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//////////////////////////////////////////////////////////////////////////
//
// pgAdmin III - PostgreSQL Tools
//
// Copyright (C) 2002 - 2014, The pgAdmin Development Team
// This software is released under the PostgreSQL Licence
//
// gqbModel.cpp - Model of MVC Pattern for GQB
//
//////////////////////////////////////////////////////////////////////////
#include "pgAdmin3.h"
// wxWindows headers
#include <wx/wx.h>
// App headers
#include "gqb/gqbModel.h"
#include "gqb/gqbQueryObjs.h"
gqbModel::gqbModel():
wxObject()
{
// here store all queryObjects
// GQB-TODO: allow different names for each model
queryCollection = new gqbQueryObjs();
restrictions = new gqbRestrictions();
columnsAlias = new wxArrayString();
}
// GQB-TODO: check this destructor is not complete
gqbModel::~gqbModel()
{
if(queryCollection)
delete queryCollection;
// Don't owns objects only remove then in both
colsPosition.Empty();
colsParents.Empty();
if(columnsAlias)
delete columnsAlias;
//GQB-TODO: delete restrictions
}
gqbQueryObject *gqbModel::addTable(gqbTable *table, wxPoint p)
{
// Get a table but introduce a QueryObject
gqbQueryObject *tmp = new gqbQueryObject(table);
tmp->position = p;
// Now use insert the new object in the collection of the model
queryCollection->addTable(tmp);
// Columns of added table should be possible to use on Order By Clause
gqbIteratorBase *iterator = tmp->parent->createColumnsIterator();
while(iterator->HasNext())
{
gqbColumn *col = (gqbColumn *)iterator->Next();
AvailableColumns.Add(col);
ColumnAvailParent.Add(tmp);
}
delete iterator;
return tmp;
}
gqbIteratorBase *gqbModel::createQueryIterator()
{
return queryCollection->createQueryIterator();
}
gqbIteratorBase *gqbModel::createDownQueryIterator()
{
return queryCollection->createDownQueryIterator();
}
void gqbModel::deleteTable(gqbQueryObject *modelTable)
{
if(modelTable)
{
queryCollection->removeTable(modelTable);
delete modelTable;
modelTable = NULL;
}
}
int gqbModel::tablesCount()
{
return queryCollection->tablesCount();
}
void gqbModel::emptyAll()
{
colsPosition.Empty();
colsParents.Empty();
queryCollection->removeAllQueryObjs();
}
gqbQueryRestriction *gqbModel::addRestriction()
{
gqbQueryRestriction *r = new gqbQueryRestriction();
restrictions->addRestriction(r);
return r;
}
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