Pyqt qsortfilterproxymodel (provided by netizens)

#! /Usr/bin/ENV Python

#-*-Coding: UTF-8 -*-

 

From pyqt4 import qtcore, qtgui

 

Class mywindow (qtgui. qmainwindow ):

Def _ init _ (self, parent = none ):

Super (mywindow, self). _ init _ (parent)

Self. centralwidget = qtgui. qwidget (Self)

Self. lineedit = qtgui. qlineedit (self. centralwidget)

Self. view = qtgui. qtableview (self. centralwidget)

Self. ComboBox = qtgui. qcombobox (self. centralwidget)

Self. Label = qtgui. qlabel (self. centralwidget)

 

Self. gridlayout = qtgui. qgridlayout (self. centralwidget)

Self. gridlayout. addwidget (self. lineedit, 0, 1, 1, 1)

Self. gridlayout. addwidget (self. View, 1, 0, 1, 3)

Self. gridlayout. addwidget (self. ComboBox, 0, 2, 1, 1)

Self. gridlayout. addwidget (self. Label, 0, 0, 1, 1)

 

Self. setcentralwidget (self. centralwidget)

Self. Label. settext ("RegEx filter ")

 

Self. Model = qtgui. qstandarditemmodel (Self)

 

For rowname in range (3) * 5:

Self. model. invisiblerootitem (). appendrow (

[Qtgui. qstandarditem ("Row {0} Col {1}". Format (rowname, column ))

For column in range (3)

]

)

 

Self. Proxy = qtgui. qsortfilterproxymodel (Self)

Self. Proxy. setsourcemodel (self. Model)

 

Self. View. setmodel (self. Proxy)

Self. ComboBox. additems (["column {0}". Format (x) for X in range (self. model. columncount ()])

 

Self. lineedit. textchanged. Connect (self. on_lineedit_textchanged)

Self. ComboBox. currentindexchanged. Connect (self. on_combobox_currentindexchanged)

 

Self. horizontalheader = self. View. horizontalheader ()

Self. horizontalheader. sectionclicked. Connect (self. on_view_horizontalheader_sectionclicked)

 

@ Qtcore. pyqtslot (INT)

Def on_view_horizontalheader_sectionclicked (self, logicalindex ):

Self. logicalindex = logicalindex

Self. menuvalues = qtgui. qmenu (Self)

Self. signalmapper = qtcore. qsignalmapper (Self)

 

Self. ComboBox. blocksignals (true)

Self. ComboBox. setcurrentindex (self. logicalindex)

Self. ComboBox. blocksignals (true)

 

Valuesunique = [self. model. Item (row, self. logicalindex). Text ()

For row in range (self. model. rowcount ())

]

 

Actionall = qtgui. qaction ("all", self)

Actionall. triggered. Connect (self. on_actionall_triggered)

Self. menuvalues. addaction (actionall)

Self. menuvalues. addseparator ()

 

For actionnumber, actionname in enumerate (sorted (List (SET (valuesunique )))):

Action = qtgui. qaction (actionname, self)

Self. signalmapper. setmapping (action, actionnumber)

Action. triggered. Connect (self. signalmapper. map)

Self. menuvalues. addaction (Action)

 

Self. signalmapper. mapped. Connect (self. on_signalmapper_mapped)

 

Headerpos = self. View. maptoglobal (self. horizontalheader. pos ())

 

Posy = headerpos. Y () + self. horizontalheader. Height ()

Posx = headerpos. X () + self. horizontalheader. sectionposition (self. logicalindex)

 

Self.menuvalues.exe C _ (qtcore. qpoint (posx, Posy ))

 

@ Qtcore. pyqtslot ()

Def on_actionall_triggered (Self ):

Filtercolumn = self. logicalindex

Filterstring = qtcore. qregexp ("",

Qtcore. QT. caseinsensitive,

Qtcore. qregexp. Regexp

)

 

Self. Proxy. setfilterregexp (filterstring)

Self. Proxy. setfilterkeycolumn (filtercolumn)

 

@ Qtcore. pyqtslot (INT)

Def on_signalmapper_mapped (self, I ):

Stringaction = self. signalmapper. Mapping (I). Text ()

Filtercolumn = self. logicalindex

Filterstring = qtcore. qregexp (stringaction,

Qtcore. QT. casesensitive,

Qtcore. qregexp. fixedstring

)

 

Self. Proxy. setfilterregexp (filterstring)

Self. Proxy. setfilterkeycolumn (filtercolumn)

 

@ Qtcore. pyqtslot (STR)

Def on_lineedit_textchanged (self, text ):

Search = qtcore. qregexp (text,

Qtcore. QT. caseinsensitive,

Qtcore. qregexp. Regexp

)

 

Self. Proxy. setfilterregexp (Search)

 

@ Qtcore. pyqtslot (INT)

Def on_combobox_currentindexchanged (self, index ):

Self. Proxy. setfilterkeycolumn (INDEX)

 

 

If _ name _ = "_ main __":

Import sys

 

APP = qtgui. qapplication (SYS. argv)

Main = mywindow ()

Main. Show ()

Main. Resize (400,600)

Sys.exit(app.exe C _())

:

Pyqt qsortfilterproxymodel (provided by netizens)