ayon-core/openpype/tools/utils/widgets.py
2021-09-17 12:14:49 +02:00

499 lines
16 KiB
Python

import logging
import time
from . import lib
from Qt import QtWidgets, QtCore, QtGui
from avalon.vendor import qtawesome, qargparse
from avalon import style
from .models import AssetModel, RecursiveSortFilterProxyModel
from .views import AssetsView
from .delegates import AssetDelegate
log = logging.getLogger(__name__)
class AssetWidget(QtWidgets.QWidget):
"""A Widget to display a tree of assets with filter
To list the assets of the active project:
>>> # widget = AssetWidget()
>>> # widget.refresh()
>>> # widget.show()
"""
refresh_triggered = QtCore.Signal() # on model refresh
refreshed = QtCore.Signal()
selection_changed = QtCore.Signal() # on view selection change
current_changed = QtCore.Signal() # on view current index change
def __init__(self, dbcon, multiselection=False, parent=None):
super(AssetWidget, self).__init__(parent=parent)
self.dbcon = dbcon
self.setContentsMargins(0, 0, 0, 0)
layout = QtWidgets.QVBoxLayout(self)
layout.setContentsMargins(0, 0, 0, 0)
layout.setSpacing(4)
# Tree View
model = AssetModel(dbcon=self.dbcon, parent=self)
proxy = RecursiveSortFilterProxyModel()
proxy.setSourceModel(model)
proxy.setFilterCaseSensitivity(QtCore.Qt.CaseInsensitive)
view = AssetsView()
view.setModel(proxy)
if multiselection:
asset_delegate = AssetDelegate()
view.setSelectionMode(view.ExtendedSelection)
view.setItemDelegate(asset_delegate)
# Header
header = QtWidgets.QHBoxLayout()
icon = qtawesome.icon("fa.arrow-down", color=style.colors.light)
set_current_asset_btn = QtWidgets.QPushButton(icon, "")
set_current_asset_btn.setToolTip("Go to Asset from current Session")
# Hide by default
set_current_asset_btn.setVisible(False)
icon = qtawesome.icon("fa.refresh", color=style.colors.light)
refresh = QtWidgets.QPushButton(icon, "")
refresh.setToolTip("Refresh items")
filter = QtWidgets.QLineEdit()
filter.textChanged.connect(proxy.setFilterFixedString)
filter.setPlaceholderText("Filter assets..")
header.addWidget(filter)
header.addWidget(set_current_asset_btn)
header.addWidget(refresh)
# Layout
layout.addLayout(header)
layout.addWidget(view)
# Signals/Slots
selection = view.selectionModel()
selection.selectionChanged.connect(self.selection_changed)
selection.currentChanged.connect(self.current_changed)
refresh.clicked.connect(self.refresh)
set_current_asset_btn.clicked.connect(self.set_current_session_asset)
self.set_current_asset_btn = set_current_asset_btn
self.model = model
self.proxy = proxy
self.view = view
self.model_selection = {}
def set_current_asset_btn_visibility(self, visible=None):
"""Hide set current asset button.
Not all tools support using of current context asset.
"""
if visible is None:
visible = not self.set_current_asset_btn.isVisible()
self.set_current_asset_btn.setVisible(visible)
def _refresh_model(self):
# Store selection
self._store_model_selection()
time_start = time.time()
self.set_loading_state(
loading=True,
empty=True
)
def on_refreshed(has_item):
self.set_loading_state(loading=False, empty=not has_item)
self._restore_model_selection()
self.model.refreshed.disconnect()
self.refreshed.emit()
print("Duration: %.3fs" % (time.time() - time_start))
# Connect to signal
self.model.refreshed.connect(on_refreshed)
# Trigger signal before refresh is called
self.refresh_triggered.emit()
# Refresh model
self.model.refresh()
def refresh(self):
self._refresh_model()
def get_active_asset(self):
"""Return the asset item of the current selection."""
current = self.view.currentIndex()
return current.data(self.model.ItemRole)
def get_active_asset_document(self):
"""Return the asset document of the current selection."""
current = self.view.currentIndex()
return current.data(self.model.DocumentRole)
def get_active_index(self):
return self.view.currentIndex()
def get_selected_assets(self):
"""Return the documents of selected assets."""
selection = self.view.selectionModel()
rows = selection.selectedRows()
assets = [row.data(self.model.DocumentRole) for row in rows]
# NOTE: skip None object assumed they are silo (backwards comp.)
return [asset for asset in assets if asset]
def select_assets(self, assets, expand=True, key="name"):
"""Select assets by item key.
Args:
assets (list): List of asset values that can be found under
specified `key`
expand (bool): Whether to also expand to the asset in the view
key (string): Key that specifies where to look for `assets` values
Returns:
None
Default `key` is "name" in that case `assets` should contain single
asset name or list of asset names. (It is good idea to use "_id" key
instead of name in that case `assets` must contain `ObjectId` object/s)
It is expected that each value in `assets` will be found only once.
If the filters according to the `key` and `assets` correspond to
the more asset, only the first found will be selected.
"""
if not isinstance(assets, (tuple, list)):
assets = [assets]
# convert to list - tuple cant be modified
assets = set(assets)
# Clear selection
selection_model = self.view.selectionModel()
selection_model.clearSelection()
# Select
mode = selection_model.Select | selection_model.Rows
for index in lib.iter_model_rows(
self.proxy, column=0, include_root=False
):
# stop iteration if there are no assets to process
if not assets:
break
value = index.data(self.model.ItemRole).get(key)
if value not in assets:
continue
# Remove processed asset
assets.discard(value)
selection_model.select(index, mode)
if expand:
# Expand parent index
self.view.expand(self.proxy.parent(index))
# Set the currently active index
self.view.setCurrentIndex(index)
def set_loading_state(self, loading, empty):
if self.view.is_loading != loading:
if loading:
self.view.spinner.repaintNeeded.connect(
self.view.viewport().update
)
else:
self.view.spinner.repaintNeeded.disconnect()
self.view.is_loading = loading
self.view.is_empty = empty
def _store_model_selection(self):
index = self.view.currentIndex()
current = None
if index and index.isValid():
current = index.data(self.model.ObjectIdRole)
expanded = set()
model = self.view.model()
for index in lib.iter_model_rows(
model, column=0, include_root=False
):
if self.view.isExpanded(index):
value = index.data(self.model.ObjectIdRole)
expanded.add(value)
selection_model = self.view.selectionModel()
selected = None
selected_rows = selection_model.selectedRows()
if selected_rows:
selected = set(
row.data(self.model.ObjectIdRole)
for row in selected_rows
)
self.model_selection = {
"expanded": expanded,
"selected": selected,
"current": current
}
def _restore_model_selection(self):
model = self.view.model()
not_set = object()
expanded = self.model_selection.pop("expanded", not_set)
selected = self.model_selection.pop("selected", not_set)
current = self.model_selection.pop("current", not_set)
if (
expanded is not_set
or selected is not_set
or current is not_set
):
return
if expanded:
for index in lib.iter_model_rows(
model, column=0, include_root=False
):
is_expanded = index.data(self.model.ObjectIdRole) in expanded
self.view.setExpanded(index, is_expanded)
if not selected and not current:
self.set_current_session_asset()
return
current_index = None
selected_indexes = []
# Go through all indices, select the ones with similar data
for index in lib.iter_model_rows(
model, column=0, include_root=False
):
object_id = index.data(self.model.ObjectIdRole)
if object_id in selected:
selected_indexes.append(index)
if not current_index and object_id == current:
current_index = index
if current_index:
self.view.setCurrentIndex(current_index)
if not selected_indexes:
return
selection_model = self.view.selectionModel()
flags = selection_model.Select | selection_model.Rows
for index in selected_indexes:
# Ensure item is visible
self.view.scrollTo(index)
selection_model.select(index, flags)
def set_current_session_asset(self):
asset_name = self.dbcon.Session.get("AVALON_ASSET")
if asset_name:
self.select_assets([asset_name])
class OptionalMenu(QtWidgets.QMenu):
"""A subclass of `QtWidgets.QMenu` to work with `OptionalAction`
This menu has reimplemented `mouseReleaseEvent`, `mouseMoveEvent` and
`leaveEvent` to provide better action hightlighting and triggering for
actions that were instances of `QtWidgets.QWidgetAction`.
"""
def mouseReleaseEvent(self, event):
"""Emit option clicked signal if mouse released on it"""
active = self.actionAt(event.pos())
if active and active.use_option:
option = active.widget.option
if option.is_hovered(event.globalPos()):
option.clicked.emit()
super(OptionalMenu, self).mouseReleaseEvent(event)
def mouseMoveEvent(self, event):
"""Add highlight to active action"""
active = self.actionAt(event.pos())
for action in self.actions():
action.set_highlight(action is active, event.globalPos())
super(OptionalMenu, self).mouseMoveEvent(event)
def leaveEvent(self, event):
"""Remove highlight from all actions"""
for action in self.actions():
action.set_highlight(False)
super(OptionalMenu, self).leaveEvent(event)
class OptionalAction(QtWidgets.QWidgetAction):
"""Menu action with option box
A menu action like Maya's menu item with option box, implemented by
subclassing `QtWidgets.QWidgetAction`.
"""
def __init__(self, label, icon, use_option, parent):
super(OptionalAction, self).__init__(parent)
self.label = label
self.icon = icon
self.use_option = use_option
self.option_tip = ""
self.optioned = False
def createWidget(self, parent):
widget = OptionalActionWidget(self.label, parent)
self.widget = widget
if self.icon:
widget.setIcon(self.icon)
if self.use_option:
widget.option.clicked.connect(self.on_option)
widget.option.setToolTip(self.option_tip)
else:
widget.option.setVisible(False)
return widget
def set_option_tip(self, options):
sep = "\n\n"
mak = (lambda opt: opt["name"] + " :\n " + opt["help"])
self.option_tip = sep.join(mak(opt) for opt in options)
def on_option(self):
self.optioned = True
def set_highlight(self, state, global_pos=None):
body = self.widget.body
option = self.widget.option
role = QtGui.QPalette.Highlight if state else QtGui.QPalette.Window
body.setBackgroundRole(role)
body.setAutoFillBackground(state)
if not self.use_option:
return
state = option.is_hovered(global_pos)
role = QtGui.QPalette.Highlight if state else QtGui.QPalette.Window
option.setBackgroundRole(role)
option.setAutoFillBackground(state)
class OptionalActionWidget(QtWidgets.QWidget):
"""Main widget class for `OptionalAction`"""
def __init__(self, label, parent=None):
super(OptionalActionWidget, self).__init__(parent)
body = QtWidgets.QWidget()
body.setStyleSheet("background: transparent;")
icon = QtWidgets.QLabel()
label = QtWidgets.QLabel(label)
option = OptionBox(body)
icon.setFixedSize(24, 16)
option.setFixedSize(30, 30)
layout = QtWidgets.QHBoxLayout(body)
layout.setContentsMargins(0, 0, 0, 0)
layout.setSpacing(2)
layout.addWidget(icon)
layout.addWidget(label)
layout.addSpacing(6)
layout = QtWidgets.QHBoxLayout(self)
layout.setContentsMargins(6, 1, 2, 1)
layout.setSpacing(0)
layout.addWidget(body)
layout.addWidget(option)
body.setMouseTracking(True)
label.setMouseTracking(True)
option.setMouseTracking(True)
self.setMouseTracking(True)
self.setFixedHeight(32)
self.icon = icon
self.label = label
self.option = option
self.body = body
# (NOTE) For removing ugly QLable shadow FX when highlighted in Nuke.
# See https://stackoverflow.com/q/52838690/4145300
label.setStyle(QtWidgets.QStyleFactory.create("Plastique"))
def setIcon(self, icon):
pixmap = icon.pixmap(16, 16)
self.icon.setPixmap(pixmap)
class OptionBox(QtWidgets.QLabel):
"""Option box widget class for `OptionalActionWidget`"""
clicked = QtCore.Signal()
def __init__(self, parent):
super(OptionBox, self).__init__(parent)
self.setAlignment(QtCore.Qt.AlignCenter)
icon = qtawesome.icon("fa.sticky-note-o", color="#c6c6c6")
pixmap = icon.pixmap(18, 18)
self.setPixmap(pixmap)
self.setStyleSheet("background: transparent;")
def is_hovered(self, global_pos):
if global_pos is None:
return False
pos = self.mapFromGlobal(global_pos)
return self.rect().contains(pos)
class OptionDialog(QtWidgets.QDialog):
"""Option dialog shown by option box"""
def __init__(self, parent=None):
super(OptionDialog, self).__init__(parent)
self.setModal(True)
self._options = dict()
def create(self, options):
parser = qargparse.QArgumentParser(arguments=options)
decision = QtWidgets.QWidget()
accept = QtWidgets.QPushButton("Accept")
cancel = QtWidgets.QPushButton("Cancel")
layout = QtWidgets.QHBoxLayout(decision)
layout.addWidget(accept)
layout.addWidget(cancel)
layout = QtWidgets.QVBoxLayout(self)
layout.addWidget(parser)
layout.addWidget(decision)
accept.clicked.connect(self.accept)
cancel.clicked.connect(self.reject)
parser.changed.connect(self.on_changed)
def on_changed(self, argument):
self._options[argument["name"]] = argument.read()
def parse(self):
return self._options.copy()