A contiguous run of drawings on the left commonly maps to a contiguous set of rows on the right, so make that a single gesture. - Left tree: ctrl/cmd-click toggles a source file into a multi-selection, shift-click ranges from the anchor, ctrl-shift-click adds a range (over the visible file order). Selected files get a highlight and drag together, in top-to-bottom order. A plain click still previews. - By-tracking grid: dropping N dragged files onto a placeholder row fills the N consecutive placeholder rows from there (file[i] → row[i], Excel-style column fill). Drops are now handled at the grid-container level so the dragover shows a live indicator outlining EXACTLY the rows that will be updated (.tg-fill-target). Dropping over empty space / a file row still just adds the files as new rows. Fill walks the rows in DOM (display) order and looks each worklist row up by id from the model, so a re-render between binds can't disturb the loop. Test: a 3-file drop on the first of three placeholders fills m1/m2/m3 in order and consumes all three placeholders. 70 classify green. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> |
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