def ui(self):
super(AttributeEditor, self).ui()
self._main_group = QGroupBox()
self._main_group.setProperty('class', 'attr_main_group')
self._main_group.setFlat(False)
self._main_group.setTitle('')
self._main_group_layout = self.get_attributes_layout()
self._main_group.setLayout(self._main_group_layout)
scroll_area = QScrollArea()
scroll_area.setWidgetResizable(True)
scroll_area.setStyleSheet(
'QScrollArea { background-color: rgb(57,57,57);}')
scroll_area.setVerticalScrollBarPolicy(Qt.ScrollBarAsNeeded)
scroll_area.setWidget(self._main_group)
self.main_layout.addWidget(scroll_area)
self.setContextMenuPolicy(Qt.CustomContextMenu)
self.customContextMenuRequested.connect(self._on_create_context_menu)
class ExpandableLine(QWidget, object):
def __init__(self, title='', animation_duration=300, parent=None):
super(ExpandableLine, self).__init__(parent=parent)
self._animation_duration = animation_duration
base_layout = layouts.GridLayout(margins=(0, 0, 0, 0))
base_layout.setVerticalSpacing(0)
self.setLayout(base_layout)
self.expand_btn = QToolButton()
self.expand_btn.setText(str(title))
self.expand_btn.setStyleSheet('QToolButton { border : none; }')
self.expand_btn.setToolButtonStyle(Qt.ToolButtonTextBesideIcon)
self.expand_btn.setArrowType(Qt.ArrowType.RightArrow)
self.expand_btn.setCheckable(True)
self.expand_btn.setChecked(True)
header_line = QFrame()
header_line.setFrameShape(QFrame.HLine)
header_line.setFrameShadow(QFrame.Sunken)
header_line.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Maximum)
self.content_area = QScrollArea()
self.content_area.setStyleSheet('QScrollArea { border: none;}')
self.content_area.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
self.content_area.setMaximumHeight(0)
self.content_area.setMinimumHeight(0)
self.toggle_anim = QParallelAnimationGroup()
self.toggle_anim.addAnimation(QPropertyAnimation(self, 'minimumHeight'))
self.toggle_anim.addAnimation(QPropertyAnimation(self, 'maximumHeight'))
self.toggle_anim.addAnimation(QPropertyAnimation(self.content_area, 'maximumHeight'))
row = 0
base_layout.addWidget(self.expand_btn, row, 0, 1, 1, Qt.AlignLeft)
base_layout.addWidget(header_line, row, 2, 1, 1)
row += 1
base_layout.addWidget(self.content_area, row, 0, 1, 3)
def expand_view(checked):
arrow_type = Qt.DownArrow if checked else Qt.RightArrow
direction = QAbstractAnimation.Forward if checked else QAbstractAnimation.Backward
self.expand_btn.setArrowType(arrow_type)
self.toggle_anim.setDirection(direction)
self.toggle_anim.start()
# === SIGNALS === #
self.expand_btn.toggled.connect(expand_view)
expand_view(True)
def set_content_layout(self, content_layout):
self.content_area.destroy()
self.content_area.setLayout(content_layout)
collapsed_height = self.sizeHint().height() - self.content_area.maximumHeight()
content_height = content_layout.sizeHint().height() + 300
for i in range(self.toggle_anim.animationCount() - 1):
expand_anim = self.toggle_anim.animationAt(i)
expand_anim.setDuration(self._animation_duration)
expand_anim.setStartValue(collapsed_height)
expand_anim.setEndValue(collapsed_height + content_height)
content_anim = self.toggle_anim.animationAt(self.toggle_anim.animationCount() - 1)
content_anim.setDuration(self._animation_duration)
content_anim.setStartValue(0)
content_anim.setEndValue(content_height)