Viewing file:  gis_data_editor.php (15.44 KB) -rw-r--r--
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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Editor for Geometry data types.
*
* @package PhpMyAdmin
*/
/**
* Escapes special characters if the variable is set.
* Returns an empty string otherwise.
*
* @param string $variable variable to be escaped
*
* @return string escaped variable
*/
function escape($variable)
{
return isset($variable) ? htmlspecialchars($variable) : '';
}
require_once 'libraries/common.inc.php';
require_once 'libraries/gis/GIS_Factory.class.php';
require_once 'libraries/gis/GIS_Visualization.class.php';
// Get data if any posted
$gis_data = array();
if (PMA_isValid($_REQUEST['gis_data'], 'array')) {
$gis_data = $_REQUEST['gis_data'];
}
$gis_types = array(
'POINT',
'MULTIPOINT',
'LINESTRING',
'MULTILINESTRING',
'POLYGON',
'MULTIPOLYGON',
'GEOMETRYCOLLECTION'
);
/** @var PMA_String $pmaString */
$pmaString = $GLOBALS['PMA_String'];
// Extract type from the initial call and make sure that it's a valid one.
// Extract from field's values if available, if not use the column type passed.
if (! isset($gis_data['gis_type'])) {
if (isset($_REQUEST['type']) && $_REQUEST['type'] != '') {
$gis_data['gis_type'] = /*overload*/mb_strtoupper($_REQUEST['type']);
}
if (isset($_REQUEST['value']) && trim($_REQUEST['value']) != '') {
$start = (substr($_REQUEST['value'], 0, 1) == "'") ? 1 : 0;
$gis_data['gis_type'] = /*overload*/mb_substr(
$_REQUEST['value'],
$start,
/*overload*/mb_strpos($_REQUEST['value'], "(") - $start
);
}
if ((! isset($gis_data['gis_type']))
|| (! in_array($gis_data['gis_type'], $gis_types))
) {
$gis_data['gis_type'] = $gis_types[0];
}
}
$geom_type = $gis_data['gis_type'];
// Generate parameters from value passed.
$gis_obj = PMA_GIS_Factory::factory($geom_type);
if (isset($_REQUEST['value'])) {
$gis_data = array_merge(
$gis_data, $gis_obj->generateParams($_REQUEST['value'])
);
}
// Generate Well Known Text
$srid = (isset($gis_data['srid']) && $gis_data['srid'] != '')
? htmlspecialchars($gis_data['srid']) : 0;
$wkt = $gis_obj->generateWkt($gis_data, 0);
$wkt_with_zero = $gis_obj->generateWkt($gis_data, 0, '0');
$result = "'" . $wkt . "'," . $srid;
// Generate PNG or SVG based visualization
$format = (PMA_USR_BROWSER_AGENT == 'IE' && PMA_USR_BROWSER_VER <= 8)
? 'png' : 'svg';
$visualizationSettings = array(
'width' => 450,
'height' => 300,
'spatialColumn' => 'wkt'
);
$data = array(array('wkt' => $wkt_with_zero, 'srid' => $srid));
$visualization = PMA_GIS_Visualization::getByData($data, $visualizationSettings)
->toImage($format);
$open_layers = PMA_GIS_Visualization::getByData($data, $visualizationSettings)
->asOl();
// If the call is to update the WKT and visualization make an AJAX response
if (isset($_REQUEST['generate']) && $_REQUEST['generate'] == true) {
$extra_data = array(
'result' => $result,
'visualization' => $visualization,
'openLayers' => $open_layers,
);
$response = PMA_Response::getInstance();
$response->addJSON($extra_data);
exit;
}
ob_start();
echo '<form id="gis_data_editor_form" action="gis_data_editor.php" method="post">';
echo '<input type="hidden" id="pmaThemeImage"'
. ' value="' . $GLOBALS['pmaThemeImage'] . '" />';
echo '<div id="gis_data_editor">';
echo '<h3>';
printf(
__('Value for the column "%s"'),
htmlspecialchars($_REQUEST['field'])
);
echo '</h3>';
echo '<input type="hidden" name="field" value="'
. htmlspecialchars($_REQUEST['field']) . '" />';
// The input field to which the final result should be added
// and corresponding null checkbox
if (isset($_REQUEST['input_name'])) {
echo '<input type="hidden" name="input_name" value="'
. htmlspecialchars($_REQUEST['input_name']) . '" />';
}
echo PMA_URL_getHiddenInputs();
echo '<!-- Visualization section -->';
echo '<div id="placeholder" style="width:450px;height:300px;'
. ($srid != 0 ? 'display:none;' : '') . '">';
echo $visualization;
echo '</div>';
echo '<div id="openlayersmap" style="width:450px;height:300px;'
. ($srid == 0 ? 'display:none;' : '') . '">';
echo '</div>';
echo '<div class="choice" style="float:right;clear:right;">';
echo '<input type="checkbox" id="choice" value="useBaseLayer"'
. ($srid != 0 ? ' checked="checked"' : '') . '/>';
echo '<label for="choice">' . __("Use OpenStreetMaps as Base Layer") . '</label>';
echo '</div>';
echo '<script language="javascript" type="text/javascript">';
echo $open_layers;
echo '</script>';
echo '<!-- End of visualization section -->';
echo '<!-- Header section - Inclueds GIS type selector and input field for SRID -->';
echo '<div id="gis_data_header">';
echo '<select name="gis_data[gis_type]" class="gis_type">';
foreach ($gis_types as $gis_type) {
echo '<option value="' . $gis_type . '"';
if ($geom_type == $gis_type) {
echo ' selected="selected"';
}
echo '>' . $gis_type . '</option>';
}
echo '</select>';
echo ' ';
/* l10n: Spatial Reference System Identifier */
echo '<label for="srid">' . __('SRID:') . '</label>';
echo '<input name="gis_data[srid]" type="text" value="' . $srid . '" />';
echo '</div>';
echo '<!-- End of header section -->';
echo '<!-- Data section -->';
echo '<div id="gis_data">';
$geom_count = 1;
if ($geom_type == 'GEOMETRYCOLLECTION') {
$geom_count = (isset($gis_data[$geom_type]['geom_count']))
? $gis_data[$geom_type]['geom_count'] : 1;
if (isset($gis_data[$geom_type]['add_geom'])) {
$geom_count++;
}
echo '<input type="hidden" name="gis_data[GEOMETRYCOLLECTION][geom_count]"'
. ' value="' . $geom_count . '" />';
}
for ($a = 0; $a < $geom_count; $a++) {
if ($geom_type == 'GEOMETRYCOLLECTION') {
echo '<br/><br/>';
printf(__('Geometry %d:'), $a + 1);
echo '<br/>';
if (isset($gis_data[$a]['gis_type'])) {
$type = $gis_data[$a]['gis_type'];
} else {
$type = $gis_types[0];
}
echo '<select name="gis_data[' . $a . '][gis_type]" class="gis_type">';
foreach (array_slice($gis_types, 0, 6) as $gis_type) {
echo '<option value="' . $gis_type . '"';
if ($type == $gis_type) {
echo ' selected="selected"';
}
echo '>' . $gis_type . '</option>';
}
echo '</select>';
} else {
$type = $geom_type;
}
if ($type == 'POINT') {
echo '<br/>';
echo __('Point:');
echo '<label for="x">' . __("X") . '</label>';
echo '<input name="gis_data[' . $a . '][POINT][x]" type="text"'
. ' value="' . escape($gis_data[$a]['POINT']['x']) . '" />';
echo '<label for="y">' . __("Y") . '</label>';
echo '<input name="gis_data[' . $a . '][POINT][y]" type="text"'
. ' value="' . escape($gis_data[$a]['POINT']['y']) . '" />';
} elseif ($type == 'MULTIPOINT' || $type == 'LINESTRING') {
$no_of_points = isset($gis_data[$a][$type]['no_of_points'])
? $gis_data[$a][$type]['no_of_points'] : 1;
if ($type == 'LINESTRING' && $no_of_points < 2) {
$no_of_points = 2;
}
if ($type == 'MULTIPOINT' && $no_of_points < 1) {
$no_of_points = 1;
}
if (isset($gis_data[$a][$type]['add_point'])) {
$no_of_points++;
}
echo '<input type="hidden" value="' . $no_of_points . '"'
. ' name="gis_data[' . $a . '][' . $type . '][no_of_points]" />';
for ($i = 0; $i < $no_of_points; $i++) {
echo '<br/>';
printf(__('Point %d'), $i + 1);
echo ': ';
echo '<label for="x">' . __("X") . '</label>';
echo '<input type="text"'
. ' name="gis_data[' . $a . '][' . $type . '][' . $i . '][x]"'
. ' value="' . escape($gis_data[$a][$type][$i]['x']) . '" />';
echo '<label for="y">' . __("Y") . '</label>';
echo '<input type="text"'
. ' name="gis_data[' . $a . '][' . $type . '][' . $i . '][y]"'
. ' value="' . escape($gis_data[$a][$type][$i]['y']) . '" />';
}
echo '<input type="submit"'
. ' name="gis_data[' . $a . '][' . $type . '][add_point]"'
. ' class="add addPoint" value="' . __("Add a point") . '" />';
} elseif ($type == 'MULTILINESTRING' || $type == 'POLYGON') {
$no_of_lines = isset($gis_data[$a][$type]['no_of_lines'])
? $gis_data[$a][$type]['no_of_lines'] : 1;
if ($no_of_lines < 1) {
$no_of_lines = 1;
}
if (isset($gis_data[$a][$type]['add_line'])) {
$no_of_lines++;
}
echo '<input type="hidden" value="' . $no_of_lines . '"'
. ' name="gis_data[' . $a . '][' . $type . '][no_of_lines]" />';
for ($i = 0; $i < $no_of_lines; $i++) {
echo '<br/>';
if ($type == 'MULTILINESTRING') {
printf(__('Linestring %d:'), $i + 1);
} else {
if ($i == 0) {
echo __('Outer ring:');
} else {
printf(__('Inner ring %d:'), $i);
}
}
$no_of_points = isset($gis_data[$a][$type][$i]['no_of_points'])
? $gis_data[$a][$type][$i]['no_of_points'] : 2;
if ($type == 'MULTILINESTRING' && $no_of_points < 2) {
$no_of_points = 2;
}
if ($type == 'POLYGON' && $no_of_points < 4) {
$no_of_points = 4;
}
if (isset($gis_data[$a][$type][$i]['add_point'])) {
$no_of_points++;
}
echo '<input type="hidden" value="' . $no_of_points . '"'
. ' name="gis_data[' . $a . '][' . $type . '][' . $i
. '][no_of_points]" />';
for ($j = 0; $j < $no_of_points; $j++) {
echo('<br/>');
printf(__('Point %d'), $j + 1);
echo ': ';
echo '<label for="x">' . __("X") . '</label>';
echo '<input type="text" name="gis_data[' . $a . '][' . $type . ']['
. $i . '][' . $j . '][x]" value="'
. escape($gis_data[$a][$type][$i][$j]['x']) . '" />';
echo '<label for="y">' . __("Y") . '</label>';
echo '<input type="text" name="gis_data[' . $a . '][' . $type . ']['
. $i . '][' . $j . '][y]"' . ' value="'
. escape($gis_data[$a][$type][$i][$j]['y']) . '" />';
}
echo '<input type="submit" name="gis_data[' . $a . '][' . $type . ']['
. $i . '][add_point]"'
. ' class="add addPoint" value="' . __("Add a point") . '" />';
}
$caption = ($type == 'MULTILINESTRING')
? __('Add a linestring')
: __('Add an inner ring');
echo '<br/>';
echo '<input type="submit"'
. ' name="gis_data[' . $a . '][' . $type . '][add_line]"'
. ' class="add addLine" value="' . $caption . '" />';
} elseif ($type == 'MULTIPOLYGON') {
$no_of_polygons = isset($gis_data[$a][$type]['no_of_polygons'])
? $gis_data[$a][$type]['no_of_polygons'] : 1;
if ($no_of_polygons < 1) {
$no_of_polygons = 1;
}
if (isset($gis_data[$a][$type]['add_polygon'])) {
$no_of_polygons++;
}
echo '<input type="hidden"'
. ' name="gis_data[' . $a . '][' . $type . '][no_of_polygons]"'
. ' value="' . $no_of_polygons . '" />';
for ($k = 0; $k < $no_of_polygons; $k++) {
echo '<br/>';
printf(__('Polygon %d:'), $k + 1);
$no_of_lines = isset($gis_data[$a][$type][$k]['no_of_lines'])
? $gis_data[$a][$type][$k]['no_of_lines'] : 1;
if ($no_of_lines < 1) {
$no_of_lines = 1;
}
if (isset($gis_data[$a][$type][$k]['add_line'])) {
$no_of_lines++;
}
echo '<input type="hidden"'
. ' name="gis_data[' . $a . '][' . $type . '][' . $k
. '][no_of_lines]"' . ' value="' . $no_of_lines . '" />';
for ($i = 0; $i < $no_of_lines; $i++) {
echo '<br/><br/>';
if ($i == 0) {
echo __('Outer ring:');
} else {
printf(__('Inner ring %d:'), $i);
}
$no_of_points = isset($gis_data[$a][$type][$k][$i]['no_of_points'])
? $gis_data[$a][$type][$k][$i]['no_of_points'] : 4;
if ($no_of_points < 4) {
$no_of_points = 4;
}
if (isset($gis_data[$a][$type][$k][$i]['add_point'])) {
$no_of_points++;
}
echo '<input type="hidden"'
. ' name="gis_data[' . $a . '][' . $type . '][' . $k . '][' . $i
. '][no_of_points]"' . ' value="' . $no_of_points . '" />';
for ($j = 0; $j < $no_of_points; $j++) {
echo '<br/>';
printf(__('Point %d'), $j + 1);
echo ': ';
echo '<label for="x">' . __("X") . '</label>';
echo '<input type="text"'
. ' name="gis_data[' . $a . '][' . $type . '][' . $k . ']['
. $i . '][' . $j . '][x]"'
. ' value="' . escape($gis_data[$a][$type][$k][$i][$j]['x'])
. '" />';
echo '<label for="y">' . __("Y") . '</label>';
echo '<input type="text"'
. ' name="gis_data[' . $a . '][' . $type . '][' . $k . ']['
. $i . '][' . $j . '][y]"'
. ' value="' . escape($gis_data[$a][$type][$k][$i][$j]['y'])
. '" />';
}
echo '<input type="submit"'
. ' name="gis_data[' . $a . '][' . $type . '][' . $k . '][' . $i
. '][add_point]"'
. ' class="add addPoint" value="' . __("Add a point") . '" />';
}
echo '<br/>';
echo '<input type="submit"'
. ' name="gis_data[' . $a . '][' . $type . '][' . $k . '][add_line]"'
. ' class="add addLine" value="' . __('Add an inner ring') . '" />';
echo '<br/>';
}
echo '<br/>';
echo '<input type="submit"'
. ' name="gis_data[' . $a . '][' . $type . '][add_polygon]"'
. ' class="add addPolygon" value="' . __('Add a polygon') . '" />';
}
}
if ($geom_type == 'GEOMETRYCOLLECTION') {
echo '<br/><br/>';
echo '<input type="submit" name="gis_data[GEOMETRYCOLLECTION][add_geom]"'
. 'class="add addGeom" value="' . __("Add geometry") . '" />';
}
echo '</div>';
echo '<!-- End of data section -->';
echo '<br/>';
echo '<input type="submit" name="gis_data[save]" value="' . __('Go') . '" />';
echo '<div id="gis_data_output">';
echo '<h3>' . __('Output') . '</h3>';
echo '<p>';
echo __(
'Choose "GeomFromText" from the "Function" column and paste the'
. ' string below into the "Value" field.'
);
echo '</p>';
echo '<textarea id="gis_data_textarea" cols="95" rows="5">';
echo $result;
echo '</textarea>';
echo '</div>';
echo '</div>';
echo '</form>';
PMA_Response::getInstance()->addJSON('gis_editor', ob_get_contents());
ob_end_clean();
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