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<?php
class PHPReportField {
var $sName; // field name
var $sType; // field type
var $dVal; // current value
var $dMin; // stores min value
var $dMax; // stores max value
var $dSum; // stores sum
var $bNum; // is it a numeric field?
/**
Constructor
*/
function PHPReportField($sName_=null,$sType_=null) {
$this->sName = $sName_;
$this->sType = $sType_;
$this->dVal = -1;
$this->dMin = null;
$this->dMax = null;
$this->dSum = 0;
$this->bNum = $this->checkNumeric();
}
/**
Reset field values
*/
function reset() {
$this->dVal = (is_numeric($this->dVal)?0:"");
$this->resetStats();
}
/**
Reset statistics
*/
function resetStats() {
$this->dMin = null;
$this->dMax = null;
$this->dSum = 0;
}
/*
Field name
*/
function getName() {
return $this->sName;
}
/*
Field type
*/
function getType() {
return $this->sType;
}
/**
Is a numeric field?
*/
function isNumeric(){
return $this->bNum;
}
/**
Returns if its a numeric field
@param
*/
function checkNumeric() {
// just make statistics on the numeric fields - change here if your
// database treats numeric fields with other description
// there is a workaround on numeric fields that some
// databases don't return the correct type (some ODBC databases)
// and I return UNDEFINED as the type and presume they are numeric
$sStr =
"NUMBER,NUMERIC,INT,DOUBLE,DECIMAL,REAL,TINY,SHORT,LONG,FLOAT,LONGLONG,INT24,YEAR,CID,FLOAT4,FLOAT8,INT2,".
"INT4,MONEY,OID,RELTIME,XID,DOUBLE PRECISION,SMALLINT,TINYINT,BIGINT,INT64,INT8,DATE,DATETIME";
return stristr($sStr,$this->sType);
}
/**
Set the values and statistics about this
field here.
@param value
*/
function set($oVal_=-1) {
$this->setVal($oVal_);
/*
If not numeric, don't make statistics, or
if the type is UNDEFINED, tries to make statistics for all kind of
data. note that is a bug on the way the database returns the data
type, and not a PHPReports bug.
*/
if($this->isNumeric($oVal_) ||
$this->sType=="UNDEFINED") {
$this->setMin($oVal_);
$this->setMax($oVal_);
$this->setSum($oVal_);
}
}
/**
Set the value
*/
function setVal($oVal_=-1) {
$this->dVal=$oVal_;
}
/**
Return the value
*/
function getVal() {
return $this->dVal;
}
/**
Set the minimum value
*/
function setMin($oVal_=0) {
if(is_null($this->dMin)){
$this->dMin=$oVal_;
return;
}
$this->dMin=$oVal_<$this->dMin?$oVal_:$this->dMin;
}
/**
Returns the minimum value
*/
function getMin() {
return $this->dMin;
}
/**
Sets the maximum value
@param value
*/
function setMax($oVal_=0) {
if(is_null($this->dMax)){
$this->dMax=$oVal_;
return;
}
$this->dMax=$oVal_>$this->dMax?$oVal_:$this->dMax;
}
/**
Returns the maximum value
*/
function getMax() {
return $this->dMax;
}
/**
Set the field sum
*/
function setSum($oVal_=0) {
$this->dSum+=$oVal_;
}
/**
Returns the field sum
*/
function getSum() {
return $this->dSum;
}
}
?>
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