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/***************************************************************************
* *
* This file is part of the Fotowall project, *
* http://www.enricoros.com/opensource/fotowall *
* *
* Copyright (C) 2009 by Enrico Ros <enrico.ros@gmail.com> *
* *
* 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. *
* *
***************************************************************************/
#include "ButtonsDialog.h"
#include <QAbstractButton>
#include <QCheckBox>
#include <QGridLayout>
#include <QLabel>
#include <QPushButton>
#include <QSettings>
#include <QVBoxLayout>
ButtonsDialog::ButtonsDialog(const QString & dialogId, const QString & title,
const QString & message, QDialogButtonBox::StandardButtons buttons,
bool buttonsCentered, bool memorize)
: m_dialogId(dialogId)
, m_memorize(false)
, m_iconLabel(0)
, m_messageLabel(0)
, m_memorizeCheckbox(0)
, m_extraLayout(0)
, m_buttonBox(0)
, m_defaultButton(QDialogButtonBox::NoButton)
, m_pressedButton(QDialogButtonBox::NoButton)
{
// create contents
QGridLayout * mainLay = new QGridLayout(this);
m_iconLabel = new QLabel(this);
m_iconLabel->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
mainLay->addWidget(m_iconLabel, 0, 0, 3, 1);
m_messageLabel = new QLabel(this);
m_messageLabel->setContentsMargins(2, 0, 0, 0);
m_messageLabel->setTextFormat(Qt::RichText);
m_messageLabel->setTextInteractionFlags(Qt::NoTextInteraction);
//m_messageLabel->setWordWrap(true);
mainLay->addWidget(m_messageLabel, 0, 1, 1, 1, Qt::AlignVCenter);
m_extraLayout = new QVBoxLayout();
mainLay->addLayout(m_extraLayout, 1, 1, 1, 1);
m_memorizeCheckbox = new QCheckBox(tr("ask again next time"), this);
m_memorizeCheckbox->setChecked(true);
m_memorizeCheckbox->setVisible(m_memorize);
mainLay->addWidget(m_memorizeCheckbox, 2, 1, 1, 1);
m_buttonBox = new QDialogButtonBox(this);
connect(m_buttonBox, SIGNAL(clicked(QAbstractButton*)), this, SLOT(slotButtonClicked(QAbstractButton *)));
m_buttonBox->setStandardButtons(QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
m_buttonBox->setFocus();
mainLay->addWidget(m_buttonBox, 3, 0, 1, 2);
// apply initial values
if (!title.isEmpty())
setTitle(title);
if (!message.isEmpty())
setMessage(message);
if (buttons != QDialogButtonBox::NoButton)
setButtons(buttons);
if (buttonsCentered)
setButtonsCentered(true);
if (memorize)
setMemorizeEnabled(true);
#if 0
// useful if the message label word-wraps, so we have to set a minimum size
// by hand
setModal(true);
setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Preferred);
QSize screenSize = QApplication::desktop()->availableGeometry(QCursor::pos()).size();
setMinimumWidth(qMin(screenSize.width() - 480, screenSize.width()/2));
setMinimumHeight(190);
mainLay->activate();
adjustSize();
resize(minimumSize());
#endif
}
QDialogButtonBox::StandardButton ButtonsDialog::execute()
{
// handle a previous answer if memorize is on
QString configKey = "ButtonsDialogSkip/" + m_dialogId;
if (m_memorize) {
// return the previous answer if such answer exists
QSettings s;
if (s.contains(configKey))
return (QDialogButtonBox::StandardButton)s.value(configKey).toInt();
}
// pop up the dialog
m_pressedButton = QDialogButtonBox::NoButton;
int retCode = exec();
if (retCode == QDialog::Rejected || m_pressedButton == QDialogButtonBox::NoButton)
return QDialogButtonBox::NoButton;
// save the answer if requested
if (m_memorize && !m_memorizeCheckbox->isChecked() && m_pressedButton != QDialogButtonBox::Cancel)
QSettings().setValue(configKey, (int)m_pressedButton);
// return the choosen key
return m_pressedButton;
}
void ButtonsDialog::setButtons(QDialogButtonBox::StandardButtons buttons)
{
m_buttonBox->setStandardButtons(buttons);
setDefaultButton(m_defaultButton);
foreach (QDialogButtonBox::StandardButton sb, m_buttonNames.keys())
setButtonText(sb, m_buttonNames[sb]);
}
QDialogButtonBox::StandardButtons ButtonsDialog::buttons() const
{
return m_buttonBox->standardButtons();
}
void ButtonsDialog::setButtonText(QDialogButtonBox::StandardButton sb, const QString & text)
{
m_buttonNames[sb] = text;
if (QPushButton * pButton = m_buttonBox->button(sb))
pButton->setText(text);
}
QString ButtonsDialog::buttonText(QDialogButtonBox::StandardButton sb) const
{
QPushButton * pButton = m_buttonBox->button(sb);
return pButton ? pButton->text() : QString();
}
void ButtonsDialog::setDefaultButton(QDialogButtonBox::StandardButton sb)
{
m_defaultButton = sb;
foreach (QAbstractButton * aButton, m_buttonBox->buttons())
if (QPushButton * pButton = dynamic_cast<QPushButton *>(aButton))
pButton->setDefault(m_buttonBox->standardButton(aButton) == m_defaultButton);
}
QDialogButtonBox::StandardButton ButtonsDialog::defaultButton() const
{
return m_defaultButton;
}
void ButtonsDialog::setButtonsCentered(bool centered)
{
m_buttonBox->setCenterButtons(centered);
}
bool ButtonsDialog::buttonsCentered() const
{
return m_buttonBox->centerButtons();
}
void ButtonsDialog::setMessage(const QString & message)
{
m_messageLabel->setText(message);
}
QString ButtonsDialog::message() const
{
return m_messageLabel->text();
}
void ButtonsDialog::setTitle(const QString & title)
{
setWindowTitle(title);
}
QString ButtonsDialog::title() const
{
return windowTitle();
}
void ButtonsDialog::setIcon(const QIcon & icon)
{
m_icon = icon;
setWindowIcon(m_icon);
m_iconLabel->setPixmap(m_icon.pixmap(32, 32));
}
void ButtonsDialog::setIcon(QStyle::StandardPixmap standardIcon)
{
setIcon(style()->standardIcon(standardIcon));
}
QIcon ButtonsDialog::icon() const
{
return m_icon;
}
void ButtonsDialog::addExtraWidget(QWidget * widget)
{
if (widget) {
m_extraLayout->addWidget(widget);
m_extraWidgets.append(widget);
connect(widget, SIGNAL(destroyed()), this, SLOT(slotExtraWidgetDeleted(QObject*)));
}
}
QList<QWidget *> ButtonsDialog::extraWidgets() const
{
return m_extraWidgets;
}
void ButtonsDialog::setMemorizeEnabled(bool enabled)
{
m_memorize = enabled;
m_memorizeCheckbox->setVisible(m_memorize);
}
bool ButtonsDialog::memorizeEnabled() const
{
return m_memorize;
}
void ButtonsDialog::slotButtonClicked(QAbstractButton * button)
{
// save the pressed button and return from the 'exec()'
m_pressedButton = m_buttonBox->standardButton(button);
accept();
}
void ButtonsDialog::slotExtraWidgetDeleted(QObject * object)
{
QWidget * widget = static_cast<QWidget *>(object);
m_extraWidgets.removeAll(widget);
}
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