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Merged the various add* methods into a single method. Added constants for AND, NOT and OR prefix modifiers. 

Added a default modifier.


git-svn-id: https://svn.apache.org/repos/asf/lucene/java/trunk@150763 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Kelvin Tan 2002-05-09 02:39:26 +00:00
parent 9b57a1288f
commit b84ac2fb26
1 changed files with 22 additions and 32 deletions
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54
sandbox/contributions/javascript/queryConstructor/luceneQueryConstructor.js
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@ -1,7 +1,5 @@
// Lucene Search Query Constructor // Lucene Search Query Constructor
// Author: Kelvin Tan (kelvin@relevanz.com) // 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. // 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" // e.g. with the field "name", the modifier will be called "nameModifier"
@ -13,6 +11,18 @@ var debug = true;
// Do you wish the function to submit the form upon query construction? // Do you wish the function to submit the form upon query construction?
var submitOnConstruction = true; var submitOnConstruction = true;
// prefix modifier for boolean AND queries
var AND_MODIFIER = '+';
// prefix modifier for boolean NOT queries
var NOT_MODIFIER = '-';
// prefix modifier for boolean OR queries
var OR_MODIFIER = '';
// default prefix modifier for boolean queries
var DEFAULT_MODIFIER = OR_MODIFIER;
// Constructs the query // Constructs the query
// @param query Form field to represent the constructed query to be submitted // @param query Form field to represent the constructed query to be submitted
function doMakeQuery( query ) function doMakeQuery( query )
@ -35,15 +45,19 @@ function doMakeQuery( query )
var subElementValue = subElement.options[subElement.selectedIndex].value; var subElementValue = subElement.options[subElement.selectedIndex].value;
if(subElementValue == 'And') if(subElementValue == 'And')
{ {
addAnd(query, elementName, elementValue); addFieldWithModifier(query, AND_MODIFIER, elementName, elementValue);
} }
else if(subElementValue == 'Not') else if(subElementValue == 'Not')
{ {
addNot(query, elementName, elementValue); addFieldWithModifier(query, NOT_MODIFIER, elementName, elementValue);
} }
else if(subElementValue == 'Or') else if(subElementValue == 'Or')
{ {
addOr(query, elementName, elementValue); addFieldWithModifier(query, OR_MODIFIER, elementName, elementValue);
}
else
{
addFieldWithModifier(query, DEFAULT_MODIFIER, elementName, elementValue);
} }
} }
} }
@ -61,38 +75,14 @@ function doMakeQuery( query )
} }
} }
function addOr(query, field, fieldValue) function addFieldWithModifier(query, modifier, field, fieldValue)
{ {
if(query.value.length == 0) if(query.value.length == 0)
{ {
query.value = '(' + field + ':(' + fieldValue + '))'; query.value = modifier + '(' + field + ':(' + fieldValue + '))';
} }
else else
{ {
query.value = query.value + ' (' + field + ':(' + fieldValue + '))'; query.value = query.value + ' ' + modifier + '(' + 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 + '))';
} }
} }