+// static
+void EffectsList::setProperty(QDomElement effect, const QString &name, const QString &value)
+{
+ QDomNodeList params = effect.elementsByTagName("property");
+ // Update property if it already exists
+ bool found = false;
+ for (int i = 0; i < params.count(); ++i) {
+ QDomElement e = params.item(i).toElement();
+ if (e.attribute("name") == name) {
+ e.firstChild().setNodeValue(value);
+ found = true;
+ break;
+ }
+ }
+ if (!found) {
+ // create property
+ QDomDocument doc = effect.ownerDocument();
+ QDomElement e = doc.createElement("property");
+ e.setAttribute("name", name);
+ QDomText val = doc.createTextNode(value);
+ e.appendChild(val);
+ effect.appendChild(e);
+ }
+}
+
+// static
+void EffectsList::renameProperty(QDomElement effect, const QString &oldName, const QString &newName)
+{
+ QDomNodeList params = effect.elementsByTagName("property");
+ // Update property if it already exists
+ for (int i = 0; i < params.count(); ++i) {
+ QDomElement e = params.item(i).toElement();
+ if (e.attribute("name") == oldName) {
+ e.setAttribute("name", newName);
+ break;
+ }
+ }
+}
+
+// static
+QString EffectsList::property(QDomElement effect, const QString &name)
+{
+ QDomNodeList params = effect.elementsByTagName("property");
+ for (int i = 0; i < params.count(); ++i) {
+ QDomElement e = params.item(i).toElement();
+ if (e.attribute("name") == name) {
+ return e.firstChild().nodeValue();
+ }
+ }
+ return QString();
+}
+
+// static
+void EffectsList::removeProperty(QDomElement effect, const QString &name)
+{
+ QDomNodeList params = effect.elementsByTagName("property");
+ for (int i = 0; i < params.count(); ++i) {
+ QDomElement e = params.item(i).toElement();
+ if (e.attribute("name") == name) {
+ effect.removeChild(params.item(i));
+ break;
+ }
+ }
+}
+
+// static
+void EffectsList::removeMetaProperties(QDomElement producer)
+{
+ QDomNodeList params = producer.elementsByTagName("property");
+ for (int i = 0; i < params.count(); ++i) {
+ QDomElement e = params.item(i).toElement();
+ if (e.attribute("name").startsWith("meta")) {
+ producer.removeChild(params.item(i));
+ --i;
+ }
+ }
+}
+
+QDomElement EffectsList::append(QDomElement e)
+{
+ QDomElement result;
+ if (!e.isNull()) {
+ result = m_baseElement.appendChild(importNode(e, true)).toElement();
+ if (m_useIndex) {
+ updateIndexes(m_baseElement.childNodes(), m_baseElement.childNodes().count() - 1);
+ }
+ }
+ return result;
+}
+
+int EffectsList::count() const
+{
+ return m_baseElement.childNodes().count();
+}
+
+bool EffectsList::isEmpty() const
+{
+ return !m_baseElement.hasChildNodes();
+}
+
+const QDomElement EffectsList::at(int ix) const
+{
+ QDomNodeList effects = m_baseElement.childNodes();
+ if (ix < 0 || ix >= effects.count()) return QDomElement();
+ return effects.at(ix).toElement();
+}
+
+void EffectsList::removeAt(int ix)
+{
+ QDomNodeList effects = m_baseElement.childNodes();
+ if (ix <= 0 || ix > effects.count()) return;
+ m_baseElement.removeChild(effects.at(ix - 1));
+ if (m_useIndex) updateIndexes(effects, ix - 1);
+}
+
+QDomElement EffectsList::itemFromIndex(int ix) const
+{
+ QDomNodeList effects = m_baseElement.childNodes();
+ if (ix <= 0 || ix > effects.count()) return QDomElement();
+ return effects.at(ix - 1).toElement();
+}
+
+QDomElement EffectsList::insert(QDomElement effect)
+{
+ QDomNodeList effects = m_baseElement.childNodes();
+ int ix = effect.attribute("kdenlive_ix").toInt();
+ QDomElement result;
+ if (ix <= 0 || ix > effects.count()) {
+ ix = effects.count();
+ result = m_baseElement.appendChild(importNode(effect, true)).toElement();
+ }
+ else {
+ QDomElement listeffect = effects.at(ix - 1).toElement();
+ result = m_baseElement.insertBefore(importNode(effect, true), listeffect).toElement();
+ }
+ if (m_useIndex && ix > 0)
+ updateIndexes(effects, ix - 1);
+ return result;
+}
+
+void EffectsList::updateIndexes(QDomNodeList effects, int startIndex)
+{
+ for (int i = startIndex; i < effects.count(); ++i) {
+ QDomElement listeffect = effects.at(i).toElement();
+ listeffect.setAttribute(QLatin1String("kdenlive_ix"), i + 1);
+ }
+}
+
+void EffectsList::enableEffects(const QList <int>& indexes, bool disable)
+{
+ QDomNodeList effects = m_baseElement.childNodes();
+ QDomElement effect;
+ for (int i = 0; i < indexes.count(); ++i) {
+ effect = effectFromIndex(effects, indexes.at(i));
+ effect.setAttribute("disable", (int) disable);
+ }
+}
+
+QDomElement EffectsList::effectFromIndex(const QDomNodeList &effects, int ix)
+{
+ if (ix <= 0 || ix > effects.count()) return QDomElement();
+ return effects.at(ix - 1).toElement();
+}
+
+void EffectsList::updateEffect(const QDomElement &effect)
+{
+ QDomNodeList effects = m_baseElement.childNodes();
+ int ix = effect.attribute("kdenlive_ix").toInt();
+ QDomElement current = effectFromIndex(effects, ix);
+ if (!current.isNull()) {
+ m_baseElement.insertBefore(importNode(effect, true), current);
+ m_baseElement.removeChild(current);
+ }
+ else m_baseElement.appendChild(importNode(effect, true));
+}