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feat(ui): 只读 SQL / DDL 补语法高亮 (#9) - #10
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October 29, 2026 09:49
详情面板的 DDL 页、建库 / 修改库对话框的脚本预览、结构同步的 DDL 比较与部署脚本 一直是裸文本,而查询编辑器和表设计器「SQL 预览」早就有高亮 —— 同一屏两种待遇。 - 新增 lib/theme/sql_highlight.dart:只读区走同步 TextSpan 高亮 (re_highlight 的 TextSpanRenderer),首帧即彩色,不引入编辑器那条 isolate 回帧的「慢半拍」;解析异常或结果掉了字符一律退回裸文本。 - 明暗配色表原本抄了三份(query_page / table_designer_page / routine_design_page,后者的公开名还被四个设计页 import),收成一处, 六个编辑器调用点统一走 sqlEditorTheme。 - 结构同步的「消息日志」不是 SQL,保持裸文本。 - 相应地,断言这些区域文本的用例改 findRichText: true。
CI 的 flutter analyze 报 unnecessary_non_null_assertion:showEmpty 的定义里 已含 emptyHint != null,局部变量的流分析已经把参数提升成非空了。
「命中的子 span 不带字号」这条把兜底文本也算进去了:re_highlight 的 TextSpanRenderer 给没命中 scope 的片段直接挂 base 样式(本来就带字号), 于是断言必红。改成只看样式不等于 base 的那些 span。
Text.rich → SelectableText.rich:整段复制走右上角按钮,想只取一列名 / 一段定义时得能就地划选(建库改库的脚本预览、结构同步的脚本区本来就是这样)。 复制按钮不动。用例里按内容定位那条 SelectableText,顺带钉住 selectionEnabled。
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Closes #9
详情面板的 DDL 页、建库 / 修改库对话框的脚本预览、结构同步的 DDL 比较与部署脚本一直是裸文本，而查询编辑器和表设计器「SQL 预览」早就有高亮——同一屏两种待遇。
改动：
lib/theme/sql_highlight.dart：只读区走同步 TextSpan 高亮（re_highlight的TextSpanRenderer），首帧即彩色，不引入编辑器那条 isolate 回帧的「慢半拍」；解析异常、或解析结果掉了字符，一律整段退回裸文本（宁可不上色，也不能让 DDL 少一截）。query_page/table_designer_page/routine_design_page，后者的公开名还被四个设计页 import 借用），收成一处，六个编辑器调用点统一走sqlEditorTheme。Consolas+monospace回落（详情面板 DDL 页原来是monospace）。Test plan
test/sql_highlight_test.dart（离线）：文本无损、关键字 / 注释确实上色、明暗各取各表、字号由根 span 兜底、memo 命中与作废、配色表 key 一致findRichText: true（Text→Text.rich后默认 finder 看不见富文本）