👌 Show what prevents creation of link

- Site name already exists?
- Site name empty?

phpmon/Domain/Core/Base.lproj/Main.storyboard

@@ -529,15 +529,25 @@ Gw
                                     <color key="backgroundColor" name="textBackgroundColor" catalog="System" colorSpace="catalog"/>
                                 </textFieldCell>
                             </textField>
+                            <textField hidden="YES" horizontalHuggingPriority="251" verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="900-Z2-tID">
+                                <rect key="frame" x="115" y="23" width="128" height="14"/>
+                                <textFieldCell key="cell" lineBreakMode="clipping" title="That link already exists." id="jOt-n6-TQf">
+                                    <font key="font" metaFont="smallSystem"/>
+                                    <color key="textColor" name="systemRedColor" catalog="System" colorSpace="catalog"/>
+                                    <color key="backgroundColor" name="textBackgroundColor" catalog="System" colorSpace="catalog"/>
+                                </textFieldCell>
+                            </textField>
                         </subviews>
                         <constraints>
                             <constraint firstItem="VzR-5a-cmT" firstAttribute="trailing" secondItem="ZX9-s1-23i" secondAttribute="trailing" id="06B-dj-IBU"/>
                             <constraint firstItem="ZX9-s1-23i" firstAttribute="top" secondItem="6JT-Vt-3q0" secondAttribute="bottom" constant="8" symbolic="YES" id="0QU-nI-sYv"/>
                             <constraint firstAttribute="bottom" secondItem="SwS-o8-pbl" secondAttribute="bottom" constant="20" symbolic="YES" id="24Z-vC-4E8"/>
+                            <constraint firstItem="900-Z2-tID" firstAttribute="centerY" secondItem="PVw-cM-qAB" secondAttribute="centerY" id="578-2f-4x8"/>
                             <constraint firstItem="ZX9-s1-23i" firstAttribute="leading" secondItem="6JT-Vt-3q0" secondAttribute="trailing" constant="-440" id="6eF-GS-Xcn"/>
                             <constraint firstItem="6JT-Vt-3q0" firstAttribute="top" secondItem="P0B-Ht-R8n" secondAttribute="bottom" constant="8" symbolic="YES" id="DGN-4k-X0h"/>
                             <constraint firstItem="P0B-Ht-R8n" firstAttribute="top" secondItem="JJJ-T9-Yuv" secondAttribute="top" constant="20" symbolic="YES" id="F2r-6E-qxh"/>
                             <constraint firstItem="mmQ-7e-dlb" firstAttribute="top" secondItem="KZf-b0-9cm" secondAttribute="bottom" constant="8" symbolic="YES" id="G21-Vd-tgl"/>
+                            <constraint firstItem="900-Z2-tID" firstAttribute="leading" secondItem="PVw-cM-qAB" secondAttribute="trailing" constant="8" symbolic="YES" id="QzV-vP-fbq"/>
                             <constraint firstItem="VzR-5a-cmT" firstAttribute="leading" secondItem="ZX9-s1-23i" secondAttribute="leading" id="UPN-Ad-j3X"/>
                             <constraint firstItem="KZf-b0-9cm" firstAttribute="leading" secondItem="JJJ-T9-Yuv" secondAttribute="leading" constant="20" symbolic="YES" id="Vab-wq-9Nc"/>
                             <constraint firstAttribute="bottom" secondItem="PVw-cM-qAB" secondAttribute="bottom" constant="20" symbolic="YES" id="VsP-Q0-zRW"/>
@@ -561,6 +571,9 @@ Gw
                         <outlet property="pathControl" destination="6JT-Vt-3q0" id="f5K-8h-VOd"/>
                         <outlet property="pressedCancel" destination="SwS-o8-pbl" id="cLR-Yn-TSs"/>
                         <outlet property="previewText" destination="VzR-5a-cmT" id="qwd-wX-645"/>
+                        <outlet property="textFieldError" destination="900-Z2-tID" id="qUk-FE-IKW"/>
+                        <outlet property="textFieldSecure" destination="mmQ-7e-dlb" id="LeA-YS-hRM"/>
+                        <outlet property="textFieldTitle" destination="P0B-Ht-R8n" id="Qh8-qv-6iR"/>
                     </connections>
                 </viewController>
                 <customObject id="6XV-bG-0N1" userLabel="First Responder" customClass="NSResponder" sceneMemberID="firstResponder"/>
@@ -729,7 +742,7 @@ Gw
                                     <constraint firstAttribute="width" relation="greaterThanOrEqual" constant="600" id="iRQ-sz-oyv"/>
                                 </constraints>
                                 <scroller key="horizontalScroller" hidden="YES" wantsLayer="YES" verticalHuggingPriority="750" horizontal="YES" id="TDE-ff-DQT">
-                                    <rect key="frame" x="1" y="293" width="548" height="15"/>
+                                    <rect key="frame" x="1" y="293" width="598" height="15"/>
                                     <autoresizingMask key="autoresizingMask"/>
                                 </scroller>
                                 <scroller key="verticalScroller" hidden="YES" wantsLayer="YES" verticalHuggingPriority="750" horizontal="NO" id="wFn-93-f10">

phpmon/Domain/SiteList/AddSiteVC.swift

@@ -15,9 +15,29 @@ class AddSiteVC: NSViewController, NSTextFieldDelegate {
     @IBOutlet weak var linkName: NSTextField!
     @IBOutlet weak var previewText: NSTextField!
     @IBOutlet weak var buttonSecure: NSButton!
-    
     @IBOutlet weak var buttonCreateLink: NSButton!
 
+    @IBOutlet weak var textFieldTitle: NSTextField!
+    @IBOutlet weak var textFieldSecure: NSTextField!
+    @IBOutlet weak var textFieldError: NSTextField!
+    
+    // MARK: - View Lifecycle
+    
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        loadStaticLocalisedStrings()
+    }
+    
+    // MARK: - Localisation
+    
+    func loadStaticLocalisedStrings() {
+        textFieldTitle.stringValue = "site_list.add.link_folder".localized
+        linkName.placeholderString = "site_list.add.domain_name_placeholder".localized
+        textFieldSecure.stringValue = "site_list.add.secure_description".localized
+    }
+    
+    // MARK: - Outlet Interactions
+    
     @IBAction func pressedCreateLink(_ sender: Any) {
         let path = self.pathControl.url!.path
         let name = self.linkName.stringValue
@@ -48,19 +68,46 @@ class AddSiteVC: NSViewController, NSTextFieldDelegate {
         updatePreview()
     }
     
+    // MARK: - Text Field Delegate
+    
     func controlTextDidChange(_ obj: Notification) {
         updateTextField()
     }
     
+    // MARK: - Helper Methods
+    
+    private func isValidLinkName(_ name: String) -> Bool {
+        if self.linkName.stringValue.isEmpty {
+            self.textFieldError.isHidden = false
+            self.textFieldError.stringValue = "site_list.add.errors.empty".localized
+            return false
+        }
+        
+        if Valet.shared.sites.contains(where: { $0.name == name }) {
+            self.textFieldError.isHidden = false
+            self.textFieldError.stringValue = "site_list.add.errors.already_exists".localized
+            return false
+        }
+        
+        self.textFieldError.isHidden = true
+        return true
+    }
+    
     func updateTextField() {
         self.linkName.stringValue = self.linkName.stringValue
             .replacingOccurrences(of: " ", with: "-")
         
-        buttonCreateLink.isEnabled = !self.linkName.stringValue.isEmpty
+        buttonCreateLink.isEnabled = isValidLinkName(self.linkName.stringValue)
         self.updatePreview()
     }
     
     func updatePreview() {
+        buttonSecure.title = "site_list.add.secure_after_creation"
+            .localized(
+                self.linkName.stringValue,
+                Valet.shared.config.tld
+            )
+        
         previewText.stringValue = "site_list.add.folder_available"
             .localized(
                 self.buttonSecure.state == .on ? "https" : "http",

phpmon/Localizable.strings

@@ -82,6 +82,9 @@
 "site_list.add.cancel" = "Cancel";
 "site_list.add.folder_available" = "This site will be available via the following URL: %@://%@.%@";
 
+"site_list.add.errors.empty" = "You must enter a name.";
+"site_list.add.errors.already_exists" = "A link with that name already exists.";
+
 // SITE LIST ACTIONS
 
 "site_list.unlink" = "Unlink Directory";