+// static
+bool EffectsList::hasKeyFrames(QDomElement effect)
+{
+ QDomNodeList params = effect.elementsByTagName("parameter");
+ for (int i = 0; i < params.count(); i++) {
+ QDomElement e = params.item(i).toElement();
+ if (e.attribute("type") == "keyframe") return true;
+ }
+ return false;
+}
+
+// static
+bool EffectsList::hasSimpleKeyFrames(QDomElement effect)
+{
+ QDomNodeList params = effect.elementsByTagName("parameter");
+ for (int i = 0; i < params.count(); i++) {
+ QDomElement e = params.item(i).toElement();
+ if (e.attribute("type") == "simplekeyframe") return true;
+ }
+ return false;
+}
+
+// static
+bool EffectsList::hasGeometryKeyFrames(QDomElement effect)
+{
+ QDomNodeList params = effect.elementsByTagName("parameter");
+ for (int i = 0; i < params.count(); ++i) {
+ QDomElement param = params.item(i).toElement();
+ if (param.attribute("type") == "geometry" && !param.hasAttribute("fixed"))
+ return true;
+ }
+ return false;
+}
+
+void EffectsList::clone(const EffectsList &original)
+{
+ setContent(original.toString());
+ m_baseElement = documentElement();
+}
+
+void EffectsList::clearList()
+{
+ while (!m_baseElement.firstChild().isNull())
+ m_baseElement.removeChild(m_baseElement.firstChild());
+}
+
+// static
+void EffectsList::setParameter(QDomElement effect, const QString &name, const QString &value)
+{
+ QDomNodeList params = effect.elementsByTagName("parameter");
+ for (int i = 0; i < params.count(); i++) {
+ QDomElement e = params.item(i).toElement();
+ if (e.attribute("name") == name) {
+ e.setAttribute("value", value);
+ break;
+ }
+ }
+}
+
+// static
+QString EffectsList::parameter(QDomElement effect, const QString &name)
+{
+ QDomNodeList params = effect.elementsByTagName("parameter");
+ for (int i = 0; i < params.count(); i++) {
+ QDomElement e = params.item(i).toElement();
+ if (e.attribute("name") == name) {
+ return e.attribute("value");
+ }
+ }
+ return QString();
+}
+
+// static
+void EffectsList::setProperty(QDomElement effect, const QString &name, const QString &value)
+{
+ 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") == name) {
+ e.firstChild().setNodeValue(value);
+ break;
+ }
+ }
+}
+
+// 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;
+ }
+ }
+}
+
+void EffectsList::append(QDomElement e)
+{
+ m_baseElement.appendChild(importNode(e, true));
+}
+
+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));
+}
+
+QDomElement EffectsList::item(int ix)
+{
+ QDomNodeList effects = m_baseElement.childNodes();
+ if (ix < 0 || ix >= effects.count()) return QDomElement();
+ return effects.at(ix).toElement();
+}
+
+void EffectsList::insert(int ix, QDomElement effect)
+{
+ QDomNodeList effects = m_baseElement.childNodes();
+ if (ix < 0) ix = 0;
+ if (ix >= effects.count()) m_baseElement.appendChild(importNode(effect, true));
+ else m_baseElement.insertBefore(importNode(effect, true), effects.at(ix));
+}
+
+void EffectsList::replace(int ix, QDomElement effect)
+{
+ QDomNodeList effects = m_baseElement.childNodes();
+ if (ix < 0) ix = 0;
+ if (ix < effects.count()) m_baseElement.removeChild(effects.at(ix));
+ if (ix == effects.count()) m_baseElement.appendChild(importNode(effect, true));
+ else m_baseElement.insertBefore(importNode(effect, true), effects.at(ix));
+}