From 6d83094c6119365ce6615a33a256b6c22db18b8b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vojt=C4=9Bch=20Kr=C3=A1sa?= <vojta.krasa@gmail.com>
Date: Mon, 20 Apr 2020 18:50:02 +0200
Subject: [PATCH] Fixes #237 Remember file extension in export dialog

---
 META-INF/plugin.xml                                   |  1 +
 .../idea/action/AbstractSaveDiagramAction.java        | 11 +++++++++--
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/META-INF/plugin.xml b/META-INF/plugin.xml
index ccc11336..b6d67b49 100644
--- a/META-INF/plugin.xml
+++ b/META-INF/plugin.xml
@@ -13,6 +13,7 @@
             <ul>
               <li>PlantUml library upgrade to v1.2020.7</li>
               <li>Render URL links fix</li>
+              <li>Remember file extension in export dialog</li>
             </ul>    
             <p>2.23</p>
             <ul>
diff --git a/src/org/plantuml/idea/action/AbstractSaveDiagramAction.java b/src/org/plantuml/idea/action/AbstractSaveDiagramAction.java
index 25d994bb..ac3e2471 100644
--- a/src/org/plantuml/idea/action/AbstractSaveDiagramAction.java
+++ b/src/org/plantuml/idea/action/AbstractSaveDiagramAction.java
@@ -19,6 +19,7 @@
 import com.intellij.openapi.vfs.LocalFileSystem;
 import com.intellij.openapi.vfs.VirtualFile;
 import com.intellij.openapi.vfs.VirtualFileWrapper;
+import com.intellij.util.ArrayUtil;
 import com.intellij.util.PathUtilRt;
 import org.apache.commons.lang.StringUtils;
 import org.jetbrains.annotations.NotNull;
@@ -102,7 +103,7 @@ public void actionPerformed(@NotNull AnActionEvent e) {
                     lastDir = LocalFileSystem.getInstance().refreshAndFindFileByIoFile(parentDir);
                     logger.info("lastDir set to " + lastDir);
                 }
-                                
+
                 String[] tokens = file.getAbsolutePath().split("\\.(?=[^\\.]+$)");
                 String base = tokens[0];
                 String extension;
@@ -113,7 +114,13 @@ public void actionPerformed(@NotNull AnActionEvent e) {
                 } else {
                     extension = tokens[1];
                 }
-
+                for (int i = 0; i < extensions.length; i++) {
+                    String s = extensions[i];
+                    if (s.equals(extension)) {
+                        ArrayUtil.swap(extensions, 0, i);
+                        break;
+                    }
+                }
 
                 PlantUml.ImageFormat imageFormat;
                 try {