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| * '''PROJECT STATE: Proposal'''
| | The text for this page has been deleted because it was out of date and no longer relevant. See [[Themes]] for information on Themes in Moodle. To view the previous text for this page check the history. |
| * '''MAIN TRACKER ISSUE''': n/a
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| * '''DISCUSSION AND COMMENTS''': n/a
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| * '''AUTHOR''': [[User:Petr Škoda (škoďák)|Petr Škoda (škoďák)]]
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| =Goals=
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| The main goals are: | |
| # general simplification of code
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| # easier theme customizations
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| # allow themes to be stored in dataroot
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| # improved performance
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| # solve all caching problems
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| # base all themes on YUI CSS foundation
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| # easy customisation of theme images (similar to smartpix)
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| =Design overview=
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| All theme files will be served through two files ''/theme/styles.php'' and '/'theme/image.php''. If more advanced themes need extra javascript files we could add optional ''/theme/javascript.php'' file.
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| All CSS style sheets (including YUI, plugin CSS and parents) would be merged into single large CSS file served via the /theme/styles.php file, it would have several parameters:
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| * theme - string, theme name
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| * rtl - bool, modified style sheet for RTL languages
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| * iehack - 6/7, IE would include special IE6/7 incompatibility fixes (this means IE 6 and 7 loads two styles.php instead of one)
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| * rev - int, theme revision number stored in main config table, solves all caching problems
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| The theme config.php would be significantly simplified, the complete list of available options would be:
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| * <code>$THEME->parents = array('standard', 'purple');</code> lists all parents top-down, each theme contains full list of parents, this is non-recursive and more flexible specification without any limits
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| * <code>$THEME->sheets = array('styles_layout', 'styles_fonts', 'styles_color');</code> the same as before, lists files from current theme directory
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| * <code>$THEME->parents_exclude_sheets('standard'=>array('styles_moz'), 'purple'=>array('styles_fonts.css'));</code> it would be also posssible to use ''true'' instead of array in order to specify ''all'' sheets or all sheets in all parents
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| * <code>$THEME->plugins_exclude_sheets('mod_book', 'gradereport_grader');</code> - specify individual components that should be excluded from this theme
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| * <code>$THEME->layouts = array(...);</code> - the same as before, cascades through parent themes
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| * resource and filter hacks $THEME->resource_mp3player_colors, $THEME->filter_mediaplugin_colors
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| =Removed old features=
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| # '''meta.php''' - used mostly for IE6/7 hacks, custom layouts may be used instead
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| # '''smartpix''' - completely obsoleted by new image location resolution algorithm
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| # $CFG->themewww, $CFG->themedir and friends - themes can be stored in dataroot, web hosting companies could use shared dirroot without custom themes, the styles.php URLs would be always constructed via some helper functions
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| # '''styles.php''' replaced by styles.css, supported in all plugin types - the PHP is not needed because images are specified using <nowiki>{{component|dir/image}}</nowiki> syntax
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