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/*
Copyright (C) 2001 Stefan Westerfeld
stefan@space.twc.de
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include "kgraphline_impl.h"
#include "kwidgetrepo.h"
#include "kgraph.h"
using namespace Arts;
using namespace std;
KGraphLine_impl::KGraphLine_impl()
{
_graphID = -1;
}
KGraphLine_impl::~KGraphLine_impl()
{
KGraph *kgraph = getKGraph();
if(kgraph)
kgraph->removeLine(this);
}
Graph KGraphLine_impl::graph()
{
return Arts::DynamicCast(KWidgetRepo::the()->lookupWidget(_graphID));
}
void KGraphLine_impl::graph(Graph newGraph)
{
KGraph *kgraph = getKGraph();
if(kgraph)
kgraph->removeLine(this);
_graphID = newGraph.widgetID();
kgraph = getKGraph();
if(kgraph)
kgraph->addLine(this);
}
bool KGraphLine_impl::editable()
{
return _editable;
}
void KGraphLine_impl::editable(bool newEditable)
{
_editable = newEditable;
KGraph *kgraph = getKGraph();
if(kgraph)
kgraph->redrawLine(this);
}
string KGraphLine_impl::color()
{
return _color;
}
void KGraphLine_impl::color(const std::string& newColor)
{
_color = newColor;
KGraph *kgraph = getKGraph();
if(kgraph)
kgraph->redrawLine(this);
}
vector<GraphPoint> *KGraphLine_impl::points()
{
return new vector<GraphPoint>(_points);
}
void KGraphLine_impl::points(const vector<GraphPoint>& newPoints)
{
_points = newPoints;
KGraph *kgraph = getKGraph();
if(kgraph)
kgraph->redrawLine(this);
// emitting a change notification is a bit tricky because no real
// Arts::AnyRef support is there for sequence<Arts::GraphPoint>
Arts::Any any;
Arts::Buffer buffer;
any.type = "*Arts::GraphPoint";
writeTypeSeq(buffer,_points);
buffer.read(any.value,buffer.size());
_emit_changed("points_changed",any);
}
KGraph *KGraphLine_impl::getKGraph()
{
QWidget *widget = KWidgetRepo::the()->lookupQWidget(_graphID);
if(!widget)
return 0;
return dynamic_cast<KGraph *>(widget);
}
namespace Arts {
REGISTER_IMPLEMENTATION(KGraphLine_impl);
}
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