Add quick and dirty EffectChain / Effect / EffectParameter XML serialization/de-serialization support.

1 files changed, 75 insertions, 4 deletions

diff --git a/src/effects/effectchainmanager.cpp b/src/effects/effectchainmanager.cpp
index 6d0c9b0c01..71334838ed 100644
--- a/src/effects/effectchainmanager.cpp
+++ b/src/effects/effectchainmanager.cpp
@@ -1,10 +1,17 @@
-
 #include "effects/effectchainmanager.h"
 
+#include <QtDebug>
+#include <QDomDocument>
+#include <QFile>
+#include <QDir>
+
 #include "effects/effectsmanager.h"
+#include "xmlparse.h"
 
-EffectChainManager::EffectChainManager(EffectsManager* pEffectsManager)
+EffectChainManager::EffectChainManager(ConfigObject<ConfigValue>* pConfig,
+                                       EffectsManager* pEffectsManager)
         : QObject(pEffectsManager),
+          m_pConfig(pConfig),
           m_pEffectsManager(pEffectsManager) {
 }
 
@@ -87,10 +94,74 @@ EffectChainPointer EffectChainManager::getPrevEffectChain(EffectChainPointer pEf
     return m_effectChains[(indexOf - 1 + m_effectChains.size()) % m_effectChains.size()];
 }
 
-void EffectChainManager::saveEffectChains() {
+bool EffectChainManager::saveEffectChains() {
     qDebug() << debugString() << "saveEffectChains";
+    QDomDocument doc("MixxxEffects");
+
+    QString blank = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"
+        "<MixxxEffects>\n"
+        "</MixxxEffects>\n";
+    doc.setContent(blank);
+
+    QDomElement rootNode = doc.documentElement();
+
+    QDomElement chains = doc.createElement("EffectChains");
+    foreach (EffectChainPointer pChain, m_effectChains) {
+        QDomElement chain = pChain->toXML(&doc);
+        chains.appendChild(chain);
+    }
+    rootNode.appendChild(chains);
+
+    QDir settingsPath(m_pConfig->getSettingsPath());
+
+    if (!settingsPath.exists()) {
+        return false;
+    }
+
+    QFile file(settingsPath.absoluteFilePath("effects.xml"));
+
+    // TODO(rryan): overwrite the right way.
+    if (!file.open(QIODevice::Truncate | QIODevice::WriteOnly)) {
+        return false;
+    }
+
+    QString effectsXml = doc.toString();
+    file.write(effectsXml.toUtf8());
+    file.close();
+    return true;
 }
 
-void EffectChainManager::loadEffectChains() {
+bool EffectChainManager::loadEffectChains() {
     qDebug() << debugString() << "loadEffectChains";
+
+    QDir settingsPath(m_pConfig->getSettingsPath());
+    QFile file(settingsPath.absoluteFilePath("effects.xml"));
+
+    if (!file.open(QIODevice::ReadOnly)) {
+        return false;
+    }
+
+    QDomDocument doc;
+    if (!doc.setContent(&file)) {
+        file.close();
+        return false;
+    }
+    file.close();
+
+    QDomElement root = doc.documentElement();
+
+    QDomElement effectChains = XmlParse::selectElement(root, "EffectChains");
+    QDomNodeList chains = effectChains.childNodes();
+
+    for (int i = 0; i < chains.count(); ++i) {
+        QDomNode chainNode = chains.at(i);
+
+        if (chainNode.isElement()) {
+            EffectChainPointer pChain = EffectChain::fromXML(
+                m_pEffectsManager, chainNode.toElement());
+
+            m_effectChains.append(pChain);
+        }
+    }
+    return true;
 }