154 lines
4.8 KiB
Python
154 lines
4.8 KiB
Python
# -*- coding: utf-8 -*-
|
|
# Relational
|
|
# Copyright (C) 2008 Salvo "LtWorf" Tomaselli
|
|
#
|
|
# Relational 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/>.
|
|
#
|
|
# author Salvo "LtWorf" Tomaselli <tiposchi@tiscali.it>
|
|
|
|
try:
|
|
from PyQt4 import QtCore, QtGui
|
|
except:
|
|
from PySide import QtCore, QtGui
|
|
|
|
import compatibility
|
|
from relational import relation
|
|
import rel_edit
|
|
|
|
|
|
class creatorForm(QtGui.QDialog):
|
|
def __init__(self,rel=None):
|
|
QtGui.QDialog.__init__(self)
|
|
|
|
self.setSizeGripEnabled(True)
|
|
self.result_relation=None
|
|
self.rel=rel
|
|
def setUi(self,ui):
|
|
self.ui=ui
|
|
self.table=self.ui.table
|
|
|
|
if self.rel==None:
|
|
self.setup_empty()
|
|
else:
|
|
self.setup_relation(self.rel)
|
|
def setup_relation(self,rel):
|
|
|
|
self.table.insertRow(0)
|
|
|
|
for i in rel.header.attributes:
|
|
item=QtGui.QTableWidgetItem()
|
|
item.setText(i)
|
|
self.table.insertColumn(self.table.columnCount())
|
|
self.table.setItem(0,self.table.columnCount()-1,item)
|
|
|
|
for i in rel.content:
|
|
self.table.insertRow(self.table.rowCount())
|
|
for j in range(len(i)):
|
|
item=QtGui.QTableWidgetItem()
|
|
item.setText(i[j])
|
|
self.table.setItem(self.table.rowCount()-1,j,item)
|
|
|
|
pass
|
|
def setup_empty(self):
|
|
self.table.insertColumn(0)
|
|
self.table.insertColumn(0)
|
|
self.table.insertRow(0)
|
|
self.table.insertRow(0)
|
|
|
|
i00=QtGui.QTableWidgetItem()
|
|
i01=QtGui.QTableWidgetItem()
|
|
i10=QtGui.QTableWidgetItem()
|
|
i11=QtGui.QTableWidgetItem()
|
|
i00.setText('Field name 1')
|
|
i01.setText('Field name 2')
|
|
i10.setText('Value 1')
|
|
i11.setText('Value 2')
|
|
|
|
self.table.setItem (0,0,i00)
|
|
self.table.setItem (0,1,i01)
|
|
self.table.setItem (1,0,i10)
|
|
self.table.setItem (1,1,i11)
|
|
def create_relation(self):
|
|
hlist=[]
|
|
|
|
for i in range(self.table.columnCount()):
|
|
hlist.append(compatibility.get_py_str(self.table.item(0,i).text()))
|
|
try:
|
|
header=relation.header(hlist)
|
|
except Exception, e:
|
|
QtGui.QMessageBox.information(None,QtGui.QApplication.translate("Form", "Error"),"%s\n%s" % (QtGui.QApplication.translate("Form", "Header error!"),e.__str__()) )
|
|
return None
|
|
r=relation.relation()
|
|
r.header=header
|
|
|
|
for i in range(1,self.table.rowCount()):
|
|
hlist=[]
|
|
for j in range(self.table.columnCount()):
|
|
try:
|
|
hlist.append(compatibility.get_py_str(self.table.item(i,j).text()))
|
|
except:
|
|
QtGui.QMessageBox.information(None,QtGui.QApplication.translate("Form", "Error"),QtGui.QApplication.translate("Form", "Unset value in %d,%d!"% (i+1,j+1)) )
|
|
return None
|
|
r.content.add(tuple(hlist))
|
|
return r
|
|
|
|
def accept(self):
|
|
|
|
self.result_relation=self.create_relation()
|
|
|
|
#Doesn't close the window in case of errors
|
|
if self.result_relation!=None:
|
|
QtGui.QDialog.accept(self)
|
|
pass
|
|
def reject(self):
|
|
self.result_relation=None
|
|
QtGui.QDialog.reject(self)
|
|
pass
|
|
def addColumn(self):
|
|
self.table.insertColumn(self.table.columnCount())
|
|
pass
|
|
def addRow(self):
|
|
self.table.insertRow(1)
|
|
pass
|
|
def deleteColumn(self):
|
|
if self.table.columnCount()>1:
|
|
self.table.removeColumn(self.table.currentColumn())
|
|
pass
|
|
def deleteRow(self):
|
|
if self.table.rowCount()>2:
|
|
self.table.removeRow(self.table.currentRow())
|
|
pass
|
|
|
|
|
|
def edit_relation(rel=None):
|
|
'''Opens the editor for the given relation and returns a _new_ relation
|
|
containing the new relation.
|
|
If the user cancels, it returns None'''
|
|
|
|
ui = rel_edit.Ui_Dialog()
|
|
Form = creatorForm(rel)
|
|
|
|
ui.setupUi(Form)
|
|
Form.setUi(ui)
|
|
|
|
Form.exec_()
|
|
return Form.result_relation
|
|
|
|
|
|
if __name__ == '__main__':
|
|
import sys
|
|
app = QtGui.QApplication(sys.argv)
|
|
r=relation.relation("/home/salvo/dev/relational/trunk/samples/people.csv")
|
|
print edit_relation(r)
|