow = self.get_AbsoluteRow(row)
self.model.deleteCellRecord(row, col)
self.redrawCell(row,col)
return
def autoAdd_Rows(self, numrows=None):
"""Automatically add x number of records"""
import string
if numrows == None:
numrows = tkSimpleDialog.askinteger("Auto add rows.",
"How many empty rows?",
parent=self.parentframe)
self.model.auto_AddRows(numrows)
self.redrawTable()
return
def autoAdd_Columns(self, numcols=None):
"""Automatically add x number of cols"""
if numcols == None:
numcols = tkSimpleDialog.askinteger("Auto add rows.",
"How many empty columns?",
parent=self.parentframe)
self.model.auto_AddColumns(numcols)
self.parentframe.configure(width=self.width)
self.redrawTable()
return
def getRecordInfo(self, row):
"""Show the record for this row"""
model = self.model
#We need a custom dialog for allowing field entries here
absrow = self.get_AbsoluteRow(row)
d = RecordViewDialog(title="Record Details",
parent=self.parentframe, table=self, row=absrow)
return
def findValue(self, searchstring=None, findagain=None):
"""Return the row/col for the input value"""
if searchstring == None:
searchstring = tkSimpleDialog.askstring("Search table.",
"Enter search value",
parent=self.parentframe)
found=0
if findagain == None or not hasattr(self,'foundlist'):
self.foundlist=[]
if self.model!=None:
for row in range(self.rows):
for col in range(self.cols):
text = str(self.model.getValueAt(row,col))
if text=='' or text==None:
continue
cell=row,col
if findagain == 1 and cell in self.foundlist:
continue
if text.lower().find(searchstring.lower())!=-1:
print 'found in',row,col
found=1
#highlight cell
self.delete('searchrect')
self.draw_rect(row, col, color='red', tag='searchrect', delete=0)
self.lift('searchrect')
self.lift('celltext'+str(col)+'_'+str(row))
#add row/col to foundlist
self.foundlist.append(cell)
#need to scroll to centre the cell here..
x,y = self.getCanvasPos(row, col)
self.xview('moveto', x)
self.yview('moveto', y)
self.tablecolheader.xview('moveto', x)
self.tablerowheader.yview('moveto', y)
return row, col
if found==0:
self.delete('searchrect')
print 'nothing found'
return None
def closeFilterFrame(self):
"""Callback for closing filter frame"""
self.filterframe = None
self.showAll()
return
def showAll(self):
self.model.filteredrecs = None
self.filtered = False
self.redrawTable()
return
def doFilter(self, event=None):
"""Filter the table display by some column values.
We simply pass the model search function to the the filtering
class and that handles everything else.
See filtering frame class for how searching is done.
"""
if self.model==None:
return
from Filtering import FilterFrame
names = self.filterframe.doFiltering(searchfunc=self.model.filterBy)
#create a list of filtered recs
self.model.filteredrecs = names
self.filtered = True
if self.paging == 1:
self.currentpage = 0
self.redrawTable()
return
def createFilteringBar(self, parent=None, fields=None):
"""Add a filter frame"""
if parent == None:
parent = Toplevel()
if fields == None:
fields = self.model.columnNames
from Filtering import FilterFrame
self.filterframe = FilterFrame(parent, fields,
self.doFilter, self.closeFilterFrame)
return self.filterframe
def showFilteringBar(self):
frame = self.createFilteringBar()
frame.pack()
return
def resize_Column(self, col, width):
"""Resize a column by dragging"""
#print 'resizing column', col
#recalculate all col positions..
colname=self.model.getColumnName(col)
self.model.columnwidths[colname]=width
self.set_colPositions()
self.redrawTable()
self.drawSelectedCol(self.currentcol)
return
def get_currentRecord(self):
"""Get the currently selected record"""
rec = self.model.getRecordAtRow(self.currentrow)
return rec
def get_currentColName(self):
"""Get the currently selected record name"""
colname = self.mo(self.currentcol)
return colname
def get_currentRecordName(self):
"""Get the currently selected record name"""
recname = self.model.getRecName(self.currentrow)
return recname
def get_selectedRecordNames(self):
"""Get a list of the current multiple selection, if any"""
recnames=[]
for row in self.multiplerowlist:
recnames.append(self.model.getRecName(row))
return recnames
def get_currentRecCol(self):
"""Get the clicked rec and col names as a tuple"""
recname = self.get_currentRecordName()
colname = self.get_currentColName()
return (recname, colname)
def get_row_clicked(self, event):
"""get row where event on canvas occurs"""
h=self.rowheight
#get coord on canvas, not window, need this if scrolling
y = int(self.canvasy(event.y))
y_start=self.y_start
rowc = (int(y)-y_start)/h
#rowc = math.floor(rowc)
#print 'event.y',event.y, 'y',y
#print 'rowclicked', rowc
return rowc
def get_col_clicked(self,event):
"""get col where event on canvas occurs"""
w=self.cellwidth
x = int(self.canvasx(event.x))
x_start=self.x_start
#print self.col_positions
for colpos in self.col_positions:
try:
nextpos=self.col_positions[self.col_positions.index(colpos)+1]
except:
nextpos=self.tablewidth
if x > colpos and x <= nextpos:
#print 'x=', x, 'colpos', colpos, self.col_positions.index(colpos)
return self.col_positions.index(colpos)
else:
#print None
pass
#return colc
def setSelectedRow(self, row):
"""Set currently selected row and reset multiple row list"""
self.currentrow = row
self.multiplerowlist = []
self.multiplerowlist.append(row)
return
def setSelectedCol(self, col):
"""Set currently selected column"""
self.currentcol = col
self.multiplecollist = []
self.multiplecollist.append(col)
return
def getSelectedRow(self):
"""Get currently selected row"""
return self.currentrow
def getSelectedColumn(self):
"""Get currently selected column"""
return self.currentcol
def select_All(self):
"""Select all rows"""
self.startrow = 0
self.endrow = self.rows
self.multiplerowlist = range(self.startrow,self.endrow)
self.drawMultipleRows(self.multiplerowlist)
return
def getCellCoords(self, row, col):
"""Get x-y coordinates to drawing a cell in a given row/col"""
colname=self.model.getColumnName(col)
if self.model.columnwidths.has_key(colname):
w=self.model.columnwidths[colname]
else:
w=self.cellwidth
h=self.rowheight
x_start=self.x_start
y_start=self.y_start
#get nearest rect co-ords for that row/col
#x1=x_start+w*col
x1=self.col_positions[col]
y1=y_start+h*row
x2=x1+w
y2=y1+h
return x1,y1,x2,y2
def getCanvasPos(self, row, col):
"""Get the cell x-y coords as a fraction of canvas size"""
if self.rows==0:
return None, None
x1,y1,x2,y2 = self.getCellCoords(row,col)
cx=float(x1)/self.tablewidth
cy=float(y1)/(self.rows*self.rowheight)
return cx, cy
def isInsideTable(self,x,y):
"""Returns true if x-y coord is inside table bounds"""
if self.x_start < x < self.tablewidth and self.y_start < y < self.rows*self.rowheight:
return 1
else:
return 0
return answer
def setRowHeight(self, h):
"""Set the row height"""
self.rowheight = h
return
def clearSelected(self):
self.delete('rect')
self.delete('entry')
self.delete('tooltip')
self.delete('searchrect')
self.delete('colrect')
self.delete('multicellrect')
#self.delete('formulabox')
return
def gotoprevRow(self):
"""Programmatically set previous row - eg. for button events"""
self.clearSelected()
current = self.getSelectedRow()
self.setSelectedRow(current-1)
self.startrow = current-1
self.endrow = current-1
#reset multiple selection list
self.multiplerowlist=[]
self.multiplerowlist.append(self.currentrow)
self.draw_selected_rect(self.currentrow, self.currentcol)
self.drawSelectedRow()
coltype = self.model.getColumnType(self.currentcol)
if coltype == 'text' or coltype == 'number':
self.draw_cellentry(self.currentrow, self.currentcol)
return
def gotonextRow(self):
"""Programmatically set next row - eg. for button events"""
self.clearSelected()
current = self.getSelectedRow()
self.setSelectedRow(current+1)
self.startrow = current+1
self.endrow = current+1
#reset multiple selection list
self.multiplerowlist=[]
self.multiplerowlist.append(self.currentrow)
self.draw_selected_rect(self.currentrow, self.currentcol)
self.drawSelectedRow()
coltype = self.model.getColumnType(self.currentcol)
if coltype == 'text' or coltype == 'number':
self.draw_cellentry(self.currentrow, self.currentcol)
return
def handle_left_click(self, event):
"""Respond to a single press"""
#which row and column is the click inside?
self.clearSelected()
self.allrows = False
rowclicked = self.get_row_clicked(event)
colclicked = self.get_col_clicked(event)
if self.mode == 'formula':
self.handleFormulaClick(rowclicked, colclicked)
return
if hasattr(self, 'cellentry'):
self.cellentry.destroy()
#ensure popup menus are removed if present
if hasattr(self, 'rightmenu'):
self.rightmenu.destroy()
if hasattr(self.tablecolheader, 'rightmenu'):
self.tablecolheader.rightmenu.destroy()
if self.check_PageView(rowclicked) == 1:
return
self.startrow = rowclicked
self.endrow = rowclicked
self.startcol = colclicked
self.endcol = colclicked
#reset multiple selection list
self.multiplerowlist=[]
self.multiplerowlist.append(rowclicked)
if 0 <= rowclicked < self.rows and 0 <= colclicked < self.cols:
self.setSelectedRow(rowclicked)
self.setSelectedCol(colclicked)
self.draw_selected_rect(self.currentrow, self.currentcol)
self.drawSelectedRow()
self.tablerowheader.drawSelectedRows(rowclicked)
coltype = self.model.getColumnType(colclicked)
if coltype == 'text' or coltype == 'number':
self.draw_cellentry(rowclicked, colclicked)
return
def handle_left_release(self,event):
self.endrow = self.get_row_clicked(event)
return
def handle_left_ctrl_click(self, event):
"""Handle ctrl clicks for multiple row selections"""
rowclicked = self.get_row_clicked(event)
colclicked = self.get_col_clicked(event)
if 0 <= rowclicked < self.rows and 0 <= colclicked < self.cols:
if rowclicked not in self.multiplerowlist:
self.multiplerowlist.append(rowclicked)
else:
self.multiplerowlist.remove(rowclicked)
self.drawMultipleRows(self.multiplerowlist)
if colclicked not in self.multiplecollist:
self.multiplecollist.append(colclicked)
#print self.multiplecollist
self.drawMultipleCells()
return
def handle_left_shift_click(self, event):
"""Handle shift click, for selecting multiple rows"""
#Has same effect as mouse drag, so just use same method
self.handle_mouse_drag(event)
return
def handle_mouse_drag(self, event):
"""Handle mouse moved with button held down, multiple selections"""
if hasattr(self, 'cellentry'):
self.cellentry.destroy()
rowover = self.get_row_clicked(event)
colover = self.get_col_clicked(event)
if colover == None or rowover == None:
return
if self.check_PageView(rowover) == 1:
return
if rowover >= self.rows or self.startrow > self.rows:
#print rowover
return
else:
self.endrow = rowover
#do columns
if colover > self.cols or self.startcol > self.cols:
return
else:
self.endcol = colover
if self.endcol < self.startcol:
self.multiplecollist=range(self.endcol, self.startcol+1)
else:
self.multiplecollist=range(self.startcol, self.endcol+1)
#print self.multiplecollist
#draw the selected rows
if self.endrow != self.startrow:
if self.endrow < self.startrow:
self.multiplerowlist=range(self.endrow, self.startrow+1)
else:
self.multiplerowlist=range(self.startrow, self.endrow+1)
self.drawMultipleRows(self.multiplerowlist)
self.tablerowheader.drawSelectedRows(self.multiplerowlist)
#draw selected cells outline using row and col lists
#print self.multiplerowlist
self.drawMultipleCells()
else:
self.multiplerowlist = []
self.multiplerowlist.append(self.currentrow)
if len(self.multiplecollist) >= 1:
self.drawMultipleCells()
self.delete('multiplesel')
#print self.multiplerowlist
return
def handle_arrow_keys(self, event):
"""Handle arrow keys press"""
#print event.keysym
row = self.get_row_clicked(event)
col = self.get_col_clicked(event)
x,y = self.getCanvasPos(self.currentrow, 0)
if x == None:
return
if event.keysym == 'Up':
if self.currentrow == 0:
return
else:
#self.yview('moveto', y)
#self.tablerowheader.yview('moveto', y)
self.currentrow = self.currentrow -1
elif event.keysym == 'Down':
if self.currentrow >= self.rows-1:
return
else:
#self.yview('moveto', y)
#self.tablerowheader.yview('moveto', y)
self.currentrow = self.currentrow +1
elif event.keysym == 'Right' or event.keysym == 'Tab':
if self.currentcol >= self.cols-1:
if self.currentrow < self.rows-1: