def paint(self, painter, option, widget=None):
rect = self.rect()
if self.isSelected():
option.state ^= QStyle.State_Selected
font = self.document().defaultFont()
painter.setFont(font)
if self.parent:
draw_text = self.node_inst.description
if self.parent.x() > self.x(): # node is to the left
fm = QFontMetrics(font)
x = rect.width() / 2 - fm.width(draw_text) - 4
else:
x = rect.width() / 2 + 4
painter.drawText(QPointF(x, -self.line_descent - 1), draw_text)
painter.save()
painter.setBrush(self.backgroundBrush)
painter.setPen(QPen(Qt.black, 3 if self.isSelected() else 0))
adjrect = rect.adjusted(-3, 0, 0, 0)
if not self.node_inst.children:
painter.drawRoundedRect(adjrect, 4, 4)
else:
painter.drawRect(adjrect)
painter.restore()
painter.setClipRect(rect)
return QGraphicsTextItem.paint(self, painter, option, widget)
def __naturalsh(self):
fm = QFontMetrics(self.font())
spacing = self.__spacing
N = len(self.__items)
width = max((fm.width(text) for text in self.__items),
default=0)
height = N * fm.height() + (N - 1) * spacing
return QSizeF(width, height)
def update_contents(self):
self.prepareGeometryChange()
self.setTextWidth(-1)
self.setTextWidth(self.document().idealWidth())
self.droplet.setPos(self.rect().center().x(), self.rect().height())
self.droplet.setVisible(bool(self.branches))
fm = QFontMetrics(self.document().defaultFont())
attr = self.node_inst.attr
self.attr_text_w = fm.width(attr.name if attr else "")
self.attr_text_h = fm.lineSpacing()
self.line_descent = fm.descent()
if self.pie is not None:
self.pie.setPos(self.rect().right(), self.rect().center().y())
def update_contents(self):
self.prepareGeometryChange()
self.setTextWidth(-1)
self.setTextWidth(self.document().idealWidth())
self.droplet.setPos(self.rect().center().x(), self.rect().height())
self.droplet.setVisible(bool(self.branches))
fm = QFontMetrics(self.document().defaultFont())
attr = self.tree_adapter.attribute(self.node_inst)
self.attr_text_w = fm.width(attr.name if attr else "")
self.attr_text_h = fm.lineSpacing()
self.line_descent = fm.descent()
if self.pie is not None:
self.pie.setPos(self.rect().right(), self.rect().center().y())
def _update_points_labels(self):
if self.plotdata.points is None:
return
for point_label in self.plotdata.point_labels:
self.graph.plot_widget.removeItem(point_label)
self.plotdata.point_labels = []
sx, sy = self.graph.view_box.viewPixelSize()
for row in self.plotdata.points:
ti = TextItem()
metrics = QFontMetrics(ti.textItem.font())
text_width = ((RANGE.width())/2. - np.abs(row[0])) / sx
name = row[2].name
ti.setText(name)
ti.setTextWidth(text_width)
ti.setColor(QColor(0, 0, 0))
br = ti.boundingRect()
width = metrics.width(name) if metrics.width(name) < br.width() else br.width()
width = sx * (width + 5)
height = sy * br.height()
ti.setPos(row[0] - (row[0] < 0) * width, row[1] + (row[1] > 0) * height)
self.plotdata.point_labels.append(ti)
self.graph.plot_widget.addItem(ti)
def _update_points_labels(self):
if self.plotdata.points is None:
return
for point_label in self.plotdata.point_labels:
self.graph.plot_widget.removeItem(point_label)
self.plotdata.point_labels = []
sx, sy = self.graph.view_box.viewPixelSize()
for row in self.plotdata.points:
ti = TextItem()
metrics = QFontMetrics(ti.textItem.font())
text_width = ((RANGE.width())/2. - np.abs(row[0])) / sx
name = row[2].name
ti.setText(name)
ti.setTextWidth(text_width)
ti.setColor(QColor(0, 0, 0))
br = ti.boundingRect()
width = metrics.width(name) if metrics.width(name) < br.width() else br.width()
width = sx * (width + 5)
height = sy * br.height()
ti.setPos(row[0] - (row[0] < 0) * width, row[1] + (row[1] > 0) * height)
self.plotdata.point_labels.append(ti)
self.graph.plot_widget.addItem(ti)
def __init__(self, model, node_inst, parent=None):
super().__init__(parent)
self.model = model
self.node_inst = node_inst
fm = QFontMetrics(self.document().defaultFont())
attr = node_inst.attr
self.attr_text_w = fm.width(attr.name if attr else "")
self.attr_text_h = fm.lineSpacing()
self.line_descent = fm.descent()
self._rect = None
if model.domain.class_var.is_discrete:
self.pie = PieChart(node_inst.value, 8, self)
else:
self.pie = None
def __init__(self, model, node_inst, parent=None):
super().__init__(parent)
self.model = model
self.node_inst = node_inst
fm = QFontMetrics(self.document().defaultFont())
attr = node_inst.attr
self.attr_text_w = fm.width(attr.name if attr else "")
self.attr_text_h = fm.lineSpacing()
self.line_descent = fm.descent()
self._rect = None
if model.domain.class_var.is_discrete:
self.pie = PieChart(node_inst.value, 8, self)
else:
self.pie = None
def __init__(self, tree_adapter, node_inst, parent=None):
super().__init__(parent)
self.tree_adapter = tree_adapter
self.model = self.tree_adapter.model
self.node_inst = node_inst
fm = QFontMetrics(self.document().defaultFont())
attr = self.tree_adapter.attribute(node_inst)
self.attr_text_w = fm.width(attr.name if attr else "")
self.attr_text_h = fm.lineSpacing()
self.line_descent = fm.descent()
self._rect = None
if self.model.domain.class_var.is_discrete:
self.pie = PieChart(self.tree_adapter.get_distribution(node_inst)[0], 8, self)
else:
self.pie = None
def __init__(self, tree_adapter, node_inst, parent=None):
super().__init__(parent)
self.tree_adapter = tree_adapter
self.model = self.tree_adapter.model
self.node_inst = node_inst
fm = QFontMetrics(self.document().defaultFont())
attr = self.tree_adapter.attribute(node_inst)
self.attr_text_w = fm.width(attr.name if attr else "")
self.attr_text_h = fm.lineSpacing()
self.line_descent = fm.descent()
self._rect = None
if self.model.domain.class_var.is_discrete:
self.pie = PieChart(self.tree_adapter.get_distribution(node_inst)[0], 8, self)
else:
self.pie = None
def paintEvent(self, event):
super().paintEvent(event)
p = QPainter(self)
p.setRenderHint(QPainter.Antialiasing)
p.setBrush(self.indicator_color)
p.save()
p.setPen(Qt.NoPen)
fm = QFontMetrics(self.font())
width = self.rect().width()
height = fm.height() + 6
rect = QRectF(0, 0, width, height)
p.drawRoundedRect(rect, 5, 5)
p.restore()
textstart = (width - fm.width(self.indicator_text)) / 2
p.drawText(textstart, height / 2 + 5, self.indicator_text)
def minimumSizeHint(self):
fm = QFontMetrics(self.font())
width = round(fm.width(self.indicator_text)) + 10
height = fm.height() + 6
return QSize(width, height)
def _load_code_editor_settings(self):
"""
Load settings on the code editor like, font style, margins, scroll, etc.
Based on the example from http://eli.thegreenplace.net/2011/04/01/sample-using-qscintilla-with-pyqt/
"""
item = self.form.font_size.currentText()
size = int(item)
# Set the default font
font = QFont()
font.setFamily('Courier')
font.setFixedPitch(True)
font.setPointSize(size)
self._code_editor.setFont(font)
self._code_editor.setMarginsFont(font)
# Margin 0 is used for line numbers
fontmetrics = QFontMetrics(font)
self._code_editor.setMarginsFont(font)
self._code_editor.setMarginWidth(0, fontmetrics.width("00000") + 6)
self._code_editor.setMarginLineNumbers(0, True)
self._code_editor.setMarginsBackgroundColor(QColor("#cccccc"))
# Clickable margin 1 for showing markers
self._code_editor.setMarginSensitivity(1, True)
self._code_editor.marginClicked.connect(self.on_margin_clicked)
self._code_editor.markerDefine(QsciScintilla.RightArrow,
self.ARROW_MARKER_NUM)
self._code_editor.setMarkerBackgroundColor(QColor("#ee1111"),
self.ARROW_MARKER_NUM)
# Detect changes to text
self._code_editor.modificationChanged.connect(
self.on_modification_changed)
# Brace matching: enable for a brace immediately before or after the current position
self._code_editor.setBraceMatching(QsciScintilla.SloppyBraceMatch)
# Current line visible with special background color
self._code_editor.setCaretLineVisible(True)
self._code_editor.setCaretLineBackgroundColor(QColor("#ffe4e4"))
# Set Python lexer
# Set style for Python comments (style number 1) to a fixed-width Courier.
lexer = self.lexer()
lexer.setDefaultFont(font)
self._code_editor.setLexer(lexer)
self._code_editor.setIndentationWidth(4)
# self._code_editor.SendScintilla(QsciScintilla.SCI_STYLESETFONT, 1, 'Courier')
self._code_editor.SendScintilla(QsciScintilla.SCI_STYLESETFONT, 1)
# Don't want to see the horizontal scrollbar at all
# Use raw message to Scintilla here (all messages are documented here: http://www.scintilla.org/ScintillaDoc.html)
self._code_editor.SendScintilla(QsciScintilla.SCI_SETHSCROLLBAR, 0)
self._lexer_obj = lexer
self.qsci_api = QsciAPIs(self._lexer_obj)
## Add autocompletion strings
self.qsci_api.add("aLongString")
self.qsci_api.add("aLongerString")
self.qsci_api.add("aDifferentString")
self.qsci_api.add("sOmethingElse")
## Compile the api for use in the lexer
self.qsci_api.prepare()
self._code_editor.setAutoCompletionThreshold(1)
self._code_editor.setAutoCompletionSource(QsciScintilla.AcsAll)
def paint(self, painter, option, index):
image_space = 5
icon = index.data(Qt.DecorationRole)
gene_obj = index.data(Qt.DisplayRole)
bold_font = QFont()
bold_font.setBold(True)
fm = QFontMetrics(QFont())
input_name_str = 'Input name: '
type_of_match_str = 'Input type: '
gene_id_str = 'Gene ID: '
if not icon.isNull():
# paint icon
icon.paint(
painter,
option.rect.adjusted(image_space, image_space, -image_space,
-image_space),
Qt.AlignVCenter | Qt.AlignLeft)
# if image is set, change space variable
image_space = 55
# paint gene object data
# input string
r = option.rect.adjusted(image_space, 7, 0,
0) # left, top, width and height
painter.setFont(bold_font)
painter.drawText(r.left(), r.top(), r.width(), r.height(),
Qt.AlignLeft, input_name_str)
painter.setFont(QFont())
painter.drawText(r.left() + fm.width(input_name_str), r.top(),
r.width(), r.height(), Qt.AlignLeft,
str(gene_obj.input_name))
# gene id string
r = option.rect.adjusted(image_space, 22, 0,
0) # left, top, width and height
painter.setFont(bold_font)
painter.drawText(r.left(), r.top(), r.width(), r.height(),
Qt.AlignLeft, type_of_match_str)
painter.setFont(QFont())
painter.drawText(
r.left() + fm.width(input_name_str), r.top(), r.width(),
r.height(), Qt.AlignLeft,
str(gene_obj.type_of_match)
if gene_obj.type_of_match else 'Unknown')
# type of match string
r = option.rect.adjusted(image_space, 37, 0,
0) # left, top, width and height
painter.setFont(bold_font)
painter.drawText(r.left(), r.top(), r.width(), r.height(),
Qt.AlignLeft, gene_id_str)
painter.setFont(QFont())
painter.drawText(
r.left() + fm.width(input_name_str), r.top(), r.width(),
r.height(), Qt.AlignLeft,
str(gene_obj.ncbi_id) if gene_obj.ncbi_id else 'Unknown')
