def __init__(self, parent, initial_data):
super().__init__(parent)
model = itemmodels.ContinuousPalettesModel(icon_width=128)
self.setModel(model)
self.setCurrentIndex(model.indexOf(initial_data))
self.setIconSize(QSize(128, 16))
QTimer.singleShot(0, self.showPopup)
def palette_combo_box(initial_palette):
from Orange.widgets.utils import itemmodels
cb = QComboBox()
model = itemmodels.ContinuousPalettesModel()
cb.setModel(model)
cb.setCurrentIndex(model.indexOf(initial_palette))
cb.setIconSize(QSize(64, 16))
return cb
def __init__(self, *args, thresholds=(0.0, 1.0), **kwargs):
super().__init__(*args, **kwargs)
low = round(clip(thresholds[0], 0., 1.), 2)
high = round(clip(thresholds[1], 0., 1.), 2)
high = max(low, high)
self.__threshold_low, self.__threshold_high = low, high
form = QFormLayout(
formAlignment=Qt.AlignLeft,
labelAlignment=Qt.AlignLeft,
fieldGrowthPolicy=QFormLayout.AllNonFixedFieldsGrow
)
form.setContentsMargins(0, 0, 0, 0)
self.gradient_cb = QComboBox(
None, objectName="gradient-combo-box",
)
self.gradient_cb.setAttribute(Qt.WA_LayoutUsesWidgetRect)
icsize = self.style().pixelMetric(
QStyle.PM_SmallIconSize, None, self.gradient_cb
)
self.gradient_cb.setIconSize(QSize(64, icsize))
model = itemmodels.ContinuousPalettesModel()
model.setParent(self)
self.gradient_cb.setModel(model)
self.gradient_cb.activated[int].connect(self.activated)
self.gradient_cb.currentIndexChanged.connect(self.currentIndexChanged)
slider_low = QSlider(
objectName="threshold-low-slider", minimum=0, maximum=100,
value=int(low * 100), orientation=Qt.Horizontal,
tickPosition=QSlider.TicksBelow, pageStep=10,
toolTip=self.tr("Low gradient threshold"),
whatsThis=self.tr("Applying a low threshold will squeeze the "
"gradient from the lower end")
)
slider_high = QSlider(
objectName="threshold-low-slider", minimum=0, maximum=100,
value=int(high * 100), orientation=Qt.Horizontal,
tickPosition=QSlider.TicksAbove, pageStep=10,
toolTip=self.tr("High gradient threshold"),
whatsThis=self.tr("Applying a high threshold will squeeze the "
"gradient from the higher end")
)
form.setWidget(0, QFormLayout.SpanningRole, self.gradient_cb)
form.addRow(self.tr("Low:"), slider_low)
form.addRow(self.tr("High:"), slider_high)
self.slider_low = slider_low
self.slider_high = slider_high
self.slider_low.valueChanged.connect(self.__on_slider_low_moved)
self.slider_high.valueChanged.connect(self.__on_slider_high_moved)
self.setLayout(form)
def test_center_visibility(self):
w = ColorGradientSelection(center=0)
w.center_box.setVisible = Mock()
model = itemmodels.ContinuousPalettesModel()
w.setModel(model)
for row in range(model.rowCount(QModelIndex())):
palette = model.data(model.index(row, 0), Qt.UserRole)
if palette:
if palette.flags & palette.Diverging:
diverging = row
else:
nondiverging = row
w.setCurrentIndex(diverging)
w.center_box.setVisible.assert_called_with(True)
w.setCurrentIndex(nondiverging)
w.center_box.setVisible.assert_called_with(False)
w.setCurrentIndex(diverging)
w.center_box.setVisible.assert_called_with(True)
w = ColorGradientSelection()
self.assertIsNone(w.center_box)
def __init__(self):
super().__init__()
self.matrix = None
self._matrix_range = 0.
self._tree = None
self._ordered_tree = None
self._sorted_matrix = None
self._sort_indices = None
self._selection = None
self.sorting_cb = gui.comboBox(
self.controlArea,
self,
"sorting",
box="Element Sorting",
items=["None", "Clustering", "Clustering with ordered leaves"],
callback=self._invalidate_ordering)
box = gui.vBox(self.controlArea, "Colors")
self.color_map_widget = cmw = ColorGradientSelection(
thresholds=(self.color_low, self.color_high), )
model = itemmodels.ContinuousPalettesModel(parent=self)
cmw.setModel(model)
idx = cmw.findData(self.palette_name, model.KeyRole)
if idx != -1:
cmw.setCurrentIndex(idx)
cmw.activated.connect(self._update_color)
def _set_thresholds(low, high):
self.color_low, self.color_high = low, high
self._update_color()
cmw.thresholdsChanged.connect(_set_thresholds)
box.layout().addWidget(self.color_map_widget)
self.annot_combo = gui.comboBox(self.controlArea,
self,
"annotation_idx",
box="Annotations",
contentsLength=12,
searchable=True,
callback=self._invalidate_annotations)
self.annot_combo.setModel(itemmodels.VariableListModel())
self.annot_combo.model()[:] = ["None", "Enumeration"]
gui.rubber(self.controlArea)
gui.auto_send(self.buttonsArea, self, "autocommit")
self.view = GraphicsView(background=None)
self.mainArea.layout().addWidget(self.view)
self.grid_widget = pg.GraphicsWidget()
self.grid = QGraphicsGridLayout()
self.grid_widget.setLayout(self.grid)
self.gradient_legend = GradientLegendWidget(0, 1, self._color_map())
self.gradient_legend.setSizePolicy(QSizePolicy.Preferred,
QSizePolicy.Fixed)
self.gradient_legend.setMaximumWidth(250)
self.grid.addItem(self.gradient_legend, 0, 1)
self.viewbox = pg.ViewBox(enableMouse=False, enableMenu=False)
self.viewbox.setAcceptedMouseButtons(Qt.NoButton)
self.viewbox.setAcceptHoverEvents(False)
self.grid.addItem(self.viewbox, 2, 1)
self.left_dendrogram = DendrogramWidget(
self.grid_widget,
orientation=DendrogramWidget.Left,
selectionMode=DendrogramWidget.NoSelection,
hoverHighlightEnabled=False)
self.left_dendrogram.setAcceptedMouseButtons(Qt.NoButton)
self.left_dendrogram.setAcceptHoverEvents(False)
self.top_dendrogram = DendrogramWidget(
self.grid_widget,
orientation=DendrogramWidget.Top,
selectionMode=DendrogramWidget.NoSelection,
hoverHighlightEnabled=False)
self.top_dendrogram.setAcceptedMouseButtons(Qt.NoButton)
self.top_dendrogram.setAcceptHoverEvents(False)
self.grid.addItem(self.left_dendrogram, 2, 0)
self.grid.addItem(self.top_dendrogram, 1, 1)
self.right_labels = TextList(alignment=Qt.AlignLeft | Qt.AlignVCenter,
sizePolicy=QSizePolicy(
QSizePolicy.Fixed,
QSizePolicy.Expanding))
self.bottom_labels = TextList(
orientation=Qt.Horizontal,
alignment=Qt.AlignRight | Qt.AlignVCenter,
sizePolicy=QSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed))
self.grid.addItem(self.right_labels, 2, 2)
self.grid.addItem(self.bottom_labels, 3, 1)
self.view.setCentralItem(self.grid_widget)
self.gradient_legend.hide()
self.left_dendrogram.hide()
self.top_dendrogram.hide()
self.right_labels.hide()
self.bottom_labels.hide()
self.matrix_item = None
self.dendrogram = None
self.settingsAboutToBePacked.connect(self.pack_settings)
def __init__(self, *args, thresholds=(0.0, 1.0), center=None, **kwargs):
super().__init__(*args, **kwargs)
low = round(clip(thresholds[0], 0., 1.), 2)
high = round(clip(thresholds[1], 0., 1.), 2)
high = max(low, high)
self.__threshold_low, self.__threshold_high = low, high
self.__center = center
form = QFormLayout(formAlignment=Qt.AlignLeft,
labelAlignment=Qt.AlignLeft,
fieldGrowthPolicy=QFormLayout.AllNonFixedFieldsGrow)
form.setContentsMargins(0, 0, 0, 0)
self.gradient_cb = QComboBox(
None,
objectName="gradient-combo-box",
)
self.gradient_cb.setAttribute(Qt.WA_LayoutUsesWidgetRect)
icsize = self.style().pixelMetric(QStyle.PM_SmallIconSize, None,
self.gradient_cb)
self.gradient_cb.setIconSize(QSize(64, icsize))
model = itemmodels.ContinuousPalettesModel()
model.setParent(self)
self.gradient_cb.setModel(model)
self.gradient_cb.activated[int].connect(self.activated)
self.gradient_cb.currentIndexChanged.connect(self.currentIndexChanged)
if center is not None:
def __on_center_changed():
self.__center = float(self.center_edit.text() or "0")
self.centerChanged.emit(self.__center)
self.center_box = QWidget()
center_layout = QHBoxLayout()
self.center_box.setLayout(center_layout)
width = QFontMetrics(self.font()).boundingRect("9999999").width()
self.center_edit = QLineEdit(text=f"{self.__center}",
maximumWidth=width,
placeholderText="0",
alignment=Qt.AlignRight)
self.center_edit.setValidator(QDoubleValidator())
self.center_edit.editingFinished.connect(__on_center_changed)
center_layout.setContentsMargins(0, 0, 0, 0)
center_layout.addStretch(1)
center_layout.addWidget(QLabel("Centered at"))
center_layout.addWidget(self.center_edit)
self.gradient_cb.currentIndexChanged.connect(
self.__update_center_visibility)
else:
self.center_box = None
slider_low = Slider(objectName="threshold-low-slider",
minimum=0,
maximum=100,
value=int(low * 100),
orientation=Qt.Horizontal,
tickPosition=QSlider.TicksBelow,
pageStep=10,
toolTip=self.tr("Low gradient threshold"),
whatsThis=self.tr(
"Applying a low threshold will squeeze the "
"gradient from the lower end"))
slider_high = Slider(objectName="threshold-low-slider",
minimum=0,
maximum=100,
value=int(high * 100),
orientation=Qt.Horizontal,
tickPosition=QSlider.TicksAbove,
pageStep=10,
toolTip=self.tr("High gradient threshold"),
whatsThis=self.tr(
"Applying a high threshold will squeeze the "
"gradient from the higher end"))
form.setWidget(0, QFormLayout.SpanningRole, self.gradient_cb)
if self.center_box:
form.setWidget(1, QFormLayout.SpanningRole, self.center_box)
form.addRow(self.tr("Low:"), slider_low)
form.addRow(self.tr("High:"), slider_high)
self.slider_low = slider_low
self.slider_high = slider_high
self.slider_low.valueChanged.connect(self.__on_slider_low_moved)
self.slider_high.valueChanged.connect(self.__on_slider_high_moved)
self.setLayout(form)
def __init__(self, *args, thresholds=(0.0, 1.0), center=None, **kwargs):
super().__init__(*args, **kwargs)
low = round(clip(thresholds[0], 0., 1.), 2)
high = round(clip(thresholds[1], 0., 1.), 2)
high = max(low, high)
self.__threshold_low, self.__threshold_high = low, high
self.__center = center
form = QFormLayout(
formAlignment=Qt.AlignLeft,
labelAlignment=Qt.AlignLeft,
fieldGrowthPolicy=QFormLayout.AllNonFixedFieldsGrow
)
form.setContentsMargins(0, 0, 0, 0)
self.gradient_cb = QComboBox(
None, objectName="gradient-combo-box",
)
self.gradient_cb.setAttribute(Qt.WA_LayoutUsesWidgetRect)
icsize = self.style().pixelMetric(
QStyle.PM_SmallIconSize, None, self.gradient_cb
)
self.gradient_cb.setIconSize(QSize(64, icsize))
model = itemmodels.ContinuousPalettesModel()
model.setParent(self)
self.gradient_cb.setModel(model)
self.gradient_cb.activated[int].connect(self.activated)
self.gradient_cb.currentIndexChanged.connect(self.currentIndexChanged)
if center is not None:
def on_center_spin_value_changed(value):
if self.__center != value:
self.__center = value
self.centerChanged.emit(self.__center)
self.center_box = QWidget()
center_layout = QHBoxLayout()
self.center_box.setLayout(center_layout)
self.center_edit = DoubleSpinBox(
value=self.__center,
minimum=DBL_MIN, maximum=DBL_MAX, minimumStep=0.01,
minimumContentsLenght=8,
stepType=DoubleSpinBox.AdaptiveDecimalStepType,
keyboardTracking=False,
sizePolicy=QSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
)
self.center_edit.valueChanged.connect(on_center_spin_value_changed)
center_layout.setContentsMargins(0, 0, 0, 0)
center_layout.addStretch(1)
center_layout.addWidget(QLabel("Centered at"))
center_layout.addWidget(self.center_edit)
self.gradient_cb.currentIndexChanged.connect(
self.__update_center_visibility)
else:
self.center_box = None
slider_low = Slider(
objectName="threshold-low-slider", minimum=0, maximum=100,
value=int(low * 100), orientation=Qt.Horizontal,
tickPosition=QSlider.TicksBelow, pageStep=10,
toolTip=self.tr("Low gradient threshold"),
whatsThis=self.tr("Applying a low threshold will squeeze the "
"gradient from the lower end")
)
slider_high = Slider(
objectName="threshold-low-slider", minimum=0, maximum=100,
value=int(high * 100), orientation=Qt.Horizontal,
tickPosition=QSlider.TicksAbove, pageStep=10,
toolTip=self.tr("High gradient threshold"),
whatsThis=self.tr("Applying a high threshold will squeeze the "
"gradient from the higher end")
)
form.setWidget(0, QFormLayout.SpanningRole, self.gradient_cb)
if self.center_box:
form.setWidget(1, QFormLayout.SpanningRole, self.center_box)
form.addRow(self.tr("Low:"), slider_low)
form.addRow(self.tr("High:"), slider_high)
self.slider_low = slider_low
self.slider_high = slider_high
self.slider_low.valueChanged.connect(self.__on_slider_low_moved)
self.slider_high.valueChanged.connect(self.__on_slider_high_moved)
self.setLayout(form)
def __init__(self):
super().__init__()
self.__pending_selection = self.selected_rows
# A kingdom for a save_state/restore_state
self.col_clustering = enum_get(
Clustering, self.col_clustering_method, Clustering.None_)
self.row_clustering = enum_get(
Clustering, self.row_clustering_method, Clustering.None_)
@self.settingsAboutToBePacked.connect
def _():
self.col_clustering_method = self.col_clustering.name
self.row_clustering_method = self.row_clustering.name
self.keep_aspect = False
#: The original data with all features (retained to
#: preserve the domain on the output)
self.input_data = None
#: The effective data striped of discrete features, and often
#: merged using k-means
self.data = None
self.effective_data = None
#: kmeans model used to merge rows of input_data
self.kmeans_model = None
#: merge indices derived from kmeans
#: a list (len==k) of int ndarray where the i-th item contains
#: the indices which merge the input_data into the heatmap row i
self.merge_indices = None
self.parts: Optional[Parts] = None
self.__rows_cache = {}
self.__columns_cache = {}
self.info.set_input_summary(self.info.NoInput)
self.info.set_output_summary(self.info.NoOutput)
# GUI definition
colorbox = gui.vBox(self.controlArea, "Color")
self.color_map_widget = cmw = ColorGradientSelection(
thresholds=(self.threshold_low, self.threshold_high),
)
model = itemmodels.ContinuousPalettesModel(parent=self)
cmw.setModel(model)
idx = cmw.findData(self.palette_name, model.KeyRole)
if idx != -1:
cmw.setCurrentIndex(idx)
cmw.activated.connect(self.update_color_schema)
def _set_thresholds(low, high):
self.threshold_low, self.threshold_high = low, high
self.update_color_schema()
cmw.thresholdsChanged.connect(_set_thresholds)
colorbox.layout().addWidget(self.color_map_widget)
mergebox = gui.vBox(self.controlArea, "Merge",)
gui.checkBox(mergebox, self, "merge_kmeans", "Merge by k-means",
callback=self.__update_row_clustering)
ibox = gui.indentedBox(mergebox)
gui.spin(ibox, self, "merge_kmeans_k", minv=5, maxv=500,
label="Clusters:", keyboardTracking=False,
callbackOnReturn=True, callback=self.update_merge)
cluster_box = gui.vBox(self.controlArea, "Clustering")
# Row clustering
self.row_cluster_cb = cb = ComboBox()
cb.setModel(create_list_model(ClusteringModelData, self))
cbselect(cb, self.row_clustering, ClusteringRole)
self.connect_control(
"row_clustering",
lambda value, cb=cb: cbselect(cb, value, ClusteringRole)
)
@cb.activated.connect
def _(idx, cb=cb):
self.set_row_clustering(cb.itemData(idx, ClusteringRole))
# Column clustering
self.col_cluster_cb = cb = ComboBox()
cb.setModel(create_list_model(ClusteringModelData, self))
cbselect(cb, self.col_clustering, ClusteringRole)
self.connect_control(
"col_clustering",
lambda value, cb=cb: cbselect(cb, value, ClusteringRole)
)
@cb.activated.connect
def _(idx, cb=cb):
self.set_col_clustering(cb.itemData(idx, ClusteringRole))
form = QFormLayout(
labelAlignment=Qt.AlignLeft, formAlignment=Qt.AlignLeft,
fieldGrowthPolicy=QFormLayout.AllNonFixedFieldsGrow,
)
form.addRow("Rows:", self.row_cluster_cb)
form.addRow("Columns:", self.col_cluster_cb)
cluster_box.layout().addLayout(form)
box = gui.vBox(self.controlArea, "Split By")
self.row_split_model = DomainModel(
placeholder="(None)",
valid_types=(Orange.data.DiscreteVariable,),
parent=self,
)
self.row_split_cb = cb = ComboBoxSearch(
enabled=not self.merge_kmeans,
sizeAdjustPolicy=ComboBox.AdjustToMinimumContentsLengthWithIcon,
minimumContentsLength=14,
toolTip="Split the heatmap vertically by a categorical column"
)
self.row_split_cb.setModel(self.row_split_model)
self.connect_control(
"split_by_var", lambda value, cb=cb: cbselect(cb, value)
)
self.connect_control(
"merge_kmeans", self.row_split_cb.setDisabled
)
self.split_by_var = None
self.row_split_cb.activated.connect(
self.__on_split_rows_activated
)
box.layout().addWidget(self.row_split_cb)
box = gui.vBox(self.controlArea, 'Annotation && Legends')
gui.checkBox(box, self, 'legend', 'Show legend',
callback=self.update_legend)
gui.checkBox(box, self, 'averages', 'Stripes with averages',
callback=self.update_averages_stripe)
annotbox = QGroupBox("Row Annotations", flat=True)
form = QFormLayout(
annotbox,
formAlignment=Qt.AlignLeft,
labelAlignment=Qt.AlignLeft,
fieldGrowthPolicy=QFormLayout.AllNonFixedFieldsGrow
)
self.annotation_model = DomainModel(placeholder="(None)")
self.annotation_text_cb = ComboBoxSearch(
minimumContentsLength=12,
sizeAdjustPolicy=QComboBox.AdjustToMinimumContentsLength
)
self.annotation_text_cb.setModel(self.annotation_model)
self.annotation_text_cb.activated.connect(self.set_annotation_var)
self.connect_control("annotation_var", self.annotation_var_changed)
self.row_side_color_model = DomainModel(
order=(DomainModel.CLASSES, DomainModel.Separator,
DomainModel.METAS),
placeholder="(None)", valid_types=DomainModel.PRIMITIVE,
flags=Qt.ItemIsSelectable | Qt.ItemIsEnabled,
parent=self,
)
self.row_side_color_cb = ComboBoxSearch(
sizeAdjustPolicy=QComboBox.AdjustToMinimumContentsLength,
minimumContentsLength=12
)
self.row_side_color_cb.setModel(self.row_side_color_model)
self.row_side_color_cb.activated.connect(self.set_annotation_color_var)
self.connect_control("annotation_color_var", self.annotation_color_var_changed)
form.addRow("Text", self.annotation_text_cb)
form.addRow("Color", self.row_side_color_cb)
box.layout().addWidget(annotbox)
posbox = gui.vBox(box, "Column Labels Position", addSpace=False)
posbox.setFlat(True)
cb = gui.comboBox(
posbox, self, "column_label_pos",
callback=self.update_column_annotations)
cb.setModel(create_list_model(ColumnLabelsPosData, parent=self))
cb.setCurrentIndex(self.column_label_pos)
gui.checkBox(self.controlArea, self, "keep_aspect",
"Keep aspect ratio", box="Resize",
callback=self.__aspect_mode_changed)
gui.rubber(self.controlArea)
gui.auto_send(self.controlArea, self, "auto_commit")
# Scene with heatmap
class HeatmapScene(QGraphicsScene):
widget: Optional[HeatmapGridWidget] = None
self.scene = self.scene = HeatmapScene(parent=self)
self.view = GraphicsView(
self.scene,
verticalScrollBarPolicy=Qt.ScrollBarAlwaysOn,
horizontalScrollBarPolicy=Qt.ScrollBarAlwaysOn,
viewportUpdateMode=QGraphicsView.FullViewportUpdate,
widgetResizable=True,
)
self.view.setContextMenuPolicy(Qt.CustomContextMenu)
self.view.customContextMenuRequested.connect(
self._on_view_context_menu
)
self.mainArea.layout().addWidget(self.view)
self.selected_rows = []
self.__font_inc = QAction(
"Increase Font", self, shortcut=QKeySequence("ctrl+>"))
self.__font_dec = QAction(
"Decrease Font", self, shortcut=QKeySequence("ctrl+<"))
self.__font_inc.triggered.connect(lambda: self.__adjust_font_size(1))
self.__font_dec.triggered.connect(lambda: self.__adjust_font_size(-1))
if hasattr(QAction, "setShortcutVisibleInContextMenu"):
apply_all(
[self.__font_inc, self.__font_dec],
lambda a: a.setShortcutVisibleInContextMenu(True)
)
self.addActions([self.__font_inc, self.__font_dec])
