Update actions, Add IFrame

src/main/java/me/mrletsplay/nojs/NoJS.java

@@ -1,12 +1,17 @@
 package me.mrletsplay.nojs;
 
+import java.awt.image.BufferedImage;
+import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 
+import javax.imageio.ImageIO;
+
 import org.slf4j.helpers.NOPLogger;
 
 import me.mrletsplay.nojs._test.DynPage;
 import me.mrletsplay.nojs._test.LinksPage;
+import me.mrletsplay.nojs.page.Page;
 import me.mrletsplay.simplehttpserver.dom.html.HtmlDocument;
 import me.mrletsplay.simplehttpserver.dom.html.HtmlElement;
 import me.mrletsplay.simplehttpserver.dom.html.element.HtmlButton;
@@ -58,8 +63,25 @@ public class NoJS {
 
 //		new TestEndpoint().register(httpServer.getDocumentProvider());
 
-		new DynPage().register(httpServer.getDocumentProvider(), "/dyn");
+		BufferedImage img = new BufferedImage(64, 64, BufferedImage.TYPE_3BYTE_BGR);
-		new LinksPage().register(httpServer.getDocumentProvider(), "/links");
+		ByteArrayOutputStream bOut = new ByteArrayOutputStream();
+		try {
+			ImageIO.write(img, "PNG", bOut);
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+		byte[] bytes = bOut.toByteArray();
+
+		httpServer.getDocumentProvider().register(HttpRequestMethod.GET, "/favicon.ico", () -> {
+			HttpRequestContext ctx = HttpRequestContext.getCurrentContext();
+			ctx.getServerHeader().setContent(MimeType.PNG, bytes);
+		});
+
+		Page.register(
+			httpServer.getDocumentProvider(),
+			new DynPage(),
+			new LinksPage()
+		);
 
 		httpServer.getDocumentProvider().register(HttpRequestMethod.POST, "/", () -> {
 			HttpRequestContext ctx = HttpRequestContext.getCurrentContext();

src/main/java/me/mrletsplay/nojs/_test/DynPage.java

@@ -11,6 +11,7 @@ import me.mrletsplay.nojs.component.impl.Text;
 import me.mrletsplay.nojs.page.Page;
 import me.mrletsplay.nojs.page.layout.GridLayout;
 import me.mrletsplay.nojs.page.layout.InsetLayout;
+import me.mrletsplay.simplehttpserver.http.request.HttpRequestContext;
 
 public class DynPage implements Page {
 
@@ -27,4 +28,15 @@ public class DynPage implements Page {
 			.vAlignment(GridLayout.VAlignment.CENTER));
 	}
 
+	@Override
+	public String getPath() {
+		return "/dyn";
+	}
+
+	@Override
+	public void createContent() {
+		HttpRequestContext.getCurrentContext().getServerHeader().getFields().add("Refresh", "10");
+		Page.super.createContent();
+	}
+
 }

src/main/java/me/mrletsplay/nojs/_test/LinksPage.java

@@ -1,16 +1,19 @@
 package me.mrletsplay.nojs._test;
 
 import java.util.LinkedHashMap;
+import java.util.List;
 import java.util.Map;
 
 import me.mrletsplay.nojs.action.Action;
 import me.mrletsplay.nojs.action.ActionData;
 import me.mrletsplay.nojs.action.ActionEvent;
 import me.mrletsplay.nojs.action.ActionHandler;
+import me.mrletsplay.nojs.action.ActionResult;
 import me.mrletsplay.nojs.component.Component;
 import me.mrletsplay.nojs.component.impl.Button;
 import me.mrletsplay.nojs.component.impl.Form;
 import me.mrletsplay.nojs.component.impl.Group;
+import me.mrletsplay.nojs.component.impl.IFrame;
 import me.mrletsplay.nojs.component.impl.Link;
 import me.mrletsplay.nojs.component.impl.Message;
 import me.mrletsplay.nojs.component.impl.Select;
@@ -19,11 +22,12 @@ import me.mrletsplay.nojs.component.impl.TextInput;
 import me.mrletsplay.nojs.page.Page;
 import me.mrletsplay.nojs.page.layout.GridLayout;
 import me.mrletsplay.nojs.page.layout.HClampLayout;
+import me.mrletsplay.simplehttpserver.http.request.HttpRequestContext;
+import me.mrletsplay.simplehttpserver.http.request.urlencoded.UrlEncoded;
 
 public class LinksPage implements Page {
 
 	private Map<String, String> links = new LinkedHashMap<>();
-	private String error;
 
 	@Override
 	public Component getContent() {
@@ -54,11 +58,11 @@ public class LinksPage implements Page {
 			linksGroup.add(new Text().text("No links added yet"));
 		}
 
-		if(error != null) {
+		UrlEncoded query = HttpRequestContext.getCurrentContext().getRequestedPath().getQuery();
+		if(query.has("error")) {
 			linksGroup.add(new Message()
-				.text(error)
+				.text((String) query.getFirst("error"))
 				.type(Message.Type.ERROR));
-			error = null;
 		}
 
 		return new Group()
@@ -79,19 +83,27 @@ public class LinksPage implements Page {
 					.layout(GridLayout.ofColumns(1).gap("4px"))
 					.action(new Action("addLink"))
 				)
+				.add(new IFrame(new DynPage()).data(new UrlEncoded(Map.of("error", List.of("Sussy baka iframe")))))
 				.layout(GridLayout.ofColumns(1).gap("10px"))
 			)
 			.layout(new HClampLayout("200px", "100%", "800px")
 				.hAlignment(HClampLayout.HAlignment.CENTER));
 	}
 
+	@Override
+	public String getPath() {
+		return "/links";
+	}
+
 	@ActionHandler("addLink")
 	public void addLink(ActionEvent event) {
 		String linkName = event.getData("linkName");
 		String link = event.getData("link");
 		if(link == null || link.isBlank() || (!link.startsWith("http://") && !link.startsWith("https://"))
 			|| linkName == null || linkName.isBlank()) {
-			error = "Invalid link";
+			UrlEncoded data = new UrlEncoded();
+			data.set("error", "Invalid link");
+			event.setResult(ActionResult.refresh(data));
 			return;
 		}
 

src/main/java/me/mrletsplay/nojs/action/ActionEvent.java

@@ -5,9 +5,11 @@ import me.mrletsplay.simplehttpserver.http.request.urlencoded.UrlEncoded;
 public class ActionEvent {
 
 	private UrlEncoded data;
+	private ActionResult result;
 
 	public ActionEvent(UrlEncoded data) {
 		this.data = data;
+		this.result = ActionResult.refresh();
 	}
 
 	public String getAction() {
@@ -18,4 +20,12 @@ public class ActionEvent {
 		return data.getFirst(name);
 	}
 
+	public void setResult(ActionResult result) {
+		this.result = result != null ? result : ActionResult.refresh();
+	}
+
+	public ActionResult getResult() {
+		return result;
+	}
+
 }

src/main/java/me/mrletsplay/nojs/action/ActionResult.java

@@ -0,0 +1,63 @@
+package me.mrletsplay.nojs.action;
+
+import me.mrletsplay.nojs.page.Page;
+import me.mrletsplay.simplehttpserver.http.request.urlencoded.UrlEncoded;
+
+public class ActionResult {
+
+	private static final ActionResult REFRESH = new ActionResult(Type.REFRESH, null, null);
+
+	private Type type;
+	private String url;
+	private UrlEncoded data;
+
+	private ActionResult(Type type, String url, UrlEncoded data) {
+		this.type = type;
+		this.url = url;
+		this.data = data;
+	}
+
+	public Type getType() {
+		return type;
+	}
+
+	public String getUrl() {
+		return url;
+	}
+
+	public UrlEncoded getData() {
+		return data;
+	}
+
+	public static ActionResult refresh(UrlEncoded data) {
+		return new ActionResult(Type.REFRESH, null, data);
+	}
+
+	public static ActionResult refresh() {
+		return REFRESH;
+	}
+
+	public static ActionResult redirectTo(String url, UrlEncoded data) {
+		return new ActionResult(Type.REDIRECT, url, data);
+	}
+
+	public static ActionResult redirectTo(String url) {
+		return redirectTo(url, null);
+	}
+
+	public static ActionResult redirectTo(Page page, UrlEncoded data) {
+		return redirectTo(page.getPath(), data);
+	}
+
+	public static ActionResult redirectTo(Page page) {
+		return redirectTo(page, null);
+	}
+
+	public static enum Type {
+
+		REFRESH,
+		REDIRECT,
+
+	}
+
+}

src/main/java/me/mrletsplay/nojs/component/impl/IFrame.java

@@ -0,0 +1,41 @@
+package me.mrletsplay.nojs.component.impl;
+
+import java.util.Objects;
+
+import me.mrletsplay.nojs.component.Component;
+import me.mrletsplay.nojs.page.Page;
+import me.mrletsplay.simplehttpserver.dom.html.HtmlElement;
+import me.mrletsplay.simplehttpserver.http.request.urlencoded.UrlEncoded;
+
+public class IFrame implements Component {
+
+	private Page page;
+	private UrlEncoded data;
+//	private Duration autoRefresh; TODO: auto refresh
+
+	public IFrame(Page page) {
+		Objects.requireNonNull(page, "page");
+
+		this.page = page;
+	}
+
+	public IFrame data(UrlEncoded data) {
+		this.data = data;
+		return this;
+	}
+
+	@Override
+	public HtmlElement toHtml() {
+		HtmlElement iframe = HtmlElement.of("iframe");
+		iframe.addClass("iframe");
+
+		String path = page.getPath();
+		if(data != null) {
+			path += "?" + data.toString();
+		}
+
+		iframe.setAttribute("src", path);
+		return iframe;
+	}
+
+}

src/main/java/me/mrletsplay/nojs/component/impl/Link.java

@@ -11,7 +11,7 @@ public class Link implements Component {
 
 	public Link() {
 		this.text = "Link";
-		this.href = "#";
+		this.href = "";
 		this.target = Target.SELF;
 	}
 
@@ -21,7 +21,7 @@ public class Link implements Component {
 	}
 
 	public Link href(String href) {
-		this.href = href != null ? href : "#";
+		this.href = href != null ? href : "";
 		return this;
 	}
 

src/main/java/me/mrletsplay/nojs/page/Page.java

@@ -21,6 +21,8 @@ public interface Page extends HttpDocument, ActionHandlers {
 
 	public Component getContent();
 
+	public String getPath();
+
 	public default HtmlDocument toHtml() {
 		HtmlDocument doc = new HtmlDocument();
 		doc.addStyleSheet("/base.css");
@@ -49,16 +51,32 @@ public interface Page extends HttpDocument, ActionHandlers {
 			ActionEvent e = new ActionEvent(data);
 			onAction(e);
 
-			ctx.redirect(HttpStatusCodes.SEE_OTHER_303, ctx.getClientHeader().getPath().toString());
+			String path = ctx.getClientHeader().getPath().getDocumentPath();
+			if(e.getResult().getUrl() != null) {
+				path = e.getResult().getUrl();
+			}
+
+			if(e.getResult().getData() != null) {
+				path += "?" + e.getResult().getData().toString();
+			}
+
+			ctx.redirect(HttpStatusCodes.SEE_OTHER_303, path);
 			return;
 		}
 
 		ctx.respond(HttpStatusCodes.OK_200, new HtmlResponse(toHtml()));
 	}
 
-	public default void register(DocumentProvider provider, String path) {
+	public default void register(DocumentProvider provider) {
+		String path = getPath();
 		provider.register(HttpRequestMethod.GET, path, this);
 		provider.register(HttpRequestMethod.POST, path, this);
 	}
 
+	public static void register(DocumentProvider provider, Page... pages) {
+		for(Page page : pages) {
+			page.register(provider);
+		}
+	}
+
 }

src/main/java/me/mrletsplay/nojs/page/layout/GridLayout.java

@@ -26,21 +26,21 @@ public class GridLayout implements Layout {
 	}
 
 	public GridLayout columns(Collection<String> columns) {
-		this.columns = new ArrayList<>(columns == null ? Collections.emptyList() : columns);
+		this.columns = new ArrayList<>(columns != null ? columns : Collections.emptyList());
 		return this;
 	}
 
 	public GridLayout rows(Collection<String> rows) {
-		this.rows = new ArrayList<>(rows == null ? Collections.emptyList() : rows);
+		this.rows = new ArrayList<>(rows != null ? rows : Collections.emptyList());
 		return this;
 	}
 
 	public GridLayout columns(String... columns) {
-		return columns(columns == null ? null : Arrays.asList(columns));
+		return columns(columns != null ? Arrays.asList(columns) : null);
 	}
 
 	public GridLayout rows(String... rows) {
-		return rows(rows == null ? null : Arrays.asList(rows));
+		return rows(rows != null ? Arrays.asList(rows) : null);
 	}
 
 	public GridLayout gap(String gap) {
@@ -49,7 +49,7 @@ public class GridLayout implements Layout {
 	}
 
 	public GridLayout flow(Flow flow) {
-		this.flow = flow;
+		this.flow = flow != null ? flow : Flow.ROW;
 		return this;
 	}
 

src/main/resources/style/base.css

@@ -131,3 +131,7 @@ body {
 .message:has(:checked) {
 	display: none;
 }
+
+.iframe {
+	border: none;
+}