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Avoid code duplication

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This commit is contained in:
Madhura Jayaratne 2011-07-21 20:19:24 +05:30
parent 338756306b
commit 1e8914fe50
3 changed files with 44 additions and 55 deletions
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40
libraries/gis/pma_gis_geometry.php
View File

@ -156,5 +156,45 @@ abstract class PMA_GIS_Geometry
return $points_arr;
}
/**
* Generates JavaScriipt for adding points for OpenLayers polygon.
*
* @param string $polygon points of a polygon in WKT form
* @param string $srid spatial reference id
*
* @return JavaScriipt for adding points for OpenLayers polygon
*/
protected function addPointsForOpenLayersPolygon($polygon, $srid)
{
$row = 'new OpenLayers.Geometry.Polygon(new Array(';
// If the polygon doesnt have an inner polygon
if (strpos($polygon, "),(") === false) {
$points_arr = $this->extractPoints($polygon, null);
$row .= 'new OpenLayers.Geometry.LinearRing(new Array(';
foreach ($points_arr as $point) {
$row .= '(new OpenLayers.Geometry.Point(' . $point[0] . ', ' . $point[1] . '))'
. '.transform(new OpenLayers.Projection("EPSG:' . $srid . '"), map.getProjectionObject()), ';
}
$row = substr($row, 0, strlen($row) - 2);
$row .= '))';
} else {
// Seperate outer and inner polygons
$parts = explode("),(", $polygon);
foreach ($parts as $ring) {
$points_arr = $this->extractPoints($ring, null);
$row .= 'new OpenLayers.Geometry.LinearRing(new Array(';
foreach ($points_arr as $point) {
$row .= '(new OpenLayers.Geometry.Point(' . $point[0] . ', ' . $point[1] . '))'
. '.transform(new OpenLayers.Projection("EPSG:' . $srid . '"), map.getProjectionObject()), ';
}
$row = substr($row, 0, strlen($row) - 2);
$row .= ')), ';
}
$row = substr($row, 0, strlen($row) - 2);
}
$row .= ')), ';
return $row;
}
}
?>

28
libraries/gis/pma_gis_multipolygon.php
View File

@ -257,33 +257,7 @@ class PMA_GIS_Multipolygon extends PMA_GIS_Geometry
. 'new OpenLayers.Geometry.MultiPolygon(new Array(';
foreach ($polygons as $polygon) {
$row .= 'new OpenLayers.Geometry.Polygon(new Array(';
// If the polygon doesnt have an inner polygon
if (strpos($polygon, "),(") === false) {
$points_arr = $this->extractPoints($polygon, null);
$row .= 'new OpenLayers.Geometry.LinearRing(new Array(';
foreach ($points_arr as $point) {
$row .= '(new OpenLayers.Geometry.Point(' . $point[0] . ', ' . $point[1] . '))'
. '.transform(new OpenLayers.Projection("EPSG:' . $srid . '"), map.getProjectionObject()), ';
}
$row = substr($row, 0, strlen($row) - 2);
$row .= '))';
} else {
// Seperate outer and inner polygons
$parts = explode("),(", $polygon);
foreach ($parts as $ring) {
$points_arr = $this->extractPoints($ring, null);
$row .= 'new OpenLayers.Geometry.LinearRing(new Array(';
foreach ($points_arr as $point) {
$row .= '(new OpenLayers.Geometry.Point(' . $point[0] . ', ' . $point[1] . '))'
. '.transform(new OpenLayers.Projection("EPSG:' . $srid . '"), map.getProjectionObject()), ';
}
$row = substr($row, 0, strlen($row) - 2);
$row .= ')), ';
}
$row = substr($row, 0, strlen($row) - 2);
}
$row .= ')), ';
$row .= $this->addPointsForOpenLayersPolygon($polygon, $srid);
}
$row = substr($row, 0, strlen($row) - 2);
$row .= ')), null, ' . json_encode($style_options) . '));';

31
libraries/gis/pma_gis_polygon.php
View File

@ -234,34 +234,9 @@ class PMA_GIS_Polygon extends PMA_GIS_Geometry
// Trim to remove leading 'POLYGON((' and trailing '))'
$polygon = substr($spatial, 9, (strlen($spatial) - 11));
$row .= 'vectorLayer.addFeatures(new OpenLayers.Feature.Vector('
. 'new OpenLayers.Geometry.Polygon(new Array(';
// If the polygon doesnt have an inner polygon
if (strpos($polygon, "),(") === false) {
$points_arr = $this->extractPoints($polygon, null);
$row .= 'new OpenLayers.Geometry.LinearRing(new Array(';
foreach ($points_arr as $point) {
$row .= '(new OpenLayers.Geometry.Point(' . $point[0] . ', ' . $point[1] . '))'
. '.transform(new OpenLayers.Projection("EPSG:' . $srid . '"), map.getProjectionObject()), ';
}
$row = substr($row, 0, strlen($row) - 2);
$row .= '))';
} else {
// Seperate outer and inner polygons
$parts = explode("),(", $polygon);
foreach ($parts as $ring) {
$points_arr = $this->extractPoints($ring, null);
$row .= 'new OpenLayers.Geometry.LinearRing(new Array(';
foreach ($points_arr as $point) {
$row .= '(new OpenLayers.Geometry.Point(' . $point[0] . ', ' . $point[1] . '))'
. '.transform(new OpenLayers.Projection("EPSG:' . $srid . '"), map.getProjectionObject()), ';
}
$row = substr($row, 0, strlen($row) - 2);
$row .= ')), ';
}
$row = substr($row, 0, strlen($row) - 2);
}
$row .= ')), null, ' . json_encode($style_options) . '));';
$row .= 'vectorLayer.addFeatures(new OpenLayers.Feature.Vector(';
$row .= $this->addPointsForOpenLayersPolygon($polygon, $srid);
$row .= 'null, ' . json_encode($style_options) . '));';
return $row;
}