2007-01-04 Zsolt Foldvari <zfoldvar@users.sourceforge.net>
* src/GrampsWidgets.py: Add ValidatableMaskedEntry what extends the MaskedEntry with validation feature * TODO: kiwi entry removed svn: r7868
This commit is contained in:
Zsolt Foldvari
parent
020cf7b73d
commit
46b54f9cf4
@ -1,3 +1,8 @@
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2007-01-04 Zsolt Foldvari <zfoldvar@users.sourceforge.net>
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* src/GrampsWidgets.py: Add ValidatableMaskedEntry what extends
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the MaskedEntry with validation feature
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* TODO: kiwi entry removed
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2007-01-03 Don Allingham <don@gramps-project.org>
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* src/DataViews/_EventView.py: lint fixes
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* src/DataViews/_PersonView.py: lint fixes
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@ -12,12 +12,6 @@
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necessarily need multiple notes. Determine which ones should and
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shouldn't.
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* Adapt the kiwi-entry widget from the Kiwi project so that GRAMPS can
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use it. It looks like it can be broken out from the core of the
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Kiwi project. This would give us filtered input, icons in the entry,
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and shading of the box. All of which would be good to help restrict
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input to valid input.
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* Date calculator. See
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http://sourceforge.net/mailarchive/forum.php?thread_id=3252078&forum_id=1993
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@ -24,6 +24,7 @@ import cgi
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import os
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import cPickle as pickle
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from gettext import gettext as _
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import string
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#-------------------------------------------------------------------------
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#
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@ -652,19 +653,142 @@ class PlaceEntry:
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self.tooltips.set_tip(self.share, _('Select an existing place'))
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self.tooltips.set_tip(self.add_del, _('Add a new place'))
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##============================================================================##
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#============================================================================
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#
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# MaskedEntry and ValidatableMaskedEntry copied and merged from the Kiwi
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# project's ValidatableProxyWidgetMixin, KiwiEntry and ProxyEntry.
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#
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# http://www.async.com.br/projects/kiwi
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#
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#============================================================================
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DEFAULT_DELAY = 500
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BORDER_WIDTH = 4
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class MaskError(Exception):
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pass
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class ValidationError(Exception):
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pass
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class FadeOut(gobject.GObject):
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"""I am a helper class to draw the fading effect of the background
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Call my methods start() and stop() to control the fading.
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"""
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__gsignals__ = {
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'done': (gobject.SIGNAL_RUN_FIRST,
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gobject.TYPE_NONE,
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()),
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'color-changed': (gobject.SIGNAL_RUN_FIRST,
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gobject.TYPE_NONE,
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(gtk.gdk.Color,)),
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}
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# How long time it'll take before we start (in ms)
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COMPLAIN_DELAY = 500
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MERGE_COLORS_DELAY = 100
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ERROR_COLOR = "#ffd5d5"
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def __init__(self, widget):
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gobject.GObject.__init__(self)
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self._widget = widget
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self._start_color = None
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self._background_timeout_id = -1
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self._countdown_timeout_id = -1
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##self._log = Logger('fade')
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self._done = False
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def _merge_colors(self, src_color, dst_color, steps=10):
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"""
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Change the background of widget from src_color to dst_color
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in the number of steps specified
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"""
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##self._log.debug('_merge_colors: %s -> %s' % (src_color, dst_color))
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rs, gs, bs = src_color.red, src_color.green, src_color.blue
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rd, gd, bd = dst_color.red, dst_color.green, dst_color.blue
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rinc = (rd - rs) / float(steps)
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ginc = (gd - gs) / float(steps)
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binc = (bd - bs) / float(steps)
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for dummy in xrange(steps):
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rs += rinc
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gs += ginc
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bs += binc
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col = gtk.gdk.color_parse("#%02X%02X%02X" % (int(rs) >> 8,
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int(gs) >> 8,
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int(bs) >> 8))
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self.emit('color-changed', col)
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yield True
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self.emit('done')
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self._background_timeout_id = -1
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self._done = True
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yield False
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def _start_merging(self):
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# If we changed during the delay
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if self._background_timeout_id != -1:
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##self._log.debug('_start_merging: Already running')
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return
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##self._log.debug('_start_merging: Starting')
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func = self._merge_colors(self._start_color,
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gtk.gdk.color_parse(FadeOut.ERROR_COLOR)).next
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self._background_timeout_id = (
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gobject.timeout_add(FadeOut.MERGE_COLORS_DELAY, func))
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self._countdown_timeout_id = -1
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def start(self, color):
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"""Schedules a start of the countdown.
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@param color: initial background color
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@returns: True if we could start, False if was already in progress
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"""
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if self._background_timeout_id != -1:
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##self._log.debug('start: Background change already running')
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return False
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if self._countdown_timeout_id != -1:
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##self._log.debug('start: Countdown already running')
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return False
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if self._done:
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##self._log.debug('start: Not running, already set')
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return False
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self._start_color = color
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##self._log.debug('start: Scheduling')
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self._countdown_timeout_id = gobject.timeout_add(
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FadeOut.COMPLAIN_DELAY, self._start_merging)
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return True
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def stop(self):
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"""Stops the fadeout and restores the background color"""
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##self._log.debug('Stopping')
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if self._background_timeout_id != -1:
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gobject.source_remove(self._background_timeout_id)
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self._background_timeout_id = -1
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if self._countdown_timeout_id != -1:
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gobject.source_remove(self._countdown_timeout_id)
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self._countdown_timeout_id = -1
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self._widget.update_background(self._start_color)
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self._done = False
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if gtk.pygtk_version < (2,8,0):
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gobject.type_register(FadeOut)
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class Tooltip(gtk.Window):
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'''Tooltip for the Icon in the MaskedEntry'''
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DEFAULT_DELAY = 500
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BORDER_WIDTH = 4
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def __init__(self, widget):
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gtk.Window.__init__(self, gtk.WINDOW_POPUP)
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# from gtktooltips.c:gtk_tooltips_force_window
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self.set_app_paintable(True)
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self.set_resizable(False)
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self.set_name("gtk-tooltips")
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self.set_border_width(BORDER_WIDTH)
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self.set_border_width(Tooltip.BORDER_WIDTH)
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self.connect('expose-event', self._on__expose_event)
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self._label = gtk.Label()
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@ -684,7 +808,7 @@ class Tooltip(gtk.Window):
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y += widget.allocation.y
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x = screen.get_root_window().get_pointer()[0]
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x -= (w / 2 + BORDER_WIDTH)
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x -= (w / 2 + Tooltip.BORDER_WIDTH)
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pointer_screen, px, py, _ = screen.get_display().get_pointer()
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if pointer_screen != screen:
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@ -699,11 +823,11 @@ class Tooltip(gtk.Window):
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elif x < monitor.x:
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x = monitor.x
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if ((y + h + widget.allocation.height + BORDER_WIDTH) >
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if ((y + h + widget.allocation.height + Tooltip.BORDER_WIDTH) >
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monitor.y + monitor.height):
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y = y - h - BORDER_WIDTH
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y = y - h - Tooltip.BORDER_WIDTH
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else:
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y = y + widget.allocation.height + BORDER_WIDTH
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y = y + widget.allocation.height + Tooltip.BORDER_WIDTH
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return x, y
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@ -739,13 +863,10 @@ class Tooltip(gtk.Window):
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if self._show_timeout_id != -1:
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return
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self._show_timeout_id = gobject.timeout_add(DEFAULT_DELAY,
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self._show_timeout_id = gobject.timeout_add(Tooltip.DEFAULT_DELAY,
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self._real_display,
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widget)
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##============================================================================##
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##============================================================================##
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# This is tricky and contains quite a few hacks:
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# An entry contains 2 GdkWindows, one for the background and one for
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# the text area. The normal one, on which the (normally white) background
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@ -995,14 +1116,10 @@ class IconEntry(object):
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else:
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self._pos = gtk.POS_RIGHT
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##============================================================================##
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import string
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HAVE_2_6 = gtk.pygtk_version[:2] == (2, 6)
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(DIRECTION_LEFT, DIRECTION_RIGHT) = (1, -1)
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(INPUT_ASCII_LETTER,
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INPUT_ALPHA,
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INPUT_ALPHANUMERIC,
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@ -1028,32 +1145,19 @@ INPUT_CHAR_MAP = {
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INPUT_DIGIT: unicode.isdigit,
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}
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(ENTRY_MODE_UNKNOWN,
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ENTRY_MODE_TEXT,
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ENTRY_MODE_DATA) = range(3)
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##def type_register(gtype):
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##"""Register the type, but only if it's not already registered
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##@param gtype: the class to register
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##"""
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### copied from gobjectmodule.c:_wrap_type_register
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##if (getattr(gtype, '__gtype__', None) !=
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##getattr(gtype.__base__, '__gtype__', None)):
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##return False
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##gobject.type_register(gtype)
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##return True
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(COL_TEXT,
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COL_OBJECT) = range(2)
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class MaskedEntry(gtk.Entry):
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"""
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The MaskedEntry is a Entry subclass with the following additions:
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- Mask, force the input to meet certain requirements
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- IconEntry, allows you to have an icon inside the entry
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"""
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__gtype_name__ = 'MaskedEntry'
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def __init__(self):
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##self._completion = None
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gtk.Entry.__init__(self)
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self.connect('insert-text', self._on_insert_text)
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@ -1069,10 +1173,9 @@ class MaskedEntry(gtk.Entry):
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self.connect('notify::cursor-position',
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self._on_notify_cursor_position)
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self._completion = None
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self._exact_completion = False
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self._block_changed = False
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self._current_object = None
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##self._mode = ENTRY_MODE_TEXT
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self._icon = IconEntry(self)
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# List of validators
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@ -1124,18 +1227,6 @@ class MaskedEntry(gtk.Entry):
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self._icon.deconstruct()
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gtk.Entry.do_unrealize(self)
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# Public API
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def set_text(self, text):
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completion = self.get_completion()
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##if isinstance(completion, KiwiEntryCompletion):
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##self.handler_block(completion.changed_id)
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gtk.Entry.set_text(self, text)
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##if isinstance(completion, KiwiEntryCompletion):
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##self.handler_unblock(completion.changed_id)
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# Mask & Fields
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def set_mask(self, mask):
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@ -1201,7 +1292,9 @@ class MaskedEntry(gtk.Entry):
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return self._mask
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def get_field_text(self, field):
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assert self._mask
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if not self._mask:
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raise MaskError("a mask must be set before calling get_field_text")
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#assert self._mask
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text = self.get_text()
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start, end = self._mask_fields[field]
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return text[start: end].strip()
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@ -1218,7 +1311,9 @@ class MaskedEntry(gtk.Entry):
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@returns: fields
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@rtype: list of strings
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"""
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assert self._mask
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if not self._mask:
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raise MaskError("a mask must be set before calling get_fields")
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#assert self._mask
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fields = []
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@ -1384,6 +1479,23 @@ class MaskedEntry(gtk.Entry):
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return None
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def set_exact_completion(self, value):
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"""
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Enable exact entry completion.
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Exact means it needs to start with the value typed
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and the case needs to be correct.
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@param value: enable exact completion
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@type value: boolean
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"""
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if value:
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match_func = self._completion_exact_match_func
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else:
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match_func = self._completion_normal_match_func
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completion = self._get_completion()
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completion.set_match_func(match_func)
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def is_empty(self):
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text = self.get_text()
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if self._mask:
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@ -1427,6 +1539,47 @@ class MaskedEntry(gtk.Entry):
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return True
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def _get_completion(self):
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# Check so we have completion enabled, not this does not
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# depend on the property, the user can manually override it,
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# as long as there is a completion object set
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completion = self.get_completion()
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if completion:
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return completion
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completion = gtk.EntryCompletion()
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self.set_completion(completion)
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return completion
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def get_completion(self):
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return self._completion
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def set_completion(self, completion):
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gtk.Entry.set_completion(self, completion)
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# FIXME objects not supported yet, should it be at all?
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#completion.set_model(gtk.ListStore(str, object))
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completion.set_model(gtk.ListStore(str))
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completion.set_text_column(0)
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self._completion = gtk.Entry.get_completion(self)
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self.set_exact_completion(self._exact_completion)
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return
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def _completion_exact_match_func(self, completion, key, iter):
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model = completion.get_model()
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if not len(model):
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return
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content = model[iter][COL_TEXT]
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return key.startswith(content)
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def _completion_normal_match_func(self, completion, key, iter):
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model = completion.get_model()
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if not len(model):
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return
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content = model[iter][COL_TEXT].lower()
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return key.lower() in content
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def _appers_later(self, char, start):
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"""
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Check if a char appers later on the mask. If it does, return
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@ -1779,32 +1932,326 @@ class MaskedEntry(gtk.Entry):
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def get_icon_window(self):
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return self._icon.get_icon_window()
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#type_register(MaskedEntry)
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gobject.type_register(MaskedEntry)
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# Combo
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def prefill(self, itemdata, sort=False):
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if not isinstance(itemdata, (list, tuple)):
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raise TypeError("'data' parameter must be a list or tuple of item "
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"descriptions, found %s") % type(itemdata)
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completion = self._get_completion()
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model = completion.get_model()
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if len(itemdata) == 0:
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model.clear()
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return
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values = {}
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if sort:
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itemdata.sort()
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for item in itemdata:
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if item in values:
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raise KeyError("Tried to insert duplicate value "
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"%r into the entry" % item)
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else:
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values[item] = None
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model.append((item,))
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if gtk.pygtk_version < (2,8,0):
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gobject.type_register(MaskedEntry)
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#number = (int, float, long)
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VALIDATION_ICON_WIDTH = 16
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MANDATORY_ICON = gtk.STOCK_INFO
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ERROR_ICON = gtk.STOCK_STOP
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class ValidatableMaskedEntry(MaskedEntry):
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"""It extends the MaskedEntry with validation feature.
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Merged from Kiwi's ValidatableProxyWidgetMixin and ProxyEntry
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"""
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__gtype_name__ = 'ValidatableMaskedEntry'
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__gsignals__ = {
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'content-changed': (gobject.SIGNAL_RUN_FIRST,
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gobject.TYPE_NONE,
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()),
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'validation-changed': (gobject.SIGNAL_RUN_FIRST,
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gobject.TYPE_NONE,
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(gobject.TYPE_BOOLEAN,)),
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'validate': (gobject.SIGNAL_RUN_LAST,
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gobject.TYPE_PYOBJECT,
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(gobject.TYPE_PYOBJECT,)),
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'changed': 'override',
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}
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__gproperties__ = {
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'data-type': (gobject.TYPE_PYOBJECT,
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'Data Type of the widget',
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'Type object',
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gobject.PARAM_READWRITE),
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'mandatory': (gobject.TYPE_BOOLEAN,
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'Mandatory',
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'Mandatory',
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False,
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gobject.PARAM_READWRITE),
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}
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# FIXME put the data type support back
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#allowed_data_types = (basestring, datetime.date, datetime.time,
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#datetime.datetime, object) + number
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def __init__(self, data_type=None):
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self.data_type = None
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self.mandatory = False
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MaskedEntry.__init__(self)
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self._block_changed = False
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self._valid = True
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self._fade = FadeOut(self)
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self._fade.connect('color-changed', self._on_fadeout__color_changed)
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# FIXME put data type support back
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#self.set_property('data-type', data_type)
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# Virtual methods
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def do_changed(self):
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if self._block_changed:
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self.emit_stop_by_name('changed')
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return
|
||||
self.emit('content-changed')
|
||||
self.validate()
|
||||
|
||||
def do_get_property(self, prop):
|
||||
'''Return the gproperty's value.'''
|
||||
|
||||
if prop.name == 'data-type':
|
||||
return self.data_type
|
||||
elif prop.name == 'mandatory':
|
||||
return self.mandatory
|
||||
else:
|
||||
raise AttributeError, 'unknown property %s' % prop.name
|
||||
|
||||
def do_set_property(self, prop, value):
|
||||
'''Set the property of writable properties.'''
|
||||
|
||||
if prop.name == 'data-type':
|
||||
if value is None:
|
||||
self.data_type = value
|
||||
return
|
||||
|
||||
# FIXME put the data type support back
|
||||
#if not issubclass(value, self.allowed_data_types):
|
||||
#raise TypeError(
|
||||
#"%s only accept %s types, not %r"
|
||||
#% (self,
|
||||
#' or '.join([t.__name__ for t in self.allowed_data_types]),
|
||||
#value))
|
||||
self.data_type = value
|
||||
elif prop.name == 'mandatory':
|
||||
self.mandatory = value
|
||||
else:
|
||||
raise AttributeError, 'unknown or read only property %s' % prop.name
|
||||
|
||||
# Public API
|
||||
|
||||
def is_valid(self):
|
||||
"""
|
||||
@returns: True if the widget is in validated state
|
||||
"""
|
||||
return self._valid
|
||||
|
||||
def validate(self, force=False):
|
||||
"""Checks if the data is valid.
|
||||
Validates data-type and custom validation.
|
||||
|
||||
@param force: if True, force validation
|
||||
@returns: validated data or ValueUnset if it failed
|
||||
"""
|
||||
|
||||
# If we're not visible or sensitive return a blank value, except
|
||||
# when forcing the validation
|
||||
if not force and (not self.get_property('visible') or
|
||||
not self.get_property('sensitive')):
|
||||
return None
|
||||
|
||||
try:
|
||||
text = self.get_text()
|
||||
##log.debug('Read %r for %s' % (data, self.model_attribute))
|
||||
|
||||
# check if we should draw the mandatory icon
|
||||
# this need to be done before any data conversion because we
|
||||
# we don't want to end drawing two icons
|
||||
if self.mandatory and self.is_empty():
|
||||
self.set_blank()
|
||||
return None
|
||||
else:
|
||||
if self._completion:
|
||||
for row in self.get_completion().get_model():
|
||||
if row[COL_TEXT] == text:
|
||||
break
|
||||
else:
|
||||
if text:
|
||||
raise ValidationError()
|
||||
else:
|
||||
if not self.is_empty():
|
||||
# this signal calls the on_widgetname__validate method
|
||||
# of the view class and gets the exception (if any).
|
||||
error = self.emit("validate", text)
|
||||
if error:
|
||||
raise error
|
||||
|
||||
self.set_valid()
|
||||
return text
|
||||
except ValidationError, e:
|
||||
self.set_invalid(str(e))
|
||||
return None
|
||||
|
||||
def set_valid(self):
|
||||
"""Changes the validation state to valid, which will remove icons and
|
||||
reset the background color
|
||||
"""
|
||||
|
||||
##log.debug('Setting state for %s to VALID' % self.model_attribute)
|
||||
self._set_valid_state(True)
|
||||
|
||||
self._fade.stop()
|
||||
self.set_pixbuf(None)
|
||||
|
||||
def set_invalid(self, text=None, fade=True):
|
||||
"""Changes the validation state to invalid.
|
||||
@param text: text of tooltip of None
|
||||
@param fade: if we should fade the background
|
||||
"""
|
||||
##log.debug('Setting state for %s to INVALID' % self.model_attribute)
|
||||
|
||||
self._set_valid_state(False)
|
||||
|
||||
# If there is no error text, set a generic one so the error icon
|
||||
# still have a tooltip
|
||||
if not text:
|
||||
text = _("'%s' is not a valid value "
|
||||
"for this field") % self.get_text()
|
||||
|
||||
self.set_tooltip(text)
|
||||
|
||||
if not fade:
|
||||
self.set_stock(ERROR_ICON)
|
||||
self.update_background(gtk.gdk.color_parse(self._fade.ERROR_COLOR))
|
||||
return
|
||||
|
||||
# When the fading animation is finished, set the error icon
|
||||
# We don't need to check if the state is valid, since stop()
|
||||
# (which removes this timeout) is called as soon as the user
|
||||
# types valid data.
|
||||
def done(fadeout, c):
|
||||
self.set_stock(ERROR_ICON)
|
||||
self.queue_draw()
|
||||
fadeout.disconnect(c.signal_id)
|
||||
|
||||
class SignalContainer:
|
||||
pass
|
||||
c = SignalContainer()
|
||||
c.signal_id = self._fade.connect('done', done, c)
|
||||
|
||||
if self._fade.start(self.get_background()):
|
||||
self.set_pixbuf(None)
|
||||
|
||||
def set_blank(self):
|
||||
"""Changes the validation state to blank state, this only applies
|
||||
for mandatory widgets, draw an icon and set a tooltip"""
|
||||
|
||||
##log.debug('Setting state for %s to BLANK' % self.model_attribute)
|
||||
|
||||
if self.mandatory:
|
||||
self.set_stock(MANDATORY_ICON)
|
||||
self.queue_draw()
|
||||
self.set_tooltip(_('This field is mandatory'))
|
||||
self._fade.stop()
|
||||
valid = False
|
||||
else:
|
||||
valid = True
|
||||
|
||||
self._set_valid_state(valid)
|
||||
|
||||
def set_text(self, text):
|
||||
"""
|
||||
Sets the text of the entry
|
||||
|
||||
@param text:
|
||||
"""
|
||||
|
||||
# If content isn't empty set_text emitts changed twice.
|
||||
# Protect content-changed from being updated and issue
|
||||
# a manual emission afterwards
|
||||
self._block_changed = True
|
||||
MaskedEntry.set_text(self, text)
|
||||
self._block_changed = False
|
||||
self.emit('content-changed')
|
||||
|
||||
self.set_position(-1)
|
||||
|
||||
# Private
|
||||
|
||||
def _set_valid_state(self, state):
|
||||
"""Updates the validation state and emits a signal if it changed"""
|
||||
|
||||
if self._valid == state:
|
||||
return
|
||||
|
||||
self.emit('validation-changed', state)
|
||||
self._valid = state
|
||||
|
||||
# Callbacks
|
||||
|
||||
def _on_fadeout__color_changed(self, fadeout, color):
|
||||
self.update_background(color)
|
||||
|
||||
if gtk.pygtk_version < (2,8,0):
|
||||
gobject.type_register(ValidatableMaskedEntry)
|
||||
|
||||
##============================================================================##
|
||||
|
||||
def main(args):
|
||||
from RelLib import Date
|
||||
from DateHandler import parser
|
||||
|
||||
def on_validate(widget, text):
|
||||
myDate = parser.parse(text)
|
||||
if not myDate.is_regular():
|
||||
return ValidationError("This is not a proper date value")
|
||||
|
||||
win = gtk.Window()
|
||||
win.set_title('gtk.Entry subclass')
|
||||
win.set_title('ValidatableMaskedEntry test window')
|
||||
win.set_position(gtk.WIN_POS_CENTER)
|
||||
def cb(window, event):
|
||||
#print 'fields', widget.get_field_text()
|
||||
gtk.main_quit()
|
||||
win.connect('delete-event', cb)
|
||||
|
||||
widget = MaskedEntry()
|
||||
widget.set_mask('000.000.000.000')
|
||||
vbox = gtk.VBox()
|
||||
win.add(vbox)
|
||||
|
||||
# pixbuf = gtk.gdk.pixbuf_new_from_file("images/stock_lock.png")
|
||||
# widget.set_pixbuf(pixbuf)
|
||||
widget.set_stock(gtk.STOCK_NO)
|
||||
widget.set_tooltip("Tooltip example")
|
||||
|
||||
win.add(widget)
|
||||
label = gtk.Label('Pre-filled entry validated against the given list:')
|
||||
vbox.pack_start(label)
|
||||
|
||||
widget1 = ValidatableMaskedEntry(str)
|
||||
widget1.prefill(('Birth', 'Death', 'Conseption'))
|
||||
vbox.pack_start(widget1, fill=False)
|
||||
|
||||
label = gtk.Label('Mandatory masked entry validated against user function:')
|
||||
vbox.pack_start(label)
|
||||
|
||||
widget2 = ValidatableMaskedEntry(str)
|
||||
widget2.set_mask('00/00/0000')
|
||||
widget2.connect('validate', on_validate)
|
||||
widget2.mandatory = True
|
||||
vbox.pack_start(widget2, fill=False)
|
||||
|
||||
win.show_all()
|
||||
|
||||
widget.select_region(0, 0)
|
||||
gtk.main()
|
||||
|
||||
if __name__ == '__main__':
|
||||
|
||||
Loading…
Reference in New Issue
Block a user