File indexing completed on 2024-04-14 04:00:18

 /****************************************************************f***********
                                cmapelement.cpp
                              -------------------
     begin                : Sat Mar 10 2001
     copyright            : (C) 2001 by Kmud Developer Team
     email                : kmud-devel@kmud.de
  ***************************************************************************/
 
 /***************************************************************************
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
  *   the Free Software Foundation; either version 2 of the License, or     *
  *   (at your option) any later version.                                   *
  *                                                                         *
  ***************************************************************************/
 
 #include "cmapelement.h"
 
 #include <QDebug>
 
 #include <KLocalizedString>
 #include <kconfiggroup.h>
 
 #include "cmaplevel.h"
 #include "cmapmanager.h"
 #include "cmapcmdelementproperties.h"
 #include "cmapview.h"
 
 #define RESIZE_SIZE         10
 #define RESIZE_SIZE_HALF    5
 
 CMapElement::CMapElement(CMapManager *manager,QRect rect,CMapLevel *level) : QObject (nullptr)
 {
   mapManager = manager;
   position = rect;
   mapLevel = level;
   selected = false;
   editing = false;
   doPaint = true;
 
   if (mapManager->getZone(true))
     mapManager->addedElement(this);
 
   connect(this,SIGNAL(deleteElement(CMapElement *,bool)),manager,SLOT(deleteElement(CMapElement *,bool)));
 }
 
 CMapElement::CMapElement(CMapManager *manager,CMapLevel *level)
 {
   mapManager = manager;
   mapLevel = level;
   selected = false;
   editing = false;
   doPaint = true;
 
   mapManager->addedElement(this);
 }
 
 CMapElement::~CMapElement()
 {
   if (mapLevel)
     mapManager->getActiveView()->deletedElement(mapLevel);
 }
 
 /** This method is used to get the level that the element is in */
 CMapLevel *CMapElement::getLevel(void)
 {
     return mapLevel;
 }
 
 /** This method is used to set the level that the element is in */
 void CMapElement::setLevel(CMapLevel *level)
 {
   mapLevel = level;
   mapManager->changedElement(this);
 }
 
 void CMapElement::paint(QPainter *p,CMapZone *zone)
 {
     paintElementResize(p,getLowPos(),getSize(),zone);
 
     // If the room is selected then draw the selection indicator
     if (getSelected())
     {
         //FIXME_jp: Move this somewere else so that it's only caled when the element position changes
         generateResizePositions();
         paintResizeHandles (p, resizePos);
     }
 }
 
 /** This method is used to paint the resize handles
   * @param p The painter used to do the painting
   * @param resizePos The positions of the handles to be painted */
 void CMapElement::paintResizeHandles(QPainter *p, QList<QRect> &resizePos)
 {
   p->setPen(getManager()->getMapData()->selectedColor);
   p->setBrush(getManager()->getMapData()->selectedColor);
 
   foreach (QRect rect, resizePos)
     p->drawRect(rect);
 }
 
 CMapZone *CMapElement::getZone(void)
 {
     if (mapLevel)
         return mapLevel->getZone();
     else
         return nullptr;
 }
 
 /** Used to find out if the mouse is in the element */
 bool CMapElement::mouseInElement(QPoint mousePos)
 {
     QRect rect = position;
 
     if (rect.left() == rect.right())
     {
         rect.setLeft(rect.left()-5);
         rect.setRight(rect.right()+5);
     }
 
     if (rect.top() == rect.bottom())
     {
         rect.setTop(rect.top()-5);
         rect.setBottom(rect.bottom()+5);
     }
 
     QRegion region(rect,QRegion::Rectangle);
 
     return region.contains(mousePos);
 }
 
 /** This method is used to set the elements edit mode state */
 void CMapElement::setEditMode(bool edit)
 {
     bool oldEdit = editing;
     editing = edit;
 
     if (oldEdit!=editing)
     {
         if (edit)
             editModeSetEvent();
         else
             editModeUnsetEvent();
     }
 }
 
 /** This method is used to find out if the element is in edit mode */
 bool CMapElement::getEditMode(void)
 {
     return editing;
 }
 
 /** Used to find out if the mouse is in the resize box
  * @param mousePos The position of the mouse pointer
  * @param currentZone A pointer to the current zone
  * @return the ID of the resize box, or 0 if not in any */
 int CMapElement::mouseInResize(QPoint mousePos,CMapZone *)
 {
     int num = 1;
 
     foreach (QRect rect, resizePos)
     {
         QRegion region(rect,QRegion::Rectangle);
         if (region.contains(mousePos))
             return num;
         num++;
     }
 
     return 0;
 }
 
 /** Used to find out if the mouse is in the resize box
   * @param mousePos The position of the mouse pointer
   * @param currentZone A pointer to the current zone
   * @return the ID of the resize box, or 0 if not in any */
 bool CMapElement::elementIn(QRect rect,CMapZone *)
 {
     QRegion region( rect,QRegion::Rectangle);
 
     return region.contains(position);
 }
 
 /** Used to move the element relative to it's current position */
 void CMapElement::moveBy(QPoint offset)
 {
     position.translate(offset.x(),offset.y());
 }
 
 /** This is used to paint a element while it is being resized
   * @param offset The offset of the mouse pointer since the start of the resize operation
   * @param p The painter to paint the element too
   * @param currentZone The current zone being viewed
   * @param resizeId The id of the resize handle being moved */
 void CMapElement::resizePaint(QPoint offset,QPainter *p,CMapZone *currentZone,int resizeId)
 {
     signed int offsetx = offset.x();
     signed int offsety = offset.y();
     QPoint pos = getLowPos();
     QSize size = getSize();
 
     // Calc new positions
     calcResizeCords(&size,&pos,&offsetx,&offsety,&offset,resizeId);
 
     // Paint the element
     paintElementResize(p,pos,size,currentZone);
     
     // Paint resize handles
     QList<QRect> tmpResizePos;
     generateResizePositions(QRect(pos,size), tmpResizePos);
     paintResizeHandles(p, tmpResizePos);
 }
 
 void CMapElement::calcResizeCords(QSize *size,QPoint *pos,signed int *offsetx,signed int *offsety,QPoint *offset,int resizeId)
 {
     int gridWidth = getManager()->getMapData()->gridSize.width();
     int gridHeight = getManager()->getMapData()->gridSize.height();
 
     switch (resizeId)
     {
         case 1 : if (size->height()-*offsety<=0)              // NORTH
                  {
                     offset->setY(size->height()-gridHeight);
                     *offsety=size->height()-gridHeight;
                  }
                  if (size->height()-*offsety >= gridHeight)
                  {
                     pos->setY(pos->y()+*offsety);
                     if (*offsety>0)
                         *size-=QSize(0,abs(*offsety));
                     else
                         *size+=QSize(0,abs(*offsety));
                  }
                  break;
         case 2 : if (size->height()-*offsety<=0)              // NORTHEAST
                  {
                     offset->setY(size->height()-gridHeight);
                     *offsety=size->height()-gridHeight;
                  }
                  if (size->height()-*offsety >= gridHeight)
                  {
                     pos->setY(pos->y()+offset->y());
                     if (*offsety>0)
                         size->setHeight(size->height()-abs(*offsety));
                     else
                         size->setHeight(size->height()+abs(*offsety));
                  }
                  size->setWidth(size->width()+*offsetx);
                  break;
         case 3 : *size+=QSize(*offsetx,0);                    // EAST
                  break;
         case 4 : *size+=QSize(*offsetx,*offsety);             // SOUTHEAST
                  break;
         case 5 : *size+=QSize(0,*offsety);                    // SOUTH
                  break;
         case 6 : *size+=QSize(0,*offsety);                    // SOUTHWEST
                  if (size->width()-*offsetx<=0)
                  {
                     offset->setX(size->width()-gridWidth);
                     *offsetx = size->width()-gridWidth;
                  }
                  if (size->width()-*offsetx >= gridWidth)
                  {
                     pos->setX(pos->x()+*offsetx);
                     if (*offsetx>0)
                         size->setWidth(size->width()-abs(*offsetx));
                     else
                         size->setWidth(size->width()+abs(*offsetx));
                  }
         
                  break;
         case 7 : if (size->width()-*offsetx<=0)               // WEST
                  {
                     offset->setX(size->width()-gridWidth);
                     *offsetx = size->width()-gridWidth;
                  }
                  if (size->width()-*offsetx >= gridWidth)
                  {
                     pos->setX(pos->x()+*offsetx);
                     if (*offsetx>0)
                         size->setWidth(size->width()-abs(*offsetx));
                     else
                         size->setWidth(size->width()+abs(*offsetx));
                  }
                  break;
         case 8 : if (size->width()-*offsetx<=0)               // NORTHWEST
                  {
                     offset->setX(size->width()-gridWidth);
                     *offsetx = size->width()-gridWidth;
                  }
                  if (size->height()-*offsety<=0)
                  {
                     offset->setY(size->height()-gridHeight);
                     *offsety=size->height()-gridHeight;
                  }
                  if (size->width()-*offsetx >= gridWidth &&
                      size->height()-*offsety >= gridHeight)
                  {  
                     *pos+=*offset;
                     if (*offsetx>0)
                         size->setWidth(size->width()-abs(*offsetx));
                     else
                         size->setWidth(size->width()+abs(*offsetx));
 
                     if (*offsety>0)
                         size->setHeight(size->height()-abs(*offsety));
                     else
                         size->setHeight(size->height()+abs(*offsety));
                  }
                  break;
 
         default : break;
     }
 
     if (size->width() < gridWidth)
     {
         size->setWidth(gridWidth);
     }
 
     if (size->height() < gridHeight)
     {
         size->setHeight(gridHeight);
     }
 }
 
 /** This is used to resize the element */
 void CMapElement::resize(QPoint offset,int resizeId)
 {
     QSize size = getSize();
     QPoint pos = getLowPos();
     signed int offsetx = offset.x();
     signed int offsety = offset.y();
 
     // Clac the new positions
     calcResizeCords(&size,&pos,&offsetx,&offsety,&offset,resizeId);
 
 
     CMapCmdElementProperties *cmd = new CMapCmdElementProperties(mapManager,i18n("Resize Element"),this);
         KConfigGroup grp = cmd->getOrgProperties();
     grp.writeEntry("X",getX());
     grp.writeEntry("Y",getY());
     grp.writeEntry("Width",getWidth());
     grp.writeEntry("Height",getHeight());
         grp = cmd->getNewProperties();
     grp.writeEntry("X",pos.x());
     grp.writeEntry("Y",pos.y());
     grp.writeEntry("Width",size.width());
     grp.writeEntry("Height",size.height());
     mapManager->addCommand(cmd);
 /*
     setLowPos(pos);
     setSize(size);
 */
 }
 
 /** Used to set the position of the top left of the element */
 void CMapElement::setLowPos(QPoint pos)
 {
     int width = position.width();
     int height = position.height();
     position.setX(pos.x());
     position.setY(pos.y());
     position.setWidth(width);
     position.setHeight(height);
 
     geometryChanged();
 }
 
 
 /** This method is used to calculate the positions of the resize handles */
 void CMapElement::generateResizePositions()
 {
     generateResizePositions(getRect(), resizePos);
 }
 
 /** This method is used to calc the resize handle positions for a rectangle
    * object and add them to a list
    * @param rect The coridantes of the object
    * @param resizePos The list to add the positions too */
 void CMapElement::generateResizePositions(QRect rect, QList<QRect> &resizePos)
 {
     int width = rect.width();
     int height = rect.height();
     int x1 = rect.left()+1;
     int y1 = rect.top()+1;
     int x2 = rect.right();
     int y2 = rect.bottom();
 
     resizePos.clear();
     resizePos.append(QRect(x1+(width/2)-5,y1-4,7,7));  // NORTH
     resizePos.append(QRect(x2-4,y1-4,7,7));            // NORTHEAST
     resizePos.append(QRect(x2-4,y1+(height/2)-5,7,7)); // EAST
     resizePos.append(QRect(x2-4,y2-4,7,7));            // SOUTHEAST
     resizePos.append(QRect(x1+(width/2)-5,y2-4,7,7));  // SOUTH
     resizePos.append(QRect(x1-4,y2-4,7,7));            // SOUTHWEST
     resizePos.append(QRect(x1-4,y1+(height/2)-5,7,7)); // WEST
     resizePos.append(QRect(x1-4,y1-4,7,7));            // NORTHWEST
 }
 
 /** Used to load the properties of the element from a list of properties */
 void CMapElement::loadProperties(KConfigGroup grp)
 {
     QPoint lowPos  = getLowPos();
     lowPos.setX(grp.readEntry("X",getX()));
     lowPos.setY(grp.readEntry("Y",getY()));
     setLowPos(lowPos);  
     QSize size = getSize();
     size.setWidth(grp.readEntry("Width",getWidth()));
     size.setHeight(grp.readEntry("Height",getHeight()));
     setSize(size);
 }
 
 /** Used to save the properties of the element to a list of properties */
 void CMapElement::saveProperties(KConfigGroup grp)
 {
         grp.writeEntry("Type",(int)getElementType());
         grp.writeEntry("X",getX());
         grp.writeEntry("Y",getY());
         grp.writeEntry("Width",getWidth());
         grp.writeEntry("Height",getHeight());
         if (getZone())
             grp.writeEntry("Zone",getZone()->getZoneID());
         else
             grp.writeEntry("Zone",-1);
 
         CMapLevel *level = getLevel();
         if (level)
         {
             grp.writeEntry("Level",level->getLevelID());
         }
 }
 
 /** Used to save the element as an XML object
   * @param properties The XML object to save the properties too
   * @param doc The XML Document */
 void CMapElement::saveQDomElement(QDomDocument *,QDomElement *properties)
 {
     if (properties)
     {
         properties->setAttribute("Type",(int)getElementType());
         properties->setAttribute("X",getX());
         properties->setAttribute("Y",getY());
         properties->setAttribute("Width",getWidth());
         properties->setAttribute("Height",getHeight());
     }
     else
     {
         qDebug() << "CMapElement::saveQDomElement - properties pointer is null";
     }
 }
 
 /** Used to load the properties from a XML object */
 void CMapElement::loadQDomElement(QDomElement *properties)
 {
     if (properties)
     {
         int x = properties->attribute("X",QString::number(getX())).toInt();
         int y = properties->attribute("Y",QString::number(getY())).toInt();
         setLowPos(QPoint (x,y));
         
         setWidth(properties->attribute("Width",QString::number(getWidth())).toInt());
         setHeight(properties->attribute("Height",QString::number(getHeight())).toInt());
     }
 }
 
 /** This method is used to put a element in a selected state
   * @param sel The selected state to set the element too */
 void CMapElement::setSelected(bool sel)
 {
   selected = sel;
   mapManager->changedElement(this);
 }
 
 /** This method is used to get the selected state of the element
   * @return The selected state of the element */
 bool CMapElement::getSelected(void)
 {
     return selected;
 }
 
 /**
  * This is used to read a color value from a XML object
  * @param e The XML object
  * @param key The key of the color to read
  * @param defaultCol If the color is not found then this will be used
  * @return The Color value
  */
 QColor CMapElement::readColor(QDomElement *e,QString key,QColor defaultCol)
 {     
     if (!e)
     {
         return defaultCol;
     }
 
     // Find Color element
     QDomNode n = e->namedItem(key);
     if (n.isNull())
     {
         return defaultCol;
     }
 
     QDomElement e2 = n.toElement();
     if (e2.isNull() )
     {
         return defaultCol;
     }
 
     // Get color values
     QString red = e2.attribute("Red","Not Found");
     QString green = e2.attribute("Green","Not Found");
     QString blue = e2.attribute("Blue","Not Found");
 
     if (red=="Not Found" || green=="Not Found" || blue=="Not Found")
     {
         return defaultCol;
     }
 
     QColor col(red.toInt(),green.toInt(),blue.toInt());
 
     return col;
 }
 
 /**
  * This is used to write a color value to a XML object
  * @param doc The XML document
  * @param e The XML object
  * @param key The key of the color to write
  * @param col The color value to write
  */
 void CMapElement::writeColor(QDomDocument *doc,QDomElement *e,QString key,QColor col)
 {
     QDomElement color = doc->createElement (key);
     
     color.setAttribute("Red",col.red());
     color.setAttribute("Green",col.green());
     color.setAttribute("Blue",col.blue());
     
     e->appendChild(color);
 }
 
 /**
  * This method is used to read a int value from a XML object
  * @param e The XML object
  * @param key The key of the int to read
  * @param defaultCol If the int is not found then this will be used
  * @return The int value
  */
 int CMapElement::readInt(QDomElement *e,QString key,int i)
 {
    return e->attribute(key,QString::number(i)).toInt();
 }
 
 /**
  * This metod is used to write a int value to a XML object
  * @param doc The XML document
  * @param e The XML object
  * @param key The key of the int to write
  * @param i The int value to write
  */
 void CMapElement::writeInt(QDomDocument *,QDomElement *e,QString key,int i)
 {
    e->setAttribute(key,i);
 }
 
 
 /**
  * This method is used to read a boolean value from a XML object
  * @param e The XML object
  * @param key The key of the boolean to read
  * @param defaultCol If the boolean is not found then this will be used
  * @return The boolean value
  */
 bool CMapElement::readBool(QDomElement *e,QString key,bool b)
 {
     QString defaultStr = b ? "true" : "false";
     return (e->attribute(key,defaultStr)=="true");
 }
 
 /**
  * This metod is used to write a boolean value to a XML object
  * @param doc The XML document
  * @param e The XML object
  * @param key The key of the boolean to write
  * @param b The bolean value to write
  */
 void CMapElement::writeBool(QDomElement *e,QString key,bool b)
 {
   e->setAttribute(key, b ? "true" : "false");
 }
 
 #include "moc_cmapelement.cpp"