Merge pull request #55 from nodes-vapor/develop

Added a textarea leaf tag

Author: Casperhr

Sources/AdminPanel/Support/LeafTags/FormTextAreaGroup.swift

@@ -0,0 +1,110 @@
+import Foundation
+import Leaf
+import Node
+import Vapor
+import VaporForms
+
+public class FormTextAreaGroup: BasicTag {
+    public init(){}
+    public let name = "form:textareagroup"
+    
+    public func run(arguments: [Argument]) throws -> Node? {
+        
+        /*
+         #form:textgroup(key, value, fieldset, attr1, attr2 etc)
+         
+         Arguments:
+         [0] = The name of the input (the key that gets posted) *
+         [1] = The value of the input (the value that gets posted) (defaults to empty string) *
+         [2] = The VaporForms Fieldset of the entire model * **
+         
+         * - All the arguments are actually required. We need to throw exceptions at people if they don't supply all of them
+         ** - It would be awesome if you could only post the exact Field of the Fieldset so we don't need to find it in this code (its gonna get repetetive)
+         
+         The <label> will get its value from the Fieldset
+         
+         If the Fieldset has the "errors" property the form-group will get the has-error css class and all errors will be added as help-block's to the form-group
+         
+         given input:
+         
+         let fieldset = Fieldset([
+         "name": StringField(
+         label: "Name"
+         )
+         ], requiring: ["name"])
+         
+         #form:textgroup("name", "John Doe", fieldset)
+         
+         expected output if fieldset is valid:
+         <div class="form-group">
+         <label class="control-label" for="name">Name</label>
+         <input class="form-control" type="text" id="name" name="name" value="John Doe" />
+         </div>
+         
+         expected output if fieldset is invalid:
+         <div class="form-group has-error">
+         <label class="control-label" for="name">Name</label>
+         <input class="form-control" type="text" id="name" name="name" value="John Doe" />
+         <span class="help-block">...validation message</span>
+         </div>
+         */
+        
+        
+        guard arguments.count >= 3,
+            let inputName: String = arguments[0].value?.string,
+            let fieldsetNode = arguments[2].value?.nodeObject
+            else {
+                throw Abort.custom(status: .internalServerError, message: "FormTextGroup parse error, expecting: #form:textareagroup(\"name\", \"default\", fieldset)")
+        }
+        
+        // Retrieve field set for name
+        let fieldset = fieldsetNode[inputName]
+        
+        // Retrieve input value, value from fieldset else passed default value
+        let inputValue = fieldset?["value"]?.string ?? arguments[1].value?.string ?? ""
+        
+        let label = fieldset?["label"]?.string ?? inputName
+        
+        // This is not a required property
+        let errors = fieldset?["errors"]?.pathIndexableArray
+        
+        // Start constructing the template
+        var template = [String]()
+        
+        template.append("<div class='form-group \(errors != nil ? "has-error" : "")'>")
+        
+        template.append("<label class='control-label' for='\(inputName)'>\(label)</label>")
+        
+        template.append("<textarea class='form-control' id='\(inputName)' name='\(inputName)' value='\(inputValue)'")
+        
+        // Add custom attributes
+        if arguments.count > 3 {
+            let max = arguments.count - 1
+            for index in 3 ... max {
+                if let argument = arguments[index].value?.string {
+                    template.append(" " + argument)
+                }
+            }
+        }
+        
+        template.append("</>")
+        template.append("</textarea>")
+        
+        // If Fieldset has errors then loop through them and add help-blocks
+        if(errors != nil) {
+            for e in errors! {
+                
+                guard let errorString = e.string else {
+                    continue
+                }
+                
+                template.append("<span class='help-block'>\(errorString)</span>")
+            }
+        }
+        
+        template.append("</div>")
+        
+        // Return template
+        return .bytes(template.joined().bytes)
+    }
+}

Sources/AdminPanel/Support/Provider.swift

@@ -18,6 +18,7 @@ public final class Provider: Vapor.Provider {
             leaf.stem.register(FormOpen())
             leaf.stem.register(FormClose())
             leaf.stem.register(FormTextGroup())
+            leaf.stem.register(FormTextAreaGroup())
             leaf.stem.register(FormEmailGroup())
             leaf.stem.register(FormPasswordGroup())
             leaf.stem.register(FormNumberGroup())