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#!/usr/bin/env python
#############################################################################
##
## This file is part of Taurus
##
## http://taurus-scada.org
##
## Copyright 2011 CELLS / ALBA Synchrotron, Bellaterra, Spain
##
## Taurus is free software: you can redistribute it and/or modify
## it under the terms of the GNU Lesser General Public License as published by
## the Free Software Foundation, either version 3 of the License, or
## (at your option) any later version.
##
## Taurus is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU Lesser General Public License for more details.
##
## You should have received a copy of the GNU Lesser General Public License
## along with Taurus. If not, see <http://www.gnu.org/licenses/>.
##
#############################################################################
"""
"""
__all__ = ["QObjectRepresentation", "get_qobject_tree", "get_qobject_tree_str",
"TreeQObjectModel", "TreeQObjectWidget"]
__docformat__ = 'restructuredtext'
import weakref
from taurus.external.qt import Qt
from taurus.core.util.enumeration import Enumeration
QObjectRepresentation = Enumeration('QObjectRepresentation',
('ClassName', 'ObjectName', 'FullName'))
def _build_qobjects_as_dict(qobject, container):
container[qobject] = childs = {}
for child in qobject.children():
if isinstance(child, Qt.QWidget):
_build_qobjects_as_dict(child, childs)
def get_qobject_tree_as_dict(qobject=None):
if qobject is None:
app = Qt.QApplication.instance()
qobjects = app.topLevelWidgets()
else:
qobjects = [qobject]
tree = {}
for qobject in qobjects:
_build_qobjects_as_dict(qobject, tree)
return tree
def _build_qobjects_as_list(qobject, container):
children = qobject.children()
node = qobject, []
container.append(node)
for child in children:
if isinstance(child, Qt.QWidget):
_build_qobjects_as_list(child, node[1])
def get_qobject_tree_as_list(qobject=None):
if qobject is None:
app = Qt.QApplication.instance()
qobjects = app.topLevelWidgets()
else:
qobjects = [qobject]
tree = []
for qobject in qobjects:
_build_qobjects_as_list(qobject, tree)
return tree
get_qobject_tree = get_qobject_tree_as_list
def _get_qobject_str(qobject, representation):
if representation == QObjectRepresentation.ClassName:
return qobject.__class__.__name__
elif representation == QObjectRepresentation.ObjectName:
return str(qobject.objectName())
elif representation == QObjectRepresentation.FullName:
return '{0}("{1}")'.format(qobject.__class__.__name__, str(qobject.objectName()))
return str(qobject)
def _build_qobject_str(node, str_tree, representation=QObjectRepresentation.ClassName):
qobject, children = node
str_node = _get_qobject_str(qobject, representation)
str_children = []
str_tree.append((str_node, str_children))
for child in children:
_build_qobject_str(child, str_children, representation=representation)
def get_qobject_tree_str(qobject=None, representation=QObjectRepresentation.ClassName):
tree, str_tree = get_qobject_tree(qobject=qobject), []
for e in tree:
_build_qobject_str(e, str_tree, representation=representation)
return str_tree
from taurus.qt.qtgui.tree.qtree import QBaseTreeWidget
from taurus.qt.qtcore.model import TaurusBaseModel, TaurusBaseTreeItem
QR = QObjectRepresentation
class TreeQObjecttItem(TaurusBaseTreeItem):
def __init__(self, model, data, parent = None):
TaurusBaseTreeItem.__init__(self, model, data, parent=parent)
if data is not None:
self.qobject = weakref.ref(data)
dat = _get_qobject_str(data, QR.ClassName), \
_get_qobject_str(data, QR.ObjectName)
self.setData(0, dat)
class TreeQObjectModel(TaurusBaseModel):
ColumnNames = "Class", "Object name"
ColumnRoles = (QR.ClassName,), QR.ObjectName
def __init__(self, parent=None, data=None):
TaurusBaseModel.__init__(self, parent=parent, data=data)
# def createNewRootItem(self):
# return TreeQObjecttItem(self, self.ColumnNames)
def role(self, column, depth=0):
if column == 0:
return self.ColumnRoles[column][0]
return self.ColumnRoles[column]
def roleIcon(self, taurus_role):
return Qt.QIcon()
def roleSize(self, taurus_role):
return Qt.QSize(300, 70)
def roleToolTip(self, role):
return "widget information"
@staticmethod
def _build_qobject_item(model, parent, node):
qobject, children = node
item = TreeQObjecttItem(model, qobject, parent)
parent.appendChild(item)
for child in children:
TreeQObjectModel._build_qobject_item(model, item, child)
def setupModelData(self, data):
if data is None:
return
rootItem = self._rootItem
for node in data:
TreeQObjectModel._build_qobject_item(self, rootItem, node)
class TreeQObjectWidget(QBaseTreeWidget):
KnownPerspectives = {
"Default" : {
"label" : "Default perspecive",
"tooltip" : "QObject tree view",
"icon" : "",
"model" : [TreeQObjectModel],
},
}
DftPerspective = "Default"
def __init__(self, parent=None, designMode=False, with_navigation_bar=True,
with_filter_widget=True, perspective=None, proxy=None,
qobject_root=None):
QBaseTreeWidget.__init__(self, parent, designMode=designMode,
with_navigation_bar=with_navigation_bar,
with_filter_widget=with_filter_widget,
perspective=perspective, proxy=proxy)
qmodel = self.getQModel()
qmodel.setDataSource(get_qobject_tree(qobject=qobject_root))
def build_gui():
mw = Qt.QMainWindow()
mw.setObjectName("main window")
w = Qt.QWidget()
w.setObjectName("central widget")
mw.setCentralWidget(w)
l = Qt.QVBoxLayout()
w.setLayout(l)
l1 = Qt.QLabel("H1")
l1.setObjectName("label 1")
l.addWidget(l1)
l2 = Qt.QLabel("H2")
l2.setObjectName("label 2")
l.addWidget(l2)
mw.show()
return mw
def main():
from taurus.qt.qtgui.application import TaurusApplication
app = TaurusApplication()
w = build_gui()
tree = TreeQObjectWidget(qobject_root=w)
tree.show()
#import pprint
#pprint.pprint(get_qobject_tree_str())
w.dumpObjectTree()
app.exec_()
if __name__ == "__main__":
main()
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