Hi,
Last two days I was studying Sub-classing GObject.
Can any one given a pointer, why
raise AttributeError, "Unknown property %s" % property.name
is not raising, when I tried to set wrong properties?
---- Glade file: valueSelection.glade starts here ----
<?xml version="1.0" standalone="no"?> <!--*- mode: xml -*-->
<!DOCTYPE glade-interface SYSTEM "http://glade.gnome.org/glade-2.0.dtd";>
<glade-interface>
<widget class="GtkDialog" id="dlgValueSelection">
<property name="width_request">350</property>
<property name="height_request">250</property>
<property name="title" translatable="yes">Choose Value</property>
<property name="type">GTK_WINDOW_TOPLEVEL</property>
<property name="window_position">GTK_WIN_POS_NONE</property>
<property name="modal">False</property>
<property name="resizable">True</property>
<property name="destroy_with_parent">False</property>
<property name="decorated">True</property>
<property name="skip_taskbar_hint">False</property>
<property name="skip_pager_hint">False</property>
<property name="type_hint">GDK_WINDOW_TYPE_HINT_DIALOG</property>
<property name="gravity">GDK_GRAVITY_NORTH_WEST</property>
<property name="has_separator">True</property>
<child internal-child="vbox">
<widget class="GtkVBox" id="dialog-vbox1">
<property name="visible">True</property>
<property name="homogeneous">False</property>
<property name="spacing">0</property>
<child internal-child="action_area">
<widget class="GtkHButtonBox" id="dialog-action_area1">
<property name="visible">True</property>
<property name="layout_style">GTK_BUTTONBOX_END</property>
<child>
<widget class="GtkButton" id="btnNew">
<property name="visible">True</property>
<property name="label">gtk-new</property>
<property name="use_stock">True</property>
<property name="relief">GTK_RELIEF_NORMAL</property>
<property name="focus_on_click">False</property>
<property name="response_id">-2</property>
</widget>
</child>
<child>
<widget class="GtkButton" id="btnCancel">
<property name="visible">True</property>
<property name="label">gtk-cancel</property>
<property name="use_stock">True</property>
<property name="relief">GTK_RELIEF_NORMAL</property>
<property name="focus_on_click">False</property>
<property name="response_id">-6</property>
</widget>
</child>
<child>
<widget class="GtkButton" id="btnOk">
<property name="visible">True</property>
<property name="can_default">True</property>
<property name="has_default">True</property>
<property name="can_focus">True</property>
<property name="label">gtk-ok</property>
<property name="use_stock">True</property>
<property name="relief">GTK_RELIEF_NORMAL</property>
<property name="focus_on_click">False</property>
<property name="response_id">-5</property>
</widget>
</child>
</widget>
<packing>
<property name="padding">0</property>
<property name="expand">False</property>
<property name="fill">True</property>
<property name="pack_type">GTK_PACK_END</property>
</packing>
</child>
<child>
<widget class="GtkScrolledWindow" id="scrScroll">
<property name="border_width">4</property>
<property name="visible">True</property>
<property name="hscrollbar_policy">GTK_POLICY_AUTOMATIC</property>
<property name="vscrollbar_policy">GTK_POLICY_AUTOMATIC</property>
<property name="shadow_type">GTK_SHADOW_IN</property>
<property name="window_placement">GTK_CORNER_TOP_LEFT</property>
<child>
<widget class="GtkTreeView" id="trvList">
<property name="visible">True</property>
<property name="headers_visible">True</property>
<property name="rules_hint">True</property>
<property name="reorderable">False</property>
<property name="enable_search">True</property>
</widget>
</child>
</widget>
<packing>
<property name="padding">0</property>
<property name="expand">True</property>
<property name="fill">True</property>
</packing>
</child>
</widget>
</child>
</widget>
</glade-interface>
---- Glade file: valueSelection.glade ends here ----
---- Python file: valueSelection.py starts here ----
#!/usr/bin/env python
"""ValueSelectionDialog widget, for easy choosing of values from a list."""
__all__ = ["EmptyError", "ValueSelectionDialog"]
__version__ = "0.1.0"
import sys
import os
import pygtk
pygtk.require("2.0")
import gobject
import gtk
import gtk.glade
class EmptyError(Exception):
"""Exception raised when the data in model is empty.
>>> raise EmptyError, "The model contains no data"
Traceback (most recent call last):
...
EmptyError: The model contains no data
"""
def __init__(self, msg):
self.msg = msg
Exception.__init__(self, msg, "")
pass
def __str__(self):
return self.msg
pass
class ValueSelectionDialog(gobject.GObject):
"""Implement ValueSelectionDialog
>>> ValueSelectionDialog().column_left_name
'Code'
>>> ValueSelectionDialog().column_right_name
'Name'
"""
__gproperties__ = {
"model" : (gobject.TYPE_OBJECT, "The model the widget",
"The model to set to the TreeView in ValueSelectionDialog",
gobject.PARAM_READWRITE),
"column-left" : (gobject.TYPE_INT, "The left column of model",
"The left column of model to display in TreeView",
0, 100, 1, gobject.PARAM_READWRITE),
"column-right" : (gobject.TYPE_INT, "The right column of model",
"The right column of model to display in TreeView",
0, 100, 1, gobject.PARAM_READWRITE),
"column-left-name" : (gobject.TYPE_STRING, "The name of left
column of model",
"The name of left column of model to
display in TreeView",
"Code", gobject.PARAM_READWRITE),
"column-right-name" : (gobject.TYPE_STRING, "The name of right
column of model",
"The name of right column of model to
display in TreeView",
"Name", gobject.PARAM_READWRITE),
"sensitive-new": (gobject.TYPE_BOOLEAN, "If true new button's
sensitive is true",
"If true new button's sensitive is true",
gtk.TRUE, gobject.PARAM_READWRITE)
}
__gsignals__ = {
"new-clicked": (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE,
(gobject.TYPE_STRING,)),
"cancel-clicked": (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE,
(gobject.TYPE_STRING,)),
"ok-clicked": (gobject.SIGNAL_RUN_LAST, gobject.TYPE_NONE,
(gobject.TYPE_STRING,))
}
def __init__(self, model=None, column_left=1, column_right=2,
column_left_name="Code", column_right_name="Name"):
gobject.GObject.__init__(self)
self.model = model
self.column_left = column_left
self.column_right = column_right
self.column_left_name = column_left_name
self.column_right_name = column_right_name
self.xml = gtk.glade.XML("valueSelection.glade")
self.topValueSelection = self.xml.get_widget("dlgValueSelection")
self.trvList = self.xml.get_widget("trvList")
self.btnNew = self.xml.get_widget("btnNew")
self.btnCancel = self.xml.get_widget("btnCancel")
self.btnOk = self.xml.get_widget("btnOk")
self.btnNew.connect("clicked", self.new_clicked)
self.btnCancel.connect("clicked", self.cancel_clicked)
self.btnOk.connect("clicked", self.ok_clicked)
self.trvList.set_model(model)
self.trvList.get_selection().connect("changed", self.list_changed)
self.trvList.connect("row_activated", self.list_activated)
self.cell_left = gtk.CellRendererText()
self.left_col = gtk.TreeViewColumn(column_left_name, self.cell_left)
self.left_col.set_attributes(self.cell_left, text=column_left)
self.left_col.set_sort_column_id(column_left)
self.trvList.append_column(self.left_col)
self.cell_right = gtk.CellRendererText()
self.right_col = gtk.TreeViewColumn(column_right_name, self.cell_right)
self.right_col.set_attributes(self.cell_right, text=column_right)
self.right_col.set_sort_column_id(column_right)
self.trvList.append_column(self.right_col)
self.trvList.set_search_column(column_left)
pass
def do_set_property(self, property, value):
if property.name == "model":
self.model = value
elif property.name == "column-left":
self.column_left = value
self.left_col.set_attributes(self.cell_left, text=value)
self.left_col.set_sort_column_id(value)
elif property.name == "column-right":
self.column_right = value
self.right_col.set_attributes(self.cell_right, text=value)
self.right_col.set_sort_column_id(value)
elif property.name == "column-left-name":
self.column_left_name = value
self.left_col.set_title(value)
elif property.name == "column-right-name":
self.column_right_name = value
self.right_col.set_title(value)
elif property.name == "sensitive-new":
self.sensitive_new = value
self.btnNew.set_sensitive(value)
else:
##FIXME: This never raise error? -- baiju
raise AttributeError, "Unknown property %s" % property.name
pass
def show(self):
self.topValueSelection.show_all()
pass
def hide(self):
self.topValueSelection.hide()
return gtk.TRUE
def list_changed(self, *args):
if self.trvList.get_selection().get_selected()[1]:
if self.trvList.get_cursor()[1]:
column = self.trvList.get_cursor()[1].get_sort_column_id()
self.trvList.set_search_column(column)
pass
pass
pass
def list_activated(self, *args):
self.btnOk.grab_focus()
pass
def new_clicked(self, *args):
print "new-clicked"
self.emit('new_clicked', self.get_property('model'))
pass
def cancel_clicked(self, *args):
print "cancel_clicked"
self.emit('cancel_clicked', self.get_property('model'))
pass
def ok_clicked(self, *args):
print "ok_clicked"
self.emit('ok_clicked', self.get_property('model'))
pass
pass
gobject.type_register(ValueSelectionDialog)
##Testing starts here
def test_function(*args):
print "test_function called", args
gtk.Dialog().show()
#c.hide()
pass
def _test():
import doctest, valueSelection
return doctest.testmod(valueSelection)
if __name__ == "__main__":
_test()
sto_data = gtk.ListStore(gobject.TYPE_INT64,
gobject.TYPE_STRING,
gobject.TYPE_STRING)
for i in "qwertyuiopasdfghjklzxcvbnm":
itr = sto_data.append()
sto_data.set(itr,
1, i,
2, "a"+i+"Test 1")
pass
## c = ValueSelectionDialog(sto_data)
## c.set_property("model", sto_data)
## c.set_property("column_left", 2)
## c.set_property("column_right", 1)
## c.set_property("column_left_name", "Cod_e")
## c.set_property("column_right_name", "Na_me")
## c.set_property("sensitive_new", gtk.TRUE)
c = ValueSelectionDialog(sto_data, 2, 1, "Code", "Name")
c.set_property("sensitive_new", gtk.FALSE)
c.connect("new_clicked", test_function)
c.connect("cancel_clicked", test_function)
c.connect("ok_clicked", test_function)
c.show()
gtk.main()
pass
---- Python file: valueSelection.py starts here ----
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