added method

src/main/java/org/gcube/portlets/user/geoportaldataentry/client/GeoPortalDataEntryApp.java

@@ -353,5 +353,55 @@ public class GeoPortalDataEntryApp implements EntryPoint {
 			}
 		});
 	}
+	
+	public static native String jsonToHTML(String jsonTxt)/*-{
+	 try
+	    {
+	       var jsonObj = JSON.parse(jsonTxt);
+	
+	       if(jsonObj.length==undefined)
+	        jsonObj = [jsonObj]
+	        //console.log(jsonObj.length)
+	
+	      // EXTRACT VALUE FOR HTML HEADER.
+	       var col = [];
+	       for (var i = 0; i < jsonObj.length; i++) {
+	        for (var key in jsonObj[i]) {
+	          //console.log('key json' +key)
+	          if (col.indexOf(key) === -1) {
+	            col.push(key);
+	          }
+	        }
+	       }
+	
+	       // CREATE DYNAMIC TABLE.
+	       var table = document.createElement("table");
+	       try{
+	    	   table.classList.add("my-html-table");
+	    
+	       }catch(e){
+	    		console.log('invalid css add', e);
+	       }
+
+	       // ADD JSON DATA TO THE TABLE AS ROWS.
+	       for (var i = 0; i < col.length; i++) {
+	          tr = table.insertRow(-1);
+	          var firstCell = tr.insertCell(-1);
+	          //firstCell.style.cssText="font-weight: bold; text-align: center; vertical-align: middle;";
+	          firstCell.innerHTML = col[i];
+	          for (var j = 0; j < jsonObj.length; j++) {
+	            var tabCell = tr.insertCell(-1);
+	            var theValue = jsonObj[j][col[i]];
+	            tabCell.innerHTML = theValue;
+	           }
+	       }
+	
+		   return table;
+	    }
+	    catch(e){
+	       console.log('invalid json', e);
+	    }
+
+	}-*/;
 
 }