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formlayout.py
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# -*- coding: utf-8 -*-
"""
formlayout
==========
Module creating Qt form dialogs/layouts to edit various type of parameters
formlayout License Agreement (MIT License)
------------------------------------------
Copyright (c) 2009-2015 Pierre Raybaut
Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation
files (the "Software"), to deal in the Software without
restriction, including without limitation the rights to use,
copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following
conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.
"""
from __future__ import print_function
__version__ = '2.0.0alpha'
__license__ = __doc__
DEBUG_FORMLAYOUT = False
import os
import sys
import datetime
STDERR = sys.stderr
# ---+- PyQt-PySide compatibility -+----
_modname = os.environ.setdefault('QT_API', 'pyqt')
assert _modname in ('pyqt', 'pyqt5', 'pyside', 'pyside2')
if os.environ['QT_API'].startswith('pyqt'):
try:
if os.environ['QT_API'] == 'pyqt5':
import PyQt5 # analysis:ignore
else:
import PyQt4 # analysis:ignore
except ImportError:
# Switching to PySide
os.environ['QT_API'] = _modname = 'pyside'
try:
import PySide # analysis:ignore
except ImportError:
# Switching to PySide2
os.environ['QT_API'] = _modname = 'pyside2'
try:
import PySide2 # analysis:ignore
except ImportError:
raise ImportError("formlayout requires PyQt4, PyQt5, PySide or PySide2")
if os.environ['QT_API'] == 'pyqt':
try:
from PyQt4.QtGui import QFormLayout
except ImportError:
raise ImportError("formlayout requires PyQt4, PyQt5, PySide or PySide2")
from PyQt4.QtGui import * # analysis:ignore
from PyQt4.QtCore import * # analysis:ignore
from PyQt4.QtCore import pyqtSlot as Slot
from PyQt4.QtCore import pyqtProperty as Property
QT_LIB = 'PyQt4'
if os.environ['QT_API'] == 'pyqt5':
from PyQt5.QtWidgets import * # analysis:ignore
from PyQt5.QtGui import * # analysis:ignore
from PyQt5.QtCore import * # analysis:ignore
from PyQt5.QtCore import pyqtSignal as Signal # analysis:ignore
from PyQt5.QtCore import pyqtSlot as Slot # analysis:ignore
from PyQt5.QtCore import pyqtProperty as Property # analysis:ignore
SIGNAL = None # analysis:ignore
QT_LIB = 'PyQt5'
if os.environ['QT_API'] == 'pyside':
from PySide.QtGui import * # analysis:ignore
from PySide.QtCore import * # analysis:ignore
QT_LIB = 'PySide'
if os.environ['QT_API'] == 'pyside2':
from PySide2.QtGui import * # analysis:ignore
from PySide2.QtCore import * # analysis:ignore
from PySide2.QtWidgets import * # analysis:ignore
QT_LIB = 'PySide2'
# ---+- Python 2-3 compatibility -+----
PY2 = sys.version[0] == '2'
if PY2:
# Python 2
import codecs
def u(obj):
"""Make unicode object"""
return codecs.unicode_escape_decode(obj)[0]
else:
# Python 3
def u(obj):
"""Return string as it is"""
return obj
def is_text_string(obj):
"""Return True if `obj` is a text string, False if it is anything else,
like binary data (Python 3) or QString (Python 2, PyQt API #1)"""
if PY2:
# Python 2
return isinstance(obj, basestring)
else:
# Python 3
return isinstance(obj, str)
def is_binary_string(obj):
"""Return True if `obj` is a binary string, False if it is anything else"""
if PY2:
# Python 2
return isinstance(obj, str)
else:
# Python 3
return isinstance(obj, bytes)
def is_string(obj):
"""Return True if `obj` is a text or binary Python string object,
False if it is anything else, like a QString (Python 2, PyQt API #1)"""
return is_text_string(obj) or is_binary_string(obj)
def to_text_string(obj, encoding=None):
"""Convert `obj` to (unicode) text string"""
if PY2:
# Python 2
if encoding is None:
return unicode(obj)
else:
return unicode(obj, encoding)
else:
# Python 3
if encoding is None:
return str(obj)
elif isinstance(obj, str):
# In case this function is not used properly, this could happen
return obj
else:
return str(obj, encoding)
class ColorButton(QPushButton):
"""
Color choosing push button
"""
__pyqtSignals__ = ("colorChanged(QColor)",)
if SIGNAL is None:
colorChanged = Signal("QColor")
def __init__(self, parent=None, colorChanged_slot=None):
QPushButton.__init__(self, parent)
self.setFixedSize(20, 20)
self.setIconSize(QSize(12, 12))
if colorChanged_slot:
if SIGNAL is None:
self.colorChanged.connect(colorChanged_slot)
else:
self.connect(self, SIGNAL("colorChanged(QColor)"),
colorChanged_slot)
if SIGNAL is None:
self.clicked.connect(self.choose_color)
else:
self.connect(self, SIGNAL("clicked()"), self.choose_color)
self._color = QColor()
def choose_color(self):
color = QColorDialog.getColor(self._color, self.parentWidget())
if color.isValid():
self.set_color(color)
def get_color(self):
return self._color
@Slot(QColor)
def set_color(self, color):
if color != self._color:
self._color = color
if SIGNAL is None:
self.colorChanged.emit(self._color)
else:
self.emit(SIGNAL("colorChanged(QColor)"), self._color)
pixmap = QPixmap(self.iconSize())
pixmap.fill(color)
self.setIcon(QIcon(pixmap))
color = Property("QColor", get_color, set_color)
def text_to_qcolor(text):
"""
Create a QColor from specified string
Avoid warning from Qt when an invalid QColor is instantiated
"""
color = QColor()
if not is_string(text): # testing for QString (PyQt API#1)
text = str(text)
if not is_text_string(text):
return color
if text.startswith('#') and len(text)==7:
correct = '#0123456789abcdef'
for char in text:
if char.lower() not in correct:
return color
elif text not in list(QColor.colorNames()):
return color
color.setNamedColor(text)
return color
class ColorLayout(QHBoxLayout):
"""Color-specialized QLineEdit layout"""
def __init__(self, color, parent=None):
QHBoxLayout.__init__(self)
assert isinstance(color, QColor)
self.lineedit = QLineEdit(color.name(), parent)
if SIGNAL is None:
self.lineedit.textChanged.connect(self.update_color)
else:
self.connect(self.lineedit, SIGNAL("textChanged(QString)"),
self.update_color)
self.addWidget(self.lineedit)
self.colorbtn = ColorButton(parent, self.update_text)
self.colorbtn.color = color
self.addWidget(self.colorbtn)
def update_color(self, text):
color = text_to_qcolor(text)
if color.isValid():
self.colorbtn.color = color
def update_text(self, color):
self.lineedit.setText(color.name())
def text(self):
return self.lineedit.text()
def setStyleSheet(self, style):
self.lineedit.setStyleSheet(style)
self.colorbtn.setStyleSheet(style)
class FileLayout(QHBoxLayout):
"""File-specialized QLineEdit layout"""
def __init__(self, value, parent=None):
QHBoxLayout.__init__(self)
self.value = value
self.lineedit = QLineEdit('', parent)
self.addWidget(self.lineedit)
self.filebtn = QPushButton('Browse')
self.filebtn.clicked.connect(self.getfile)
self.addWidget(self.filebtn)
def getfile(self):
if self.value.startswith('file'):
name = QFileDialog.getOpenFileName(None, 'Select file',
filter=self.value[5:])
if QT_LIB == 'PyQt5':
name, _filter = name
elif self.value == 'dir':
name = QFileDialog.getExistingDirectory(None, 'Select directory')
if name:
self.lineedit.setText(name)
def text(self):
return self.lineedit.text()
def setStyleSheet(self, style):
self.lineedit.setStyleSheet(style)
class SliderLayout(QHBoxLayout):
"""QSlider with QLabel"""
def __init__(self, value, parent=None):
QHBoxLayout.__init__(self)
index = value.find('@')
if index != -1:
value, default = value[:index], int(value[index+1:])
else:
default = False
parsed = value.split(':')
self.slider = QSlider(Qt.Horizontal)
if parsed[-1] == '':
self.slider.setTickPosition(2)
parsed.pop(-1)
if len(parsed) == 2:
self.slider.setMaximum(int(parsed[1]))
elif len(parsed) == 3:
self.slider.setMinimum(int(parsed[1]))
self.slider.setMaximum(int(parsed[2]))
if default:
self.slider.setValue(default) # always set value in last
if SIGNAL is None:
self.slider.valueChanged.connect(self.update)
else:
self.connect(self.slider, SIGNAL("valueChanged(int)"), self.update)
self.cpt = QLabel(str(self.value()))
self.addWidget(self.slider)
self.addWidget(self.cpt)
def update(self):
self.cpt.setText(str(self.value()))
def value(self):
return self.slider.value()
def setStyleSheet(self, style):
self.slider.setStyleSheet(style)
self.cpt.setStyleSheet(style)
class RadioLayout(QVBoxLayout):
"""Radio buttons layout with QButtonGroup"""
def __init__(self, buttons, index, parent=None):
QVBoxLayout.__init__(self)
self.setSpacing(0)
self.group = QButtonGroup()
for i, button in enumerate(buttons):
btn = QRadioButton(button)
if i == index:
btn.setChecked(True)
self.addWidget(btn)
self.group.addButton(btn, i)
def currentIndex(self):
return self.group.checkedId()
def setStyleSheet(self, style):
for btn in self.group.buttons():
btn.setStyleSheet(style)
class CheckLayout(QVBoxLayout):
"""Check boxes layout with QButtonGroup"""
def __init__(self, boxes, checks, parent=None):
QVBoxLayout.__init__(self)
self.setSpacing(0)
self.group = QButtonGroup()
self.group.setExclusive(False)
for i, (box, check) in enumerate(zip(boxes, checks)):
cbx = QCheckBox(box)
cbx.setChecked(eval(check))
self.addWidget(cbx)
self.group.addButton(cbx, i)
def values(self):
return [cbx.isChecked() for cbx in self.group.buttons()]
def setStyleSheet(self, style):
for cbx in self.group.buttons():
cbx.setStyleSheet(style)
class PushLayout(QHBoxLayout):
"""Push buttons horizontal layout"""
def __init__(self, buttons, parent=None):
QHBoxLayout.__init__(self)
self.result = parent.result
self.dialog = parent.get_dialog()
for button in buttons:
label, callback = button
self.btn = QPushButton(label)
if SIGNAL is None:
self.btn.clicked.connect(self.call(callback))
else:
self.connect(self.btn, SIGNAL("clicked()"), self.call(callback))
self.addWidget(self.btn)
def call(self, callback):
return lambda: self.apply(callback)
def apply(self, callback):
if self.result == 'XML':
app = ET.Element('App')
app.attrib['title'] = self.dialog.title
child = ET.fromstring(self.dialog.formwidget.get())
app.append(child)
callback(ET.tostring(app),
self.dialog.formwidget.get_widgets())
else:
callback(self.dialog.formwidget.get(),
self.dialog.formwidget.get_widgets())
class CountLayout(QHBoxLayout):
"""Field with a QSpinBox"""
def __init__(self, field, parent=None):
QHBoxLayout.__init__(self)
self.field = field
self.count = QSpinBox()
self.count.setFixedWidth(45)
self.addWidget(self.field)
self.addWidget(self.count)
def text(self):
return self.field.text()
def currentIndex(self):
return self.field.currentIndex()
def n(self):
return self.count.value()
def setStyleSheet(self, style):
self.field.setStyleSheet(style)
self.count.setStyleSheet(style)
def font_is_installed(font):
"""Check if font is installed"""
return [fam for fam in QFontDatabase().families()
if to_text_string(fam) == font]
def tuple_to_qfont(tup):
"""
Create a QFont from tuple:
(family [string], size [int], italic [bool], bold [bool])
"""
if not isinstance(tup, tuple) or len(tup) != 4 \
or not is_text_string(tup[0]) \
or not isinstance(tup[1], int) \
or not isinstance(tup[2], bool) \
or not isinstance(tup[3], bool):
return None
font = QFont()
family, size, italic, bold = tup
font.setFamily(family)
font.setPointSize(size)
font.setItalic(italic)
font.setBold(bold)
return font
def qfont_to_tuple(font):
return (to_text_string(font.family()), int(font.pointSize()),
font.italic(), font.bold())
class FontLayout(QGridLayout):
"""Font selection"""
def __init__(self, value, parent=None):
QGridLayout.__init__(self)
if not font_is_installed(value[0]):
print("Warning: Font `%s` is not installed" % value[0],
file=sys.stderr)
font = tuple_to_qfont(value)
assert font is not None
# Font family
self.family = QFontComboBox(parent)
self.family.setCurrentFont(font)
self.addWidget(self.family, 0, 0, 1, -1)
# Font size
self.size = QComboBox(parent)
self.size.setEditable(True)
sizelist = list(range(6, 12)) + list(range(12, 30, 2)) + [36, 48, 72]
size = font.pointSize()
if size not in sizelist:
sizelist.append(size)
sizelist.sort()
self.size.addItems([str(s) for s in sizelist])
self.size.setCurrentIndex(sizelist.index(size))
self.addWidget(self.size, 1, 0)
# Italic or not
self.italic = QCheckBox(self.tr("Italic"), parent)
self.italic.setChecked(font.italic())
self.addWidget(self.italic, 1, 1)
# Bold or not
self.bold = QCheckBox(self.tr("Bold"), parent)
self.bold.setChecked(font.bold())
self.addWidget(self.bold, 1, 2)
def get_font(self):
font = self.family.currentFont()
font.setItalic(self.italic.isChecked())
font.setBold(self.bold.isChecked())
font.setPointSize(int(self.size.currentText()))
return qfont_to_tuple(font)
def setStyleSheet(self, style):
self.family.setStyleSheet(style)
self.size.setStyleSheet(style)
self.italic.setStyleSheet(style)
self.bold.setStyleSheet(style)
def is_float_valid(edit):
text = edit.text()
state = edit.validator().validate(text, 0)[0]
return state == QDoubleValidator.Acceptable
def is_required_valid(edit, widget_color):
required_color = "background-color:rgb(255, 175, 90);"
if widget_color:
widget_color = "background-color:" + widget_color + ";"
else:
widget_color = ""
if isinstance(edit, (QLineEdit, FileLayout)):
if edit.text():
edit.setStyleSheet(widget_color)
return True
else:
edit.setStyleSheet(required_color)
elif isinstance(edit, (QComboBox, RadioLayout)):
if edit.currentIndex() != -1:
edit.setStyleSheet(widget_color)
return True
else:
edit.setStyleSheet(required_color)
elif isinstance(edit, QTextEdit):
if edit.toPlainText():
edit.setStyleSheet(widget_color)
return True
else:
edit.setStyleSheet(required_color)
return False
class FormWidget(QWidget):
def __init__(self, data, comment="", parent=None):
QWidget.__init__(self, parent)
from copy import deepcopy
self.data = deepcopy(data)
self.result = parent.result
self.type = parent.type
self.widget_color = parent.widget_color
self.widgets = []
self.formlayout = QFormLayout(self)
if comment:
self.formlayout.addRow(QLabel(comment))
self.formlayout.addRow(QLabel(" "))
if DEBUG_FORMLAYOUT:
print("\n"+("*"*80))
print("DATA:", self.data)
print("*"*80)
print("COMMENT:", comment)
print("*"*80)
def get_dialog(self):
"""Return FormDialog instance"""
dialog = self.parent()
while not isinstance(dialog, QDialog):
dialog = dialog.parent()
return dialog
def setup(self):
for label, value in self.data:
if DEBUG_FORMLAYOUT:
print("value:", value)
if label is None and value is None:
# Separator: (None, None)
separator = QFrame()
separator.setFrameShape(QFrame.HLine)
separator.setFrameShadow(QFrame.Sunken)
self.formlayout.addRow(separator)
self.widgets.append(None)
continue
if label is None:
if isinstance(value, (list, tuple)):
field = PushLayout(value, self)
self.formlayout.addRow(field)
else:
img_fmt = tuple(['.'+str(bytes(ext.data() if QT_LIB == "PySide" or QT_LIB == "PySide2" else ext).decode())
for ext in QImageReader.supportedImageFormats()])
if value.endswith(img_fmt):
# Image
pixmap = QPixmap(value)
lab = QLabel()
lab.setPixmap(pixmap)
self.formlayout.addRow(lab)
else:
# Comment
self.formlayout.addRow(QLabel(value))
self.widgets.append(None)
continue
if tuple_to_qfont(value) is not None:
field = FontLayout(value, self)
elif text_to_qcolor(value).isValid():
field = ColorLayout(QColor(value), self)
elif is_text_string(value):
if value in ['file', 'dir'] or value.startswith('file:'):
field = FileLayout(value, self)
elif value == 'slider' or value.startswith('slider:') \
or value.startswith('slider@'):
field = SliderLayout(value, self)
elif value == 'password':
field = QLineEdit(self)
field.setEchoMode(QLineEdit.Password)
elif value in ['calendar', 'calendarM'] \
or value.startswith(('calendar:', 'calendarM:')) \
or value.startswith(('calendar@', 'calendarM@')):
index = value.find('@')
if index != -1:
value, date = value[:index], value[index+1:]
else:
date = False
field = QCalendarWidget(self)
field.setVerticalHeaderFormat(field.NoVerticalHeader)
parsed = value.split(':')
if parsed[-1] == '':
field.setGridVisible(True)
parsed.pop(-1)
if parsed[0] == 'calendarM':
field.setFirstDayOfWeek(Qt.Monday)
if len(parsed) == 2:
field.setMaximumDate(datetime.date(*eval(parsed[1])))
elif len(parsed) == 3:
field.setMinimumDate(datetime.date(*eval(parsed[1])))
field.setMaximumDate(datetime.date(*eval(parsed[2])))
if date:
field.setSelectedDate(datetime.date(*eval(date)))
elif '\n' in value:
if value == '\n':
value = ''
for linesep in (os.linesep, '\n'):
if linesep in value:
value = value.replace(linesep, u("\u2029"))
field = QTextEdit(value, self)
else:
field = QLineEdit(value, self)
elif isinstance(value, (list, tuple)) and is_text_string(value[0])\
and value[0].startswith('0b'):
field = CheckLayout(value[1:], value[0][2:], self)
elif isinstance(value, (list, tuple)):
save_value = value
value = list(value) # always needed to protect self.data
selindex = value.pop(0)
if isinstance(selindex, int):
selindex = selindex - 1
if isinstance(value[0], (list, tuple)):
keys = [ key for key, _val in value ]
value = [ val for _key, val in value ]
else:
keys = value
if selindex in value:
selindex = value.index(selindex)
elif selindex in keys:
selindex = keys.index(selindex)
elif not isinstance(selindex, int):
print("Warning: '%s' index is invalid (label: "\
"%s, value: %s)" % (selindex, label, value),
file=STDERR)
selindex = -1
if isinstance(save_value, list):
field = QComboBox(self)
field.addItems(value)
field.setCurrentIndex(selindex)
elif isinstance(save_value, tuple):
field = RadioLayout(value, selindex, self)
elif isinstance(value, bool):
field = QCheckBox(self)
field.setChecked(value)
elif isinstance(value, float):
field = QLineEdit(QLocale().toString(value), self)
field.setValidator(QDoubleValidator(field))
dialog = self.get_dialog()
dialog.register_float_field(field)
if SIGNAL is None:
field.textChanged.connect(dialog.float_valid)
else:
self.connect(field, SIGNAL('textChanged(QString)'),
dialog.float_valid)
elif isinstance(value, int):
field = QSpinBox(self)
field.setRange(-1e9, 1e9)
field.setValue(value)
elif isinstance(value, datetime.datetime):
field = QDateTimeEdit(self)
field.setDateTime(value)
elif isinstance(value, datetime.date):
field = QDateEdit(self)
field.setDate(value)
elif isinstance(value, datetime.time):
field = QTimeEdit(self)
field.setTime(value)
else:
field = QLineEdit(repr(value), self)
# Eventually catching the 'countfield' feature and processing it
if label.startswith('n '):
label = label[2:]
if isinstance(field, QLineEdit) and is_text_string(value) or\
isinstance(field, QComboBox):
field = CountLayout(field)
else:
print("Warning: '%s' doesn't support 'nfield' feature"\
% label, file=STDERR)
# Eventually extracting tooltip from label and processing it
index = label.find('::')
if index != -1:
label, tooltip = label[:index], label[index+2:]
field.setToolTip(tooltip)
# Eventually catching the 'required' feature and processing it
if label.endswith(' *'):
label = label[:-1] + '<font color="red">*</font>'
if isinstance(field, (QLineEdit, QTextEdit, QComboBox,
FileLayout, RadioLayout)):
dialog = self.get_dialog()
dialog.register_required_field(field)
else:
print("Warning: '%s' doesn't support 'required' feature"\
% type(field), file=STDERR)
if isinstance(field, QLineEdit):
if SIGNAL is None:
field.textChanged.connect(dialog.required_valid)
else:
self.connect(field, SIGNAL('textChanged(QString)'),
dialog.required_valid)
elif isinstance(field, QTextEdit):
if SIGNAL is None:
field.textChanged.connect(dialog.required_valid)
else:
self.connect(field, SIGNAL('textChanged()'),
dialog.required_valid)
elif isinstance(field, QComboBox):
if SIGNAL is None:
field.currentIndexChanged.connect(\
dialog.required_valid)
else:
self.connect(field,
SIGNAL('currentIndexChanged(QString)'),
dialog.required_valid)
elif isinstance(field, FileLayout):
if SIGNAL is None:
field.lineedit.textChanged.connect(\
dialog.required_valid)
else:
self.connect(field.lineedit,
SIGNAL('textChanged(QString)'),
dialog.required_valid)
elif isinstance(field, RadioLayout):
if SIGNAL is None:
field.group.buttonClicked.connect(\
dialog.required_valid)
else:
self.connect(field.group, SIGNAL('buttonClicked(int)'),
dialog.required_valid)
# Eventually setting the widget_color
if self.widget_color:
style = "background-color:" + self.widget_color + ";"
field.setStyleSheet(style)
if self.type == 'form':
self.formlayout.addRow(label, field)
elif self.type == 'questions':
self.formlayout.addRow(QLabel(label))
self.formlayout.addRow(field)
self.widgets.append(field)
def get(self):
valuelist = []
for index, (label, value) in enumerate(self.data):
field = self.widgets[index]
if label is None:
# Separator / Comment
continue
if label.startswith('n '):
label = label[2:]
if tuple_to_qfont(value) is not None:
value = field.get_font()
elif is_text_string(value):
if isinstance(field, QTextEdit):
value = to_text_string(field.toPlainText()
).replace(u("\u2029"), os.linesep)
elif isinstance(field, SliderLayout):
value = field.value()
elif isinstance(field, QCalendarWidget):
value = field.selectedDate()
try:
value = value.toPyDate() # PyQt
except AttributeError:
value = value.toPython() # PySide
else:
value = to_text_string(field.text())
elif isinstance(field, CheckLayout):
value = field.values()
elif isinstance(value, (list, tuple)):
index = int(field.currentIndex())
if isinstance(value[0], int):
# Return an int index, if initialization was an int
value = index + 1
else:
value = value[index+1]
if isinstance(value, (list, tuple)):
value = value[0]
elif isinstance(value, bool):
value = field.checkState() == Qt.Checked
elif isinstance(value, float):
value = float(QLocale().toDouble(field.text())[0])
elif isinstance(value, int):
value = int(field.value())
elif isinstance(value, datetime.datetime):
value = field.dateTime()
try:
value = value.toPyDateTime() # PyQt
except AttributeError:
value = value.toPython() # PySide
elif isinstance(value, datetime.date):
value = field.date()
try:
value = value.toPyDate() # PyQt
except AttributeError:
value = value.toPython() # PySide
elif isinstance(value, datetime.time):
value = field.time()
try:
value = value.toPyTime() # PyQt
except AttributeError:
value = value.toPython() # PySide
else:
value = eval(str(field.text()))
if isinstance(field, CountLayout):
value = (value, field.n())
valuelist.append((label, value))
if self.result == 'list':
return [value for label, value in valuelist]
elif self.result in ['dict', 'OrderedDict', 'JSON']:
if self.result == 'dict':
dic = {}
else:
dic = OrderedDict()
for label, value in valuelist:
if label in dic.keys():
print("Warning: '%s' is duplicate and '%s' doesn't "\
"handle it, you should use 'list' or 'XML' instead"\
% (label, self.result), file=STDERR)
if isinstance(value, (datetime.date, datetime.time,
datetime.datetime)) and self.result == 'JSON':
dic[label] = value.isoformat()
else:
dic[label] = value
if self.result == 'JSON':
return json.dumps(dic)
else:
return dic
elif self.result == 'XML':
form = ET.Element('Form')
for label, value in valuelist:
tooltip = ''
index = label.find('::')
if index != -1:
label, tooltip = label[:index], label[index+2:]
required = 'false'
if label.endswith(' *'):
label = label[:-2]
required = 'true'
child = ET.SubElement(form, label)
if isinstance(value, tuple):
child.text = to_text_string(value[0])
child.attrib['amount'] = to_text_string(value[1])
else:
if isinstance(value, datetime.datetime):
child.text = value.isoformat()
else:
child.text = to_text_string(value)
child.attrib['tooltip'] = tooltip
child.attrib['required'] = required
return ET.tostring(form)
def get_widgets(self):
return self.widgets
class FormComboWidget(QWidget):
def __init__(self, datalist, comment="", parent=None):
QWidget.__init__(self, parent)
layout = QVBoxLayout()
self.setLayout(layout)
self.combobox = QComboBox()
layout.addWidget(self.combobox)
self.stackwidget = QStackedWidget(self)
layout.addWidget(self.stackwidget)
if SIGNAL is None:
self.combobox.currentIndexChanged.connect(
self.stackwidget.setCurrentIndex)
else:
self.connect(self.combobox, SIGNAL("currentIndexChanged(int)"),
self.stackwidget, SLOT("setCurrentIndex(int)"))
self.result = parent.result
self.widget_color = parent.widget_color
if self.widget_color:
style = "background-color:" + self.widget_color + ";"
self.combobox.setStyleSheet(style)
self.type = parent.type
self.widgetlist = []
for data, title, comment in datalist:
self.combobox.addItem(title)
widget = FormWidget(data, comment=comment, parent=self)
self.stackwidget.addWidget(widget)
self.widgetlist.append((title, widget))
def setup(self):
for title, widget in self.widgetlist:
widget.setup()
def get(self):
if self.result == 'list':
return [widget.get() for title, widget in self.widgetlist]
elif self.result in ['dict', 'OrderedDict', 'JSON']:
if self.result == 'dict':
dic = {}
else:
dic = OrderedDict()
for title, widget in self.widgetlist:
if self.result == 'JSON':
dic[title] = json.loads(widget.get(),
object_pairs_hook=OrderedDict)
else:
dic[title] = widget.get()
if self.result == 'JSON':
return json.dumps(dic)
else:
return dic
elif self.result == 'XML':
combos = ET.Element('Combos')
for title, widget in self.widgetlist:
combo = ET.SubElement(combos, 'Combo')
combo.attrib['title'] = title
child = ET.fromstring(widget.get())
combo.append(child)
return ET.tostring(combos)
def get_widgets(self):
widgets = []
for title, widget in self.widgetlist:
widgets.extend(widget.get_widgets())
return widgets
class FormTabWidget(QWidget):
def __init__(self, datalist, comment="", parent=None):
QWidget.__init__(self, parent)
layout = QVBoxLayout()
self.tabwidget = QTabWidget()
layout.addWidget(self.tabwidget)
self.setLayout(layout)
self.result = parent.result
self.widget_color = parent.widget_color
self.type = parent.type
self.widgetlist = []
for data, title, comment in datalist:
if len(data[0])==3:
widget = FormComboWidget(data, comment=comment, parent=self)
else:
widget = FormWidget(data, comment=comment, parent=self)
index = self.tabwidget.addTab(widget, title)
self.tabwidget.setTabToolTip(index, comment)
self.widgetlist.append((title, widget))
def setup(self):
for title, widget in self.widgetlist:
widget.setup()
def get(self):
if self.result == 'list':
return [widget.get() for title, widget in self.widgetlist]
elif self.result in ['dict', 'OrderedDict', 'JSON']:
if self.result == 'dict':
dic = {}
else:
dic = OrderedDict()
for title, widget in self.widgetlist:
if self.result == 'JSON':
dic[title] = json.loads(widget.get(),
object_pairs_hook=OrderedDict)
else:
dic[title] = widget.get()
if self.result == 'JSON':
return json.dumps(dic)
else:
return dic