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Spelhubben Weather

Spelhubben Weather

By Kenta Mattsson
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Description

This plugin displays current weather and an optional forecast. It can aggregate data from free global weather providers (Open-Meteo, SMHI, Yr/MET Norway, FMI, Open-Weathermap, and Weatherapi.com) and compute a simple consensus. Works worldwide with excellent coverage in Europe and beyond.

Features
– Gutenberg block and shortcode
– Optional Leaflet map (OpenStreetMap)
– Daily forecast and multiple layouts (inline, compact, card, detailed)
– Caching with transients + one-click cache clear
– Fully translatable
– Included translations: Swedish (sv_SE), Norwegian (nb_NO), English (en_US)
– New (1.7.0): modern admin UI with a dedicated Shortcodes page (search, copy, “copy all”), and live preview inside WP-admin
– New (1.7.5): FMI (Finland, Open Data) as an additional free provider (temperature, wind, hourly precip, cloud cover via WFS)

Not affiliated with Open-Meteo, SMHI, Yr/MET Norway, FMI, Leaflet, or OpenStreetMap. Names are used for descriptive purposes only. Map data © OpenStreetMap contributors (ODbL).

Translations

The plugin is fully translatable and includes built-in translations for Swedish (sv_SE) and Norwegian Bokmål (nb_NO).

How to translate the plugin

Option 1: Contribute to translate.wordpress.org (recommended)
– Visit translate.wordpress.org
– Select your language and add translations via the browser interface
– Your translations will automatically be included in future releases

Option 2: Local translation files
If you need to add or modify translations locally:

  1. Generate or update the POT file (translation template):
    wp i18n make-pot . languages/spelhubben-weather.pot --slug=spelhubben-weather

  2. Create a PO file for your language (e.g., spelhubben-weather-de_DE.po):

    • Copy the .pot file and rename to match your locale (e.g., de_DE)
    • Use a translation tool like Poedit or a text editor
    • Translate all strings in the PO file
    • Save the file as spelhubben-weather-de_DE.po

  3. Generate the MO file (compiled binary format):
    msgfmt spelhubben-weather-de_DE.po -o spelhubben-weather-de_DE.mo

  4. Place files in the plugin:

    • Store both .po and .mo files in /languages/
    • Also generate a .l10n.php file (WordPress 6.0+):
      wp i18n make-json languages/spelhubben-weather-de_DE.po --no-purge

  5. Activate your translation:

    • Change your WordPress language to match the locale code (Settings General Site Language)
    • The plugin will automatically load the translated strings

Translation file structure:
languages/
spelhubben-weather.pot (template for all translations)
spelhubben-weather-sv_SE.po (Swedish source text)
spelhubben-weather-sv_SE.mo (Swedish compiled)
spelhubben-weather-sv_SE.l10n.php
spelhubben-weather-nb_NO.po (Norwegian source text)
spelhubben-weather-nb_NO.mo (Norwegian compiled)
spelhubben-weather-nb_NO.l10n.php

What gets translated:
– All frontend strings (shortcode output, widget labels, weather descriptions, WMO codes)
– Admin settings and UI labels
– JavaScript strings (expand/collapse, status messages)
– Error messages and notices

Best practices:
– Use context clues in the POT file (msgctxt) to distinguish similar phrases
– Test your translation in WordPress to ensure formatting and plurals work correctly
– Check that translated UI aligns properly in your language (RTL vs LTR)

Screenshots

  • Frontend examples: inline, compact, card, detailed, with optional map.
  • Settings page: defaults, providers, cache, units & format.
  • Shortcodes page (new in 1.7.0): searchable examples, copy buttons, and admin live preview.

Blocks

This plugin provides 1 block.

  • Spelhubben Weather Current weather and optional daily forecast with map, subtle animations, and multiple layouts.

Installation

  1. Upload/activate the plugin.
  2. Go to Settings Spelhubben Weather and set defaults (place, shown fields, layout, providers, cache time, units/format).
  3. Add weather to your site in any of these ways:

Block (Gutenberg)

  • Edit a page/post click Add block search for “Spelhubben Weather”.
  • Optional: override defaults in the block sidebar (place/lat,lon, layout, map, forecast).

Shortcode

  • Insert [spelhubben_weather] anywhere shortcodes are supported.
  • Examples:
    • Basic: [spelhubben_weather]
    • Compact with map & animation: [spelhubben_weather place="Gothenburg" layout="compact" map="1" animate="1"]
    • Inline no map: [spelhubben_weather lat="57.7089" lon="11.9746" layout="inline" map="0" show="temp,icon"]
    • Detailed + daily forecast (5 days) + provider mix: [spelhubben_weather place="Umeå" layout="detailed" forecast="daily" days="5" providers="smhi,yr,openmeteo,fmi"]

Classic Widget

  • Go to Appearance Widgets add Spelhubben Weather.
  • Configure per-widget options (title, place or lat/lon, fields, layout, map, forecast, days, CSS class).

FAQ

Where does the data come from?

From public APIs such as Open-Meteo, SMHI, Yr/MET Norway, and FMI (Finnish Meteorological Institute). You choose providers under Settings Spelhubben Weather or per block/shortcode/widget via the providers attribute.

Do I need an API key?

No. Open-Meteo, SMHI, and FMI do not require keys. For Yr/MET Norway it’s recommended to include contact info (email/URL) in Settings Spelhubben Weather Yr contact/UA so your User-Agent is compliant.

Block, shortcode or widget — what’s the difference?

All three render the same UI. Use the block in the block editor, the shortcode in classic content areas, and the widget in sidebars (Appearance Widgets). Each lets you override global defaults.

Where is the Shortcodes page? (new in 1.7.0)

Go to Settings Spelhubben Weather Shortcodes. You’ll find searchable examples, one-click copy (and “copy all”), plus a live preview that renders the shortcode inside WP-admin.

How do place and coordinates work?

If lat and lon are provided they take precedence. Otherwise the plugin geocodes the place string (e.g. place="Umeå"). Set a global default place in settings.

What fields can I show/hide?

Use show="temp,wind,icon" (comma separated). Defaults are set in settings.

How do layouts work?

Choose layout="inline|compact|card|detailed". “Detailed” supports the multi-day forecast row.

Can I see individual provider data (for comparison)?

Yes! Use comparison="1" to show all enabled providers’ data side-by-side. Useful for debugging or comparing which providers are available in your location.
Example: [spelhubben_weather place="Stockholm" comparison="1" providers="openmeteo,smhi,yr,fmi,openweathermap,weatherapi"]

What icon themes are available?

Three themes: Classic (traditional), Modern Flat (clean, minimalist), and Modern Gradient (contemporary with gradients). Choose in Settings Spelhubben Weather Icon style. All themes include icons for sun, partly-cloudy, cloud, fog, rain, sleet, snow, and thunderstorm.

How do I enable the map and set its size?

map= »1″ shows a Leaflet map (OpenStreetMap). Control height with map_height="240" (px). Global defaults exist in settings.

How do I enable animations?

animate= »1″ adds subtle UI animation. Global default is in settings.

How do I get a daily forecast?

Set forecast="daily" and days="3–10". Example: forecast="daily" days="5".

Can I mix providers and get a consensus?

Yes. Set providers="smhi,yr,openmeteo,fmi" (order doesn’t matter). The plugin calculates a simple consensus across available providers for the displayed fields.

Units & format?

Pick a preset with units="metric|metric_kmh|imperial". You can override parts via temp_unit="C|F", wind_unit="ms|kmh|mph", precip_unit="mm|in", and date_format for forecast labels. All have global defaults in settings (Units & format section).

Caching — how long is data stored?

Responses are cached with WordPress transients. Change TTL (minutes) in settings. Clear via the Clear cache button on the settings page or by changing attributes (which creates a new cache key).

Does it work without JavaScript?

Yes, rendering is server-side. The map (Leaflet) requires JS.

Translations?

The plugin is fully translatable. Included translations: Swedish (sv_SE), Norwegian (nb_NO). Strings are also available on translate.wordpress.org. Ship .pot/.po/.mo in /languages.

GDPR / privacy?

The plugin does not set cookies by itself. If you enable the map, Leaflet/OpenStreetMap tiles are requested client-side. Mention OSM in your privacy notice if needed.

Troubleshooting tips

  • Nothing shows: check that at least one provider is selected in settings.
  • Wrong location: provide exact lat/lon or a more specific place (e.g. “Uddevalla, SE”).
  • Map not visible: ensure map="1" and that your theme/container is wide/tall enough; increase map_height.
  • Rate limiting: reduce refreshes or increase cache TTL.

Reviews

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Contributors & Developers

“Spelhubben Weather” is open source software. The following people have contributed to this plugin.

Contributors

“Spelhubben Weather” has been translated into 2 locales. Thank you to the translators for their contributions.

Translate “Spelhubben Weather” into your language.

Interested in development?

Browse the code, check out the SVN repository, or subscribe to the development log by RSS.

Changelog

1.8.2

  • Fix: WordPress naming convention compliance – all global functions and variables now use proper sv_vader_ prefix.
  • Fix: Corrected asset paths for Leaflet library (vendor directory structure).
  • Tech: Code review and standards compliance (no breaking changes).
  • Tested up to: WordPress 6.9

1.8.1

  • New: 3 selectable icon themes: Classic, Modern Flat, and Modern Gradient (set in Settings Icon style).
  • Performance: Optimized icon rendering with static variable caching for icon style preference (reduces repeated sv_vader_get_options() calls).
  • Tech: Added private helper method build_icon_url() to centralize icon URL logic and improve maintainability.
  • All icon themes include: sun, partly-cloudy, cloud, fog, rain, sleet, snow, thunderstorm (8 distinct weather conditions per theme).
  • Updated README and readme.txt with icon theme documentation and admin settings guide.

1.8.0

  • BREAKING CHANGE: Removed legacy [sv_vader …] shortcode. Use [spelhubben_weather …] exclusively.
  • New Providers: Added Open-Weathermap and Weatherapi.com for better global coverage (6 total providers).
  • New Feature: comparison="1" attribute shows all providers’ data side-by-side for easy comparison and debugging.
  • Performance: Fixed memory leak in map.js (persistent MutationObserver, proper ResizeObserver cleanup).
  • Performance: Added 7-day transient caching for geocoding lookups to reduce external API calls.
  • Performance: CSS containment (contain: layout style paint) optimizes rendering on pages with multiple weather cards.
  • Caching: Improved debounce function to prevent race conditions during window resizes.
  • Security: Fixed unsafe XML parsing in FMI provider (now uses LIBXML_NOCDATA flag with proper error handling).
  • Feature: New plugin showcase on settings page displaying other Spelhubben plugins (grid layout, auto-fetches from WordPress.org).
  • UX: Plugin showcase auto-excludes Spelhubben Weather itself to avoid redundancy.
  • Tested up to: WordPress 6.8+

1.7.5

  • Tested up to: 6.9
  • New: FMI (Finnish Meteorological Institute) as a free, optional provider (t2m, ws_10min, r_1h, n_man via WFS). Toggle in Settings Providers and via providers="…" in block/shortcode/widget.
  • Shortcodes/Blocks: providers now accepts fmi.
  • Docs: Updated examples and FAQ to include FMI.

1.7.0

  • New: Shortcodes admin page with searchable examples, one-click copy & copy all.
  • New: Live preview inside WP-admin (sandboxed iframe) that renders shortcodes and loads front assets (Leaflet, widget CSS/JS).
  • New: Units & format settings (preset + overrides: temp/wind/precip units, date_format).
  • New: Clear cache button (transients) on settings page.
  • New: Translations included: Swedish (sv_SE), Norwegian (nb_NO), English (en_US).
  • UX: Unified light card design across admin pages.
  • Tech: Robust admin enqueue with cache-busting via filemtime.
  • i18n: All admin strings localized (including JS: expand/collapse, statuses).
  • Docs: Marked legacy shortcode as deprecated – will be removed soon.

1.6.2

  • Minor fixes and readme updates.

1.6.1

  • Initial public release. Security hardening and improved uninstall cleanup.

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Issues resolved in last two months:

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