[VDD] Add search bar for filters. (#6389)

* [VDD] Add search bar for filters.

* Update cockatrice/src/interface/widgets/visual_database_display/visual_database_display_filter_save_load_widget.cpp

Co-authored-by: RickyRister <42636155+RickyRister@users.noreply.github.com>

---------

Co-authored-by: RickyRister <42636155+RickyRister@users.noreply.github.com>

cockatrice/src/interface/widgets/visual_database_display/visual_database_display_filter_save_load_widget.cpp

@@ -18,6 +18,16 @@ VisualDatabaseDisplayFilterSaveLoadWidget::VisualDatabaseDisplayFilterSaveLoadWi
     layout = new QVBoxLayout(this);
     setLayout(layout);
 
+    // Filter search input
+    searchInput = new QLineEdit(this);
+    layout->addWidget(searchInput);
+
+    connect(searchInput, &QLineEdit::textChanged, this, &VisualDatabaseDisplayFilterSaveLoadWidget::applySearchFilter);
+
+    // File list container
+    fileListWidget = new FlowWidget(this, Qt::Horizontal, Qt::ScrollBarAlwaysOff, Qt::ScrollBarAsNeeded);
+    layout->addWidget(fileListWidget);
+
     // Input for filter filename
     filenameInput = new QLineEdit(this);
     layout->addWidget(filenameInput);
@@ -25,11 +35,12 @@ VisualDatabaseDisplayFilterSaveLoadWidget::VisualDatabaseDisplayFilterSaveLoadWi
     // Save button
     saveButton = new QPushButton(this);
     layout->addWidget(saveButton);
-    connect(saveButton, &QPushButton::clicked, this, &VisualDatabaseDisplayFilterSaveLoadWidget::saveFilter);
+    // Disable save if empty
+    saveButton->setEnabled(false);
+    connect(filenameInput, &QLineEdit::textChanged, this,
+            [this](const QString &text) { saveButton->setEnabled(!text.trimmed().isEmpty()); });
 
-    // File list container
+    connect(saveButton, &QPushButton::clicked, this, &VisualDatabaseDisplayFilterSaveLoadWidget::saveFilter);
-    fileListWidget = new FlowWidget(this, Qt::Horizontal, Qt::ScrollBarAlwaysOff, Qt::ScrollBarAsNeeded);
-    layout->addWidget(fileListWidget);
 
     refreshFilterList(); // Populate the file list on startup
     retranslateUi();
@@ -37,6 +48,7 @@ VisualDatabaseDisplayFilterSaveLoadWidget::VisualDatabaseDisplayFilterSaveLoadWi
 
 void VisualDatabaseDisplayFilterSaveLoadWidget::retranslateUi()
 {
+    searchInput->setPlaceholderText(tr("Search filter..."));
     saveButton->setText(tr("Save Filter"));
     saveButton->setToolTip(tr("Save all currently applied filters to a file"));
     filenameInput->setPlaceholderText(tr("Enter filename..."));
@@ -112,42 +124,36 @@ void VisualDatabaseDisplayFilterSaveLoadWidget::loadFilter(const QString &filena
     emit filterModel->layoutChanged();
 }
 
+void VisualDatabaseDisplayFilterSaveLoadWidget::applySearchFilter(const QString &text)
+{
+    fileListWidget->clearLayout();
+
+    QString filter = text.trimmed();
+    QStringList filtered = allFilterFiles;
+
+    if (!filter.isEmpty()) {
+        filtered = filtered.filter(QRegularExpression(filter, QRegularExpression::CaseInsensitiveOption));
+    }
+
+    for (const QString &filename : filtered) {
+        FilterDisplayWidget *filterWidget = new FilterDisplayWidget(this, filename, filterModel);
+        fileListWidget->addWidget(filterWidget);
+
+        connect(filterWidget, &FilterDisplayWidget::filterLoadRequested, this,
+                &VisualDatabaseDisplayFilterSaveLoadWidget::loadFilter);
+
+        connect(filterWidget, &FilterDisplayWidget::filterDeleted, this,
+                &VisualDatabaseDisplayFilterSaveLoadWidget::refreshFilterList);
+    }
+}
+
 void VisualDatabaseDisplayFilterSaveLoadWidget::refreshFilterList()
 {
     fileListWidget->clearLayout();
-    // Clear existing widgets
+    fileButtons.clear();
-    for (auto buttonPair : fileButtons) {
-        buttonPair.first->deleteLater();
-        buttonPair.second->deleteLater();
-    }
-    fileButtons.clear(); // Clear the list of buttons
 
-    // Refresh the filter file list
     QDir dir(SettingsCache::instance().getFiltersPath());
-    QStringList filterFiles = dir.entryList(QStringList() << "*.json", QDir::Files, QDir::Name);
+    allFilterFiles = dir.entryList({"*.json"}, QDir::Files, QDir::Name);
 
-    // Loop through the filter files and create widgets for them
+    applySearchFilter(searchInput->text());
-    for (const QString &filename : filterFiles) {
-        bool alreadyAdded = false;
-
-        // Check if the widget for this filter file already exists to avoid duplicates
-        for (const auto &pair : fileButtons) {
-            if (pair.first->text() == filename) {
-                alreadyAdded = true;
-                break;
-            }
-        }
-
-        if (!alreadyAdded) {
-            // Create a new custom widget for the filter
-            FilterDisplayWidget *filterWidget = new FilterDisplayWidget(this, filename, filterModel);
-            fileListWidget->addWidget(filterWidget);
-
-            // Connect signals to handle loading and deletion
-            connect(filterWidget, &FilterDisplayWidget::filterLoadRequested, this,
-                    &VisualDatabaseDisplayFilterSaveLoadWidget::loadFilter);
-            connect(filterWidget, &FilterDisplayWidget::filterDeleted, this,
-                    &VisualDatabaseDisplayFilterSaveLoadWidget::refreshFilterList);
-        }
-    }
 }

cockatrice/src/interface/widgets/visual_database_display/visual_database_display_filter_save_load_widget.h

@@ -27,6 +27,7 @@ public:
 
     void saveFilter();
     void loadFilter(const QString &filename);
+    void applySearchFilter(const QString &text);
     void refreshFilterList();
     void deleteFilter(const QString &filename, QPushButton *deleteButton);
 
@@ -37,9 +38,11 @@ private:
     FilterTreeModel *filterModel;
 
     QVBoxLayout *layout;
+    QLineEdit *searchInput;
+    FlowWidget *fileListWidget;
     QLineEdit *filenameInput;
     QPushButton *saveButton;
-    FlowWidget *fileListWidget;
+    QStringList allFilterFiles;
 
     QMap<QString, QPair<QPushButton *, QPushButton *>> fileButtons;
 };