ADD SHORTCODES AND DISPLAY THEM INTO ARTICLE

Changes:
+ add editor field to the backend,
+ user can insert text,
+ user can insert shortcodes,
+ shortcodes are converted to the custom field data,
+ data is displayed on the frontend.

helper.php

@@ -55,6 +55,13 @@ public static function getFields() {
 		// Paste results to the tmpl
 		return $result;
 	}
+
+	// Use input from settings to display and design the selected fields on the module
+	public static function getParams($getFieldsParams) {
+
+		$result = $getFieldsParams;
+		return $result;
+	}
 
 }
 

mod_custom_fields.php

@@ -22,9 +22,15 @@
 $input = JFactory::getApplication()->input;
 $articleId = $input->getInt('id');
 
-// Send the id to helper for processing
+// Send the id to helper for processing article related custom fields
 $sendIdToHelper = modCustomFieldsHelper::getId($articleId);
+
+// Get all the custom fields on the page
 $sendFieldsToHelper = modCustomFieldsHelper::getFields();
 
+// Use input from settings to display and design the selected fields on the module
+$getFieldsParams = $params->get('editorFields');
+$sendParamsToHelper = modCustomFieldsHelper::getParams($getFieldsParams);
+
 require JModuleHelper::getLayoutPath('mod_custom_fields');
 

mod_custom_fields.xml

@@ -1,8 +1,8 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="UTF-8"?>
 <extension type="module" version="3.1.0" client="site" method="upgrade">
     <name>Custom Fields Module</name>
     <author>Luka Oman</author>
-    <version>0.2.0</version>
+    <version>0.3.0</version>
     <description>A module that will display content of selected custom fields of the displayed article.</description>
 
     <files>
@@ -14,4 +14,18 @@
         <filename>tmpl/index.html</filename>
     </files>
 
+    <config>
+    	<fields name="params">
+			<fieldset name="basic">
+				<field
+					name="editorFields"
+					type="editor"
+					label="Insert and edit custom fields"
+					description="Click on the button and select the desired custom field to be inserted in the editor and in the module."
+					width="300"
+					filter="safehtml" />
+			</fieldset>
+		</fields>
+    </config>
+
 </extension>

tmpl/default.php

@@ -72,10 +72,31 @@
 		}
 	}
 
-	// display the fields in the module
-	echo "<div style='border 1px solid black'>";
+	// display the content of the editor in the module
+	$strContent = $sendParamsToHelper;
+	$strNewContent = $strContent;
+	$len = 0;
 
-	print_r($arrArticleFields);
-	echo "</div>";
+	for ( $i=0; $i < substr_count($strContent, "{field "); $i++ ) {
+		// Get field ID from the shortcodes
+		$fieldId = substr($strContent, strpos($strContent, "{field ", $len) + 7, strpos($strContent, "}", $len) - strpos($strContent, "{field ", $len) - 7);
+
+		// Get custom field label and values for this shortcode
+		$strFieldValue = $arrArticleFields[$arrLabels[$fieldId]];
+		$strFieldName = $arrLabels[$fieldId];
+
+		// Check if field actually exists
+		if ( array_key_exists($fieldId, $arrLabels) ) {
+			// replace shortcode with field value
+			$strNewContent = str_replace("{field " . $fieldId . "}", $strFieldValue . " ", $strNewContent);
+		}
+
+		// Let's move to the next field
+		$len = strpos($strContent, "}", $len) + 1;
+
+	}
+
+	// Display content without shortcodes
+	echo $strNewContent;
 
 ?>