/*
	Copyright 2006-2020 The QElectroTech Team
	This file is part of QElectroTech.
	
	QElectroTech 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 2 of the License, or
	(at your option) any later version.
	
	QElectroTech 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 QElectroTech.  If not, see <http://www.gnu.org/licenses/>.
*/
#include "titleblockproperties.h"
#include "qet.h"
#include "qetapp.h"

/**
	Constructeur. Initialise un objet TitleBlockProperties avec tous les champs
	vides (date vide + useDate a UseDateValue).
*/
TitleBlockProperties::TitleBlockProperties() :
	date(),
	useDate(UseDateValue),
	display_at(Qt::BottomEdge),
	collection (QET::QetCollection::Common)
{
}

/**
	Destructeur
*/
TitleBlockProperties::~TitleBlockProperties() {
}

/**
	@param ip autre conteneur TitleBlockProperties
	@return true si ip et ce conteneur sont identiques, false sinon
*/
bool TitleBlockProperties::operator==(const TitleBlockProperties &ip) {
	return(
		ip.title == title &&\
		ip.author == author &&\
		ip.date == date &&\
		ip.filename == filename &&\
		ip.plant == plant &&\
		ip.locmach == locmach &&\
		ip.indexrev == indexrev &&\
		ip.version == version &&\
		ip.folio == folio &&\
		ip.auto_page_num == auto_page_num &&\
		ip.template_name == template_name &&\
		ip.context == context &&\
		ip.display_at == display_at &&\
		ip.collection == collection
	);
}

/**
	@param ip autre conteneur TitleBlockProperties
	@return false si ip et ce conteneur sont identiques, true sinon
*/
bool TitleBlockProperties::operator!=(const TitleBlockProperties &ip) {
	return(!(*this == ip));
}


/**
	Exporte le cartouche sous formes d'attributs XML ajoutes a l'element e.
	@param e Element XML auquel seront ajoutes des attributs
*/
QDomElement TitleBlockProperties::toXml(QDomDocument &xml_document) const {

    QDomElement e = xml_document.createElement("inset");

    e.appendChild(createXmlProperty(xml_document, "author", author));
    e.appendChild(createXmlProperty(xml_document, "title", title));
    e.appendChild(createXmlProperty(xml_document, "filename", filename));
    e.appendChild(createXmlProperty(xml_document, "plant", plant));
    e.appendChild(createXmlProperty(xml_document, "locmach", locmach));
    e.appendChild(createXmlProperty(xml_document, "indexrev", indexrev));
    e.appendChild(createXmlProperty(xml_document, "version", version));
    e.appendChild(createXmlProperty(xml_document, "folio", folio));
    e.appendChild(createXmlProperty(xml_document, "auto_page_num", auto_page_num));
    e.appendChild(createXmlProperty(xml_document, "date", exportDate()));
    e.appendChild(createXmlProperty(xml_document, "displayAt", display_at == Qt::BottomEdge? "bottom" : "right"));

	if (!template_name.isEmpty())
	{
        e.appendChild(createXmlProperty(xml_document, "titleblocktemplate", template_name));
        e.appendChild(createXmlProperty(xml_document, "titleblocktemplateCollection", QET::qetCollectionToString(collection)));
	}
	
	if (context.keys().count()) {
		QDomElement properties = e.ownerDocument().createElement("properties");
		context.toXml(properties);
		e.appendChild(properties);
	}

    return e;
}

/**
	Importe le cartouche a partir des attributs XML de l'element e
	@param e Element XML dont les attributs seront lus
*/
bool TitleBlockProperties::fromXml(const QDomElement &e) {
	// reads the historical fields
	if (e.hasAttribute("author"))      author   = e.attribute("author");
	if (e.hasAttribute("title"))       title    = e.attribute("title");
	if (e.hasAttribute("filename"))    filename = e.attribute("filename");
	if (e.hasAttribute("plant"))       plant   = e.attribute("plant");
	if (e.hasAttribute("locmach"))     locmach  = e.attribute("locmach");
	if (e.hasAttribute("indexrev"))    indexrev  = e.attribute("indexrev");
	if (e.hasAttribute("version"))     version   = e.attribute("version");
	if (e.hasAttribute("folio"))       folio    = e.attribute("folio");
	if (e.hasAttribute("auto_page_num")) auto_page_num = e.attribute("auto_page_num");
	if (e.hasAttribute("date"))        setDateFromString(e.attribute("date"));
	if (e.hasAttribute("displayAt")) display_at = (e.attribute("displayAt") == "bottom" ? Qt::BottomEdge : Qt::RightEdge);
	
		// reads the template used to render the title block
	if (e.hasAttribute("titleblocktemplate"))
	{
		template_name = e.attribute("titleblocktemplate");
		collection = QET::qetCollectionFromString(e.attribute("titleblocktemplateCollection"));
	}
	
	// reads the additional fields used to fill the title block
	context.clear();
	foreach (QDomElement e, QET::findInDomElement(e, "properties")) {
		context.fromXml(e);
	}
}

/**
 * @brief TitleBlockProperties::toSettings
 * Export the TitleBlockProperties into a QSettings
 * @param settings : setting to use
 * @param prefix : name to use as prefix for this property
 */
void TitleBlockProperties::toSettings(QSettings &settings, const QString &prefix) const {
	settings.setValue(prefix + "title",    title);
	settings.setValue(prefix + "author",   author);
	settings.setValue(prefix + "filename", filename);
	settings.setValue(prefix + "plant", plant);
	settings.setValue(prefix + "locmach", locmach);
	settings.setValue(prefix + "indexrev", indexrev);
	settings.setValue(prefix + "version", version);
	settings.setValue(prefix + "folio",    folio);
	settings.setValue(prefix + "auto_page_num",    auto_page_num);
	settings.setValue(prefix + "date",     exportDate());
	settings.setValue(prefix + "displayAt", (display_at == Qt::BottomEdge? "bottom" : "right"));
	settings.setValue(prefix + "titleblocktemplate", template_name.isEmpty()? QString() : template_name);
	settings.setValue(prefix + "titleblocktemplateCollection", QET::qetCollectionToString(collection));
	context.toSettings(settings, prefix + "properties");
}

/**
	Importe le cartouche depuis une configuration.
	@param settings Parametres a lire
	@param prefix prefixe a ajouter devant les noms des parametres
*/
void TitleBlockProperties::fromSettings(QSettings &settings, const QString &prefix) {
	title    = settings.value(prefix + "title").toString();
	author   = settings.value(prefix + "author").toString();
	filename = settings.value(prefix + "filename").toString();
	plant    = settings.value(prefix + "plant").toString();
	locmach  = settings.value(prefix + "locmach").toString();
	indexrev = settings.value(prefix + "indexrev").toString();
	version  = settings.value(prefix + "version").toString();
	folio    = settings.value(prefix + "folio", "%id/%total").toString();
	auto_page_num = settings.value(prefix + "auto_page_num").toString();
	setDateFromString(settings.value(prefix + "date").toString());
	display_at = (settings.value(prefix + "displayAt", QVariant("bottom")).toString() == "bottom" ? Qt::BottomEdge : Qt::RightEdge);
	template_name = settings.value(prefix + "titleblocktemplate").toString();
	collection = QET::qetCollectionFromString(settings.value(prefix + "titleblocktemplateCollection").toString());
	context.fromSettings(settings, prefix + "properties");
}

/**
 * @brief TitleBlockProperties::defaultProperties
 * Return the default properties stored in the setting file
 */
TitleBlockProperties TitleBlockProperties::defaultProperties()
{
	QSettings settings;

	TitleBlockProperties def;
	def.fromSettings(settings, "diagrameditor/default");

	return(def);
}

/**
	@return La date a utiliser
*/
QDate TitleBlockProperties::finalDate() const {
	if (useDate == UseDateValue) {
		return(date);
	} else {
		return(QDate::currentDate());
	}
}

/**
	@return une chaine de caracteres decrivant comment gerer la date dans le
	cartouche : la chaine peut valoir :
	  * null pour ne pas afficher de date
	  * now pour afficher la date courante (a la creation du schema)
	  * une date au format yyyyMMdd pour utiliser une date fixe
*/
QString TitleBlockProperties::exportDate() const {
	QString date_setting_value;
	if (useDate == UseDateValue) {
		if (date.isNull()) date_setting_value = "null";
		else date_setting_value = date.toString("yyyyMMdd");
	} else {
		date_setting_value = "now";
	}
	return(date_setting_value);
}

/**
	Charge les attributs date et useDate a partir d'une chaine de caracteres.
	@param date_string Chaine de caracteres a analyser
	@see exportDate
*/
void TitleBlockProperties::setDateFromString(const QString &date_string) {
	if (date_string == "now") {
		date = QDate::currentDate();
		useDate = CurrentDate;
	} else if (date_string.isEmpty() || date_string == "null") {
		date = QDate();
		useDate = UseDateValue;
	} else {
		date = QDate::fromString(date_string, "yyyyMMdd");
		useDate = UseDateValue;
	}
}