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#------------------------------------------------------------------------------
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# Copyright (c) 2007, Riverbank Computing Limited
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# This software is provided without warranty under the terms of the BSD license.
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# However, when used with the GPL version of PyQt the additional terms described in the PyQt GPL exception also apply
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# Author: Riverbank Computing Limited
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#------------------------------------------------------------------------------
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""" Defines the base PyQt classes the various styles of editors used in a
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Traits-based user interface.
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#-------------------------------------------------------------------------------
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#-------------------------------------------------------------------------------
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from pyface.qt import QtCore, QtGui
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from traitsui.editor_factory \
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import EditorFactory as BaseEditorFactory
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#-------------------------------------------------------------------------------
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# 'EditorFactory' class
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# Deprecated alias for traitsui.editor_factory.EditorFactory
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#-------------------------------------------------------------------------------
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class EditorFactory(BaseEditorFactory):
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""" Deprecated alias for traitsui.editor_factory.EditorFactory.
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def __init__(self, *args, **kwds):
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super(EditorFactory, self).__init__(*args, **kwds)
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warnings.warn("DEPRECATED: Use traitsui.editor_factory."
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".EditorFactory instead.", DeprecationWarning)
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#-------------------------------------------------------------------------------
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# 'SimpleEditor' class:
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#-------------------------------------------------------------------------------
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class SimpleEditor ( Editor ):
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""" Base class for simple style editors, which displays a text field
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containing the text representation of the object trait value. Clicking in
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the text field displays an editor-specific dialog box for changing the
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#---------------------------------------------------------------------------
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# Finishes initializing the editor by creating the underlying toolkit
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#---------------------------------------------------------------------------
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def init ( self, parent ):
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""" Finishes initializing the editor by creating the underlying toolkit
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self.control = _SimpleField(self)
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#---------------------------------------------------------------------------
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# Invokes the pop-up editor for an object trait:
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# (Normally overridden in a subclass)
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#---------------------------------------------------------------------------
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def popup_editor(self):
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""" Invokes the pop-up editor for an object trait.
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#-------------------------------------------------------------------------------
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#-------------------------------------------------------------------------------
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class TextEditor ( Editor ):
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""" Base class for text style editors, which displays an editable text
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field, containing a text representation of the object trait value.
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#---------------------------------------------------------------------------
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# Finishes initializing the editor by creating the underlying toolkit
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#---------------------------------------------------------------------------
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def init ( self, parent ):
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""" Finishes initializing the editor by creating the underlying toolkit
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self.control = QtGui.QLineEdit(self.str_value)
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QtCore.QObject.connect(self.control,
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QtCore.SIGNAL('editingFinished()'), self.update_object)
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#---------------------------------------------------------------------------
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# Handles the user changing the contents of the edit control:
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#---------------------------------------------------------------------------
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def update_object(self):
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""" Handles the user changing the contents of the edit control.
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self.value = unicode(self.control.text())
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except TraitError, excp:
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#-------------------------------------------------------------------------------
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# 'ReadonlyEditor' class:
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#-------------------------------------------------------------------------------
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class ReadonlyEditor ( Editor ):
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""" Base class for read-only style editors, which displays a read-only text
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field, containing a text representation of the object trait value.
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#---------------------------------------------------------------------------
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# Finishes initializing the editor by creating the underlying toolkit
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#---------------------------------------------------------------------------
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def init ( self, parent ):
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""" Finishes initializing the editor by creating the underlying toolkit
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self.control = QtGui.QLabel(self.str_value)
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if self.item.resizable is True or self.item.height != -1.0:
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self.control.setSizePolicy(QtGui.QSizePolicy.Expanding,
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QtGui.QSizePolicy.Expanding)
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self.control.setWordWrap(True)
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#---------------------------------------------------------------------------
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# Updates the editor when the object trait changes external to the editor:
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#---------------------------------------------------------------------------
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def update_editor ( self ):
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""" Updates the editor when the object trait changes externally to the
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self.control.setText(self.str_value)
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#-------------------------------------------------------------------------------
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# '_SimpleField' class:
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#-------------------------------------------------------------------------------
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class _SimpleField(QtGui.QLineEdit):
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def __init__(self, editor):
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QtGui.QLineEdit.__init__(self, editor.str_value)
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self.setReadOnly(True)
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self._editor = editor
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def mouseReleaseEvent(self, e):
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QtGui.QLineEdit.mouseReleaseEvent(self, e)
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if e.button() == QtCore.Qt.LeftButton:
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self._editor.popup_editor()
added
removed
traitsui/qt4/editor_factory.py
