mattcasters opened a new pull request, #7382:
URL: https://github.com/apache/hop/pull/7382
# Walkthrough — Column Selection Before Excel Export
For issue #7118
## Changes Made
###
[TableViewExportToExcelToolbarButton.java](file:///home/matt/git/mattcasters/hop/plugins/transforms/excel/src/main/java/org/apache/hop/ui/core/widgets/TableViewExportToExcelToolbarButton.java)
- Added `PKG` class constant and `BaseMessages` / `EnterSelectionDialog`
imports.
- Before building the workbook, the method now:
1. Collects all column names from `tableView.getColumns()`.
2. Opens an `EnterSelectionDialog` in **multi-select mode** with all
columns pre-selected.
3. If the user cancels or selects nothing, the export aborts gracefully.
4. Otherwise, only the user-selected columns are written to the Excel
header and data rows.
- The `#` row-number column is always included automatically (not offered
for deselection).
- The auto-size loop now sizes only `selectedColumns.size() + 1` columns
instead of all.
###
[messages_en_US.properties](file:///home/matt/git/mattcasters/hop/plugins/transforms/excel/src/main/resources/org/apache/hop/ui/core/widgets/messages/messages_en_US.properties)
Added two new i18n keys:
```properties
ExcelWidget.ExportColumnSelection.Title=Select columns to export
ExcelWidget.ExportColumnSelection.Message=Select the columns to include in
the Excel export:
```
## Validation
| Check | Result |
|-------|--------|
| `./mvnw clean install -pl plugins/transforms/excel -am -DskipTests` | ✅
Passed |
| `./mvnw spotless:apply -pl plugins/transforms/excel` | ✅ Passed |
| Manual verification: field selection dialog in Hop GUI | ✅ Verified |
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