From 9af503028620fa1d1be8fec65d485b35ec1088b9 Mon Sep 17 00:00:00 2001
From: Matti Tahvonen <matti.tahvonen@itmill.com>
Date: Tue, 5 Jun 2007 12:29:48 +0000
Subject: [PATCH] renamed client

svn changeset:1590/svn branch:trunk
---
 .../toolkit/terminal/gwt/client/Client.java   | 178 ++++++++++++++++++
 1 file changed, 178 insertions(+)
 create mode 100755 src/com/itmill/toolkit/terminal/gwt/client/Client.java

diff --git a/src/com/itmill/toolkit/terminal/gwt/client/Client.java b/src/com/itmill/toolkit/terminal/gwt/client/Client.java
new file mode 100755
index 0000000000..3f5de7f1e2
--- /dev/null
+++ b/src/com/itmill/toolkit/terminal/gwt/client/Client.java
@@ -0,0 +1,178 @@
+package com.itmill.toolkit.terminal.gwt.client;
+
+import java.util.HashMap;
+import java.util.Vector;
+
+import com.google.gwt.core.client.EntryPoint;
+import com.google.gwt.http.client.Request;
+import com.google.gwt.http.client.RequestBuilder;
+import com.google.gwt.http.client.RequestCallback;
+import com.google.gwt.http.client.RequestException;
+import com.google.gwt.http.client.Response;
+import com.google.gwt.http.client.URL;
+import com.google.gwt.user.client.ui.RootPanel;
+import com.google.gwt.xml.client.Document;
+import com.google.gwt.xml.client.Node;
+import com.google.gwt.xml.client.NodeList;
+import com.google.gwt.xml.client.XMLParser;
+import com.itmill.toolkit.terminal.gwt.client.ui.RootWindow;
+
+/**
+ * Entry point classes define <code>onModuleLoad()</code>.
+ */
+public class Client implements EntryPoint {
+
+	private String appUri = "http://localhost:8080/tk/HelloWorld";
+	
+	// TODO remove repaintAll things start to pile up
+	private RequestBuilder rb = new RequestBuilder(RequestBuilder.POST, appUri + "/UIDL/?repaintAll=1&");
+	
+	private Console console;
+
+	private RootWindow rw;
+	
+	private Vector pendingVariables = new Vector();
+	
+	private HashMap components = new HashMap();
+	
+	private int requestCount = 0;
+
+	private LegacyClientWrapper lClient;
+
+	/**
+	 * This is the entry point method.
+	 */
+	public void onModuleLoad() {
+		
+		console = new Console(RootPanel.get("itmtk-loki"));
+		
+		console.log("muutos");
+
+		console.log("Starting app");
+		
+		console.log("Makin fake UIDL Request to fool servlet of an app init");
+		RequestBuilder rb2 = new RequestBuilder(RequestBuilder.GET, appUri);
+		try {
+			rb2.sendRequest("", new RequestCallback() {
+			
+				public void onResponseReceived(Request request, Response response) {
+					console.log("Got fake response... sending initial UIDL request");
+					makeUidlRequest("repaintAll=1");
+				}
+			
+				public void onError(Request request, Throwable exception) {
+					// TODO Auto-generated method stub
+			
+				}
+			
+			});
+		} catch (RequestException e1) {
+			// TODO Auto-generated catch block
+			e1.printStackTrace();
+		}
+		
+	}
+
+	private void makeUidlRequest(String requestData) {
+		console.log("Making UIDL Request");
+		rb = new RequestBuilder(RequestBuilder.GET, appUri + "/UIDL/?requestId=" + (++requestCount) + "&" + requestData);
+		try {
+			rb.sendRequest(requestData, new RequestCallback() {
+				public void onError(Request request, Throwable exception) {
+					console.error("Got error");
+				}
+				public void onResponseReceived(Request request, Response response) {
+					console.log("Got response:");
+					Document doc = XMLParser.parse(response.getText());
+					console.log(doc.toString());
+					handleUIDL(doc);
+				}
+			});
+			console.log("Request sent");
+			
+		} catch (RequestException e) {
+			console.error(e.getMessage());
+		}
+	}
+	
+	private void handleUIDL(Document doc) {
+		NodeList changes = doc.getElementsByTagName("change");
+		
+		for(int i = 0; i < changes.getLength(); i++) {
+			applyChange(changes.item(i).getFirstChild());
+		}
+	}
+	
+	private void applyChange(Node n) {
+		if(n.getNodeName().equals("window")) {
+			console.log("Rendering main window");
+			rw = new RootWindow(n, this);
+			rw.setClient(this);
+		} else {
+			int pid = Component.getIdFromUidl(n);
+			console.log("Updating node: " + n.getNodeName() + ", PID:"+pid);
+			Component c = getPaintable(pid);
+			c.updateFromUidl(n);
+		}
+	}
+
+	/**
+	 * Queues a changed variable to be sent to server
+	 * 
+	 * @param variable
+	 */
+	public void updateVariable(Variable variable) {
+		// remove variable first so we will maintain the correct order (in case of "double change")
+		pendingVariables.remove(variable);
+		pendingVariables.add(variable);
+	}
+
+	/**
+	 * Sends queued variables to server
+	 *
+	 */
+	public void flushVariables() {
+
+	    StringBuffer sb = new StringBuffer();
+
+		int i = 0;
+	    while (!pendingVariables.isEmpty()) {
+			Variable v = (Variable) pendingVariables.lastElement();
+			pendingVariables.removeElement(v);
+
+			if (i > 0) {
+				sb.append("&");
+			}
+			// encode the characters in the name
+			String encodedName = URL.encodeComponent(v.getId());
+			sb.append(encodedName);
+			sb.append("=");
+	    
+			// encode the characters in the value
+			String encodedValue = URL.encodeComponent(v.getEncodedValue());
+			sb.append(encodedValue);
+	    }
+	    
+	    String buf = sb.toString();
+		
+		console.log("Making following request to server:");
+		console.log(buf);
+		
+		makeUidlRequest(buf);
+	}
+
+	public void registerComponent(Component component) {
+		components.put(""+component.getId(), component );
+	}
+	
+	public Component getPaintable(int pid) {
+		return (Component) components.get(""+pid);
+	}
+	
+	public LegacyClientWrapper getLegacyClient() {
+		if(lClient == null)
+			lClient = new LegacyClientWrapper();
+		return lClient;
+	}
+}
+
-- 
2.39.5