public static function CreateLayerItem($reqFeatures, $iconsPerScaleRange, $iconFormat, $iconWidth, $iconHeight, $layer, $parent, $xmldoc, $mappingService)
{
$xml = "<Layer>\n";
$xml .= "<Name>" . $layer->GetName() . "</Name>\n";
$xml .= "<Type>" . $layer->GetLayerType() . "</Type>\n";
$xml .= "<LegendLabel>" . MgUtils::EscapeXmlChars($layer->GetLegendLabel()) . "</LegendLabel>\n";
$xml .= "<ObjectId>" . $layer->GetObjectId() . "</ObjectId>\n";
if ($parent != null) {
$xml .= "<ParentId>" . $parent->GetObjectId() . "</ParentId>\n";
}
$xml .= "<Selectable>" . ($layer->GetSelectable() ? "true" : "false") . "</Selectable>";
$xml .= "<DisplayInLegend>" . ($layer->GetDisplayInLegend() ? "true" : "false") . "</DisplayInLegend>\n";
$xml .= "<ExpandInLegend>" . ($layer->GetExpandInLegend() ? "true" : "false") . "</ExpandInLegend>\n";
$xml .= "<Visible>" . ($layer->GetVisible() ? "true" : "false") . "</Visible>\n";
$xml .= "<ActuallyVisible>" . ($layer->IsVisible() ? "true" : "false") . "</ActuallyVisible>\n";
$ldfId = $layer->GetLayerDefinition();
$xml .= "<LayerDefinition>" . $ldfId->ToString() . "</LayerDefinition>\n";
// ----------------------- Optional things if requested ------------------------- //
if (($reqFeatures & self::REQUEST_LAYER_FEATURE_SOURCE) == self::REQUEST_LAYER_FEATURE_SOURCE) {
$xml .= "<FeatureSource>\n";
$xml .= "<ResourceId>" . $layer->GetFeatureSourceId() . "</ResourceId>\n";
$xml .= "<ClassName>" . $layer->GetFeatureClassName() . "</ClassName>\n";
$xml .= "<Geometry>" . $layer->GetFeatureGeometryName() . "</Geometry>\n";
$xml .= "</FeatureSource>\n";
}
//Following code ripped from Fusion's LoadMap.php and LoadScaleRanges.php
if ($xmldoc != null) {
$type = 0;
$scaleRanges = $xmldoc->getElementsByTagName('VectorScaleRange');
if ($scaleRanges->length == 0) {
$scaleRanges = $xmldoc->getElementsByTagName('GridScaleRange');
if ($scaleRanges->length == 0) {
$scaleRanges = $xmldoc->getElementsByTagName('DrawingLayerDefinition');
if ($scaleRanges->length == 1) {
$type = 2;
}
} else {
$type = 1;
}
}
$typeStyles = array("PointTypeStyle", "LineTypeStyle", "AreaTypeStyle", "CompositeTypeStyle");
$ruleNames = array("PointRule", "LineRule", "AreaRule", "CompositeRule");
for ($sc = 0; $sc < $scaleRanges->length; $sc++) {
$scaleRange = $scaleRanges->item($sc);
$minElt = $scaleRange->getElementsByTagName('MinScale');
$maxElt = $scaleRange->getElementsByTagName('MaxScale');
$minScale = "0";
$maxScale = 'infinity';
// as MDF's VectorScaleRange::MAX_MAP_SCALE
if ($minElt->length > 0) {
$minScale = $minElt->item(0)->nodeValue;
}
if ($maxElt->length > 0) {
$maxScale = $maxElt->item(0)->nodeValue;
}
if ($type != 0) {
break;
}
$scaleVal = 42;
if (strcmp($maxScale, "infinity") == 0) {
$scaleVal = intval($minScale);
} else {
$scaleVal = (intval($minScale) + intval($maxScale)) / 2.0;
}
$minScale = intval($minScale);
if (strcmp($maxScale, "infinity") == 0) {
$maxScale = 1000000000000;
} else {
$maxScale = intval($maxScale);
}
$xml .= "<ScaleRange>\n<MinScale>{$minScale}</MinScale>\n<MaxScale>{$maxScale}</MaxScale>\n";
// 2 passes: First to compile icon count (to determine compression), second to write the actual XML
$iconCount = 0;
for ($ts = 0, $count = count($typeStyles); $ts < $count; $ts++) {
$typeStyle = $scaleRange->getElementsByTagName($typeStyles[$ts]);
for ($st = 0; $st < $typeStyle->length; $st++) {
// We will check if this typestyle is going to be shown in the legend
$showInLegend = $typeStyle->item($st)->getElementsByTagName("ShowInLegend");
if ($showInLegend->length > 0) {
if ($showInLegend->item(0)->nodeValue == "false") {
continue;
}
}
// This typestyle does not need to be shown in the legend
$rules = $typeStyle->item($st)->getElementsByTagName($ruleNames[$ts]);
$iconCount += $rules->length;
}
}
$bCompress = $iconCount > $iconsPerScaleRange;
for ($ts = 0, $count = count($typeStyles); $ts < $count; $ts++) {
$typeStyle = $scaleRange->getElementsByTagName($typeStyles[$ts]);
$catIndex = 0;
if ($typeStyle->length == 0) {
continue;
}
$xml .= "<FeatureStyle>\n";
$xml .= "<Type>" . ($ts + 1) . "</Type>\n";
for ($st = 0; $st < $typeStyle->length; $st++) {
// We will check if this typestyle is going to be shown in the legend
$showInLegend = $typeStyle->item($st)->getElementsByTagName("ShowInLegend");
if ($showInLegend->length > 0) {
if ($showInLegend->item(0)->nodeValue == "false") {
continue;
}
}
// This typestyle does not need to be shown in the legend
$rules = $typeStyle->item($st)->getElementsByTagName($ruleNames[$ts]);
for ($r = 0; $r < $rules->length; $r++) {
$bRequestIcon = false;
if (!$bCompress) {
$bRequestIcon = true;
} else {
//This is a compressed theme
$bRequestIcon = $r == 0 || $r == $rules->length - 1;
//Only first and last rule
}
$rule = $rules->item($r);
$label = $rule->getElementsByTagName("LegendLabel");
$filter = $rule->getElementsByTagName("Filter");
$labelText = MgUtils::EscapeXmlChars($label->length == 1 ? $label->item(0)->nodeValue : "");
$filterText = MgUtils::EscapeXmlChars($filter->length == 1 ? $filter->item(0)->nodeValue : "");
$geomType = $ts + 1;
$themeCategory = $catIndex++;
$xml .= "<Rule>\n<LegendLabel>{$labelText}</LegendLabel>\n<Filter>{$filterText}</Filter>\n";
if ($bRequestIcon) {
$xml .= "<Icon>\n";
$xml .= MgUtils::GetLegendImageInline($mappingService, $ldfId, $scaleVal, $geomType, $themeCategory, $iconWidth, $iconHeight, $iconFormat);
$xml .= "</Icon>\n";
}
$xml .= "</Rule>";
}
}
$xml .= "</FeatureStyle>";
}
$xml .= "</ScaleRange>";
}
} else {
$xml .= "<ScaleRange />";
}
$xml .= "</Layer>";
return $xml;
}
