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Print a guide light, whatever the screen theme is

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Printing a dark-mode page lays a full page of toner down for the background and
knocks the text out of it in white. On a shopfloor printer that is a cartridge
for a handful of guides, and the result is harder to read than the plain
version. Somebody would have found this the expensive way.

The theme tokens are redefined for print only, in an unscoped block because
overriding them has to reach :root. Every guide element already renders through
those variables rather than literal colours, so this is a dozen lines instead of
a rewrite - the same discipline that made dark mode work without dark-mode code.

Backgrounds are dropped rather than printed grey: a callout is identified by its
rule and its heading, which cost nothing. Checkboxes print EMPTY even where they
are ticked on screen, because a printed guide is a worksheet somebody carries to
the bay, and one person's progress is not part of the procedure. The footer
gains the print date beside the version, so a stale copy pinned to a noticeboard
can be spotted.

Also corrects the model and migration found by running this against a real
database rather than SQLite: BaseModel contributes createddate, modifieddate and
isactive to every table and the migration never created them, so the first read
failed on unknown columns; the model had also declared duplicate timestamps on
top, now removed with the API field names kept stable. And the slug is 191
characters, not 300 - it is UNIQUE-indexed, MySQL caps an index key at 767
bytes, and utf8mb4 is 4 bytes per character.
This commit is contained in:
cproudlock
2026-08-26 11:07:06 -04:00
parent 38d1e367fc
commit cc1f8ff9fd
6 changed files with 103 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
plugins/guides/frontend/components/GuideBlocks.vue
View File

@@ -230,11 +230,21 @@ async function copy (block) {
.gb-table th { background: var(--surface-2, rgba(127,127,127,0.08)); }
@media print {
/* Paper has no hover, no clipboard and no theme. */
/* Paper has no hover, no clipboard and no theme. The light-mode token
overrides live in GuideView.vue, which can reach :root; this block is only
about what belongs on paper. */
.gb-copy { display: none; }
.gb-step, .gb-callout, .gb-code, .gb-figure { break-inside: avoid; }
.gb-check input { /* keep the box, printed empty, so it can be ticked by hand */ }
.gb-step, .gb-callout, .gb-code, .gb-figure, .gb-check { break-inside: avoid; }
/* Checkboxes print EMPTY on purpose, even where they are ticked on screen:
a printed guide is a worksheet somebody carries to the bay and ticks by
hand, and one person's progress is not part of the procedure. */
.gb-done { opacity: 1; text-decoration: none; }
.gb-check input { appearance: none; -webkit-appearance: none;
width: 0.85rem; height: 0.85rem; border: 1px solid #000;
border-radius: 2px; background: #fff; }
.gb-code pre { white-space: pre-wrap; }
.gb-stepnum { color: #000; }
}
</style>