00001 #!/usr/bin/env python 00002 00003 # Copyright (c) 2011, Dorian Scholz, TU Darmstadt 00004 # All rights reserved. 00005 # 00006 # Redistribution and use in source and binary forms, with or without 00007 # modification, are permitted provided that the following conditions 00008 # are met: 00009 # 00010 # * Redistributions of source code must retain the above copyright 00011 # notice, this list of conditions and the following disclaimer. 00012 # * Redistributions in binary form must reproduce the above 00013 # copyright notice, this list of conditions and the following 00014 # disclaimer in the documentation and/or other materials provided 00015 # with the distribution. 00016 # * Neither the name of the TU Darmstadt nor the names of its 00017 # contributors may be used to endorse or promote products derived 00018 # from this software without specific prior written permission. 00019 # 00020 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00021 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00022 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 00023 # FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 00024 # COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 00025 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 00026 # BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 00027 # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 00028 # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00029 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 00030 # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00031 # POSSIBILITY OF SUCH DAMAGE. 00032 00033 from python_qt_binding.QtCore import QModelIndex 00034 from python_qt_binding.QtGui import QDoubleSpinBox, QItemDelegate 00035 00036 00037 class SpinBoxDelegate(QItemDelegate): 00038 def __init__(self, min_value=0, max_value=100, decimals=2, *args): 00039 self._min = min_value 00040 self._max = max_value 00041 self._decimals = decimals 00042 super(SpinBoxDelegate, self).__init__(*args) 00043 00044 def createEditor(self, parent, option, index): 00045 editor = QDoubleSpinBox(parent) 00046 editor.setDecimals(self._decimals) 00047 editor.setMaximum(self._min) 00048 editor.setMaximum(self._max) 00049 return editor 00050 00051 00052 class DelegateUtil(object): 00053 00054 ''' 00055 @summary: Find out the hierarchy level of the selected item. 00056 @see: http://stackoverflow.com/a/4208240/577001 00057 00058 @param model_index: QModelIndex 00059 @return: int 00060 00061 @author: Isaac Saito 00062 ''' 00063 @staticmethod 00064 def _get_hierarchy_level(model_index): 00065 hierarchyLevel = 1 00066 seek_root = model_index 00067 while(seek_root.parent() != QModelIndex()): 00068 seek_root = seek_root.parent() 00069 hierarchyLevel += 1 00070 return hierarchyLevel