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Aleksander Machniak 9bc4b97071 Content frame/list handling for plugins		7 years ago
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bootstrap	Update Bootstrap	7 years ago
fonts	Upgrade to Font Awesome 5	7 years ago
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README.md

Roundcube Webmail Skin "Elastic"

This skin package contains a theme for the Roundcube Webmail software. It can be used, modified and redistributed according to the terms described in the LICENSE section.

For information about building or modifying Roundcube skins please visit https://github.com/roundcube/roundcubemail/wiki/Skins

LICENSE

The contents of this folder are subject to the Creative Commons Attribution-ShareAlike License. It is allowed to copy, distribute, transmit and to adapt the work by keeping credits to the original authors in the README.md file. See http://creativecommons.org/licenses/by-sa/3.0/ for details.

This folder also contains code licensed separately:

Bootstrap Framework 4 from https://github.com/twbs/bootstrap
FontAwesome 5 fonts from https://fontawesome.com/
Roboto font from https://google-webfonts-helper.herokuapp.com/fonts/roboto?subsets=cyrillic,latin-ext,cyrillic-ext,latin,greek,greek-ext

PROJECT GOALS

Create a user interface that is clean and usable with any screen size. Use new technologies like e.g. flexbox, @media, font-icons or less. Cleanup css/html and unify as much as possible.

INSTALLATION (development):

git clone https://github.com/roundcube/roundcubemail.git
cd roundcubemail/skins
git clone https://github.com/roundcube/elastic.git
Disable all external plugins and set devel_mode=true.

INSTALLATION (production):

All styles are written using LESS syntax. Thus it needs to be compiled using the lessc command line tool. This comes with the nodejs-less RPM package which depends on nodejs.

    $ lessc -x styles/styles.less > styles/styles.css
    $ lessc -x styles/print.less > styles/print.css
    $ lessc -x styles/embed.less > styles/embed.css

(the -x option minifies the CSS code)

References to image files from the included CSS files can be appended with cache-buster marks to avoid browser caching issues after updating.

Run bin/updatecss.sh --dir skins/elastic from the Roundcube package before packaging the skin or after installing it on the destination system.

RULES:

Supported browsers: IE11+, Edge, Last 2 versions for Chrome/Firefox/Safari, Android Browser 5+, iOS Safari 9+.
Minimum supported screen width is 240px (note that even if the device screen resolution is e.g.320x372 changing the text size in device settings will reduce the resolution)
Every page (which is not a frame) has following required structure:

    <body>
        <div id="layout">
            <div class="menu"></div>
            <div class="sidebar"></div>
            <div class="list"></div>
            <div class="content"></div>
        </div>
    </body>

where sidebar and list are optional. Which element of the layout will be displayed as a main view on mobile devices can be defined by adding selected class to it.

The <html> element will receive special classes that will be updated on resize or orientation change:
- touch: A touch device, screen width <= 1024px,
- 'layout-large`: Screen width > 1200px,
- layout-normal: Screen width <= 1200px and >= 768px,
- layout-small: Screen width < 768px and > 480px,
- layout-phone: Screen width <= 480px.
Frames will have the same classes applied as their parent windows.
Every button, that is not nor should have inner element for the button label.
Every iframe need to be wrapped by an element with iframe-wrapper class. It is required to have proper scrolling on mobile devices.
Special attributes:
- data-hidden: Makes a menu entry/button hidden on specified screen sizes. Can be used for example for functionality not implemented or that has no sense on phones or touch devices. Contains a comma-separated list following values: large (width > 1200px), big (width > 768px), small (width =< 768px).
- data-content-button: Makes the action button with this attribute to be copied to the content frame header on small/phone screens.
Special URLs: In phone mode we display Prev/Next navigation buttons below the content preview frame. We do this e.g. for mail preview or contact preview. Plugins should use _action=add* or _action=create* or _nav=hide in the frame URL if the navigation should be hidden, which is the case when you create a content object.