layerstyledialog.h

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#ifndef OPENSWMMVIS_UI_DIALOGS_LAYERSTYLEDIALOG_H
#define OPENSWMMVIS_UI_DIALOGS_LAYERSTYLEDIALOG_H
 
#include <QDialog>
#include <QFlags>
#include <QJsonObject>
#include <QPointer>
#include <QString>
 
#include <memory>
#include <vector>
 
class QLineEdit;
class QLabel;
class QToolButton;
class QCheckBox;
class QComboBox;
class QGroupBox;
class QSlider;
class QSpinBox;
class QPlainTextEdit;
class QTableWidget;
class QTabWidget;
 
class OpenSWMMVisLayer;
class QUndoStack;   // #36 — optional app-level undo for symbology edits
 
namespace openswmmvis::ui {
 
class ILayerStyleSubject;
 
enum class LayerCapability : unsigned int
{
    Information = 1u << 0,
    Source      = 1u << 1,
    Symbology   = 1u << 2,
    Labels      = 1u << 3,
    Rendering   = 1u << 4,
    Metadata    = 1u << 5,
    // VS.5 — the deferred-feature tabs (Temporal / Mask / AuxStorage /
    // Joins / Diagrams) were removed from the dialog for simplicity. Their
    // capability bits are retired; the standalone tab widget classes are
    // scheduled for stale-file cleanup in VS.11.
};
Q_DECLARE_FLAGS(LayerCapabilities, LayerCapability)
 
 
[[nodiscard]] LayerCapabilities layerCapabilities(OpenSWMMVisLayer *layer);
 
// ---------------------------------------------------------------------------
 
class LayerStyleDialog : public QDialog
{
    Q_OBJECT
public:
    explicit LayerStyleDialog(OpenSWMMVisLayer *layer,
                              QString initialRoutingId = {},
                              QWidget *parent = nullptr,
                              QUndoStack *undoStack = nullptr);   // #36 — optional
    ~LayerStyleDialog() override;
 
private slots:
    void onApply();
    void onAccept();
    void onCancel();
    void onPickCRS();
    void onOpacitySliderChanged(int v);
    void onOpacitySpinChanged(int v);
    void onImportStyle();
    void onExportStyle();
 
    void onBasemapRenderParamsChanged();
 
private:
    void buildTabs();
    void buildInformationTab();
    void buildSourceTab();
    void buildSymbologyTab();
    void buildLabelsTab();
    void buildRenderingTab();
    void buildMetadataTab();
    void readFromLayer();
    // Rebuild the Metadata tab's key/value table from the common block plus
    // the active layer's extendedMetadata(). Also used by the Refresh button
    // so a live results layer's growing counts can be re-read on demand.
    void populateMetadata();
    void writeGeneralRenderingToLayer();
    void snapshotSubjects();
    void restoreSubjectsFromSnapshot();
    void focusInitialSubject();
 
    QPointer<OpenSWMMVisLayer> m_layer;
    LayerCapabilities          m_caps;
 
    // Subject wrappers are owned by the dialog; the property objects they
    // point at are the layer's PERSISTENT adapters (adapter-ownership
    // refactor), so every panel edits the same instances the snapshots
    // cover. Rendered into the Symbology / Labels tabs as appropriate.
    std::vector<std::unique_ptr<ILayerStyleSubject>> m_subjects;
    std::vector<QJsonObject> m_subjectSnapshots;
    // Full renderer-state baseline for Cancel (kind renderers, layer
    // renderer, label config) via StyleFileIO::styleToJson — the part the
    // per-subject snapshots don't cover. Refreshed on Apply / import.
    QJsonObject m_styleSnapshot;
 
    // #36 — app-level undo. m_undoBaseline (+ m_undoStyleBaseline) is the
    // state at dialog open; on OK, if it changed, push an
    // EditLayerStyleCommand(before,after) onto m_undoStack so the symbology
    // edit is undoable after the dialog closes. Null stack → no command
    // (back-compat for callers without one).
    QUndoStack              *m_undoStack = nullptr;
    std::vector<QJsonObject>  m_undoBaseline;
    QJsonObject               m_undoStyleBaseline;
 
    QString  m_initialRoutingId;
 
    // Vertical sidebar (tabPosition = West).
    QTabWidget *m_tabs = nullptr;
 
    // Information tab widgets.
    QLineEdit *m_nameEdit  = nullptr;
    QLabel    *m_typeLabel = nullptr;
    QPlainTextEdit *m_infoText = nullptr;
 
    // Source tab widgets.
    QLabel      *m_sourceLabel = nullptr;   // populated in readFromLayer()
    QLabel      *m_crsLabel  = nullptr;
    QToolButton *m_crsButton = nullptr;
    QString      m_pendingCRSAuthority;
 
    // Rendering tab widgets.
    QCheckBox *m_visibleBox    = nullptr;
    QSlider   *m_opacitySlider = nullptr;
    QSpinBox  *m_opacitySpin   = nullptr;
 
    // Slice X.26 — basemap render adjustments (only created when the
    // active layer is a basemap kind: XYZ / WMTS / WMS / WCS).
    QGroupBox      *m_basemapAdjustBox  = nullptr;
    QSlider        *m_brightnessSlider  = nullptr;
    QSlider        *m_contrastSlider    = nullptr;
    QSlider        *m_saturationSlider  = nullptr;
    QComboBox      *m_resamplingCombo   = nullptr;
 
    // Metadata tab — read-only Name/Value table (common block + the layer's
    // type-specific extendedMetadata()).
    QTableWidget *m_metadataTable = nullptr;
 
    // General / Rendering snapshot for Cancel rollback.
    QString m_snapshotName;
    bool    m_snapshotVisible = true;
    double  m_snapshotOpacity = 1.0;
};
 
} // namespace openswmmvis::ui
 
Q_DECLARE_OPERATORS_FOR_FLAGS(openswmmvis::ui::LayerCapabilities)
 
#endif // OPENSWMMVIS_UI_DIALOGS_LAYERSTYLEDIALOG_H