/**
* Line graphs and lines in general require at least two points
*/
protected function CheckValues()
{
parent::CheckValues();
if ($this->values->ItemsCount() <= 1) {
throw new Exception('Not enough values for ' . get_class($this));
}
}
/**
* Checks that the data produces a 2-D plot
*/
protected function CheckValues()
{
parent::CheckValues();
// using force_assoc makes things work properly
if ($this->values->AssociativeKeys()) {
$this->force_assoc = true;
}
}
/**
* Checks that the data produces a 2-D plot
*/
protected function CheckValues(&$values)
{
parent::CheckValues($values);
foreach ($values[0] as $key => $v) {
if (is_numeric($key) && $key > 0) {
return;
}
}
throw new Exception('No valid data keys for scatter graph');
}
/**
* Checks that the data contains sensible values
*/
protected function CheckValues()
{
parent::CheckValues();
foreach ($this->values[0] as $item) {
if (is_null($item->value)) {
continue;
}
$wb = $item->Data('wbottom');
$wt = $item->Data('wtop');
$b = $item->Data('bottom');
$t = $item->Data('top');
if ($wb > $b || $wt < $t || $item->value < $b || $item->value > $t) {
throw new Exception("Data problem: {$wb} {$b} {$item->value} {$t} {$wt}");
}
}
}
/**
* Need at least two values and no negative values
*/
protected function CheckValues(&$values)
{
parent::CheckValues($values);
if (count($values[0]) < 2) {
throw new Exception('Not enough values for radar graph');
}
if ($this->GetMinValue() < 0) {
throw new Exception('Negative value for radar graph');
}
}
/**
* Requires at least two values
*/
protected function CheckValues(&$values)
{
parent::CheckValues($values);
if ($this->GetHorizontalCount() < 2) {
throw new Exception('Not enough values for line graph');
}
}
protected function CheckValues(&$values)
{
parent::CheckValues($values);
if (count($values[0]) <= 1) {
throw new Exception('Not enough values for line graph');
}
}
