rssguard/src/gui/formstandardfeeddetails.cpp
2014-03-27 08:40:23 +01:00

462 lines
20 KiB
C++

// This file is part of RSS Guard.
//
// Copyright (C) 2011-2014 by Martin Rotter <rotter.martinos@gmail.com>
//
// RSS Guard 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 3 of the License, or
// (at your option) any later version.
//
// RSS Guard is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with RSS Guard. If not, see <http://www.gnu.org/licenses/>.
#include "gui/formstandardfeeddetails.h"
#include "definitions/definitions.h"
#include "core/feedsmodel.h"
#include "core/feedsmodelrootitem.h"
#include "core/feedsmodelcategory.h"
#include "core/feedsmodelfeed.h"
#include "miscellaneous/textfactory.h"
#include "miscellaneous/iconthemefactory.h"
#include "network-web/networkfactory.h"
#include "gui/baselineedit.h"
#include "gui/messagebox.h"
#include "gui/systemtrayicon.h"
#include <QPushButton>
#include <QTextCodec>
#include <QFileDialog>
#include <QMenu>
#include <QPair>
#include <QNetworkReply>
FormStandardFeedDetails::FormStandardFeedDetails(FeedsModel *model, QWidget *parent)
: QDialog(parent),
m_editableFeed(NULL),
m_feedsModel(model) {
initialize();
createConnections();
// Initialize that shit.
onTitleChanged(QString());
onDescriptionChanged(QString());
onUrlChanged(QString());
onUsernameChanged(QString());
onPasswordChanged(QString());
}
FormStandardFeedDetails::~FormStandardFeedDetails() {
delete m_ui;
}
int FormStandardFeedDetails::exec(FeedsModelFeed *input_feed) {
// Load categories.
loadCategories(m_feedsModel->allCategories().values(),
m_feedsModel->rootItem());
if (input_feed == NULL) {
// User is adding new category.
setWindowTitle(tr("Add new standard feed"));
// Make sure that "default" icon is used as the default option for new
// feed.
m_actionUseDefaultIcon->trigger();
int default_encoding_index = m_ui->m_cmbEncoding->findText(DEFAULT_FEED_ENCODING);
if (default_encoding_index >= 0) {
m_ui->m_cmbEncoding->setCurrentIndex(default_encoding_index);
}
}
else {
// User is editing existing category.
setWindowTitle(tr("Edit existing standard feed"));
setEditableFeed(input_feed);
}
// Run the dialog.
return QDialog::exec();
}
void FormStandardFeedDetails::onTitleChanged(const QString &new_title){
if (new_title.simplified().size() >= MIN_CATEGORY_NAME_LENGTH) {
m_ui->m_txtTitle->setStatus(LineEditWithStatus::Ok, tr("Feed name is ok."));
}
else {
m_ui->m_txtTitle->setStatus(LineEditWithStatus::Error, tr("Feed name is too short."));
}
checkOkButtonEnabled();
}
void FormStandardFeedDetails::onDescriptionChanged(const QString &new_description) {
if (new_description.simplified().isEmpty()) {
m_ui->m_txtDescription->setStatus(LineEditWithStatus::Warning, tr("Description is empty."));
}
else {
m_ui->m_txtDescription->setStatus(LineEditWithStatus::Ok, tr("The description os ok."));
}
}
void FormStandardFeedDetails::onUrlChanged(const QString &new_url) {
if (QRegExp(URL_REGEXP).exactMatch(new_url)) {
// New url is well-formed.
m_ui->m_txtUrl->setStatus(LineEditWithStatus::Ok, tr("The url is ok."));
}
else if (!new_url.simplified().isEmpty()) {
// New url is not well-formed but is not empty on the other hand.
m_ui->m_txtUrl->setStatus(LineEditWithStatus::Warning, tr("The url does not meet standard pattern. Does your url start with \"http://\" or \"https://\" prefix."));
}
else {
// New url is empty.
m_ui->m_txtUrl->setStatus(LineEditWithStatus::Error, tr("The url is empty."));
}
checkOkButtonEnabled();
}
void FormStandardFeedDetails::onUsernameChanged(const QString &new_username) {
bool is_username_ok = !m_ui->m_gbAuthentication->isChecked() || !new_username.simplified().isEmpty();
m_ui->m_txtUsername->setStatus(is_username_ok ?
LineEditWithStatus::Ok :
LineEditWithStatus::Warning,
is_username_ok ?
tr("Username is ok or it is not needed.") :
tr("Username is empty."));
}
void FormStandardFeedDetails::onPasswordChanged(const QString &new_password) {
bool is_password_ok = !m_ui->m_gbAuthentication->isChecked() || !new_password.simplified().isEmpty();
m_ui->m_txtPassword->setStatus(is_password_ok ?
LineEditWithStatus::Ok :
LineEditWithStatus::Warning,
is_password_ok ?
tr("Password is ok or it is not needed.") :
tr("Password is empty."));
}
void FormStandardFeedDetails::onAuthenticationSwitched() {
onUsernameChanged(m_ui->m_txtUsername->lineEdit()->text());
onPasswordChanged(m_ui->m_txtPassword->lineEdit()->text());
}
void FormStandardFeedDetails::onAutoUpdateTypeChanged(int new_index) {
FeedsModelFeed::AutoUpdateType auto_update_type = static_cast<FeedsModelFeed::AutoUpdateType>(m_ui->m_cmbAutoUpdateType->itemData(new_index).toInt());
switch (auto_update_type) {
case FeedsModelFeed::DontAutoUpdate:
case FeedsModelFeed::DefaultAutoUpdate:
m_ui->m_spinAutoUpdateInterval->setEnabled(false);
break;
case FeedsModelFeed::SpecificAutoUpdate:
default:
m_ui->m_spinAutoUpdateInterval->setEnabled(true);
}
}
void FormStandardFeedDetails::checkOkButtonEnabled() {
LineEditWithStatus::StatusType title_status = m_ui->m_txtTitle->status();
LineEditWithStatus::StatusType url_status = m_ui->m_txtUrl->status();
m_ui->m_buttonBox->button(QDialogButtonBox::Ok)->setEnabled(title_status == LineEditWithStatus::Ok &&
(url_status == LineEditWithStatus::Ok ||
url_status == LineEditWithStatus::Warning));
}
void FormStandardFeedDetails::onNoIconSelected() {
m_ui->m_btnIcon->setIcon(QIcon());
}
void FormStandardFeedDetails::onLoadIconFromFile() {
QFileDialog dialog(this, tr("Select icon file for the feed"),
QDir::homePath(), tr("Images (*.bmp *.jpg *.jpeg *.png *.svg *.tga)"));
dialog.setFileMode(QFileDialog::ExistingFile);
dialog.setWindowIcon(IconThemeFactory::instance()->fromTheme("image-generic"));
dialog.setOptions(QFileDialog::DontUseNativeDialog | QFileDialog::ReadOnly);
dialog.setViewMode(QFileDialog::Detail);
dialog.setLabelText(QFileDialog::Accept, tr("Select icon"));
dialog.setLabelText(QFileDialog::Reject, tr("Cancel"));
//: Label for field with icon file name textbox for selection dialog.
dialog.setLabelText(QFileDialog::LookIn, tr("Look in:"));
dialog.setLabelText(QFileDialog::FileName, tr("Icon name:"));
dialog.setLabelText(QFileDialog::FileType, tr("Icon type:"));
if (dialog.exec() == QDialog::Accepted) {
m_ui->m_btnIcon->setIcon(QIcon(dialog.selectedFiles().value(0)));
}
}
void FormStandardFeedDetails::onUseDefaultIcon() {
m_ui->m_btnIcon->setIcon(IconThemeFactory::instance()->fromTheme("folder-feed"));
}
void FormStandardFeedDetails::apply() {
FeedsModelRootItem *parent = static_cast<FeedsModelRootItem*>(m_ui->m_cmbParentCategory->itemData(m_ui->m_cmbParentCategory->currentIndex()).value<void*>());
FeedsModelFeed::Type type = static_cast<FeedsModelFeed::Type>(m_ui->m_cmbType->itemData(m_ui->m_cmbType->currentIndex()).value<int>());
FeedsModelFeed *new_feed = new FeedsModelFeed();
// Setup data for new_feed.
new_feed->setTitle(m_ui->m_txtTitle->lineEdit()->text());
new_feed->setCreationDate(QDateTime::currentDateTime());
new_feed->setDescription(m_ui->m_txtDescription->lineEdit()->text());
new_feed->setIcon(m_ui->m_btnIcon->icon());
new_feed->setEncoding(m_ui->m_cmbEncoding->currentText());
new_feed->setType(type);
new_feed->setUrl(m_ui->m_txtUrl->lineEdit()->text());
new_feed->setPasswordProtected(m_ui->m_gbAuthentication->isChecked());
new_feed->setUsername(m_ui->m_txtUsername->lineEdit()->text());
new_feed->setPassword(m_ui->m_txtPassword->lineEdit()->text());
new_feed->setAutoUpdateType(static_cast<FeedsModelFeed::AutoUpdateType>(m_ui->m_cmbAutoUpdateType->itemData(m_ui->m_cmbAutoUpdateType->currentIndex()).toInt()));
new_feed->setAutoUpdateInitialInterval(m_ui->m_spinAutoUpdateInterval->value());
new_feed->setParent(parent);
if (m_editableFeed == NULL) {
// Add the feed.
if (m_feedsModel->addFeed(new_feed, parent)) {
accept();
}
else {
if (SystemTrayIcon::isSystemTrayActivated()) {
SystemTrayIcon::instance()->showMessage(tr("Cannot add feed"),
tr("Feed was not added due to error."),
QSystemTrayIcon::Critical);
}
else {
MessageBox::show(this,
QMessageBox::Critical,
tr("Cannot add feed"),
tr("Feed was not added due to error."));
}
}
}
else {
// Edit the feed.
if (m_feedsModel->editFeed(m_editableFeed, new_feed)) {
accept();
}
else {
if (SystemTrayIcon::isSystemTrayActivated()) {
SystemTrayIcon::instance()->showMessage(tr("Cannot edit feed"),
tr("Feed was not edited due to error."),
QSystemTrayIcon::Critical);
}
else {
MessageBox::show(this,
QMessageBox::Critical,
tr("Cannot edit feed"),
tr("Feed was not edited due to error."));
}
}
}
}
void FormStandardFeedDetails::guessFeed() {
QPair<FeedsModelFeed*, QNetworkReply::NetworkError> result = FeedsModelFeed::guessFeed(m_ui->m_txtUrl->lineEdit()->text(),
m_ui->m_txtUsername->lineEdit()->text(),
m_ui->m_txtPassword->lineEdit()->text());
if (result.first != NULL) {
// Icon or whole feed was guessed.
m_ui->m_btnIcon->setIcon(result.first->icon());
m_ui->m_txtTitle->lineEdit()->setText(result.first->title());
m_ui->m_txtDescription->lineEdit()->setText(result.first->description());
m_ui->m_cmbType->setCurrentIndex(m_ui->m_cmbType->findData(QVariant::fromValue((int) result.first->type())));
int encoding_index = m_ui->m_cmbEncoding->findText(result.first->encoding(), Qt::MatchFixedString);
if (encoding_index >= 0) {
m_ui->m_cmbEncoding->setCurrentIndex(encoding_index);
}
else {
m_ui->m_cmbEncoding->setCurrentIndex(m_ui->m_cmbEncoding->findText(DEFAULT_FEED_ENCODING,
Qt::MatchFixedString));
}
if (result.second == QNetworkReply::NoError) {
m_ui->m_lblFetchMetadata->setStatus(WidgetWithStatus::Ok,
tr("All metadata fetched successfully."),
tr("Feed and icon metadata fetched."));
}
else {
m_ui->m_lblFetchMetadata->setStatus(WidgetWithStatus::Warning,
tr("Result: %1.").arg(NetworkFactory::networkErrorText(result.second)),
tr("Feed or icon metatada not fetched."));
}
// Remove temporary feed object.
delete result.first;
}
else {
// No feed guessed, even no icon available.
m_ui->m_lblFetchMetadata->setStatus(WidgetWithStatus::Error,
tr("Error: %1.").arg(NetworkFactory::networkErrorText(result.second)),
tr("No metadata fetched."));
}
}
void FormStandardFeedDetails::createConnections() {
// General connections.
connect(m_ui->m_buttonBox, SIGNAL(accepted()),
this, SLOT(apply()));
connect(m_ui->m_txtTitle->lineEdit(), SIGNAL(textChanged(QString)),
this, SLOT(onTitleChanged(QString)));
connect(m_ui->m_txtDescription->lineEdit(), SIGNAL(textChanged(QString)),
this, SLOT(onDescriptionChanged(QString)));
connect(m_ui->m_txtUrl->lineEdit(), SIGNAL(textChanged(QString)),
this, SLOT(onUrlChanged(QString)));
connect(m_ui->m_txtUsername->lineEdit(), SIGNAL(textChanged(QString)),
this, SLOT(onUsernameChanged(QString)));
connect(m_ui->m_txtPassword->lineEdit(), SIGNAL(textChanged(QString)),
this, SLOT(onPasswordChanged(QString)));
connect(m_ui->m_gbAuthentication, SIGNAL(toggled(bool)),
this, SLOT(onAuthenticationSwitched()));
connect(m_ui->m_cmbAutoUpdateType, SIGNAL(currentIndexChanged(int)),
this, SLOT(onAutoUpdateTypeChanged(int)));
connect(m_ui->m_btnFetchMetadata, SIGNAL(clicked()),
this, SLOT(guessFeed()));
// Icon connections.
connect(m_actionLoadIconFromFile, SIGNAL(triggered()), this, SLOT(onLoadIconFromFile()));
connect(m_actionNoIcon, SIGNAL(triggered()), this, SLOT(onNoIconSelected()));
connect(m_actionUseDefaultIcon, SIGNAL(triggered()), this, SLOT(onUseDefaultIcon()));
}
void FormStandardFeedDetails::setEditableFeed(FeedsModelFeed *editable_feed) {
m_editableFeed = editable_feed;
m_ui->m_cmbParentCategory->setCurrentIndex(m_ui->m_cmbParentCategory->findData(QVariant::fromValue((void*) editable_feed->parent())));
m_ui->m_txtTitle->lineEdit()->setText(editable_feed->title());
m_ui->m_txtDescription->lineEdit()->setText(editable_feed->description());
m_ui->m_btnIcon->setIcon(editable_feed->icon());
m_ui->m_cmbType->setCurrentIndex(m_ui->m_cmbType->findData(QVariant::fromValue((int) editable_feed->type())));
m_ui->m_cmbEncoding->setCurrentIndex(m_ui->m_cmbEncoding->findData(editable_feed->encoding(), Qt::DisplayRole));
m_ui->m_gbAuthentication->setChecked(editable_feed->passwordProtected());
m_ui->m_txtUsername->lineEdit()->setText(editable_feed->username());
m_ui->m_txtPassword->lineEdit()->setText(editable_feed->password());
m_ui->m_txtUrl->lineEdit()->setText(editable_feed->url());
m_ui->m_cmbAutoUpdateType->setCurrentIndex(m_ui->m_cmbAutoUpdateType->findData(QVariant::fromValue((int) editable_feed->autoUpdateType())));
m_ui->m_spinAutoUpdateInterval->setValue(editable_feed->autoUpdateInitialInterval());
}
void FormStandardFeedDetails::initialize() {
m_ui = new Ui::FormStandardFeedDetails();
m_ui->setupUi(this);
// Set flags and attributes.
setWindowFlags(Qt::MSWindowsFixedSizeDialogHint | Qt::Dialog);
setWindowIcon(IconThemeFactory::instance()->fromTheme("folder-feed"));
// Setup button box.
m_ui->m_buttonBox->button(QDialogButtonBox::Ok)->setEnabled(false);
// Set text boxes.
m_ui->m_txtTitle->lineEdit()->setPlaceholderText(tr("Feed title"));
m_ui->m_txtTitle->lineEdit()->setToolTip(tr("Set title for your feed."));
m_ui->m_txtDescription->lineEdit()->setPlaceholderText(tr("Feed description"));
m_ui->m_txtDescription->lineEdit()->setToolTip(tr("Set description for your feed."));
m_ui->m_txtUrl->lineEdit()->setPlaceholderText(tr("Full feed url including scheme"));
m_ui->m_txtUrl->lineEdit()->setToolTip(tr("Set url for your feed."));
m_ui->m_txtUsername->lineEdit()->setPlaceholderText(tr("Username"));
m_ui->m_txtUsername->lineEdit()->setToolTip(tr("Set username to access the feed."));
m_ui->m_txtPassword->lineEdit()->setPlaceholderText(tr("Password"));
m_ui->m_txtPassword->lineEdit()->setToolTip(tr("Set password to access the feed."));
#if !defined(Q_OS_WIN)
MessageBox::iconify(m_ui->m_buttonBox);
#endif
// Add standard feed types.
m_ui->m_cmbType->addItem(FeedsModelFeed::typeToString(FeedsModelFeed::Atom10), QVariant::fromValue((int) FeedsModelFeed::Atom10));
m_ui->m_cmbType->addItem(FeedsModelFeed::typeToString(FeedsModelFeed::Rdf), QVariant::fromValue((int) FeedsModelFeed::Rdf));
m_ui->m_cmbType->addItem(FeedsModelFeed::typeToString(FeedsModelFeed::Rss0X), QVariant::fromValue((int) FeedsModelFeed::Rss0X));
m_ui->m_cmbType->addItem(FeedsModelFeed::typeToString(FeedsModelFeed::Rss2X), QVariant::fromValue((int) FeedsModelFeed::Rss2X));
// Load available encodings.
QList<QByteArray> encodings = QTextCodec::availableCodecs();
QStringList encoded_encodings;
foreach (const QByteArray &encoding, encodings) {
encoded_encodings.append(encoding);
}
// Sort encodings and add them.
qSort(encoded_encodings.begin(), encoded_encodings.end(), TextFactory::isCaseInsensitiveLessThan);
m_ui->m_cmbEncoding->addItems(encoded_encodings);
// Setup menu & actions for icon selection.
m_iconMenu = new QMenu(tr("Icon selection"), this);
m_actionLoadIconFromFile = new QAction(IconThemeFactory::instance()->fromTheme("image-generic"),
tr("Load icon from file..."),
this);
m_actionNoIcon = new QAction(IconThemeFactory::instance()->fromTheme("dialog-cancel"),
tr("Do not use icon"),
this);
m_actionUseDefaultIcon = new QAction(IconThemeFactory::instance()->fromTheme("folder-feed"),
tr("Use default icon"),
this);
m_iconMenu->addAction(m_actionLoadIconFromFile);
m_iconMenu->addAction(m_actionUseDefaultIcon);
m_iconMenu->addAction(m_actionNoIcon);
m_ui->m_btnIcon->setMenu(m_iconMenu);
// Set feed metadata fetch label.
m_ui->m_lblFetchMetadata->setStatus(WidgetWithStatus::Information,
tr("No metadata fetched so far."),
tr("No metadata fetched so far."));
// Setup auto-update options.
m_ui->m_spinAutoUpdateInterval->setValue(DEFAULT_AUTO_UPDATE_INTERVAL);
m_ui->m_cmbAutoUpdateType->addItem(tr("Auto-update using global interval"), QVariant::fromValue((int) FeedsModelFeed::DefaultAutoUpdate));
m_ui->m_cmbAutoUpdateType->addItem(tr("Auto-update every"), QVariant::fromValue((int) FeedsModelFeed::SpecificAutoUpdate));
m_ui->m_cmbAutoUpdateType->addItem(tr("Do not auto-update at all"), QVariant::fromValue((int) FeedsModelFeed::DontAutoUpdate));
// Set tab order.
setTabOrder(m_ui->m_cmbParentCategory, m_ui->m_cmbType);
setTabOrder(m_ui->m_cmbType, m_ui->m_cmbEncoding);
setTabOrder(m_ui->m_cmbEncoding, m_ui->m_cmbAutoUpdateType);
setTabOrder(m_ui->m_cmbAutoUpdateType, m_ui->m_spinAutoUpdateInterval);
setTabOrder(m_ui->m_spinAutoUpdateInterval, m_ui->m_txtTitle->lineEdit());
setTabOrder(m_ui->m_txtTitle->lineEdit(), m_ui->m_txtDescription->lineEdit());
setTabOrder(m_ui->m_txtDescription->lineEdit(), m_ui->m_txtUrl->lineEdit());
setTabOrder(m_ui->m_txtUrl->lineEdit(), m_ui->m_btnFetchMetadata);
setTabOrder(m_ui->m_btnFetchMetadata, m_ui->m_btnIcon);
setTabOrder(m_ui->m_btnIcon, m_ui->m_gbAuthentication);
setTabOrder(m_ui->m_gbAuthentication, m_ui->m_txtUsername->lineEdit());
setTabOrder(m_ui->m_txtUsername->lineEdit(), m_ui->m_txtPassword->lineEdit());
m_ui->m_txtUrl->lineEdit()->setFocus(Qt::TabFocusReason);
}
void FormStandardFeedDetails::loadCategories(const QList<FeedsModelCategory*> categories,
FeedsModelRootItem *root_item) {
m_ui->m_cmbParentCategory->addItem(root_item->icon(),
root_item->title(),
QVariant::fromValue((void*) root_item));
foreach (FeedsModelCategory *category, categories) {
m_ui->m_cmbParentCategory->addItem(category->data(FDS_MODEL_TITLE_INDEX,
Qt::DecorationRole).value<QIcon>(),
category->title(),
QVariant::fromValue((void*) category));
}
}