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date	2004.08.28.22.59.17;	author ArthurClemens;	state Exp;
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@%META:TOPICINFO{author="TWikiContributor" date="1130019100" format="1.1" version="4"}%

---+!! %TWIKIWEB%.PatternSkin Customization

*Questions and answers on configuring page elements.* For styling your TWiki, see PatternSkinCssCookbook.

%TOC%

---++ Logo questions

---+++ How can I change the web logo?

By default the logo at the top left of each web points to the image with name =logo.gif= that is attached to each web's WebPreferences. <br />
The default variables that cause this behavior are defined in [[%WIKIPREFSTOPIC%]].

Redefine your custom variables in [[%LOCALSITEPREFS%]] (to keep %WIKIPREFSTOPIC% intact):
<pre>
		* Set <nop>WEBLOGONAME = logo.gif
		* Set <nop>WEBLOGOIMG = %<nop>PUBURLPATH%/%<nop>BASEWEB%/%<nop>WEBPREFSTOPIC%/%<nop>WEBLOGONAME%
		* Set <nop>WEBLOGOURL = %<nop>SCRIPTURLPATH{"view"}%/%<nop>BASEWEB%/%<nop>HOMETOPIC%
		* Set <nop>WEBLOGOALT = Home
</pre>

There are several ways to change the logo in a web:
	* Create a new image named =logo.gif= and attach it to the web's WebPreferences topic. %TWIKIWEB%.PatternSkin's stylesheet assumes the logo is 40px high. More about that later.
	* You can also upload the image with FTP to =/pub/YourWeb/WebPreferences/=.
or:
	* Attach whatever image and attach it to the web's WebPreferences topic. Then add to the WebPreferences (under _Custom web preferences_):
<pre>
		* Set <nop>WEBLOGONAME = your-logo-name.gif-or-png
</pre>

---+++ How do I set a site-wide logo?

There is a bunch of site-wide logo variables in [[%LOCALSITEPREFS%]]: =WIKILOGOIMG=, =WIKILOGOURL= and =WIKILOGOALT=.
To change only the web logo image to site-wide, in [[%LOCALSITEPREFS%]] set:
<pre>
	* Set <nop>WEBLOGOIMG = %<nop>WIKILOGOIMG%
</pre>


---+++ My logo does not fit the top bar

The top bar is 64 pixels high by default. If you have a bigger logo you might want to change the height of the top bar in [[%PUBURLPATH%/%TWIKIWEB%/PatternSkin/layout.css][layout.css]]:
<verbatim>
/* height of the top bar */
#patternLeftBar {
	top:64px; /*C3*/
}
#patternTopBar,
#patternTopBar table.patternTopBarContents {
	height:64px; /*C3*/
}
</verbatim>

(C3 is used as reference to all occurrences with the same value)

You can change these numbers in [[%PUBURLPATH%/%TWIKIWEB%/PatternSkin/layout.css][layout.css]] directly, or create a new stylesheet, attach it to a topic and point =USERLAYOUTURL= to that topic attachment. See %TWIKIWEB%.PatternSkinCssCookbook about creating custom styles.

---+++ I want to change the white space above and below the logo

The logo is centered vertically be default. If you want to align it to the top, change the style in [[%PUBURLPATH%/%TWIKIWEB%/PatternSkin/style.css][style.css]].

Change:
<verbatim>
table.patternTopBarContents td {
	height:100%;
	width:100%;
	vertical-align:middle;
}
</verbatim>
to:
<verbatim>
table.patternTopBarContents td {
	height:100%;
	width:100%;
	vertical-align:top;
}
</verbatim>

You can also define an offset like this:
<verbatim>
table.patternTopBarContents td {
	height:100%;
	width:100%;
	vertical-align:top;
	padding-top:12px;
}
</verbatim>

---+++ I want to set or change the top background image

The image at the top is called "header art" - after the traditional top image found on blog sites. The image that is displayed by default is set by the variable =WEBHEADERART=, defined in [[%WIKIPREFSTOPIC%]].

Redefine your custom variables in [[%LOCALSITEPREFS%]] (to keep %WIKIPREFSTOPIC% intact):
<pre>
	* Set WEBHEADERART = %<nop>PUBURLPATH%/%<nop>TWIKIWEB%/PatternSkin/TWiki_header.gif
	* Set WEBHEADERBGCOLOR = somehexcolor
</pre>

You can also set =WEBHEADERART= per web, by defining the variable in the Web's !WebPreferences.

---+++ I want to have the language selection in the top bar

If you want to have the language selection more prominent, you can put a language selection dropdown box in the top bar. Put this in %TWIKIWEB%.WebTopBar:
<verbatim>
<div class="twikiRight" style="margin-right:2em;">
<form id="topBarChangeLanguage" action="%SCRIPTURLPATH{"oops"}%/%WEB%/%TOPIC%" method="get">
<select name="language" onchange="document.getElementById('topBarChangeLanguage').submit()">
%LANGUAGES{format="<option value='$langtag'>$langname</option>" }%
</select>
<input type="hidden" name="template" value="oopslanguagechanged" />
<noscript>
<input type="submit" value="%MAKETEXT{"Change language"}%" />
</noscript>
</form>
</div>
</verbatim>

This will render like this:

<div style="padding:1em 0 1em 1em; border:1px solid #ddd;">
<span class="patternTopBarLogo"><a href="%WEBLOGOURL%"><img src="%WEBLOGOIMG%" border="0" alt="%WEBLOGOALT%" /></a></span><!-- /patternTopBarLogo-->
<div class="twikiRight" style="margin-right:2em;">
<form id="topBarChangeLanguage" action="%SCRIPTURLPATH{"oops"}%/%WEB%/%TOPIC%" method="get">
<select name="language" onchange="document.getElementById('topBarChangeLanguage').submit()">
%LANGUAGES{format="<option value='$langtag'>$langname</option>" }%
</select>
<input type="hidden" name="template" value="oopslanguagechanged" />
<noscript>
<input type="submit" value="%MAKETEXT{"Change language"}%" />
</noscript>
</form>
</div>
</div>
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%META:TOPICINFO{author="ArthurClemens" date="1093733957" format="1.0" version="1.3"}%
---+!! Customization of !PatternSkin
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This page describes ways to change the layout, fonts and colors of PatternSkin.
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%TOC{title="Page contents:"}%
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---++ Your own TWiki look
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You can easily create your own TWiki look by attaching modified css files to your home page:
	* If you want to change the layout of the page, download layout.css from TWiki.PatternSkin
	* If you want to change the spacing or colors, download style.css from TWiki.PatternSkin
	* modify the CSS in either style sheet, using tips from this page
	* [[%SCRIPTURL%/attach%SCRIPTSUFFIX%/%MAINWEB%/%WIKINAME% attach]] your modified !layout.css and/or !style.css to your home page 
	* as shown below, add the =USERLAYOUTURL= and =USERSTYLEURL= settings to [[%MAINWEB%.%WIKINAME%][your home page]]
<verbatim>
	* Personal TWiki.PatternSkin CSS settings
		* Set USERLAYOUTURL = %PUBURL%/%MAINWEB%/%WIKINAME%/layout.css
		* Set USERSTYLEURL = %PUBURL%/%MAINWEB%/%WIKINAME%/style.css
</verbatim>

---++ Screen parts
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The !PatternSkin view template uses four screen parts:
	* The topic part - contains besides the topic content: action buttons, form table, attachment table, topic info  
	* Top bar - used for a logo, contains Go box
	* Left bar - site and web navigation, contains a personal link block; may contain a Go box
	* Bottom bar - copyright, disclaimer
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These parts are dynamically included topics:
	* Top bar: TWiki.WebTopBar 
	* Left bar: included topic WebLeftBar (one !WebLeftBar topic per web)
		* Personal links block: %MAINWEB%.%<nop>USERNAME%LeftBar. Your own personal leftbar: %MAINWEB%.%USERNAME%LeftBar
	* Bottom bar: included topic TWiki.WebBottomBar
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---+++ Top bar
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The top bar is mainly used as branding space. To change the screen room for the logo, see below, [[%TOPIC%#Customizing_the_logo][Customizing the logo]].

---+++ Left bar

The menu items are css-formatted bullet lists. So in WebLeftBar you write:
<verbatim>
	* *Group*
	* [[SomeTopic][Link 1]]
	* [[AnotherTopic][Link 2]]
	* [[ThirdTopic][Link 3]]
</verbatim>
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The left bar may contain a Go box instead of the top bar. Use:
<verbatim>
	* <input type="text" name="topic" size="16" />
</verbatim>
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The personal left bar block is formatted like the rest of the left bar.
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---++++ Putting the left bar at the right
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If you have a low screen resolution of say, 640 by 480 pixels, it can be useful to put the left bar "out of the way", at the right side of the page - at the cost of a horizontal scroll bar to access the left (now right) bar. This CSS does this:
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<blockquote>
Add this to layout.css:
<!-- /* -->
<verbatim>
.twikiMain {
	margin-left:0px;
}
.twikiLeftBar {
	margin-left:100%;
}
.twikiBottomBar {
	margin-left:1em;
	margin-right:0;
	padding:0;
}
</verbatim>
<!-- */ -->
Add this to style.css:
<!-- /* -->
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.twikiMain {
	padding-left:1em;
	padding-right:1em;
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.twikiBottomBarContents {
	padding-left:0em;
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<!-- */ -->
</blockquote>

This CSS is also attached to this topic, [[%ATTACHURL%/LowRes.css][LowRes.css]]. To use this style, add this to your home page:
<verbatim>
	* Personal TWiki.PatternSkin CSS settings
		* Set USERLAYOUTURL = %PUBURL%/%SYSTEMWEB%/PatternSkinCustomization/LowRes.css
</verbatim>
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---+++ Bottom bar
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The bottom bar contains the copyright disclaimer, but may contain other information, perhaps a web list.
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---++ Customizing the logo
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The top bar is 60 pixels high, and has a padding of 5 pixels on top, bottom and left, so the logo should be 50 pixels high. If your logo image has a different size, you can either alter the padding in =style.css= (.twikiTopBarContents) or change the top bar height in =layout.css= (look for the comment _setting the height of the top bar_).
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You can also choose to set a background image for the top bar. In =style.css=, add this to .twikiTopBar:
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	background-position:top left;
	background-attachment:fixed;
	background-repeat:no-repeat;
	background-image:url(http://absolute_path_to_your_image);
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and set the correct image file path.

---++ Fonts

---+++ Font style

Font styles are defined in =style.css= in these places:
<!--
/*
-->
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html body {
	font-family:"Lucida Grande", verdana, lucida, helvetica, sans-serif;
}
h1, h2, h3, h4, h5, h6 {
	font-family:"Lucida Grande", helvetica, lucida, verdana, sans-serif;
}
textarea {
	font-family:monospace;
}
input, select {
	font-family:verdana,arial,sans-serif;
}
.twikiSeparator {
	font-family:Arial,sans-serif;
}
.twikiEditPage .twikiSig input {
	font-family:monospace;
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<!--
*/
-->

---+++ Font size
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Font sizes in !PatternSkin are scalable. This means that even on Windows Explorer, the text in the browser can scale with the user settings (in contrast to many sites where texts have a fixes pixel size, these cannot be changed by the user).

Scalable text is a big accessibility asset. If you notwithstanding want to have a fixed font, or if you want to set the default size smaller or bigger, the easiest way is to make a new entry for body, below the 2 other entries:
<!-- /* -->
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html body {
	... (keep)
}
html>body {
	... (keep)	
}
html body {
	font-size:11px;
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<!-- */ -->
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---++ Colors
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<span style="background:#000000" >&nbsp;</span><span style="background:#041d3a" >&nbsp;</span><span style="background:#05264d" >&nbsp;</span><span style="background:#333333" >&nbsp;</span><span style="background:#334455" >&nbsp;</span><span style="background:#880000" >&nbsp;</span><span style="background:#990000" >&nbsp;</span><span style="background:#844f0c" >&nbsp;</span><span style="background:#22638c" >&nbsp;</span><span style="background:#666666" >&nbsp;</span><span style="background:#3db234" >&nbsp;</span><span style="background:#1559b3" >&nbsp;</span><span style="background:#1e5bbd" >&nbsp;</span><span style="background:#808080" >&nbsp;</span><span style="background:#888888" >&nbsp;</span><span style="background:#e24628" >&nbsp;</span><span style="background:#698fa8" >&nbsp;</span><span style="background:#9e9e70" >&nbsp;</span><span style="background:#888e9c" >&nbsp;</span><span style="background:#8490a1" >&nbsp;</span><span style="background:#ff0000" >&nbsp;</span><span style="background:#ff3000" >&nbsp;</span><span style="background:#98a2b0" >&nbsp;</span><span style="background:#aaaaaa" >&nbsp;</span><span style="background:#bbbbbb" >&nbsp;</span><span style="background:#a3bcf1" >&nbsp;</span><span style="background:#cccccc" >&nbsp;</span><span style="background:#ffff00" >&nbsp;</span><span style="background:#b9d6fa" >&nbsp;</span><span style="background:#dadada" >&nbsp;</span><span style="background:#b4d5ff" >&nbsp;</span><span style="background:#dddddd" >&nbsp;</span><span style="background:#e9e9e9" >&nbsp;</span><span style="background:#e0e9f7" >&nbsp;</span><span style="background:#efedea" >&nbsp;</span><span style="background:#f3ede7" >&nbsp;</span><span style="background:#dfedfd" >&nbsp;</span><span style="background:#eeeeee" >&nbsp;</span><span style="background:#ebf7ea" >&nbsp;</span><span style="background:#efefef" >&nbsp;</span><span style="background:#ffeae5" >&nbsp;</span><span style="background:#e8f1f9" >&nbsp;</span><span style="background:#f1f1f1" >&nbsp;</span><span style="background:#f2f2f2" >&nbsp;</span><span style="background:#f8f8f8" >&nbsp;</span><span style="background:#f5f7fd" >&nbsp;</span><span style="background:#fcfaf7" >&nbsp;</span><span style="background:#ffffff" >&nbsp;</span>
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To create a customised palette of colors, see PatternSkinPalette.
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---++ Tables
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---+++ Tables in topic text
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If you have TablePlugin installed, tables in topics take on the properties from =TABLEATTRIBUTES=. Without TablePlugin (if not installed, or disabled in TWikiPreferences under =DISABLEDPLUGINS=), the tables have a default appearance that is hardcoded in Render.pm. Styles of topic text tables are not set in a style sheet. If you want to have control over the design of tables, for instance if you work with a style guide, you should add table styles under =.twikiTopic=. See for an example below.

---++++ Topic text table example

This is an example css to give tables in topic text a similar appearance. This will override settings in TablePlugin. This code should be added below the other =.twikiTopic= code in style.css:
<!-- /* -->
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.twikiTopic table {
	border-collapse:collapse;
	padding:0px;
	border-spacing:0px;
	empty-cells:show;
	border:0px;
}
.twikiTopic table th {
	background-color:#ccc;
	padding:0.5em 1em;
}
.twikiTopic table td {
	border:1px solid #eee;
}
/* override hardcoded font color */
.twikiTopic table font {
	color:#1e5bbd;
}
.twikiTopic table th a:link,
.twikiTopic table th a:visited {
	color:#1e5bbd;
	text-decoration:none;
}
/* don't show hover background color because we have a table header background */
.twikiTopic table th a:hover {
	background-color:transparent;
	text-decoration:underline;
	border-width:1px;
}
/* no underline if a sort indicator (line) is displayed */
.twikiTopic table th.twikiSortedDescendingCol a:hover,
.twikiTopic table th.twikiSortedAscendingCol a:hover {
	text-decoration:none;
}
/* hide sort icons */
.twikiTopic table th img,
.twikiTopic table th a:link img,
.twikiTopic table th a:visited img {
	display:none;
}
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<!-- */ -->

---+++ Attachment table, Form table

The appearance of the form table and the attachment table are set in style.css under =.twikiForm= and =.twikiAttachments=. Text in these tables is set to wrap, so often the dates are wrapped to two lines. If you prefer to have text on one line and are not disturbed by an extra wide attachment table (or when you screen resolution is big enough), add this code to =.twikiAttachments td, .twikiForm td {=:

<!-- /* -->
<verbatim>
	white-space:nowrap;
</verbatim>
<!-- */ -->

---+++ Other templates

Other templates than =view= use the style =.twikiVersatileTable= for, as the name says, tables with versatile functions. Versatile tables appear a little diffent in each template page (differences are created using multiple classes). Versatile tables are mostly used to format forms to highlight important parts and to dim less important parts. See =style.css= for specific settings for each template.
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-- TWiki:Main.ArthurClemens - 28 Aug 2004
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%META:FILEATTACHMENT{name="LowRes.css" attr="" comment="CSS to put the left bar at the right, with horizontal scroll bar" date="1093734017" path="LowRes.css" size="287" user="ArthurClemens" version="1.1"}%
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%META:TOPICINFO{author="PeterThoeny" date="1092717888" format="1.0" version="1.2"}%
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-- TWiki:Main.ArthurClemens - 15 Aug 2004
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%META:TOPICINFO{author="ArthurClemens" date="1092634575" format="1.0" version="1.1"}%
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-- Main.ArthurClemens - 15 Aug 2004
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