src/notes/ui/NoteEditActivity.java

@@ -16,7 +16,9 @@
 
 package net.micode.notes.ui;
 
-import android.app.Activity;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.Toolbar;
+import androidx.core.content.ContextCompat;
 import android.app.AlarmManager;
 import android.app.AlertDialog;
 import android.app.PendingIntent;
@@ -120,7 +122,7 @@ import java.util.Map;
 import java.util.HashMap;
 
 
-public class NoteEditActivity extends Activity implements OnClickListener,
+public class NoteEditActivity extends AppCompatActivity implements OnClickListener,
     NoteSettingChangedListener, OnTextViewChangeListener, OnSelectionChangeListener {
     private class HeadViewHolder {
         public TextView tvModified;
@@ -366,6 +368,8 @@ public class NoteEditActivity extends Activity implements OnClickListener,
 
     private HeadViewHolder mNoteHeaderHolder;
 
+    private TextView mTvEmotion;
+
     private View mHeadViewPanel;
 
     private View mNoteBgColorSelector;
@@ -449,6 +453,35 @@ public class NoteEditActivity extends Activity implements OnClickListener,
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         this.setContentView(R.layout.note_edit);
+        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar_edit);
+        if (toolbar != null) {
+            // ensure toolbar title is visible and matches theme
+            try {
+                toolbar.setTitleTextColor(ContextCompat.getColor(this, android.R.color.white));
+            } catch (Exception ignored) {}
+            toolbar.setVisibility(View.VISIBLE);
+            toolbar.bringToFront();
+            toolbar.setTitle(R.string.app_name);
+            setSupportActionBar(toolbar);
+            if (getSupportActionBar() != null) {
+                getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+            }
+            // try to ensure overflow icon visible
+            try {
+                toolbar.setOverflowIcon(ContextCompat.getDrawable(this, android.R.drawable.ic_menu_more));
+            } catch (Exception ignored) {}
+            try {
+                toolbar.inflateMenu(R.menu.note_edit);
+            } catch (Exception e) {
+                // fail silently if menu resource not found
+            }
+            toolbar.setOnMenuItemClickListener(new Toolbar.OnMenuItemClickListener() {
+                @Override
+                public boolean onMenuItemClick(MenuItem item) {
+                    return NoteEditActivity.this.onOptionsItemSelected(item);
+                }
+            });
+        }
 
         if (savedInstanceState == null && !initActivityState(getIntent())) {
             finish();
@@ -1283,20 +1316,48 @@ public class NoteEditActivity extends Activity implements OnClickListener,
             menu.findItem(R.id.menu_list_mode).setTitle(R.string.menu_list_mode);
         }
         if (mWorkingNote.hasClockAlert()) {
-            menu.findItem(R.id.menu_alert).setVisible(false);
+            MenuItem alertItem = menu.findItem(R.id.menu_alert);
+            if (alertItem != null) {
+                alertItem.setVisible(false);
+            }
         } else {
-            menu.findItem(R.id.menu_delete_remind).setVisible(false);
+            MenuItem deleteRemindItem = menu.findItem(R.id.menu_delete_remind);
+            if (deleteRemindItem != null) {
+                deleteRemindItem.setVisible(false);
+            }
         }
         // 习惯相关菜单处理
         boolean isHabit = mWorkingNote.isHabit();
-        menu.findItem(R.id.menu_set_habit).setVisible(!isHabit);
-        menu.findItem(R.id.menu_habit_settings).setVisible(isHabit);
-        menu.findItem(R.id.menu_stop_habit).setVisible(isHabit);
+        MenuItem setHabitItem = menu.findItem(R.id.menu_set_habit);
+        if (setHabitItem != null) {
+            setHabitItem.setVisible(!isHabit);
+        }
+        MenuItem habitSettingsItem = menu.findItem(R.id.menu_habit_settings);
+        if (habitSettingsItem != null) {
+            habitSettingsItem.setVisible(isHabit);
+        }
+        MenuItem stopHabitItem = menu.findItem(R.id.menu_stop_habit);
+        if (stopHabitItem != null) {
+            stopHabitItem.setVisible(isHabit);
+        }
+        // pinned menu
+        MenuItem pinItem = menu.findItem(R.id.menu_pin);
+        if (pinItem != null) {
+            if (mWorkingNote.isPinned()) {
+                pinItem.setTitle(R.string.menu_unpin);
+            } else {
+                pinItem.setTitle(R.string.menu_pin);
+            }
+        }
         return true;
     }
 
     @Override
     public boolean onOptionsItemSelected(MenuItem item) {
+        if (item.getItemId() == android.R.id.home) {
+            finish();
+            return true;
+        }
         switch (item.getItemId()) {
             case R.id.menu_new_note://新建笔记
                 createNewNote();
@@ -1345,6 +1406,18 @@ public class NoteEditActivity extends Activity implements OnClickListener,
                 mWorkingNote.setHabit(true, "");
                 showHabitConfigDialog();
                 break;
+            case R.id.menu_pin:
+                boolean newState = !mWorkingNote.isPinned();
+                mWorkingNote.setPinned(newState);
+                mWorkingNote.saveNote();
+                setResult(RESULT_OK);
+                invalidateOptionsMenu();
+                if (newState) {
+                    Toast.makeText(this, R.string.pinned_label, Toast.LENGTH_SHORT).show();
+                } else {
+                    Toast.makeText(this, R.string.menu_unpin, Toast.LENGTH_SHORT).show();
+                }
+                break;
             case R.id.menu_habit_settings:
                 // 显示习惯设置对话框
                 showHabitConfigDialog();
@@ -1378,6 +1451,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
                     mImageInsertHelper.startPickImage();
                 }
                 break;
+            
             default:
                 break;
         }
@@ -1634,27 +1708,30 @@ public class NoteEditActivity extends Activity implements OnClickListener,
                     focused.findViewById(R.id.et_edit_text).requestFocus();
                 } else {
                     // 普通模式下，直接显示翻译结果
-                    SpannableString spannable = new SpannableString(result);
+                    // 构建 HTML 格式的字符串，使用 <span> 标签来设置翻译结果的颜色
+                    StringBuilder htmlBuilder = new StringBuilder();
                     // 分析文本结构：原文和翻译交替出现
                     // 格式：原文1\n翻译1\n原文2\n翻译2\n...
                     String[] lines = result.split("\n");
-                    int currentPosition = 0;
                     boolean isTranslation = false;
                     
                     for (String line : lines) {
                         if (!TextUtils.isEmpty(line)) {
                             if (isTranslation) {
                                 // 设置翻译结果为浅灰色
-                                int start = currentPosition;
-                                int end = currentPosition + line.length();
-                                spannable.setSpan(new ForegroundColorSpan(Color.parseColor("#999999")), start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
+                                htmlBuilder.append("<span style=\"color:#999999;\">");
+                                htmlBuilder.append(line);
+                                htmlBuilder.append("</span>");
+                            } else {
+                                // 原文保持默认颜色
+                                htmlBuilder.append(line);
                             }
                             isTranslation = !isTranslation;
                         }
-                        currentPosition += line.length() + 1; // +1 for newline
+                        htmlBuilder.append("<br>");
                     }
                     
-                    mNoteEditor.setHtml(spannable.toString());
+                    mNoteEditor.setHtml(htmlBuilder.toString());
                     // scroll to first translation
                     // RichEditor doesn't support setSelection method, so we skip this
                 }
@@ -1809,6 +1886,27 @@ public class NoteEditActivity extends Activity implements OnClickListener,
 
         mNoteEditor.setVisibility(View.GONE);//隐藏编辑框
         mEditTextList.setVisibility(View.VISIBLE);
+        
+        // 更新列表模式下的字符统计
+        updateListModeCharCount();
+    }
+    
+    // 更新列表模式下的字符统计
+    private void updateListModeCharCount() {
+        StringBuilder sb = new StringBuilder();
+        for (int i = 0; i < mEditTextList.getChildCount(); i++) {
+            View child = mEditTextList.getChildAt(i);
+            EditText et = (EditText) child.findViewById(R.id.et_edit_text);
+            if (et != null) {
+                String text = et.getText().toString();
+                if (!TextUtils.isEmpty(text)) {
+                    sb.append(text).append("\n");
+                }
+            }
+        }
+        String listText = sb.toString();
+        int charCount = calcVisibleCharCount(listText);
+        mNoteHeaderHolder.tvCharNum.setText("字符数：" + charCount);
     }
 
     private Spannable getHighlightQueryResult(String fullText, String userQuery) {
@@ -1906,6 +2004,8 @@ public class NoteEditActivity extends Activity implements OnClickListener,
                 } else {
                     edit.setPaintFlags(Paint.ANTI_ALIAS_FLAG | Paint.DEV_KERN_TEXT_FLAG);//清除删除线效果
                 }
+                // 复选框状态变化时也更新字符统计
+                updateListModeCharCount();
             }
         });
 
@@ -1922,6 +2022,20 @@ public class NoteEditActivity extends Activity implements OnClickListener,
         edit.setOnTextViewChangeListener(this);
         //新增选区变化回调接口设置
         edit.setOnSelectionChangeListener(this);
+        // 添加文本变化监听器，用于更新字符统计
+        edit.addTextChangedListener(new TextWatcher() {
+            @Override
+            public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
+            
+            @Override
+            public void onTextChanged(CharSequence s, int start, int before, int count) {
+                // 更新列表模式下的字符统计
+                updateListModeCharCount();
+            }
+            
+            @Override
+            public void afterTextChanged(Editable s) {}
+        });
         edit.setIndex(index);
         edit.setText(getHighlightQueryResult(item, mUserQuery));
         return view;