guitreeviewctrl.cc

五行MMORPG引擎系统V1.0

   // Do we want to allow more than one selected item?
   //if( !mMultipleSelections )
   //   clearSelection();

   mSelectedItems.push_front(item);
}


void GuiTreeViewCtrl::onItemSelected( Item *item )
{

   char buf[16];
   dSprintf(buf, 16, "%d", item->mId);
   if (item->isInspectorData())
   {
      Con::executef(this, 2, "onSelect", Con::getIntArg(item->getObject()->getId()));
      if (!(item->isParent()) && item->getObject())
         Con::executef(this, 2, "onInspect", Con::getIntArg(item->getObject()->getId()));
   }
   else
   {
      Con::executef(this, 2, "onSelect", buf);
      if (!(item->isParent()))
         Con::executef(this, 2, "onInspect", buf);
   }
   mSelectedItem = item->getID();

}

bool GuiTreeViewCtrl::setItemSelected(S32 itemId, bool select)
{
   Item * item = getItem(itemId);

   if (select)
   {
      if (mDebug) Con::printf("setItemSelected called true");

      mSelected.push_front(itemId);
   }
   else
   {
      if (mDebug) Con::printf("setItemSelected called false");

      // remove it from the mSelected list
      for (S32 j = 0; j <mSelected.size(); j++)
      {
         if (item)
         {
            if (item->isInspectorData())
            {
               if (item->getObject())
               {
                  if(item->getObject()->getId() == mSelected[j])
                  {
                     mSelected.erase(j);
                     break;
                  }
               }
               else
               {
                  // Zombie, kill it!
                  mSelected.erase(j);
                  j--;
               }
            }
         }

         if (mSelected[j] == itemId)
         {
            mSelected.erase(j);
            break;
         }
      }
   }

   if(!item)
   {
      // maybe what we were passed wasn't an item id but an object id.
      for (S32 i = 0; i <mItems.size(); i++)
      {
         if (mItems[i] != 0)
         {
            if (mItems[i]->isInspectorData())
            {
               if (mItems[i]->getObject())
               {
                  if(mItems[i]->getObject()->getId() == itemId)
                  {
                     item = mItems[i];
                     break;
                  }
               }
               else
               {
                  // It's a zombie, blast it.
                  mItems.erase(i);
                  i--;
               }
            }
         }
      }

      if (!item)
      {
         //Con::errorf(ConsoleLogEntry::General, "GuiTreeViewCtrl::setItemSelected: invalid item id! Perhaps it isn't visible yet.");
         return(false);
      }
   }

   if(select)
   {
      addSelection( item->mId );
      onItemSelected( item );
   }
   else
   {
      // unselect the item, if it's present.
      item->mState.set(Item::Selected, false);

      if (item->isInspectorData())
      {
         if(item->getObject())
         {
            Con::executef(this, 2, "onUnSelect", Con::getIntArg(item->getObject()->getId()));
         }
      }
      else
      {
         Con::executef(this, 2, "onUnSelect", Con::getIntArg(item->mId));
      }

      // remove it from the selected items list
      for (S32 i = 0; i < mSelectedItems.size(); i++)
      {
         if (mSelectedItems[i] == item)
         {
            mSelectedItems.erase(i);
            break;
         }
      }
   }

   setUpdate();
   return(true);
}

bool GuiTreeViewCtrl::setItemExpanded(S32 itemId, bool expand)
{
   Item * item = getItem(itemId);
   if(!item)
   {
      Con::errorf(ConsoleLogEntry::General, "GuiTreeViewCtrl::setItemExpanded: invalid item id!");
      return(false);
   }

   if(item->isExpanded() == expand)
      return(true);

   // expand parents
   if(expand)
   {
      while(item)
      {
         if(item->mState.test(Item::VirtualParent))
            onVirtualParentExpand(item);

         item->setExpanded(true);
         item = item->mParent;
      }
   }
   else
   {
      if(item->mState.test(Item::VirtualParent))
         onVirtualParentCollapse(item);

      item->setExpanded(false);
   }
   return(true);
}


bool GuiTreeViewCtrl::setItemValue(S32 itemId, StringTableEntry Value)
{
   Item * item = getItem(itemId);
   if(!item)
   {
      Con::errorf(ConsoleLogEntry::General, "GuiTreeViewCtrl::setItemValue: invalid item id!");
      return(false);
   }

   item->setValue( ( Value ) ? Value : "" );

   return(true);
}

const char * GuiTreeViewCtrl::getItemText(S32 itemId)
{
   Item * item = getItem(itemId);
   if(!item)
   {
      Con::errorf(ConsoleLogEntry::General, "GuiTreeViewCtrl::getItemText: invalid item id!");
      return("");
   }

   return(item->getText() ? item->getText() : "");
}

const char * GuiTreeViewCtrl::getItemValue(S32 itemId)
{
   Item * item = getItem(itemId);
   if(!item)
   {
      Con::errorf(ConsoleLogEntry::General, "GuiTreeViewCtrl::getItemValue: invalid item id!");
      return("");
   }

   if(item->mState.test(Item::InspectorData))
   {
      // If it's InspectorData, we let people use this call to get an object reference.
      return item->mInspectorInfo.mObject->getIdString();
   }
   else
   {
      // Just return the script value...
      return(item->getValue() ? item->getValue() : "");
   }
}

bool GuiTreeViewCtrl::editItem( S32 itemId, const char* newText, const char* newValue )
{
   Item* item = getItem( itemId );
   if ( !item )
   {
      Con::errorf(ConsoleLogEntry::General, "GuiTreeViewCtrl::editItem: invalid item id!");
      return false;
   }

   if ( item->mState.test(Item::InspectorData) )
   {
      Con::errorf(ConsoleLogEntry::General, "GuiTreeViewCtrl::editItem: item %d is inspector data and may not be modified!", itemId);
      return false;
   }

   delete [] item->getText();
   item->setText (new char[dStrlen( newText ) + 1]);
   dStrcpy( item->getText(), newText );

   delete [] item->getValue();
   item->setValue( new char[dStrlen( newValue ) + 1] );
   dStrcpy( item->getValue(), newValue );

   // Update the widths and such:
   buildVisibleTree();
   return true;
}

void GuiTreeViewCtrl::deleteSelection()
{
   Con::executef(this, 1, "onDeleteSelection");

   if (mSelectedItems.empty())
   {
      for (S32 i = 0; i < mSelected.size(); i++)
      {
         S32 objectId = mSelected[i];

         // find the object
         SimObject* obj = Sim::findObject(objectId);
#ifdef TGE_RPG
			if(dynamic_cast<SimObject*>(obj))
#endif
         obj->deleteObject();
      }
   }
   else
   {
      while (!mSelectedItems.empty())
      {
         Item * item = mSelectedItems.last();
         setItemSelected(item->mId,false);
         if ( item->mParent )
         {
            deleteItem( item );
            
            // If we're still the last item (ie, haven't removed ourselves)
            // then remove it manually.
            if(item == mSelectedItems.back())
               mSelectedItems.pop_back();
         }
      }
   }

   mSelected.clear();
   mSelectedItems.clear();
}

//------------------------------------------------------------------------------
// keyboard movement of items is restricted to just one item at a time
// if more than one item is selected then movement operations are not performed
bool GuiTreeViewCtrl::onKeyDown( const GuiEvent& event )
{
   if ( !mVisible || !mActive || !mAwake )
      return true;

   // All the keyboard functionality requires a selected item, so if none exists...

   // Deal with enter and delete
   if ( event.modifier == 0 )
   {
      if ( event.keyCode == KEY_RETURN )
      {
         if ( mAltConsoleCommand[0] )
            Con::evaluate( mAltConsoleCommand );
         return true;
      }

      if ( event.keyCode == KEY_DELETE && mFlags.test(IsDeletable))
      {
         // Don't delete the root!
         if (mSelectedItems.empty())
            return true;

         //this may be fighting with the world editor delete
         deleteSelection();
         return true;
      }
   }

   // only do operations if only one item is selected
   if ( mSelectedItems.empty() || (mSelectedItems.size() > 1))
      return true;

   Item* item = mSelectedItems.first();

   if ( !item )
      return true;

   // The Alt key lets you move items around!
   if ( mFlags.test(IsEditable) && event.modifier & SI_ALT )
   {
      switch ( event.keyCode )
      {
      case KEY_UP:
         // Move us up.
         if ( item->mPrevious )
         {
            moveItemUp( item->mId );
            scrollVisible(item);
         }
         return true;

      case KEY_DOWN:
         // Move the item under us up.
         if ( item->mNext )
         {
            moveItemUp( item->mNext->mId );
            scrollVisible(item);
         }
         return true;

      case KEY_LEFT:
         if ( item->mParent )
         {
            if ( item->mParent->mParent )
            {
               // Ok, we have both an immediate parent, and a grandparent.

               // The goal of left-arrow alt is to become the child of our
               // grandparent, ie, to become a sibling of our parent.

               // First, unlink item from its siblings.
               if ( item->mPrevious )
                  item->mPrevious->mNext = item->mNext;
               else
                  item->mParent->mChild = item->mNext;

               if ( item->mNext )
                  item->mNext->mPrevious = item->mPrevious;

               // Now, relink as the next sibling of our parent.
               item->mPrevious = item->mParent;
               item->mNext = item->mParent->mNext;

               // If there was already a next sibling, deal with that case.
               if ( item->mNext )
                  item->mNext->mPrevious = item;
               item->mParent->mNext = item;

               // Snag the current parent set if any...
               SimSet *parentSet = NULL;

               if(item->mParent->isInspectorData())
                  parentSet = dynamic_cast<SimSet*>(item->mParent->getObject());
               else
               {
                  // parent is probably script data so we search up the tree for a
                  // set to put our object in
                  Item * temp = item->mParent;
                  while (!temp->isInspectorData())
                     temp = temp->mParent;
                  // found a ancestor who is an inspectorData
                  if (temp->isInspectorData())
                     parentSet = dynamic_cast<SimSet*>(temp->getObject());
                  else parentSet = NULL;
               }

               // Get our active SimObject if any
               SimObject *simObj = NULL;
               if(item->isInspectorData())
                  simObj = item->getObject();

               // Remove from the old parentset...
               if(simObj && parentSet) {
                  if (parentSet->size()>0)
                  {
                     SimObject *lastObject = parentSet->last();
                     parentSet->removeObject(simObj);
                     parentSet->reOrder(lastObject);
                  } else
                     parentSet->removeObject(simObj);
               }

               // And finally, update our item
               item->mParent = item->mParent->mParent;

               // Snag the newparent set if any...
               SimSet *newParentSet = NULL;

               if(item->mParent->isInspectorData())
                  newParentSet = dynamic_cast<SimSet*>(item->mParent->getObject());
               else
               {
                  // parent is probably script data so we search up the tree for a
                  // set to put our object in
                  Item * temp = item->mParent;
                  while (!temp->isInspectorData())
                     temp = temp->mParent;
                  // found a ancestor who is an inspectorData
                  if (temp->isInspectorData())
                     newParentSet = dynamic_cast<SimSet*>(temp->getObject());
                  else newParentSet = NULL;
               }
               if(simObj && newParentSet)
               {

                  newParentSet->addObject(simObj);
                  Item * temp = item->mNext;
                  // item->mNext may be script, so find an inspector item to reorder with if any

                  if (temp) {
                     do {
                        if (temp->isInspectorData())
                           break;
                        temp = temp->mNext;
                     } while (temp);
                     if (temp) //do we still have a item->mNext? If not then don't bother reordering
                        newParentSet->reOrder(item->getObject(), temp->getObject());
                  }

               } else if (!simObj&&newParentSet) {