/usr/lib/python2.7/dist-packages/wxglade/widgets/notebook/notebook.py is in python-wxglade 0.6.8-2.2.
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wxNotebook objects
@copyright: 2002-2007 Alberto Griggio <agriggio@users.sourceforge.net>
@license: MIT (see license.txt) - THIS PROGRAM COMES WITH NO WARRANTY
"""
import wx
import common
import misc
from tree import Tree
from widget_properties import *
from edit_windows import ManagedBase
from edit_sizers.edit_sizers import Sizer, SizerSlot
from xml_parse import XmlParsingError
try:
from panel import EditPanel
_has_panel = True
except ImportError:
_has_panel = False
def _ugly_hack_for_win32_notebook_bug(notebook_widget):
"""\
The name should say all. The problem is hard to explain, so let me
just illustrate a way to reproduce the bug:
1. create a frame in wxGlade, add a notebook with two pages
2. put a button on the first page, and a text ctrl on the second one
3. save the app
4. exit wxGlade, and comment out the body of this function
5. restart wxGlade and load the previous app
6. Try to click on the button on the first page of the notebook, and see
what happens...
If you don't see what I mean, please drop me an email with your version of
Windows, Python and wxPython, because I really want to understand what's
going on...
So far I've not been able to reproduce the problem on a standalone minimal
app, but as time permits I'll try again... if you succeed, please let me
know.
"""
#print '_ugly_hack_for_win32_notebook_bug'
index_ok = notebook_widget.GetSelection()
for i in range(notebook_widget.GetPageCount()):
notebook_widget.GetPage(i).Hide()
notebook_widget.GetPage(index_ok).Show()
class NotebookVirtualSizer(Sizer):
'''\
"Virtual sizer" responsible for the management of the pages of a Notebook.
'''
def __init__(self, *args, **kwds):
Sizer.__init__(self, *args, **kwds)
self._itempos = 0
def set_item(self, pos, option=None, flag=None, border=None, size=None,
force_layout=True):
"""\
Updates the layout of the item at the given pos.
"""
if not self.window.widget:
return
pos -= 1
label, item = self.window.tabs[pos]
if not item or not item.widget:
return
if not (pos < self.window.widget.GetPageCount()):
self.window.widget.AddPage(item.widget, label)
elif self.window.widget.GetPage(pos) is not item.widget:
#self.window.widget.RemovePage(pos)
self.window.widget.DeletePage(pos)
self.window.widget.InsertPage(pos, item.widget, label)
self.window.widget.SetSelection(pos)
try:
wx.CallAfter(item.sel_marker.update)
except AttributeError, e:
#print e
pass
if self.window.sizer is not None:
self.window.sizer.set_item(
self.window.pos, size=self.window.widget.GetBestSize())
def add_item(self, item, pos=None, option=0, flag=0, border=0, size=None,
force_layout=True):
"""\
Adds an item to self.window.
"""
#print 'pos:', pos, 'item.name:', item.name
try:
self.window.tabs[pos - 1][1] = item
except IndexError:
raise XmlParsingError(
_('Notebook widget "%s" does not have any tabs!') % \
self.window.name
)
item._dont_destroy = True
def free_slot(self, pos, force_layout=True):
"""\
Replaces the element at pos with an empty slot
"""
if self.window._is_removing_pages or not self.window.widget:
return
slot = SizerSlot(self.window, self, pos)
#print 'free:', slot, slot.pos, pos
slot.show_widget(True)
pos = pos - 1
label, item = self.window.tabs[pos]
self.window.widget.RemovePage(pos)
self.window.widget.InsertPage(pos, slot.widget, label)
self.window.widget.SetSelection(pos)
def get_itempos(self, attrs):
"""\
Get position of sizer item (used in xml_parse)
"""
self._itempos += 1
return self._itempos
def is_virtual(self):
return True
# end of class NotebookVirtualSizer
class NotebookPagesProperty(GridProperty):
def write(self, outfile, tabs):
from xml.sax.saxutils import escape, quoteattr
write = outfile.write
write(' ' * tabs + '<tabs>\n')
tab_s = ' ' * (tabs + 1)
import widget_properties
value = self.get_value()
for i in range(len(value)):
val = value[i]
v = escape(widget_properties._encode(val[0]))
window = None
try:
t = self.owner.tabs[i]
if t[0] == val[0]:
window = t[1]
except:
pass
if window:
write('%s<tab window=%s>' % (tab_s, quoteattr(window.name)))
write(v)
write('</tab>\n')
write(' ' * tabs + '</tabs>\n')
# end of class NotebookPagesProperty
class TabsHandler:
def __init__(self, parent):
self.parent = parent
self.tab_names = []
self.curr_tab = []
def start_elem(self, name, attrs):
pass
def end_elem(self, name):
if name == 'tabs':
self.parent.tabs = [[misc.wxstr(name), None] for name in \
self.tab_names]
self.parent.properties['tabs'].set_value([[name] for name in \
self.tab_names])
return True
elif name == 'tab':
self.tab_names.append("".join(self.curr_tab))
self.curr_tab = []
return False
def char_data(self, data):
self.curr_tab.append(data)
# end of class TabsHandler
class EditNotebook(ManagedBase):
_custom_base_classes = True
notebook_number = 1
"""\
@cvar: Next free number for notebook names. The number is continuously.
Each notebook gets an own number. It's very useful for labeling
panes. Deleting notebooks won't decrease this number.
@see: L{self.next_notebook_name()}
@type: Integer
@note: Use only C{+=1} for increasing!
"""
pane_number = 1
"""\
@ivar: Free number for pane names. This number is is continuously.
Each pane get an own number. It's very useful for labelung. Deleting
oanes won't decrease this number.
@see: L{self.next_pane_name()}
@type: Integer
"""
events = ['EVT_NOTEBOOK_PAGE_CHANGED', 'EVT_NOTEBOOK_PAGE_CHANGING']
def __init__(self, name, parent, id, style, sizer, pos,
property_window, show=True):
"""\
Class to handle wxNotebook objects
"""
# create new and (still) unused notebook name
if not name:
name = self.next_notebook_name()
# Increase number of created notebooks
EditNotebook.notebook_number += 1
ManagedBase.__init__(self, name, 'wxNotebook', parent, id, sizer,
pos, property_window, show=show)
self.virtual_sizer = NotebookVirtualSizer(self)
self._is_removing_pages = False
self.style = style
self.tabs = [['tab1', None]] # list of pages of this notebook
# (actually a list of
# 2-list label, window)
self.access_functions['style'] = (self.get_tab_pos, self.set_tab_pos)
self.properties['style'] = HiddenProperty(
self,
'style',
label=_("style"),
)
self.access_functions['tabs'] = (self.get_tabs, self.set_tabs)
tab_cols = [('Tab label', GridProperty.STRING)]
self.properties['tabs'] = NotebookPagesProperty(
self,
'tabs',
None,
tab_cols,
label=_("tabs"),
can_remove_last=False,
)
del tab_cols
self.nb_sizer = None
self._create_slots = False
self.no_custom_class = False
self.access_functions['no_custom_class'] = (self.get_no_custom_class,
self.set_no_custom_class)
self.properties['no_custom_class'] = CheckBoxProperty(
self, 'no_custom_class',
label=_("Don't generate code for this custom class"))
# first pane should have number 1
self.pane_number = 1
def create_widget(self):
self.widget = wx.Notebook(
self.parent.widget,
self.id,
style=self.style,
)
def show_widget(self, yes):
ManagedBase.show_widget(self, yes)
if yes and wx.Platform in ('__WXMSW__', '__WXMAC__'):
wx.CallAfter(_ugly_hack_for_win32_notebook_bug, self.widget)
if self._create_slots:
self._create_slots = False
for i in range(len(self.tabs)):
if self.tabs[i][1] is None:
self.tabs = self.tabs[:i]
self.properties['tabs'].set_value(self.get_tabs())
def finish_widget_creation(self):
ManagedBase.finish_widget_creation(self)
# replace 'self' with 'self.nb_sizer' in 'self.sizer'
def create_properties(self):
ManagedBase.create_properties(self)
panel = wx.ScrolledWindow(
self.notebook,
wx.ID_ANY,
style=wx.TAB_TRAVERSAL,
)
self.properties['no_custom_class'].display(panel)
self.properties['tabs'].display(panel)
sizer = wx.BoxSizer(wx.VERTICAL)
sizer.Add(self.properties['no_custom_class'].panel, 0,
wx.ALL | wx.EXPAND, 3)
sizer.Add(self.properties['tabs'].panel, 1, wx.ALL | wx.EXPAND, 3)
panel.SetAutoLayout(True)
panel.SetSizer(sizer)
sizer.Fit(panel)
self.notebook.AddPage(panel, _('Widget'))
self.properties['tabs'].set_col_sizes([-1])
def on_set_focus(self, event):
self.show_properties()
event.Skip()
def _add_tab(self, window, pos):
if window is None:
window = SizerSlot(self, self.virtual_sizer, pos)
self.tabs[pos - 1][1] = window
else:
window._dont_destroy = True
node = Tree.Node(window)
window.node = node
common.app_tree.add(node, self.node)
if self.widget:
window.show_widget(True)
self.virtual_sizer.set_item(pos)
try:
wx.CallAfter(window.sel_marker.update)
except AttributeError, e:
#print e
pass
def get_tabs(self):
return [[n] for n, w in self.tabs]
def set_tabs(self, tabs):
delta = len(self.tabs) - len(tabs)
if delta > 0:
self._is_removing_pages = True
# we have to remove some pages
i = len(tabs)
if self.widget:
for n, window in self.tabs[i:]:
self.widget.RemovePage(i)
window.remove(False)
del self.tabs[i:]
if self.widget:
self.widget.SetSelection(0)
self._is_removing_pages = False
elif delta < 0:
# we have to add some pages
pos = len(self.tabs)
for i in range(-delta):
self.tabs.append(['', None])
pos += 1
if _has_panel:
window = EditPanel(
self.next_pane_name(),
self,
wx.ID_ANY,
self.virtual_sizer,
pos,
self.property_window,
)
self._add_tab(window, pos)
else:
self._add_tab(None, pos)
if self.widget:
self.widget.SetSelection(self.widget.GetPageCount() - 1)
# finally, we must update the labels of the tabs
for i in range(len(tabs)):
tt = misc.wxstr(tabs[i][0])
if self.widget:
self.widget.SetPageText(i, tt)
self.tabs[i][0] = tt
def delete(self):
if self.widget:
self.widget.DeleteAllPages()
ManagedBase.delete(self)
def get_property_handler(self, name):
if name == 'tabs':
return TabsHandler(self)
return ManagedBase.get_property_handler(self, name)
def find_page(self, page):
"""\
returns the index of the given page in the notebook, or -1 if the page
cannot be found
"""
if not self.widget:
return -1
for i in range(len(self.tabs)):
if self.tabs[i][1] is page:
if i < self.widget.GetPageCount():
return i
else:
return -1
return -1
def get_tab_pos(self):
styles = {wx.NB_LEFT: 'wxNB_LEFT', wx.NB_RIGHT: 'wxNB_RIGHT',
wx.NB_BOTTOM: 'wxNB_BOTTOM'}
return styles.get(self.style, '0')
def set_tab_pos(self, value):
styles = {'wxNB_LEFT': wx.NB_LEFT, 'wxNB_RIGHT': wx.NB_RIGHT,
'wxNB_BOTTOM': wx.NB_BOTTOM}
self.style = styles.get(value, 0)
def get_no_custom_class(self):
return self.no_custom_class
def set_no_custom_class(self, value):
self.no_custom_class = bool(int(value))
def next_notebook_name(self):
"""\
Return new and (still) unused notebook name
@see: L{self.notebook_number}
"""
while True:
name = 'notebook_%d' % EditNotebook.notebook_number
if not common.app_tree.has_name(name):
break
EditNotebook.notebook_number += 1
return name
def next_pane_name(self):
"""\
Return new and (still) unused pane name
@see: L{self.pane_number}
"""
while True:
pane_name = "%s_pane_%d" % (self.name, self.pane_number)
self.pane_number += 1
if not common.app_tree.has_name(pane_name):
break
return pane_name
# end of class EditNotebook
def builder(parent, sizer, pos, number=[1]):
"""\
factory function for EditNotebook objects.
"""
class Dialog(wx.Dialog):
def __init__(self):
wx.Dialog.__init__(
self,
None,
wx.ID_ANY,
_('Select tab placement'),
)
self.styles = [0, wx.NB_BOTTOM, wx.NB_LEFT, wx.NB_RIGHT]
self.style = 0
prop = RadioProperty(
self,
'tab_placement',
self,
[_('Top'), _('Bottom'), _('Left'), _('Right')],
columns=2,
label=_('tab_placement'),
)
szr = wx.BoxSizer(wx.VERTICAL)
szr.Add(prop.panel, 0, wx.ALL | wx.EXPAND, 10)
btn = wx.Button(self, wx.ID_OK, _('OK'))
btn.SetDefault()
szr.Add(btn, 0, wx.BOTTOM | wx.ALIGN_CENTER, 10)
self.SetAutoLayout(True)
self.SetSizer(szr)
szr.Fit(self)
self.CenterOnScreen()
def __getitem__(self, value):
def set_style(s):
self.style = self.styles[s]
return (lambda: self.style, set_style)
# end of inner class
dialog = Dialog()
dialog.ShowModal()
window = EditNotebook(None, parent, wx.ID_ANY, dialog.style,
sizer, pos, common.property_panel, show=False)
if _has_panel:
pane1 = EditPanel(
window.next_pane_name(),
window,
wx.ID_ANY,
window.virtual_sizer,
1,
common.property_panel,
)
node = Tree.Node(window)
window.node = node
window.virtual_sizer.node = node
window.set_option(1)
window.set_flag("wxEXPAND")
window.show_widget(True)
common.app_tree.insert(node, sizer.node, pos - 1)
if _has_panel:
window._add_tab(pane1, 1)
sizer.set_item(window.pos, 1, wx.EXPAND)
def xml_builder(attrs, parent, sizer, sizeritem, pos=None):
"""\
factory to build EditNotebook objects from an xml file
"""
try:
name = attrs['name']
except KeyError:
raise XmlParsingError(_("'name' attribute missing"))
if not sizer or not sizeritem:
raise XmlParsingError(_("sizer or sizeritem object cannot be None"))
window = EditNotebook(name, parent, wx.ID_ANY, 0, sizer, pos,
common.property_panel, True)
window._create_slots = True
sizer.set_item(window.pos, option=sizeritem.option, flag=sizeritem.flag,
border=sizeritem.border)
node = Tree.Node(window)
window.node = node
if pos is None:
common.app_tree.add(node, sizer.node)
else:
common.app_tree.insert(node, sizer.node, pos - 1)
return window
def initialize():
"""\
initialization function for the module: returns a wxBitmapButton to be
added to the main palette.
"""
common.widgets['EditNotebook'] = builder
common.widgets_from_xml['EditNotebook'] = xml_builder
return common.make_object_button('EditNotebook', 'icons/notebook.xpm')
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