[TagDisplayWidget] Refactor to just store tags and use signals (#6395)

cockatrice/src/interface/widgets/deck_editor/deck_editor_deck_dock_widget.cpp

@@ -154,8 +154,10 @@ void DeckEditorDeckDockWidget::createDeckDock()
             &DeckEditorDeckDockWidget::setBannerCard);
     bannerCardComboBox->setHidden(!SettingsCache::instance().getDeckEditorBannerCardComboBoxVisible());
 
-    deckTagsDisplayWidget = new DeckPreviewDeckTagsDisplayWidget(this, deckModel->getDeckList());
+    deckTagsDisplayWidget = new DeckPreviewDeckTagsDisplayWidget(this, deckModel->getDeckList()->getTags());
     deckTagsDisplayWidget->setHidden(!SettingsCache::instance().getDeckEditorTagsWidgetVisible());
+    connect(deckTagsDisplayWidget, &DeckPreviewDeckTagsDisplayWidget::tagsChanged, this,
+            &DeckEditorDeckDockWidget::setTags);
 
     activeGroupCriteriaLabel = new QLabel(this);
 
@@ -383,6 +385,13 @@ void DeckEditorDeckDockWidget::setBannerCard(int /* changedIndex */)
     emit deckModified();
 }
 
+void DeckEditorDeckDockWidget::setTags(const QStringList &tags)
+{
+    deckModel->getDeckList()->setTags(tags);
+    deckEditor->setModified(true);
+    emit deckModified();
+}
+
 void DeckEditorDeckDockWidget::syncDeckListBannerCardWithComboBox()
 {
     auto [name, id] = bannerCardComboBox->currentData().value<QPair<QString, QString>>();
@@ -451,7 +460,7 @@ void DeckEditorDeckDockWidget::syncDisplayWidgetsToModel()
     sortDeckModelToDeckView();
     expandAll();
 
-    deckTagsDisplayWidget->setDeckList(deckModel->getDeckList());
+    deckTagsDisplayWidget->setTags(deckModel->getDeckList()->getTags());
 }
 
 void DeckEditorDeckDockWidget::sortDeckModelToDeckView()
@@ -484,7 +493,7 @@ void DeckEditorDeckDockWidget::cleanDeck()
     emit deckModified();
     emit deckChanged();
     updateBannerCardComboBox();
-    deckTagsDisplayWidget->setDeckList(deckModel->getDeckList());
+    deckTagsDisplayWidget->setTags(deckModel->getDeckList()->getTags());
 }
 
 void DeckEditorDeckDockWidget::recursiveExpand(const QModelIndex &index)

cockatrice/src/interface/widgets/deck_editor/deck_editor_deck_dock_widget.h

@@ -112,6 +112,7 @@ private slots:
     void updateName(const QString &name);
     void updateComments();
     void setBannerCard(int);
+    void setTags(const QStringList &tags);
     void syncDeckListBannerCardWithComboBox();
     void updateHash();
     void refreshShortcuts();

cockatrice/src/interface/widgets/visual_deck_storage/deck_preview/deck_preview_deck_tags_display_widget.cpp

@@ -13,8 +13,8 @@
 #include <QHBoxLayout>
 #include <QMessageBox>
 
-DeckPreviewDeckTagsDisplayWidget::DeckPreviewDeckTagsDisplayWidget(QWidget *_parent, DeckList *_deckList)
-    : QWidget(_parent), deckList(nullptr)
+DeckPreviewDeckTagsDisplayWidget::DeckPreviewDeckTagsDisplayWidget(QWidget *_parent, const QStringList &_tags)
+    : QWidget(_parent), currentTags(_tags)
 {
 
     setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum);
@@ -27,16 +27,14 @@ DeckPreviewDeckTagsDisplayWidget::DeckPreviewDeckTagsDisplayWidget(QWidget *_par
 
     flowWidget = new FlowWidget(this, Qt::Horizontal, Qt::ScrollBarAlwaysOff, Qt::ScrollBarAsNeeded);
 
-    if (_deckList) {
-        setDeckList(_deckList);
-    }
-
     layout->addWidget(flowWidget);
+
+    refreshTags();
 }
 
-void DeckPreviewDeckTagsDisplayWidget::setDeckList(DeckList *_deckList)
+void DeckPreviewDeckTagsDisplayWidget::setTags(const QStringList &_tags)
 {
-    deckList = _deckList;
+    currentTags = _tags;
     refreshTags();
 }
 
@@ -44,7 +42,7 @@ void DeckPreviewDeckTagsDisplayWidget::refreshTags()
 {
     flowWidget->clearLayout();
 
-    for (const QString &tag : deckList->getTags()) {
+    for (const QString &tag : currentTags) {
         flowWidget->addWidget(new DeckPreviewTagDisplayWidget(this, tag));
     }
 
@@ -93,46 +91,19 @@ static QStringList findAllKnownTags()
 void DeckPreviewDeckTagsDisplayWidget::openTagEditDlg()
 {
     if (qobject_cast<DeckPreviewWidget *>(parentWidget())) {
+        // If we're the child of a DeckPreviewWidget, then we need to handle conversion
         auto *deckPreviewWidget = qobject_cast<DeckPreviewWidget *>(parentWidget());
 
         bool canAddTags = promptFileConversionIfRequired(deckPreviewWidget);
 
         if (canAddTags) {
             QStringList knownTags = deckPreviewWidget->visualDeckStorageWidget->tagFilterWidget->getAllKnownTags();
-            QStringList activeTags = deckList->getTags();
-
-            DeckPreviewTagDialog dialog(knownTags, activeTags);
-            if (dialog.exec() == QDialog::Accepted) {
-                QStringList updatedTags = dialog.getActiveTags();
-                deckList->setTags(updatedTags);
-                deckPreviewWidget->deckLoader->saveToFile(deckPreviewWidget->filePath, DeckLoader::CockatriceFormat);
-                refreshTags();
-            }
-        }
-    } else if (parentWidget()) {
-        // If we're the child of an AbstractTabDeckEditor, we are buried under a ton of childWidgets in the
-        // DeckInfoDock.
-        QWidget *currentParent = parentWidget();
-        while (currentParent) {
-            if (qobject_cast<AbstractTabDeckEditor *>(currentParent)) {
-                break;
-            }
-            currentParent = currentParent->parentWidget();
-        }
-        if (qobject_cast<AbstractTabDeckEditor *>(currentParent)) {
-            auto *deckEditor = qobject_cast<AbstractTabDeckEditor *>(currentParent);
-
-            QStringList knownTags = findAllKnownTags();
-            QStringList activeTags = deckList->getTags();
-
-            DeckPreviewTagDialog dialog(knownTags, activeTags);
-            if (dialog.exec() == QDialog::Accepted) {
-                QStringList updatedTags = dialog.getActiveTags();
-                deckList->setTags(updatedTags);
-                deckEditor->setModified(true);
-                refreshTags();
-            }
+            execTagDialog(knownTags);
         }
+    } else {
+        // If we're the child of an AbstractTabDeckEditor, then we don't bother with conversion
+        QStringList knownTags = findAllKnownTags();
+        execTagDialog(knownTags);
     }
 }
 
@@ -205,4 +176,16 @@ bool DeckPreviewDeckTagsDisplayWidget::promptFileConversionIfRequired(DeckPrevie
     }
 
     return true;
+}
+
+void DeckPreviewDeckTagsDisplayWidget::execTagDialog(const QStringList &knownTags)
+{
+    DeckPreviewTagDialog dialog(knownTags, currentTags);
+    if (dialog.exec() == QDialog::Accepted) {
+        QStringList updatedTags = dialog.getActiveTags();
+        if (updatedTags != currentTags) {
+            setTags(updatedTags);
+            emit tagsChanged(updatedTags);
+        }
+    }
 }

cockatrice/src/interface/widgets/visual_deck_storage/deck_preview/deck_preview_deck_tags_display_widget.h

@@ -17,12 +17,12 @@ class DeckPreviewDeckTagsDisplayWidget : public QWidget
 {
     Q_OBJECT
 
-    DeckList *deckList;
+    QStringList currentTags;
     FlowWidget *flowWidget;
 
 public:
-    explicit DeckPreviewDeckTagsDisplayWidget(QWidget *_parent, DeckList *_deckList);
-    void setDeckList(DeckList *_deckList);
+    explicit DeckPreviewDeckTagsDisplayWidget(QWidget *_parent, const QStringList &_tags);
+    void setTags(const QStringList &_tags);
     void refreshTags();
 
 public slots:
@@ -30,5 +30,13 @@ public slots:
 
 private:
     bool promptFileConversionIfRequired(DeckPreviewWidget *deckPreviewWidget);
+    void execTagDialog(const QStringList &knownTags);
+
+signals:
+    /**
+     * Emitted when the tags have changed due to user interaction.
+     * @param tags The new list of tags.
+     */
+    void tagsChanged(const QStringList &tags);
 };
 #endif // DECK_PREVIEW_DECK_TAGS_DISPLAY_WIDGET_H

cockatrice/src/interface/widgets/visual_deck_storage/deck_preview/deck_preview_widget.cpp

@@ -83,7 +83,8 @@ void DeckPreviewWidget::initializeUi(const bool deckLoadSuccess)
     setFilePath(deckLoader->getLastLoadInfo().fileName);
 
     colorIdentityWidget = new ColorIdentityWidget(this, getColorIdentity());
-    deckTagsDisplayWidget = new DeckPreviewDeckTagsDisplayWidget(this, deckLoader->getDeckList());
+    deckTagsDisplayWidget = new DeckPreviewDeckTagsDisplayWidget(this, deckLoader->getDeckList()->getTags());
+    connect(deckTagsDisplayWidget, &DeckPreviewDeckTagsDisplayWidget::tagsChanged, this, &DeckPreviewWidget::setTags);
 
     bannerCardLabel = new QLabel(this);
     bannerCardLabel->setObjectName("bannerCardLabel");
@@ -307,6 +308,12 @@ void DeckPreviewWidget::imageDoubleClickedEvent(QMouseEvent *event, DeckPreviewC
     emit deckLoadRequested(filePath);
 }
 
+void DeckPreviewWidget::setTags(const QStringList &tags)
+{
+    deckLoader->getDeckList()->setTags(tags);
+    deckLoader->saveToFile(filePath, DeckLoader::CockatriceFormat);
+}
+
 QMenu *DeckPreviewWidget::createRightClickMenu()
 {
     auto *menu = new QMenu(this);

cockatrice/src/interface/widgets/visual_deck_storage/deck_preview/deck_preview_widget.h

@@ -72,6 +72,8 @@ private:
     void addSetBannerCardMenu(QMenu *menu);
 
 private slots:
+    void setTags(const QStringList &tags);
+
     void actRenameDeck();
     void actRenameFile();
     void actDeleteFile();