QmlDesigner: Disable Asset Library context menu when not needed

Assets Library context menus options are now enabled only when needed
and disabled otherwise. Also some renaming etc.

Task-number: QDS-4628
Change-Id: I5b2c4209f8389e51cf3f5e470bc14e5f9ffc1f29
Reviewed-by: Mahmoud Badri <mahmoud.badri@qt.io>
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@qt.io>

share/qtcreator/qmldesigner/itemLibraryQmlSources/Assets.qml

@@ -33,6 +33,7 @@ import StudioTheme 1.0 as StudioTheme
 
 Item {
     property var selectedAssets: ({})
+    property int allExpandedState: 0
 
     DropArea {
         id: dropArea
@@ -81,11 +82,13 @@ Item {
 
                 StudioControls.MenuItem {
                     text: qsTr("Expand All")
+                    enabled: allExpandedState !== 1
                     onTriggered: assetsModel.toggleExpandAll(true)
                 }
 
                 StudioControls.MenuItem {
                     text: qsTr("Collapse All")
+                    enabled: allExpandedState !== 2
                     onTriggered: assetsModel.toggleExpandAll(false)
                 }
             }
@@ -118,6 +121,7 @@ Item {
                         dirExpanded = !dirExpanded
                     }
                     onShowContextMenu: {
+                        allExpandedState = assetsModel.getAllExpandedState()
                         contextMenu.popup()
                     }
 

src/plugins/qmldesigner/components/itemlibrary/itemlibraryassetsmodel.cpp

@@ -44,14 +44,35 @@
 
 namespace QmlDesigner {
 
-void ItemLibraryAssetsModel::saveExpandedState(bool expanded, const QString &sectionName)
+void ItemLibraryAssetsModel::saveExpandedState(bool expanded, const QString &assetPath)
 {
-    m_expandedStateHash.insert(sectionName, expanded);
+    m_expandedStateHash.insert(assetPath, expanded);
 }
 
-bool ItemLibraryAssetsModel::loadExpandedState(const QString &sectionName)
+bool ItemLibraryAssetsModel::loadExpandedState(const QString &assetPath)
 {
-    return m_expandedStateHash.value(sectionName, true);
+    return m_expandedStateHash.value(assetPath, true);
+}
+
+ItemLibraryAssetsModel::DirExpandState ItemLibraryAssetsModel::getAllExpandedState() const
+{
+    const auto keys = m_expandedStateHash.keys();
+    bool allExpanded = true;
+    bool allCollapsed = true;
+    for (const QString &assetPath : keys) {
+        bool expanded = m_expandedStateHash.value(assetPath);
+
+        if (expanded)
+            allCollapsed = false;
+        if (!expanded)
+            allExpanded = false;
+
+        if (!allCollapsed && !allExpanded)
+            break;
+    }
+
+    return allExpanded ? DirExpandState::AllExpanded : allCollapsed ? DirExpandState::AllCollapsed
+           : DirExpandState::SomeExpanded;
 }
 
 void ItemLibraryAssetsModel::toggleExpandAll(bool expand)
@@ -200,6 +221,7 @@ void ItemLibraryAssetsModel::setRootPath(const QString &path)
 
             ItemLibraryAssetsDir *assetsDir = new ItemLibraryAssetsDir(subDir.path(), currDepth, loadExpandedState(subDir.path()), currAssetsDir);
             currAssetsDir->addDir(assetsDir);
+            saveExpandedState(loadExpandedState(assetsDir->dirPath()), assetsDir->dirPath());
             isEmpty &= parseDirRecursive(assetsDir, currDepth + 1);
         }
 

src/plugins/qmldesigner/components/itemlibrary/itemlibraryassetsmodel.h

@@ -69,10 +69,18 @@ public:
     const QSet<QString> &supportedSuffixes() const;
     const QSet<QString> &previewableSuffixes() const;
 
-    static void saveExpandedState(bool expanded, const QString &sectionName);
+    static void saveExpandedState(bool expanded, const QString &assetPath);
-    static bool loadExpandedState(const QString &sectionName);
+    static bool loadExpandedState(const QString &assetPath);
+
+    enum class DirExpandState {
+        SomeExpanded,
+        AllExpanded,
+        AllCollapsed
+    };
+    Q_ENUM(DirExpandState)
 
     Q_INVOKABLE void toggleExpandAll(bool expand);
+    Q_INVOKABLE DirExpandState getAllExpandedState() const;
 
 private:
     SynchronousImageCache &m_fontImageCache;
@@ -83,7 +91,7 @@ private:
     ItemLibraryAssetsDir *m_assetsDir = nullptr;
 
     QHash<int, QByteArray> m_roleNames;
-    inline static QHash<QString, bool> m_expandedStateHash;
+    inline static QHash<QString, bool> m_expandedStateHash; // <assetPath, isExpanded>
 };
 
 } // namespace QmlDesigner