Complementação da função de obtenção das colunas de atributos de um tema permitindo o uso de WMS

Edmar Moretti
1 parent 2711d9d8
Showing 5 changed files with 80 additions and 16 deletions Show diff stats
admin/admin.db
classesphp/classe_atributos.php
classesphp/classe_legenda.php
classesphp/funcoes_gerais.php
ferramentas/legenda/index.js.php
@@ -218,7 +218,7 @@ Lista os itens de um tema.
 			//pega o nome correto do tema
 			$nometmp = pegaNome($layer,"UTF-8");
 			$nomestemas[] = $nometmp;
-			if ($layer->data != "")
+			if($layer->data != "" || $layer->connectiontype == 7)
 			{
 					$items = pegaItens($layer,$this->mapa);
 					foreach ($items as $item)
@@ -164,7 +164,30 @@ Salva o mapfile atual
  	function salva()
  	{
 	  	if (connection_aborted()){exit();}
-	  	$this->mapa->save($this->arquivo);
+	  	$this->recalculaSLD();
+		$this->mapa->save($this->arquivo);
+	}
+/*
+function: recalculaSLD
+
+Constrói o SLD que é aplicado ao metadata wms_sld_body. O SLD resultante é baseado nas definições das classes existentes no layer
+*/
+	function recalculaSLD(){
+		if($this->layer->classitem != "" && $this->layer->connectiontype == 7 && $this->layer->numclasses > 0){
+			$tipotemp = $this->layer->type;
+			$tiporep = $this->layer->getmetadata("tipooriginal");
+			$this->layer->set("type",MS_LAYER_POLYGON);
+			if ($tiporep == "linear")
+			{$this->layer->set("type",MS_LAYER_LINE);}
+			if ($tiporep == "pontual")
+			{$this->layer->set("type",MS_LAYER_POINT);}
+			$this->layer->set("status",MS_DEFAULT);
+			$this->layer->setmetadata("wms_sld_body","");
+			$sld = $this->layer->generateSLD();
+			if($sld != "")
+			{$this->layer->setmetadata("wms_sld_body",str_replace('"',"'",$sld));}
+			$this->layer->set("type",$tipotemp);
+		}	
 	}
 /*
@@ -284,7 +307,23 @@ array
 			$c = $layer->connectiontype;
 			$s = $layer->getmetadata("wms_sld_url");
 			$im = $layer->getmetadata("legendaimg");
-			if ($c == 7 || $im != "")
+			$nc = $layer->numclasses;
+			//
+			//se for wms e tiver classes define o tipo de layer para poder gerar a legenda corretamente
+			//
+			if($c == 7 && $nc > 0){
+				$tipotemp = $layer->type;
+				$tiporep = $layer->getmetadata("tipooriginal");
+				$layer->set("type",MS_LAYER_POLYGON);
+				if($tiporep == "linear")
+				{$layer->set("type",MS_LAYER_LINE);}
+				if ($tiporep == "pontual")
+				{$layer->set("type",MS_LAYER_POINT);}						
+			}
+			//
+			//se for WMS e não tiver classes, tenta pegar a legenda via requisição WMS
+			//
+			if ($nc == 0 && ($c == 7 || $im != ""))
 			{
 				if($c == 7){
 					$con = $layer->connection;
@@ -303,7 +342,6 @@ array
 			}
 			else
 			{
-				$nc = $layer->numclasses;
 				for ($c = 0;$c < $nc;$c++)
 				{
 					$classe = $layer->getclass($c);
@@ -1345,17 +1345,43 @@ Retorno:
 */
 function pegaItens($layer,$mapa="")
 {
-	if($layer->type == MS_LAYER_RASTER && $mapa != ""){
-		$pt = ms_newPointObj();
-		$pt->setXY($mapa->extent->minx,$mapa->extent->miny);
-		$layer->queryByPoint($pt,0,0);
-	}
-	$sopen = $layer->open();
-	if($sopen != MS_FAILURE)
-	{$items = $layer->getItems();}
-	else
-	{$items = array();}
-	$layer->close();
+	//
+	//no caso de WMS ou WFS
+	//
+
+	if($layer->connectiontype == 7){
+		$url = $layer->connection;
+		$temp = explode("?",$url);
+		if(count($temp) == 1)
+		{$url .= "?";}
+		$url = $url."&SERVICE=wfs&VERSION=1.1.0&REQUEST=DescribeFeatureType&TYPENAME=".$layer->getmetadata("wms_name");
+		//$url = "http://ogi.state.ok.us/geoserver/wfs?VERSION=1.1.0&REQUEST=DescribeFeatureType&TYPENAME=okcounties";
+		$xml = simplexml_load_file($url);
+		$dom = new DOMDocument();
+		$dom->loadXML($xml->asxml());
+		$items = array();
+		$sequences = $dom->getElementsByTagName("sequence");
+		
+		foreach ($sequences as $sq){
+			$services = $sq->getElementsByTagName("element");
+			foreach ($services as $s){
+				$items[] = $s->getAttribute("name");
+			}
+		}
+	}
+	else{
+		if($layer->type == MS_LAYER_RASTER && $mapa != ""){
+			$pt = ms_newPointObj();
+			$pt->setXY($mapa->extent->minx,$mapa->extent->miny);
+			$layer->queryByPoint($pt,0,0);
+		}
+		$sopen = $layer->open();
+		if($sopen != MS_FAILURE)
+		{$items = $layer->getItems();}
+		else
+		{$items = array();}
+		$layer->close();
+	}
 	return $items;
 }
 /*
@@ -447,7 +447,7 @@ i3GEOF.legenda = {
 			{$i("i3GEOlegendaresultado").innerHTML = "<p style=color:red >Ocorreu um erro<br>";}
 			i3GEOF.legenda.aguarde.visibility = "hidden";
 		}
-		catch(e){alert("Erro: "+ e);i3GEOF.legenda.aguarde.visibility = "hidden";}
+		catch(e){alert("Não é possível editar a legenda desse tema");i3GEOF.legenda.aguarde.visibility = "hidden";}
 	},
 	aplicaColourRamp: function(){
 		if($i("listaColourRamp").value != ""){
	@@ -218,7 +218,7 @@ Lista os itens de um tema.		@@ -218,7 +218,7 @@ Lista os itens de um tema.
218	//pega o nome correto do tema	218	//pega o nome correto do tema
219	$nometmp = pegaNome($layer,"UTF-8");	219	$nometmp = pegaNome($layer,"UTF-8");
220	$nomestemas[] = $nometmp;	220	$nomestemas[] = $nometmp;
221	- if ($layer->data != "")	221	+ if($layer->data != "" \|\| $layer->connectiontype == 7)
222	{	222	{
223	$items = pegaItens($layer,$this->mapa);	223	$items = pegaItens($layer,$this->mapa);
224	foreach ($items as $item)	224	foreach ($items as $item)
	@@ -164,7 +164,30 @@ Salva o mapfile atual		@@ -164,7 +164,30 @@ Salva o mapfile atual
164	function salva()	164	function salva()
165	{	165	{
166	if (connection_aborted()){exit();}	166	if (connection_aborted()){exit();}
167	- $this->mapa->save($this->arquivo);	167	+ $this->recalculaSLD();
		168	+ $this->mapa->save($this->arquivo);
		169	+ }
		170	+/*
		171	+function: recalculaSLD
		172	+
		173	+Constrói o SLD que é aplicado ao metadata wms_sld_body. O SLD resultante é baseado nas definições das classes existentes no layer
		174	+*/
		175	+ function recalculaSLD(){
		176	+ if($this->layer->classitem != "" && $this->layer->connectiontype == 7 && $this->layer->numclasses > 0){
		177	+ $tipotemp = $this->layer->type;
		178	+ $tiporep = $this->layer->getmetadata("tipooriginal");
		179	+ $this->layer->set("type",MS_LAYER_POLYGON);
		180	+ if ($tiporep == "linear")
		181	+ {$this->layer->set("type",MS_LAYER_LINE);}
		182	+ if ($tiporep == "pontual")
		183	+ {$this->layer->set("type",MS_LAYER_POINT);}
		184	+ $this->layer->set("status",MS_DEFAULT);
		185	+ $this->layer->setmetadata("wms_sld_body","");
		186	+ $sld = $this->layer->generateSLD();
		187	+ if($sld != "")
		188	+ {$this->layer->setmetadata("wms_sld_body",str_replace('"',"'",$sld));}
		189	+ $this->layer->set("type",$tipotemp);
		190	+ }
168	}	191	}
169		192
170	/*	193	/*
	@@ -284,7 +307,23 @@ array		@@ -284,7 +307,23 @@ array
284	$c = $layer->connectiontype;	307	$c = $layer->connectiontype;
285	$s = $layer->getmetadata("wms_sld_url");	308	$s = $layer->getmetadata("wms_sld_url");
286	$im = $layer->getmetadata("legendaimg");	309	$im = $layer->getmetadata("legendaimg");
287	- if ($c == 7 \|\| $im != "")	310	+ $nc = $layer->numclasses;
		311	+ //
		312	+ //se for wms e tiver classes define o tipo de layer para poder gerar a legenda corretamente
		313	+ //
		314	+ if($c == 7 && $nc > 0){
		315	+ $tipotemp = $layer->type;
		316	+ $tiporep = $layer->getmetadata("tipooriginal");
		317	+ $layer->set("type",MS_LAYER_POLYGON);
		318	+ if($tiporep == "linear")
		319	+ {$layer->set("type",MS_LAYER_LINE);}
		320	+ if ($tiporep == "pontual")
		321	+ {$layer->set("type",MS_LAYER_POINT);}
		322	+ }
		323	+ //
		324	+ //se for WMS e não tiver classes, tenta pegar a legenda via requisição WMS
		325	+ //
		326	+ if ($nc == 0 && ($c == 7 \|\| $im != ""))
288	{	327	{
289	if($c == 7){	328	if($c == 7){
290	$con = $layer->connection;	329	$con = $layer->connection;
	@@ -303,7 +342,6 @@ array		@@ -303,7 +342,6 @@ array
303	}	342	}
304	else	343	else
305	{	344	{
306	- $nc = $layer->numclasses;
307	for ($c = 0;$c < $nc;$c++)	345	for ($c = 0;$c < $nc;$c++)
308	{	346	{
309	$classe = $layer->getclass($c);	347	$classe = $layer->getclass($c);
	@@ -1345,17 +1345,43 @@ Retorno:		@@ -1345,17 +1345,43 @@ Retorno:
1345	*/	1345	*/
1346	function pegaItens($layer,$mapa="")	1346	function pegaItens($layer,$mapa="")
1347	{	1347	{
1348	- if($layer->type == MS_LAYER_RASTER && $mapa != ""){
1349	- $pt = ms_newPointObj();
1350	- $pt->setXY($mapa->extent->minx,$mapa->extent->miny);
1351	- $layer->queryByPoint($pt,0,0);
1352	- }
1353	- $sopen = $layer->open();
1354	- if($sopen != MS_FAILURE)
1355	- {$items = $layer->getItems();}
1356	- else
1357	- {$items = array();}
1358	- $layer->close();	1348	+ //
		1349	+ //no caso de WMS ou WFS
		1350	+ //
		1351	+
		1352	+ if($layer->connectiontype == 7){
		1353	+ $url = $layer->connection;
		1354	+ $temp = explode("?",$url);
		1355	+ if(count($temp) == 1)
		1356	+ {$url .= "?";}
		1357	+ $url = $url."&SERVICE=wfs&VERSION=1.1.0&REQUEST=DescribeFeatureType&TYPENAME=".$layer->getmetadata("wms_name");
		1358	+ //$url = "http://ogi.state.ok.us/geoserver/wfs?VERSION=1.1.0&REQUEST=DescribeFeatureType&TYPENAME=okcounties";
		1359	+ $xml = simplexml_load_file($url);
		1360	+ $dom = new DOMDocument();
		1361	+ $dom->loadXML($xml->asxml());
		1362	+ $items = array();
		1363	+ $sequences = $dom->getElementsByTagName("sequence");
		1364	+
		1365	+ foreach ($sequences as $sq){
		1366	+ $services = $sq->getElementsByTagName("element");
		1367	+ foreach ($services as $s){
		1368	+ $items[] = $s->getAttribute("name");
		1369	+ }
		1370	+ }
		1371	+ }
		1372	+ else{
		1373	+ if($layer->type == MS_LAYER_RASTER && $mapa != ""){
		1374	+ $pt = ms_newPointObj();
		1375	+ $pt->setXY($mapa->extent->minx,$mapa->extent->miny);
		1376	+ $layer->queryByPoint($pt,0,0);
		1377	+ }
		1378	+ $sopen = $layer->open();
		1379	+ if($sopen != MS_FAILURE)
		1380	+ {$items = $layer->getItems();}
		1381	+ else
		1382	+ {$items = array();}
		1383	+ $layer->close();
		1384	+ }
1359	return $items;	1385	return $items;
1360	}	1386	}
1361	/*	1387	/*
	@@ -447,7 +447,7 @@ i3GEOF.legenda = {		@@ -447,7 +447,7 @@ i3GEOF.legenda = {
447	{$i("i3GEOlegendaresultado").innerHTML = "<p style=color:red >Ocorreu um erro<br>";}	447	{$i("i3GEOlegendaresultado").innerHTML = "<p style=color:red >Ocorreu um erro<br>";}
448	i3GEOF.legenda.aguarde.visibility = "hidden";	448	i3GEOF.legenda.aguarde.visibility = "hidden";
449	}	449	}
450	- catch(e){alert("Erro: "+ e);i3GEOF.legenda.aguarde.visibility = "hidden";}	450	+ catch(e){alert("Não é possível editar a legenda desse tema");i3GEOF.legenda.aguarde.visibility = "hidden";}
451	},	451	},
452	aplicaColourRamp: function(){	452	aplicaColourRamp: function(){
453	if($i("listaColourRamp").value != ""){	453	if($i("listaColourRamp").value != ""){