EffectMaker: Open saved compositions

- Also fixing issues related to image paths
- Composition name is shown in save dialog when re-save
- Clear current composition for reset or open a new one

Task-number: QDS-11192
Change-Id: I97aad4b5216e6b116343bb274db0f9abd1275fec
Reviewed-by: Mahmoud Badri <[email protected]>

10 files changed, 181 insertions, 99 deletions

diff --git a/share/qtcreator/qmldesigner/effectMakerQmlSources/EffectMaker.qml b/share/qtcreator/qmldesigner/effectMakerQmlSources/EffectMaker.qml
index 19e08acd525..a60b41acf31 100644
--- a/share/qtcreator/qmldesigner/effectMakerQmlSources/EffectMaker.qml
+++ b/share/qtcreator/qmldesigner/effectMakerQmlSources/EffectMaker.qml
@@ -18,6 +18,7 @@ Item {
 
     SaveDialog {
         id: saveDialog
+        compositionName: EffectMakerBackend.effectMakerModel.currentComposition
         anchors.centerIn: parent
         onAccepted: {
             let name = saveDialog.compositionName
diff --git a/share/qtcreator/qmldesigner/effectMakerQmlSources/SaveDialog.qml b/share/qtcreator/qmldesigner/effectMakerQmlSources/SaveDialog.qml
index 08bb8c0832a..8bd48e1d6c4 100644
--- a/share/qtcreator/qmldesigner/effectMakerQmlSources/SaveDialog.qml
+++ b/share/qtcreator/qmldesigner/effectMakerQmlSources/SaveDialog.qml
@@ -21,7 +21,7 @@ StudioControls.Dialog {
     property string compositionName: ""
 
     onOpened: {
-        nameText.text = "" //TODO: Generate unique name
+        nameText.text = compositionName //TODO: Generate unique name
         emptyText.text = ""
         nameText.forceActiveFocus()
     }
diff --git a/src/plugins/effectmakernew/compositionnode.cpp b/src/plugins/effectmakernew/compositionnode.cpp
index 796b06151f9..8cd5bda971e 100644
--- a/src/plugins/effectmakernew/compositionnode.cpp
+++ b/src/plugins/effectmakernew/compositionnode.cpp
@@ -11,13 +11,36 @@
 #include <QFile>
 #include <QJsonArray>
 #include <QJsonDocument>
-#include <QJsonObject>
 
 namespace EffectMaker {
 
-CompositionNode::CompositionNode(const QString &qenPath)
+CompositionNode::CompositionNode(const QString &effectName, const QString &qenPath, const QJsonObject &jsonObject)
 {
-    parse(qenPath);
+    QJsonObject json;
+    if (jsonObject.isEmpty()) {
+        QFile qenFile(qenPath);
+        if (!qenFile.open(QIODevice::ReadOnly)) {
+            qWarning("Couldn't open effect file.");
+            return;
+        }
+
+        QByteArray loadData = qenFile.readAll();
+        QJsonParseError parseError;
+        QJsonDocument jsonDoc(QJsonDocument::fromJson(loadData, &parseError));
+
+        if (parseError.error != QJsonParseError::NoError) {
+            QString error = QString("Error parsing effect node");
+            QString errorDetails = QString("%1: %2").arg(parseError.offset).arg(parseError.errorString());
+            qWarning() << error;
+            qWarning() << errorDetails;
+            return;
+        }
+        json = jsonDoc.object().value("QEN").toObject();
+        parse(effectName, qenPath, json);
+    }
+    else {
+        parse(effectName, "", jsonObject);
+    }
 }
 
 QString CompositionNode::fragmentCode() const
@@ -63,28 +86,8 @@ CompositionNode::NodeType CompositionNode::type() const
     return m_type;
 }
 
-void CompositionNode::parse(const QString &qenPath)
+void CompositionNode::parse(const QString &effectName, const QString &qenPath, const QJsonObject &json)
 {
-    QFile qenFile(qenPath);
-
-    if (!qenFile.open(QIODevice::ReadOnly)) {
-        qWarning("Couldn't open effect file.");
-        return;
-    }
-
-    QByteArray loadData = qenFile.readAll();
-    QJsonParseError parseError;
-    QJsonDocument jsonDoc(QJsonDocument::fromJson(loadData, &parseError));
-    if (parseError.error != QJsonParseError::NoError) {
-        QString error = QString("Error parsing the effect node: %1:").arg(qenPath);
-        QString errorDetails = QString("%1: %2").arg(parseError.offset).arg(parseError.errorString());
-        qWarning() << qPrintable(error);
-        qWarning() << qPrintable(errorDetails);
-        return;
-    }
-
-    QJsonObject json = jsonDoc.object().value("QEN").toObject();
-
     int version = -1;
     if (json.contains("version"))
         version = json["version"].toInt(-1);
@@ -102,7 +105,7 @@ void CompositionNode::parse(const QString &qenPath)
     // parse properties
     QJsonArray jsonProps = json.value("properties").toArray();
     for (const auto /*QJsonValueRef*/ &prop : jsonProps) {
-        const auto uniform = new Uniform(prop.toObject(), qenPath);
+        const auto uniform = new Uniform(effectName, prop.toObject(), qenPath);
         m_unifomrsModel.addUniform(uniform);
         m_uniforms.append(uniform);
         g_propertyData.insert(uniform->name(), uniform->value());
diff --git a/src/plugins/effectmakernew/compositionnode.h b/src/plugins/effectmakernew/compositionnode.h
index 37203ef4219..4736f1d8afa 100644
--- a/src/plugins/effectmakernew/compositionnode.h
+++ b/src/plugins/effectmakernew/compositionnode.h
@@ -5,6 +5,7 @@
 
 #include "effectmakeruniformsmodel.h"
 
+#include <QJsonObject>
 #include <QObject>
 
 namespace EffectMaker {
@@ -24,7 +25,7 @@ public:
         CustomNode
     };
 
-    CompositionNode(const QString &qenPath);
+    CompositionNode(const QString &effectName, const QString &qenPath, const QJsonObject &json = {});
 
     QString fragmentCode() const;
     QString vertexCode() const;
@@ -48,7 +49,7 @@ signals:
     void isEnabledChanged();
 
 private:
-    void parse(const QString &qenPath);
+    void parse(const QString &effectName, const QString &qenPath, const QJsonObject &json);
 
     QString m_name;
     NodeType m_type = CustomNode;
diff --git a/src/plugins/effectmakernew/effectmakermodel.cpp b/src/plugins/effectmakernew/effectmakermodel.cpp
index fa11f2fb3c7..ee147218a6d 100644
--- a/src/plugins/effectmakernew/effectmakermodel.cpp
+++ b/src/plugins/effectmakernew/effectmakermodel.cpp
@@ -49,19 +49,6 @@ static bool writeToFile(const QByteArray &buf, const QString &filename, FileType
 EffectMakerModel::EffectMakerModel(QObject *parent)
     : QAbstractListModel{parent}
 {
-    connect(&m_fileWatcher, &Utils::FileSystemWatcher::fileChanged, this, [this]() {
-        // Update component with images not set.
-        m_loadComponentImages = false;
-        updateQmlComponent();
-        // Then enable component images with a longer delay than
-        // the component updating delay. This way Image elements
-        // will reload the changed image files.
-        const int enableImagesDelay = 200;
-        QTimer::singleShot(enableImagesDelay, this, [this]() {
-            m_loadComponentImages = true;
-            updateQmlComponent();
-        } );
-    });
 }
 
 QHash<int, QByteArray> EffectMakerModel::roleNames() const
@@ -117,7 +104,7 @@ void EffectMakerModel::setIsEmpty(bool val)
 void EffectMakerModel::addNode(const QString &nodeQenPath)
 {
     beginInsertRows({}, m_nodes.size(), m_nodes.size());
-    auto *node = new CompositionNode(nodeQenPath);
+    auto *node = new CompositionNode("", nodeQenPath);
     m_nodes.append(node);
     endInsertRows();
 
@@ -189,12 +176,17 @@ void EffectMakerModel::clear()
     if (m_nodes.isEmpty())
         return;
 
+    beginRemoveRows({}, 0, m_nodes.count());
+
     for (CompositionNode *node : std::as_const(m_nodes))
         delete node;
 
     m_nodes.clear();
 
+    endRemoveRows();
+
     setIsEmpty(true);
+    bakeShaders();
 }
 
 const QList<Uniform *> EffectMakerModel::allUniforms()
@@ -571,6 +563,69 @@ void EffectMakerModel::exportComposition(const QString &name)
     saveFile.close();
 }
 
+void EffectMakerModel::openComposition(const QString &path)
+{
+    clear();
+
+    QFile compFile(path);
+    if (!compFile.open(QIODevice::ReadOnly)) {
+        QString error = QString("Couldn't open composition file: '%1'").arg(path);
+        qWarning() << qPrintable(error);
+        setEffectError(error);
+        return;
+    }
+
+    QByteArray data = compFile.readAll();
+    QJsonParseError parseError;
+    QJsonDocument jsonDoc(QJsonDocument::fromJson(data, &parseError));
+    if (parseError.error != QJsonParseError::NoError) {
+        QString error = QString("Error parsing the project file: %1").arg(parseError.errorString());
+        qWarning() << error;
+        setEffectError(error);
+        return;
+    }
+    QJsonObject rootJson = jsonDoc.object();
+    if (!rootJson.contains("QEP")) {
+        QString error = QStringLiteral("Error: Invalid project file");
+        qWarning() << error;
+        setEffectError(error);
+        return;
+    }
+
+    QJsonObject json = rootJson["QEP"].toObject();
+
+    int version = -1;
+    if (json.contains("version"))
+        version = json["version"].toInt(-1);
+
+    if (version != 1) {
+        QString error = QString("Error: Unknown project version (%1)").arg(version);
+        qWarning() << error;
+        setEffectError(error);
+        return;
+    }
+
+    // Get effects dir
+    const QString effectName = QFileInfo(path).baseName();
+    const Utils::FilePath effectsResDir = QmlDesigner::ModelNodeOperations::getEffectsImportDirectory();
+    const QString effectsResPath = effectsResDir.pathAppended(effectName).toString();
+
+    if (json.contains("nodes") && json["nodes"].isArray()) {
+        const QJsonArray nodesArray = json["nodes"].toArray();
+        for (const auto &nodeElement : nodesArray) {
+            beginInsertRows({}, m_nodes.size(), m_nodes.size());
+            auto *node = new CompositionNode(effectName, "", nodeElement.toObject());
+            m_nodes.append(node);
+            endInsertRows();
+        }
+
+        setIsEmpty(m_nodes.isEmpty());
+        bakeShaders();
+    }
+
+    setCurrentComposition(effectName);
+}
+
 void EffectMakerModel::exportResources(const QString &name)
 {
     // Make sure that uniforms are up-to-date
@@ -647,18 +702,15 @@ void EffectMakerModel::exportResources(const QString &name)
             QString imagePath = uniform->value().toString();
             QFileInfo fi(imagePath);
             QString imageFilename = fi.fileName();
-            sources.append(imagePath);
+            sources.append(imagePath.remove(0, 7)); // Removes "file://"
             dests.append(imageFilename);
         }
     }
 
-    //TODO: Copy source files if requested in future versions
-
-    // Copy files
     for (int i = 0; i < sources.count(); ++i) {
         Utils::FilePath source = Utils::FilePath::fromString(sources[i]);
         Utils::FilePath target = Utils::FilePath::fromString(effectsResPath + dests[i]);
-        if (target.exists())
+        if (target.exists() && source.fileName() != target.fileName())
             target.removeFile(); // Remove existing file for update
 
         if (!source.copyFile(target))
@@ -1254,15 +1306,16 @@ QString EffectMakerModel::getQmlImagesString(bool localFiles)
             if (localFiles) {
                 QFileInfo fi(imagePath);
                 imagePath = fi.fileName();
-            }
-            if (m_loadComponentImages)
+                imagesString += QString("            source: %1\n").arg(uniform->name());
+            } else {
                 imagesString += QString("            source: g_propertyData.%1\n").arg(uniform->name());
-            if (!localFiles) {
-                QString mipmapProperty = mipmapPropertyName(uniform->name());
-                imagesString += QString("            mipmap: g_propertyData.%1\n").arg(mipmapProperty);
-            } else if (uniform->enableMipmap()) {
-                imagesString += "            mipmap: true\n";
+
+                if (uniform->enableMipmap())
+                    imagesString += "            mipmap: true\n";
+                else
+                    QString mipmapProperty = mipmapPropertyName(uniform->name());
             }
+
             imagesString += "            visible: false\n";
             imagesString += "        }\n";
         }
@@ -1336,6 +1389,19 @@ QString EffectMakerModel::getQmlComponentString(bool localFiles)
     return s;
 }
 
+QString EffectMakerModel::currentComposition() const
+{
+    return m_currentComposition;
+}
+
+void EffectMakerModel::setCurrentComposition(const QString &newCurrentComposition)
+{
+    if (m_currentComposition == newCurrentComposition)
+        return;
+    m_currentComposition = newCurrentComposition;
+    emit currentCompositionChanged();
+}
+
 void EffectMakerModel::updateQmlComponent()
 {
     // Clear possible QML runtime errors
@@ -1352,25 +1418,4 @@ QString EffectMakerModel::stripFileFromURL(const QString &urlString) const
     return filePath;
 }
 
-void EffectMakerModel::updateImageWatchers()
-{
-    const QList<Uniform *> uniforms = allUniforms();
-    for (Uniform *uniform : uniforms) {
-        if (uniform->type() == Uniform::Type::Sampler) {
-            // Watch all image properties files
-            QString imagePath = stripFileFromURL(uniform->value().toString());
-            if (imagePath.isEmpty())
-                continue;
-            m_fileWatcher.addFile(imagePath, Utils::FileSystemWatcher::WatchAllChanges);
-        }
-    }
-}
-
-void EffectMakerModel::clearImageWatchers()
-{
-    const auto watchedFiles = m_fileWatcher.files();
-    if (!watchedFiles.isEmpty())
-        m_fileWatcher.removeFiles(watchedFiles);
-}
-
 } // namespace EffectMaker
diff --git a/src/plugins/effectmakernew/effectmakermodel.h b/src/plugins/effectmakernew/effectmakermodel.h
index 9647b8886a1..96eb0e19b46 100644
--- a/src/plugins/effectmakernew/effectmakermodel.h
+++ b/src/plugins/effectmakernew/effectmakermodel.h
@@ -6,7 +6,6 @@
 #include "shaderfeatures.h"
 
 #include <utils/filepath.h>
-#include <utils/filesystemwatcher.h>
 
 #include <QFileSystemWatcher>
 #include <QMap>
@@ -47,7 +46,7 @@ class EffectMakerModel : public QAbstractListModel
     Q_PROPERTY(int selectedIndex MEMBER m_selectedIndex NOTIFY selectedIndexChanged)
     Q_PROPERTY(bool shadersUpToDate READ shadersUpToDate WRITE setShadersUpToDate NOTIFY shadersUpToDateChanged)
     Q_PROPERTY(QString qmlComponentString READ qmlComponentString)
-
+    Q_PROPERTY(QString currentComposition READ currentComposition WRITE setCurrentComposition NOTIFY currentCompositionChanged)
 
 public:
     EffectMakerModel(QObject *parent = nullptr);
@@ -86,6 +85,11 @@ public:
     Q_INVOKABLE void exportComposition(const QString &name);
     Q_INVOKABLE void exportResources(const QString &name);
 
+    void openComposition(const QString &path);
+
+    QString currentComposition() const;
+    void setCurrentComposition(const QString &newCurrentComposition);
+
 signals:
     void isEmptyChanged();
     void selectedIndexChanged(int idx);
@@ -93,6 +97,8 @@ signals:
     void shadersUpToDateChanged();
     void shadersBaked();
 
+    void currentCompositionChanged();
+
 private:
     enum Roles {
         NameRole = Qt::UserRole + 1,
@@ -138,8 +144,6 @@ private:
     QString generateFragmentShader(bool includeUniforms = true);
     void handleQsbProcessExit(Utils::Process *qsbProcess, const QString &shader);
     QString stripFileFromURL(const QString &urlString) const;
-    void updateImageWatchers();
-    void clearImageWatchers();
     QString getQmlEffectString();
 
     void updateCustomUniforms();
@@ -179,7 +183,7 @@ private:
     QString m_previewEffectPropertiesString;
     QString m_qmlComponentString;
     bool m_loadComponentImages = true;
-    Utils::FileSystemWatcher m_fileWatcher;
+    QString m_currentComposition;
 
     const QRegularExpression m_spaceReg = QRegularExpression("\\s+");
 };
diff --git a/src/plugins/effectmakernew/effectmakerview.cpp b/src/plugins/effectmakernew/effectmakerview.cpp
index 40ba4987e67..637c12f6d5a 100644
--- a/src/plugins/effectmakernew/effectmakerview.cpp
+++ b/src/plugins/effectmakernew/effectmakerview.cpp
@@ -59,12 +59,15 @@ QmlDesigner::WidgetInfo EffectMakerView::widgetInfo()
                             QmlDesigner::WidgetInfo::LeftPane, 0, tr("Effect Maker"));
 }
 
-void EffectMakerView::customNotification(const AbstractView * /*view*/,
-                                         const QString & /*identifier*/,
-                                         const QList<QmlDesigner::ModelNode> & /*nodeList*/,
-                                         const QList<QVariant> & /*data*/)
+void EffectMakerView::customNotification([[maybe_unused]] const AbstractView *view,
+                                         const QString &identifier,
+                                         [[maybe_unused]] const QList<QmlDesigner::ModelNode> &nodeList,
+                                         const QList<QVariant> &data)
 {
-    // TODO
+    if (identifier == "open_effectmaker_composition" && data.count() > 0) {
+        const QString compositionPath = data[0].toString();
+        m_widget->effectMakerModel()->openComposition(compositionPath);
+    }
 }
 
 void EffectMakerView::modelAttached(QmlDesigner::Model *model)
diff --git a/src/plugins/effectmakernew/uniform.cpp b/src/plugins/effectmakernew/uniform.cpp
index c7e460e460e..be10cc7f421 100644
--- a/src/plugins/effectmakernew/uniform.cpp
+++ b/src/plugins/effectmakernew/uniform.cpp
@@ -6,13 +6,15 @@
 
 #include "propertyhandler.h"
 
+#include <modelnodeoperations.h>
+
 #include <QColor>
 #include <QJsonObject>
 #include <QVector2D>
 
 namespace EffectMaker {
 
-Uniform::Uniform(const QJsonObject &propObj, const QString &qenPath)
+Uniform::Uniform(const QString &effectName, const QJsonObject &propObj, const QString &qenPath)
     : m_qenPath(qenPath)
 {
     QString value, defaultValue, minValue, maxValue;
@@ -26,9 +28,11 @@ Uniform::Uniform(const QJsonObject &propObj, const QString &qenPath)
     if (m_displayName.isEmpty())
         m_displayName = m_name;
 
+    QString resPath;
     if (m_type == Type::Sampler) {
+        resPath = getResourcePath(effectName, defaultValue, qenPath);
         if (!defaultValue.isEmpty())
-            defaultValue = getResourcePath(defaultValue);
+            defaultValue = resPath;
         if (propObj.contains("enableMipmap"))
             m_enableMipmap = getBoolValue(propObj.value("enableMipmap"), false);
         // Update the mipmap property
@@ -39,7 +43,7 @@ Uniform::Uniform(const QJsonObject &propObj, const QString &qenPath)
     if (propObj.contains("value")) {
         value = propObj.value("value").toString();
         if (m_type == Type::Sampler)
-            value = getResourcePath(value);
+            value = resPath;
     } else {
         // QEN files don't store the current value, so with those use default value
         value = defaultValue;
@@ -166,15 +170,20 @@ bool Uniform::getBoolValue(const QJsonValue &jsonValue, bool defaultValue)
 
 // Returns the path for a shader resource
 // Used with sampler types
-QString Uniform::getResourcePath(const QString &value) const
+QString Uniform::getResourcePath(const QString &effectName, const QString &value, const QString &qenPath) const
 {
     QString filePath = value;
-    QDir dir(m_qenPath);
-    dir.cdUp();
-    QString absPath = dir.absoluteFilePath(filePath);
-    absPath = QDir::cleanPath(absPath);
-    absPath = QUrl::fromLocalFile(absPath).toString();
-    return absPath;
+    if (qenPath.isEmpty()) {
+        const Utils::FilePath effectsResDir = QmlDesigner::ModelNodeOperations::getEffectsImportDirectory();
+        return effectsResDir.pathAppended(effectName).pathAppended(value).toString();
+    } else {
+        QDir dir(m_qenPath);
+        dir.cdUp();
+        QString absPath = dir.absoluteFilePath(filePath);
+        absPath = QDir::cleanPath(absPath);
+        absPath = QUrl::fromLocalFile(absPath).toString();
+        return absPath;
+    }
 }
 
 // Validation and setting values
@@ -300,7 +309,7 @@ Uniform::Type Uniform::typeFromString(const QString &typeString)
         return Uniform::Type::Vec4;
     else if (typeString == "color")
         return Uniform::Type::Color;
-    else if (typeString == "image")
+    else if (typeString == "sampler2D" || typeString == "image") //TODO: change image to sample2D in all QENs
         return Uniform::Type::Sampler;
     else if (typeString == "define")
         return Uniform::Type::Define;
diff --git a/src/plugins/effectmakernew/uniform.h b/src/plugins/effectmakernew/uniform.h
index 8f14383bb4c..f5731af00a8 100644
--- a/src/plugins/effectmakernew/uniform.h
+++ b/src/plugins/effectmakernew/uniform.h
@@ -40,7 +40,7 @@ public:
         Define
     };
 
-    Uniform(const QJsonObject &props, const QString &qenPath);
+    Uniform(const QString &effectName, const QJsonObject &props, const QString &qenPath);
 
     Type type() const;
     QString typeName() const;
@@ -78,7 +78,7 @@ signals:
 private:
     QString mipmapPropertyName(const QString &name) const;
     bool getBoolValue(const QJsonValue &jsonValue, bool defaultValue);
-    QString getResourcePath(const QString &value) const;
+    QString getResourcePath(const QString &effectName, const QString &value, const QString &qenPath) const;
     void setValueData(const QString &value, const QString &defaultValue,
                       const QString &minValue, const QString &maxValue);
 
diff --git a/src/plugins/qmldesigner/components/assetslibrary/assetslibrarywidget.cpp b/src/plugins/qmldesigner/components/assetslibrary/assetslibrarywidget.cpp
index 48d10a34d20..a141c696978 100644
--- a/src/plugins/qmldesigner/components/assetslibrary/assetslibrarywidget.cpp
+++ b/src/plugins/qmldesigner/components/assetslibrary/assetslibrarywidget.cpp
@@ -13,6 +13,9 @@
 #include "qmldesignerplugin.h"
 #include "theme.h"
 
+#include <extensionsystem/pluginmanager.h>
+#include <extensionsystem/pluginspec.h>
+
 #include <studioquickwidget.h>
 
 #include <coreplugin/fileutils.h>
@@ -364,9 +367,22 @@ QSet<QString> AssetsLibraryWidget::supportedAssetSuffixes(bool complex)
     return suffixes;
 }
 
+bool isEffectMakerActivated()
+{
+    const QVector<ExtensionSystem::PluginSpec *> specs = ExtensionSystem::PluginManager::plugins();
+    return std::find_if(specs.begin(), specs.end(),
+                        [](ExtensionSystem::PluginSpec *spec) {
+                            return spec->name() == "EffectMakerNew" && spec->isEffectivelyEnabled();
+                        })
+           != specs.end();
+}
+
 void AssetsLibraryWidget::openEffectMaker(const QString &filePath)
 {
-    ModelNodeOperations::openEffectMaker(filePath);
+    if (isEffectMakerActivated())
+        m_assetsView->emitCustomNotification("open_effectmaker_composition", {}, {filePath});
+    else
+        ModelNodeOperations::openEffectMaker(filePath);
 }
 
 QString AssetsLibraryWidget::qmlSourcesPath()