src/branchitem.h

   1 #ifndef BRANCHITEM_H
   2 #define BRANCHITEM_H
   3
   4 #include "mapitem.h"
   5 #include "task.h"
   6
   7 #include <QList>
   8
   9 class QString;
  10 class QGraphicsScene;
  11 class BranchObj;
  12 class Link;
  13 class XLinkItem;
  14
  15 class BranchItem : public MapItem {
  16   public:
  17     enum LayoutHint { AutoPositioning, FreePositioning };
  18
  19     BranchItem(TreeItem *parent = nullptr);
  20     virtual ~BranchItem();
  21     virtual void clear();
  22     virtual void copy(BranchItem *item);
  23     virtual BranchItem *parentBranch();
  24
  25     virtual void insertBranch(int pos, BranchItem *branch);
  26
  27     virtual QString saveToDir(const QString &tmpdir, const QString &prefix,
  28                               const QPointF &offset, QList<Link *> &tmpLinks);
  29
  30     virtual void updateVisibility();
  31
  32     virtual void setHeadingColor(
  33         QColor color); //! Overloaded from TreeItem to update QGraphicsView
  34
  35   protected:
  36     bool scrolled;      // true if all children are scrolled and thus invisible
  37     bool tmpUnscrolled; // can only be true (temporary) for a scrolled subtree
  38
  39   public:
  40     void updateTaskFlag();
  41     void setTask(Task *t);
  42     Task *getTask();
  43
  44   private:
  45     Task *task;
  46
  47   public:
  48     virtual void scroll();
  49     virtual void unScroll();
  50     virtual bool toggleScroll(); // scroll or unscroll
  51     virtual bool isScrolled();   // returns scroll state
  52     virtual bool hasScrolledParent(
  53         BranchItem *start = NULL); // true, if any of the parents is scrolled
  54     virtual bool tmpUnscroll(
  55         BranchItem *start = NULL);   // unscroll scrolled parents temporary e.g.
  56                                      // during "find" process
  57     virtual bool resetTmpUnscroll(); // scroll all tmp scrolled parents again
  58                                      // e.g. when unselecting
  59     virtual void sortChildren(bool inverse = false); //! Sort children
  60     virtual void setChildrenLayout(BranchItem::LayoutHint layoutHint);
  61     virtual BranchItem::LayoutHint getChildrenLayout();
  62
  63   protected:
  64     bool includeImagesVer;     //! include floatimages in bbox vertically
  65     bool includeImagesHor;     //! include floatimages in bbox horizontally
  66     bool includeChildren;      //! include children in frame
  67     LayoutHint childrenLayout; //! should children be positioned freely?
  68
  69   public:
  70     void setIncludeImagesVer(bool);
  71     bool getIncludeImagesVer();
  72     void setIncludeImagesHor(bool);
  73     bool getIncludeImagesHor();
  74     QString getIncludeImageAttr();
  75     BranchItem *getFramedParentBranch(BranchItem *start);
  76     void setFrameIncludeChildren(bool);
  77     bool getFrameIncludeChildren();
  78
  79     QColor getBackgroundColor(BranchItem *start, bool checkInnerFrame = true);
  80
  81   protected:
  82     int lastSelectedBranchNum;
  83     int lastSelectedBranchNumAlt;
  84
  85   public:
  86     virtual void
  87     setLastSelectedBranch(); //! Set myself as last selected in parent
  88     virtual void
  89     setLastSelectedBranch(int i); //! Set last selected branch directly
  90     virtual BranchItem *
  91     getLastSelectedBranch(); //! Returns last selected branch usually
  92     virtual BranchItem *
  93     getLastSelectedBranchAlt(); //! Used to return last selected branch left of
  94                                 //! a mapcenter
  95
  96   public:
  97     TreeItem *findMapItem(
  98         QPointF p,
  99         TreeItem *excludeTI); //! search map for branches or images. Ignore
 100                               //! excludeTI, where search is started
 101
 102     virtual void
 103     updateStyles(const bool &keepFrame =
 104                      false); //! update related fonts, parObjects, links, ...
 105     virtual BranchObj *getBranchObj();
 106     virtual BranchObj *createMapObj(
 107         QGraphicsScene *scene); //! Create classic object in GraphicsView
 108 };
 109
 110 #endif