import type { FillFieldType } from '../domain/types';
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export function inspectFieldsCommand(): string {
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function errorMessage(error: unknown): string {
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return error instanceof Error ? error.message : String(error);
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}
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function textOf(control: any): string {
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return String(control.GetRange().GetText() ?? '');
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}
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function kindOf(control: any): FillFieldType {
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if (control.IsCheckBox?.()) return 'checkbox';
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if (control.IsComboBox?.() || control.IsDropDownList?.()) return 'select';
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if (control.IsDatePicker?.()) return 'date';
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if (control.IsBlockLevel?.()) return 'multiline';
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return 'text';
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}
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function optionsOf(control: any): Array<{ display: string; value: string }> {
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const list = control.GetDropdownList?.();
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if (!list?.GetElementsCount || !list.GetItem) return [];
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const options = [];
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for (let index = 0; index < list.GetElementsCount(); index += 1) {
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const item = list.GetItem(index);
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options.push({ display: String(item.GetText()), value: String(item.GetValue()) });
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}
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return options;
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}
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function readValue(control: any, type: FillFieldType): boolean | string {
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const text = textOf(control);
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if (type === 'checkbox') return ['☒', '☑'].includes(text);
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if (type === 'select') return optionsOf(control).find((item) => item.display === text)?.value ?? '';
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return text;
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}
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try {
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const controls = Api.GetDocument().GetAllContentControls();
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const fields = controls.filter((control: any) => /^eln\.(field\.[^.]+|repeat\.[^.]+\.[^.]+\.[^.]+)$/u.test(control.GetTag())).map((control: any) => {
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const type = kindOf(control);
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return {
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alias: String(control.GetAlias?.() ?? ''),
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currentValue: readValue(control, type),
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internalId: String(control.GetInternalId?.() ?? ''),
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options: type === 'select' ? optionsOf(control) : [],
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tag: String(control.GetTag()),
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type,
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};
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});
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const tags = fields.map((field: any) => field.tag);
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if (new Set(tags).size !== tags.length) throw new Error('文档存在重复字段 Tag');
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return JSON.stringify({ ok: true, fields });
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} catch (error) {
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return JSON.stringify({ ok: false, error: errorMessage(error), fields: [] });
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}
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}
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export function applyFieldsCommand(): string {
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function errorMessage(error: unknown): string {
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return error instanceof Error ? error.message : String(error);
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}
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function textOf(control: any): string {
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return String(control.GetRange().GetText() ?? '');
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}
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function kindOf(control: any): FillFieldType {
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if (control.IsCheckBox?.()) return 'checkbox';
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if (control.IsComboBox?.() || control.IsDropDownList?.()) return 'select';
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if (control.IsDatePicker?.()) return 'date';
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if (control.IsBlockLevel?.()) return 'multiline';
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return 'text';
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}
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function optionsOf(control: any): Array<{ display: string; value: string }> {
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const list = control.GetDropdownList?.();
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if (!list?.GetElementsCount || !list.GetItem) return [];
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const options = [];
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for (let index = 0; index < list.GetElementsCount(); index += 1) {
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const item = list.GetItem(index);
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options.push({ display: String(item.GetText()), value: String(item.GetValue()) });
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}
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return options;
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}
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function readValue(control: any, type: FillFieldType): boolean | string {
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const text = textOf(control);
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if (type === 'checkbox') return ['☒', '☑'].includes(text);
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if (type === 'select') return optionsOf(control).find((item) => item.display === text)?.value ?? '';
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return text;
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}
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function writeValue(control: any, type: FillFieldType, value: boolean | string): void {
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if (type === 'checkbox') {
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control.SetCheckBoxChecked(Boolean(value));
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return;
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}
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if (type === 'select') {
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if (!optionsOf(control).some((item) => item.value === value)) throw new Error('下拉值不在文档选项中');
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control.SelectListItem(value);
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return;
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}
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if (type === 'date') {
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const parts = String(value).split('-').map(Number);
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if (parts.length !== 3 || parts.some((part) => !Number.isInteger(part))) throw new Error('日期格式无效');
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control.SetDate(new Date(parts[0]!, parts[1]! - 1, parts[2]!));
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return;
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}
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control.RemoveAllElements();
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if (type === 'multiline') {
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String(value).split('\n').forEach((line, index) => {
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const paragraph = Api.CreateParagraph();
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const run = Api.CreateRun();
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run.AddText(line);
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paragraph.AddElement(run);
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control.AddElement(paragraph, index);
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});
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return;
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}
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const run = Api.CreateRun();
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run.AddText(String(value));
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control.AddElement(run, 0);
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}
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const changes = Asc.scope.elnTemplateFillChanges;
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if (!Array.isArray(changes)) return JSON.stringify({ ok: false, error: '缺少字段修改', results: [] });
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const controls = Api.GetDocument().GetAllContentControls();
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const results = changes.map((change) => {
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const matches = controls.filter((control: any) => control.GetTag() === change.tag);
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if (matches.length !== 1) return { tag: change.tag, ok: false, error: '无法按 Tag 定位唯一控件' };
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const control = matches[0];
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const actualType = kindOf(control);
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if (actualType !== change.type) return { tag: change.tag, ok: false, error: '字段类型与文档控件不一致' };
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const before = readValue(control, actualType);
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try {
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writeValue(control, actualType, change.value);
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if (readValue(control, actualType) !== change.value) throw new Error('字段写入后回读不一致');
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return { tag: change.tag, ok: true };
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} catch (error) {
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try { writeValue(control, actualType, before); } catch { /* 原生撤销是最终恢复手段。 */ }
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return { tag: change.tag, ok: false, error: errorMessage(error) };
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}
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});
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return JSON.stringify({ ok: true, results });
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}
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