File indexing completed on 2024-04-21 05:43:48

 /***************************************************************************
  *   Copyright (C) 2005 by David Saxton                                    *
  *   david@bluehaze.org                                                    *
  *                                                                         *
  *   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 "mechanicsgroup.h"
 #include "mechanicsdocument.h"
 #include "mechanicsitem.h"
 
 MechanicsGroup::MechanicsGroup(MechanicsDocument *mechanicsDocument)
     : ItemGroup(mechanicsDocument)
 {
     b_isRaised = false;
 }
 
 MechanicsGroup::~MechanicsGroup()
 {
 }
 
 bool MechanicsGroup::addItem(Item *item)
 {
     if (!item || !item->canvas() || m_itemList.contains(item)) {
         return false;
     }
 
     // Check that the item's parent isn't already selected
     Item *parent = item->parentItem();
     while (parent) {
         if (m_itemList.contains(parent))
             return false;
         parent = parent->parentItem();
     }
     removeChildren(item);
 
     registerItem(item);
     updateInfo();
     item->setSelected(true);
     if (MechanicsItem *mechanicsItem = dynamic_cast<MechanicsItem *>(item))
         mechanicsItem->setRaised(b_isRaised);
     emit itemAdded(item);
     return true;
 }
 
 bool MechanicsGroup::removeItem(Item *item)
 {
     if (!item || !m_itemList.contains(item)) {
         return false;
     }
     unregisterItem(item);
     updateInfo();
     item->setSelected(false);
     MechanicsItem *mechanicsItem = dynamic_cast<MechanicsItem *>(item);
     if (mechanicsItem)
         mechanicsItem->setRaised(false);
     emit itemRemoved(item);
     return true;
 }
 
 void MechanicsGroup::removeChildren(Item *item)
 {
     if (!item)
         return;
 
     const ItemList children = item->children();
     const ItemList::const_iterator end = children.end();
     for (ItemList::const_iterator it = children.begin(); it != end; ++it) {
         removeChildren(*it);
         removeItem(*it);
     }
 }
 
 void MechanicsGroup::setRaised(bool isRaised)
 {
     b_isRaised = isRaised;
     const ItemList::iterator end = m_itemList.end();
     for (ItemList::iterator it = m_itemList.begin(); it != end; ++it) {
         MechanicsItem *mechanicsItem = dynamic_cast<MechanicsItem *>(static_cast<Item *>(*it));
         if (mechanicsItem)
             mechanicsItem->setRaised(b_isRaised);
     }
 }
 
 void MechanicsGroup::setSelectionMode(uint sm)
 {
     const ItemList::iterator end = m_itemList.end();
     for (ItemList::iterator it = m_itemList.begin(); it != end; ++it) {
         MechanicsItem *mechanicsItem = dynamic_cast<MechanicsItem *>(static_cast<Item *>(*it));
         if (mechanicsItem)
             mechanicsItem->setSelectionMode(static_cast<MechanicsItem::SelectionMode>(sm));
     }
 }
 
 MechanicsItemList MechanicsGroup::extractMechanicsItems() const
 {
     MechanicsItemList mechanicsItemList;
 
     const ItemList::const_iterator end = m_itemList.end();
     for (ItemList::const_iterator it = m_itemList.begin(); it != end; ++it) {
         MechanicsItem *mechanicsItem = dynamic_cast<MechanicsItem *>(static_cast<Item *>(*it));
         if (mechanicsItem)
             mechanicsItemList.append(mechanicsItem);
     }
 
     return mechanicsItemList;
 }
 
 MechanicsItemList MechanicsGroup::toplevelMechItemList() const
 {
     MechanicsItemList toplevel;
 
     MechanicsItemList mechItemList = extractMechanicsItems();
 
     const MechanicsItemList::const_iterator end = mechItemList.end();
     for (MechanicsItemList::const_iterator it = mechItemList.begin(); it != end; ++it) {
         MechanicsItem *parent = *it;
         while (parent) {
             if (!parent->parentItem() && !toplevel.contains(parent))
                 toplevel.append(parent);
 
             parent = dynamic_cast<MechanicsItem *>(parent->parentItem());
         }
     }
 
     return toplevel;
 }
 
 void MechanicsGroup::setSelected(bool sel)
 {
     const ItemList::iterator end = m_itemList.end();
     for (ItemList::iterator it = m_itemList.begin(); it != end; ++it) {
         if (*it && (*it)->isSelected() != sel) {
             (*it)->setSelected(sel);
         }
     }
 }
 
 bool MechanicsGroup::addQCanvasItem(KtlQCanvasItem *item)
 {
     return addItem(dynamic_cast<Item *>(item));
 }
 
 bool MechanicsGroup::contains(KtlQCanvasItem *item) const
 {
     return m_itemList.contains(dynamic_cast<Item *>(item));
 }
 
 void MechanicsGroup::deleteAllItems()
 {
     const ItemList::iterator end = m_itemList.end();
     for (ItemList::iterator it = m_itemList.begin(); it != end; ++it) {
         if (*it)
             (*it)->removeItem();
     }
 
     removeAllItems();
 }
 
 void MechanicsGroup::mergeGroup(ItemGroup *itemGroup)
 {
     MechanicsGroup *group = dynamic_cast<MechanicsGroup *>(itemGroup);
     if (!group) {
         return;
     }
 
     const ItemList items = group->items();
     const ItemList::const_iterator end = items.end();
     for (ItemList::const_iterator it = items.begin(); it != end; ++it) {
         addItem(*it);
     }
 }
 
 void MechanicsGroup::removeAllItems()
 {
     while (!m_itemList.isEmpty())
         removeItem(m_itemList.first());
 }
 
 void MechanicsGroup::removeQCanvasItem(KtlQCanvasItem *item)
 {
     removeItem(dynamic_cast<Item *>(item));
 }
 
 void MechanicsGroup::setItems(KtlQCanvasItemList list)
 {
     {
         ItemList removeList;
         const ItemList::iterator end = m_itemList.end();
         for (ItemList::iterator it = m_itemList.begin(); it != end; ++it) {
             if (!list.contains(*it)) {
                 removeList.append(*it);
             }
         }
         const ItemList::iterator rend = removeList.end();
         for (ItemList::iterator it = removeList.begin(); it != rend; ++it) {
             removeItem(*it);
             (*it)->setSelected(false);
         }
     }
 
     const KtlQCanvasItemList::iterator end = list.end();
     for (KtlQCanvasItemList::iterator it = list.begin(); it != end; ++it) {
         // We don't need to check that we've already got the item as it will
         // be checked in the function call
         addQCanvasItem(*it);
     }
 }
 
 void MechanicsGroup::updateInfo()
 {
 }
 
 #include "moc_mechanicsgroup.cpp"