from zope.interface import Interface, Attribute
from zope.component import getUtility
from PyQt5.QtWidgets import QAction, QMenu, QWidgetAction
from PyQt5.QtGui import QIcon, QKeySequence
from PyQt5.QtCore import QObject
from typing import List
from collections import namedtuple
[docs]class IAction(object):
def __init__(
self,
icon,
id,
pid,
title,
index = 0,
callable = None,
widget = None,
fetch = None,
shortcut = None
):
super().__init__()
self.icon = icon
self.callable = callable
self.id = id
self.pid = pid
self.title = title
self.index = index
self.widget = widget
self.fetch = fetch
self.shortcut = shortcut
def __repr__(self):
return "id={}, title={}".format(self.id, self.title)
# IAction = namedtuple("IAction",
# ["icon", "callable", "id", "pid", "title", "index", "widget"]
# )
[docs]def createAction(id, title, callable = None, index =0, shortcut=None) :
return IAction(
icon="",
id = id,
pid = ".".join(id.split(".")[0:-1]),
title = title,
index=index,
callable = callable,
widget=None,
shortcut = shortcut
)
[docs]def createWAction(id, title, widget=None, index =0, shortcut=None) :
return IAction(
icon="",
id = id,
pid = ".".join(id.split(".")[0:-1]),
title = title,
index=index,
callable = None,
widget=widget,
shortcut = shortcut
)
[docs]def creatchFecthAction(id, title, fetch, index = 0, shortcut=None):
return IAction(
icon="",
id = id,
pid = ".".join(id.split(".")[0:-1]),
title = title,
index=index,
callable = None,
widget= None,
fetch = fetch,
shortcut = shortcut
)
[docs]class IActMgr(Interface) :
"""
Action Manager
要包含所有的命令节点，每个命令节点包含一个菜单用于显示全部子命令
"""
file = Attribute("""file menu""")
edit = Attribute("""edit menu""")
image= Attribute("""image menu""")
test = Attribute("""test menu""")
def topActions() -> List[IAction] :
pass
def addAct(act : IAction):
"""
add sub action parent | child
"""
pass
def remAct(id :str):
"""
remove action by id
"""
pass
def renameAct(id: str, title: str, index = 0):
"""
set action title
"""
pass
def queryChildren(self, pid : str) -> List[IAction]:
"""
query actions by parent id
"""
pass
def queryAll(self) -> List[IAction] :
"""
query all actions
"""
pass
[docs]def get() :
return getUtility(IActMgr)
[docs]def toQAction(act : IAction, parent : QObject) :
qact = QAction(QIcon(act.icon), act.title, parent=parent)
if act.shortcut is not None:
qact.setShortcut(act.shortcut)
children = get().queryChildren(act.id)
# action widget
if act.widget :
menu = QMenu()
wact = QWidgetAction(menu)
wact.setDefaultWidget(act.widget(menu))
menu.addAction(wact)
qact.setMenu(menu)
# wact.setText(act.title)
# wact.setIcon(QIcon(act.icon))
return qact
# single action
if act.callable is not None:
def cb(checked) :
print(act)
print(qact.text())
act.callable()
qact.triggered.connect(cb)
return qact
# sub menu
elif act.fetch is not None:
menu = QMenu()
qact.setMenu(menu)
def fresh():
acts = act.fetch(menu)
for a in acts:
menu.addAction(a)
menu.aboutToShow.connect(fresh)
menu.aboutToHide.connect(menu.clear)
return qact
else :
menu = QMenu()
qact.setMenu(menu)
for a in children:
qa = toQAction(a, qact)
menu.addAction(qa)
return qact
[docs]def renameAct(id : str, title :str, index = 0):
get().renameAct(id, title, index)
[docs]def addAct(act : IAction):
get().addAct(act)
[docs]def addActFun(id : str, text: str, index=0, shortcut=None):
def add(callable):
a = createAction(id, title=text, callable=callable, index=index, shortcut=shortcut)
addAct(a)
return add
[docs]def addActWdg(id: str, text: str, index=0, shortcut=None):
def add(wdg_factory) :
a = createWAction(id, title=text, widget=wdg_factory, index=index, shortcut=shortcut)
addAct(a)
return add
[docs]def addActFetch(id : str, title : str, index = 0, shortcut=None):
def add(fetch) :
a = creatchFecthAction(id, title=title, fetch=fetch, index=index, shortcut=shortcut)
addAct(a)
return add
if __name__ == "__main__" :
act = createAction(id="file", title="titld", index=1)
print(act)