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/***************************************************************************
copyright : (C) 2003-2006 by Robby Stephenson
email : [email protected]
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of version 2 of the GNU General Public License as *
* published by the Free Software Foundation; *
* *
***************************************************************************/
#include "ratingwidget.h"
#include "../field.h"
#include "../latin1literal.h"
#include "../tellico_utils.h"
#include "../tellico_debug.h"
#include <kiconloader.h>
#include <tqintdict.h>
#include <tqlayout.h>
namespace {
static const int RATING_WIDGET_MAX_ICONS = 10; // same as in Field::ratingValues()
static const int RATING_WIDGET_MAX_STAR_SIZE = 24;
}
using Tellico::GUI::RatingWidget;
const TQPixmap& RatingWidget::pixmap(const TQString& value_) {
static TQIntDict<TQPixmap> pixmaps;
if(pixmaps.isEmpty()) {
pixmaps.insert(-1, new TQPixmap());
}
bool ok;
int n = Tellico::toUInt(value_, &ok);
if(!ok || n < 1 || n > 10) {
return *pixmaps[-1];
}
if(pixmaps[n]) {
return *pixmaps[n];
}
TQString picName = TQString::fromLatin1("stars%1").tqarg(n);
TQPixmap* pix = new TQPixmap(UserIcon(picName));
pixmaps.insert(n, pix);
return *pix;
}
RatingWidget::RatingWidget(Data::FieldPtr field_, TQWidget* parent_, const char* name_/*=0*/)
: TQHBox(parent_, name_), m_field(field_), m_currIndex(-1) {
m_pixOn = UserIcon(TQString::fromLatin1("star_on"));
m_pixOff = UserIcon(TQString::fromLatin1("star_off"));
setSpacing(0);
// find maximum width and height
int w = TQMAX(RATING_WIDGET_MAX_STAR_SIZE, TQMAX(m_pixOn.width(), m_pixOff.width()));
int h = TQMAX(RATING_WIDGET_MAX_STAR_SIZE, TQMAX(m_pixOn.height(), m_pixOff.height()));
for(int i = 0; i < RATING_WIDGET_MAX_ICONS; ++i) {
TQLabel* l = new TQLabel(this);
l->setFixedSize(w, h);
m_widgets.append(l);
}
init();
TQBoxLayout* l = dynamic_cast<TQBoxLayout*>(tqlayout());
if(l) {
l->addStretch(1);
}
}
void RatingWidget::init() {
updateBounds();
m_total = TQMIN(m_max, static_cast<int>(m_widgets.count()));
uint i = 0;
for( ; static_cast<int>(i) < m_total; ++i) {
m_widgets.at(i)->setPixmap(m_pixOff);
}
for( ; i < m_widgets.count(); ++i) {
m_widgets.at(i)->setPixmap(TQPixmap());
}
update();
}
void RatingWidget::updateBounds() {
bool ok; // not used;
m_min = Tellico::toUInt(m_field->property(TQString::fromLatin1("minimum")), &ok);
m_max = Tellico::toUInt(m_field->property(TQString::fromLatin1("maximum")), &ok);
if(m_max > RATING_WIDGET_MAX_ICONS) {
myDebug() << "RatingWidget::updateBounds() - max is too high: " << m_max << endl;
m_max = RATING_WIDGET_MAX_ICONS;
}
if(m_min < 1) {
m_min = 1;
}
}
void RatingWidget::update() {
int i = 0;
for( ; i <= m_currIndex; ++i) {
m_widgets.at(i)->setPixmap(m_pixOn);
}
for( ; i < m_total; ++i) {
m_widgets.at(i)->setPixmap(m_pixOff);
}
TQHBox::update();
}
void RatingWidget::mousePressEvent(TQMouseEvent* event_) {
// only react to left button
if(event_->button() != Qt::LeftButton) {
return;
}
int idx;
TQWidget* child = childAt(event_->pos());
if(child) {
idx = m_widgets.findRef(static_cast<TQLabel*>(child));
// if the widget is clicked beyond the maximum value, clear it
// remember total and min are values, but index is zero-based!
if(idx > m_total-1) {
idx = -1;
} else if(idx < m_min-1) {
idx = m_min-1; // limit to minimum, remember index is zero-based
}
} else {
idx = -1;
}
if(m_currIndex != idx) {
m_currIndex = idx;
update();
emit modified();
}
}
void RatingWidget::clear() {
m_currIndex = -1;
update();
}
TQString RatingWidget::text() const {
// index is index of the list, which is zero-based. Add 1!
return m_currIndex == -1 ? TQString() : TQString::number(m_currIndex+1);
}
void RatingWidget::setText(const TQString& text_) {
bool ok;
// text is value, subtract one to get index
m_currIndex = Tellico::toUInt(text_, &ok)-1;
if(ok) {
if(m_currIndex > m_total-1) {
m_currIndex = -1;
} else if(m_currIndex < m_min-1) {
m_currIndex = m_min-1; // limit to minimum, remember index is zero-based
}
} else {
m_currIndex = -1;
}
update();
}
void RatingWidget::updateField(Data::FieldPtr field_) {
m_field = field_;
init();
}
#include "ratingwidget.moc"
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