From 8ce07ce9a4034fdc959d280dd38ecb3e05cbe6e1 Mon Sep 17 00:00:00 2001
From: 张世豪 <979909237@qq.com>
Date: 星期三, 17 十二月 2025 16:40:11 +0800
Subject: [PATCH] 重新设计了障碍物的绘制逻辑

---
 src/zhangaiwu/AddDikuai.java |  659 +++++++++++++++++++++++++++++++++++++++++++++++------------
 1 files changed, 521 insertions(+), 138 deletions(-)

diff --git a/src/zhangaiwu/AddDikuai.java b/src/zhangaiwu/AddDikuai.java
index 4feafe5..02ac96d 100644
--- a/src/zhangaiwu/AddDikuai.java
+++ b/src/zhangaiwu/AddDikuai.java
@@ -14,21 +14,25 @@
 import java.util.Collections;
 import java.util.Date;
 import java.util.HashMap;
+import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;
+import java.util.Comparator;
 import java.awt.geom.Point2D;
 
+import baseStation.BaseStation;
 import bianjie.jisuanmianjie;
 import dikuai.Dikuai;
 import dikuai.Dikuaiguanli;
-import gecaoji.Device;
 import bianjie.bianjieguihua2;
 import lujing.Lunjingguihua;
+import set.Setsys;
 import ui.UIConfig;
 import zhuye.MowerLocationData;
 import zhuye.Shouye;
 import zhuye.Coordinate;
+import zhuye.buttonset;
 
 /**
  * 鏂板鍦板潡瀵硅瘽妗� - 澶氭楠よ〃鍗曡璁�
@@ -48,6 +52,9 @@
     private final Color LIGHT_TEXT = new Color(108, 117, 125);
     private final Color BORDER_COLOR = new Color(222, 226, 230);
     private final Color SUCCESS_COLOR = new Color(40, 167, 69);
+    private final Color ERROR_COLOR = new Color(220, 53, 69);
+    private static final String KEY_PATH_MESSAGE_TEXT = "__pathMessageText";
+    private static final String KEY_PATH_MESSAGE_SUCCESS = "__pathMessageSuccess";
     
     // 姝ラ闈㈡澘
     private JPanel mainPanel;
@@ -67,8 +74,12 @@
     private JButton prevButton;
     private JButton nextButton;
     private JButton createButton;
+    private JButton previewButton;
+    private Component previewButtonSpacer;
     private JLabel boundaryCountLabel;
     private JPanel obstacleListContainer;
+    private JTextArea pathGenerationMessageArea;
+    private JPanel pathMessageWrapper;
     
     // 鍦板潡鏁版嵁
     private Map<String, String> dikuaiData = new HashMap<>();
@@ -281,10 +292,6 @@
         formGroup.add(areaNameField);
         formGroup.add(Box.createRigidArea(new Dimension(0, 8)));
         formGroup.add(hintLabel);
-
-    formGroup.add(Box.createRigidArea(new Dimension(0, 20)));
-    JPanel obstacleSection = createObstacleSummarySection();
-    formGroup.add(obstacleSection);
         
         stepPanel.add(formGroup);
         stepPanel.add(Box.createVerticalGlue());
@@ -362,93 +369,105 @@
 
     private List<ObstacleSummary> loadExistingObstacles() {
         List<ObstacleSummary> summaries = new ArrayList<>();
+        List<ExistingObstacle> obstacles = fetchExistingObstacleDetails();
 
-        String landNumber = getPendingLandNumber();
-        String raw = null;
-        if (landNumber != null) {
-            Dikuai dikuai = Dikuai.getDikuai(landNumber);
-            if (dikuai != null) {
-                raw = normalizeCoordinateValue(dikuai.getObstacleCoordinates());
-            }
-        }
-        if (raw == null) {
-            raw = normalizeCoordinateValue(dikuaiData.get("obstacleCoordinates"));
-        }
-        if (!isMeaningfulValue(raw)) {
+        if (obstacles.isEmpty()) {
             return summaries;
         }
 
-        String normalized = stripInlineComment(raw);
-        if (normalized.isEmpty()) {
-            return summaries;
-        }
-
-        List<String> entries = splitObstacleEntries(normalized);
-        int defaultIndex = 1;
-
-        for (String entry : entries) {
-            String trimmedEntry = stripInlineComment(entry);
-            if (trimmedEntry.isEmpty()) {
+        for (ExistingObstacle obstacle : obstacles) {
+            if (obstacle == null) {
                 continue;
             }
-
-            String nameToken = null;
-            String shapeToken = null;
-            String coordsSection = trimmedEntry;
-
-            if (trimmedEntry.contains("::")) {
-                String[] parts = trimmedEntry.split("::", 3);
-                if (parts.length == 3) {
-                    nameToken = parts[0].trim();
-                    shapeToken = parts[1].trim();
-                    coordsSection = parts[2].trim();
-                }
-            } else if (trimmedEntry.contains("@")) {
-                String[] parts = trimmedEntry.split("@", 3);
-                if (parts.length == 3) {
-                    nameToken = parts[0].trim();
-                    shapeToken = parts[1].trim();
-                    coordsSection = parts[2].trim();
-                } else if (parts.length == 2) {
-                    shapeToken = parts[0].trim();
-                    coordsSection = parts[1].trim();
-                }
-            } else if (trimmedEntry.contains(":")) {
-                String[] parts = trimmedEntry.split(":", 3);
-                if (parts.length == 3) {
-                    nameToken = parts[0].trim();
-                    shapeToken = parts[1].trim();
-                    coordsSection = parts[2].trim();
-                } else if (parts.length == 2) {
-                    if (looksLikeShapeToken(parts[0])) {
-                        shapeToken = parts[0].trim();
-                        coordsSection = parts[1].trim();
-                    } else {
-                        nameToken = parts[0].trim();
-                        coordsSection = parts[1].trim();
-                    }
-                }
-            }
-
-            String sanitizedCoords = sanitizeCoordinateString(coordsSection);
-            if (!isMeaningfulValue(sanitizedCoords)) {
+            String name = obstacle.getName();
+            if (!isMeaningfulValue(name)) {
                 continue;
             }
-
-            String resolvedName;
-            if (nameToken != null && !nameToken.isEmpty()) {
-                resolvedName = nameToken;
-            } else {
-                resolvedName = "闅滅鐗�" + defaultIndex++;
-            }
-
-            String displayCoords = truncateCoordinateForDisplay(sanitizedCoords, 12);
-            summaries.add(new ObstacleSummary(resolvedName, sanitizedCoords, displayCoords));
+            String coords = obstacle.getDisplayCoordinates();
+            String fullCoords = isMeaningfulValue(coords) ? coords.trim() : "";
+            String preview = buildCoordinatePreview(fullCoords, 20);
+            summaries.add(new ObstacleSummary(name.trim(), fullCoords, preview));
         }
 
         return summaries;
     }
 
+    private List<ExistingObstacle> fetchExistingObstacleDetails() {
+        File configFile = new File("Obstacledge.properties");
+        if (!configFile.exists()) {
+            return Collections.emptyList();
+        }
+
+        List<ExistingObstacle> result = new ArrayList<>();
+        try {
+            Obstacledge.ConfigManager manager = new Obstacledge.ConfigManager();
+            if (!manager.loadFromFile(configFile.getAbsolutePath())) {
+                return Collections.emptyList();
+            }
+
+            for (Obstacledge.Plot plot : manager.getPlots()) {
+                if (plot == null) {
+                    continue;
+                }
+                String landNumber = isMeaningfulValue(plot.getPlotId()) ? plot.getPlotId().trim() : "";
+                List<Obstacledge.Obstacle> plotObstacles = plot.getObstacles();
+                if (plotObstacles == null || plotObstacles.isEmpty()) {
+                    continue;
+                }
+                for (Obstacledge.Obstacle obstacle : plotObstacles) {
+                    if (obstacle == null) {
+                        continue;
+                    }
+                    String name = obstacle.getObstacleName();
+                    if (!isMeaningfulValue(name)) {
+                        continue;
+                    }
+                    String coords = extractObstacleCoordinates(obstacle);
+                    result.add(new ExistingObstacle(landNumber, name.trim(), coords));
+                }
+            }
+        } catch (Exception ex) {
+            System.err.println("鍔犺浇宸叉湁闅滅鐗╁け璐�: " + ex.getMessage());
+            return Collections.emptyList();
+        }
+
+        if (result.isEmpty()) {
+            return Collections.emptyList();
+        }
+
+        result.sort(Comparator.comparing(ExistingObstacle::getName, String.CASE_INSENSITIVE_ORDER));
+        return result;
+    }
+
+    private String extractObstacleCoordinates(Obstacledge.Obstacle obstacle) {
+        if (obstacle == null) {
+            return "";
+        }
+        String xy = obstacle.getXyCoordsString();
+        if (isMeaningfulValue(xy)) {
+            return xy.trim();
+        }
+        String original = obstacle.getOriginalCoordsString();
+        if (isMeaningfulValue(original)) {
+            return original.trim();
+        }
+        return "";
+    }
+
+    private String buildCoordinatePreview(String coords, int keepLength) {
+        if (!isMeaningfulValue(coords)) {
+            return "鏃犲潗鏍�";
+        }
+        String sanitized = sanitizeCoordinateString(coords);
+        if (sanitized.length() <= keepLength) {
+            return sanitized;
+        }
+        if (keepLength <= 0) {
+            return "...";
+        }
+        return sanitized.substring(0, keepLength) + "...";
+    }
+
     private List<String> splitObstacleEntries(String data) {
         List<String> entries = new ArrayList<>();
         if (data.indexOf('|') >= 0) {
@@ -543,6 +562,30 @@
             return displayCoords;
         }
     }
+
+    private static final class ExistingObstacle {
+        private final String landNumber;
+        private final String name;
+        private final String coordinates;
+
+        ExistingObstacle(String landNumber, String name, String coordinates) {
+            this.landNumber = landNumber != null ? landNumber : "";
+            this.name = name != null ? name : "";
+            this.coordinates = coordinates != null ? coordinates : "";
+        }
+
+        String getLandNumber() {
+            return landNumber;
+        }
+
+        String getName() {
+            return name;
+        }
+
+        String getDisplayCoordinates() {
+            return coordinates;
+        }
+    }
     
     private JPanel createStep2Panel() {
         JPanel stepPanel = new JPanel();
@@ -696,8 +739,9 @@
                 if (!optionPanel.isEnabled()) {
                     return;
                 }
-                selectDrawingOption(optionPanel, type);
-                startEndDrawingBtn.setEnabled(true); // 閫夋嫨鍚庡惎鐢ㄦ寜閽�
+                if (selectDrawingOption(optionPanel, type, true)) {
+                    startEndDrawingBtn.setEnabled(true); // 閫夋嫨鍚庡惎鐢ㄦ寜閽�
+                }
             }
             
             @Override
@@ -719,7 +763,15 @@
         return optionPanel;
     }
     
-    private void selectDrawingOption(JPanel optionPanel, String type) {
+    private boolean selectDrawingOption(JPanel optionPanel, String type, boolean userTriggered) {
+        if (optionPanel == null) {
+            return false;
+        }
+        if (userTriggered && "handheld".equalsIgnoreCase(type) && !hasConfiguredHandheldMarker()) {
+            JOptionPane.showMessageDialog(this, "璇峰厛娣诲姞渚挎惡鎵撶偣鍣ㄧ紪鍙�", "鎻愮ず", JOptionPane.WARNING_MESSAGE);
+            return false;
+        }
+
         // 閲嶇疆涔嬪墠閫変腑鐨勯�夐」
         if (selectedOptionPanel != null) {
             selectedOptionPanel.setBorder(BorderFactory.createLineBorder(BORDER_COLOR, 2));
@@ -729,7 +781,7 @@
                 ((JLabel) oldTitle).setForeground(TEXT_COLOR);
             }
         }
-        
+
         // 璁剧疆鏂扮殑閫変腑鐘舵��
         optionPanel.setBorder(BorderFactory.createLineBorder(PRIMARY_COLOR, 3));
         optionPanel.setBackground(PRIMARY_LIGHT);
@@ -738,9 +790,15 @@
             ((JLabel) titleObj).setForeground(PRIMARY_COLOR);
         }
         selectedOptionPanel = optionPanel;
-        
+
         // 淇濆瓨閫夋嫨
         dikuaiData.put("drawingMethod", type);
+        return true;
+    }
+
+    private boolean hasConfiguredHandheldMarker() {
+        String handheldId = Setsys.getPropertyValue("handheldMarkerId");
+        return handheldId != null && !handheldId.trim().isEmpty();
     }
     
     private void toggleDrawing() {
@@ -930,6 +988,29 @@
 
         stepPanel.add(Box.createRigidArea(new Dimension(0, 20)));
         stepPanel.add(generatePathButton);
+        stepPanel.add(Box.createRigidArea(new Dimension(0, 12)));
+
+        pathMessageWrapper = new JPanel(new BorderLayout());
+        pathMessageWrapper.setAlignmentX(Component.LEFT_ALIGNMENT);
+        pathMessageWrapper.setBackground(PRIMARY_LIGHT);
+        pathMessageWrapper.setBorder(BorderFactory.createCompoundBorder(
+            BorderFactory.createLineBorder(PRIMARY_COLOR, 1),
+            BorderFactory.createEmptyBorder(12, 12, 12, 12)
+        ));
+        pathMessageWrapper.setVisible(false);
+
+        pathGenerationMessageArea = new JTextArea();
+        pathGenerationMessageArea.setFont(new Font("寰蒋闆呴粦", Font.PLAIN, 14));
+        pathGenerationMessageArea.setForeground(TEXT_COLOR);
+        pathGenerationMessageArea.setOpaque(false);
+        pathGenerationMessageArea.setEditable(false);
+        pathGenerationMessageArea.setLineWrap(true);
+        pathGenerationMessageArea.setWrapStyleWord(true);
+        pathGenerationMessageArea.setFocusable(false);
+        pathGenerationMessageArea.setBorder(null);
+
+        pathMessageWrapper.add(pathGenerationMessageArea, BorderLayout.CENTER);
+        stepPanel.add(pathMessageWrapper);
         stepPanel.add(Box.createVerticalGlue());
 
         return stepPanel;
@@ -989,6 +1070,9 @@
     private void generateMowingPath() {
         if (!dikuaiData.containsKey("boundaryDrawn")) {
             JOptionPane.showMessageDialog(this, "璇峰厛瀹屾垚杈圭晫缁樺埗鍚庡啀鐢熸垚璺緞", "鎻愮ず", JOptionPane.WARNING_MESSAGE);
+            dikuaiData.remove("plannedPath");
+            showPathGenerationMessage("璇峰厛瀹屾垚杈圭晫缁樺埗鍚庡啀鐢熸垚璺緞銆�", false);
+            setPathAvailability(false);
             showStep(2);
             return;
         }
@@ -1002,15 +1086,16 @@
         }
         if (boundaryCoords == null) {
             JOptionPane.showMessageDialog(this, "鏈壘鍒版湁鏁堢殑鍦板潡杈圭晫鍧愭爣锛屾棤娉曠敓鎴愯矾寰�", "鎻愮ず", JOptionPane.WARNING_MESSAGE);
-            if (createButton != null) {
-                createButton.setEnabled(false);
-            }
+            dikuaiData.remove("plannedPath");
+            showPathGenerationMessage("鏈壘鍒版湁鏁堢殑鍦板潡杈圭晫鍧愭爣锛屾棤娉曠敓鎴愯矾寰勩��", false);
+            setPathAvailability(false);
             return;
         }
 
         String obstacleCoords = null;
-        if (dikuai != null) {
-            obstacleCoords = normalizeCoordinateValue(dikuai.getObstacleCoordinates());
+        String landNumber = getPendingLandNumber();
+        if (isMeaningfulValue(landNumber)) {
+            obstacleCoords = normalizeCoordinateValue(resolveObstaclePayloadFromConfig(landNumber));
         }
         if (obstacleCoords == null) {
             obstacleCoords = normalizeCoordinateValue(dikuaiData.get("obstacleCoordinates"));
@@ -1022,17 +1107,17 @@
         Object widthObj = mowingWidthSpinner.getValue();
         if (!(widthObj instanceof Number)) {
             JOptionPane.showMessageDialog(this, "鍓茶崏瀹藉害杈撳叆鏃犳晥", "鎻愮ず", JOptionPane.WARNING_MESSAGE);
-            if (createButton != null) {
-                createButton.setEnabled(false);
-            }
+            dikuaiData.remove("plannedPath");
+            showPathGenerationMessage("鍓茶崏瀹藉害杈撳叆鏃犳晥锛岃閲嶆柊杈撳叆銆�", false);
+            setPathAvailability(false);
             return;
         }
         double widthCm = ((Number) widthObj).doubleValue();
         if (widthCm <= 0) {
             JOptionPane.showMessageDialog(this, "鍓茶崏瀹藉害蹇呴』澶т簬0", "鎻愮ず", JOptionPane.WARNING_MESSAGE);
-            if (createButton != null) {
-                createButton.setEnabled(false);
-            }
+            dikuaiData.remove("plannedPath");
+            showPathGenerationMessage("鍓茶崏瀹藉害蹇呴』澶т簬0锛岃閲嶆柊璁剧疆銆�", false);
+            setPathAvailability(false);
             return;
         }
         dikuaiData.put("mowingWidth", widthObj.toString());
@@ -1050,46 +1135,152 @@
             String plannedPath = Lunjingguihua.formatPathSegments(segments);
             if (!isMeaningfulValue(plannedPath)) {
                 JOptionPane.showMessageDialog(this, "鐢熸垚鍓茶崏璺緞澶辫触: 鐢熸垚缁撴灉涓虹┖", "閿欒", JOptionPane.ERROR_MESSAGE);
-                if (createButton != null) {
-                    createButton.setEnabled(false);
-                }
+                dikuaiData.remove("plannedPath");
+                showPathGenerationMessage("鐢熸垚鍓茶崏璺緞澶辫触锛氱敓鎴愮粨鏋滀负绌恒��", false);
+                setPathAvailability(false);
                 return;
             }
-            dikuaiData.put("plannedPath", plannedPath);
-            if (createButton != null) {
-                createButton.setEnabled(true);
+            if (isMeaningfulValue(boundaryCoords)) {
+                dikuaiData.put("boundaryCoordinates", boundaryCoords);
             }
-            JOptionPane.showMessageDialog(this,
-                "宸叉牴鎹綋鍓嶈缃敓鎴愬壊鑽夎矾寰勶紝鍏辩敓鎴� " + segments.size() + " 娈点��",
-                "鎴愬姛",
-                JOptionPane.INFORMATION_MESSAGE);
+            if (isMeaningfulValue(obstacleCoords)) {
+                dikuaiData.put("obstacleCoordinates", obstacleCoords);
+            }
+            dikuaiData.put("plannedPath", plannedPath);
+            setPathAvailability(true);
+            showPathGenerationMessage(
+                "宸叉牴鎹綋鍓嶈缃敓鎴愬壊鑽夎矾寰勶紝鍏辩敓鎴� " + segments.size() + " 娈点�俓n鐐瑰嚮鈥滈瑙堚�濇寜閽彲鍦ㄤ富椤甸潰鏌ョ湅鏁堟灉銆�",
+                true);
         } catch (IllegalArgumentException ex) {
             JOptionPane.showMessageDialog(this, "鐢熸垚鍓茶崏璺緞澶辫触: " + ex.getMessage(), "閿欒", JOptionPane.ERROR_MESSAGE);
-            if (createButton != null) {
-                createButton.setEnabled(false);
-            }
+            dikuaiData.remove("plannedPath");
+            showPathGenerationMessage("鐢熸垚鍓茶崏璺緞澶辫触锛�" + ex.getMessage(), false);
+            setPathAvailability(false);
         } catch (Exception ex) {
             ex.printStackTrace();
             JOptionPane.showMessageDialog(this, "鐢熸垚鍓茶崏璺緞鏃跺彂鐢熷紓甯�: " + ex.getMessage(), "閿欒", JOptionPane.ERROR_MESSAGE);
-            if (createButton != null) {
-                createButton.setEnabled(false);
+            dikuaiData.remove("plannedPath");
+            showPathGenerationMessage("鐢熸垚鍓茶崏璺緞鏃跺彂鐢熷紓甯革細" + ex.getMessage(), false);
+            setPathAvailability(false);
+        }
+    }
+
+    private void previewMowingPath() {
+        if (!hasGeneratedPath()) {
+            showPathGenerationMessage("璇峰厛鐢熸垚鍓茶崏璺緞鍚庡啀棰勮銆�", false);
+            setPathAvailability(false);
+            return;
+        }
+
+        persistStep3Inputs();
+
+        String landNumber = getPendingLandNumber();
+        String trimmedAreaName = areaNameField.getText() != null ? areaNameField.getText().trim() : "";
+        String displayAreaName = isMeaningfulValue(trimmedAreaName) ? trimmedAreaName : landNumber;
+
+        String plannedPath = dikuaiData.get("plannedPath");
+        if (!isMeaningfulValue(plannedPath)) {
+            showPathGenerationMessage("璇峰厛鐢熸垚鍓茶崏璺緞鍚庡啀棰勮銆�", false);
+            setPathAvailability(false);
+            return;
+        }
+
+        String boundary = null;
+        Dikuai pending = getOrCreatePendingDikuai();
+        if (pending != null) {
+            boundary = normalizeCoordinateValue(pending.getBoundaryCoordinates());
+        }
+        if (boundary == null) {
+            boundary = normalizeCoordinateValue(dikuaiData.get("boundaryCoordinates"));
+        }
+
+        String obstacles = normalizeCoordinateValue(dikuaiData.get("obstacleCoordinates"));
+        if (!isMeaningfulValue(obstacles)) {
+            obstacles = resolveObstaclePayloadFromConfig(landNumber);
+            if (isMeaningfulValue(obstacles)) {
+                dikuaiData.put("obstacleCoordinates", obstacles);
+            }
+        }
+
+        Shouye shouye = Shouye.getInstance();
+        if (shouye == null) {
+            JOptionPane.showMessageDialog(this, "鏃犳硶鎵撳紑涓婚〉闈紝璇风◢鍚庨噸璇�", "鎻愮ず", JOptionPane.WARNING_MESSAGE);
+            return;
+        }
+
+        dikuaiData.put("areaName", trimmedAreaName);
+        if (isMeaningfulValue(boundary)) {
+            dikuaiData.put("boundaryCoordinates", boundary);
+        }
+
+        pendingLandNumber = landNumber;
+        captureSessionSnapshot();
+
+        resumeRequested = true;
+        boolean started = shouye.startMowingPathPreview(
+            landNumber,
+            displayAreaName,
+            boundary,
+            obstacles,
+            plannedPath,
+            AddDikuai::resumeFromPreview
+        );
+        if (!started) {
+            resumeRequested = false;
+            JOptionPane.showMessageDialog(this, "鏃犳硶鍚姩棰勮锛岃绋嶅悗鍐嶈瘯", "鎻愮ず", JOptionPane.WARNING_MESSAGE);
+            return;
+        }
+
+        closePreviewAndDispose();
+    }
+
+    private void persistStep3Inputs() {
+        String trimmedName = areaNameField.getText() != null ? areaNameField.getText().trim() : "";
+        dikuaiData.put("areaName", trimmedName);
+
+        if (mowingPatternCombo != null) {
+            Object selection = mowingPatternCombo.getSelectedItem();
+            if (selection != null) {
+                dikuaiData.put("mowingPattern", selection.toString());
+            }
+        }
+
+        if (mowingWidthSpinner != null) {
+            Object widthValue = mowingWidthSpinner.getValue();
+            if (widthValue instanceof Number) {
+                int widthInt = ((Number) widthValue).intValue();
+                dikuaiData.put("mowingWidth", Integer.toString(widthInt));
+            } else if (widthValue != null) {
+                dikuaiData.put("mowingWidth", widthValue.toString());
             }
         }
     }
+
+    private void captureSessionSnapshot() {
+        if (activeSession == null) {
+            activeSession = new DrawingSession();
+        }
+        String landNumber = getPendingLandNumber();
+        activeSession.landNumber = landNumber;
+        activeSession.areaName = areaNameField.getText() != null ? areaNameField.getText().trim() : "";
+        activeSession.drawingCompleted = true;
+        activeSession.data = new HashMap<>(dikuaiData);
+    }
+
+    private void closePreviewAndDispose() {
+        setVisible(false);
+        dispose();
+    }
     
     private JButton createPrimaryButton(String text, int fontSize) {
-        JButton button = new JButton(text);
+        JButton button = buttonset.createStyledButton(text, PRIMARY_COLOR);
         button.setFont(new Font("寰蒋闆呴粦", Font.BOLD, fontSize));
-        button.setBackground(PRIMARY_COLOR);
-        button.setForeground(WHITE);
         button.setBorder(BorderFactory.createCompoundBorder(
             BorderFactory.createLineBorder(PRIMARY_DARK, 2),
             BorderFactory.createEmptyBorder(12, 25, 12, 25)
         ));
-        button.setFocusPainted(false);
         button.setCursor(new Cursor(Cursor.HAND_CURSOR));
-        
-        // 鎸夐挳鎮仠鏁堟灉
+
         button.addMouseListener(new MouseAdapter() {
             @Override
             public void mouseEntered(MouseEvent e) {
@@ -1097,7 +1288,7 @@
                     button.setBackground(PRIMARY_DARK);
                 }
             }
-            
+
             @Override
             public void mouseExited(MouseEvent e) {
                 if (button.isEnabled()) {
@@ -1105,9 +1296,47 @@
                 }
             }
         });
-        
+
         return button;
     }
+
+    private void showPathGenerationMessage(String message, boolean success) {
+        if (pathGenerationMessageArea == null || pathMessageWrapper == null) {
+            return;
+        }
+        String display = message == null ? "" : message.trim();
+        if (display.isEmpty()) {
+            dikuaiData.remove(KEY_PATH_MESSAGE_TEXT);
+            dikuaiData.remove(KEY_PATH_MESSAGE_SUCCESS);
+        } else {
+            dikuaiData.put(KEY_PATH_MESSAGE_TEXT, display);
+            dikuaiData.put(KEY_PATH_MESSAGE_SUCCESS, success ? "true" : "false");
+        }
+        pathGenerationMessageArea.setText(display);
+        Color borderColor = success ? PRIMARY_COLOR : ERROR_COLOR;
+        Color textColor = success ? PRIMARY_DARK : ERROR_COLOR;
+        Color backgroundColor = success ? PRIMARY_LIGHT : new Color(255, 235, 238);
+        pathGenerationMessageArea.setForeground(textColor);
+        pathMessageWrapper.setBackground(backgroundColor);
+        pathMessageWrapper.setBorder(BorderFactory.createCompoundBorder(
+            BorderFactory.createLineBorder(borderColor, 1),
+            BorderFactory.createEmptyBorder(12, 12, 12, 12)
+        ));
+        pathMessageWrapper.setVisible(!display.isEmpty());
+        pathMessageWrapper.revalidate();
+        pathMessageWrapper.repaint();
+    }
+
+    private void setPathAvailability(boolean available) {
+        boolean effective = available && currentStep == 3;
+        if (createButton != null) {
+            createButton.setEnabled(effective);
+        }
+        if (previewButton != null) {
+            boolean visible = previewButton.isVisible();
+            previewButton.setEnabled(effective && visible);
+        }
+    }
     
     private JPanel createButtonPanel() {
         JPanel buttonPanel = new JPanel();
@@ -1115,25 +1344,32 @@
         buttonPanel.setBackground(WHITE);
         buttonPanel.setBorder(BorderFactory.createEmptyBorder(20, 0, 0, 0));
 
-        prevButton = new JButton("涓婁竴姝�");
+        prevButton = buttonset.createStyledButton("涓婁竴姝�", MEDIUM_GRAY);
         prevButton.setFont(new Font("寰蒋闆呴粦", Font.BOLD, 16));
-        prevButton.setBackground(MEDIUM_GRAY);
         prevButton.setForeground(TEXT_COLOR);
         prevButton.setBorder(BorderFactory.createCompoundBorder(
             BorderFactory.createLineBorder(BORDER_COLOR, 2),
             BorderFactory.createEmptyBorder(10, 25, 10, 25)
         ));
-        prevButton.setFocusPainted(false);
         prevButton.setCursor(new Cursor(Cursor.HAND_CURSOR));
 
         nextButton = createPrimaryButton("涓嬩竴姝�", 16);
         createButton = createPrimaryButton("淇濆瓨", 16);
         createButton.setVisible(false);
-    createButton.setEnabled(false);
+        createButton.setEnabled(false);
+
+        previewButton = createPrimaryButton("棰勮", 16);
+        previewButton.setVisible(false);
+        previewButton.setEnabled(false);
+
+        previewButtonSpacer = Box.createHorizontalStrut(15);
+        previewButtonSpacer.setVisible(false);
 
         buttonPanel.add(prevButton);
         buttonPanel.add(Box.createHorizontalGlue());
         buttonPanel.add(nextButton);
+        buttonPanel.add(previewButtonSpacer);
+        buttonPanel.add(previewButton);
         buttonPanel.add(Box.createHorizontalStrut(15));
         buttonPanel.add(createButton);
 
@@ -1185,14 +1421,40 @@
         return true;
     }
 
-    private static String buildOriginalBoundaryString() {
-        if (Coordinate.coordinates == null || Coordinate.coordinates.isEmpty()) {
+    private static List<Coordinate> sanitizeCoordinateList(List<Coordinate> source) {
+        if (source == null || source.isEmpty()) {
+            return Collections.emptyList();
+        }
+
+        List<Coordinate> snapshot = new ArrayList<>();
+        for (Coordinate coordinate : source) {
+            if (coordinate != null) {
+                snapshot.add(coordinate);
+            }
+        }
+        if (snapshot.isEmpty()) {
+            return Collections.emptyList();
+        }
+
+        DecimalFormat latLonFormat = new DecimalFormat("0.000000");
+        LinkedHashMap<String, Coordinate> unique = new LinkedHashMap<>();
+        for (Coordinate coord : snapshot) {
+            double lat = convertToDecimalDegree(coord.getLatitude(), coord.getLatDirection());
+            double lon = convertToDecimalDegree(coord.getLongitude(), coord.getLonDirection());
+            String key = latLonFormat.format(lat) + "," + latLonFormat.format(lon);
+            unique.putIfAbsent(key, coord);
+        }
+        return new ArrayList<>(unique.values());
+    }
+
+    private static String buildOriginalBoundaryString(List<Coordinate> coordinates) {
+        if (coordinates == null || coordinates.isEmpty()) {
             return "-1";
         }
         StringBuilder sb = new StringBuilder();
         DecimalFormat latLonFormat = new DecimalFormat("0.000000");
         DecimalFormat elevationFormat = new DecimalFormat("0.00");
-        for (Coordinate coord : Coordinate.coordinates) {
+        for (Coordinate coord : coordinates) {
             double lat = convertToDecimalDegree(coord.getLatitude(), coord.getLatDirection());
             double lon = convertToDecimalDegree(coord.getLongitude(), coord.getLonDirection());
             double elevation = coord.getElevation();
@@ -1259,6 +1521,30 @@
         return isMeaningfulValue(dikuaiData.get("plannedPath"));
     }
 
+    private String resolveObstaclePayloadFromConfig(String landNumber) {
+        if (!isMeaningfulValue(landNumber)) {
+            return null;
+        }
+        try {
+            File configFile = new File("Obstacledge.properties");
+            if (!configFile.exists()) {
+                return null;
+            }
+            Obstacledge.ConfigManager manager = new Obstacledge.ConfigManager();
+            if (!manager.loadFromFile(configFile.getAbsolutePath())) {
+                return null;
+            }
+            Obstacledge.Plot plot = manager.getPlotById(landNumber.trim());
+            if (plot == null) {
+                return null;
+            }
+            return Obstacledge.buildPlannerPayload(plot.getObstacles());
+        } catch (Exception ex) {
+            System.err.println("鍔犺浇闅滅鐗╅厤缃け璐�: " + ex.getMessage());
+            return null;
+        }
+    }
+
     private static String normalizeCoordinateValue(String value) {
         return isMeaningfulValue(value) ? value.trim() : null;
     }
@@ -1272,8 +1558,14 @@
     }
 
     private static BoundarySnapshotResult computeBoundarySnapshot() {
-        int count = Coordinate.coordinates != null ? Coordinate.coordinates.size() : 0;
-        if (count < 3) {
+        List<Coordinate> uniqueCoordinates;
+        synchronized (Coordinate.coordinates) {
+            uniqueCoordinates = sanitizeCoordinateList(Coordinate.coordinates);
+            Coordinate.coordinates.clear();
+            Coordinate.coordinates.addAll(uniqueCoordinates);
+        }
+
+        if (uniqueCoordinates.size() < 3) {
             return BoundarySnapshotResult.failure("閲囬泦鐨勮竟鐣岀偣涓嶈冻锛屾棤娉曠敓鎴愬湴鍧楄竟鐣�", JOptionPane.WARNING_MESSAGE);
         }
 
@@ -1282,9 +1574,9 @@
             return BoundarySnapshotResult.failure("褰撳墠鍦板潡闈㈢Н涓�0锛屾棤娉曠户缁�", JOptionPane.WARNING_MESSAGE);
         }
 
-        Device device = new Device();
-        device.initFromProperties();
-        String baseStationCoordinates = normalizeCoordinateValue(device.getBaseStationCoordinates());
+    BaseStation baseStation = new BaseStation();
+    baseStation.load();
+    String baseStationCoordinates = normalizeCoordinateValue(baseStation.getInstallationCoordinates());
         if (!isMeaningfulValue(baseStationCoordinates)) {
             return BoundarySnapshotResult.failure("鏈幏鍙栧埌鏈夋晥鐨勫熀鍑嗙珯鍧愭爣锛岃鍏堝湪鍩哄噯绔欑鐞嗕腑璁剧疆", JOptionPane.WARNING_MESSAGE);
         }
@@ -1297,7 +1589,7 @@
             return BoundarySnapshotResult.failure("鐢熸垚鍦板潡杈圭晫澶辫触: " + ex.getMessage(), JOptionPane.ERROR_MESSAGE);
         }
 
-        String originalBoundary = buildOriginalBoundaryString();
+    String originalBoundary = buildOriginalBoundaryString(uniqueCoordinates);
         DecimalFormat areaFormat = new DecimalFormat("0.00");
         String areaString = areaFormat.format(area);
 
@@ -1345,6 +1637,10 @@
         
         // 鍒涘缓鍦板潡鎸夐挳
         createButton.addActionListener(e -> createDikuai());
+
+        if (previewButton != null) {
+            previewButton.addActionListener(e -> previewMowingPath());
+        }
         
         // 鍏抽棴瀵硅瘽妗�
         addWindowListener(new WindowAdapter() {
@@ -1358,10 +1654,6 @@
     private void showStep(int step) {
         currentStep = step;
         cardLayout.show(stepsPanel, "step" + step);
-        
-        if (step == 1) {
-            updateObstacleSummary();
-        }
 
         // 鏇存柊鎸夐挳鐘舵��
         updateButtonState(step);
@@ -1373,11 +1665,24 @@
         if (step < 3) {
             nextButton.setVisible(true);
             createButton.setVisible(false);
-            createButton.setEnabled(false);
+            setPathAvailability(false);
+            if (previewButton != null) {
+                previewButton.setVisible(false);
+                previewButton.setEnabled(false);
+            }
+            if (previewButtonSpacer != null) {
+                previewButtonSpacer.setVisible(false);
+            }
         } else {
             nextButton.setVisible(false);
             createButton.setVisible(true);
-            createButton.setEnabled(hasGeneratedPath());
+            if (previewButton != null) {
+                previewButton.setVisible(true);
+            }
+            if (previewButtonSpacer != null) {
+                previewButtonSpacer.setVisible(true);
+            }
+            setPathAvailability(hasGeneratedPath());
         }
 
         Container parent = prevButton.getParent();
@@ -1649,7 +1954,7 @@
         if (method != null) {
             JPanel panel = drawingOptionPanels.get(method);
             if (panel != null) {
-                selectDrawingOption(panel, method);
+                selectDrawingOption(panel, method, false);
             }
         }
 
@@ -1674,6 +1979,71 @@
             showStep(1);
             hideBoundaryPointSummary();
         }
+
+        restoreGeneratedPathState(session);
+    }
+
+    private void restoreGeneratedPathState(DrawingSession session) {
+        if (session == null || session.data == null) {
+            showPathGenerationMessage("", true);
+            return;
+        }
+
+        Map<String, String> data = session.data;
+
+        if (mowingPatternCombo != null) {
+            String pattern = data.get("mowingPattern");
+            if (pattern != null) {
+                ComboBoxModel<String> model = mowingPatternCombo.getModel();
+                for (int i = 0; i < model.getSize(); i++) {
+                    String candidate = model.getElementAt(i);
+                    if (pattern.equals(candidate)) {
+                        mowingPatternCombo.setSelectedIndex(i);
+                        break;
+                    }
+                }
+            }
+        }
+
+        if (mowingWidthSpinner != null) {
+            String width = data.get("mowingWidth");
+            if (isMeaningfulValue(width)) {
+                try {
+                    double parsed = Double.parseDouble(width.trim());
+                    SpinnerNumberModel model = (SpinnerNumberModel) mowingWidthSpinner.getModel();
+                    int min = ((Number) model.getMinimum()).intValue();
+                    int max = ((Number) model.getMaximum()).intValue();
+                    int rounded = (int) Math.round(parsed);
+                    if (rounded < min) {
+                        rounded = min;
+                    } else if (rounded > max) {
+                        rounded = max;
+                    }
+                    mowingWidthSpinner.setValue(rounded);
+                } catch (NumberFormatException ignored) {
+                    // 淇濇寔褰撳墠鍊�
+                }
+            }
+        }
+
+        boolean hasPath = isMeaningfulValue(data.get("plannedPath"));
+        if (!hasPath) {
+            showPathGenerationMessage("", true);
+            if (currentStep == 3) {
+                setPathAvailability(false);
+            }
+            return;
+        }
+
+        String message = data.get(KEY_PATH_MESSAGE_TEXT);
+        boolean success = !"false".equalsIgnoreCase(data.get(KEY_PATH_MESSAGE_SUCCESS));
+        showStep(3);
+        if (isMeaningfulValue(message)) {
+            showPathGenerationMessage(message, success);
+        } else {
+            showPathGenerationMessage("宸茬敓鎴愬壊鑽夎矾寰勶紝鍙偣鍑烩�滈瑙堚�濇寜閽煡鐪嬫晥鏋溿��", true);
+        }
+        setPathAvailability(true);
     }
 
     public static void finishDrawingSession() {
@@ -1707,6 +2077,19 @@
         Component parent = shouye != null ? shouye : null;
         showAddDikuaiDialog(parent);
     }
+
+    public static void resumeFromPreview() {
+        Shouye shouye = Shouye.getInstance();
+        if (shouye != null) {
+            shouye.exitMowingPathPreview();
+        }
+        if (activeSession == null) {
+            return;
+        }
+        resumeRequested = true;
+        Component parent = shouye != null ? shouye : null;
+        SwingUtilities.invokeLater(() -> showAddDikuaiDialog(parent));
+    }
     
     private void createDikuai() {
         if (!validateCurrentStep()) {

--
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