Recently, I have been working on a Movable Type based website for monthly research data. We found that we needed to create a sidebar module displaying monthly entries grouped by year. After some head scratching I came up with the following MT4 code.
<MTSetVarBlock name="category"><MTEntryCategory></MTSetVarBlock> <h3>Historic Data</h3> <$MTSetVar name="year" value="0"$> <MTEntries sort_order="descend" category="$category"> <MTIfNotEqual a="[MTEntryDate format='%Y']" b="[MTGetVar name='year']"> <MTIfNotEqual a="[MTGetVar name='year']" b="0"></ul></MTIfNotEqual> <h4><$MTEntryDate format="%Y"$></h4><ul> <MTSetVarBlock name="year"><$MTEntryDate format="%Y"$></MTSetVarBlock> </MTIfNotEqual> <li><a href="<$MTEntryPermalink$>"><$MTEntryTitle$></a></li> </MTEntries>
This code sets a variable, $category, containing the name of the category associated with the current entry. It then selects all the entries in this category in descending date order. A $year variable then tracks the year of the last entry, printing out a heading when the year changes.
