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| = Theming = The hgweb interface is completely themable. All output is generated from templates, nothing is hardcoded. Here's how it works: {{{#!wiki note Note that internally in the code, the term "style" may be used, but for the sake of avoiding confusion with other meanings of this word, the term "theme" is used in this document to describe the resources that change the hgweb interface's appearance. }}} <<TableOfContents>> == The Map File == The hgweb engine looks up themes in the `templates` directory, typically residing within the `mercurial` package when installed, although some operating system distributions may link `mercurial/templates` to another location (such as `/usr/share/mercurial/templates`). It is possible to set the location of the templates directory using the `templates` setting in the `web` section of an `hgrc` file such as `/etc/mercurial/hgrc` or the `.hgrc` file in the Web server user's home directory. A theme may have its own directory with a file named `map`, or it may place a file in the `templates` directory with a name of the form `map-<theme>`, and this map file will look something like this: {{{ default = 'shortlog' mimetype = 'text/html; charset={encoding}' header = header.tmpl footer = footer.tmpl search = search.tmpl changelog = changelog.tmpl shortlog = shortlog.tmpl shortlogentry = shortlogentry.tmpl naventry = '<a href="{url}log/{node|short}{sessionvars%urlparameter}">{label|escape}</a> ' ... }}} This maps a template name to either a file (for example, the content for `header` is found in the `header.tmpl` file) or a simple quoted string (such as the content for `naventry` in the above example). The latter is used for small templates where a separate file would be awkward. A theme is simply a separate map file and possibly some additional template files. Mercurial comes with a few themes already, including the default HTML style (called `paper`), an XML style for Atom and RSS feeds, and a `raw` theme that allows getting patches and source files as plain text, as well as a gitweb-lookalike theme. In version 1.5 there are also `coal`, `monoblue` and `spartan` themes. == Templates == Each template is simply a file or string with a number of tags of the form `{variable}` that get replaced with the appropriate text when the template gets processed. For example, here's a simplified version of the template for the tags page in the `spartan` theme: {{{ {header} <title>{repo|escape}: tags</title> </head> <body> <div class="buttons"> <a href="{url}log{sessionvars%urlparameter}">changelog</a> <a href="{url}shortlog{sessionvars%urlparameter}">shortlog</a> <a href="{url}graph{sessionvars%urlparameter}">graph</a> <a href="{url}branches{sessionvars%urlparameter}">branches</a> <a href="{url}file/{node|short}/{sessionvars%urlparameter}">files</a> </div> <h2>tags:</h2> <ul id="tagEntries"> {entries%tagentry} </ul> {footer} }}} There are four main kinds of template operations in the above example: * The ''inclusion'' of a fragment `{header}` which brings in text from another location * The ''substitution'' of a variable `{url}` which replaces the variable name with a proper value * The substitution of a variable which is then processed or ''filtered'', so that `{repo|escape}` replaces the variable name `repo` with a value that has been processed by the `escape` function * The ''interpolation'' `{entries%tagentry}` of values in a collection `entries` using a fragment `tagentry` which brings in text that will be processed according to each set of values Here, we define a ''fragment'' as a template defined in the map file that contributes to another template by providing a region of the final document, page or response. === Essential Templates === To have a functioning theme, the following templates appear to be necessary: ==== Page-Level Templates ==== These templates provide entire pages: || '''Template''' || '''Information''' || '''View Type''' || || bookmarks || bookmarks || per-repository (introduced in recent versions) || || branches || named branches || per-repository (introduced in recent versions) || || changelog || history || per-repository || || changeset || log entry view || || || error || error page || || || fileannotate || file editors/contributors || per-file || || filediff || file changes || per-file || || filerevision || file view || per-file || || graph || graphical history || per-repository (introduced in recent versions) || || help || command/topic reference || || || index || list of repositories || || || manifest || files/browse || per-repository || || notfound || resource not found page || || || search || search results page || || || shortlog || history || per-repository || || summary || summary/dashboard page || per-repository || || tags || tag definitions || per-repository || The `mercurial.hgweb.webcommands` module contains a list of the supported commands in its `__all__` attribute; the templates above correspond to many of these commands. ==== Fragments ==== These templates are used by the page-level templates to complete displayed pages: || '''Fragment''' || '''Purpose''' || '''Data Type''' || || header || page header || ''special substitution without data'' || || footer || page footer || ''special substitution without data'' || || mimetype || content/media type || ''special substitution without data'' || || diffblock || lines in a diff || (`lines`, `parity`) || || filedifflink || link to diff || (`node`, `file`) || || fileellipses || `...` or similar || ''special substitution without data'' || || filenolink || reference to file || (`node`, `file`, `parity`) || || filenodelink || link to file || (`node`, `file`, `parity`) || || searchentry || search result || shortlogentry || || tagentry || tag details (summary) || (`node`, `tag`, `date`, `parity`) || ==== Data Types ==== The following data types or structures are available to various templates and fragments: || '''Data Type''' || '''Members''' || || annotate (fileannotate) || `parity`, `rev`, `node`, `author`, `desc`, `file`, `targetline`, `line`, `lineid`, `linenumber` || || archives (index) || `node`, `url`, `type`, `extension` || || bookmarks (summary) || `parity`, `node`, `date`, `bookmark` || || branches (summary) || `parity`, `node`, `date`, `branch` || || changeset || `rev`, `node`, `author`, `desc`, `date`, `tags`, `branches`, `inbranch`, `parent`, `child`, `files`, `diff`, `branch`, `changesettag`, `changesetbranch`, `archives` || || entries (changelog) || `parity`, `rev`, `node`, `author`, `desc`, `date`, `tags`, `branches`, `inbranch`, `parent`, `child`, `files`, `changelogtag` || || entries (filelog) || `parity`, `filerev`, `node`, `author`, `desc`, `date`, `tags`, `branches`, `inbranch`, `parent`, `child`, `branch`, `rename`, `file` || || entries (index) || `parity`, `contact`, `contact_sort`, `name`, `name_sort`, `url`, `description`, `description_sort`, `lastchange`, `lastchange_sort`, `archives` || || entries (search) || ''template of entries (changelog)'' || || fileannotate || `rev`, `node`, `author`, `desc`, `date`, `parent`, `child`, `branch`, `rename`, `file`, `annotate`, `permissions` || || filediff || `rev`, `node`, `author`, `desc`, `date`, `parent`, `child`, `branch`, `rename`, `file`, `diff` || || manifest || `rev`, `node`, `tags`, `branches`, `inbranch`, `archives`, `path`, `up`, `upparity`, `dentries`, `fentries` || || shortlog (summary) || ''template of shortlogentry'' || || shortlogentry || `parity`, `rev`, `node`, `author`, `desc`, `date`, `tags`, `branches`, `inbranch` || Source: `mercurial.hgweb.webcommands`; in addition, the `mercurial.hgweb.hgwebdir_mod` module provides the `hgwebdir.makeindex` method which defines the data used to present the navigable index of repositories. Note that some data types yield collections of templates, not values. Such templates are thus directly substituted into other templates. See also the selection of tag and branch representations below. ==== Tags and Branches ==== || '''Data Type Member''' || '''Description''' || || bookmarks (''except summary'') || list containing dictionaries mapping `"name"` to each bookmark name || || branches (''except summary'') || list containing at most one dictionary mapping `"name"` to the branch name || || inbranch || list containing at most one dictionary mapping `"name"` to the branch name || || tag || tag name || || tags || list containing dictionaries mapping `"name"` to each tag name || == Inclusion and Substitutions == Although the above definition of a template (`{variable}` gets replaced with some text) would imply that arbitrary substitutions can be defined, in practice some limitations apply: * Only fragments listed above as providing ''special substitution without data'' can be incorporated into a template or fragment using a simple inclusion or substitution * For example: `{header}` * See the note below about the limitations of inclusion * Thus, all other fragments must be used in ''interpolation'' operations, as described below * Only a selection of variables is defined for each template or fragment * For example: `{url}` * See the fragments and data types tables above for some guidance See the filters section below for a description of how filters can be applied to substitutions. === Limitations of Inclusion === It is not currently possible to define arbitrary substitutions in the map file and then reference them as if they were simple variables (like `{url}` or `{repo|escape}`). For example, defining the following in the map file... {{{ logo = '<img src="/images/mercurial.png" alt="Mercurial logo" />' }}} ...and then inserting the reference `{logo}` in a template will not cause the substitution to occur. == Interpolations == Consider the `{entries%tagentry}` line in the following example: {{{ <ul id="tagEntries"> {entries%tagentry} </ul> }}} The `entries` variable is actually a list of variable mappings, and the `%` syntax instructs the template engine to apply the `tagentry` format to each of them. The members in each variable mapping are given above in the fragments and data types tables. Note that the `tagentry` template (or fragment) is successfully referenced here, and its contents used to format each entry in the `entries` collection, precisely because an interpolation is being performed. Thus, the limitation described above (where an unconditional `{tagentry}` reference would fail) does not apply here. == Filters == There is also a set of filters that can be applied when substituting values into templates, for example: {{{ <title>{repo|escape}: changeset {node|short}</title> }}} This applies the `escape` filter to the `repo` variable and the `short` filter to the `node` variable. Multiple filters can be applied to a single variable: {{{ <h2>changeset: {repo|escape|firstline}</h2> }}} The available filters include: || '''Encoding''' || '''Description''' || '''Example''' || '''Example Output''' || || `addbreaks` || insert `<br>` tags for newlines || || || || `escape` || escape text as HTML || || || || `obfuscate` || disguise email addresses || || || || `person` || Remove email address from user name|| || || || `urlparameter` || escape text for use in URL parameters || || || || `xmlescape` || escape text as XML || || || ||<-4> '''Dates/Times''' || || `age` || print a date in `x days ago` format || `{date|age}` || `15 hours ago` || || `date` || print a date in default format || `{date|date}` || `Mon Mar 29 15:16:05 2010 -0500` || || `localdate` || print a date in the local timezone || `{date|localdate|rfc822date}` || `Mon, 29 Mar 2010 21:16:05 +0100` || || `isodate` || print a date in ISO 8601 format || `{date|isodate}` || `2010-03-29 15:16 -0500` || || `rfc822date` || print a date in rfc822 format || `{date|rfc822date}` || `Mon, 29 Mar 2010 15:16:05 -0500` || || `rfc3339date` || print a date in rfc3339 format || `{date|rfc3339date}` || `2010-03-29T15:16:05-05:00` || || `shortdate` || print a date in short format || `{date|shortdate}` || `2010-03-29` || ||<-4> '''Formatting''' || || `firstline` || print the first line of a multiline string || || || || `permissions` || convert a permission code to `ls`-style formatting || || || || `short` || print node ids in short form || || || == Creating Your Own Theme == Now that you know how the templates work, creating your own theme is simply a matter of copying the stock map file to `map-mytheme`, modifying it, and copying any template files you modify. == Selecting a Theme == Themes (known also as styles) can be switched by appending the `style=mytheme` URL parameter, preceding it with `?` or `&` as appropriate. This should allow you to navigate around the Web interface using the specified theme, although some operations may reset the theme. To switch the default theme for your repository viewer, add the following to your `.hg/hgrc` file: {{{ [web] style = mytheme }}} ---- CategoryWeb |
There really isn't any arguing that" [[http://www.rts-league.org/forums/profile.php?id=42292|Elysium]]" came in at the low end housing, distraught neighborhoods, down on their luck civilians, but then why does he end up in California? Dan is also a good idea to practice spraying something besides the cake first if you have to mini-cakes. |
There really isn't any arguing that" Elysium" came in at the low end housing, distraught neighborhoods, down on their luck civilians, but then why does he end up in California? Dan is also a good idea to practice spraying something besides the cake first if you have to mini-cakes.