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pyBusqueda.py
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pyBusqueda.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
import sys
from string import zfill
import gobject
import gtk
from time import *
#from ctb_rutinas import *
from gtk import TRUE, FALSE, Dialog
from calendar import *
import os
import dialogos
#~ from pyPgSQL.PgSQL import connect
class pyBusqueda(Dialog):
def __init__(self, window = None, cnx = None, sql = None, col_filtro = None, col_retorno = None, titulos = None, texto = None, splash = None):
if not cnx:
raise ValueError, "No hay conección"
return 0
else:
self.db_connection = cnx
if not sql:
raise ValueError, "No ha consulta"
return 0
else:
self.query_db = sql
if col_filtro is None:
raise ValueError, "No hay columna a filtrar"
return 0
else:
self.column_filter = col_filtro
if col_retorno is None:
raise ValueError, "No hay columna a retornar"
return 0
else:
self.return_column = col_retorno
if not titulos:
raise ValueError, "No hay títulos para las columnas"
else:
self.column_titles = titulos
self.len_retorno = len(titulos)
self.splash = splash
self.search_text = texto
self.store = None
self.padre = window
Dialog.__init__(self,
'Búsqueda',
window,
0,
(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL, gtk.STOCK_OK, gtk.RESPONSE_OK,))
self.set_default_size(700,400)
hbox = gtk.HBox(False, 8)
hbox.set_border_width(8)
self.vbox.pack_start(hbox, 1, 1, 0)
vbox1 = gtk.VBox(False)
vbox1.set_border_width(8)
hbox.pack_start(vbox1, False, False, 1)
stock = gtk.image_new_from_stock(gtk.STOCK_FIND, gtk.ICON_SIZE_DIALOG)
vbox1.pack_start(stock, False, False, 0)
vbox1.pack_start(
gtk.Label(
"""\n\nDígite el texto a buscar \nen la entrada de filtro\ny presione la tecla INTRO. \n\nLuego haga doble-click\nsobre el ítem deseado \no seleccionelo y\npresione el botón ACEPTAR"""), False, False, False)
vbox1 = gtk.VBox(False)
vbox1.set_border_width(8)
hbox.pack_start(vbox1, True, True, 1)
lbl = gtk.Label('Filtro:')
vbox1.pack_start(lbl, False, 0)
self.txtFiltro = gtk.Entry()
self.txtFiltro.add_events(gtk.gdk.KEY_PRESS_MASK)
self.txtFiltro.connect('key-press-event', self.on_entry_key_press_cb)
self.txtFiltro.connect('changed', self.on_entry_changed_cb)
vbox1.pack_start(self.txtFiltro, 0, 0)
s = gtk.ScrolledWindow()
self.list = gtk.TreeView()
n = 0
for i in titulos:
column = gtk.TreeViewColumn(i, gtk.CellRendererText(), text=n)
n = n + 1
self.list.append_column(column)
if self.search_text:
self.txtFiltro.set_text(texto)
self.list.connect("row-activated", self.on_tree_row_activated)
selection = self.list.get_selection()
selection.set_mode('single')
vbox1.pack_start(s, 1, 1)
s.add(self.list)
if self.query():
self.filter()
self.show_all()
def on_entry_key_press_cb(self, entry, event):
if event.keyval == gtk.keysyms.Return:
self.filter()
def on_entry_changed_cb(self, entry):
entry.set_text(entry.get_text().upper())
def query(self):
self.is_filter = False
try:
cursor = self.db_connection.cursor()
cursor.execute(self.query_db)
self.recordset = cursor.fetchall()
except:
mensaje = str(sys.exc_info()[1])
dialogos.error("No se pudo realizar la consulta a la base de datos", mensaje, parent=self.padre)
return False
if not self.recordset:
dialogos.error("No existen datos para la búsqueda", parent=self.padre)
return False
cols = len(self.recordset[0])
types = cols * [str]
self.store = gtk.ListStore(*types)
self.is_filter = True
return True
def filter(self):
if len(self.recordset) == 0:
return
cols = len(self.recordset[0])
types = cols * [gobject.TYPE_STRING]
store = gtk.ListStore(*types)
filtro = self.txtFiltro.get_text().upper()
if len(filtro) > 0:
for i in self.recordset:
a = [str(x) for x in i]
i = a
if i[self.column_filter].upper().find(filtro) > 0:
iter = store.append()
n = 0
for j in i:
desc = j
if isinstance(desc, bool):
if desc:
desc = "Sí"
else:
desc = "No"
desc = unicode(str(desc),'latin-1')
store.set(iter, n, desc.encode('utf-8'))
n = n + 1
else:
if i[self.column_filter].upper()[:len(filtro)] == filtro:
iter = store.append()
n = 0
for j in i:
desc = j
if isinstance(desc, bool):
if desc:
desc = "Sí"
else:
desc = "No"
desc = unicode(str(desc),'latin-1')
store.set(iter, n, desc.encode('utf-8'))
n = n + 1
else:
for i in self.recordset:
iter = store.append()
n = 0
for j in i:
desc = j
if isinstance(desc, bool):
if desc:
desc = "Sí"
else:
desc = "No"
desc = unicode(str(desc),'latin-1')
store.set(iter, n, desc.encode('utf-8'))
n = n + 1
self.list.set_model(store)
self.list.show()
def on_tree_row_activated(self, tree, row, column):
model, iter = self.list.get_selection().get_selected()
if not iter:
return 0
self.response(gtk.RESPONSE_OK)