def doDoubleClicked(self, index: QModelIndex):
"""
SIGNAL: doubleClicked
This signal is emitted when a mouse button is double-clicked.
The item the mouse was double-clicked on is specified by index.
The signal is only emitted when the index is valid.
Note that single click will also get called.
Args:
index (QModelIndex): The index
"""
if self.gui is None or not index.isValid():
return
# name of component
name = index.sibling(index.row(), 0).data()
self.gui.canvas.zoom_on_components([name])
def viewClicked(self, index: QModelIndex):
"""Select a component and set it in the compoient widget when you left
click.
In the init, we had to connect with self.clicked.connect(self.viewClicked)
Args:
index (QModelIndex): The index
"""
if self.gui is None or not index.isValid():
return
# get the component name
# model = clickedIndex.model() # type: QTableModel_AllComponents
name = index.sibling(index.row(), 0).data()
self.logger.debug(f'Selected component {name}')
gui = self.gui
gui.edit_component(name)
gui.ui.dockComponent.show()
gui.ui.dockComponent.raise_()
class HierarchyTreeView(QTreeView):
"""
Graficki prikaz hijerarhijskog stabla uz implementiran kontekstni meni, i displayer za sadrzaj stranice
"""
def __init__(self, model):
"""
Konstruktor
Uključuje opciju prikazivanja kontekstnog menija.
"""
super(HierarchyTreeView, self).__init__()
self.tree = model
self.setModel(self.tree)
self.setSelectionMode(QAbstractItemView.SingleSelection)
self.tree.removedPage.connect(self.Clear)
self.tree.clearedSignal.connect(self.Clear)
# ukljucuje kontekstni meni
self.setContextMenuPolicy(Qt.CustomContextMenu)
self.customContextMenuRequested.connect(self.openMenu)
selModel = self.selectionModel()
selModel.selectionChanged.connect(self.updateTxt)
selModel.selectionChanged.connect(self.updateSelection)
self.lastSelectedPage = Page("tmp")
self.lastSelectedIndex = QModelIndex()
def getModel(self):
"""
Vraca tree
Return:
Tree
"""
return self.tree
def openMenu(self, position):
"""
Metoda povezana na customContextMenuRequested. Kreira kontekstni meni sa akcijama dodavanja, brisanja i promene naziva elemenata.
Kontekstni meni se prikazuje na poziciji na kojoj se nalazio kursor misa.
Args:
position(QPoint): pozicija kursora misa
"""
self.contextMenu = QMenu()
actionManager = QApplication.instance().actionManager
tmp = QApplication.instance().selectionModel
if not isinstance(tmp, Text) and not isinstance(tmp, Picture):
self.contextMenu.addAction(actionManager.addChildAction)
self.contextMenu.addAction(actionManager.addAtAction)
self.contextMenu.addAction(actionManager.addBefore)
self.contextMenu.addSeparator()
if not isinstance(tmp, Page):
self.contextMenu.addAction(actionManager.renameNodeAction)
#if isinstance(tmp, Picture):
#self.contextMenu.addAction(actionManager.renameNodeAction)
self.contextMenu.addAction(actionManager.removeChildAction)
# prikaz kontekstnog menija
self.contextMenu.exec_(self.viewport().mapToGlobal(position))
def mousePressEvent(self, event):
"""
Redefinisanje mouse pressed event-a.
Uradjeno jer default-na implementacija rukovanja ovim dogadjajem ne podrazumeva deselekciju elementa stabla prilikom klika na praznu povrsinu.
"""
if (self.selectionMode() == QAbstractItemView.SingleSelection):
self.selectionModel().clear()
self.clearSelection()
self.setCurrentIndex(QModelIndex())
super(HierarchyTreeView, self).mousePressEvent(event)
def updateSelection(self, new):
"""
Promena selekcije
"""
if new.empty():
self.SelectRoot()
else:
QApplication.instance().selectionModel = self.selectionModel(
).currentIndex().internalPointer()
def Clear(self):
"""
Refresh stranice
"""
try:
self.clearSelection()
self.setCurrentIndex(self.lastSelectedIndex)
except:
pass
def SelectRoot(self):
"""
Selektovanje koren node
"""
QApplication.instance().selectionModel = self.model().root
def updateTxt(self):
"""
Updateovanje status bara, labela za prikaz stranice, sadrzaja text i slika komponenti pri promeni selektovane strane
"""
try:
tmp = self.selectionModel().currentIndex().internalPointer()
if isinstance(tmp, Page):
self.lastSelectedIndex = self.selectionModel().currentIndex()
widgetList = []
j = 0
for i in reversed(range(QApplication.instance().page.count())):
QApplication.instance().page.takeAt(i).widget().setParent(
None)
for child in tmp.getChildren():
try:
if isinstance(child, Text):
widget = MyTextEdit(child)
QApplication.instance().page.addWidget(
widget, Qt.FramelessWindowHint)
widget.show()
if isinstance(child, Picture):
widget = MyPictureEdit(child)
QApplication.instance().page.addWidget(widget)
widget.show()
widgetList.append(widget)
for widget in widgetList:
widget.setPosition(widget.object.getPosition())
except Exception as e:
print(e)
pageLabel = QApplication.instance().pageLabel
pageLabel.setText(
str(tmp.getName()[:-1]) + ": " + tmp.getName()[-1])
self.lastSelectedPage = tmp
if isinstance(tmp, Page):
QApplication.instance().statusBar.setText(
str(tmp.getParent().getParent().getName()) + "->" +
str(tmp.getParent().getName()) + "->" + str(tmp.getName()))
if isinstance(tmp, Chapter):
QApplication.instance().statusBar.setText(
str(tmp.getParent().getName()) + "->" + str(tmp.getName()))
except:
pass
def leftButtonPressed(self):
"""
Prelazak na prethodnu stranu
"""
try:
tmp = self.lastSelectedIndex.sibling(
self.lastSelectedPage.getIndex() - 1, 0)
if tmp.isValid():
self.setCurrentIndex(tmp)
self.lastSelectedIndex = tmp
self.lastSelectedPage = self.selectionModel().currentIndex(
).internalPointer()
else:
parent = self.lastSelectedIndex.parent()
pageUncle = self.lastSelectedPage.getParent()
book = pageUncle.getParent()
index = pageUncle.getIndex()
i = -1
while len(book.childAt(index + i).getChildren()) == 0:
i -= 1
parent = parent.sibling(
self.lastSelectedPage.getParent().getIndex() + i, 0)
i = 0
isValid = True
while isValid:
if parent.child(i, 0).isValid():
i += 1
else:
isValid = False
parent = parent.child(i - 1, 0)
if parent.isValid():
self.setCurrentIndex(parent)
self.lastSelectedIndex = parent
self.lastSelectedPage = self.selectionModel().currentIndex(
).internalPointer()
except:
pass
def rightButtonPressed(self):
"""
Prelazak na narednu stranu
"""
try:
tmp = self.lastSelectedIndex.sibling(
self.lastSelectedPage.getIndex() + 1, 0)
if tmp.isValid():
self.setCurrentIndex(tmp)
self.lastSelectedIndex = tmp
self.lastSelectedPage = self.selectionModel().currentIndex(
).internalPointer()
else:
parent = self.lastSelectedIndex.parent()
pageUncle = self.lastSelectedPage.getParent()
book = pageUncle.getParent()
index = pageUncle.getIndex()
i = 1
while len(book.childAt(index + i).getChildren()) == 0:
i += 1
parent = parent.sibling(
self.lastSelectedPage.getParent().getIndex() + i, 0)
parent = parent.child(0, 0)
if parent.isValid():
self.setCurrentIndex(parent)
self.lastSelectedIndex = parent
self.lastSelectedPage = self.selectionModel().currentIndex(
).internalPointer()
except:
pass
def _next_sibling(idx: QModelIndex, reverse: bool):
return idx.sibling(idx.row() + (-1 if reverse else 1), idx.column())
def get_column_value(self, index: QModelIndex, col: int):
return self.sourceModel().data(index.sibling(index.row(), col),
Qt.DisplayRole)