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 {
  17 public:
  18     enum LayoutHint {AutoPositioning, FreePositioning};
  19
  20     BranchItem(const QList<QVariant> &data, TreeItem *parent = 0);
  21     virtual ~BranchItem();
  22     virtual void clear();
  23     virtual void copy (BranchItem *item);
  24     virtual BranchItem* parentBranch();
  25
  26     virtual void insertBranch (int pos,BranchItem *branch);
  27
  28     virtual QString saveToDir (const QString &tmpdir,const QString &prefix, const QPointF& offset,QList <Link*> &tmpLinks);
  29
  30     virtual void updateVisibility();
  31
  32     virtual void setHeadingColor (QColor color); //!Overloaded from TreeItem to update QGraphicsView
  33
  34 protected:
  35     bool scrolled;      // true if all children are scrolled and thus invisible
  36     bool tmpUnscrolled;     // can only be true (temporary) for a scrolled subtree
  37
  38 public:
  39     void updateTaskFlag();
  40     void setTask (Task* t);
  41     Task* getTask();
  42 private:
  43     Task* task;
  44
  45 public:
  46     virtual void unScroll();
  47     virtual bool toggleScroll();        // scroll or unscroll
  48     virtual bool isScrolled();          // returns scroll state
  49     virtual bool hasScrolledParent(BranchItem* start=NULL);    // true, if any of the parents is scrolled
  50     virtual bool tmpUnscroll(BranchItem* start=NULL);           // unscroll scrolled parents temporary e.g. during "find" process
  51     virtual bool resetTmpUnscroll();        // scroll all tmp scrolled parents again e.g. when unselecting
  52     virtual void sortChildren(bool inverse=false);  //! Sort children
  53     virtual void setChildrenLayout(BranchItem::LayoutHint layoutHint);
  54     virtual BranchItem::LayoutHint getChildrenLayout();
  55
  56 protected:
  57     bool includeImagesVer;      //! include floatimages in bbox vertically
  58     bool includeImagesHor;      //! include floatimages in bbox horizontally
  59     bool includeChildren;       //! include children in frame
  60     LayoutHint childrenLayout;  //! should children be positioned freely?
  61
  62 public:
  63     void setIncludeImagesVer(bool);
  64     bool getIncludeImagesVer();
  65     void setIncludeImagesHor(bool);
  66     bool getIncludeImagesHor();
  67     QString getIncludeImageAttr();
  68     BranchItem* getFramedParentBranch(BranchItem *start);
  69     void setFrameIncludeChildren(bool);
  70     bool getFrameIncludeChildren();
  71
  72 protected:
  73     int lastSelectedBranchNum;
  74     int lastSelectedBranchNumAlt;
  75 public:
  76     virtual void setLastSelectedBranch();       //! Set myself as last selected in parent
  77     virtual void setLastSelectedBranch(int i);      //! Set last selected branch directly
  78     virtual BranchItem* getLastSelectedBranch();    //! Returns last selected branch usually
  79     virtual BranchItem* getLastSelectedBranchAlt(); //! Used to return last selected branch left of a mapcenter
  80
  81 public:
  82     TreeItem* findMapItem (QPointF p,TreeItem* excludeTI);  //! search map for branches or images. Ignore excludeTI, where search is started
  83
  84     virtual void updateStyles (const bool &keepFrame=false);        //! update related fonts, parObjects, links, ...
  85     virtual BranchObj* getBranchObj();
  86     virtual BranchObj* createMapObj(QGraphicsScene *scene); //! Create classic object in GraphicsView
  87 };
  88
  89 #endif