ImageTreeWidget.h

#ifndef ImageTreeWidget_H
#define ImageTreeWidget_H
 
#include <QPointer>
#include <QTreeWidget>
 
class QProgressBar;
 
namespace Isis {
  class Directory;
  class DisplayProperties;
  class Image;
  class ImageList;
  class ImageTreeWidgetItem;
  class ProgressBar;

  class ImageTreeWidget : public QTreeWidget {
      Q_OBJECT
 
    public:
 
      enum TreeItemContainerType {
        ImageGroupType = 1,
        ImageListNameType
      };
 
      ImageTreeWidget(Directory *directory = 0, QWidget *parent = 0);
      virtual ~ImageTreeWidget();
 
      QList<QAction *> actions();
 
      QTreeWidgetItem *addGroup(QString imageListName, QString groupName = "", int index = -1);
 
      QTreeWidgetItem *createGroup(QTreeWidgetItem *imageListItem, QString groupName = "",
                                   int index = -1);
      QTreeWidgetItem *createImageListNameItem(QString name);
 
      void refit();
 
      void disableSort();
      void enqueueReadDisplayProperties(ImageTreeWidgetItem *);
 
      QList<QAction *> getViewActions();
      bool groupInList(QList<QTreeWidgetItem *>);
      void updateViewActs();
 
      ImageTreeWidgetItem *prepCube(ImageList *imageList, Image *image);
 
      ImageList imagesInView();
 
    public:
      class ImagePosition {
        public:
          ImagePosition();
          ImagePosition(int outerIndex, int innerIndex);
          ImagePosition(const ImagePosition &other);
 
          virtual ~ImagePosition();
 
          void setPosition(int outerIndex, int innerIndex);
 
          int group() const;
          int index() const;
          bool isValid() const;
 
          void swap(ImagePosition &other);
 
          bool operator<(const ImagePosition &rhs);
          ImagePosition &operator=(const ImagePosition &rhs);
 
        private:
          void init();
 
        private:
          int m_group;
          int m_index;
      };
 
    signals:
      void queueSelectionChanged();
      void queueReadDisplayProperties();
 
    protected:
      void dropEvent(QDropEvent *event);
      void mousePressEvent(QMouseEvent *event);
      void contextMenuEvent(QContextMenuEvent *event);
 
    private slots:
      QTreeWidgetItem *addGroup();
      void deleteSelectedGroups();
      void imageDeleted(QObject *image);
      void onItemChanged(QTreeWidgetItem *, int);
      void onSelectionChanged();
      void onQueuedReadDisplayProperties();
      void onQueuedSelectionChanged();
      void propertiesChanged(DisplayProperties *);
      void renameSelectedGroup();
      void requestCloseSelected();
      void toggleColumnVisible();
      void updateDragAndDropability();
      void setDefaultFileListCols();
 
    private:
      bool mosaicItemInList(QList<QTreeWidgetItem *>);
      ImageList selectedDisplays();
 
      QTreeWidgetItem *imageListTreeItem(QString imageListName);
      ImageTreeWidgetItem *treeItem(DisplayProperties *);
      ImageTreeWidgetItem *treeItem(Image *);
 
      Directory *m_directory;
      QList<QAction *> m_viewActs;
      QPointer<QAction> m_setFileListColsAct;
      QMap<DisplayProperties *, ImageTreeWidgetItem *> m_displayPropsToTreeItemLookup;
      bool m_queuedSelectionChanged;
 
      QList<ImageTreeWidgetItem *> m_queuedReadDisplayPropertiesItems;
  };
};
 
#endif