UI Update: RTL/LTR Toggle Reposition & Behavior Improvement#95
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ThisIs-Developer merged 1 commit intomainfrom May 8, 2026
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…to editor/preview only - Move direction toggle from header toolbar to markdown formatting toolbar, placed directly after the Align Right button - Change toggle display from icon to text: L (LTR mode) / R (RTL mode) - Scope direction changes to only editor textarea and preview area, no longer affects full document/toolbar/sidebar/modals - Update mobile direction toggle to use the same scoped behavior Co-Authored-By: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>
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| Branch Preview URL: | https://devin-1778216070-rtl-ltr-tog.markdownviewer.pages.dev |
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Deploying markdown-viewer with
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| Latest commit: |
32a0a3e
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| Status: | ✅ Deploy successful! |
| Preview URL: | https://ffb0b8d2.markdown-viewer.pages.dev |
| Branch Preview URL: | https://devin-1778216070-rtl-ltr-tog.markdown-viewer.pages.dev |
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End-to-End Test ResultsTested on preview deployment: https://ffb0b8d2.markdown-viewer.pages.dev All 7 tests passed. Test Results
ScreenshotsLTR mode (default) — L button in formatting toolbar: RTL mode active — editor and preview RTL, toolbar stays LTR: Persistence after reload — RTL preserved: Mobile menu — before and after toggle: |
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Summary
Moves the RTL/LTR direction toggle from the header toolbar (next to Share) into the markdown formatting toolbar, directly beside the Align Right button. Changes the toggle's visual from an ambiguous icon to a clear text label: L when in LTR mode, R when in RTL mode. Most importantly, scopes the
dirattribute change to only the editor textarea (#markdown-editor) and preview area (#markdown-preview) instead ofdocument.documentElement, so the toolbar, sidebar, modals, and overall app layout are no longer affected by the toggle.Changes:
index.html: Removeddirection-togglefrom header toolbar; added it to the alignment group in the formatting toolbar as amarkdown-tool-btn text-toolscript.js: IntroducedapplyDirectionToContent()helper that setsdiron only the editor and preview elements. UpdatedupdateDirectionToggleUI()to settextContent("L"/"R") instead of swapping icons. Updated both desktop and mobile click handlers to read/write direction on the editor element rather thandocument.documentElement.Review & Testing Checklist for Human
Notes
.markdown-tool-btn.text-toolstyles..click()when present; the standalone fallback path also uses the newapplyDirectionToContent().directionstate is still read frommarkdownEditor.getAttribute("dir")— ifmarkdownEditoris ever null, it defaults to"ltr".Link to Devin session: https://app.devin.ai/sessions/4ffa89663674457e98ce1644dec5cd81
Requested by: @ThisIs-Developer