pqConfigureCategoriesDialog.h

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// SPDX-FileCopyrightText: Copyright (c) Kitware Inc.
// SPDX-License-Identifier: BSD-3-Clause

#ifndef pqConfigureCategoriesDialog_h
#define pqConfigureCategoriesDialog_h

#include "pqApplicationComponentsModule.h"
#include <QDialog>
#include <QPointer>

#include <memory>

class pqProxyCategory;
class pqProxyGroupMenuManager;
class pqProxyInfo;

class QString;
class QTreeWidget;
class QTreeWidgetItem;

class PQAPPLICATIONCOMPONENTS_EXPORT pqConfigureCategoriesDialog : public QDialog
{
  Q_OBJECT
  typedef QDialog Superclass;

public:
  pqConfigureCategoriesDialog(pqProxyGroupMenuManager* manager, QWidget* parent = nullptr);
  ~pqConfigureCategoriesDialog() override;

protected Q_SLOTS:
  void createNewCategory();

  void onAddPressed();

  void onRemovePressed();

  void resetToApplicationCategories();

  void onSetIconPressed();

  void onAccepted();

  void onSearchTextChanged(const QString& pattern);

  void onItemChanged(QTreeWidgetItem*, int);

  void updateToolbarState();

private:
  void populateCurrentCategoriesTree();
  void populateAvailableProxiesTree();
  void populateTree(QTreeWidgetItem* treeRoot);
  QTreeWidgetItem* createProxyItem(
    QTreeWidgetItem* parent, pqProxyInfo* info, QTreeWidgetItem* preceding = nullptr);
  QTreeWidgetItem* createCategoryItem(
    QTreeWidgetItem* parent, pqProxyCategory* info, QTreeWidgetItem* preceding = nullptr);
  QTreeWidgetItem* createItem(
    QTreeWidgetItem* parent, const QString& name, QTreeWidgetItem* preceding = nullptr);
  QTreeWidgetItem* createCategory(
    const QString& name, QTreeWidgetItem* parentItem, QTreeWidgetItem* precedingItem);
  bool insertCategoryFromItem(
    QTreeWidgetItem* sourceItem, QTreeWidgetItem* parentItem, QTreeWidgetItem* precedingItem);
  bool insertProxyFromItem(
    QTreeWidgetItem* sourceItem, QTreeWidgetItem* parentItem, QTreeWidgetItem* precedingItem);


  bool customTreeHasSelection();
  bool applicationTreeHasSelection();
  QTreeWidgetItem* getSelectedItem();
  QTreeWidgetItem* getNearestItem(QTreeWidgetItem* item);
  QTreeWidgetItem* getSelectedCategoryItem();
  QTreeWidgetItem* getSelectedProxyItem();

  bool eventFilter(QObject* object, QEvent* event) override;

  void keyPressEvent(QKeyEvent* event) override;

  void updateUIState();

  void deleteItem(QTreeWidgetItem* item);
  void deleteCustomItems(QList<QTreeWidgetItem*> items);

  QTreeWidgetItem* getDestinationParentItem(QDropEvent* dropEvent);
  QTreeWidgetItem* getDestinationItem(QDropEvent* dropEvent);
  QTreeWidgetItem* getSourceItem(QDropEvent* dropEvent);
  bool sourceIsCustomTree(QDropEvent* dropEvent);

  struct pqInternal;
  std::unique_ptr<pqInternal> Internal;

  QString ResourceTag = "ParaViewFilters";
};

#endif