Making the width of the left navcolumn adjustable via a property.

${maven.ui.navcol.width} now defaults to 20% and replaces a hardcoded
20% in the site.jsl.  With the new hierarchic expanding navigation,
it can get pretty wide when pushed to its limits.


git-svn-id: https://svn.apache.org/repos/asf/maven/maven-1/plugins/trunk@114314 13f79535-47bb-0310-9956-ffa450edef68

xdoc/plugin.properties

@@ -23,6 +23,8 @@ maven.xdoc.poweredby.image=maven-propaganda.png
 maven.xdoc.poweredby.title=Powered by Maven
 maven.xdoc.poweredby.url=http://maven.apache.org/
 
+# The width of the navigation column
+maven.ui.navcol.width = 20%
 
 #
 # UI Color Prefs

xdoc/src/plugin-resources/site.jsl

@@ -143,7 +143,7 @@
         <!-- Body of the page -->
         <table border="0" cellspacing="0" cellpadding="8" width="100%"> <!--id="main" -->
           <tr valign="top">
-            <td id="leftcol" width="20%">
+            <td id="leftcol" width="${maven.ui.navcol.width}">
               <div id="navcolumn">
                 <j:if test="${date == 'navigation-top'}">
                   <div>

xdoc/xdocs/properties.xml

@@ -260,6 +260,15 @@
             (gray).
           </td>
         </tr>
+        <tr>
+          <td>maven.ui.navcol.width</td>
+          <td>Yes</td>
+          <td>
+            Specifies the width for the navigation column.  The 
+            default value is <code>20%</code>
+            (gray).
+          </td>
+        </tr>
         <tr>
           <td>maven.ui.breadcrumbs.background</td>
           <td>Yes</td>