Author: johannes
Date: 2005-04-28 10:14:58 -0500 (Thu, 28 Apr 2005)
New Revision: 7500
Added:
trunk/gnue-forms/src/uidrivers/curses/dialogs.py
Modified:
trunk/gnue-forms/src/uidrivers/curses/UIdriver.py
trunk/gnue-forms/src/uidrivers/curses/widgets/entry.py
Log:
Added lookup dialog to dropdowns (currently using Ctrl-W)
Modified: trunk/gnue-forms/src/uidrivers/curses/UIdriver.py
===================================================================
--- trunk/gnue-forms/src/uidrivers/curses/UIdriver.py 2005-04-28 11:17:58 UTC
(rev 7499)
+++ trunk/gnue-forms/src/uidrivers/curses/UIdriver.py 2005-04-28 15:14:58 UTC
(rev 7500)
@@ -29,6 +29,7 @@
from gnue.common.datasources import GLoginHandler
from gnue.forms.GFKeyMapper import vk, KeyMapper
from gnue.forms.uidrivers._base.UIdriver import GFUserInterfaceBase
+from gnue.forms.uidrivers.curses import dialogs
# =============================================================================
# User interface object
@@ -76,9 +77,15 @@
self.attr ['warnmsg'] = curses.color_pair (9) + curses.A_BOLD
self.attr ['errormsg'] = curses.color_pair (9) + curses.A_BOLD \
+ curses.A_BLINK
+ self.attr ['window 1'] = curses.color_pair (5)
self.__currentForm = None
+ # TODO: Add a concept of 'lookups' to the GF* layer (like canCOMMIT, ...)
+ # Meanwhile we're using Ctrl-W (hardcoded)
+ self.lookupKey = 23
+
+
# ---------------------------------------------------------------------------
# Initialize user interface
# ---------------------------------------------------------------------------
@@ -301,7 +308,36 @@
gDebug (2, "Detail : %s" % detail)
self.showMessage (message, kind = 'Error')
+
# ---------------------------------------------------------------------------
+ # Select one of the given options
+ # ---------------------------------------------------------------------------
+
+ def getOption (self, title, options):
+ """
+ Create a dialog box for selecting one of the given options
+ @param title: title for the dialog box
+ @param options: dictionary to select a value from
+
+ @return: the selected option (dict-value) or None if cancelled
+ """
+
+ if self.__currentForm:
+ (left, top, right, bottom) = self.__currentForm.getCanvas ()
+ else:
+ (right, bottom) = self.__screen.getmaxyx ()
+ left = top = 0
+
+ dialog = dialogs.OptionsDialog (title, options, self.attr, self.lookupKey,
+ left, top, right, bottom)
+ try:
+ return dialog.run ()
+
+ finally:
+ self.__screen.refresh ()
+
+
+ # ---------------------------------------------------------------------------
# Ask for login info
# ---------------------------------------------------------------------------
Added: trunk/gnue-forms/src/uidrivers/curses/dialogs.py
===================================================================
--- trunk/gnue-forms/src/uidrivers/curses/dialogs.py 2005-04-28 11:17:58 UTC
(rev 7499)
+++ trunk/gnue-forms/src/uidrivers/curses/dialogs.py 2005-04-28 15:14:58 UTC
(rev 7500)
@@ -0,0 +1,192 @@
+# Short line describing the purpose of this file
+#
+# Copyright 2001-2005 Free Software Foundation
+#
+# This file is part of GNU Enterprise
+#
+# GNU Enterprise is free software; you can redistribute it
+# and/or modify it under the terms of the GNU General Public
+# License as published by the Free Software Foundation; either
+# version 2, or (at your option) any later version.
+#
+# GNU Enterprise is distributed in the hope that it will be
+# useful, but WITHOUT ANY WARRANTY; without even the implied
+# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+# PURPOSE. See the GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public
+# License along with program; see the file COPYING. If not,
+# write to the Free Software Foundation, Inc., 59 Temple Place
+# - Suite 330, Boston, MA 02111-1307, USA.
+#
+# $Id$
+
+import curses
+
+# =============================================================================
+# Dialog box for selection an option from a given options dictionary
+# =============================================================================
+
+class OptionsDialog:
+
+ # ---------------------------------------------------------------------------
+ # Constructor
+ # ---------------------------------------------------------------------------
+
+ def __init__ (self, title, options, attrs, quit = None, left = 0, top = 0,
+ right = 80, bottom = 24):
+
+ curses.noecho ()
+ curses.cbreak ()
+
+ try:
+ self.__oldcursor = curses.curs_set (0)
+ except:
+ self.__oldcursor = 1
+
+ self.__data = ["%s" % item for item in options.values ()]
+ self.__data.sort ()
+
+ maxString = max ([len (item) for item in self.__data])
+
+ width = min (right - left, max ((maxString + 4), len (title) + 4))
+ height = min (bottom - top, len (options) + 4)
+ left = max (left, (right - left - width) / 2)
+ top = max (top, (bottom - top - height) / 2)
+
+ width = min (left + width, right) - left
+ height = min (top + height, bottom) - top
+
+ self.__window = curses.newwin (height, width, top, left)
+ self.__window.keypad (1)
+ self.__window.box ()
+
+ self.__normal = attrs.get ('window 1', attrs ['background'])
+ self.__reverse = attrs ['focusentry']
+ self.__quit = quit
+
+
+ self.__dwidth = width - 4
+ self.__window.bkgd (' ', self.__normal)
+ self.__window.addstr (1, 2, title.center (self.__dwidth))
+ self.__window.hline (2, 1, curses.ACS_HLINE, width - 2)
+
+ self.__offset = 0
+ self.__index = 0
+ self.__pIndex = 1
+ self.__page = height - 4
+
+ self.__refresh ()
+
+
+ # ---------------------------------------------------------------------------
+ # Start the selection
+ # ---------------------------------------------------------------------------
+
+ def run (self):
+ """
+ Start the selection dialog.
+
+ @return: selected item or None if canceled
+ """
+
+ self.__window.refresh ()
+
+ try:
+ while 1:
+ key = self.__window.getch ()
+
+ if key == 27 or key == self.__quit:
+ return None
+
+ elif key == curses.KEY_UP:
+ self.__move (-1)
+
+ elif key == curses.KEY_DOWN:
+ self.__move (+1)
+
+ elif key == 10:
+ return self.__data [self.__index]
+
+ finally:
+ try:
+ curses.curs_set (self.__oldcursor)
+ except:
+ pass
+
+
+ # ---------------------------------------------------------------------------
+ # Move the selection in a given direction
+ # ---------------------------------------------------------------------------
+
+ def __move (self, direction):
+
+ self.__pIndex += direction
+ self.__index += direction
+
+ if self.__pIndex > self.__page:
+ if self.__index < len (self.__data):
+ self.__offset += direction
+
+ elif self.__pIndex < 1:
+ self.__offset = max (0, self.__offset - 1)
+
+ # Make sure to stay in bounds
+ self.__index = max (0, self.__index)
+ self.__index = min (len (self.__data) - 1, self.__index)
+
+ self.__pIndex = max (1, self.__pIndex)
+ self.__pIndex = min (self.__page, self.__pIndex)
+
+ self.__refresh ()
+
+
+ # ---------------------------------------------------------------------------
+ # Refresh the dialog's window
+ # ---------------------------------------------------------------------------
+
+ def __refresh (self):
+
+ lines = self.__data [self.__offset:self.__offset + self.__page]
+ for (line, value) in enumerate (lines):
+ text = " %s " % value.ljust (self.__dwidth) [:self.__dwidth]
+ if line == self.__pIndex - 1:
+ attr = self.__reverse
+ else:
+ attr = self.__normal
+
+ self.__window.addnstr (3 + line, 1, text, self.__dwidth + 2, attr)
+
+ self.__window.move (3 + self.__pIndex - 1, 1)
+
+
+# =============================================================================
+# Module self test
+# =============================================================================
+
+if __name__ == '__main__':
+ curses.initscr ()
+ curses.raw ()
+ curses.start_color ()
+
+ curses.init_pair (3, curses.COLOR_BLACK, curses.COLOR_CYAN)
+ curses.init_pair (4, curses.COLOR_BLUE, curses.COLOR_WHITE)
+ curses.init_pair (5, curses.COLOR_WHITE, curses.COLOR_RED)
+
+ attrs = {'background': curses.color_pair (4),
+ 'focusentry': curses.color_pair (5),
+ 'window 1': curses.color_pair (3)}
+
+ opts = {'foo': 'Foobar', 'baz': 'Barbaz and the Gang!',
+ 2: 'something', 3: 'quite', 4: 'interesting stuff', 5: 'hey ho',
+ 7: 'number 7'}
+
+ opts = {1:1, 2:2, 3:3, 4:4, 5:5, 6:6, 7:7, 8:8, 9:9, 10:10, 11:11, 12:12,
+ 13:13, 14:14, 15:15, 16:16, 17:17, 18:18, 19:19, 20:20}
+ d = OptionsDialog ('Foos', opts, attrs, quit = 23, top = 2, bottom = 22)
+ r = d.run ()
+
+
+ curses.endwin ()
+
+ print "RESULT:", r
Property changes on: trunk/gnue-forms/src/uidrivers/curses/dialogs.py
___________________________________________________________________
Name: svn:keywords
+ Id
Modified: trunk/gnue-forms/src/uidrivers/curses/widgets/entry.py
===================================================================
--- trunk/gnue-forms/src/uidrivers/curses/widgets/entry.py 2005-04-28
11:17:58 UTC (rev 7499)
+++ trunk/gnue-forms/src/uidrivers/curses/widgets/entry.py 2005-04-28
15:14:58 UTC (rev 7500)
@@ -50,6 +50,9 @@
self.__selection = {}
self.__enabled = {}
+ if self.__style in ['dropdown', 'listbox']:
+ self.__allowedValues = event.object._field._allowedValues
+
if self.__style == 'checkbox':
self._setCursor (1, 0)
@@ -164,6 +167,21 @@
self._setText (index, text, attr, self.__selection [index])
+
+ # ---------------------------------------------------------------------------
+ # handle keypress
+ # ---------------------------------------------------------------------------
+
+ def _keypress (self, key):
+
+ if self.__style == 'dropdown' and key == chr (self._uiDriver.lookupKey):
+ res = self._uiDriver.getOption (u_("Select option"),
self.__allowedValues)
+ if res is not None:
+ self._request ('REPLACEVALUE', text = res)
+ else:
+ UIHelper._keypress (self, key)
+
+
# =============================================================================
# Configuration data
# =============================================================================
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