add Symfony flex path for Twig templates #922

Author: Haehnchen

META-INF/plugin.xml

@@ -594,6 +594,7 @@
         <TwigNamespaceExtension implementation="fr.adrienbrault.idea.symfony2plugin.templating.path.ContainerTwigNamespaceExtension"/>
         <TwigNamespaceExtension implementation="fr.adrienbrault.idea.symfony2plugin.templating.path.GlobalAppTwigNamespaceExtension"/>
         <TwigNamespaceExtension implementation="fr.adrienbrault.idea.symfony2plugin.templating.path.BundleTwigNamespaceExtension"/>
+        <TwigNamespaceExtension implementation="fr.adrienbrault.idea.symfony2plugin.templating.path.FlexTwigNamespaceExtension"/>
 
         <ServiceCollector implementation="fr.adrienbrault.idea.symfony2plugin.dic.DefaultServiceCollector"/>
 

src/fr/adrienbrault/idea/symfony2plugin/templating/path/FlexTwigNamespaceExtension.java

@@ -0,0 +1,33 @@
+package fr.adrienbrault.idea.symfony2plugin.templating.path;
+
+import com.intellij.openapi.vfs.VfsUtil;
+import com.intellij.openapi.vfs.VirtualFile;
+import fr.adrienbrault.idea.symfony2plugin.extension.TwigNamespaceExtension;
+import fr.adrienbrault.idea.symfony2plugin.extension.TwigNamespaceExtensionParameter;
+import org.jetbrains.annotations.NotNull;
+;
+import java.util.Collection;
+import java.util.Collections;
+
+/**
+ * https://symfony.com/doc/current/setup/flex.html#upgrading-existing-applications-to-flex
+ *
+ * /templates
+ *
+ * @author Daniel Espendiller <daniel@espendiller.net>
+ */
+public class FlexTwigNamespaceExtension implements TwigNamespaceExtension {
+    @NotNull
+    @Override
+    public Collection<TwigPath> getNamespaces(@NotNull TwigNamespaceExtensionParameter parameter) {
+        VirtualFile templatesDirectory = VfsUtil.findRelativeFile(parameter.getProject().getBaseDir(), "templates");
+        if(templatesDirectory == null) {
+            return Collections.emptyList();
+        }
+
+        String path = templatesDirectory.getPath();
+        return Collections.singletonList(
+            new TwigPath(path, TwigPathIndex.MAIN, TwigPathIndex.NamespaceType.ADD_PATH)
+        );
+    }
+}