Source code for camelot.view.controls.editors.codeeditor

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#  Copyright (C) 2007-2011 Conceptive Engineering bvba. All rights reserved.
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#  This file is part of the Camelot Library.
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from PyQt4 import QtGui
from PyQt4 import QtCore
from PyQt4.QtCore import Qt

from customeditor import CustomEditor, set_background_color_palette, draw_tooltip_visualization
import re

[docs]class PartEditor(QtGui.QLineEdit): def __init__(self, mask, max_length, first = False, last = False): super(PartEditor, self).__init__() self.setInputMask(mask) self.firstPart = first self.last = last self.max_length = max_length self.textEdited.connect( self.text_edited )
[docs] def focusInEvent(self, event): super(PartEditor, self).focusInEvent(event) self.setCursorPosition(0)
[docs] def focusOutEvent(self, event): super(PartEditor, self).focusOutEvent(event) if self.isModified(): self.editingFinished.emit()
[docs] def paintEvent(self, event): super(PartEditor, self).paintEvent(event) if self.firstPart and self.toolTip(): draw_tooltip_visualization(self)
@QtCore.pyqtSlot(str)
[docs] def text_edited(self, text): if self.cursorPosition() == self.max_length: if self.last: self.editingFinished.emit() else: self.focusNextChild()
[docs]class CodeEditor(CustomEditor): def __init__(self, parent=None, parts=['99','AA'], editable=True, field_name='code', **kwargs): CustomEditor.__init__(self, parent) self.setObjectName( field_name ) self.parts = parts self.part_editors = [] layout = QtGui.QHBoxLayout() layout.setContentsMargins( 0, 0, 0, 0) layout.setSpacing(0) layout.setAlignment(Qt.AlignLeft) for i, part in enumerate(parts): part = re.sub('\W*', '', part) part_length = len(part) editor = PartEditor(part, part_length, i==0, i==(len(parts)-1) ) editor.setFocusPolicy( Qt.StrongFocus ) if i==0: self.setFocusProxy( editor ) if not editable: editor.setEnabled(False) space_width = editor.fontMetrics().size(Qt.TextSingleLine, 'A').width() editor.setMaximumWidth(space_width*(part_length+1)) self.part_editors.append(editor) layout.addWidget(editor) editor.editingFinished.connect(self.emit_editing_finished) self.setLayout(layout) @QtCore.pyqtSlot()
[docs] def emit_editing_finished(self): # if we don't do an isModified check here, spurious editingFinished # signals are generated by the QLineEdit itself, maybe because of the # pattern. this can lead to spurious data entry in a form, therefor this # check is necessary for editor in self.part_editors: if editor.isModified(): self.editingFinished.emit() return
[docs] def set_enabled(self, editable=True): for editor in self.part_editors: editor.setEnabled(editable)
[docs] def set_value(self, value): value = CustomEditor.set_value(self, value) if value: old_value = self.get_value() if value!=old_value: for part_editor, part in zip(self.part_editors, value): part_editor.setText(unicode(part)) else: for part_editor in self.part_editors: part_editor.setText('')
[docs] def get_value(self): value = [] for part in self.part_editors: value.append(unicode(part.text())) return CustomEditor.get_value(self) or value
[docs] def set_background_color(self, background_color): for editor in self.part_editors: set_background_color_palette( editor, background_color )
[docs] def set_field_attributes(self, editable = True, background_color = None, tooltip = None, **kwargs): self.set_enabled(editable) self.set_background_color(background_color) self.layout().itemAt(0).widget().setToolTip(unicode(tooltip or ''))

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