Implement GotoDeclarationHandler for TCA table fields

Author: cedricziel

src/main/java/com/cedricziel/idea/typo3/tca/codeInsight/navigation/TablenameGotoDeclarationHandler.java

@@ -0,0 +1,34 @@
+package com.cedricziel.idea.typo3.tca.codeInsight.navigation;
+
+import com.cedricziel.idea.typo3.util.TCAUtil;
+import com.intellij.codeInsight.navigation.actions.GotoDeclarationHandler;
+import com.intellij.openapi.actionSystem.DataContext;
+import com.intellij.openapi.editor.Editor;
+import com.intellij.psi.PsiElement;
+import org.jetbrains.annotations.Nullable;
+
+import static com.cedricziel.idea.typo3.util.TableUtil.getExtTablesSqlFilesForTable;
+
+public class TablenameGotoDeclarationHandler implements GotoDeclarationHandler {
+    @Nullable
+    @Override
+    public PsiElement[] getGotoDeclarationTargets(@Nullable PsiElement sourceElement, int offset, Editor editor) {
+
+        if (!isTablenameTcaField(sourceElement)) {
+            return new PsiElement[0];
+        }
+
+        return getExtTablesSqlFilesForTable(sourceElement.getText(), sourceElement.getProject());
+    }
+
+    @Nullable
+    @Override
+    public String getActionText(DataContext context) {
+        return null;
+    }
+
+    private boolean isTablenameTcaField(PsiElement psiElement) {
+
+        return TCAUtil.arrayIndexIsTCATableNameField(psiElement);
+    }
+}

src/main/java/com/cedricziel/idea/typo3/util/TableUtil.java

@@ -4,12 +4,15 @@
 import com.intellij.codeInsight.lookup.LookupElement;
 import com.intellij.openapi.fileEditor.impl.LoadTextUtil;
 import com.intellij.openapi.project.Project;
+import com.intellij.psi.PsiElement;
 import com.intellij.psi.PsiFile;
 import com.intellij.psi.search.FilenameIndex;
 import com.intellij.psi.search.GlobalSearchScope;
 import org.jetbrains.annotations.NotNull;
 
+import java.util.Arrays;
 import java.util.HashSet;
+import java.util.Objects;
 import java.util.Set;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
@@ -50,6 +53,17 @@ public static Set<String> getAvailableTableNames(@NotNull Project project) {
         return tableNames;
     }
 
+    public static PsiElement[] getExtTablesSqlFilesForTable(@NotNull String tableName, @NotNull Project project) {
+        PsiFile[] extSqlFiles = FilenameIndex.getFilesByName(project, EXT_TABLES_SQL_FILENAME, GlobalSearchScope.allScope(project));
+
+        return Arrays
+                .stream(extSqlFiles)
+                .filter(Objects::nonNull)
+                .filter(file -> LoadTextUtil.loadText(file.getVirtualFile()).toString().contains(tableName))
+                .map(file -> file.findElementAt(LoadTextUtil.loadText(file.getVirtualFile()).toString().indexOf(tableName)))
+                .toArray(PsiElement[]::new);
+    }
+
     public static void completeAvailableTableNames(@NotNull Project project, @NotNull CompletionResultSet completionResultSet) {
         for (String name : TableUtil.getAvailableTableNames(project)) {
             completionResultSet.addElement(new LookupElement() {

src/main/resources/META-INF/plugin.xml

@@ -298,8 +298,9 @@ It is a great inspiration for possible solutions and parts of the code.</p>
         <!-- inspections -->
         <inspectionToolProvider implementation="com.cedricziel.idea.typo3.codeInspection.TYPO3InspectionToolProvider"/>
 
-        <!-- got handlers -->
+        <!-- goto handlers -->
         <gotoDeclarationHandler implementation="com.cedricziel.idea.typo3.codeInsight.navigation.PathResourceGotoDeclarationHandler"/>
+        <gotoDeclarationHandler implementation="com.cedricziel.idea.typo3.tca.codeInsight.navigation.TablenameGotoDeclarationHandler"/>
     </extensions>
 
     <extensions defaultExtensionNs="com.jetbrains.php">