def create_toolbutton(parent,
text=None,
shortcut=None,
icon=None,
tip=None,
toggled=None,
triggered=None,
autoraise=True,
text_beside_icon=False):
"""Create a QToolButton"""
button = QToolButton(parent)
if text is not None:
button.setText(text)
if icon is not None:
if is_text_string(icon):
icon = get_icon(icon)
button.setIcon(icon)
if text is not None or tip is not None:
button.setToolTip(text if tip is None else tip)
if text_beside_icon:
button.setToolButtonStyle(Qt.ToolButtonTextBesideIcon)
button.setAutoRaise(autoraise)
if triggered is not None:
button.clicked.connect(triggered)
if toggled is not None:
button.toggled.connect(toggled)
button.setCheckable(True)
if shortcut is not None:
button.setShortcut(shortcut)
return button
def create_toolbutton(parent, text=None, shortcut=None, icon=None, tip=None,
toggled=None, triggered=None,
autoraise=True, text_beside_icon=False):
"""Create a QToolButton"""
button = QToolButton(parent)
if text is not None:
button.setText(text)
if icon is not None:
if is_text_string(icon):
icon = get_icon(icon)
button.setIcon(icon)
if text is not None or tip is not None:
button.setToolTip(text if tip is None else tip)
if text_beside_icon:
button.setToolButtonStyle(Qt.ToolButtonTextBesideIcon)
button.setAutoRaise(autoraise)
if triggered is not None:
QObject.connect(button, SIGNAL('clicked()'), triggered)
if toggled is not None:
QObject.connect(button, SIGNAL("toggled(bool)"), toggled)
button.setCheckable(True)
if shortcut is not None:
button.setShortcut(shortcut)
return button
class NumpyArrayDialog(QDialog):
""" """
def __init__(self, parent, inline=True, offset=0):
QDialog.__init__(self, parent)
self._parent = parent
self._text = None
self._valid = None
self._offset = offset
# TODO: add this as an option in the General Preferences?
self._force_float = False
self._help_inline = _("""
<b>Numpy Array/Matrix Helper</b><br>
Type an array in Matlab : <code>[1 2;3 4]</code><br>
or Spyder simplified syntax : <code>1 2;3 4</code>
<br><br>
Hit 'Enter' for array or 'Ctrl+Enter' for matrix.
<br><br>
<b>Hint:</b><br>
Use two spaces or two tabs to generate a ';'.
""")
self._help_table = _("""
<b>Numpy Array/Matrix Helper</b><br>
Enter an array in the table. <br>
Use Tab to move between cells.
<br><br>
Hit 'Enter' for array or 'Ctrl+Enter' for matrix.
<br><br>
<b>Hint:</b><br>
Use two tabs at the end of a row to move to the next row.
""")
# widgets
self._button_warning = QToolButton()
self._button_help = HelperToolButton()
self._button_help.setIcon(ima.icon('MessageBoxInformation'))
style = """
QToolButton {
border: 1px solid grey;
padding:0px;
border-radius: 2px;
background-color: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,
stop: 0 #f6f7fa, stop: 1 #dadbde);
}
"""
self._button_help.setStyleSheet(style)
if inline:
self._button_help.setToolTip(self._help_inline)
self._text = NumpyArrayInline(self)
self._widget = self._text
else:
self._button_help.setToolTip(self._help_table)
self._table = NumpyArrayTable(self)
self._widget = self._table
style = """
QDialog {
margin:0px;
border: 1px solid grey;
padding:0px;
border-radius: 2px;
}"""
self.setStyleSheet(style)
style = """
QToolButton {
margin:1px;
border: 0px solid grey;
padding:0px;
border-radius: 0px;
}"""
self._button_warning.setStyleSheet(style)
# widget setup
self.setWindowFlags(Qt.Window | Qt.Dialog | Qt.FramelessWindowHint)
self.setModal(True)
self.setWindowOpacity(0.90)
self._widget.setMinimumWidth(200)
# layout
self._layout = QHBoxLayout()
self._layout.addWidget(self._widget)
self._layout.addWidget(self._button_warning, 1, Qt.AlignTop)
self._layout.addWidget(self._button_help, 1, Qt.AlignTop)
self.setLayout(self._layout)
self._widget.setFocus()
def keyPressEvent(self, event):
"""Override Qt method"""
QToolTip.hideText()
ctrl = event.modifiers() & Qt.ControlModifier
if event.key() in [Qt.Key_Enter, Qt.Key_Return]:
if ctrl:
self.process_text(array=False)
else:
self.process_text(array=True)
self.accept()
else:
QDialog.keyPressEvent(self, event)
def event(self, event):
if event.type() == QEvent.KeyPress and event.key() == Qt.Key_Tab:
return False
return QWidget.event(self, event)
def process_text(self, array=True):
""" """
if array:
prefix = 'np.array([['
else:
prefix = 'np.matrix([['
suffix = ']])'
values = self._widget.text().strip()
if values != '':
# cleans repeated spaces
exp = r'(\s*)' + ROW_SEPARATOR + r'(\s*)'
values = re.sub(exp, ROW_SEPARATOR, values)
values = re.sub("\s+", " ", values)
values = re.sub("]$", "", values)
values = re.sub("^\[", "", values)
values = re.sub(ROW_SEPARATOR + r'*$', '', values)
# replaces spaces by commas
values = values.replace(' ', ELEMENT_SEPARATOR)
# iterate to find number of rows and columns
new_values = []
rows = values.split(ROW_SEPARATOR)
nrows = len(rows)
ncols = []
for row in rows:
new_row = []
elements = row.split(ELEMENT_SEPARATOR)
ncols.append(len(elements))
for e in elements:
num = e
# replaces not defined values
if num in NAN_VALUES:
num = 'np.nan'
# Convert numbers to floating point
if self._force_float:
try:
num = str(float(e))
except:
pass
new_row.append(num)
new_values.append(ELEMENT_SEPARATOR.join(new_row))
new_values = ROW_SEPARATOR.join(new_values)
values = new_values
# Check validity
if len(set(ncols)) == 1:
self._valid = True
else:
self._valid = False
# Single rows are parsed as 1D arrays/matrices
if nrows == 1:
prefix = prefix[:-1]
suffix = suffix.replace("]])", "])")
# Fix offset
offset = self._offset
braces = BRACES.replace(' ',
'\n' + ' ' * (offset + len(prefix) - 1))
values = values.replace(ROW_SEPARATOR, braces)
text = "{0}{1}{2}".format(prefix, values, suffix)
self._text = text
else:
self._text = ''
self.update_warning()
def update_warning(self):
""" """
widget = self._button_warning
if not self.is_valid():
tip = _('Array dimensions not valid')
widget.setIcon(ima.icon('MessageBoxWarning'))
widget.setToolTip(tip)
QToolTip.showText(self._widget.mapToGlobal(QPoint(0, 5)), tip)
else:
self._button_warning.setToolTip('')
def is_valid(self):
""" """
return self._valid
def text(self):
""" """
return self._text
def mousePressEvent(self, event):
""" """
class NumpyArrayDialog(QDialog):
""" """
def __init__(self, parent, inline=True, offset=0):
QDialog.__init__(self, parent)
self._parent = parent
self._text = None
self._valid = None
self._offset = offset
# TODO: add this as an option in the General Preferences?
self._force_float = False
self._help_inline = _("""
<b>Numpy Array/Matrix Helper</b><br>
Type an array in Matlab : <code>[1 2;3 4]</code><br>
or Spyder simplified syntax : <code>1 2;3 4</code>
<br><br>
Hit 'Enter' for array or 'Ctrl+Enter' for matrix.
<br><br>
<b>Hint:</b><br>
Use two spaces or two tabs to generate a ';'.
""")
self._help_table = _("""
<b>Numpy Array/Matrix Helper</b><br>
Enter an array in the table. <br>
Use Tab to move between cells.
<br><br>
Hit 'Enter' for array or 'Ctrl+Enter' for matrix.
<br><br>
<b>Hint:</b><br>
Use two tabs at the end of a row to move to the next row.
""")
# widgets
self._button_warning = QToolButton()
self._button_help = HelperToolButton()
self._button_help.setIcon(ima.icon('MessageBoxInformation'))
style = """
QToolButton {
border: 1px solid grey;
padding:0px;
border-radius: 2px;
background-color: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1,
stop: 0 #f6f7fa, stop: 1 #dadbde);
}
"""
self._button_help.setStyleSheet(style)
if inline:
self._button_help.setToolTip(self._help_inline)
self._text = NumpyArrayInline(self)
self._widget = self._text
else:
self._button_help.setToolTip(self._help_table)
self._table = NumpyArrayTable(self)
self._widget = self._table
style = """
QDialog {
margin:0px;
border: 1px solid grey;
padding:0px;
border-radius: 2px;
}"""
self.setStyleSheet(style)
style = """
QToolButton {
margin:1px;
border: 0px solid grey;
padding:0px;
border-radius: 0px;
}"""
self._button_warning.setStyleSheet(style)
# widget setup
self.setWindowFlags(Qt.Window | Qt.Dialog | Qt.FramelessWindowHint)
self.setModal(True)
self.setWindowOpacity(0.90)
self._widget.setMinimumWidth(200)
# layout
self._layout = QHBoxLayout()
self._layout.addWidget(self._widget)
self._layout.addWidget(self._button_warning, 1, Qt.AlignTop)
self._layout.addWidget(self._button_help, 1, Qt.AlignTop)
self.setLayout(self._layout)
self._widget.setFocus()
def keyPressEvent(self, event):
"""Override Qt method"""
QToolTip.hideText()
ctrl = event.modifiers() & Qt.ControlModifier
if event.key() in [Qt.Key_Enter, Qt.Key_Return]:
if ctrl:
self.process_text(array=False)
else:
self.process_text(array=True)
self.accept()
else:
QDialog.keyPressEvent(self, event)
def event(self, event):
if event.type() == QEvent.KeyPress and event.key() == Qt.Key_Tab:
return False
return QWidget.event(self, event)
def process_text(self, array=True):
""" """
if array:
prefix = 'np.array([['
else:
prefix = 'np.matrix([['
suffix = ']])'
values = self._widget.text().strip()
if values != '':
# cleans repeated spaces
exp = r'(\s*)' + ROW_SEPARATOR + r'(\s*)'
values = re.sub(exp, ROW_SEPARATOR, values)
values = re.sub("\s+", " ", values)
values = re.sub("]$", "", values)
values = re.sub("^\[", "", values)
values = re.sub(ROW_SEPARATOR + r'*$', '', values)
# replaces spaces by commas
values = values.replace(' ', ELEMENT_SEPARATOR)
# iterate to find number of rows and columns
new_values = []
rows = values.split(ROW_SEPARATOR)
nrows = len(rows)
ncols = []
for row in rows:
new_row = []
elements = row.split(ELEMENT_SEPARATOR)
ncols.append(len(elements))
for e in elements:
num = e
# replaces not defined values
if num in NAN_VALUES:
num = 'np.nan'
# Convert numbers to floating point
if self._force_float:
try:
num = str(float(e))
except:
pass
new_row.append(num)
new_values.append(ELEMENT_SEPARATOR.join(new_row))
new_values = ROW_SEPARATOR.join(new_values)
values = new_values
# Check validity
if len(set(ncols)) == 1:
self._valid = True
else:
self._valid = False
# Single rows are parsed as 1D arrays/matrices
if nrows == 1:
prefix = prefix[:-1]
suffix = suffix.replace("]])", "])")
# Fix offset
offset = self._offset
braces = BRACES.replace(' ', '\n' + ' '*(offset + len(prefix) - 1))
values = values.replace(ROW_SEPARATOR, braces)
text = "{0}{1}{2}".format(prefix, values, suffix)
self._text = text
else:
self._text = ''
self.update_warning()
def update_warning(self):
""" """
widget = self._button_warning
if not self.is_valid():
tip = _('Array dimensions not valid')
widget.setIcon(ima.icon('MessageBoxWarning'))
widget.setToolTip(tip)
QToolTip.showText(self._widget.mapToGlobal(QPoint(0, 5)), tip)
else:
self._button_warning.setToolTip('')
def is_valid(self):
""" """
return self._valid
def text(self):
""" """
return self._text
def mousePressEvent(self, event):
""" """