1 /***************************************************************************
2 effectslist.cpp - description
4 begin : Sat Aug 10 2002
5 copyright : (C) 2002 by Jason Wood
6 email : jasonwood@blueyonder.co.uk
7 ***************************************************************************/
9 /***************************************************************************
11 * This program is free software; you can redistribute it and/or modify *
12 * it under the terms of the GNU General Public License as published by *
13 * the Free Software Foundation; either version 2 of the License, or *
14 * (at your option) any later version. *
16 ***************************************************************************/
19 #include "effectslist.h"
25 EffectsList::EffectsList(bool indexRequired) : m_useIndex(indexRequired)
27 m_baseElement = createElement("list");
28 appendChild(m_baseElement);
31 EffectsList::~EffectsList()
35 QDomElement EffectsList::getEffectByName(const QString & name) const
38 QDomNodeList effects = m_baseElement.childNodes();
39 for (int i = 0; i < effects.count(); i++) {
40 QDomElement effect = effects.at(i).toElement();
41 QDomElement namenode = effect.firstChildElement("name");
42 if (!namenode.isNull()) effectName = i18n(namenode.text().toUtf8().data());
43 if (name == effectName) {
44 QDomNodeList params = effect.elementsByTagName("parameter");
45 for (int i = 0; i < params.count(); i++) {
46 QDomElement e = params.item(i).toElement();
47 if (!e.hasAttribute("value"))
48 e.setAttribute("value", e.attribute("default"));
57 QDomElement EffectsList::getEffectByTag(const QString & tag, const QString & id) const
59 QDomNodeList effects = m_baseElement.childNodes();
60 for (int i = 0; i < effects.count(); i++) {
61 QDomElement effect = effects.at(i).toElement();
63 if (effect.attribute("id") == id) {
64 QDomNodeList params = effect.elementsByTagName("parameter");
65 for (int i = 0; i < params.count(); i++) {
66 QDomElement e = params.item(i).toElement();
67 if (!e.hasAttribute("value"))
68 e.setAttribute("value", e.attribute("default"));
72 } else if (!tag.isEmpty()) {
73 if (effect.attribute("tag") == tag) {
74 QDomNodeList params = effect.elementsByTagName("parameter");
75 for (int i = 0; i < params.count(); i++) {
76 QDomElement e = params.item(i).toElement();
77 if (!e.hasAttribute("value"))
78 e.setAttribute("value", e.attribute("default"));
87 int EffectsList::hasEffect(const QString & tag, const QString & id) const
89 QDomNodeList effects = m_baseElement.childNodes();
90 for (int i = 0; i < effects.count(); i++) {
91 QDomElement effect = effects.at(i).toElement();
93 if (effect.attribute("id") == id) return effect.attribute("kdenlive_ix").toInt();
94 } else if (!tag.isEmpty() && effect.attribute("tag") == tag) return effect.attribute("kdenlive_ix").toInt();
99 QStringList EffectsList::effectIdInfo(const int ix) const
102 QDomElement effect = m_baseElement.childNodes().at(ix).toElement();
103 if (effect.tagName() == "effectgroup") {
104 QString groupName = effect.attribute("name");
105 info << groupName << groupName << groupName << QString::number(Kdenlive::groupEffect);
108 QDomElement namenode = effect.firstChildElement("name");
109 info << i18n(namenode.text().toUtf8().data()) << effect.attribute("tag") << effect.attribute("id");
114 QStringList EffectsList::effectNames()
117 QDomNodeList effects = m_baseElement.childNodes();
118 for (int i = 0; i < effects.count(); i++) {
119 QDomElement effect = effects.at(i).toElement();
120 QDomElement namenode = effect.firstChildElement("name");
121 if (!namenode.isNull()) list.append(i18n(namenode.text().toUtf8().data()));
126 QString EffectsList::getInfo(const QString & tag, const QString & id) const
129 return getEffectInfo(getEffectByTag(tag, id));
132 QString EffectsList::getInfoFromIndex(const int ix) const
135 return getEffectInfo(m_baseElement.childNodes().at(ix).toElement());
138 QString EffectsList::getEffectInfo(const QDomElement effect) const
141 QDomElement namenode = effect.firstChildElement("description");
142 if (!namenode.isNull())
143 info = i18n(namenode.firstChild().nodeValue().simplified().toUtf8().data());
145 namenode = effect.firstChildElement("author");
146 if (!namenode.isNull())
147 info.append("<br /><strong>" + i18n("Author:") + " </strong>" + i18n(namenode.text().toUtf8().data()));
149 namenode = effect.firstChildElement("version");
150 if (!namenode.isNull())
151 info.append(QString(" (%1)").arg(namenode.text()));
157 bool EffectsList::hasKeyFrames(QDomElement effect)
159 QDomNodeList params = effect.elementsByTagName("parameter");
160 for (int i = 0; i < params.count(); i++) {
161 QDomElement e = params.item(i).toElement();
162 if (e.attribute("type") == "keyframe") return true;
168 bool EffectsList::hasSimpleKeyFrames(QDomElement effect)
170 QDomNodeList params = effect.elementsByTagName("parameter");
171 for (int i = 0; i < params.count(); i++) {
172 QDomElement e = params.item(i).toElement();
173 if (e.attribute("type") == "simplekeyframe") return true;
179 bool EffectsList::hasGeometryKeyFrames(QDomElement effect)
181 QDomNodeList params = effect.elementsByTagName("parameter");
182 for (int i = 0; i < params.count(); ++i) {
183 QDomElement param = params.item(i).toElement();
184 if (param.attribute("type") == "geometry" && !param.hasAttribute("fixed"))
190 void EffectsList::clone(const EffectsList &original)
192 setContent(original.toString());
193 m_baseElement = documentElement();
196 void EffectsList::clearList()
198 while (!m_baseElement.firstChild().isNull())
199 m_baseElement.removeChild(m_baseElement.firstChild());
203 void EffectsList::setParameter(QDomElement effect, const QString &name, const QString &value)
205 QDomNodeList params = effect.elementsByTagName("parameter");
206 for (int i = 0; i < params.count(); i++) {
207 QDomElement e = params.item(i).toElement();
208 if (e.attribute("name") == name) {
209 e.setAttribute("value", value);
216 QString EffectsList::parameter(QDomElement effect, const QString &name)
218 QDomNodeList params = effect.elementsByTagName("parameter");
219 for (int i = 0; i < params.count(); i++) {
220 QDomElement e = params.item(i).toElement();
221 if (e.attribute("name") == name) {
222 return e.attribute("value");
229 void EffectsList::setProperty(QDomElement effect, const QString &name, const QString &value)
231 QDomNodeList params = effect.elementsByTagName("property");
232 // Update property if it already exists
234 for (int i = 0; i < params.count(); i++) {
235 QDomElement e = params.item(i).toElement();
236 if (e.attribute("name") == name) {
237 e.firstChild().setNodeValue(value);
244 QDomDocument doc = effect.ownerDocument();
245 QDomElement e = doc.createElement("property");
246 e.setAttribute("name", name);
247 QDomText val = doc.createTextNode(value);
249 effect.appendChild(e);
254 void EffectsList::renameProperty(QDomElement effect, const QString &oldName, const QString &newName)
256 QDomNodeList params = effect.elementsByTagName("property");
257 // Update property if it already exists
258 for (int i = 0; i < params.count(); i++) {
259 QDomElement e = params.item(i).toElement();
260 if (e.attribute("name") == oldName) {
261 e.setAttribute("name", newName);
268 QString EffectsList::property(QDomElement effect, const QString &name)
270 QDomNodeList params = effect.elementsByTagName("property");
271 for (int i = 0; i < params.count(); i++) {
272 QDomElement e = params.item(i).toElement();
273 if (e.attribute("name") == name) {
274 return e.firstChild().nodeValue();
281 void EffectsList::removeProperty(QDomElement effect, const QString &name)
283 QDomNodeList params = effect.elementsByTagName("property");
284 for (int i = 0; i < params.count(); i++) {
285 QDomElement e = params.item(i).toElement();
286 if (e.attribute("name") == name) {
287 effect.removeChild(params.item(i));
294 void EffectsList::removeMetaProperties(QDomElement producer)
296 QDomNodeList params = producer.elementsByTagName("property");
297 for (int i = 0; i < params.count(); i++) {
298 QDomElement e = params.item(i).toElement();
299 if (e.attribute("name").startsWith("meta")) {
300 producer.removeChild(params.item(i));
306 QDomElement EffectsList::append(QDomElement e)
310 result = m_baseElement.appendChild(importNode(e, true)).toElement();
312 updateIndexes(m_baseElement.childNodes(), m_baseElement.childNodes().count() - 1);
318 int EffectsList::count() const
320 return m_baseElement.childNodes().count();
323 bool EffectsList::isEmpty() const
325 return !m_baseElement.hasChildNodes();
328 const QDomElement EffectsList::at(int ix) const
330 QDomNodeList effects = m_baseElement.childNodes();
331 if (ix < 0 || ix >= effects.count()) return QDomElement();
332 return effects.at(ix).toElement();
335 void EffectsList::removeAt(int ix)
337 QDomNodeList effects = m_baseElement.childNodes();
338 if (ix <= 0 || ix > effects.count()) return;
339 m_baseElement.removeChild(effects.at(ix - 1));
340 if (m_useIndex) updateIndexes(effects, ix - 1);
343 QDomElement EffectsList::itemFromIndex(int ix) const
345 QDomNodeList effects = m_baseElement.childNodes();
346 if (ix <= 0 || ix > effects.count()) return QDomElement();
347 return effects.at(ix - 1).toElement();
350 QDomElement EffectsList::insert(QDomElement effect)
352 QDomNodeList effects = m_baseElement.childNodes();
353 int ix = effect.attribute("kdenlive_ix").toInt();
355 if (effect.hasAttribute("kdenlive_ix") && ix > effects.count()) {
356 ix = effects.count();
357 result = m_baseElement.appendChild(importNode(effect, true)).toElement();
360 QDomElement listeffect = effects.at(ix - 1).toElement();
361 result = m_baseElement.insertBefore(importNode(effect, true), listeffect).toElement();
363 if (m_useIndex) updateIndexes(effects, ix - 1);
367 void EffectsList::updateIndexes(QDomNodeList effects, int startIndex)
369 for (int i = startIndex; i < effects.count(); i++) {
370 QDomElement listeffect = effects.at(i).toElement();
371 listeffect.setAttribute("kdenlive_ix", i + 1);
375 QDomElement EffectsList::effectFromIndex(QDomNodeList effects, int ix)
377 if (ix <= 0 || ix > effects.count()) return QDomElement();
378 return effects.at(ix - 1).toElement();
381 void EffectsList::updateEffect(QDomElement effect)
383 QDomNodeList effects = m_baseElement.childNodes();
384 int ix = effect.attribute("kdenlive_ix").toInt();
385 QDomElement current = effectFromIndex(effects, ix);
386 if (!current.isNull()) {
387 m_baseElement.insertBefore(importNode(effect, true), current);
388 m_baseElement.removeChild(current);
390 else m_baseElement.appendChild(importNode(effect, true));