def gather_items(self):
from openalea.secondnature.applets import AppletFactoryManager
APM = AppletFactoryManager()
appletFactories = APM.gather_items()
self.items.clear()
for appFac in appletFactories.itervalues():
dataTypes = appFac.get_data_types()
self.items.update( (dt.name, dt) for dt in dataTypes )
self.item_list_changed.emit(self, self.items.copy())
def init(cls):
from openalea.secondnature.layouts import LayoutManager
from openalea.secondnature.applets import AppletFactoryManager
from openalea.secondnature.data import DataFactoryManager
lm = LayoutManager()
am = AppletFactoryManager()
dm = DataFactoryManager()
lm.init_sources()
am.init_sources()
dm.init_sources()
lm.gather_items(refresh=True)
am.gather_items(refresh=True)
dm.gather_items(refresh=True)
def __init__(self, parent=None):
QtGui.QMainWindow.__init__(self, parent)
self.setMinimumSize(500, 400)
self.showMaximized()
self.setWindowTitle("Second Nature")
self.setWindowFlags(QtCore.Qt.Window)
self.setAttribute(QtCore.Qt.WA_DeleteOnClose)
self.logger = sn_logger
self.__applets = []
self.__extInitialised = False
# -- main menu bar --
self._mainMenuBar = QtGui.QMenuBar(self)
self._projectMenu = self._mainMenuBar.addMenu("&Project")
self.setMenuBar(self._mainMenuBar)
# -- project menu --
qpm = QActiveProjectManager()
self._projectMenu.addAction(qpm.get_action_new())
self._projectMenu.addAction(qpm.get_action_open())
self._projectMenu.addAction(qpm.get_action_save())
self._projectMenu.addAction(qpm.get_action_close())
# -- a default central widget--
self.__centralStack = QtGui.QStackedWidget(self)
# -- status bar --
self._statusBar = QtGui.QStatusBar(self)
self._layoutMode = QtGui.QComboBox(self)
self._statusBar.addPermanentWidget(self._layoutMode)
self._layoutMode.setSizeAdjustPolicy(QtGui.QComboBox.AdjustToContents)
self.__currentLayout = None
self._statusBar.setStyleSheet("QStatusBar{background-color: " +\
"qlineargradient(spread:pad, x1:0, y1:0, x2:0, y2:1, "+\
"stop:0 rgba(135,135,135,255), " +\
"stop:0.1 rgba(175,175,175,255), " +\
"stop:1 rgba(200, 200, 200, 255));}")
# -- add all those guys to the main window (self) --
self.setMenuBar(self._mainMenuBar)
self.setStatusBar(self._statusBar)
self.setCentralWidget(self.__centralStack)
self.__projMan = ProjectManager()
if not self.__projMan.has_active_project():
self.__projMan.new_active_project("New Project")
# -- connections --
self.__projMan.active_project_changed.connect(self.__on_active_project_set)
AppletFactoryManager().applet_created.connect(self.add_applet)
LayoutManager().item_list_changed.connect(self.__onLayoutListChanged)
self._layoutMode.activated[int].connect(self.__onLayoutChosen)
self._layoutMode.currentIndexChanged[int].connect(self.__onLayoutChosen)
def __onPaneMenuRequest(self, splittable, paneId, pos):
proj = self.__projMan.get_active_project()
pos = splittable.mapToGlobal(pos)
menu = QtGui.QMenu(splittable)
menu.setAttribute(QtCore.Qt.WA_DeleteOnClose)
action = menu.addAction("Empty")
menu.addSeparator()
action.triggered.connect(self.__make_clear_pane_handler(splittable, paneId))
applets = list(AppletFactoryManager().gather_items().itervalues())
applets.sort(cmp = lambda x,y:cmp(x.name, y.name))
for app in applets:
action = menu.addAction(app.icon, app.name)
action.setIconVisibleInMenu(True)
func = self.__make_new_applet_pane_handler(splittable, proj, paneId, app)
action.triggered.connect(func)
menu.popup(pos)
def init(cls):
from openalea.secondnature.layouts import LayoutManager
from openalea.secondnature.applets import AppletFactoryManager
from openalea.secondnature.data import DataFactoryManager
lm = LayoutManager()
am = AppletFactoryManager()
dm = DataFactoryManager()
lm.init_sources()
am.init_sources()
dm.init_sources()
lm.gather_items(refresh=True)
am.gather_items(refresh=True)
dm.gather_items(refresh=True)
def mime_type_handler(formats, applet=True):
from openalea.secondnature.applets import AppletFactoryManager
from openalea.secondnature.data import DataFactoryManager
formats = map(str, formats)
if applet:
handlers = AppletFactoryManager().get_handlers_for_mimedata(formats)
else:
handlers = DataFactoryManager().get_handlers_for_mimedata(formats)
nbHandlers = len(handlers)
if nbHandlers == 0:
return
elif nbHandlers == 1:
fac = handlers[0]
elif nbHandlers > 1:
selector = DataEditorSelector( [h.name for h in handlers] )
if selector.exec_() == QtGui.QDialog.Rejected:
return
else:
facName = selector.get_selected()
fac = filter(lambda x: x.name == facName, handlers)[0]
return fac
def __onLayoutChosen(self, index):
"""Called when a user chooses a layout. Fetches the corresponding
layout from the registered applications and installs a new splitter
in the central window."""
proj = self.__projMan.get_active_project()
layoutName = str(self._layoutMode.itemText(index))
if layoutName is None or layoutName == "":
return
data = self._layoutMode.itemData(index)#.toPyObject()
if data and isinstance(data, CustomSplittable):
index = self.__centralStack.indexOf(data)
if index == -1:
self.__centralStack.addWidget(data)
self.__centralStack.setCurrentWidget(data)
else:
# layoutNames encodes the application
# name and the layout name:
# they are seperated by a period.
layout = LayoutManager().get(layoutName)
if not layout:
return
# -- FILL THE LAYOUT WITH WIDGETS DESCRIBED BY THE APPLET MAP --
# create new splittable and retreive objects from previous
newSplit, taken = self.__new_splittable(layout.skeleton)
contentmap = layout.contentmap
afm = AppletFactoryManager()
gdm = GlobalDataManager()
for paneId in newSplit.leaves():
contentDesc = contentmap.get(paneId)
if not contentDesc:
space = AppletSpace(proj=proj)
else:
resName, resType = contentDesc
if resType == "g":
dataName = resName
data = gdm.get_data_by_name(dataName)
appFac = DataEditorSelector.mime_type_handler([data.mimetype], applet=True)
elif resType == "a":
appletName = resName
appFac = afm.get(appletName)
if appFac is None:
self.logger.error("__onLayoutChosen has None factory for "+
resName)
continue
try:
space = appFac(proj)
if resType == "g":
space.show_data(data)
except Exception, e:
self.logger.error("__onLayoutChosen cannot display "+ \
resName+":"+\
e.message)
traceback.print_exc()
continue
if space:
self.__setSpaceAt(newSplit, paneId, space)
self.__centralStack.addWidget(newSplit)
self.__centralStack.setCurrentWidget(newSplit)
self._layoutMode.setItemData(index, to_qvariant(newSplit))