Пример #1
0
 function ApplyTheme()
 {
     $resourceService = $this->site->CreateService(MgServiceType::ResourceService);
     $featureService = $this->site->CreateService(MgServiceType::FeatureService);
     $map = new MgMap();
     $map->Open($resourceService, $this->args['MAPNAME']);
     $layers = $map->GetLayers();
     $layer = $layers->GetItem($this->args['LAYERNAME']);
     $resId = new MgResourceIdentifier($layer->GetFeatureSourceId());
     $layerDefResId = $layer->GetLayerDefinition();
     $byteReader = $resourceService->GetResourceContent($layerDefResId);
     // Load the Layer Definition and Navigate to the specified <VectorScaleRange>
     $doc = DOMDocument::loadXML($byteReader->ToString());
     $nodeList = $doc->getElementsByTagName('VectorScaleRange');
     $vectorScaleRangecElement = $nodeList->item($this->args['SCALERANGEINDEX']);
     $areaTypeStyle = $vectorScaleRangecElement->getElementsByTagName('AreaTypeStyle')->item(0);
     // Remove any existing <AreaRule> elements.
     $areaRuleList = $areaTypeStyle->getElementsByTagName('AreaRule');
     $ruleCount = $areaRuleList->length;
     for ($index = 0; $index < $ruleCount; $index++) {
         $areaTypeStyle->removeChild($areaRuleList->item(0));
     }
     // Now create the new <AreaRule> elements.
     $areaRuleTemplate = file_get_contents("templates/arearuletemplate.xml");
     $aggregateOptions = new MgFeatureAggregateOptions();
     $portion = 0.0;
     $increment = $this->args['NUMRULES'] > 1 ? $increment = 1.0 / ($this->args['NUMRULES'] - 1) : 1.0;
     if ($this->args['DISTRO'] == 'INDIV_DIST') {
         $aggregateOptions->AddFeatureProperty($this->args['PROPERTYNAME']);
         $aggregateOptions->SelectDistinct(true);
         $dataReader = $featureService->SelectAggregate($resId, $layer->GetFeatureClassName(), $aggregateOptions);
         while ($dataReader->ReadNext()) {
             $value = $this->GetFeaturePropertyValue($dataReader, $this->args['PROPERTYNAME']);
             $filterText = '&quot;' . $this->args['PROPERTYNAME'] . '&quot; = ';
             if ($this->args['DATATYPE'] == MgPropertyType::String) {
                 $filterText .= "'" . $value . "'";
             } else {
                 $filterText .= $value;
             }
             $areaRuleXML = sprintf($areaRuleTemplate, $this->args['PROPERTYNAME'] . ': ' . $value, $filterText, $this->InterpolateColor($portion, $this->args['FILLFROM'], $this->args['FILLTO'], $this->args['FILLTRANS']), $this->InterpolateColor($portion, $this->args['LINEFROM'], $this->args['LINETO'], 0));
             $areaDoc = DOMDocument::loadXML($areaRuleXML);
             $areaNode = $doc->importNode($areaDoc->documentElement, true);
             $areaTypeStyle->appendChild($areaNode);
             $portion += $increment;
         }
         $dataReader->Close();
     } else {
         $values = array();
         $aggregateOptions->AddComputedProperty('THEME_VALUE', $this->args['DISTRO'] . '("' . $this->args['PROPERTYNAME'] . '",' . $this->args['NUMRULES'] . ',' . $this->args['MINVALUE'] . ',' . $this->args['MAXVALUE'] . ')');
         $dataReader = $featureService->SelectAggregate($resId, $layer->GetFeatureClassName(), $aggregateOptions);
         while ($dataReader->ReadNext()) {
             $value = $this->GetFeaturePropertyValue($dataReader, 'THEME_VALUE');
             array_push($values, $value);
         }
         $dataReader->Close();
         for ($i = 0; $i < count($values) - 1; $i++) {
             $filterText = '&quot;' . $this->args['PROPERTYNAME'] . '&quot; &gt;= ' . $values[$i] . ' AND &quot;' . $this->args['PROPERTYNAME'];
             if ($i == count($values) - 1) {
                 $filterText .= '&quot; &lt;= ' . $values[$i + 1];
             } else {
                 $filterText .= '&quot; &lt; ' . $values[$i + 1];
             }
             $areaRuleXML = sprintf($areaRuleTemplate, $this->args['PROPERTYNAME'] . ': ' . $values[$i] . ' - ' . $values[$i + 1], $filterText, $this->InterpolateColor($portion, $this->args['FILLFROM'], $this->args['FILLTO'], $this->args['FILLTRANS']), $this->InterpolateColor($portion, $this->args['LINEFROM'], $this->args['LINETO'], 0));
             $areaDoc = DOMDocument::loadXML($areaRuleXML);
             $areaNode = $doc->importNode($areaDoc->documentElement, true);
             $areaTypeStyle->appendChild($areaNode);
             $portion += $increment;
         }
     }
     // Now save our new layer definition to the session and add it to the map.
     $layerDefinition = $doc->saveXML();
     $uniqueName = $this->MakeUniqueLayerName($map, $this->args['LAYERNAME'], $this->args['THEMENAME']);
     $legendLabel = $layer->GetLegendLabel();
     if (strlen(trim($this->args['THEMENAME'])) > 0) {
         $legendLabel .= ' (' . $this->args['THEMENAME'] . ')';
     }
     $layerResId = new MgResourceIdentifier('Session:' . $this->args['SESSION'] . '//' . $uniqueName . '.LayerDefinition');
     $byteSource = new MgByteSource($layerDefinition, strlen($layerDefinition));
     $resourceService->SetResource($layerResId, $byteSource->GetReader(), null);
     $newLayer = new MgLayer($layerResId, $resourceService);
     $newLayer->SetName($uniqueName);
     $newLayer->SetLegendLabel($legendLabel);
     $newLayer->SetDisplayInLegend($layer->GetDisplayInLegend());
     $newLayer->SetVisible(true);
     $newLayer->SetSelectable($layer->GetLegendLabel());
     $layers->Insert($layers->IndexOf($layer), $newLayer);
     $map->Save($resourceService);
     return $uniqueName;
 }