初步实现单独的图层管理器。

注意：没有和mapcavas通讯。
2026-02-05 15:32:34 +08:00
parent 7d123ca11c
commit 631216dc66
14 changed files with 643 additions and 13 deletions
--- a/HPPA/LayerTreeNode.cpp
+++ b/HPPA/LayerTreeNode.cpp
@ -0,0 +1,110 @@
+#include "LayerTreeNode.h"
+
+#include <QtGlobal>
+
+LayerTreeNode::LayerTreeNode(const QString& name, QObject* parent)
+    : QObject(parent), m_name(name)
+{
+}
+
+LayerTreeNode::~LayerTreeNode()
+{
+    qDeleteAll(m_children);
+    m_children.clear();
+}
+
+QString LayerTreeNode::name() const 
+{
+    return m_name; 
+}
+
+void LayerTreeNode::setName(const QString& name) 
+{
+    m_name = name; 
+}
+
+QIcon LayerTreeNode::icon() const 
+{ 
+    return m_icon; 
+}
+
+void LayerTreeNode::setIcon(const QIcon& icon) 
+{ 
+    m_icon = icon; 
+}
+
+Qt::CheckState LayerTreeNode::visible() const 
+{ 
+    return m_visible;
+}
+
+void LayerTreeNode::setVisible(Qt::CheckState s) 
+{ 
+    m_visible = s;
+}
+
+LayerTreeNode* LayerTreeNode::parentNode() const 
+{ 
+    return m_parentNode; 
+}
+
+void LayerTreeNode::setParentNode(LayerTreeNode* p)
+{
+    m_parentNode = p;
+    // <20><> QObject <20><> parent Ҳ<><D2B2><EFBFBD>棨<EFBFBD><E6A3A8><EFBFBD><EFBFBD> Qt <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ι<EFBFBD><CEB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҳ<EFBFBD><D2B2><EFBFBD>Ӱ<EFBFBD><D3B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD> delete children<65><6E>
+    if (p) this->setParent(p);
+    else this->setParent(nullptr);
+}
+
+int LayerTreeNode::rowInParent() const
+{
+    if (!m_parentNode) return 0;
+
+    const auto& siblings = m_parentNode->m_children;
+    for (int i = 0; i < siblings.size(); ++i) 
+    {
+        if (siblings[i] == this) return i;
+    }
+
+    return 0;
+}
+
+int LayerTreeNode::childCount() const 
+{ 
+    return m_children.size(); 
+}
+
+LayerTreeNode* LayerTreeNode::childAt(int row) const
+{
+    if (row < 0 || row >= m_children.size()) return nullptr;
+    return m_children[row];
+}
+
+const QVector<LayerTreeNode*>& LayerTreeNode::children() const 
+{ 
+    return m_children; 
+}
+
+void LayerTreeNode::appendChild(LayerTreeNode* child)
+{
+    insertChild(m_children.size(), child);
+}
+
+void LayerTreeNode::insertChild(int row, LayerTreeNode* child)
+{
+    if (!child) return;
+
+    if (row < 0 || row > m_children.size())
+        row = m_children.size();
+
+    child->setParentNode(this);
+    m_children.insert(row, child);
+}
+
+LayerTreeNode* LayerTreeNode::takeChild(int row)
+{
+    if (row < 0 || row >= m_children.size()) return nullptr;
+    LayerTreeNode* taken = m_children.takeAt(row);
+    if (taken) taken->setParentNode(nullptr);
+    return taken;
+}