Changes between Version 1 and Version 2 of TracInterfaceCustomization


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Timestamp:
Oct 14, 2012 11:10:29 AM (5 years ago)
Author:
trac
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  • TracInterfaceCustomization

    v1 v2  
    11= Customizing the Trac Interface = 
    22[[TracGuideToc]] 
     3[[PageOutline]] 
    34 
    45== Introduction == 
     
    1516 
    1617=== Logo === 
    17 Change the `src` setting to `site/` followed by the name of your image file.  The `width` and `height` settings should be modified to match your image's dimensions (the Trac chrome handler uses "`site/`" for files within the project directory `htdocs` and "`common/`" for the common ones). 
     18Change the `src` setting to `site/` followed by the name of your image file.  The `width` and `height` settings should be modified to match your image's dimensions (the Trac chrome handler uses "`site/`" for files within the project directory `htdocs`, and "`common/`" for the common `htdocs` directory belonging to a Trac installation). Note that 'site/' is not a placeholder for your project name, it is the actual prefix that should be used (literally). For example, if your project is named 'sandbox', and the image file is 'red_logo.gif' then the 'src' setting would be 'site/red_logo.gif', not 'sandbox/red_logo.gif'. 
    1819 
    1920{{{ 
     
    2627 
    2728=== Icon === 
    28 Icons should be a 16x16 image in `.gif` or `.ico` format.  Change the `icon` setting to `site/` followed by the name of your icon file.  Icons will typically be displayed by your web browser next to the site's URL and in the `Bookmarks` menu. 
     29Icons should be a 32x32 image in `.gif` or `.ico` format.  Change the `icon` setting to `site/` followed by the name of your icon file.  Icons will typically be displayed by your web browser next to the site's URL and in the `Bookmarks` menu. 
    2930 
    3031{{{ 
     
    4041}}} 
    4142 
     43Should your browser have issues with your favicon showing up in the address bar, you may put a "?" (less the quotation marks) after your favicon file extension.  
     44 
     45{{{ 
     46[project] 
     47icon = /favicon.ico? 
     48}}} 
     49 
    4250== Custom Navigation Entries == 
    4351The new [mainnav] and [metanav] can now be used to customize the text and link used for the navigation items, or even to disable them (but not for adding new ones). 
    4452 
    45 In the following example, we rename the link to the Wiki start "Home", and hide the "Help/Guide". We also make the "View Tickets" entry link to a specific report . 
     53In the following example, we rename the link to the Wiki start "Home", and hide the "!Help/Guide". We also make the "View Tickets" entry link to a specific report . 
    4654{{{ 
    4755[mainnav] 
     
    5563See also TracNavigation for a more detailed explanation of the mainnav and metanav terms. 
    5664 
    57 == Site Appearance == 
     65== Site Appearance == #SiteAppearance 
    5866 
    5967Trac is using [http://genshi.edgewall.org Genshi] as the templating engine. Documentation is yet to be written, in the meantime the following tip should work. 
    6068 
    6169Say you want to add a link to a custom stylesheet, and then your own 
    62 header and footer.  Create a file {{{/path/to/env/templates/site.html}}} or {{{/path/to/inherit/option/templates_dir/site.html}}}, with contents like this: 
     70header and footer. Save the following content as `site.html` inside your projects `templates/` directory (each Trac project can have their own `site.html`), e.g. {{{/path/to/env/templates/site.html}}}: 
    6371 
    6472{{{ 
     
    9098</html> 
    9199}}} 
    92 Note that this references your environment's `htdocs/style.css`. 
    93  
    94 Example snippet of adding introduction text to the new ticket form (hide when preview): 
    95  
    96 {{{ 
    97 #!xml 
     100 
     101Those who are familiar with XSLT may notice that Genshi templates bear some similarities. However, there are some Trac specific features - for example `${href.chrome('site/style.css')}` attribute references a CSS file placed into environment's `htdocs/` directory. In a similar fashion `${chrome.htdocs_location}` is used to specify the common `htdocs/` directory belonging to a Trac installation. That latter location can however be overriden using the [[TracIni#trac-config|[trac] htdocs_location]] configuration setting. 
     102 
     103`site.html` is one file to contain all your modifications. It usually works using the `py:match` directive (element or attribute), and it allows you to modify the page as it renders - the matches hook onto specific sections depending on what it tries to find 
     104and modify them. 
     105See [http://groups.google.com/group/trac-users/browse_thread/thread/70487fb2c406c937/ this thread] for a detailed explanation of the above example `site.html`. 
     106A `site.html` can contain any number of such `py:match` sections for whatever you need to modify. This is all Genshi, so the [http://genshi.edgewall.org/wiki/Documentation/xml-templates.html docs on the exact syntax] can be found there. 
     107 
     108 
     109Example snippet of adding introduction text to the new ticket form (but not shown during preview): 
     110 
     111{{{#!xml 
    98112<form py:match="div[@id='content' and @class='ticket']/form" py:attrs="select('@*')"> 
    99113  <py:if test="req.environ['PATH_INFO'] == '/newticket' and (not 'preview' in req.args)"> 
     
    104118}}} 
    105119 
    106 If the environment is upgraded from 0.10 and a `site_newticket.cs` file already exists, it can actually be loaded by using a workaroud - providing it contains no ClearSilver processing. In addition, as only one element can be imported, the content needs some sort of wrapper such as a `<div>` block or other similar parent container. The XInclude namespace must be specified to allow includes, but that can be moved to document root along with the others: 
     120This example illustrates a technique of using `req.environ['PATH_INFO']` to limit scope of changes to one view only. For instance, to make changes in `site.html` only for timeline and avoid modifying other sections - use  `req.environ['PATH_INFO'] == '/timeline'` condition in `<py:if>` test. 
     121 
     122More examples snippets for `site.html` can be found at [trac:wiki:CookBook/SiteHtml CookBook/SiteHtml]. 
     123 
     124Example snippets for `style.css` can be found at [trac:wiki:CookBook/SiteStyleCss CookBook/SiteStyleCss]. 
     125 
     126If the environment is upgraded from 0.10 and a `site_newticket.cs` file already exists, it can actually be loaded by using a workaround - providing it contains no ClearSilver processing. In addition, as only one element can be imported, the content needs some sort of wrapper such as a `<div>` block or other similar parent container. The XInclude namespace must be specified to allow includes, but that can be moved to document root along with the others: 
    107127{{{ 
    108128#!xml 
     
    116136}}} 
    117137 
    118 Also note that the `site.html` (despite its name) can be put in a common templates directory - see the `[inherit] templates_dir` option. This could provide easier maintainence (and a migration path from 0.10 for larger installations) as one new global `site.html` file can be made to include any existing header, footer and newticket snippets. 
    119  
    120 == Project List == 
     138Also note that the `site.html` (despite its name) can be put in a common templates directory - see the [[TracIni#inherit-section|[inherit] templates_dir]] option. This could provide easier maintainence (and a migration path from 0.10 for larger installations) as one new global `site.html` file can be made to include any existing header, footer and newticket snippets. 
     139 
     140== Project List == #ProjectList 
     141 
    121142You can use a custom Genshi template to display the list of projects if you are using Trac with multiple projects.   
    122143 
     
    151172Once you've created your custom template you will need to configure the webserver to tell Trac where the template is located (pls verify ... not yet changed to 0.11): 
    152173 
     174For [wiki:TracModWSGI mod_wsgi]: 
     175{{{ 
     176os.environ['TRAC_ENV_INDEX_TEMPLATE'] = '/path/to/template' 
     177}}} 
     178 
    153179For [wiki:TracFastCgi FastCGI]: 
    154180{{{ 
     
    159185For [wiki:TracModPython mod_python]: 
    160186{{{ 
     187PythonOption TracEnvParentDir /parent/dir/of/projects 
    161188PythonOption TracEnvIndexTemplate /path/to/template 
    162189}}} 
     
    179206   }}} 
    180207 
     208== Project Templates == 
     209 
     210The appearance of each individual Trac environment (that is, instance of a project) can be customized independently of other projects, even those hosted by the same server. The recommended way is to use a `site.html` template (see [#SiteAppearance]) whenever possible. Using `site.html` means changes are made to the original templates as they are rendered, and you should not normally need to redo modifications whenever Trac is upgraded. If you do make a copy of `theme.html` or any other Trac template, you need to migrate your modifiations to the newer version - if not, new Trac features or bug fixes may not work as expected. 
     211 
     212With that word of caution, any Trac template may be copied and customized. The default Trac templates are located inside the installed Trac egg (`/usr/lib/pythonVERSION/site-packages/Trac-VERSION.egg/trac/templates, .../trac/ticket/templates, .../trac/wiki/templates, ++`). The [#ProjectList] template file is called `index.html`, while the template responsible for main layout is called `theme.html`. Page assets such as images and CSS style sheets are located in the egg's `trac/htdocs` directory. 
     213 
     214However, do not edit templates or site resources inside the Trac egg - installing Trac again can completely delete your modifications. Instead use one of two alternatives: 
     215 * For a modification to one project only, copy the template to project `templates` directory. 
     216 * For a modification shared by several projects, copy the template to a shared location and have each project point to this location using the `[inherit] templates_dir =` trac.ini option. 
     217 
     218Trac resolves requests for a template by first looking inside the project, then in any inherited templates location, and finally inside the Trac egg. 
     219 
     220Trac caches templates in memory by default to improve performance. To apply a template you need to restart the server. 
     221 
    181222---- 
    182223See also TracGuide, TracIni