function StrokeConstrains()
{
$n = count($this->iObj);
for ($i = 0; $i < $n; ++$i) {
if (empty($this->iObj[$i]->constraints)) {
continue;
}
$numConstrains = count($this->iObj[$i]->constraints);
for ($k = 0; $k < $numConstrains; $k++) {
$vpos = $this->iObj[$i]->constraints[$k]->iConstrainRow;
if ($vpos >= 0) {
$c1 = $this->iObj[$i]->iConstrainPos;
$targetobj = -1;
for ($j = 0; $j < $n && $targetobj == -1; ++$j) {
if ($this->iObj[$j]->iVPos == $vpos) {
$targetobj = $j;
}
}
if ($targetobj == -1) {
JpGraphError::RaiseL(6008, $this->iObj[$i]->iVPos, $vpos);
}
$c2 = $this->iObj[$targetobj]->iConstrainPos;
if (count($c1) == 4 && count($c2) == 4) {
switch ($this->iObj[$i]->constraints[$k]->iConstrainType) {
case CONSTRAIN_ENDSTART:
if ($c1[1] < $c2[1]) {
$link = new GanttLink($c1[2], $c1[3], $c2[0], $c2[1]);
} else {
$link = new GanttLink($c1[2], $c1[1], $c2[0], $c2[3]);
}
$link->SetPath(3);
break;
case CONSTRAIN_STARTEND:
if ($c1[1] < $c2[1]) {
$link = new GanttLink($c1[0], $c1[3], $c2[2], $c2[1]);
} else {
$link = new GanttLink($c1[0], $c1[1], $c2[2], $c2[3]);
}
$link->SetPath(0);
break;
case CONSTRAIN_ENDEND:
if ($c1[1] < $c2[1]) {
$link = new GanttLink($c1[2], $c1[3], $c2[2], $c2[1]);
} else {
$link = new GanttLink($c1[2], $c1[1], $c2[2], $c2[3]);
}
$link->SetPath(1);
break;
case CONSTRAIN_STARTSTART:
if ($c1[1] < $c2[1]) {
$link = new GanttLink($c1[0], $c1[3], $c2[0], $c2[1]);
} else {
$link = new GanttLink($c1[0], $c1[1], $c2[0], $c2[3]);
}
$link->SetPath(3);
break;
default:
JpGraphError::RaiseL(6009, $this->iObj[$i]->iVPos, $vpos);
break;
}
$link->SetColor($this->iObj[$i]->constraints[$k]->iConstrainColor);
$link->SetArrow($this->iObj[$i]->constraints[$k]->iConstrainArrowSize, $this->iObj[$i]->constraints[$k]->iConstrainArrowType);
$link->Stroke($this->img);
}
}
}
}
}
function StrokeConstrains()
{
$n = count($this->iObj);
// Stroke all constrains
for ($i = 0; $i < $n; ++$i) {
// Some gantt objects may not have constraints associated with them
// for example we can add IconPlots which doesn't have this property.
if (empty($this->iObj[$i]->constraints)) {
continue;
}
$numConstrains = count($this->iObj[$i]->constraints);
for ($k = 0; $k < $numConstrains; $k++) {
$vpos = $this->iObj[$i]->constraints[$k]->iConstrainRow;
if ($vpos >= 0) {
$c1 = $this->iObj[$i]->iConstrainPos;
// Find out which object is on the target row
$targetobj = -1;
for ($j = 0; $j < $n && $targetobj == -1; ++$j) {
if ($this->iObj[$j]->iVPos == $vpos) {
$targetobj = $j;
}
}
if ($targetobj == -1) {
JpGraphError::RaiseL(6008, $this->iObj[$i]->iVPos, $vpos);
//('You have specifed a constrain from row='.$this->iObj[$i]->iVPos.' to row='.$vpos.' which does not have any activity.');
}
$c2 = $this->iObj[$targetobj]->iConstrainPos;
if (count($c1) == 4 && count($c2) == 4) {
switch ($this->iObj[$i]->constraints[$k]->iConstrainType) {
case CONSTRAIN_ENDSTART:
if ($c1[1] < $c2[1]) {
$link = new GanttLink($c1[2], $c1[3], $c2[0], $c2[1]);
} else {
$link = new GanttLink($c1[2], $c1[1], $c2[0], $c2[3]);
}
$link->SetPath(3);
break;
case CONSTRAIN_STARTEND:
if ($c1[1] < $c2[1]) {
$link = new GanttLink($c1[0], $c1[3], $c2[2], $c2[1]);
} else {
$link = new GanttLink($c1[0], $c1[1], $c2[2], $c2[3]);
}
$link->SetPath(0);
break;
case CONSTRAIN_ENDEND:
if ($c1[1] < $c2[1]) {
$link = new GanttLink($c1[2], $c1[3], $c2[2], $c2[1]);
} else {
$link = new GanttLink($c1[2], $c1[1], $c2[2], $c2[3]);
}
$link->SetPath(1);
break;
case CONSTRAIN_STARTSTART:
if ($c1[1] < $c2[1]) {
$link = new GanttLink($c1[0], $c1[3], $c2[0], $c2[1]);
} else {
$link = new GanttLink($c1[0], $c1[1], $c2[0], $c2[3]);
}
$link->SetPath(3);
break;
default:
JpGraphError::RaiseL(6009, $this->iObj[$i]->iVPos, $vpos);
//('Unknown constrain type specified from row='.$this->iObj[$i]->iVPos.' to row='.$vpos);
break;
}
$link->SetColor($this->iObj[$i]->constraints[$k]->iConstrainColor);
$link->SetArrow($this->iObj[$i]->constraints[$k]->iConstrainArrowSize, $this->iObj[$i]->constraints[$k]->iConstrainArrowType);
$link->Stroke($this->img);
}
}
}
}
}
function StrokeConstrains()
{
$n = count($this->iObj);
// Stroke all constrains
for ($i = 0; $i < $n; ++$i) {
$vpos = $this->iObj[$i]->iConstrainRow;
if ($vpos >= 0) {
$c1 = $this->iObj[$i]->iConstrainPos;
// Find out which object is on the target row
$targetobj = -1;
for ($j = 0; $j < $n && $targetobj == -1; ++$j) {
if ($this->iObj[$j]->iVPos == $vpos) {
$targetobj = $j;
}
}
if ($targetobj == -1) {
JpGraphError::Raise('You have specifed a constrain from row=' . $this->iObj[$i]->iVPos . ' to row=' . $vpos . ' which does not have any activity.');
exit;
}
$c2 = $this->iObj[$targetobj]->iConstrainPos;
if (count($c1) == 4 && count($c2) == 4) {
switch ($this->iObj[$i]->iConstrainType) {
case CONSTRAIN_ENDSTART:
if ($c1[1] < $c2[1]) {
$link = new GanttLink($c1[2], $c1[3], $c2[0], $c2[1]);
} else {
$link = new GanttLink($c1[2], $c1[1], $c2[0], $c2[3]);
}
$link->SetPath(3);
break;
case CONSTRAIN_STARTEND:
if ($c1[1] < $c2[1]) {
$link = new GanttLink($c1[0], $c1[3], $c2[2], $c2[1]);
} else {
$link = new GanttLink($c1[0], $c1[1], $c2[2], $c2[3]);
}
$link->SetPath(0);
break;
case CONSTRAIN_ENDEND:
if ($c1[1] < $c2[1]) {
$link = new GanttLink($c1[2], $c1[3], $c2[2], $c2[1]);
} else {
$link = new GanttLink($c1[2], $c1[1], $c2[2], $c2[3]);
}
$link->SetPath(1);
break;
case CONSTRAIN_STARTSTART:
if ($c1[1] < $c2[1]) {
$link = new GanttLink($c1[0], $c1[3], $c2[0], $c2[1]);
} else {
$link = new GanttLink($c1[0], $c1[1], $c2[0], $c2[3]);
}
$link->SetPath(3);
break;
default:
JpGraphError::Raise('Unknown constrain type specified from row=' . $this->iObj[$i]->iVPos . ' to row=' . $vpos);
break;
}
$link->SetColor($this->iObj[$i]->iConstrainColor);
$link->SetArrow($this->iObj[$i]->iConstrainArrowSize, $this->iObj[$i]->iConstrainArrowType);
$link->Stroke($this->img);
}
}
}
}