http://www.mediawiki.org/wiki/Special:Code/MediaWiki/54176
Revision: 54176
Author: jeroendedauw
Date: 2009-08-01 18:14:43 +0000 (Sat, 01 Aug 2009)
Log Message:
-----------
Added Paths:
-----------
tags/extensions/SemanticMaps/REL_0_2_2/SM_MapPrinter.php
Added: tags/extensions/SemanticMaps/REL_0_2_2/SM_MapPrinter.php
===================================================================
--- tags/extensions/SemanticMaps/REL_0_2_2/SM_MapPrinter.php
(rev 0)
+++ tags/extensions/SemanticMaps/REL_0_2_2/SM_MapPrinter.php 2009-08-01
18:14:43 UTC (rev 54176)
@@ -0,0 +1,115 @@
+<?php
+
+/**
+ * Abstract class that provides the common functionallity for all map query
printers
+ *
+ * @file SM_MapPrinter.php
+ * @ingroup SemanticMaps
+ *
+ * @author Jeroen De Dauw
+ * @author Robert Buzink
+ * @author Yaron Koren
+ */
+
+if( !defined( 'MEDIAWIKI' ) ) {
+ die( 'Not an entry point.' );
+}
+
+abstract class SMMapPrinter extends SMWResultPrinter {
+ // TODO: make class and child's more OOP, in a way similair to class
MapsBaseMap in Maps
+
+ protected $m_locations = array();
+
+ public function getResult($results, $params, $outputmode) {
+ // Skip checks, results with 0 entries are normal
+ $this->readParameters($params, $outputmode);
+ return $this->getResultText($results, SMW_OUTPUT_HTML);
+ }
+
+ protected function getResultText($res, $outputmode) {
+ while ( ($row = $res->getNext()) !== false ) {
+ $this->addResultRow($outputmode, $row);
+ }
+
+ $this->m_params =
MapsMapper::setDefaultParValues($this->m_params, true);
+ }
+
+ /**
+ * This function will loop through all properties (fields) of one
record (row),
+ * and add the location data, title, label and icon to the m_locations
array.
+ *
+ * @param unknown_type $outputmode
+ * @param unknown_type $row The record you want to add data from
+ */
+ private function addResultRow($outputmode, $row) {
+ global $wgUser;
+ $skin = $wgUser->getSkin();
+
+ $title = '';
+ $text = '';
+ $lat = '';
+ $lon = '';
+
+ // Loop throught all fields of the record
+ foreach ($row as $i => $field) {
+ $pr = $field->getPrintRequest();
+
+ // Loop throught all the parts of the field value
+ while ( ($object = $field->getNextObject()) !== false )
{
+ if ($object->getTypeID() == '_wpg' && $i == 0) {
+ $title =
$object->getLongText($outputmode, $skin);
+ }
+
+ if ($object->getTypeID() != '_geo' && $i != 0) {
+ $text .= $pr->getHTMLText($skin) . ": "
. $object->getLongText($outputmode, $skin) . "<br />";
+ }
+
+ if ($pr->getMode() ==
SMWPrintRequest::PRINT_PROP && $pr->getTypeID() == '_geo') {
+ list($lat,$lon) = explode(',',
$object->getXSDValue());
+ }
+ }
+ }
+
+ if (strlen($lat) > 0 && strlen($lon) > 0) {
+ $icon = $this->getLocationIcon($row);
+ $this->m_locations[] = array($lat, $lon, $title, $text,
$icon);
+ }
+ }
+
+ /**
+ * Get the icon for a row
+ *
+ * @param unknown_type $row
+ * @return unknown
+ */
+ private function getLocationIcon($row) {
+ $icon = '';
+ $legend_labels = array();
+
+ // Look for display_options field, which can be set by Semantic
Compound Queries
+ if (property_exists($row[0], 'display_options')) {
+ if (array_key_exists('icon', $row[0]->display_options))
{
+ $icon = $row[0]->display_options['icon'];
+
+ // This is somewhat of a hack - if a legend
label has been set, we're getting it for every point, instead of just once per
icon
+ if (array_key_exists('legend label',
$row[0]->display_options)) {
+
+ $legend_label =
$row[0]->display_options['legend label'];
+
+ if (! array_key_exists($icon,
$legend_labels)) {
+ $legend_labels[$icon] =
$legend_label;
+ }
+ }
+ }
+ // Icon can be set even for regular, non-compound queries If it
is, though, we have to translate the name into a URL here
+ } elseif (array_key_exists('icon', $this->m_params)) {
+
+ $icon_title =
Title::newFromText($this->m_params['icon']);
+ $icon_image_page = new ImagePage($icon_title);
+ $icon = $icon_image_page->getDisplayedFile()->getURL();
+ }
+
+ return $icon;
+ }
+
+}
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