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Viewing changes to plugins/Tips/tips.cpp

  • Committer: Bazaar Package Importer
  • Author(s): Fabrice Coutadeur
  • Date: 2008-08-20 10:22:14 UTC
  • Revision ID: james.westby@ubuntu.com-20080820102214-fv93myu0ncb1503r
Tags: upstream-0.2.4
Import upstream version 0.2.4

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plugins/Tips/tips.cpp
 
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//MountManager - the program for easy mounting of storage devices in Linux
 
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//Copyright (C) 2007-2008 Tikhonov Sergey
 
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//
 
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//This file is part of MountManager Plugin "Tips of the day"
 
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//
 
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//This program is free software; you can redistribute it and/or
 
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//modify it under the terms of the GNU General Public License
 
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//as published by the Free Software Foundation; either version 2
 
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//of the License, or (at your option) any later version.
 
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//
 
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//This program 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 this program; if not, write to the Free Software
 
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//Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
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#include <QtGui/QDialog>
 
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#include <QtGui/QAction>
 
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#include <QtGui/QLabel>
 
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#include <QtGui/QTextBrowser>
 
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#include <QtGui/QCheckBox>
 
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#include <QtGui/QPushButton>
 
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#include <QtGui/QVBoxLayout>
 
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#include <QtGui/QHBoxLayout>
 
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#include <QtCore/QDir>
 
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#include <QtCore/QFile>
 
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#include <QtCore/QTextStream>
 
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#include <QtCore/QSettings>
 
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#include <QtPlugin>
 
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#include "tips.h"
 
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#include "../../sources/gui/const.h"
 
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TipsDialog::TipsDialog(QWidget *parent) {
 
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        QFile file(":/resources/tips.txt");
 
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        file.open(QIODevice::ReadOnly);
 
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        QTextStream stream(&file);
 
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        QString line;
 
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        int emptyLinesInRow = 0;
 
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        QString currentTipText;
 
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        while (!stream.atEnd()) {
 
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                line = stream.readLine();
 
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                if (line.isEmpty())
 
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                        emptyLinesInRow++;
 
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                else
 
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                        emptyLinesInRow = 0;
 
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                currentTipText += line;
 
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                if (emptyLinesInRow == 2 || (!currentTipText.isEmpty() && stream.atEnd()))
 
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                        if (!currentTipText.isEmpty()) {
 
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                                tips.append(new Tip(currentTipText,tips.count()));
 
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                                currentTipText.clear();
 
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                        }
 
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        }
 
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        mainWidget = new QDialog(parent);
 
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        textBrowser = new QTextBrowser;
 
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        showOnStartup = new QCheckBox(tr("Show tips on startup"));
 
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        nextButton = new QPushButton;
 
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        nextButton->setIcon(QIcon(":/resources/next.png"));
 
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        nextButton->setFlat(true);
 
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        nextButton->setEnabled(tips.count() > 0);
 
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        connect(nextButton,SIGNAL(clicked()),this,SLOT(next()));
 
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        backButton = new QPushButton;
 
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        backButton->setIcon(QIcon(":/resources/previous.png"));
 
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        backButton->setFlat(true);
 
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        backButton->setEnabled(false);
 
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        connect(backButton,SIGNAL(clicked()),textBrowser,SLOT(backward()));
 
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        connect(textBrowser,SIGNAL(backwardAvailable(bool)),backButton,SLOT(setEnabled(bool)));
 
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        closeButton = new QPushButton;
 
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        closeButton->setIcon(QIcon(":/resources/close.png"));
 
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        closeButton->setFlat(true);
 
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        connect(closeButton,SIGNAL(clicked()),mainWidget,SLOT(hide()));
 
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        QLabel *headerLabel = new QLabel("<font size='4'><center><b>" + tr("Did you know?") + "</b></center></font>");
 
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        QAction *action = new QAction(this);
 
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        action->setText(tr("Tips of the day"));
 
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        action->setIcon(QIcon(":/resources/main.png"));
 
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        connect(action,SIGNAL(triggered()),this,SLOT(show()));
 
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        actions.append(action);
 
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        QHBoxLayout *buttonLayout = new QHBoxLayout;
 
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        buttonLayout->addWidget(showOnStartup);
 
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        buttonLayout->addStretch();
 
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        buttonLayout->addWidget(backButton);
 
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        buttonLayout->addWidget(nextButton);
 
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        buttonLayout->addWidget(closeButton);
 
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        buttonLayout->setMargin(0);
 
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        QVBoxLayout *mainLayout = new QVBoxLayout;
 
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        mainLayout->addWidget(headerLabel);
 
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        mainLayout->addWidget(textBrowser);
 
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        mainLayout->addLayout(buttonLayout);
 
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        mainWidget->setLayout(mainLayout);
 
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        mainWidget->setWindowTitle(tr("Tips of the day"));
 
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        mainWidget->setWindowIcon(QIcon(":/resources/main.png"));
 
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        loadSettings();
 
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}
 
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TipsDialog::~TipsDialog() {
 
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        foreach (QAction *action,actions)
 
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                delete action;
 
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        delete textBrowser;
 
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        delete showOnStartup;
 
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        delete nextButton;
 
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        delete backButton;
 
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        delete closeButton;
 
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        delete mainWidget;
 
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}
 
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void TipsDialog::setParent(QObject *parent) {
 
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        QSettings settings(ORGANIZATION,PROGRAM_NAME);
 
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        if (settings.value("Tips/ShowOnStartup",true).toBool())
 
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                connect(parent,SIGNAL(started()),this,SLOT(show()));
 
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        connect(parent,SIGNAL(finished()),this,SLOT(saveSettings()));
 
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}
 
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const QString TipsDialog::pluginName() const {
 
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        return tr("Tips of the day");
 
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}
 
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const QString TipsDialog::pluginDescription() const {
 
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        return tr("You can read different advices for usage of MountManager and information about mounting in Linux.");
 
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}
 
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QDialog* TipsDialog::dialog() const {
 
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        return mainWidget;
 
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}
 
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QDockWidget* TipsDialog::dockWidget() const {
 
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        return 0;
 
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}
 
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QMenu* TipsDialog::menu() const {
 
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        return 0;
 
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}
 
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QToolBar* TipsDialog::toolBar() const {
 
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        return 0;
 
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}
 
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Actions TipsDialog::menuActions() const {
 
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        return actions;
 
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}
 
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int TipsDialog::randomIndex() {
 
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        if (watchedTipsIndexes.count() == tips.count())
 
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                watchedTipsIndexes.clear();
 
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        int randomNumber = (int)(double(tips.count())*rand()/(RAND_MAX+1.0));
 
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        while (watchedTipsIndexes.contains(randomNumber))
 
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                randomNumber = (int)(double(tips.count())*rand()/(RAND_MAX+1.0));
 
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        return randomNumber;
 
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}
 
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void TipsDialog::show() {
 
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        next();
 
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        mainWidget->show();
 
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}
 
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void TipsDialog::next() {
 
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        int index = randomIndex();
 
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        watchedTipsIndexes.append(index);
 
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        textBrowser->setHtml(tips[index]->tipContent);
 
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}
 
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void TipsDialog::saveSettings() {
 
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        QSettings settings(ORGANIZATION,PROGRAM_NAME);
 
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        settings.setValue("Tips/ShowOnStartup",showOnStartup->isChecked());
 
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        settings.setValue("Tips/Size",mainWidget->size());
 
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}
 
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void TipsDialog::loadSettings() {
 
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        QSettings settings(ORGANIZATION,PROGRAM_NAME);
 
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        showOnStartup->setChecked(settings.value("Tips/ShowOnStartup",true).toBool());
 
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        mainWidget->resize(settings.value("Tips/Size",QSize(450,300)).toSize());
 
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}
 
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Q_EXPORT_PLUGIN2(tipsplugin,TipsDialog)