src/app/CMakeLists.txt

@@ -50,6 +50,7 @@ add_executable(geopro_desktop WIN32
   panels/chart/ContourPlotItem.cpp
   panels/chart/LivePanner.cpp
   panels/chart/ScatterHoverTip.cpp
+  panels/columns/Column2DDataset.cpp
   panels/columns/Column3DDataset.cpp
   panels/AnomalyTablePanel.cpp
   panels/LoadingOverlay.cpp

src/app/panels/columns/Column2DDataset.cpp

@@ -0,0 +1,89 @@
+#include "panels/columns/Column2DDataset.hpp"
+
+#include <QComboBox>
+#include <QDoubleSpinBox>
+#include <QFormLayout>
+#include <QHBoxLayout>
+#include <QLabel>
+#include <QTreeWidget>
+#include <QTreeWidgetItemIterator>
+#include <QVBoxLayout>
+
+#include "Theme.hpp"
+#include "panels/DatasetListPanel.hpp"
+
+namespace geopro::app {
+
+Column2DDataset::Column2DDataset(QWidget* parent) : QWidget(parent) {
+    auto* root = new QVBoxLayout(this);
+    root->setContentsMargins(space::kMd, space::kMd, space::kMd, space::kMd);
+    root->setSpacing(space::kMd);
+
+    // 地图
+    {
+        auto* form = new QFormLayout();
+        auto* basemap = new QComboBox();
+        basemap->addItem(QStringLiteral("天地图"));
+        basemap->addItem(QStringLiteral("Google Map"));
+        basemap->addItem(QStringLiteral("隐藏"));
+        connect(basemap, qOverload<int>(&QComboBox::currentIndexChanged), this,
+                [this](int index) { emit basemapChanged(index); });
+        form->addRow(QStringLiteral("底图源"), basemap);
+        root->addWidget(new QLabel(QStringLiteral("地图")));
+        root->addLayout(form);
+    }
+
+    // 2D视图
+    {
+        auto* form = new QFormLayout();
+        auto* view2d = new QComboBox();
+        view2d->addItem(QStringLiteral("关闭"));
+        view2d->addItem(QStringLiteral("Z=0"));
+        view2d->addItem(QStringLiteral("顶部"));
+        view2d->addItem(QStringLiteral("底部"));
+        view2d->addItem(QStringLiteral("自定义"));
+        view2d->setCurrentIndex(1);
+        auto* zSpin = new QDoubleSpinBox();
+        zSpin->setRange(-1000000, 1000000);
+        zSpin->setSuffix(QStringLiteral(" m"));
+        zSpin->setValue(0);
+        zSpin->setVisible(false);
+        connect(view2d, qOverload<int>(&QComboBox::currentIndexChanged), this,
+                [this, zSpin](int idx) {
+                    zSpin->setVisible(idx == 4);
+                    emit view2DModeChanged(idx);
+                });
+        connect(zSpin, qOverload<double>(&QDoubleSpinBox::valueChanged), this,
+                [this](double z) { emit customZChanged(z); });
+        form->addRow(QStringLiteral("位置"), view2d);
+        form->addRow(QStringLiteral("Z 值"), zSpin);
+        root->addWidget(new QLabel(QStringLiteral("2D视图")));
+        root->addLayout(form);
+    }
+
+    // 数据集列表（可勾选）
+    list_ = new QTreeWidget();
+    list_->setHeaderHidden(true);
+    list_->setRootIsDecorated(true);
+    applyDatasetCardDelegate(list_);
+    connect(list_, &QTreeWidget::itemChanged, this, [this](QTreeWidgetItem*, int) {
+        QStringList ids;
+        for (QTreeWidgetItemIterator it(list_); *it; ++it) {
+            if ((*it)->checkState(0) == Qt::Checked)
+                ids << (*it)->data(0, kDsIdRole).toString();
+        }
+        emit checkedDatasetsChanged(ids);
+    });
+    root->addWidget(list_, 1);
+}
+
+void Column2DDataset::setDatasets(const std::vector<geopro::data::DsRow>& rows) {
+    populateDatasetList(list_, rows, /*append=*/false);
+    for (QTreeWidgetItemIterator it(list_); *it; ++it) {
+        (*it)->setFlags((*it)->flags() | Qt::ItemIsUserCheckable);
+        if ((*it)->checkState(0) != Qt::Checked)
+            (*it)->setCheckState(0, Qt::Unchecked);
+    }
+}
+
+}  // namespace geopro::app

src/app/panels/columns/Column2DDataset.hpp

@@ -0,0 +1,28 @@
+#pragma once
+#include <QWidget>
+#include <QStringList>
+#include <vector>
+#include "repo/RepoTypes.hpp"
+
+class QTreeWidget;
+
+namespace geopro::app {
+
+// 二维数据集栏：地图 + 2D视图(含自定义 Z) + 2D 数据集列表。
+class Column2DDataset : public QWidget {
+    Q_OBJECT
+public:
+    explicit Column2DDataset(QWidget* parent = nullptr);
+    void setDatasets(const std::vector<geopro::data::DsRow>& rows);
+
+signals:
+    void basemapChanged(int index);      // 0 天地图 / 1 Google / 2 隐藏
+    void view2DModeChanged(int index);   // 0 关闭 /1 Z=0 /2 顶部 /3 底部 /4 自定义
+    void customZChanged(double z);        // 世界绝对高程(米),向上为正
+    void checkedDatasetsChanged(const QStringList& dsIds);
+
+private:
+    QTreeWidget* list_ = nullptr;
+};
+
+}  // namespace geopro::app