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Add regex help and validation (RSS downloader

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This commit is contained in:
Christophe Dumez 2011-04-18 15:56:22 +00:00
parent 44011c9cd9
commit 8bfbb98509
39 changed files with 1513 additions and 780 deletions
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67
src/rss/automatedrssdownloader.cpp
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@ -80,8 +80,12 @@ AutomatedRssDownloader::AutomatedRssDownloader(QWidget *parent) :
// Update matching articles when necessary
ok = connect(ui->lineContains, SIGNAL(textEdited(QString)), SLOT(updateMatchingArticles()));
Q_ASSERT(ok);
ok = connect(ui->lineContains, SIGNAL(textEdited(QString)), SLOT(updateMustLineValidity()));
Q_ASSERT(ok);
ok = connect(ui->lineNotContains, SIGNAL(textEdited(QString)), SLOT(updateMatchingArticles()));
Q_ASSERT(ok);
ok = connect(ui->lineNotContains, SIGNAL(textEdited(QString)), SLOT(updateMustNotLineValidity()));
Q_ASSERT(ok);
updateRuleDefinitionBox();
updateFeedList();
}
@ -212,6 +216,8 @@ void AutomatedRssDownloader::updateRuleDefinitionBox()
} else {
ui->comboLabel->setCurrentIndex(ui->comboLabel->findText(rule.label()));
}
updateMustLineValidity();
updateMustNotLineValidity();
} else {
// New rule
clearRuleDefinitionBox();
@ -237,6 +243,8 @@ void AutomatedRssDownloader::clearRuleDefinitionBox()
ui->comboLabel->clearEditText();
ui->checkRegex->setChecked(false);
updateFieldsToolTips(ui->checkRegex->isChecked());
updateMustLineValidity();
updateMustNotLineValidity();
}
RssDownloadRule AutomatedRssDownloader::getCurrentRule() const
@ -511,11 +519,64 @@ void AutomatedRssDownloader::updateFieldsToolTips(bool regex)
QString tip;
if(regex) {
tip = tr("Regex mode: use Perl-like regular expressions");
ui->lineContains->setToolTip(tip);
ui->lineNotContains->setToolTip(tip);
} else {
tip = tr("Wildcard mode: you can use:\n ? to match any single character.\n * to match zero or more of any characters.\n Whitespaces count as AND operators.");
tip = tr("Wildcard mode: you can use<ul><li>? to match any single character</li><li>* to match zero or more of any characters</li><li>Whitespaces count as AND operators</li></ul>");
ui->lineContains->setToolTip(tip);
tip = tr("Wildcard mode: you can use<ul><li>? to match any single character</li><li>* to match zero or more of any characters</li><li>| is used as OR operator</li></ul>");
ui->lineNotContains->setToolTip(tip);
}
}
void AutomatedRssDownloader::updateMustLineValidity()
{
const QString text = ui->lineContains->text();
bool valid = true;
QStringList tokens;
if(ui->checkRegex->isChecked())
tokens << text;
else
tokens << text.split(" ");
foreach(const QString &token, tokens) {
QRegExp reg(token, Qt::CaseInsensitive, ui->checkRegex->isChecked() ? QRegExp::RegExp : QRegExp::Wildcard);
if(!reg.isValid()) {
valid = false;
break;
}
}
if(valid) {
ui->lineContains->setStyleSheet("");
ui->lbl_must_stat->setPixmap(QPixmap());
} else {
ui->lineContains->setStyleSheet("QLineEdit { color: #ff0000; }");
ui->lbl_must_stat->setPixmap(IconProvider::instance()->getIcon("task-attention").pixmap(16, 16));
}
}
void AutomatedRssDownloader::updateMustNotLineValidity()
{
const QString text = ui->lineNotContains->text();
bool valid = true;
QStringList tokens;
if(ui->checkRegex->isChecked())
tokens << text;
else
tokens << text.split(QRegExp("[\\s|]"));
foreach(const QString &token, tokens) {
QRegExp reg(token, Qt::CaseInsensitive, ui->checkRegex->isChecked() ? QRegExp::RegExp : QRegExp::Wildcard);
if(!reg.isValid()) {
valid = false;
break;
}
}
if(valid) {
ui->lineNotContains->setStyleSheet("");
ui->lbl_mustnot_stat->setPixmap(QPixmap());
} else {
ui->lineNotContains->setStyleSheet("QLineEdit { color: #ff0000; }");
ui->lbl_mustnot_stat->setPixmap(IconProvider::instance()->getIcon("task-attention").pixmap(16, 16));
}
ui->lineContains->setToolTip(tip);
ui->lineNotContains->setToolTip(tip);
}