Mailing List Archive: cvs commit: jakarta-lucene-sandbox/contributions/javascript/queryConstructor luceneQueryConstructor.js luceneQueryConstructor.html

kelvint 02/05/08 19:18:00

Added: contributions/javascript/queryConstructor
luceneQueryConstructor.js
luceneQueryConstructor.html
Log:
Initial commit of a javascript lib as a web-based GUI for boolean query construction.
Based on the file posted at http://marc.theaimsgroup.com/?l=lucene-user&m=101366456309906&w=2.

Revision Changes Path
1.1 jakarta-lucene-sandbox/contributions/javascript/queryConstructor/luceneQueryConstructor.js

Index: luceneQueryConstructor.js
===================================================================
// Lucene Search Query Constructor
// Author: Kelvin Tan (kelvin@relevanz.com)
// Date: 14/02/2002
// Version: 1.1

// Change this according to what you use to name the field modifiers in your form.
// e.g. with the field "name", the modifier will be called "nameModifier"
var modifierSuffix = 'Modifier';

// Do you wish the query to be displayed as an alert box?
var debug = true;

// Do you wish the function to submit the form upon query construction?
var submitOnConstruction = true;

// Constructs the query
// @param query Form field to represent the constructed query to be submitted
function doMakeQuery( query )
{
var frm = query.form;
var formElements = frm.elements;
query.value = '';
for(var i=0; i<formElements.length; i++)
{
var element = formElements[i];
var elementName = element.name;
var elementValue = element.value;
if(elementValue.length > 0)
{
for(var j=0; j<formElements.length; j++)
{
var subElement = formElements[j];
if(subElement.name == (elementName + modifierSuffix))
{
var subElementValue = subElement.options[subElement.selectedIndex].value;
if(subElementValue == 'And')
{
addAnd(query, elementName, elementValue);
}
else if(subElementValue == 'Not')
{
addNot(query, elementName, elementValue);
}
else if(subElementValue == 'Or')
{
addOr(query, elementName, elementValue);
}
}
}
}
}

if(debug)
{
alert('Query:' + query.value);
}

if(submitOnConstruction)
{
frm.submit();
}
}

function addOr(query, field, fieldValue)
{
if(query.value.length == 0)
{
query.value = '(' + field + ':(' + fieldValue + '))';
}
else
{
query.value = query.value + ' (' + field + ':(' + fieldValue + '))';
}
}

function addAnd(query, field, fieldValue)
{
if(query.value.length == 0)
{
query.value = '+(' + field + ':(' + fieldValue + '))';
}
else
{
query.value = query.value + ' +(' + field + ':(' + fieldValue + '))';
}
}

function addNot(query, field, fieldValue)
{
if(query.value.length == 0)
{
query.value = '-(' + field + ':(' + fieldValue + '))';
}
else
{
query.value = query.value + ' -(' + field + ':(' + fieldValue + '))';
}
}

1.1 jakarta-lucene-sandbox/contributions/javascript/queryConstructor/luceneQueryConstructor.html

Index: luceneQueryConstructor.html
===================================================================
<html>
<head>
<title>Demo Lucene Query Constructor</title>
<script type="text/javascript" src="luceneQueryConstructor.js"></script>
</head>

<body>
<form>
<input type="hidden" name="query">
Name:
<input type="text" name="name">
<select name="nameModifier">
<option value="And" />And
<option value="Or" selected/>Or
<option value="Not" />Not
</select>
<p>
Description:
<input type="text" name="description">
<select name="descriptionModifier">
<option value="And" />And
<option value="Or" selected/>Or
<option value="Not" />Not
</select>
<input type="button" name="Search" value="Search" onClick="doMakeQuery(this.form.query)" />
</form>
</body>
</html>

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