[ui-samples] add dropdownList sample

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@29988 71c3de6d-444a-0410-be80-ed276b4c234a

ui-samples-plugin/src/main/java/hudson/plugins/ui_samples/DropdownList.java

@@ -0,0 +1,92 @@
+package hudson.plugins.ui_samples;
+
+import hudson.DescriptorExtensionList;
+import hudson.Extension;
+import hudson.ExtensionPoint;
+import hudson.model.Describable;
+import hudson.model.Descriptor;
+import hudson.model.Hudson;
+import hudson.util.XStream2;
+import java.io.IOException;
+import java.util.List;
+import javax.servlet.ServletException;
+import org.kohsuke.stapler.DataBoundConstructor;
+import org.kohsuke.stapler.StaplerRequest;
+import org.kohsuke.stapler.StaplerResponse;
+
+/**
+ * @author Alan.Harder@oracle.com
+ */
+@Extension
+public class DropdownList extends UISample {
+
+    @Override
+    public String getDescription() {
+        return "Show different form elements based on choice in a <select> control";
+    }
+
+    public Fruit getFruit() {
+        // Could return currently configured/saved item here to initialized form with this data
+        return null;
+    }
+
+    public DescriptorExtensionList<Fruit,Descriptor<Fruit>> getFruitDescriptors() {
+        return Hudson.getInstance().getDescriptorList(Fruit.class);
+    }
+
+    // Process form data and show it as serialized XML
+    public void doSubmit(StaplerRequest req, StaplerResponse rsp) throws ServletException, IOException {
+        // stapler-class in form data tells Stapler which Fruit subclass to use
+        Fruit fruit = req.bindJSON(Fruit.class, req.getSubmittedForm().getJSONObject("fruit"));
+        rsp.setContentType("text/plain");
+        new XStream2().toXML(fruit, rsp.getWriter());
+    }
+
+    @Override
+    public List<SourceFile> getSourceFiles() {
+        List<SourceFile> list = new java.util.ArrayList<SourceFile>(super.getSourceFiles());
+        list.add(new SourceFile("Apple/config.jelly"));
+        list.add(new SourceFile("Banana/config.jelly"));
+        return list;
+    }
+
+    @Extension
+    public static final class DescriptorImpl extends UISampleDescriptor {
+    }
+
+    public static class Fruit implements ExtensionPoint, Describable<Fruit> {
+        protected String name;
+        private Fruit(String name) { this.name = name; }
+
+        public Descriptor<Fruit> getDescriptor() {
+            return Hudson.getInstance().getDescriptor(getClass());
+        }
+    }
+
+    public static class FruitDescriptor extends Descriptor<Fruit> {
+        public FruitDescriptor(Class<? extends Fruit> clazz) {
+            super(clazz);
+        }
+        public String getDisplayName() {
+            return clazz.getSimpleName();
+        }
+    }
+
+    public static class Apple extends Fruit {
+        private int seeds;
+        @DataBoundConstructor public Apple(int seeds) {
+            super("Apple");
+            this.seeds = seeds;
+        }
+        @Extension public static final FruitDescriptor D = new FruitDescriptor(Apple.class);
+    }
+
+    public static class Banana extends Fruit {
+        private boolean yellow;
+        @DataBoundConstructor public Banana(boolean yellow) {
+            super("Banana");
+            this.yellow = yellow;
+        }
+        @Extension public static final FruitDescriptor D = new FruitDescriptor(Banana.class);
+    }
+}

ui-samples-plugin/src/main/java/hudson/plugins/ui_samples/DynamicComboBox.java

@@ -4,9 +4,6 @@ import hudson.Extension;
 import hudson.util.ListBoxModel;
 import org.kohsuke.stapler.QueryParameter;
 
-import java.util.Arrays;
-import java.util.Collection;
-
 import static java.util.Arrays.asList;
 
 /**

ui-samples-plugin/src/main/java/hudson/plugins/ui_samples/UISample.java

@@ -5,6 +5,7 @@ import hudson.ExtensionPoint;
 import hudson.model.Action;
 import hudson.model.Describable;
 import hudson.model.Hudson;
+import org.kohsuke.stapler.StaplerRequest;
 import org.kohsuke.stapler.StaplerResponse;
 
 import java.io.IOException;
@@ -44,11 +45,14 @@ public abstract class UISample implements ExtensionPoint, Action, Describable<UI
     /**
      * Binds {@link SourceFile}s into URL.
      */
-    public SourceFile getSourceFile(String name) {
+    public void doSourceFile(StaplerRequest req, StaplerResponse rsp) throws IOException {
+        String name = req.getRestOfPath().substring(1); // Remove leading /
         for (SourceFile sf : getSourceFiles())
-            if (sf.name.equals(name))
-                return sf;
-        return null;
+            if (sf.name.equals(name)) {
+                sf.doIndex(rsp);
+                return;
+            }
+        rsp.sendError(rsp.SC_NOT_FOUND);
     }
 
     /**