bool CSmartPlaylist::Load(const CStdString &path)
{
TiXmlElement *root = OpenAndReadName(path);
if (!root)
return false;
// encoding:
CStdString encoding;
XMLUtils::GetEncoding(&m_xmlDoc, encoding);
TiXmlHandle match = ((TiXmlHandle)root->FirstChild("match")).FirstChild();
if (match.Node())
m_matchAllRules = strcmpi(match.Node()->Value(), "all") == 0;
// now the rules
TiXmlElement *rule = root->FirstChildElement("rule");
while (rule)
{
// format is:
// <rule field="Genre" operator="contains">parameter</rule>
const char *field = rule->Attribute("field");
const char *oper = rule->Attribute("operator");
TiXmlNode *parameter = rule->FirstChild();
if (field && oper)
{ // valid rule
CStdString utf8Parameter;
if (parameter)
{
if (encoding.IsEmpty()) // utf8
utf8Parameter = parameter->Value();
else
g_charsetConverter.stringCharsetToUtf8(encoding, parameter->Value(), utf8Parameter);
}
CSmartPlaylistRule rule;
rule.TranslateStrings(field, oper, utf8Parameter.c_str());
m_playlistRules.push_back(rule);
}
rule = rule->NextSiblingElement("rule");
}
// now any limits
// format is <limit>25</limit>
TiXmlHandle limit = ((TiXmlHandle)root->FirstChild("limit")).FirstChild();
if (limit.Node())
m_limit = atoi(limit.Node()->Value());
// and order
// format is <order direction="ascending">field</order>
TiXmlElement *order = root->FirstChildElement("order");
if (order && order->FirstChild())
{
const char *direction = order->Attribute("direction");
if (direction)
m_orderAscending = strcmpi(direction, "ascending") == 0;
m_orderField = CSmartPlaylistRule::TranslateField(order->FirstChild()->Value());
}
return true;
}
bool CSmartPlaylist::Load(const CVariant &obj)
{
if (!obj.isObject() ||
!obj.isMember("match") || !obj["match"].isString() ||
!obj.isMember("rules") || !obj["rules"].isArray())
return false;
// load the playlist type
if (obj.isMember("type") && obj["type"].isString())
m_playlistType = obj["type"].asString();
// backward compatibility:
if (m_playlistType == "music")
m_playlistType = "songs";
if (m_playlistType == "video")
m_playlistType = "musicvideos";
// load the playlist name
if (obj.isMember("name") && obj["name"].isString())
m_playlistName = obj["name"].asString();
m_matchAllRules = strcmpi(obj["match"].asString().c_str(), "all") == 0;
// now the rules
for (CVariant::const_iterator_array it = obj["rules"].begin_array(); it != obj["rules"].end_array(); it++)
{
CSmartPlaylistRule rule;
if (rule.Load(*it))
m_playlistRules.push_back(rule);
}
// now any limits
if (obj.isMember("limit") && (obj["limit"].isInteger() || obj["limit"].isUnsignedInteger()) && obj["limit"].asUnsignedInteger() > 0)
m_limit = (unsigned int)obj["limit"].asUnsignedInteger();
// and order
if (obj.isMember("order") && obj["order"].isMember("method") && obj["order"]["method"].isString())
{
if (obj["order"].isMember("direction") && obj["order"]["direction"].isString())
m_orderAscending = strcmpi(obj["order"]["direction"].asString().c_str(), "ascending") == 0;
m_orderField = CSmartPlaylistRule::TranslateOrder(obj["order"]["method"].asString().c_str());
}
return true;
}
std::vector<std::pair<std::string, int>> CGUIDialogSmartPlaylistRule::GetValidOperators(const CSmartPlaylistRule& rule)
{
std::vector< std::pair<std::string, int> > labels;
switch (rule.GetFieldType(rule.m_field))
{
case CDatabaseQueryRule::TEXT_FIELD:
// text fields - add the usual comparisons
labels.push_back(OperatorLabel(CDatabaseQueryRule::OPERATOR_EQUALS));
labels.push_back(OperatorLabel(CDatabaseQueryRule::OPERATOR_DOES_NOT_EQUAL));
labels.push_back(OperatorLabel(CDatabaseQueryRule::OPERATOR_CONTAINS));
labels.push_back(OperatorLabel(CDatabaseQueryRule::OPERATOR_DOES_NOT_CONTAIN));
labels.push_back(OperatorLabel(CDatabaseQueryRule::OPERATOR_STARTS_WITH));
labels.push_back(OperatorLabel(CDatabaseQueryRule::OPERATOR_ENDS_WITH));
break;
case CDatabaseQueryRule::REAL_FIELD:
case CDatabaseQueryRule::NUMERIC_FIELD:
case CDatabaseQueryRule::SECONDS_FIELD:
// numerical fields - less than greater than
labels.push_back(OperatorLabel(CDatabaseQueryRule::OPERATOR_EQUALS));
labels.push_back(OperatorLabel(CDatabaseQueryRule::OPERATOR_DOES_NOT_EQUAL));
labels.push_back(OperatorLabel(CDatabaseQueryRule::OPERATOR_GREATER_THAN));
labels.push_back(OperatorLabel(CDatabaseQueryRule::OPERATOR_LESS_THAN));
break;
case CDatabaseQueryRule::DATE_FIELD:
// date field
labels.push_back(OperatorLabel(CDatabaseQueryRule::OPERATOR_AFTER));
labels.push_back(OperatorLabel(CDatabaseQueryRule::OPERATOR_BEFORE));
labels.push_back(OperatorLabel(CDatabaseQueryRule::OPERATOR_IN_THE_LAST));
labels.push_back(OperatorLabel(CDatabaseQueryRule::OPERATOR_NOT_IN_THE_LAST));
break;
case CDatabaseQueryRule::PLAYLIST_FIELD:
CONTROL_ENABLE(CONTROL_BROWSE);
labels.push_back(OperatorLabel(CDatabaseQueryRule::OPERATOR_EQUALS));
labels.push_back(OperatorLabel(CDatabaseQueryRule::OPERATOR_DOES_NOT_EQUAL));
break;
case CDatabaseQueryRule::BOOLEAN_FIELD:
CONTROL_DISABLE(CONTROL_VALUE);
labels.push_back(OperatorLabel(CDatabaseQueryRule::OPERATOR_TRUE));
labels.push_back(OperatorLabel(CDatabaseQueryRule::OPERATOR_FALSE));
break;
case CDatabaseQueryRule::TEXTIN_FIELD:
labels.push_back(OperatorLabel(CDatabaseQueryRule::OPERATOR_EQUALS));
labels.push_back(OperatorLabel(CDatabaseQueryRule::OPERATOR_DOES_NOT_EQUAL));
break;
}
return labels;
}
bool CSmartPlaylist::LoadFromXML(TiXmlElement *root, const CStdString &encoding)
{
if (!root)
return false;
TiXmlHandle match = ((TiXmlHandle)root->FirstChild("match")).FirstChild();
if (match.Node())
m_matchAllRules = strcmpi(match.Node()->Value(), "all") == 0;
// now the rules
TiXmlElement *ruleElement = root->FirstChildElement("rule");
while (ruleElement)
{
CSmartPlaylistRule rule;
rule.Load(ruleElement, encoding);
m_playlistRules.push_back(rule);
ruleElement = ruleElement->NextSiblingElement("rule");
}
// now any limits
// format is <limit>25</limit>
TiXmlHandle limit = ((TiXmlHandle)root->FirstChild("limit")).FirstChild();
if (limit.Node())
m_limit = atoi(limit.Node()->Value());
// and order
// format is <order direction="ascending">field</order>
TiXmlElement *order = root->FirstChildElement("order");
if (order && order->FirstChild())
{
const char *direction = order->Attribute("direction");
if (direction)
m_orderAscending = strcmpi(direction, "ascending") == 0;
m_orderField = CSmartPlaylistRule::TranslateOrder(order->FirstChild()->Value());
}
return true;
}
