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