高亮路径

StoryPresent/dag_layout.cpp

@@ -228,7 +228,14 @@ QList<std::shared_ptr<DAGOrderHelper>> DAGGraph::tidy_graph_nodes() {
 }
 
 #include <QDebug>
-void DAGGraph::graph_layer_nodes_sort_forward(int layer_index, const QList<std::shared_ptr<DAGOrderHelper>>& nodes) {
+void dags::DAGGraph::graph_layout_layers_forward(const QList<std::shared_ptr<DAGOrderHelper>>& nodes)
+{
+	for (auto layer_index = 0; layer_index < maxLayerCount(); ++layer_index) {
+		this->nodes_sort_forward_within_layer(layer_index, nodes);
+		this->nodes_sort_with_above(layer_index, nodes);
+	}
+}
+void DAGGraph::nodes_sort_forward_within_layer(int layer_index, const QList<std::shared_ptr<DAGOrderHelper>>& nodes) {
 	QList<std::shared_ptr<DAGOrderHelper>> nodes_within_current_layer;
 	std::copy_if(nodes.begin(), nodes.end(), std::back_inserter(nodes_within_current_layer),
 	[=](std::shared_ptr<DAGOrderHelper> ins) { return ins->layerNumber() == layer_index; });
@@ -270,44 +277,19 @@ void DAGGraph::graph_layer_nodes_sort_forward(int layer_index, const QList<std::
 				}
 			}
 
-			// 提取当前层次节点排序值
-			this->current_nodelist_filling_indi(layer_index, nodes);
-		}
+			std::sort(nodes_within_current_layer.begin(), nodes_within_current_layer.end(),
+			[](std::shared_ptr<DAGOrderHelper> a, std::shared_ptr<DAGOrderHelper> b) {
+				return a->sortNumber() < b->sortNumber();
+			});
 
-		this->nodes_sort_with_above(layer_index, nodes);
-		this->graph_layer_nodes_sort_forward(layer_index + 1, nodes);
+			// 提取当前层次节点排序值
+			this->current_nodelist_filling_indi(nodes_within_current_layer);
+		}
 	}
 }
 
-bool dags::DAGGraph::current_nodelist_filling_indi(int layer_index, const QList<std::shared_ptr<DAGOrderHelper>>& nodes)
+bool dags::DAGGraph::current_nodelist_filling_indi(const QList<std::shared_ptr<DAGOrderHelper>>& nodes_within_current_layer)
 {
-	// 提取本层次节点
-	QList<std::shared_ptr<DAGOrderHelper>> nodes_within_current_layer;
-	std::copy_if(nodes.begin(), nodes.end(), std::back_inserter(nodes_within_current_layer),
-	[=](std::shared_ptr<DAGOrderHelper> ins) { return ins->layerNumber() == layer_index; });
-	if (!nodes_within_current_layer.size())
-		return false;
-
-	std::sort(nodes_within_current_layer.begin(), nodes_within_current_layer.end(),
-		[](std::shared_ptr<DAGOrderHelper>a, std::shared_ptr<DAGOrderHelper> b)->bool {
-		auto prevs_a = a->getUpstreamNodes();
-		auto prevs_b = b->getUpstreamNodes();
-
-		if (!prevs_a.size() && !prevs_b.size())
-			return a > b;
-		if (!prevs_a.size())
-			return true;
-		if (!prevs_b.size())
-			return false;
-
-		auto upnode_a = std::min_element(prevs_a.begin(), prevs_a.end(),
-		[](std::shared_ptr<DAGOrderHelper> a, std::shared_ptr<DAGOrderHelper> b) { return a->sortNumber() < b->sortNumber(); });
-		auto upnode_b = std::min_element(prevs_b.begin(), prevs_b.end(),
-		[](std::shared_ptr<DAGOrderHelper> a, std::shared_ptr<DAGOrderHelper> b) { return a->sortNumber() < b->sortNumber(); });
-
-		return (*upnode_a)->sortNumber() < (*upnode_b)->sortNumber();
-	});
-
 	// ÌáÈ¡½Úµã»®·Öµµ´Î
 	QList<int> ordered_values;
 	std::transform(nodes_within_current_layer.begin(), nodes_within_current_layer.end(),
@@ -378,18 +360,18 @@ void dags::DAGGraph::nodes_sort_with_above(int layer_index, const QList<std::sha
 	}
 }
 
-void dags::DAGGraph::graph_adjust_after_layout(const QList<std::shared_ptr<DAGOrderHelper>>& total_nodes)
+void dags::DAGGraph::graph_adjust_layers_backward(const QList<std::shared_ptr<DAGOrderHelper>>& total_nodes)
 {
 	auto layer_index = this->maxLayerCount() - 1;
 	while (layer_index > -1) {
-		this->layer_adjust_via_next_sibling(layer_index, total_nodes);
-		if (this->current_nodelist_filling_indi(layer_index, total_nodes))
+		auto nlist = this->layer_adjust_via_next_sibling(layer_index, total_nodes);
+		if (this->current_nodelist_filling_indi(nlist))
 			this->nodes_sort_with_belows(layer_index, total_nodes);
 		layer_index--;
 	};
 }
 
-bool dags::DAGGraph::layer_adjust_via_next_sibling(int curr_layer, const QList<std::shared_ptr<DAGOrderHelper>>& total_nodes)
+QList<std::shared_ptr<DAGOrderHelper>> dags::DAGGraph::layer_adjust_via_next_sibling(int curr_layer, const QList<std::shared_ptr<DAGOrderHelper>>& total_nodes)
 {
 	QList<std::shared_ptr<DAGOrderHelper>> curr_layer_nodes;
 	std::copy_if(total_nodes.begin(), total_nodes.end(), std::back_inserter(curr_layer_nodes),
@@ -399,7 +381,27 @@ bool dags::DAGGraph::layer_adjust_via_next_sibling(int curr_layer, const QList<s
 		this->node_adjust_via_next_sibling(node, total_nodes);
 	}
 
-	return curr_layer;
+	std::sort(curr_layer_nodes.begin(), curr_layer_nodes.end(),
+		[](std::shared_ptr<DAGOrderHelper>a, std::shared_ptr<DAGOrderHelper> b)->bool {
+		auto prevs_a = a->getUpstreamNodes();
+		auto prevs_b = b->getUpstreamNodes();
+
+		if (!prevs_a.size() && !prevs_b.size())
+			return a > b;
+		if (!prevs_a.size())
+			return true;
+		if (!prevs_b.size())
+			return false;
+
+		auto upnode_a = std::min_element(prevs_a.begin(), prevs_a.end(),
+		[](std::shared_ptr<DAGOrderHelper> a, std::shared_ptr<DAGOrderHelper> b) { return a->sortNumber() < b->sortNumber(); });
+		auto upnode_b = std::min_element(prevs_b.begin(), prevs_b.end(),
+		[](std::shared_ptr<DAGOrderHelper> a, std::shared_ptr<DAGOrderHelper> b) { return a->sortNumber() < b->sortNumber(); });
+
+		return (*upnode_a)->sortNumber() < (*upnode_b)->sortNumber();
+	});
+
+	return curr_layer_nodes;
 }
 
 void dags::DAGGraph::node_adjust_via_next_sibling(std::shared_ptr<DAGOrderHelper> curr_node, const QList<std::shared_ptr<DAGOrderHelper>>& total_nodes)
@@ -468,7 +470,257 @@ void dags::DAGGraph::nodes_sort_with_belows(int curr_layer, const QList<std::sha
 	}
 }
 
-void dags::DAGGraph::graphLayout() {
+void dags::DAGGraph::node_adjust_ingraph_forward(const QList<std::shared_ptr<DAGOrderHelper>>& total_nodes)
+{
+	int layer_index = 0;
+	while (this->nodes_revise_forward_within_layer(layer_index, total_nodes)) {
+		this->node_adjust_inlayer_partition_indi(layer_index, total_nodes);
+		this->nodes_sort_with_above(layer_index, total_nodes);
+		layer_index++;
+	}
+}
+
+bool dags::DAGGraph::nodes_revise_forward_within_layer(int layer_index, const QList<std::shared_ptr<DAGOrderHelper>>& nodes)
+{
+	if (layer_index) {
+		QList<std::shared_ptr<DAGOrderHelper>> nodes_within_current_layer;
+		std::copy_if(nodes.begin(), nodes.end(), std::back_inserter(nodes_within_current_layer),
+		[=](std::shared_ptr<DAGOrderHelper> n) { return n->layerNumber() == layer_index; });
+
+		QList<std::pair<int, int>> sort_arrows;
+		std::for_each(nodes_within_current_layer.begin(), nodes_within_current_layer.end(), 
+		[&](std::shared_ptr<DAGOrderHelper> curr_node) {
+			auto prev_nodes = curr_node->getUpstreamNodes();
+			std::for_each(prev_nodes.begin(), prev_nodes.end(),
+			[&](std::shared_ptr<DAGOrderHelper> n) {
+				sort_arrows << std::make_pair(n->sortNumber().toInt(), curr_node->sortNumber().toInt());
+			});
+		});
+
+
+	}
+	return true;
+}
+
+/*
+bool dags::DAGGraph::node_adjust_inlayer_forward(int curr_layer, const QList<std::shared_ptr<DAGOrderHelper>>& total_nodes)
+{
+	// 挑选当前层次节点
+	QList<std::shared_ptr<DAGOrderHelper>> curr_layer_nodes;
+	std::copy_if(total_nodes.begin(), total_nodes.end(), std::back_inserter(curr_layer_nodes),
+	[&](std::shared_ptr<DAGOrderHelper> inst) { return inst->layerNumber() == curr_layer; });
+
+	if (!curr_layer_nodes.size())
+		return false;
+
+	// 计算排序系数
+	QList<std::tuple<std::shared_ptr<DAGOrderHelper>, qlonglong, qlonglong, qlonglong, qlonglong>> orders_helper;
+	std::transform(curr_layer_nodes.begin(), curr_layer_nodes.end(), std::back_inserter(orders_helper),
+	[&](std::shared_ptr<DAGOrderHelper> ins) {
+		auto val_p = this->node_evaluate_with_upstream(ins, total_nodes);
+		auto val_n = this->node_evaluate_with_downstream(ins, total_nodes);
+		return std::make_tuple(ins, val_n.first, val_n.second, val_p.first, val_p.second);
+	});
+
+	// 排序当前层次节点
+	std::sort(orders_helper.begin(), orders_helper.end(), [](
+		std::tuple<std::shared_ptr<DAGOrderHelper>, qlonglong, qlonglong, qlonglong, qlonglong> a,
+		std::tuple<std::shared_ptr<DAGOrderHelper>, qlonglong, qlonglong, qlonglong, qlonglong> b)
+	{
+		auto prev_nodesa = std::get<0>(a)->getUpstreamNodes();
+		auto prev_nodesb = std::get<0>(b)->getUpstreamNodes();
+		if (!prev_nodesa.size() && !prev_nodesb.size())
+			return a < b;
+
+		if (prev_nodesa.size() && prev_nodesb.size()) {
+			if (std::get<3>(a) == std::get<3>(b)) {
+				if (std::get<4>(a) == std::get<4>(b)) {
+					if (std::get<1>(a) == std::get<1>(b)) {
+						return std::get<2>(a) < std::get<2>(b);
+					}
+					return std::get<1>(a) < std::get<1>(b);
+				}
+				return std::get<4>(a) < std::get<4>(b);
+			}
+			return std::get<3>(a) < std::get<3>(b);
+		}
+
+		if (prev_nodesa.size()) {
+			return false;
+		}
+		return true;
+	});
+
+	QList<int> sort_values;
+	std::transform(curr_layer_nodes.begin(), curr_layer_nodes.end(), std::back_inserter(sort_values),
+	[](std::shared_ptr<DAGOrderHelper> ins) { return ins->sortNumber().toInt(); });
+	std::sort(sort_values.begin(), sort_values.end());
+
+	// 重新设定节点次序
+	for (auto idx = 0; idx < sort_values.size(); ++idx) {
+		std::get<0>(orders_helper[idx])->setSortNumber(sort_values[idx]);
+	}
+
+	return true;
+}
+*/
+bool dags::DAGGraph::node_adjust_inlayer_partition_indi(int layer_index, const QList<std::shared_ptr<DAGOrderHelper>>& total_nodes)
+{
+	// 提取层次节点并排序节点
+	QList<std::shared_ptr<DAGOrderHelper>> nodes_within_current_layer;
+	std::copy_if(total_nodes.begin(), total_nodes.end(), std::back_inserter(nodes_within_current_layer),
+	[=](std::shared_ptr<DAGOrderHelper> inst) {
+		return layer_index == inst->layerNumber();
+	});
+	std::sort(nodes_within_current_layer.begin(), nodes_within_current_layer.end(),
+	[](std::shared_ptr<DAGOrderHelper> a, std::shared_ptr<DAGOrderHelper> b) {
+		return a->sortNumber() < b->sortNumber();
+	});
+	if (!nodes_within_current_layer.size())
+		return false;
+
+	// 获取布局系数
+	QList<std::pair<std::shared_ptr<DAGOrderHelper>, QVariant>> sort_helper;
+	for (auto& inst : nodes_within_current_layer) {
+		auto prev_nodes = inst->getUpstreamNodes();
+		if (!prev_nodes.size()) {
+			sort_helper.append(std::make_pair(inst, QVariant()));
+			continue;
+		}
+
+		auto anchor_it = std::min_element(prev_nodes.begin(), prev_nodes.end(),
+		[](std::shared_ptr<DAGOrderHelper> a, std::shared_ptr<DAGOrderHelper> b) {
+			return a->layerNumber() < b->layerNumber();
+		});
+		sort_helper.append(std::make_pair(inst, (*anchor_it)->sortNumber()));
+	}
+
+	QList<QVariant> sort_backup;
+	std::transform(sort_helper.begin(), sort_helper.end(), std::back_inserter(sort_backup),
+	[](std::pair<std::shared_ptr<DAGOrderHelper>, QVariant> u) { return u.second; });
+
+	auto aligned_items_count = std::count_if(sort_backup.begin(), sort_backup.end(), [](QVariant u) { return !u.isNull(); });
+	if (!aligned_items_count)
+		return false;
+
+	// 补全布局系数
+	QVariant start_value;
+	for (auto idx = 0; idx < sort_helper.size(); ++idx) {
+		auto curr_u = sort_helper[idx];
+		if (!curr_u.second.isNull()) {
+			start_value = curr_u.second;
+			if (idx > 0) {
+				auto u = sort_helper[0];
+				sort_helper[0] = std::make_pair(u.first, start_value.toInt() - 1);
+			}
+			break;
+		}
+	}
+	for (int idx = 1; idx < sort_helper.size(); ++idx) {
+		auto prev_u = sort_helper[idx - 1];
+		auto curr_u = sort_helper[idx];
+
+		if (curr_u.second.isNull()) {
+			sort_helper[idx] = std::make_pair(curr_u.first, prev_u.second);
+		}
+		if (curr_u.second < prev_u.second) {
+			sort_helper[idx] = std::make_pair(curr_u.first, prev_u.second);
+		}
+	}
+
+	double sub_sum = 0;
+	// 计算修正系数
+	for (auto ndx = 0; ndx < sort_backup.size(); ndx++) {
+		auto valbk = sort_backup[ndx];
+		auto val2 = sort_helper[ndx].second;
+		if (!valbk.isNull()) {
+			sub_sum += val2.toDouble() - valbk.toDouble();
+		}
+	}
+	auto val_revised = sub_sum / aligned_items_count;
+	std::for_each(sort_helper.begin(), sort_helper.end(),
+	[=](std::pair<std::shared_ptr<DAGOrderHelper>, QVariant> u) {
+		u.first->setSortNumber(u.second.toDouble() - val_revised);
+	});
+
+	this->current_nodelist_filling_indi(nodes_within_current_layer);
+	return true;
+}
+/*
+std::pair<qlonglong, qlonglong> dags::DAGGraph::node_evaluate_with_downstream(std::shared_ptr<DAGOrderHelper> curr_node, const QList<std::shared_ptr<DAGOrderHelper>>& total_nodes)
+{
+	decltype(curr_node) next_node;
+	if (curr_node->isFakeNode()) {
+		auto n_data = curr_node->headsNode();
+		next_node = *std::find_if(total_nodes.begin(), total_nodes.end(), [&](decltype(curr_node) n) {
+			if (!n->isFakeNode()) {
+				return n->layerNode() == n_data;
+			}
+			return false;
+		});
+	}
+	else {
+		auto n_datas = curr_node->layerNode()->nextNodes();
+		if (!n_datas.size())
+			return std::make_pair(curr_node->layerNumber(), curr_node->sortNumber().toLongLong());
+
+		QList<std::shared_ptr<DAGOrderHelper>> next_nodes;
+		std::transform(n_datas.begin(), n_datas.end(), std::back_inserter(next_nodes),
+		[&](std::shared_ptr<DAGLayerHelper> inst) {
+			auto rst = std::find_if(total_nodes.begin(), total_nodes.end(), [&](decltype(curr_node) n) {
+				if (!n->isFakeNode()) {
+					return n->layerNode() == inst;
+				}
+				return false;
+			});
+			return *rst;
+		});
+		next_node = *std::min_element(next_nodes.begin(), next_nodes.end(),
+		[](std::shared_ptr<DAGOrderHelper> a, std::shared_ptr<DAGOrderHelper> b) {
+			if (a->layerNumber() == b->layerNumber())
+				return a->sortNumber() < b->sortNumber();
+			return a->layerNumber() < b->layerNumber();
+		});
+	}
+
+	return std::make_pair(next_node->layerNumber(), next_node->sortNumber().toLongLong());
+}
+
+std::pair<qlonglong, qlonglong> dags::DAGGraph::node_evaluate_with_upstream(std::shared_ptr<DAGOrderHelper> curr_node, const QList<std::shared_ptr<DAGOrderHelper>>& total_nodes)
+{
+	auto prim_nodes = curr_node->getUpstreamNodes();
+	if (!prim_nodes.size())
+		return std::make_pair(curr_node->layerNumber(), curr_node->sortNumber().toLongLong());
+
+	QList<std::shared_ptr<DAGOrderHelper>> prev_nodes;
+	std::transform(prim_nodes.begin(), prim_nodes.end(), std::back_inserter(prev_nodes),
+	[&](std::shared_ptr<DAGOrderHelper> ins) {
+		if (!ins->isFakeNode()) {
+			return ins;
+		}
+
+		auto prev_data = ins->tailsNode();
+		auto target_it = std::find_if(total_nodes.begin(), total_nodes.end(),
+		[&](std::shared_ptr<DAGOrderHelper> nins) {
+			if (!nins->isFakeNode())
+				return nins->layerNode() == prev_data;
+			return false;
+		});
+
+		return *target_it;
+	});
+
+
+	auto prev_it = std::min_element(prev_nodes.begin(), prev_nodes.end(),
+		[](std::shared_ptr<DAGOrderHelper> a, std::shared_ptr<DAGOrderHelper> b) {
+		if (a->layerNumber() == b->layerNumber())
+			return a->sortNumber() < b->sortNumber();
+		return a->layerNumber() < b->layerNumber();
+	});
+	return std::make_pair((*prev_it)->layerNumber(), (*prev_it)->sortNumber().toLongLong());
+}
+*/
+void dags::DAGGraph::primitiveGraphLayout() {
 	QList<std::shared_ptr<DAGLayerHelper>> sort_seqs;
 	QList<std::shared_ptr<DAGLayerHelper>> refs;
 	while (1) {
@@ -491,14 +743,23 @@ void dags::DAGGraph::graphLayout() {
 	}
 
 	auto tidy_nodes = this->tidy_graph_nodes();
-	this->graph_layer_nodes_sort_forward(0, tidy_nodes);
+	this->graph_layout_layers_forward(tidy_nodes);
 	this->node_with_layout = tidy_nodes;
+}
 
-	int times = 1;
-	while (times--) {
-		this->graph_adjust_after_layout(tidy_nodes);
-		this->graph_layer_nodes_sort_forward(0, tidy_nodes);
-	}
+void dags::DAGGraph::forwardsLayoutImpls()
+{
+	this->graph_layout_layers_forward(this->node_with_layout);
+}
+
+void dags::DAGGraph::backwardsLayoutImpls()
+{
+	this->graph_adjust_layers_backward(this->node_with_layout);
+}
+
+void dags::DAGGraph::adjustLayoutImpls()
+{
+	//this->node_adjust_ingraph_forward(this->node_with_layout);
 }
 
 

StoryPresent/dag_layout.h

@@ -76,7 +76,10 @@ namespace dags {
 
 	public:
 		void rebuildFromEdges(const QList<graph_data::Arrow>& arrow_list);
-		void graphLayout();
+		void primitiveGraphLayout();
+		void forwardsLayoutImpls();
+		void backwardsLayoutImpls();
+		void adjustLayoutImpls();
 
 		QList<std::shared_ptr<DAGOrderHelper>> nodeWithLayout() const;
 		int maxLayerCount() const;
@@ -87,15 +90,26 @@ namespace dags {
 		int node_layering(const std::shared_ptr<DAGLayerHelper> &inst, int layer_current);
 		int node_layering_adj(std::shared_ptr<DAGLayerHelper> inst);
 		QList<std::shared_ptr<DAGOrderHelper>> tidy_graph_nodes();
-		void graph_layer_nodes_sort_forward(int layer_index, const QList<std::shared_ptr<DAGOrderHelper>> &nodes);
-		void graph_adjust_after_layout(const QList<std::shared_ptr<DAGOrderHelper>>& total_nodes);
 
-		bool layer_adjust_via_next_sibling(int curr_layer, const QList<std::shared_ptr<DAGOrderHelper>>& total_nodes);
+		void graph_layout_layers_forward(const QList<std::shared_ptr<DAGOrderHelper>>& total_nodes);
+		void nodes_sort_forward_within_layer(int layer_index, const QList<std::shared_ptr<DAGOrderHelper>> &nodes);
+
+		void graph_adjust_layers_backward(const QList<std::shared_ptr<DAGOrderHelper>>& total_nodes);
+		QList<std::shared_ptr<DAGOrderHelper>> layer_adjust_via_next_sibling(int curr_layer, const QList<std::shared_ptr<DAGOrderHelper>>& total_nodes);
 		void node_adjust_via_next_sibling(std::shared_ptr<DAGOrderHelper> curr_node, const QList<std::shared_ptr<DAGOrderHelper>>& total_nodes);
-		
-		bool current_nodelist_filling_indi(int curr_layer, const QList<std::shared_ptr<DAGOrderHelper>>& total_nodes);
+
+		bool current_nodelist_filling_indi(const QList<std::shared_ptr<DAGOrderHelper>>& ordered_nodes);
 		void nodes_sort_with_above(int curr_layer, const QList<std::shared_ptr<DAGOrderHelper>>& total_nodes);
 		void nodes_sort_with_belows(int curr_layer, const QList<std::shared_ptr<DAGOrderHelper>>& total_nodes);
 
+		void node_adjust_ingraph_forward(const QList<std::shared_ptr<DAGOrderHelper>>& total_nodes);
+		bool nodes_revise_forward_within_layer(int layer_index, const QList<std::shared_ptr<DAGOrderHelper>>& nodes);
+		bool node_adjust_inlayer_partition_indi(int layer_index, const QList<std::shared_ptr<DAGOrderHelper>>& total_nodes);
+
+
+		//bool node_adjust_inlayer_forward(int curr_layer, const QList<std::shared_ptr<DAGOrderHelper>>& total_nodes);
+		//std::pair<qlonglong, qlonglong> node_evaluate_with_downstream(std::shared_ptr<DAGOrderHelper> node, const QList<std::shared_ptr<DAGOrderHelper>>& total_nodes);
+		//std::pair<qlonglong, qlonglong> node_evaluate_with_upstream(std::shared_ptr<DAGOrderHelper> node, const QList<std::shared_ptr<DAGOrderHelper>>& total_nodes);
+		
 	};
 }

StoryPresent/dag_present.cpp

@@ -145,7 +145,7 @@ void TransitionCurve::paint(QPainter* painter, const QStyleOptionGraphicsItem* o
 }
 
 DAGActiveView::DAGActiveView(QWidget* parent)
-	: QGraphicsView(parent) {
+	: QGraphicsView(parent), _layout_engine(new DAGGraph){
 	this->setViewportUpdateMode(QGraphicsView::FullViewportUpdate);
 	this->setScene(&this->scene_bind);
 
@@ -240,16 +240,10 @@ QList<IGraphNode*> DAGActiveView::layer_nodes_construction(const QHash<IGraphNod
 
 #include <QTextEdit>
 void DAGActiveView::updateWithEdges(QList<graph_data::Arrow> arrows) {
-	// 헌뇜뎠품柬暠
-	this->scene_bind.clear();
-	this->total_graph_nodes.clear();
+	_layout_engine->rebuildFromEdges(arrows);
+	_layout_engine->primitiveGraphLayout();
 
-	DAGGraph tools;
-	tools.rebuildFromEdges(arrows);
-	tools.graphLayout();
-
-	auto total_nodes = tools.nodeWithLayout();
-	total_graph_nodes = this->layer_nodes_construction(QHash<IGraphNode*, std::shared_ptr<DAGOrderHelper>>(), total_nodes);
+	this->refreshGraph();
 }
 
 void DAGActiveView::highlightGraphLink(const QList<graph_data::Arrow> arrows) {
@@ -307,6 +301,25 @@ void DAGActiveView::highlightGraphLink(const QList<graph_data::Arrow> arrows) {
 	this->update();
 }
 
+DAGGraph* dags::DAGActiveView::layoutEngine() const
+{
+	return this->_layout_engine;
+}
+
+void dags::DAGActiveView::refreshGraph()
+{
+	// Çå³ýµ±Ç°ÊÓͼ
+	this->scene_bind.clear();
+	this->total_graph_nodes.clear();
+	this->highlight_nodelist.clear();
+
+	auto total_nodes = _layout_engine->nodeWithLayout();
+	total_graph_nodes = this->layer_nodes_construction(QHash<IGraphNode*, std::shared_ptr<DAGOrderHelper>>(), total_nodes);
+
+	auto rect = this->scene()->itemsBoundingRect();
+	this->scene()->setSceneRect(rect);
+}
+
 void DAGActiveView::mousePressEvent(QMouseEvent* ev) {
 	QGraphicsView::mousePressEvent(ev);
 
@@ -319,7 +332,7 @@ void DAGActiveView::mousePressEvent(QMouseEvent* ev) {
 			auto type_item = dynamic_cast<IGraphNode*>(gitem);
 			if (type_item->nodeType() == GraphNodeType::ActivePresentNode) {
 				auto node = static_cast<ActivePresentNode*>(type_item);
-				emit this->nodeClicked(ev->pos(), QList<QString>() << node->nodeName());
+				emit this->nodeClicked(ev->pos(), node->nodeName());
 				break;
 			}
 		}

StoryPresent/dag_present.h

@@ -103,8 +103,10 @@ namespace dags {
 		QList<IGraphNode*> highlight_nodelist;
 		QList<IGraphNode*> total_graph_nodes;
 
+		DAGGraph *const _layout_engine;
+
 	signals:
-		void nodeClicked(const QPointF &pos, const QList<QString> &node_name);
+		void nodeClicked(const QPointF &pos, const QString &node_name);
 
 	public:
 		DAGActiveView(QWidget* parent = nullptr);
@@ -112,6 +114,9 @@ namespace dags {
 		void updateWithEdges(QList<graph_data::Arrow> arrows);
 		void highlightGraphLink(const QList<graph_data::Arrow> color_path);
 
+		DAGGraph* layoutEngine() const;
+		void refreshGraph();
+
 		// QGraphicsView
 		virtual void mousePressEvent(QMouseEvent *ev) override;
 

StoryPresent/storypresent.cpp

@@ -16,6 +16,13 @@ StoryPresent::StoryPresent(QWidget* parent)
 	auto view = mbar->addMenu(u8"ÊÓͼ");
 	view->addAction(u8"ËõС", this, &StoryPresent::lesser, Qt::CTRL + Qt::Key_N);
 	view->addAction(u8"·Å´ó", this, &StoryPresent::bigger, Qt::CTRL + Qt::Key_P);
+
+	auto layout = mbar->addMenu(u8"布局调整");
+	layout->addAction(u8"正向布局", this, &StoryPresent::forwardLayout, Qt::CTRL + Qt::Key_F);
+	layout->addAction(u8"逆向布局", this, &StoryPresent::backwardLayout, Qt::CTRL + Qt::Key_B);
+	//layout->addAction(u8"调整布局", this, &StoryPresent::adjustLayout, Qt::CTRL+Qt::Key_A);
+
+	connect(_story_present, &DAGActiveView::nodeClicked, this, &StoryPresent::nodeClickAccept);
 }
 
 StoryPresent::~StoryPresent()
@@ -41,12 +48,14 @@ void StoryPresent::loadXAST(const QString& ast_path)
 		auto frag_temp = story_line->firstChild();
 		while (frag_temp) {
 			switch (frag_temp->type()) {
-			case SliceType::FragmentDefines: {
+			case SliceType::FragmentDefines:
+				{
 					auto arrow_tail = std::dynamic_pointer_cast<FragmentDefine>(frag_temp)->name() + u8"@" + story_line->name();
 					arrows << graph_data::Arrow(arrow_start, arrow_tail);
 					arrow_start = arrow_tail;
 				}break;
-			case SliceType::FragmentRefers: {
+			case SliceType::FragmentRefers:
+				{
 					auto conv_refer = std::dynamic_pointer_cast<FragmentRefer>(frag_temp);
 					auto arrow_tail = conv_refer->fragmentRefer() + u8"@" + conv_refer->storyRefer();
 					arrows << graph_data::Arrow(arrow_start, arrow_tail);
@@ -62,6 +71,78 @@ void StoryPresent::loadXAST(const QString& ast_path)
 }
 
 #include <QTransform>
+void StoryPresent::nodeClickAccept(const QPointF& pos, const QString& node_name)
+{
+	// 起始节点
+	if (!node_name.contains(u8"@")) {
+		auto story_line = this->_story_graph[node_name];
+
+		QList<QString> node_names;
+		node_names << node_name;
+
+		auto temp_node = story_line->firstChild();
+		while (temp_node) {
+			switch (temp_node->type()) {
+			case SliceType::FragmentDefines:
+				{
+					auto fragm = std::dynamic_pointer_cast<FragmentDefine>(temp_node);
+					node_names << QString(u8"%1@%2").arg(fragm->name(), node_name);
+				}break;
+			case SliceType::FragmentRefers:
+				{
+					auto frefer = std::dynamic_pointer_cast<FragmentRefer>(temp_node);
+					node_names << QString(u8"%1@%2").arg(frefer->fragmentRefer(), frefer->storyRefer());
+				}
+				break;
+			default:
+				break;
+			}
+			temp_node = temp_node->nextSlice();
+		}
+
+		QList<graph_data::Arrow> arrows;
+		for (auto idx = 1; idx < node_names.size(); ++idx) {
+			auto from = node_names[idx - 1];
+			auto to = node_names[idx];
+
+			arrows << graph_data::Arrow(from, to);
+		}
+		this->_story_present->highlightGraphLink(arrows);
+	}
+	else {
+		auto splits = node_name.split(u8"@", QString::SkipEmptyParts);
+		auto story_line = this->_story_graph[splits.last()];
+		auto fragm_slice = story_line->getFragment(splits.first());
+		auto fragm_defn = std::dynamic_pointer_cast<FragmentDefine>(fragm_slice);
+
+		auto refers = fragm_defn->referSlices();
+
+		if (!refers.size()) {
+			this->nodeClickAccept(QPointF(), story_line->name());
+			return;
+		}
+
+		QList<std::shared_ptr<IElementSlice>> parent_slices;
+		std::transform(refers.begin(), refers.end(), std::back_inserter(parent_slices),
+		[](std::shared_ptr<IElementSlice> ins) { return ins->parentSlice().lock(); });
+
+		decltype(parent_slices) fliter_slices;
+		std::copy_if(parent_slices.begin(), parent_slices.end(), std::back_inserter(fliter_slices),
+		[](std::shared_ptr<IElementSlice> ins) { return ins->type() == SliceType::StoryDefines; });
+
+		QList<std::shared_ptr<StoryDefine>> lines = { story_line };
+		std::transform(fliter_slices.begin(), fliter_slices.end(), std::back_inserter(lines),
+		[](std::shared_ptr<IElementSlice> ins) { return std::dynamic_pointer_cast<StoryDefine>(ins); });
+
+		QMenu msep;
+		for (auto ln : lines) {
+			msep.addAction(ln->name(), [=](){
+				this->nodeClickAccept(QPointF(), ln->name());
+			});
+		}
+		msep.exec(this->_story_present->mapToParent(pos.toPoint()));
+	}
+}
 void StoryPresent::bigger()
 {
 	_scale_value *= 1.1;
@@ -79,3 +160,21 @@ void StoryPresent::lesser()
 	trans_base.scale(_scale_value, _scale_value);
 	this->_story_present->setTransform(trans_base);
 }
+
+void StoryPresent::forwardLayout()
+{
+	this->_story_present->layoutEngine()->forwardsLayoutImpls();
+	this->_story_present->refreshGraph();
+}
+
+void StoryPresent::backwardLayout()
+{
+	this->_story_present->layoutEngine()->backwardsLayoutImpls();
+	this->_story_present->refreshGraph();
+}
+
+void StoryPresent::adjustLayout()
+{
+	this->_story_present->layoutEngine()->adjustLayoutImpls();
+	this->_story_present->refreshGraph();
+}

StoryPresent/storypresent.h

@@ -18,6 +18,12 @@ private:
 	dags::DAGActiveView *const _story_present;
 	QHash<QString, std::shared_ptr<xast_parse::StoryDefine>> _story_graph;
 
+	void nodeClickAccept(const QPointF &pos, const QString &node_name);
+
 	void bigger();
 	void lesser();
+
+	void forwardLayout();
+	void backwardLayout();
+	void adjustLayout();
 };