def init_view(self):
self.btree_scene = QGraphicsScene()
self.btree_view = NodeEditorView(self.btree_scene)
self.btree_view.setAttribute(Qt.WA_DeleteOnClose)
self.btree_scene.setSceneRect(AREA)
self.vm = NodeEditorVM(self.model, self.btree_view, self.btree_scene,
self)
def init_view(self):
self.btree_scene = QGraphicsScene()
self.btree_view = NodeEditorView(self.btree_scene)
self.btree_view.setAttribute(Qt.WA_DeleteOnClose)
self.btree_scene.setSceneRect(AREA)
self.vm = NodeEditorVM(self.model, self.btree_view, self.btree_scene, self)
class BTreeInstanceVM(object):
def __init__(self, model, parent, file_name):
self.file_name = file_name
self.file_path = os.path.abspath(file_name)
self.modified = False
self.model = model
self.parent = parent
self.current_graphics_node = None
self.init_view()
self.sub_window = parent.mdi.addSubWindow(self.btree_view)
self.sub_window.instance = self
self.sub_window.setAttribute(Qt.WA_DeleteOnClose)
self.update_title()
self.btree_view.closeEvent = self.close_handler
parent.add_instance(self)
self.sub_window.show()
self.vm.refresh()
def init_view(self):
self.btree_scene = QGraphicsScene()
self.btree_view = NodeEditorView(self.btree_scene)
self.btree_view.setAttribute(Qt.WA_DeleteOnClose)
self.btree_scene.setSceneRect(AREA)
self.vm = NodeEditorVM(self.model, self.btree_view, self.btree_scene, self)
def set_dirty(self):
self.set_modified(True)
def set_modified(self, b):
self.modified = b
self.sub_window.setWindowModified(b)
def update_title(self):
self.sub_window.setWindowTitle(self.file_path + "[*]")
def close_handler(self, ev):
if self.modified:
ret = QMessageBox().question(
self.btree_view, "Confirm",
"close without saving?",
QMessageBox.Yes | QMessageBox.No)
if ret == QMessageBox.No:
ev.ignore()
return
self.parent.remove_instance(self)
def activation_handler(self):
#print("%s about to be activated" % self)
pass
def deactivation_handler(self):
#print("%s about to be deactivated" % self)
self.vm.cancel_selection()
def focus_on(self, node_id):
self.parent.mdi.setActiveSubWindow(self.sub_window)
node = self.model.get_node(node_id)
if node is None:
return False
self.vm.selected_node = node
self.vm.refresh()
return True
class BTreeInstanceVM(object):
def __init__(self, model, parent, file_name):
self.file_name = file_name
self.file_path = os.path.abspath(file_name)
self.modified = False
self.model = model
self.parent = parent
self.current_graphics_node = None
self.init_view()
self.sub_window = parent.mdi.addSubWindow(self.btree_view)
self.sub_window.instance = self
self.sub_window.setAttribute(Qt.WA_DeleteOnClose)
self.update_title()
self.btree_view.closeEvent = self.close_handler
parent.add_instance(self)
self.sub_window.show()
self.vm.refresh()
def init_view(self):
self.btree_scene = QGraphicsScene()
self.btree_view = NodeEditorView(self.btree_scene)
self.btree_view.setAttribute(Qt.WA_DeleteOnClose)
self.btree_scene.setSceneRect(AREA)
self.vm = NodeEditorVM(self.model, self.btree_view, self.btree_scene,
self)
def set_dirty(self):
self.set_modified(True)
def set_modified(self, b):
self.modified = b
self.sub_window.setWindowModified(b)
def update_title(self):
self.sub_window.setWindowTitle(self.file_path + "[*]")
def close_handler(self, ev):
if self.modified:
ret = QMessageBox().question(self.btree_view, "Confirm",
"close without saving?",
QMessageBox.Yes | QMessageBox.No)
if ret == QMessageBox.No:
ev.ignore()
return
self.parent.remove_instance(self)
def activation_handler(self):
#print("%s about to be activated" % self)
pass
def deactivation_handler(self):
#print("%s about to be deactivated" % self)
self.vm.cancel_selection()
def focus_on(self, node_id):
self.parent.mdi.setActiveSubWindow(self.sub_window)
node = self.model.get_node(node_id)
if node is None:
return False
self.vm.selected_node = node
self.vm.refresh()
return True