2023年6月2日18:28:13

src/main/java/com/zhangmeng/tools/controller/FileEditController.java

@@ -6,10 +6,14 @@ import com.zhangmeng.tools.components.RecursiveFileList;
 import com.zhangmeng.tools.languages.ProcessGO;
 import com.zhangmeng.tools.languages.ProcessJava;
 import com.zhangmeng.tools.utils.AlertUtils;
+import javafx.beans.property.SimpleIntegerProperty;
+import javafx.beans.value.ChangeListener;
+import javafx.beans.value.ObservableValue;
 import javafx.collections.FXCollections;
 import javafx.collections.ObservableList;
 import javafx.event.ActionEvent;
 import javafx.fxml.FXML;
+import javafx.scene.Node;
 import javafx.scene.control.SplitPane;
 import javafx.scene.control.Tab;
 import javafx.scene.control.TabPane;
@@ -25,17 +29,12 @@ import org.fxmisc.richtext.LineNumberFactory;
 import org.fxmisc.richtext.model.StyleSpans;
 import org.fxmisc.richtext.model.StyleSpansBuilder;
 
-import java.io.File;
+import java.io.*;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
 import java.net.URL;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
-import java.util.Collection;
+import java.nio.file.Path;
-import java.util.Collections;
+import java.util.*;
-import java.util.List;
-import java.util.Properties;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -49,6 +48,7 @@ import java.util.regex.Pattern;
 @Slf4j
 public class FileEditController {
 
+
     public enum Type {
 
         JAVA,
@@ -66,15 +66,14 @@ public class FileEditController {
     private TabPane tabPane = null;
 
     private static String path = null;
-    private final ObservableList<String> filePaths_list = FXCollections.observableArrayList();
+    private final ObservableList<Path> filePaths_list = FXCollections.observableArrayList();
+    private final SimpleIntegerProperty index = new SimpleIntegerProperty(0);
+    private static final Map<Integer,Tab> map = new HashMap<>();
 
     @FXML
     public void initialize() {
-
         //读取本地加载记录
         Properties s = config_path(false);
-
-
         recursiveFileList = new RecursiveFileList(null);
         tabPane = new TabPane();
         splitPane.getItems().add(0, recursiveFileList);
@@ -95,31 +94,76 @@ public class FileEditController {
         }
     }
 
+    //文件保存
+    @FXML
+    public void save_file_menu(ActionEvent event) {
+        writer_file();
+    }
+
+    public void writer_file(){
+        Tab selectedItem = tabPane.getSelectionModel().getSelectedItem();
+
+        int i = tabPane.getTabs().indexOf(selectedItem);
+        Path path = filePaths_list.get(i);
+        log.info("writer_file__path:"+ path.getFileName());
+
+        VirtualizedScrollPane virtualizedScrollPane = (VirtualizedScrollPane)selectedItem.getContent();
+        CodeArea codeArea = (CodeArea)virtualizedScrollPane.getContent();
+        String text = codeArea.getText();
+        try {
+            FileWriter writer = new FileWriter(path.toFile());
+            writer.write(text);
+            writer.close();
+        } catch (IOException ex) {
+            ex.printStackTrace();
+        }
+    }
+
+
     @FXML
     public void open_file_dir_menu(ActionEvent event) {
         open_file_dir();
     }
 
     public void open_file(File file, Type type) {
+        Path path = file.toPath();
+        if (filePaths_list.contains(path)) {//size -1 ,szie -2
+            //切换到一打开的tab
+            int i = filePaths_list.indexOf(path);
+            tabPane.getSelectionModel().select(i);
+        } else {
             CodeArea codeArea = new CodeArea();
             URL resource = this.getClass().getClassLoader().getResource("css/code.css");
             codeArea.getStylesheets().add(resource.toExternalForm());
             codeArea.setParagraphGraphicFactory(LineNumberFactory.get(codeArea));
             byte[] bytes = new byte[0];
+//        try {
+//            bytes = Files.readAllBytes(file.toPath());
+//        } catch (IOException e) {
+//            e.printStackTrace();
+//        }
+//        String file_content = new String(bytes, StandardCharsets.UTF_8);
+            String file_content = null;
             try {
-            bytes = Files.readAllBytes(file.toPath());
+                file_content = Files.readString(file.toPath(), StandardCharsets.UTF_8);
             } catch (IOException e) {
                 e.printStackTrace();
             }
-        String file_content = new String(bytes, StandardCharsets.UTF_8);
+
             codeArea.textProperty().addListener((obs, oldText, newText) -> {
                 codeArea.setStyleSpans(0, computeHighlighting(newText, type));
             });
             codeArea.replaceText(0, 0, file_content);
             Tab tab = new Tab(file.getName());
             tab.setContent(new VirtualizedScrollPane<>(codeArea));
-        tabPane.getTabs().add(tab);
+            filePaths_list.add(path);
+            int i = index.get();
+            map.put(i,tab);
+            tabPane.getTabs().add(i,tab);
             tabPane.getSelectionModel().select(tab);
+            i ++;
+            index.set(i);
+        }
     }
 
     public void open_file_dir() {
@@ -140,7 +184,7 @@ public class FileEditController {
         recursiveFileList = new RecursiveFileList(file);
         recursiveFileList.getSelectionModel().selectedItemProperty().addListener((observable, oldValue, newValue) -> {
             if (newValue.getValue().isFile()) {
-                file_checked(file);
+                file_checked(newValue.getValue());
             }
         });
 

src/main/resources/fxml/file-edit.fxml

@@ -16,7 +16,7 @@
                     <items>
                         <MenuItem mnemonicParsing="false" text="打开文件" onAction="#open_file_menu" />
                         <MenuItem mnemonicParsing="false" text="打开文件夹" onAction="#open_file_dir_menu" />
-                        <MenuItem mnemonicParsing="false" text="保存"/>
+                        <MenuItem mnemonicParsing="false" text="保存" onAction="#save_file_menu"/>
                     </items>
                 </Menu>
             </menus>