wip: chest and drawers classes draft

brainglobe_utils/qtpy/chest.py

@@ -0,0 +1,27 @@
+from qtpy.QtCore import Qt
+from qtpy.QtWidgets import QGroupBox, QVBoxLayout
+
+
+class Chest(QGroupBox):
+    def __init__(self):
+        super().__init__()
+        self.setLayout(QVBoxLayout())
+
+        self.layout().setAlignment(Qt.AlignTop)
+        self.layout().setSpacing(0)
+        self.layout().setContentsMargins(0, 0, 0, 0)
+        self.drawers = []
+
+    def add_drawer(self, drawer):
+        self.drawers.append(drawer)
+        self.layout().addWidget(drawer, 0, Qt.AlignTop)
+        drawer.toggled_signal.connect(self._update_drawers)
+
+    def _update_drawers(self, signalling_drawer, state):
+        if state:
+            for drawer in self.drawers:
+                if (
+                    drawer is not signalling_drawer
+                    and drawer.currently_expanded
+                ):
+                    drawer.toggle_expansion()

brainglobe_utils/qtpy/drawer.py

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+from qtpy.QtCore import Qt, Signal
+from qtpy.QtWidgets import QPushButton, QVBoxLayout, QWidget
+
+
+class Drawer(QWidget):
+    """
+    LayerList class which acts as collapsable list.
+    """
+
+    toggled_signal = Signal(QWidget, bool)
+
+    def __init__(self, name, expand=False):
+        super().__init__()
+        self.currently_expanded = expand
+        self.main_layout = QVBoxLayout()
+
+        self.expand_button = QPushButton(name)
+        self.expand_button.setToolTip(f"{name}")
+
+        # self.expand_button.setIcon \
+        # (QIcon(os.path.join(PATH, 'LayersList_Up.png')))
+
+        self.main_layout.addWidget(self.expand_button, 0, Qt.AlignTop)
+
+        self.expand_button.clicked.connect(self._on_expand_toggle)
+        self.setLayout(self.main_layout)
+
+    def _on_expand_toggle(self):
+        self.toggle_expansion()
+        self.toggled_signal.emit(self, self.currently_expanded)
+
+    def toggle_expansion(self):
+        self.currently_expanded = not self.currently_expanded
+        for i in range(1, self.layout().count()):
+            self.layout().itemAt(i).widget().setVisible(
+                self.currently_expanded
+            )
+
+    def add(self, widget: QWidget):
+        widget.setVisible(False)
+        self.layout().addWidget(widget)

tests/tests/test_unit/test_qtpy/test_drawer.py

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+from qtpy.QtWidgets import QLabel
+
+from brainglobe_utils.qtpy.chest import Chest
+from brainglobe_utils.qtpy.drawer import Drawer
+
+
+def test_layers_list(qtbot):
+    chest = Chest()
+    drawer = Drawer("test")
+    drawer_2 = Drawer("test2")
+    drawer.add(QLabel("test"))
+    drawer.add(QLabel("test2"))
+    drawer_2.add(QLabel("test"))
+    drawer_2.add(QLabel("test2"))
+
+    chest.add_drawer(drawer)
+    chest.add_drawer(drawer_2)
+    qtbot.addWidget(chest)
+
+    chest.window().show()
+
+    qtbot.wait(100000)