Peter M. Groen / knowledgetree

<h2>{i18n}Query Editor{/i18n}</h2>

<p class="descriptiveText">
{i18n}The query editor allows you to utilise the full power of the KnowledgeTree search engine by entering comprehensive expressions.{/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}Expressions 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 ::= expr {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 expressions:{/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>