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app.py
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app.py
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#!/usr/bin/env python
import sys
from PyQt4 import QtCore, QtGui
from PyQt4.QtGui import QMessageBox, QTreeWidgetItem, QDesktopWidget
from PyQt4.QtSql import QSqlDatabase, QSqlTableModel
from UI import Ui_MainWindow
from UI2 import Ui_Dialog
from UI3 import Ui_Dialog2
import sqlite3
import single_query, multi_query, single_reverse_query, multi_reverse_query, end_reverse_query
import os
import some_functions
class second(QtGui.QDialog):
def __init__(self, parent=None):
QtGui.QWidget.__init__(self, parent)
self.ui = Ui_Dialog()
self.ui.setupUi(self)
QtCore.QObject.connect(self.ui.pushButton, QtCore.SIGNAL("clicked()"), self.bye)
QtCore.QObject.connect(self.ui.pushButton_2, QtCore.SIGNAL("clicked()"), self.add)
self.CX = sqlite3.connect("data.db")
self.CU = self.CX.cursor()
def add(self):
code = self.ui.lineEdit.text()
name = self.ui.lineEdit_2.text()
isProduct = self.ui.checkBox.isChecked()
self.CU.execute("select * from material where code = '"+str(code)+"'")
ans = self.CU.fetchmany(1)
if len(ans) > 0:
QMessageBox.warning(self, "Wrong", 'Code Name has already exist!')
else:
self.CU.execute("insert into material values(?,?,?,?)",(None, str(code), str(name), isProduct))
self.CX.commit()
myapp.update_memory()
myapp.update_tree()
self.close()
def bye(self):
self.close()
class third(QtGui.QDialog):
def __init__(self, parent=None):
QtGui.QWidget.__init__(self, parent)
self.ui = Ui_Dialog2()
self.ui.setupUi(self)
QtCore.QObject.connect(self.ui.pushButton, QtCore.SIGNAL("clicked()"), self.bye)
QtCore.QObject.connect(self.ui.pushButton_2, QtCore.SIGNAL("clicked()"), self.add)
self.CX = sqlite3.connect("data.db")
self.CU = self.CX.cursor()
for i in myapp.MATERIAL:
self.ui.comboBox.addItem(str(i[1]))
self.ui.comboBox_2.addItem(str(i[1]))
def add(self):
if self.ui.lineEdit.text() != '':
fatherID = myapp.MATERIAL_code_id[str(self.ui.comboBox.currentText())]
sonID = myapp.MATERIAL_code_id[str(self.ui.comboBox_2.currentText())]
ratios = int(self.ui.lineEdit.text())
self.CU.execute("select * from relation where father = '"+str(fatherID)+ \
"' and son = '"+str(sonID)+"'")
ans = self.CU.fetchmany(1)
if len(ans)==0:
self.CU.execute("insert into relation values(?,?,?,?)",(None, fatherID, sonID, ratios))
self.CX.commit()
myapp.update_memory()
myapp.update_tree()
self.close()
else:
QMessageBox.warning(self, "TABLE relation", 'Has already existed!')
else:
QMessageBox.warning(self, "TABLE relation", 'ratio is empty!')
def bye(self):
self.close()
class first(QtGui.QMainWindow):
#update map [database -> memory]
def update_memory(self):
self.CU.execute("select * from material")
self.MATERIAL = self.CU.fetchall()
self.MATERIAL_id_code = {}
self.MATERIAL_code_id = {}
self.PRODUCT = []
for i in self.MATERIAL:
self.MATERIAL_id_code[i[0]] = str(i[1])
self.MATERIAL_code_id[str(i[1])] = i[0]
if i[3]==True:
self.PRODUCT.append(i[1])
self.CU.execute("select * from relation")
self.RELATION = self.CU.fetchall()
#update treeWdigets
def update_tree(self):
self.ui.treeWidget.clear()
self.ui.treeWidget_2.clear()
self.tree1Item = []
self.tree2Item = {}
for i in self.MATERIAL:
self.tree1Item.append(QTreeWidgetItem(self.tree1))
self.tree1Item[-1].setText(0, str(i[1]))
self.tree1Item[-1].setText(1, str(i[2]))
if i[3]==1:
self.tree1Item[-1].setText(2, 'True')
for i in self.RELATION:
fatherID = i[1]
fatherCode = self.MATERIAL_id_code[fatherID]
sonID = i[2]
sonCode = self.MATERIAL_id_code[sonID]
ratio = i[3]
if fatherID not in self.tree2Item:
self.tree2Item[fatherID] = QTreeWidgetItem(self.tree2)
self.tree2Item[fatherID].setText(0, fatherCode)
if some_functions.return_Table_Column_Value('material', 'id', str(some_functions.code_to_id(fatherCode)))[0][3]==True:
self.tree2Item[fatherID].setText(2, fatherCode)
key = (fatherID, sonID)
if key not in self.tree2Item:
self.tree2Item[key] = QTreeWidgetItem(self.tree2Item[fatherID])
self.tree2Item[key].setText(0, sonCode)
self.tree2Item[key].setText(1, str(ratio))
def MoveToScreenCenter(self):
screen = QDesktopWidget().screenGeometry()
mysize = self.geometry()
hpos = ( screen.width() - mysize.width() ) / 2
vpos = ( screen.height() - mysize.height() ) / 2
self.move(hpos, vpos)
def __init__(self, parent=None):
QtGui.QWidget.__init__(self, parent)
self.ui = Ui_MainWindow()
self.ui.setupUi(self)
self.MoveToScreenCenter()
#-stable---------------------------------------------------------------------------
self.currentDIR = os.path.dirname(os.path.realpath(__file__))
self.db = QSqlDatabase.addDatabase("QSQLITE")
self.db.setDatabaseName(os.path.join(self.currentDIR, "data.db"))
if self.db.open():
print "Open data.db successfully"
else:
print "Could not open data.db"
self.CX = sqlite3.connect("data.db")
self.CU = self.CX.cursor()
self.tree1 = self.ui.treeWidget
self.tree1.setColumnCount(3)
self.tree1.setHeaderLabels(['Code','Name','IsProduct'])
self.tree2 = self.ui.treeWidget_2
self.tree2.setColumnCount(2)
self.tree2.setHeaderLabels(['Code', 'Ratio', 'Product'])
#----------------------------------------------------------------------------
self.update_memory()
self.update_tree()
QtCore.QObject.connect(self.ui.pushButton_2, QtCore.SIGNAL("clicked()"), self.deleteMaterial)
QtCore.QObject.connect(self.ui.pushButton_4, QtCore.SIGNAL("clicked()"), self.deleteRelation)
QtCore.QObject.connect(self.ui.pushButton, QtCore.SIGNAL("clicked()"), self.addMaterial)
QtCore.QObject.connect(self.ui.pushButton_3, QtCore.SIGNAL("clicked()"), self.addRelation)
QtCore.QObject.connect(self.ui.pushButton_5, QtCore.SIGNAL("clicked()"), self.singleQuery)
QtCore.QObject.connect(self.ui.pushButton_6, QtCore.SIGNAL("clicked()"), self.multiQuery)
QtCore.QObject.connect(self.ui.pushButton_7, QtCore.SIGNAL("clicked()"), self.singleReverseQuery)
QtCore.QObject.connect(self.ui.pushButton_8, QtCore.SIGNAL("clicked()"), self.multiReverseQuery)
QtCore.QObject.connect(self.ui.pushButton_9, QtCore.SIGNAL("clicked()"), self.endReverseQuery)
def singleQuery(self):
code = str(self.ui.lineEdit.text())
self.CU.execute("select * from material where code = '"+code+"'")
ans = self.CU.fetchmany(1)
if len(ans) > 0:
single_query.SingleQuery().go(code, self.MATERIAL, self.RELATION, self.PRODUCT, \
self.MATERIAL_id_code, self.MATERIAL_code_id)
QMessageBox.warning(self, "single query", 'EXCEL generated successfully')
else:
QMessageBox.warning(self, "single query", 'Please select an existed material code!')
def multiQuery(self):
code = str(self.ui.lineEdit.text())
self.CU.execute("select * from material where code = '"+code+"'")
ans = self.CU.fetchmany(1)
if len(ans) > 0:
multi_query.MultiQuery().go(code, self.MATERIAL, self.RELATION, self.PRODUCT, \
self.MATERIAL_id_code, self.MATERIAL_code_id)
QMessageBox.warning(self, "multi query", 'EXCEL generated successfully')
else:
QMessageBox.warning(self, "multi query", 'Please select an existed material code!')
def singleReverseQuery(self):
code = str(self.ui.lineEdit.text())
self.CU.execute("select * from material where code = '"+code+"'")
ans = self.CU.fetchmany(1)
if len(ans) > 0:
single_reverse_query.SingleReverseQuery().go(code, self.MATERIAL, self.RELATION, self.PRODUCT, \
self.MATERIAL_id_code, self.MATERIAL_code_id)
QMessageBox.warning(self, "single reverse query", 'EXCEL generated successfully')
else:
QMessageBox.warning(self, "single reverse query", 'Please select an existed material code!')
def multiReverseQuery(self):
code = str(self.ui.lineEdit.text())
self.CU.execute("select * from material where code = '"+code+"'")
ans = self.CU.fetchmany(1)
if len(ans) > 0:
multi_reverse_query.MultiReverseQuery().go(code, self.MATERIAL, self.RELATION, self.PRODUCT, \
self.MATERIAL_id_code, self.MATERIAL_code_id)
QMessageBox.warning(self, "multi reverse query", 'EXCEL generated successfully')
else:
QMessageBox.warning(self, "multi reverse query", 'Please select an existed material code!')
def endReverseQuery(self):
code = str(self.ui.lineEdit.text())
self.CU.execute("select * from material where code = '"+code+"'")
ans = self.CU.fetchmany(1)
if len(ans) > 0:
end_reverse_query.EndReverseQuery().go(code, self.MATERIAL, self.RELATION, self.PRODUCT, \
self.MATERIAL_id_code, self.MATERIAL_code_id)
QMessageBox.warning(self, "end reverse query", 'EXCEL generated successfully')
else:
QMessageBox.warning(self, "end reverse query", 'Please select an existed material code!')
def addMaterial(self):
add1 = second()
add1.exec_()
def addRelation(self):
add2 = third()
add2.exec_()
def deleteMaterial(self):
selections = self.tree1.selectedItems()
if len(selections) > 0:
Code = str(selections[0].text(0))
reply = QMessageBox.question(self, "TABLE material", "Are you sure to delete?", QMessageBox.Yes|QMessageBox.No)
if reply==QMessageBox.Yes:
self.CU.execute("select * from relation where father = "+str(self.MATERIAL_code_id[Code])+\
" or son = "+str(self.MATERIAL_code_id[Code]))
ans = self.CU.fetchmany(1)
if len(ans) > 0:
QMessageBox.warning(self, "ERROR", 'Please first clean TABLE relation!')
else:
self.CU.execute("delete from material where code = '"+Code+"'")
self.CX.commit()
self.update_memory()
self.update_tree()
def deleteRelation(self):
selections = self.tree2.selectedItems()
if len(selections) > 0:
ratio = str(selections[0].text(1))
if ratio != '':
reply = QMessageBox.question(self, "TABLE relation", "Are you sure to delete?", QMessageBox.Yes|QMessageBox.No)
if reply==QMessageBox.Yes:
parent = selections[0].parent()
fatherID = self.MATERIAL_code_id[str(parent.text(0))]
sonID = self.MATERIAL_code_id[str(selections[0].text(0))]
self.CU.execute("delete from relation where father = '"+str(fatherID)+"' and son = '"+str(sonID)+"'")
self.CX.commit()
self.update_memory()
self.update_tree()
else:
QMessageBox.warning(self, "ERROR", 'Please delete its children!')
if __name__=="__main__":
app = QtGui.QApplication(sys.argv)
myapp = first()
myapp.show()
sys.exit(app.exec_())