C++ NodeElement::resize方法代码示例

void NodeElement::changeFoldState()
{
	mIsFolded = !mIsFolded;

	for (QGraphicsItem* childItem : childItems()) {
		NodeElement* curItem = dynamic_cast<NodeElement*>(childItem);
		if (curItem) {
			curItem->setVisible(!mIsFolded);
			curItem->setLinksVisible(!mIsFolded);
		}
	}

	if (mIsFolded) {
		mCurUnfoldedContents = mContents;
		mFoldedContents.moveTo(pos());
		setGeometry(mFoldedContents);
	}
	else {
		mCurUnfoldedContents.moveTo(pos());
		setGeometry(mCurUnfoldedContents);
	}
	mGraphicalAssistApi.mutableGraphicalRepoApi().setProperty(mId, "folded", mIsFolded ? "true" : "false");

	NodeElement* parent = dynamic_cast<NodeElement*>(parentItem());
	if (parent) {
		parent->resize();
	}
	updateLabels();
}

void NodeElement::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
{
	if (dynamic_cast<NodeElement *>(scene()->mouseGrabberItem()) == this) {
		ungrabMouse();
	}

	if (event->button() == Qt::RightButton) {
		event->accept();
		return;
	}
	deleteGuides();

	storeGeometry();

	if (scene() && (scene()->selectedItems().size() == 1) && isSelected()) {
		setVisibleEmbeddedLinkers(true);
	}

	if (mDragState == None) {
		Element::mouseReleaseEvent(event);
	}

	EditorViewScene *evScene = dynamic_cast<EditorViewScene *>(scene());
	commands::InsertIntoEdgeCommand *insertCommand = new commands::InsertIntoEdgeCommand(
			*evScene, mModels, id(), id(), Id::rootId(), event->scenePos(), boundingRect().bottomRight(), false);

	bool shouldProcessResize = true;

	// we should use mHighlightedNode to determine if there is a highlighted node
	// insert current element into them and set mHighlightedNode to nullptr
	// but because of mouseRelease twice triggering we can't do it
	// This may cause more bugs
	if (flags() & ItemIsMovable) {
		if (mHighlightedNode) {
			NodeElement *newParent = mHighlightedNode;
			Element *insertBefore = mHighlightedNode->getPlaceholderNextElement();
			mHighlightedNode->erasePlaceholder(false);
			// commented because of bug with double event sending (see #204)
			// mHighlightedNode = nullptr;

			QPointF newPos = mapToItem(newParent, mapFromScene(scenePos()));
			AbstractCommand *parentCommand = changeParentCommand(newParent->id(), newPos);
			mController->execute(parentCommand);
			// Position change already processed in change parent command
			shouldProcessResize = parentCommand == nullptr;
			setPos(newPos);

			if (insertBefore) {
				mGraphicalAssistApi.stackBefore(id(), insertBefore->id());
			}

			newParent->resize();

			while (newParent) {
				newParent->mContents = newParent->mContents.normalized();
				newParent->storeGeometry();
				newParent = dynamic_cast<NodeElement*>(newParent->parentItem());
			}
		} else {
			AbstractCommand *parentCommand = changeParentCommand(evScene->rootItemId(), scenePos());
			mController->execute(parentCommand);
			// Position change already processed in change parent command
			shouldProcessResize = parentCommand == nullptr;
		}
	}

	for (EdgeElement* edge : mEdgeList) {
		edge->layOut();
		if (SettingsManager::value("ActivateGrid").toBool()) {
			edge->alignToGrid();
		}
	}

	if (shouldProcessResize && mResizeCommand) {
		mResizeCommand->addPostAction(insertCommand);
		endResize();
	}

	updateBySelection();
	mDragState = None;
}