Package Camelot :: Package camelot :: Package view :: Package controls :: Package delegates :: Module currencydelegate
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Source Code for Module Camelot.camelot.view.controls.delegates.currencydelegate

 1  from PyQt4 import QtGui, QtCore 
 2  from PyQt4.QtCore import Qt 
 3  
 
 4  from customdelegate import CustomDelegate, DocumentationMetaclass 
 5  from camelot.view.controls import editors 
 6  from camelot.core.utils import variant_to_pyobject 
 7  from camelot.core import constants 
 8  from camelot.view.proxy import ValueLoading 
 9  
 
10 -class CurrencyDelegate(CustomDelegate):
11 """Custom delegate for float values""" 12 13 __metaclass__ = DocumentationMetaclass 14 15 editor = editors.FloatEditor 16
17 - def __init__(self, 18 minimum=constants.camelot_minfloat, 19 maximum=constants.camelot_maxfloat, 20 precision=2, 21 editable=True, 22 parent=None, 23 prefix="", 24 suffix="", 25 **kwargs):
26 """ 27 :param precision: The number of digits after the decimal point displayed. This defaults 28 to the precision specified in the definition of the Field. 29 """ 30 CustomDelegate.__init__(self, parent=parent, editable=editable, minimum=minimum, maximum=maximum, 31 precision=precision, prefix=prefix, suffix=suffix, **kwargs) 32 self.minimum = minimum 33 self.maximum = maximum 34 self.precision = precision 35 self.editable = editable 36 self.prefix = prefix 37 self.suffix = suffix
38
39 - def setEditorData(self, editor, index):
40 value = variant_to_pyobject(index.model().data(index, Qt.EditRole)) 41 editor.set_value(value)
42
43 - def paint(self, painter, option, index):
44 painter.save() 45 self.drawBackground(painter, option, index) 46 value = variant_to_pyobject(index.model().data(index, Qt.EditRole)) 47 if value in (None, ValueLoading): 48 value = 0.0 49 rect = option.rect 50 rect = QtCore.QRect(rect.left()+3, rect.top()+6, 16, 16) 51 52 53 background_color = QtGui.QColor(index.model().data(index, Qt.BackgroundRole)) 54 55 if( option.state & QtGui.QStyle.State_Selected ): 56 painter.fillRect(option.rect, option.palette.highlight()) 57 fontColor = QtGui.QColor() 58 if self.editable: 59 Color = option.palette.highlightedText().color() 60 fontColor.setRgb(Color.red(), Color.green(), Color.blue()) 61 else: 62 fontColor.setRgb(130,130,130) 63 else: 64 if self.editable: 65 painter.fillRect(option.rect, background_color) 66 fontColor = QtGui.QColor() 67 fontColor.setRgb(0,0,0) 68 else: 69 painter.fillRect(option.rect, option.palette.window()) 70 fontColor = QtGui.QColor() 71 fontColor.setRgb(130,130,130) 72 73 # 74 # explicit conversion of value to float needed, see floatdelegate.py for 75 # explanation 76 # 77 value_str_formatted = QtCore.QString("%L1").arg(float(value),0,'f',2) 78 79 painter.setPen(fontColor.toRgb()) 80 rect = QtCore.QRect(option.rect.left()+23, 81 option.rect.top(), 82 option.rect.width()-23, 83 option.rect.height()) 84 85 painter.drawText(rect.x()+2, 86 rect.y(), 87 rect.width()-4, 88 rect.height(), 89 Qt.AlignVCenter | Qt.AlignRight, 90 value_str_formatted) 91 92 painter.restore()
93