Apache/lucene
1
0
Fork 0
mirror of https://github.com/apache/lucene.git synced 2025-02-21 01:18:45 +00:00
Code Issues Packages Projects Releases Wiki Activity

Optional debug param in doMakeQuery method.

Browse Source 
More efficient element/modifier matching.
Supports text, radio, select-one, select-multiple and textarea fields for input (multiple values are separated by space by default).


git-svn-id: https://svn.apache.org/repos/asf/lucene/java/trunk@150884 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Kelvin Tan 2003-05-08 06:00:02 +00:00
parent 48ea78f45a
commit f557749d86
1 changed files with 79 additions and 35 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

114
sandbox/contributions/javascript/queryConstructor/luceneQueryConstructor.js
View File

@ -1,5 +1,5 @@
// Lucene Search Query Constructor
// Author: Kelvin Tan (kelvin at relevanz.com)
// Author: Kelvin Tan (kelvint at apache.org)
// 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"
@ -23,59 +23,51 @@ var OR_MODIFIER = '';
// default prefix modifier for boolean queries
var DEFAULT_MODIFIER = OR_MODIFIER;
// used to delimit multiple values from checkboxes and select lists
var VALUE_DELIMITER = ' ';
// Constructs the query
// @param query Form field to represent the constructed query to be submitted
function doMakeQuery( query )
// @param debug Turn on debugging?
function doMakeQuery( query, dbg )
{
if(typeof(dbg) != "undefined")
debug = dbg;
var frm = query.form;
var formElements = frm.elements;
query.value = '';
// keep track of the fields we've examined
var dict = new Array();
for(var i=0; i<formElements.length; i++)
{
var element = formElements[i];
var elementName = element.name;
var elementValue = element.value;
if(elementValue.length > 0)
if(!contains(dict, elementName))
{
for(var j=0; j<formElements.length; j++)
dict[dict.length] = elementName;
// ensure we get the whole group (of checkboxes, radio, etc), if applicable
var elementValue = getFieldValue(frm[element.name]);
if(elementValue.length > 0)
{
var subElement = formElements[j];
if(subElement.name == (elementName + modifierSuffix))
var subElement = frm[elementName + modifierSuffix];
if(typeof(subElement) != "undefined") // found a field/fieldModifier pair
{
var subElementValue;
// support drop-down select lists, radio buttons and text fields
if(subElement.type == "select")
{
subElementValue = subElement.options[subElement.selectedIndex].value;
}
else if(subElement.type == "radio")
{
// radio button elements often have the same element name,
// so ensure we have the right one
if(subElement.checked)
{
subElementValue = subElement.value;
}
else
{
continue;
}
}
else
{
subElementValue = subElement.value;
}
if(subElementValue == 'And')
// assume that the user only allows one logic, i.e. AND OR, AND NOT, OR NOT, etc not supported
var logic = getFieldValue(subElement);
if(logic == 'And')
{
addFieldWithModifier(query, AND_MODIFIER, elementName, elementValue);
}
else if(subElementValue == 'Not')
else if(logic == 'Not')
{
addFieldWithModifier(query, NOT_MODIFIER, elementName, elementValue);
}
else if(subElementValue == 'Or')
else if(logic == 'Or')
{
addFieldWithModifier(query, OR_MODIFIER, elementName, elementValue);
}
@ -99,6 +91,58 @@ function doMakeQuery( query )
}
}
function contains(array, s)
{
for(var i=0; i<array.length; i++)
{
if(s == array[i])
return true;
}
return false;
}
function getFieldValue(field)
{
if(typeof(field[0]) != "undefined" && field[0].type=="checkbox")
return getCheckedValues(field);
if(typeof(field[0]) != "undefined" && field[0].type=="radio")
return getRadioValue(field);
if(field.type.match("select*"))
return getSelectedValues(field);
return field.value;
}
function getRadioValue(radio)
{
for(var i=0; i<radio.length; i++)
{
if(radio[i].checked)
return radio[i].value;
}
}
function getCheckedValues(checkbox)
{
var r = new Array();
for(var i = 0; i < checkbox.length; i++)
{
if(checkbox[i].checked)
r[r.length] = checkbox[i].value;
}
return r.join(VALUE_DELIMITER);
}
function getSelectedValues (select) {
var r = new Array();
for (var i = 0; i < select.options.length; i++)
if (select.options[i].selected)
{
r[r.length] = select.options[i].value;
}
return r.join(VALUE_DELIMITER);
}
function addFieldWithModifier(query, modifier, field, fieldValue)
{
fieldValue = trim(fieldValue);