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Allow deferred evaluation when creating custom recording rules.
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When creating a custom rule by choosing "Custom Edit" for a program,
allow the use of variables such as "{TITLE}" and "{STARTTIME}".  The
variables are replaced with actual values from the program when the
rule is saved.  This allows storing sample searches for future re-use
that will automatically adapt to the new program.  Press "EDIT" to
toggle between immediate evaluation (the previous and default
behavior) and deferred evaluation.

This change is primarily from used mmm1976, with trivial changes by
me.

Fixes #10734
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@gigem
gigem committed May 21, 2012
1 parent 0d69c75 commit f38e299
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Showing 2 changed files with 96 additions and 35 deletions.
129 changes: 94 additions & 35 deletions mythtv/programs/mythfrontend/customedit.cpp
View file
Expand Up @@ -35,6 +35,7 @@ CustomEdit::CustomEdit(MythScreenStack *parent, ProgramInfo *pginfo)
m_baseTitle.remove(QRegExp(" \\(.*\\)$"));

m_maxex = 0;
m_evaluate = true;
m_seSuffix = QString(" (%1)").arg(tr("stored search"));
m_exSuffix = QString(" (%1)").arg(tr("stored example"));

Expand Down Expand Up @@ -150,16 +151,81 @@ void CustomEdit::loadData(void)
textChanged();
}

void CustomEdit::loadClauses()
QString CustomEdit::evaluate(QString clause)
{
QString quoteTitle = m_baseTitle;
quoteTitle.replace("\'","\'\'");
int s0=0;
int e0=0;

while (1) {
s0 = clause.indexOf (QRegExp("\\{[A-Z]+\\}"), e0);

if (s0 < 0)
break;

e0 = clause.indexOf ("}", s0);

QString mid = clause.mid(s0 + 1, e0 - s0 - 1);
QString repl = "";

if (!mid.compare("TITLE")) {
repl = m_pginfo->GetTitle();
repl.replace("\'","\'\'");
} else if (!mid.compare("SUBTITLE")) {
repl = m_pginfo->GetSubtitle();
repl.replace("\'","\'\'");
} else if (!mid.compare("DESCR")) {
repl = m_pginfo->GetDescription();
repl.replace("\'","\'\'");
} else if (!mid.compare("SERIESID")) {
repl = QString("%1").arg(m_pginfo->GetSeriesID());
} else if (!mid.compare("PROGID")) {
repl = m_pginfo->GetProgramID();
} else if (!mid.compare("SEASON")) {
repl = QString::number(m_pginfo->GetSeason());
} else if (!mid.compare("EPISODE")) {
repl = QString::number(m_pginfo->GetEpisode());
} else if (!mid.compare("CATEGORY")) {
repl = m_pginfo->GetCategory();
} else if (!mid.compare("CHANID")) {
repl = QString("%1").arg(m_pginfo->GetChanID());
} else if (!mid.compare("CHANNUM")) {
repl = m_pginfo->GetChanNum();
} else if (!mid.compare("SCHEDID")) {
repl = m_pginfo->GetChannelSchedulingID();
} else if (!mid.compare("CHANNAME")) {
repl = m_pginfo->GetChannelName();
} else if (!mid.compare("DAYNAME")) {
repl = m_pginfo->GetScheduledStartTime().toString("dddd");
} else if (!mid.compare("STARTDATE")) {
repl = m_pginfo->GetScheduledStartTime().toString("yyyy-mm-dd hh:mm:ss");
} else if (!mid.compare("ENDDATE")) {
repl = m_pginfo->GetScheduledEndTime().toString("yyyy-mm-dd hh:mm:ss");
} else if (!mid.compare("STARTTIME")) {
repl = m_pginfo->GetScheduledStartTime().toString("hh:mm");
} else if (!mid.compare("ENDTIME")) {
repl = m_pginfo->GetScheduledEndTime().toString("hh:mm");
} else if (!mid.compare("STARTSEC")) {
QDateTime date = m_pginfo->GetScheduledStartTime();
QDateTime midnight = QDateTime(date.date());
repl = QString("%1").arg(midnight.secsTo(date));
} else if (!mid.compare("ENDSEC")) {
QDateTime date = m_pginfo->GetScheduledEndTime();
QDateTime midnight = QDateTime(date.date());
repl = QString("%1").arg(midnight.secsTo(date));
}
// unknown tags are simply removed
clause.replace(s0, e0 - s0 + 1, repl);
}
return clause;
}

void CustomEdit::loadClauses()
{
CustomRuleInfo rule;

rule.title = tr("Match an exact title");
if (!m_baseTitle.isEmpty())
rule.description = QString("program.title = '%1' ").arg(quoteTitle);
rule.description = QString("program.title = '{TITLE}' ");
else
rule.description = "program.title = 'Nova' ";
new MythUIButtonListItem(m_clauseList, rule.title,
Expand All @@ -169,17 +235,15 @@ void CustomEdit::loadClauses()
{
rule.title = tr("Match this series");
rule.subtitle.clear();
rule.description = QString("program.seriesid = '%1' ")
.arg(m_pginfo->GetSeriesID());
rule.description = QString("program.seriesid = '{SERIESID}' ");
new MythUIButtonListItem(m_clauseList, rule.title,
qVariantFromValue(rule));
}

rule.title = tr("Match words in the title");
rule.subtitle.clear();
if (!m_pginfo->GetTitle().isEmpty())
rule.description = QString("program.title LIKE '%%1%' ")
.arg(quoteTitle);
rule.description = QString("program.title LIKE '%{TITLE}%' ");
else
rule.description = "program.title LIKE 'CSI: %' ";
new MythUIButtonListItem(m_clauseList, rule.title,
Expand All @@ -188,12 +252,7 @@ void CustomEdit::loadClauses()
rule.title = tr("Match words in the subtitle");
rule.subtitle.clear();
if (!m_pginfo->GetSubtitle().isEmpty())
{
QString subt = m_pginfo->GetSubtitle();
subt.replace("\'","\'\'");
rule.description = QString("program.subtitle LIKE '%%1%' ")
.arg(subt);
}
rule.description = QString("program.subtitle LIKE '%{SUBTITLE}%' ");
else
rule.description = "program.subtitle LIKE '%Las Vegas%' ";
new MythUIButtonListItem(m_clauseList, rule.title,
Expand All @@ -203,17 +262,14 @@ void CustomEdit::loadClauses()
{
rule.title = tr("Match this episode");
rule.subtitle.clear();
rule.description = QString("program.programid = '%1' ")
.arg(m_pginfo->GetProgramID());
rule.description = QString("program.programid = '{PROGID}' ");
}
else if (!m_pginfo->GetSubtitle().isEmpty())
{
rule.title = tr("Match this episode");
rule.subtitle.clear();
rule.description = QString("program.subtitle = '%1' \n"
"AND program.description = '%2' ")
.arg(m_pginfo->GetSubtitle().replace("\'","\'\'"))
.arg(m_pginfo->GetDescription().replace("\'","\'\'"));
rule.description = QString("program.subtitle = '{SUBTITLE}' \n"
"AND program.description = '{DESCR}' ");
}
else
{
Expand Down Expand Up @@ -259,8 +315,7 @@ void CustomEdit::loadClauses()

rule.title = tr("Anytime on a specific day of the week");
rule.subtitle.clear();
rule.description = QString("DAYNAME(program.starttime) = '%1' ")
.arg(m_pginfo->GetScheduledStartTime().toString("dddd"));
rule.description = QString("DAYNAME(program.starttime) = '{DAYNAME}' ");
new MythUIButtonListItem(m_clauseList, rule.title,
qVariantFromValue(rule));

Expand Down Expand Up @@ -293,8 +348,7 @@ void CustomEdit::loadClauses()
rule.title = tr("Only on a specific station");
rule.subtitle.clear();
if (!m_pginfo->GetChannelSchedulingID().isEmpty())
rule.description = QString("channel.callsign = '%1' ")
.arg(m_pginfo->GetChannelSchedulingID());
rule.description = QString("channel.callsign = '{SCHEDID}' ");
else
rule.description = "channel.callsign = 'ESPN' ";
new MythUIButtonListItem(m_clauseList, rule.title,
Expand Down Expand Up @@ -366,8 +420,7 @@ void CustomEdit::loadClauses()
rule.title = tr("Limit by category");
rule.subtitle.clear();
if (!m_pginfo->GetCategory().isEmpty())
rule.description = QString("program.category = '%1' ")
.arg(m_pginfo->GetCategory());
rule.description = QString("program.category = '{CATEGORY}' ");
else
rule.description = "program.category = 'Reality' ";
new MythUIButtonListItem(m_clauseList, rule.title,
Expand All @@ -378,8 +431,7 @@ void CustomEdit::loadClauses()
"program.chanid = programgenres.chanid AND "
"program.starttime = programgenres.starttime ";
if (!m_pginfo->GetCategory().isEmpty())
rule.description = QString("programgenres.genre = '%1' ")
.arg(m_pginfo->GetCategory());
rule.description = QString("programgenres.genre = '{CATEGORY}' ");
else
rule.description = "programgenres.genre = 'Reality' ";
new MythUIButtonListItem(m_clauseList, rule.title,
Expand Down Expand Up @@ -545,7 +597,7 @@ void CustomEdit::clauseChanged(MythUIButtonListItem *item)

CustomRuleInfo rule = qVariantValue<CustomRuleInfo>(item->GetData());

QString msg = rule.description;
QString msg = (m_evaluate) ? evaluate(rule.description) : rule.description;
msg.replace('\n', ' ');
msg.replace(QRegExp(" [ ]*"), " ");
msg = QString("\"%1\"").arg(msg);
Expand All @@ -570,7 +622,8 @@ void CustomEdit::clauseClicked(MythUIButtonListItem *item)

if (desc.contains(QRegExp("\\S")))
clause = "AND ";
clause += rule.description;
clause += (m_evaluate) ? evaluate(rule.description) : rule.description;

m_descriptionEdit->SetText(desc.append(clause));

QString sub = m_subtitleEdit->GetText();
Expand All @@ -586,7 +639,7 @@ void CustomEdit::testClicked(void)

MythScreenStack *mainStack = GetMythMainWindow()->GetMainStack();
ProgLister *pl = new ProgLister(mainStack, plSQLSearch,
m_descriptionEdit->GetText(),
evaluate(m_descriptionEdit->GetText()),
m_subtitleEdit->GetText());
if (pl->Create())
{
Expand All @@ -610,13 +663,13 @@ void CustomEdit::recordClicked(void)
if (cur_recid > 0)
{
record->ModifyPowerSearchByID(cur_recid, m_titleEdit->GetText(),
m_descriptionEdit->GetText(),
evaluate(m_descriptionEdit->GetText()),
m_subtitleEdit->GetText());
}
else
{
record->LoadBySearch(kPowerSearch, m_titleEdit->GetText(),
m_descriptionEdit->GetText(),
evaluate(m_descriptionEdit->GetText()),
m_subtitleEdit->GetText());
}

Expand Down Expand Up @@ -700,7 +753,7 @@ bool CustomEdit::checkSyntax(void)
bool ret = false;
QString msg;

QString desc = m_descriptionEdit->GetText();
QString desc = evaluate(m_descriptionEdit->GetText());
QString from = m_subtitleEdit->GetText();
if (desc.contains(QRegExp("^\\s*AND\\s", Qt::CaseInsensitive)))
{
Expand Down Expand Up @@ -867,7 +920,13 @@ bool CustomEdit::keyPressEvent(QKeyEvent *event)
// else if (GetFocusWidget() == m_ruleList)
// deleteRecordingRule();
}
else
else if (action == "EDIT")
{
// toggle evaluated/unevaluated sample view
m_evaluate = !m_evaluate;
MythUIButtonListItem* item = m_clauseList->GetItemCurrent();
clauseChanged(item);
} else
handled = false;
}

Expand Down
2 changes: 2 additions & 0 deletions mythtv/programs/mythfrontend/customedit.h
View file
Expand Up @@ -38,11 +38,13 @@ class CustomEdit : public MythScreenType
bool checkSyntax(void);
void storeRule(bool is_search, bool is_new);
void deleteRule(void);
QString evaluate(QString clause);

ProgramInfo *m_pginfo;
QString m_baseTitle;

int m_maxex;
bool m_evaluate;

QString m_seSuffix;
QString m_exSuffix;
Expand Down

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