improvements

README.md

@@ -6,7 +6,7 @@ It's similar to Microsoft's WebForms with a great layout by default (like DevExp
 ## Available components
 * Table
 * Card
-* Breadcumb
+* Breadcrumb
 
 ## Examples
 
@@ -22,11 +22,29 @@ $table->setDataSource($employees);
 
 $table->setCustomCaptions(array("Name", "Surname", "Date of Birth", "Social Security Number")); //not required. If not specified it'll use objects' property names
 
+$table->addColumn("Extra");
+
+$table->onValueDisplaying("onValueDisplaying");
+
 $table->setStripedRows(true);
 $table->setBordered(true);
 $table->setHoverAnimation(true);
 
 $table->draw();
+
+function onValueDisplaying($caption, &$value, $row){
+	if($caption == "ssn"){
+		if($row["ssn"] != "12345"){
+			$value = "SSN not shown for privacy reasons";
+        }
+        else{
+			$value = $row["name"] . " " . $row["surname"] . " agreed to share their ssn (12345)" ;
+        }
+    }
+    else if($caption == "Extra"){
+		$value = "This column did not exist in the datasource";
+    }
+}
 ```
 
 produces the following output

phpxpress/examples/table.php

@@ -37,18 +37,29 @@
             $table = new Table;
             $table->setDataSource($employees);
             $table->setCustomCaptions(array("Name", "Surname", "Date of Birth", "Social Security Number"));
+
+            $table->addColumn("Extra");
+
+            $table->onValueDisplaying("onValueDisplaying");
+
             $table->setStripedRows(true);
             $table->setBordered(true);
             $table->setHoverAnimation(true);
 
-            $table->onValueDisplaying("onValueDisplaying"); // event
-
             $table->draw();
 
-            function onValueDisplaying($caption, &$value){
+            function onValueDisplaying($caption, &$value, $row){
                 if($caption == "ssn"){
+                    if($row["ssn"] != "12345"){
                         $value = "SSN not shown for privacy reasons";
                     }
+                    else{
+                        $value = $row["name"] . " " . $row["surname"] . " agreed to share their ssn (12345)" ;
+                    }
+                }
+                else if($caption == "Extra"){
+                    $value = "This column did not exist in the datasource";
+                }
             }
 
         ?>

phpxpress/phpxpress/table.php

@@ -46,7 +46,7 @@
           foreach ($obj as $name => $value) {
 
             if(isset( $this -> onValueDisplayingFunctionName)){
-              call_user_func_array($this -> onValueDisplayingFunctionName , array($name, &$value));
+              call_user_func_array($this -> onValueDisplayingFunctionName , array($name, &$value, (array)$obj));
             }
             echo '<td>' . $value . '</td>';
 
@@ -82,17 +82,41 @@
         throw new LengthException('Number of provided captions not matching the datasource ones.');
       }
 
+      /*
+      ** if you use addColumn() either
+      ** 1) you do not use any dataSource
+      ** 2) you set the dataSource prior to call this method (otherwise it won't be correctly shown)
+      */
+      function addColumn($captionName){
+
+        if(isset($this->columnCaptions)){
+          array_push($this->columnCaptions , $captionName);
+        }
+        else{
+          $this->columnCaptions = array($captionName);
+        }
+
+        // Add this property to every object/array of the dataSource
+        if(isset($this->dataSource)){
+          foreach($this->dataSource as $obj){
+            $obj->{$captionName} = null;
+          }
+        }
+
+      }
+
       /*
       ** The Event "onValueDisplaying" gets fired just before the displaying of a value within
       ** a table body, so you can display your own value if you want to.
       ** The function you have to provide must have this signature:
       **
-      **                        function myFunction($caption, &$value){...}
+      **                        function myFunction($caption, &$value, $row){...}
       **
       ** You can change "caption" and "value" to whichever name you want.
       **
-      ** caption: the ACTUAL fieldname of the dataSource whose value belong
+      ** caption: the ACTUAL fieldname of the dataSource whose value belongs to
       ** value:   the value you want to display.
+      ** row:     an associative array representing the row being processed
       */
       function onValueDisplaying($functionName){
         if(!is_callable($functionName))