dabo Commit
Revision 4429
Date: 2008-08-21 07:55:15 -0700 (Thu, 21 Aug 2008)
Author: Ed
Trac: http://svn.dabodev.com/trac/dabo/changeset/4429
Changed:
U trunk/dabo/ui/uiwx/dComboBox.py
Log:
Added ForceCase and TextLength properties to dComboBox.
Diff:
Modified: trunk/dabo/ui/uiwx/dComboBox.py
===================================================================
--- trunk/dabo/ui/uiwx/dComboBox.py 2008-08-21 13:46:02 UTC (rev 4428)
+++ trunk/dabo/ui/uiwx/dComboBox.py 2008-08-21 14:55:15 UTC (rev 4429)
@@ -17,6 +17,10 @@
self._baseClass = dComboBox
self._choices = []
self._userVal = False
+ # Used to force the case of entered text
+ self._forceCase = None
+ self._inForceCase = False
+ self._textLength = None
# Flag for appending items when the user presses 'Enter'
self._appendOnEnter = False
# Holds the text to be appended
@@ -49,7 +53,7 @@
self._userVal = True
evt.Skip()
if self.AppendOnEnter:
- txt = evt.GetString()
+ txt = evt.GetValue()
if txt not in self.Choices:
self._textToAppend = txt
if self.beforeAppendOnEnter() is not False:
@@ -59,6 +63,57 @@
self.raiseEvent(dabo.dEvents.Hit, evt)
+ def __onKeyChar(self, evt):
+ """This handles KeyChar events when ForceCase is set to a
non-empty value."""
+ if not self:
+ # The control is being destroyed
+ return
+ keyChar = evt.keyChar
+ if keyChar is not None and (keyChar.isalnum()
+ or keyChar in """,./<>?;':"[]\\{}|[EMAIL
PROTECTED]&*()-_=+"""):
+ dabo.ui.callAfter(self._checkForceCase)
+ dabo.ui.callAfter(self._checkTextLength)
+
+
+ def _checkTextLength(self):
+ """If the TextLength property is set, checks the current value
of the control
+ and truncates it if too long"""
+ if not self:
+ # The control is being destroyed
+ return
+ if not isinstance(self.GetValue(), basestring):
+ #Don't bother if it isn't a string type
+ return
+ length = self.TextLength
+ if not length:
+ return
+ val = self.GetValue()
+ if len(val) > length:
+ dabo.ui.beep()
+ self.SetValue(val[:length])
+
+
+ def _checkForceCase(self):
+ """If the ForceCase property is set, casts the current value of
the control
+ to the specified case.
+ """
+ if not self:
+ # The control is being destroyed
+ return
+ if not isinstance(self.GetValue(), basestring):
+ # Don't bother if it isn't a string type
+ return
+ case = self.ForceCase
+ if not case:
+ return
+ if case == "upper":
+ self.SetValue(self.GetValue().upper())
+ elif case == "lower":
+ self.SetValue(self.GetValue().lower())
+ elif case == "title":
+ self.SetValue(self.GetValue().title())
+
+
def beforeAppendOnEnter(self):
"""Hook method that is called when user-defined text is entered
into the combo box and Enter is pressed (when self.AppendOnEnter
@@ -96,6 +151,46 @@
self._properties["AppendOnEnter"] = val
+ def _getForceCase(self):
+ return self._forceCase
+
+ def _setForceCase(self, val):
+ if self._constructed():
+ if val is None:
+ valKey = None
+ else:
+ valKey = val[0].upper()
+ self._forceCase = {"U": "upper", "L": "lower", "T":
"title", None: None,
+ "None": None}.get(valKey)
+ self._checkForceCase()
+ self.unbindEvent(dEvents.KeyChar, self.__onKeyChar)
+ if self._forceCase or self._textLength:
+ self.bindEvent(dEvents.KeyChar,
self.__onKeyChar)
+ else:
+ self._properties["ForceCase"] = val
+
+
+ def _getTextLength(self):
+ return self._textLength
+
+ def _setTextLength(self, val):
+ if self._constructed():
+ if val == None:
+ self._textLength = None
+ else:
+ val = int(val)
+ if val < 1:
+ raise ValueError, 'TextLength must be a
positve Integer'
+ self._textLength = val
+ self._checkTextLength()
+
+ self.unbindEvent(dEvents.KeyChar, self.__onKeyChar)
+ if self._forceCase or self._textLength:
+ self.bindEvent(dEvents.KeyChar,
self.__onKeyChar)
+ else:
+ self._properties["TextLength"] = val
+
+
def _getUserValue(self):
if self._userVal:
return self.GetValue()
@@ -116,6 +211,17 @@
_("""Flag to determine if user-entered text is appended
when they
press 'Enter' (bool)"""))
+ ForceCase = property(_getForceCase, _setForceCase, None,
+ _("""Determines if we change the case of entered text.
Possible values are:
+ None, "" (empty string): No changes made
(default)
+ "Upper": FORCE TO UPPER CASE
+ "Lower": force to lower case
+ "Title": Force To Title Case
+ These can be abbreviated to "u", "l" or "t" (str)"""))
+
+ TextLength = property(_getTextLength, _setTextLength, None,
+ _("""The maximum length the entered text can be.
(int)"""))
+
UserValue = property(_getUserValue, _setUserValue, None,
_("""Specifies the text displayed in the textbox
portion of the ComboBox.
@@ -155,7 +261,7 @@
def beforeAppendOnEnter(self):
txt = self._textToAppend.strip().lower()
if txt == "dabo":
- dabo.infoLog.write("Attempted to add Dabo to the
list!!!")
+ print _("Attempted to add Dabo to the list!!!")
return False
elif txt.find("nixon") > -1:
self._textToAppend = "Tricky Dick"
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