<h2>{i18n}Search Criteria Editor{/i18n}</h2>

<p class="descriptiveText">
{i18n}The search criteria editor allows you to utilise the full power of the KnowledgeTree search engine by allowing you to perform more complicated searches by using the free text criteria format.{/i18n}

{capture assign=options}
<a href="{$rootUrl}/search2.php?action=guiBuilder">Advanced Search</a>
{/capture}
<p>
{i18n arg_options=$options}The #options# may also be used to perform searches.{/i18n}

<P>
<div>
<table>
<tr>
<td valign=top>
<fieldset>
{if $txtQuery == ''}
{assign var=txtQuery value="Title contains \"something\" or \nMetadata contains \"else\""}
{/if}
{literal}
<script>
var parseSuccess = true;
var actionAfterParse = 'none';
var gotSearchParseStatus = function callBack(o)
{
	if (o.responseText != '{}')
	{
		var resp = eval('(' + o.responseText + ')');
		var butSearch = document.getElementById('butSearch');

		if (resp.status == 0)
		{
			parseSuccess = true;
			if (actionAfterParse == 'none')
			{
				alert('{/literal}{i18n}The expression parsed successfully.{/i18n}{literal}');
			}
			else if (actionAfterParse == 'search')
			{
				var frmQuery = document.getElementById('frmQuery');
				frmQuery.submit();
			}
			else if (actionAfterParse == 'save')
			{
				actionAfterParse = 'saveCompleted';
				var txtQuery = document.getElementById('txtAdvQuery');
				url='{/literal}{$rootUrl}{literal}/search2/ajax/saveExpr.php?iSavedId={/literal}{$iSavedSearchId}{literal}&txtQuery='+txtQuery.value;
				//alert(url);
				YAHOO.util.Connect.asyncRequest('GET',url, searchCallback);
			}
			else if (actionAfterParse == 'saveCompleted')
			{
				$('saved').style.display='block';
			}
		}
		else
		{
			if (actionAfterParse == 'none' || actionAfterParse == 'save')
			{
				alert('{/literal}{i18n}There is a problem with the expression.{/i18n}{literal}\n\n' + resp.message );
			}
			else  if (actionAfterParse == 'saveCompleted')
			{
				alert('{/literal}{i18n}There is a problem saving the expression.{/i18n}{literal}\n\n' + resp.message );
			}
			parseSuccess = false;
		}
	}
}
var gotNoStatus = function callBack(o)
{
	alert('{/literal}{i18n}There is a problem communicating with the server.{/i18n}{literal}' +  o.responseText);
}

var searchCallback =
{
	success:gotSearchParseStatus,
	failure:gotNoStatus
}
function startParsing()
{
	if (!parseSuccess)
	{
		alert('{/literal}{i18n}There has been a parsing problem. Please check the search expression.{/i18n}{literal}');
		return;
	}
	var txtQuery = document.getElementById('txtAdvQuery');
	url='{/literal}{$rootUrl}{literal}/search2/ajax/parseExpr.php?txtQuery='+txtQuery.value;
	YAHOO.util.Connect.asyncRequest('GET',url, searchCallback);
}
function butParseClick()
{
	actionAfterParse = 'none';
	parseSuccess = true;
	startParsing();
}
function butClearClick()
{
	var txtQuery = document.getElementById('txtAdvQuery');
	txtQuery.value = '';
}
function butSearchClick()
{
	actionAfterParse = 'search';
	startParsing();
}

function butSaveClick()
{
	actionAfterParse = 'save';
	startParsing();
}
function txtQueryChange(el)
{
	$('saved').style.display='none';
}
</script>
{/literal}
<legend>{i18n}Advanced Query{/i18n}</legend>


<form  id=frmQuery name=frmQuery method="POST" action="{addQS}action=process{/addQS}">
<textarea id="txtAdvQuery" name="txtQuery" cols=50 rows=10 onkeypress="txtQueryChange(this)">{$txtQuery}</textarea>
<br/>
<input type="button" id="butSearch" value="{i18n}Search{/i18n}" onclick="butSearchClick()"/>
<input type="button" value="{i18n}Parse{/i18n}" onclick="butParseClick(true)"/>
<input type="reset"  value="{i18n}Reset{/i18n}" />
<input type="button" value="{i18n}Clear{/i18n}" onclick="butClearClick()"/>
</form>
</div>
</fieldset>
{if $bSave}
<fieldset>
<legend>{i18n}Save{/i18n}</legend>
{i18n}You are currently editing the saved search:{/i18n}{$edtSaveQueryName}<br/>
	<table>
 	<tr><td><input type="button" align="right" value="{i18n}Save{/i18n}" onclick="butSaveClick()"/>
 	<td><div id="saved" style="display: none"><font color=brown>{i18n}Saved{/i18n}</font></div>
 </table>
 </td>
</div>
</fieldset>
{/if}
</td>
<td valign=top>

<fieldset>

<legend>{i18n}Grammar{/i18n}</legend>
{i18n}Criteria may be built up using the following grammar:{/i18n}<br/>
expr ::= expr {literal}{{/literal} AND | OR {literal}}{/literal} expr<br/>
expr ::= NOT expr<br/>
expr ::= (expr)<br/>
expr ::= field {literal}{ < | <= | = | > | >= | CONTAINS |STARTS WITH | ENDS WITH }{/literal} value<br/>
expr ::= field BETWEEN value AND value<br/>
expr ::= field DOES [ NOT ] CONTAIN value<br/>
expr ::= field IS [ NOT ] LIKE value<br/>

value ::= "{i18n}search text here{/i18n}"

</fieldset>
<p class="descriptiveText">
{literal}
<script>

function wordclicked(word)
{
var sq = document.getElementById('txtAdvQuery');
if (sq.value != '') sq.value += ' ';
sq.value += word + ' ';

}
</script>
{/literal}

<fieldset>
<legend>{i18n}Fields{/i18n}</legend>
{i18n}The following fields may be used in search criteria:{/i18n}
{assign var=i value=0}
{foreach item=alias from=$aliases}
{if (substr($alias,0,2) != '["')}
{if $i>0}, {/if}
{if (($i % 8) == 0)}<br>{/if}
<span onclick="wordclicked('{$alias|escape}')">{$alias}</span>
{assign var=i value=$i+1}
{/if}


{/foreach}
</fieldset>
</p>

</td>
</tr>
</table>


