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customising advanced search

netos

hi

we would like to add additional options to advanced search, and we did so as explaned in the Wiki, except that when we selected a custom attribute to search against, it decided to show it as a drop down choice while we are interested in a multiple choice component.

any suggestions?

thx, netanel.

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Comments

kevinr

The Advanced Search UI will render the most appropriate component depending on the attribute type and the constraint. I don't believe it supports multi-value attributes for this though - you will have to raise an enhancement request in JIRA.

Thanks,

Kevin

netos

i figured it out.
i changed the component type from UISelectOne to UISelectMany, and with some little modifications it works.
thx anyway

claudio_martins

It would be great if you could post to the community what are these "little modifications" you've mentioned.

Cheers, CM.

netos

sure, no problems. was just waiting to see if it interests someone at all…

in the class UISearchCustomProperties in method generateControl(FacesContext, PropertyDefinition, String, String) i changed the component type in the else clause (~ line 402) i changed the component type from UISelectOne to UISelectMany. this only causes the app to crash when trying to go to advanced search screen since the ValueBinding for UISelectMany expects a list on any rendering attempt, while alfresco returns null on first rendering attempt. that required changing the field customProperties in class AdvancedSearchBean from HashMap to MyHashMap, a simple modified map which extends HashMap and returns an empty list instead of null when a request for the ValueBinding arrives.


public class MyHashMap<T1, T2> extends HashMap<T1, Object> {

&nbsp;&nbsp; @Override
&nbsp;&nbsp; public Object get(Object key) {
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Object result = super.get(key);
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if(result == null){
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if(key instanceof String){
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if(((String)key).contains
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (UISearchCustomProperties.PREFIX_LOV_ITEM))
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; return new LinkedList<String>();
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; else
&nbsp;&nbsp;&nbsp;return result;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; return result;
&nbsp;&nbsp; }
&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp; public MyHashMap(int i, float f) {
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; super(i, f);
&nbsp;&nbsp; }
}

‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍

now, i had to change the method search in the same bean in order to reflect the change. ~ line 876


else if (value != null)
{
&nbsp;&nbsp;&nbsp; Object item = this.customProperties.get(
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; UISearchCustomProperties.PREFIX_LOV_ITEM + qname);
&nbsp;&nbsp;&nbsp; if (item != null && !(item instanceof LinkedList))
&nbsp;&nbsp;&nbsp; {
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; // ListOfValues
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (((Boolean)value) == true)
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; {
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if(item instanceof ArrayList){ // just for the safe side
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; search.addListValueQuery(QName.createQName(qname),
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (ArrayList<String>)item);
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; else //we actually never get here
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; search.addFixedValueQuery(QName.createQName(qname), 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; item.toString());
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }
&nbsp;&nbsp;&nbsp; }
&nbsp;&nbsp;&nbsp; else…//left unchanged

‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍

in MyHashMap it's important to return LinkedList since JSF returns ArrayList and that is needed to differentiate between multiple selection types and other types which do not have ValueBinding. (getting LinkedList is equivalent to getting null as you can see in MyHashMap.)

finally, i had to add to SearchContext the method addListValueQuery and the appropriate field - Map<QName, ArrayList<String>> queryListValues
as similiar to queryAttributes for example.

the appropriate change in method buildQuery(int) is the addition of:


if (queryListValues.size() != 0)
{
&nbsp;&nbsp; for (QName qname : queryListValues.keySet())
&nbsp;&nbsp; {
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; flagSearchedProperty(qname);
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; String escapedName = Repository.escapeQName(qname);
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ArrayList<String> valuesList = queryListValues.get(qname);
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if(valuesList.size() != 0){
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; if (attributeQuery == null)
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; {
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; attributeQuery = new StringBuilder(queryListValues.size() << 6);
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; attributeQuery.append(" +(");
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; for(Iterator<String> iter = valuesList.iterator() ; iter.hasNext() ; )
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; {
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;String value = iter.next();
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;attributeQuery.append("@").append(escapedName)
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; .append(":\"").append(value).append('"');
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;if(iter.hasNext())
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; attributeQuery.append(" OR ");
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; attributeQuery.append(")");
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }
&nbsp;&nbsp;&nbsp; }
}

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that's it. any further questions will be welcomed.

gilles

As we would like to do the minimum modifications in the classes, I wondering if it is still not possible to configure a multiple choice in a customized advanced-search.jsp. For example we would like to let the user chose to restrict his search to some types; or to search only for some countries in a country list.
Is there any no-build-needed solution? (in 2.1 and/or 2.9?)

gavinc

I don't believe so, the best thing to do is to raise an enhancement request in JIRA.