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tdepim/knode/knrangefilter.cpp

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5.1 KiB

/*
knrangefilter.cpp
KNode, the KDE newsreader
Copyright (c) 1999-2001 the KNode authors.
See file AUTHORS for details
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, US
*/
#include <tqlabel.h>
#include <tqlayout.h>
#include <tqcheckbox.h>
#include <tqcombobox.h>
#include <ksimpleconfig.h>
#include <knuminput.h>
#include "knrangefilter.h"
bool KNRangeFilter::doFilter(int a)
{
bool ret=true;
if(enabled) {
switch (op1) {
case gt:
case gtoeq:
if (op2 != dis)
ret=( matchesOp(val1,op1,a) && matchesOp(a,op2,val2) );
else
ret = matchesOp(val1,op1,a);
break;
case eq:
case lt:
case ltoeq:
ret = matchesOp(val1,op1,a);
break;
default:
ret = false;
}
}
return ret;
}
bool KNRangeFilter::matchesOp(int v1, Op o, int v2)
{
bool ret=false;
switch(o) {
case eq: ret=(v1==v2); break;
case gt: ret=(v1<v2); break;
case gtoeq: ret=(v1<=v2); break;
case ltoeq: ret=(v1>=v2); break;
case lt: ret=(v1>v2); break;
default: ret=false; break;
};
return ret;
}
void KNRangeFilter::load(KSimpleConfig *conf)
{
enabled=conf->readBoolEntry("enabled", false);
val1=conf->readNumEntry("val1",0);
op1=(Op) conf->readNumEntry("op1",0);
val2=conf->readNumEntry("val2",0);
op2=(Op) conf->readNumEntry("op2",0);
}
void KNRangeFilter::save(KSimpleConfig *conf)
{
conf->writeEntry("enabled", enabled);
conf->writeEntry("val1", val1);
conf->writeEntry("op1", (int)op1);
conf->writeEntry("op2", (int)op2);
conf->writeEntry("val2", val2);
}
//=====================================================================================
//=====================================================================================
KNRangeFilterWidget::KNRangeFilterWidget(const TQString& value, int min, int max, TQWidget* parent, const TQString &unit)
: TQGroupBox(value, parent)
{
enabled=new TQCheckBox(this);
val1=new KIntSpinBox(min, max, 1, min, 10, this);
val1->setSuffix(unit);
val2=new KIntSpinBox(min, max, 1, min, 10, this);
val2->setSuffix(unit);
op1=new TQComboBox(this);
op1->insertItem("<");
op1->insertItem("<=");
op1->insertItem("=");
op1->insertItem(">=");
op1->insertItem(">");
op2=new TQComboBox(this);
op2->insertItem("");
op2->insertItem("<");
op2->insertItem("<=");
des=new TQLabel(value, this);
des->tqsetAlignment(AlignCenter);
TQGridLayout *topL=new TQGridLayout(this, 2,6, 8,5 );
topL->addRowSpacing(0, fontMetrics().lineSpacing()-4);
topL->addWidget(enabled,1,0, Qt::AlignHCenter);
topL->addColSpacing(0, 30);
topL->addWidget(val1,1,1);
topL->addWidget(op1,1,2);
topL->addWidget(des,1,3);
topL->addColSpacing(3, 45);
topL->addWidget(op2,1,4);
topL->addWidget(val2,1,5);
topL->setColStretch(1,1);
topL->setColStretch(5,1);
connect(op1, TQT_SIGNAL(activated(int)), TQT_SLOT(slotOp1Changed(int)));
connect(op2, TQT_SIGNAL(activated(int)), TQT_SLOT(slotOp2Changed(int)));
connect(enabled, TQT_SIGNAL(toggled(bool)), TQT_SLOT(slotEnabled(bool)));
slotEnabled(false);
}
KNRangeFilterWidget::~KNRangeFilterWidget()
{
}
KNRangeFilter KNRangeFilterWidget::filter()
{
KNRangeFilter r;
r.val1=val1->value();
r.val2=val2->value();
r.op1=(KNRangeFilter::Op) op1->currentItem();
if (op2->currentText().isEmpty())
r.op2=KNRangeFilter::dis;
else if (op2->currentText()=="<")
r.op2=KNRangeFilter::gt;
else if (op2->currentText()=="<=")
r.op2=KNRangeFilter::gtoeq;
r.enabled=enabled->isChecked();
return r;
}
void KNRangeFilterWidget::setFilter(KNRangeFilter &f)
{
val1->setValue(f.val1);
val2->setValue(f.val2);
op1->setCurrentItem((int)f.op1);
if (f.op2 == KNRangeFilter::dis)
op2->setCurrentItem(0);
else if (f.op2 == KNRangeFilter::gt)
op2->setCurrentItem(1);
else if (f.op2 == KNRangeFilter::gtoeq)
op2->setCurrentItem(2);
enabled->setChecked(f.enabled);
}
void KNRangeFilterWidget::clear()
{
val1->setValue(val1->minValue());
val2->setValue(val2->minValue());
enabled->setChecked(false);
}
void KNRangeFilterWidget::slotOp1Changed(int id)
{
bool state = (op1->isEnabled() && (id<2));
op2->setEnabled(state);
des->setEnabled(state);
slotOp2Changed(op2->currentItem());
}
void KNRangeFilterWidget::slotOp2Changed(int id)
{
val2->setEnabled(op1->isEnabled() && (op1->currentItem()<2) && (id>0));
}
void KNRangeFilterWidget::slotEnabled(bool e)
{
op1->setEnabled(e);
val1->setEnabled(e);
des->setEnabled(e);
slotOp1Changed(op1->currentItem());
}
// -----------------------------------------------------------------------------
#include "knrangefilter.moc"