From 8bf6835c234cced8f7efe0401685d66efef3915b Mon Sep 17 00:00:00 2001
From: karlis <2995621482@qq.com>
Date: Sun, 19 Mar 2023 15:48:42 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0LayerWrapper=E6=8E=A5?=
 =?UTF-8?q?=E5=8F=A3?=
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---
 .../src/Editor/LayerWrapper.cpp                   | 15 +++++++++++++++
 .../src/Editor/LayerWrapper.h                     |  3 +++
 2 files changed, 18 insertions(+)

diff --git a/ArchitectureColoredPainting/src/Editor/LayerWrapper.cpp b/ArchitectureColoredPainting/src/Editor/LayerWrapper.cpp
index 770c45d..bf0222b 100644
--- a/ArchitectureColoredPainting/src/Editor/LayerWrapper.cpp
+++ b/ArchitectureColoredPainting/src/Editor/LayerWrapper.cpp
@@ -413,4 +413,19 @@ bool FolderLayerWrapper::deleteable(bool excludeSubTree) const
         return this->getReferencedBy() == -1;
 	else
 		return this->referencedCount() == 0;
+}
+
+bool LayerWrapper::referencingGroupElement() const
+{
+	return false;
+}
+
+bool LeafLayerWrapper::referencingGroupElement() const
+{
+	return typeid(*wrappedElement) == typeid(GroupElement);
+}
+
+bool LayerWrapper::canApplyStyles() const
+{
+	return typeid(*this) == typeid(LeafLayerWrapper) && !referencingGroupElement();
 }
\ No newline at end of file
diff --git a/ArchitectureColoredPainting/src/Editor/LayerWrapper.h b/ArchitectureColoredPainting/src/Editor/LayerWrapper.h
index b62d685..947d90c 100644
--- a/ArchitectureColoredPainting/src/Editor/LayerWrapper.h
+++ b/ArchitectureColoredPainting/src/Editor/LayerWrapper.h
@@ -73,6 +73,8 @@ class LayerWrapper
     virtual void refreshTreeItem();
 	virtual size_t referencedCount(bool excludeSelf = false) const;
     virtual bool deleteable(bool excludeSubTree = false) const;
+    virtual bool referencingGroupElement() const;
+    bool canApplyStyles() const;
 };
 
 class FolderLayerWrapper : public LayerWrapper
@@ -117,6 +119,7 @@ class LeafLayerWrapper : public LayerWrapper
     void collectDownReachable(std::set<LayerWrapper*>& reachable) override;
     QTreeWidgetItem* getQTreeItem() override;
     void refreshTreeItem() override;
+    bool referencingGroupElement() const override;
 };
 
 Q_DECLARE_METATYPE(LayerWrapper *)