I want to know how to set the page layout dynamically based on an extension's admin configuration values.
I found how to change the page layout in the layout xml file, http://devdocs.magento.com/guides/v2.0/frontend-dev-guide/layouts/xml-manage.html#layout_markup_columns, but couldn't find to do it based on admin configuration values.
In magento 1.x, I can do it.
<catalog_category_default>
<reference name="root">
<action method="setTemplate" ifconfig="settings/category/page_layout" condition="one_column"><template>page/1column.phtml</template></action>
<action method="setTemplate" ifconfig="settings/category/page_layout" condition="two_column_left"><template>page/2columns-left.phtml</template></action>
<action method="setTemplate" ifconfig="settings/category/page_layout" condition="two_column_right"><template>page/2columns-right.phtml</template></action>
<action method="setTemplate" ifconfig="settings/category/page_layout" condition="three_column"><template>page/3columns.phtml</template></action>
</reference>
</catalog_category_default>
But in magento 2, I couldn't do it.
Anyone know how to do this?