Jim Evins
130 lines
2.7 KiB
C++
130 lines
2.7 KiB
C++
/* ColorHistory.cpp
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*
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* Copyright (C) 2014-2016 Jim Evins <evins@snaught.com>
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*
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* This file is part of gLabels-qt.
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*
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* gLabels-qt is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* gLabels-qt 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with gLabels-qt. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "ColorHistory.h"
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#include <QSettings>
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#include <QtDebug>
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namespace glabels
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{
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ColorHistory::ColorHistory()
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{
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// empty
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}
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ColorHistory* ColorHistory::instance()
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{
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static ColorHistory* singletonInstance = nullptr;
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if ( singletonInstance == nullptr )
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{
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singletonInstance = new ColorHistory();
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}
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return singletonInstance;
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}
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void ColorHistory::addColor( const QColor &color, const QString& name )
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{
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QString nameColor = name + ":" + color.name();
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QStringList nameColorList = readNameColorList();
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// Remove any occurrences of this color already in list
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nameColorList.removeAll( nameColor );
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// Now add to list
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nameColorList.append( nameColor );
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// Remove oldest colors, if size exceeds current max
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while ( nameColorList.size() > MAX_COLORS )
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{
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nameColorList.removeFirst();
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}
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writeNameColorList( nameColorList );
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emit changed();
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}
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QList<QColor> ColorHistory::getColors()
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{
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QList<QColor> colorList;
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for ( QString& nameColor : readNameColorList() )
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{
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QStringList v = nameColor.split( ':' );
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colorList << QColor( v[1] );
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}
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return colorList;
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}
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QStringList ColorHistory::getNames()
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{
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QStringList nameList;
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for ( QString& nameColor : readNameColorList() )
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{
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QStringList v = nameColor.split( ':' );
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nameList << v[0];
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}
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return nameList;
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}
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QStringList ColorHistory::readNameColorList()
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{
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QStringList defaultList;
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QSettings settings;
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settings.beginGroup( "ColorHistory" );
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QStringList nameColorList = settings.value( "colors", defaultList ).toStringList();
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settings.endGroup();
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// Remove oldest colors, if size exceeds current max
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while ( nameColorList.size() > MAX_COLORS )
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{
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nameColorList.removeFirst();
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}
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return nameColorList;
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}
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void ColorHistory::writeNameColorList( const QStringList& nameColorList )
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{
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// Save
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QSettings settings;
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settings.beginGroup( "ColorHistory" );
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settings.setValue( "colors", nameColorList );
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settings.endGroup();
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}
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} // namespace glabels
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