- New directory application/widgets/html/ for widgets to render HTML

elements
- All the widgets classes to render HTML elements moved from WidgetLib
to application/widgets/html/
- New directory application/widgets/udf/ for widgets to render UDF
- All the UDF widgets classes moved from WidgetLib to
application/widgets/udf/
- HTMLWidget is now the main class to render HTML widget
- UDFWidget is now the mail class to render UDF
- Removed UDFWidgetTpl
- Added function loadResource to fhc helper
- Changed method widget of WidgetLib (using loadResource)
- Moved UDFWidget method from WidgetLib to UDFLib
- Slimmed down class Widget present in WidgetLib
- Controller system/UDf now uses UDFLib
- View application/views/system/udf.php now uses UDFLib
- Updated udf and html widgets to adapt them to the new libs

application/libraries/UDFLib.php

@@ -0,0 +1,77 @@
+<?php
+
+if (! defined('BASEPATH')) exit('No direct script access allowed');
+
+/**
+ * Library to manage UDF
+ */
+class UDFLib
+{
+	const WIDGET_NAME = 'UDFWidget';
+	const SCHEMA_ARG_NAME = 'schema';
+	const TABLE_ARG_NAME = 'table';
+	const FIELD_ARG_NAME = 'field';
+	const UDFS_ARG_NAME = 'udfs';
+	
+	// HTML components
+	const TITLE = 'description';
+	const LABEL = 'title';
+	const PLACEHOLDER = 'placeholder';
+	const DEFAULT_VALUE = 'defaultValue';
+	
+	// Validation attributes
+	const REGEX = 'regex';
+	const REQUIRED = 'required';
+	const MAX_VALUE = 'max-value';
+	const MIN_VALUE = 'min-value';
+	const MAX_LENGTH = 'max-length';
+	const MIN_LENGTH = 'min-length';
+	
+	private $_ci;
+	
+	public function __construct($config = array())
+	{
+		$this->_ci = & get_instance();
+		
+		$this->_ci->load->helper('fhc');
+		
+		// Loads the widget library
+		$this->_ci->load->library('WidgetLib');
+		
+        // Loads widgets to render HTML elements
+        // NOTE: the first one to be loaded must be HTMLWidget
+        loadResource(APPPATH . 'widgets/udf');
+	}
+	
+	/**
+     * 
+     */
+    public function UDFWidget($args, $htmlArgs = array())
+    {
+		if (!empty($args[UDFLib::SCHEMA_ARG_NAME]) && !empty($args[UDFLib::TABLE_ARG_NAME]))
+		{
+			// 
+			if (empty($args[UDFLib::FIELD_ARG_NAME]) && !isset($htmlArgs[HTMLWidget::EXTERNAL_BLOCK]))
+			{
+				$htmlArgs[HTMLWidget::EXTERNAL_BLOCK] = true;
+			}
+			
+			return $this->_ci->widgetlib->widget(
+				UDFLib::WIDGET_NAME,
+				$args,
+				$htmlArgs
+			);
+		}
+		else
+		{
+			if (empty($args[UDFLib::SCHEMA_ARG_NAME]))
+			{
+				show_error(UDFLib::SCHEMA_ARG_NAME.' parameter is missing!');
+			}
+			if (empty($args[UDFLib::TABLE_ARG_NAME]))
+			{
+				show_error(UDFLib::TABLE_ARG_NAME.' parameter is missing!');
+			}
+		}
+    }
+}