🚩 完善文件图标支持

src/main/java/org/jcnc/jnotepad/util/FileUtil.java

@@ -1,5 +1,6 @@
 package org.jcnc.jnotepad.util;
 
+import javafx.scene.Node;
 import org.jcnc.jnotepad.controller.event.handler.menuitem.OpenFile;
 import org.jcnc.jnotepad.controller.exception.AppException;
 import org.jcnc.jnotepad.model.entity.DirFileModel;
@@ -287,5 +288,26 @@ public class FileUtil {
             throw new AppException(e);
         }
     }
+
+
+    /**
+     * Retrieves the icon corresponding to the given file name.
+     *
+     * @param tabTitle the title of the tab
+     * @return the icon node corresponding to the file name
+     */
+    public static Node getIconCorrespondingToFileName(String tabTitle) {
+        // todo 在此根据文件缀名获取对应的图标
+        String fileExtension = tabTitle.substring(tabTitle.lastIndexOf(".") + 1);
+        return switch (fileExtension.toLowerCase()) {
+            case "txt" -> FontIcon.of(FILE_TEXT);
+            case "doc" -> FontIcon.of(FILE_WORD);
+            case "pdf" -> FontIcon.of(FILE_PDF);
+            case "ppt" -> FontIcon.of(FILE_PPT);
+            case "xls" -> FontIcon.of(FILE_EXCEL);
+            case "md" -> FontIcon.of(FILE_MARKDOWN);
+            default -> FontIcon.of(FILE_UNKNOWN);
+        };
+    }
 }
 

src/main/java/org/jcnc/jnotepad/views/manager/CenterTabPaneManager.java

@@ -182,7 +182,13 @@ public class CenterTabPaneManager {
      * @param currTab the current tab
      */
     public void removeOtherTabs(CenterTab currTab) {
-        centerTabPane.getTabs().removeIf(tab -> (!currTab.equals(tab) || !((CenterTab) tab).isFixed()));
+        centerTabPane.getTabs().removeIf(tab -> {
+            CenterTab centerTab = (CenterTab) tab;
+            if (centerTab.equals(currTab)) {
+                return false;
+            }
+            return !centerTab.isFixed() && !centerTab.equals(currTab);
+        });
     }
 
     /**

src/main/java/org/jcnc/jnotepad/views/root/center/main/center/tab/CenterTab.java

@@ -6,6 +6,7 @@ import javafx.scene.control.Tab;
 import org.fxmisc.flowless.VirtualizedScrollPane;
 import org.jcnc.jnotepad.component.module.TextCodeArea;
 import org.jcnc.jnotepad.controller.config.UserConfigController;
+import org.jcnc.jnotepad.util.FileUtil;
 import org.jcnc.jnotepad.util.LogUtil;
 import org.jcnc.jnotepad.util.TabUtil;
 import org.jcnc.jnotepad.views.manager.BottomStatusBoxManager;
@@ -56,6 +57,8 @@ public class CenterTab extends Tab {
 
     public CenterTab(String tabTitle, TextCodeArea textArea, Charset charset) {
         super(tabTitle);
+        // 在此根据标签页名称设置文件图标
+        this.setGraphic(FileUtil.getIconCorrespondingToFileName(tabTitle));
         textCodeArea = textArea;
         initTextAreaListeners();
         this.setContent(new VirtualizedScrollPane<>(textCodeArea));