Multiple values for array type parameters as separated lines in the textarea.

Improved required parameter handling for the array type.
Improved default value handling for the array type.

src/main/javascript/helpers/handlebars.js

@@ -4,4 +4,25 @@ Handlebars.registerHelper('sanitize', function(html) {
     // Strip the script tags from the html, and return it as a Handlebars.SafeString
     html = html.replace(/<script\b[^<]*(?:(?!<\/script>)<[^<]*)*<\/script>/gi, '');
     return new Handlebars.SafeString(html);
+});
+
+Handlebars.registerHelper('renderTextParam', function(param) {
+    var result;
+    var isArray = param.type.toLowerCase() === 'array' || param.allowMultiple;
+    var defaultValue = isArray && Array.isArray(param.default) ? param.default.join('\n') : param.default;
+
+    if (typeof defaultValue === 'undefined') {
+        defaultValue = '';
+    }
+
+    if(isArray) {
+        result = "<textarea class='body-textarea" + (param.required ? " required" : "") + "' name='" + param.name + "'"
+            + " placeholder='Provide multiple values in new lines" + (param.required ? " (at least one required)." : ".") + "'>"
+            + defaultValue + "</textarea>";
+    } else {
+        result = "<input class='parameter'" + (param.required ? " class='required'" : "") + " minlength='" + (param.required ? 1 : 0)
+            + "' name='" + param.name +"' placeholder='" + (param.required ? "(required)" : "") + "'"
+            + " type='text' value='" + defaultValue + "'/>";
+    }
+    return new Handlebars.SafeString(result);
 });

src/main/javascript/view/OperationView.js

@@ -275,6 +275,20 @@ SwaggerUi.Views.OperationView = Backbone.View.extend({
         error_free = false;
       }
     });
+    form.find('select.required').each(function() {
+      $(this).removeClass('error');
+      if (this.selectedIndex === -1) {
+        $(this).addClass('error');
+        $(this).wiggle({
+          callback: (function(_this) {
+            return function() {
+              $(_this).focus();
+            };
+          })(this)
+        });
+        error_free = false;
+      }
+    });
     if (error_free) {
       map = {};
       opts = {
@@ -295,8 +309,9 @@ SwaggerUi.Views.OperationView = Backbone.View.extend({
       ref2 = form.find('textarea');
       for (m = 0, len1 = ref2.length; m < len1; m++) {
         o = ref2[m];
-        if ((o.value !== null) && jQuery.trim(o.value).length > 0) {
-          map[o.name] = o.value;
+        val = this.getTextAreaValue(o);
+        if ((val !== null) && jQuery.trim(val).length > 0) {
+          map[o.name] = val;
         }
       }
       ref3 = form.find('select');
@@ -661,5 +676,38 @@ SwaggerUi.Views.OperationView = Backbone.View.extend({
     } else {
       Docs.expandOperation(elem);
     }
+  },
+
+  getTextAreaValue: function(textArea) {
+    var param, parsed, result, i;
+    if (textArea.value === null || jQuery.trim(textArea.value).length === 0) {
+      return null;
+    }
+    param = this.getParamByName(textArea.name);
+    if (param && param.type && param.type.toLowerCase() === 'array') {
+      parsed = textArea.value.split('\n');
+      result = [];
+      for (i = 0; i < parsed.length; i++) {
+        if (parsed[i] !== null && jQuery.trim(parsed[i]).length > 0) {
+          result.push(parsed[i]);
+        }
+      }
+      return result.length > 0 ? result : null;
+    } else {
+      return textArea.value;
+    }
+  },
+
+  getParamByName: function(name) {
+    var i;
+    if (this.model.parameters) {
+      for(i = 0; i < this.model.parameters.length; i++) {
+        if (this.model.parameters[i].name === name) {
+          return this.model.parameters[i];
+        }
+      }
+    }
+    return null;
   }
+
 });

src/main/javascript/view/ParameterView.js

@@ -4,9 +4,9 @@ SwaggerUi.Views.ParameterView = Backbone.View.extend({
   initialize: function(){
     Handlebars.registerHelper('isArray', function(param, opts) {
       if (param.type.toLowerCase() === 'array' || param.allowMultiple) {
-        opts.fn(this);
+        return opts.fn(this);
       } else {
-        opts.inverse(this);
+        return opts.inverse(this);
       }
     });
   },