Show Designation on COntribution screen on the basis how they are selected from settings

ftoverride.php

@@ -204,9 +204,10 @@ function ftoverride_civicrm_buildForm($formName, &$form) {
         $showElement = FALSE;
       }
     }
+
     $form->assign('showElement', $showElement);
-    $financialTypes = [];
-    CRM_Financial_BAO_FinancialType::getAvailableFinancialTypes($financialTypes, $form->getVar('_action'));
+    $financialTypes = ftoverride_get_financialType($form->getVar('_action'));
+    $form->add('hidden', 'hidden_designation');
     $form->add(
       'select',
       'designation',
@@ -222,13 +223,17 @@ function ftoverride_civicrm_buildForm($formName, &$form) {
     CRM_Core_Region::instance('page-body')->add(array(
      'template' => 'CRM/Contribute/Form/ContributionPage/common.tpl',
     ));
+
     if ($form->getVar('_id')) {
       try {
         $designations = ftoverride_get_designation($form->getVar('_id'));
         if (empty($designations)) {
           return;
         }
-        $form->setDefaults(['designation' => $designations]);
+        $form->setDefaults([
+          'designation' => $designations,
+          'hidden_designation' => implode(',', $designations),
+        ]);
       }
       catch (Exception $e) {
         // Ignore
@@ -239,7 +244,10 @@ function ftoverride_civicrm_buildForm($formName, &$form) {
   if ('CRM_Contribute_Form_Contribution_Confirm' == $formName && $form->_flagSubmitted) {
     $submitValues = $form->_params;
     if (!empty($submitValues['designation'])) {
-      //$form->assign('contribution_designation', $submitValues['designation']);
+      $form->assign('contribution_designation', $submitValues['designation']);
+      if ($submitValues['designation'] == 'other_financial_type') {
+        $form->_params['contribution_note'] = $submitValues['designation_note'];
+      }
     }
   }
 
@@ -250,18 +258,28 @@ function ftoverride_civicrm_buildForm($formName, &$form) {
         return;
       }
 
-      $financialTypes = [];
-      CRM_Financial_BAO_FinancialType::getAvailableFinancialTypes($financialTypes, $form->getVar('_action'));
+      $financialTypes = ftoverride_get_financialType($form->getVar('_action'));
       $designations = array_flip($designations);
-      $financialTypes = array_intersect_key($financialTypes, $designations);
+      foreach($designations as $id => &$label) {
+        $label = $financialTypes[$id];
+      }
       $form->add(
         'select',
         'designation',
         ts('Designation'),
-        ['' => ts('- select -')] + $financialTypes,
+        ['' => ts('- select -')] + $designations,
         FALSE,
         ['class' => 'crm-select2']
       );
+      $form->add(
+        'text',
+        'designation_note',
+        ''
+      );
+      reset($designations);
+      $form->setDefaults([
+        'designation' => key($designations),
+      ]);
       CRM_Core_Region::instance('page-body')->add(array(
        'template' => 'CRM/Contribute/Form/ContributionMain/common.tpl',
       ));
@@ -282,8 +300,12 @@ function ftoverride_civicrm_pre($op, $objectName, $id, &$params) {
   if ($op == 'create' && $objectName == 'Contribution' && !empty($params['contribution_page_id'])) {
     $designation = CRM_Core_Smarty::singleton()->get_template_vars('contribution_designation');
     if (!empty($designation)) {
-      $params['financial_type_id'] = $designation;
-      CRM_Core_Smarty::singleton()->assign('contribution_designation', '');
+      if ($designation == 'other_financial_type') {
+        // Ignore
+      }
+      else {
+        $params['financial_type_id'] = $designation;
+      }
     }
   }
 
@@ -299,13 +321,29 @@ function ftoverride_civicrm_pre($op, $objectName, $id, &$params) {
       'custom_group_id' => "ft_override",
       'name' => "ft_override_designation",
     ]);
-    $params["custom_{$customFieldId}"] = $params['designation'];
-    unset($params['designation']);
+    $params["custom_{$customFieldId}"] = explode(',', $params['hidden_designation']);
+    unset($params['designation'], $params['hidden_designation']);
     $contributionPage = civicrm_api3('ContributionPage', 'create', $params);
     $params = ['id' => $contributionPage['id']];
   }
 }
 
+/**
+ * Implements hook_civicrm_validateForm().
+ *
+ * @link http://wiki.civicrm.org/confluence/display/CRMDOC/hook_civicrm_validateForm
+ */
+function ftoverride_civicrm_validateForm($formName, &$fields, &$files, &$form, &$errors) {
+  if ('CRM_Contribute_Form_Contribution_Main' == $formName) {
+    if (!empty($fields['designation'])
+      && $fields['designation'] == 'other_financial_type'
+      && empty($fields['designation_note'])
+    ) {
+      $errors['designation_note'] = ts('Please provide other information about designation.');
+    }
+  }
+}
+
 /**
  * Implements hook_civicrm_buildAmount().
  *
@@ -314,7 +352,7 @@ function ftoverride_civicrm_pre($op, $objectName, $id, &$params) {
 function ftoverride_civicrm_buildAmount($pageType, &$form, &$amount) {
   if (!empty($amount) && $form->_flagSubmitted) {
     $submitValues = $form->_submitValues;
-    if (!empty($submitValues['designation'])) {
+    if (!empty($submitValues['designation']) && $submitValues['designation'] != 'other_financial_type') {
       foreach ($amount as &$priceFields) {
         foreach ($priceFields['options'] as &$options) {
           $options['financial_type_id'] = $submitValues['designation'];
@@ -336,3 +374,21 @@ function ftoverride_get_designation($pageId) {
   ]);
   return $designations;
 }
+
+function ftoverride_get_financialType($action) {
+  $financialTypes = [];
+  CRM_Financial_BAO_FinancialType::getAvailableFinancialTypes($financialTypes, $action);
+  if (empty($financialTypes)) {
+    return $financialTypes;
+  }
+  $result = civicrm_api3('FinancialType', 'get', [
+    'return' => ["description"],
+    'description' => ['!=' => ""],
+    'id' => ['IN' => array_keys($financialTypes)],
+  ]);
+  $descFinancialType = [];
+  if (!empty($result['values'])) {
+    $descFinancialType = array_column($result['values'], 'description', 'id');
+  }
+  return $descFinancialType + $financialTypes + ['other_financial_type' => ts('Other')];
+}

templates/CRM/Contribute/Form/ContributionMain/common.tpl

@@ -1,12 +1,27 @@
 <div class="crm-public-form-item crm-section ft_override_designation-section">
   <div class="label">{$form.designation.label}</div>
   <div class="content">{$form.designation.html}</div>
-        <div class="clear"></div>
-      </div>
+  <div class="clear"></div>
+  <div class="content designation_note-div">{$form.designation_note.html}</div>
+  <div class="clear"></div>
+</div>
 {literal}
 <script type="text/javascript">
   CRM.$(function($) {
     $('div#priceset:first').after($('div.ft_override_designation-section'));
+
+    hideShowDesignation();
+    $('#designation').change(hideShowDesignation);
+
+    function hideShowDesignation() {
+      var fT = $('#designation').val();
+      if (fT == 'other_financial_type') {
+        $('div.ft_override_designation-section div.designation_note-div').show();
+      }
+      else {
+        $('div.ft_override_designation-section div.designation_note-div').hide();
+      }
+    }
   });
 </script>
 {/literal}

templates/CRM/Contribute/Form/ContributionPage/common.tpl

@@ -9,6 +9,14 @@
 <script type="text/javascript">
   CRM.$(function($) {
     $('tr.crm-contribution-contributionpage-settings-form-block-financial_type_id').after($('table.ft_override_designation-block tr'));
+    $('#designation').change(function(e) {
+      var data = $('#designation').select2('data');
+      var selectedDesignations = new Array();
+      $.each(data, function( index, value ) {
+        selectedDesignations.push(value.id);
+      });
+      $('input[name="hidden_designation"]').val(selectedDesignations.join(","));
+    });
   });
 </script>
 {/literal}