mattcasters opened a new pull request, #7381:
URL: https://github.com/apache/hop/pull/7381
# Walkthrough: Select Active File in Explorer Tree
Implemented for issue #7380 : automatic selection of the active file in the
file explorer tree (`ExplorerPerspective.tree`) on the left hand side when it
is shown in a tab.
## Changes Made
### UI Components
####
[ExplorerPerspective.java](file:///home/matt/git/mattcasters/hop/ui/src/main/java/org/apache/hop/ui/hopgui/perspective/explorer/ExplorerPerspective.java)
1. **Hierarchy Check Helper**: Added `isDescendant(String parentPath, String
childPath)` which standardizes paths and uses VFS `FileName.isDescendent` to
verify nested file hierarchies.
2. **Recursive Expansion & Loading**: Refactored `selectInTree(TreeItem,
String)` to dynamically load children and expand unexpanded folders recursively
along the path to the selected file, using `TreeMemory` to keep track of folder
expansions.
3. **Tab Switch & Focus Hooks**:
- Added selection checking in `createSingleTabFolder()`'s selection
listener.
- Added selection checking in `FocusIn` display filter to ensure the
correct item is selected when switching panes in split mode or switching editor
focus.
4. **Tab Creation Hooks**: Added calls to `selectInTree` at the start and
end of `addFile()`, `addPipeline()`, and `addWorkflow()` to immediately select
the newly opened tab's file in the tree.
## Verification
### Build Verification
- Code formatted successfully with spotless: `./mvnw spotless:apply`
- Build successfully compiles the `ui` module: `./mvnw clean install -pl ui
-DskipTests`
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