# HG changeset patch
# User Jaroslav Tulach <jaroslav.tulach@apidesign.org>
# Date 1358780665 -3600
# Node ID b26510e3e1054e63eb31e03f0115309d26dea4f9
# Parent  aaf86ae88f4646f850e49ac744ee9483d05fcfd3
Moving into demo package

diff -r aaf86ae88f46 -r b26510e3e105 javaquery/demo-calculator/pom.xml
--- a/javaquery/demo-calculator/pom.xml	Mon Jan 21 15:57:30 2013 +0100
+++ b/javaquery/demo-calculator/pom.xml	Mon Jan 21 16:04:25 2013 +0100
@@ -42,7 +42,7 @@
                 <configuration>
                     <executable>xdg-open</executable>
                     <arguments>
-                        <argument>${project.build.directory}/classes/org/apidesign/bck2brwsr/mavenhtml/Calculator.xhtml</argument>
+                        <argument>${project.build.directory}/classes/org/apidesign/bck2brwsr/demo/calc/staticcompilation/Calculator.xhtml</argument>
                     </arguments>
                 </configuration>
             </plugin>
diff -r aaf86ae88f46 -r b26510e3e105 javaquery/demo-calculator/src/main/java/org/apidesign/bck2brwsr/demo/calc/staticcompilation/Calc.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javaquery/demo-calculator/src/main/java/org/apidesign/bck2brwsr/demo/calc/staticcompilation/Calc.java	Mon Jan 21 16:04:25 2013 +0100
@@ -0,0 +1,112 @@
+/**
+ * Back 2 Browser Bytecode Translator
+ * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. Look for COPYING file in the top folder.
+ * If not, see http://opensource.org/licenses/GPL-2.0.
+ */
+package org.apidesign.bck2brwsr.demo.calc.staticcompilation;
+
+import org.apidesign.bck2brwsr.htmlpage.api.ComputedProperty;
+import org.apidesign.bck2brwsr.htmlpage.api.On;
+import static org.apidesign.bck2brwsr.htmlpage.api.OnEvent.*;
+import org.apidesign.bck2brwsr.htmlpage.api.Page;
+import org.apidesign.bck2brwsr.htmlpage.api.Property;
+
+/** HTML5 & Java demo showing the power of 
+ * <a href="http://wiki.apidesign.org/wiki/AnnotationProcessor">annotation processors</a>
+ * as well as other goodies.
+ * 
+ * @author Jaroslav Tulach <jaroslav.tulach@apidesign.org>
+ */
+@Page(xhtml="Calculator.xhtml", properties = {
+    @Property(name = "memory", type = double.class),
+    @Property(name = "display", type = double.class),
+    @Property(name = "operation", type = String.class),
+    @Property(name = "hover", type = boolean.class)
+})
+public class Calc {
+    static {
+        new Calculator().applyBindings();
+    }
+    
+    @On(event = CLICK, id="clear")
+    static void clear(Calculator c) {
+        c.setMemory(0);
+        c.setOperation(null);
+        c.setDisplay(0);
+    }
+    
+    @On(event = CLICK, id= { "plus", "minus", "mul", "div" })
+    static void applyOp(Calculator c, String op) {
+        c.setMemory(c.getDisplay());
+        c.setOperation(op);
+        c.setDisplay(0);
+    }
+
+    @On(event = MOUSE_OVER, id= { "result" })
+    static void attemptingIn(Calculator c, String op) {
+        c.setHover(true);
+    }
+    @On(event = MOUSE_OUT, id= { "result" })
+    static void attemptingOut(Calculator c, String op) {
+        c.setHover(false);
+    }
+    
+    @On(event = CLICK, id="result")
+    static void computeTheValue(Calculator c) {
+        c.setDisplay(compute(
+            c.getOperation(), 
+            c.getMemory(), 
+            c.getDisplay()
+        ));
+        c.setMemory(0);
+    }
+    
+    private static double compute(String op, double memory, double display) {
+        switch (op) {
+            case "plus": return memory + display;
+            case "minus": return memory - display;
+            case "mul": return memory * display;
+            case "div": return memory / display;
+            default: throw new IllegalStateException(op);
+        }
+    }
+    
+    @On(event = CLICK, id={"n0", "n1", "n2", "n3", "n4", "n5", "n6", "n7", "n8", "n9"}) 
+    static void addDigit(String digit, Calculator c) {
+        digit = digit.substring(1);
+        
+        double v = c.getDisplay();
+        if (v == 0.0) {
+            c.setDisplay(Integer.parseInt(digit));
+        } else {
+            String txt = Double.toString(v);
+            if (txt.endsWith(".0")) {
+                txt = txt.substring(0, txt.length() - 2);
+            }
+            txt = txt + digit;
+            c.setDisplay(Double.parseDouble(txt));
+        }
+    }
+
+    @ComputedProperty
+    public static String displayPreview(
+        double display, boolean hover, double memory, String operation
+    ) {
+        if (!hover) {
+            return "Type numbers and perform simple operations! Press '=' to get result.";
+        }
+        return "Attempt to compute " + memory + " " + operation + " " + display + " = " + compute(operation, memory, display);
+    }
+}
diff -r aaf86ae88f46 -r b26510e3e105 javaquery/demo-calculator/src/main/java/org/apidesign/bck2brwsr/mavenhtml/App.java
--- a/javaquery/demo-calculator/src/main/java/org/apidesign/bck2brwsr/mavenhtml/App.java	Mon Jan 21 15:57:30 2013 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,112 +0,0 @@
-/**
- * Back 2 Browser Bytecode Translator
- * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. Look for COPYING file in the top folder.
- * If not, see http://opensource.org/licenses/GPL-2.0.
- */
-package org.apidesign.bck2brwsr.mavenhtml;
-
-import org.apidesign.bck2brwsr.htmlpage.api.ComputedProperty;
-import org.apidesign.bck2brwsr.htmlpage.api.On;
-import static org.apidesign.bck2brwsr.htmlpage.api.OnEvent.*;
-import org.apidesign.bck2brwsr.htmlpage.api.Page;
-import org.apidesign.bck2brwsr.htmlpage.api.Property;
-
-/** HTML5 & Java demo showing the power of 
- * <a href="http://wiki.apidesign.org/wiki/AnnotationProcessor">annotation processors</a>
- * as well as other goodies.
- * 
- * @author Jaroslav Tulach <jaroslav.tulach@apidesign.org>
- */
-@Page(xhtml="Calculator.xhtml", properties = {
-    @Property(name = "memory", type = double.class),
-    @Property(name = "display", type = double.class),
-    @Property(name = "operation", type = String.class),
-    @Property(name = "hover", type = boolean.class)
-})
-public class App {
-    static {
-        new Calculator().applyBindings();
-    }
-    
-    @On(event = CLICK, id="clear")
-    static void clear(Calculator c) {
-        c.setMemory(0);
-        c.setOperation(null);
-        c.setDisplay(0);
-    }
-    
-    @On(event = CLICK, id= { "plus", "minus", "mul", "div" })
-    static void applyOp(Calculator c, String op) {
-        c.setMemory(c.getDisplay());
-        c.setOperation(op);
-        c.setDisplay(0);
-    }
-
-    @On(event = MOUSE_OVER, id= { "result" })
-    static void attemptingIn(Calculator c, String op) {
-        c.setHover(true);
-    }
-    @On(event = MOUSE_OUT, id= { "result" })
-    static void attemptingOut(Calculator c, String op) {
-        c.setHover(false);
-    }
-    
-    @On(event = CLICK, id="result")
-    static void computeTheValue(Calculator c) {
-        c.setDisplay(compute(
-            c.getOperation(), 
-            c.getMemory(), 
-            c.getDisplay()
-        ));
-        c.setMemory(0);
-    }
-    
-    private static double compute(String op, double memory, double display) {
-        switch (op) {
-            case "plus": return memory + display;
-            case "minus": return memory - display;
-            case "mul": return memory * display;
-            case "div": return memory / display;
-            default: throw new IllegalStateException(op);
-        }
-    }
-    
-    @On(event = CLICK, id={"n0", "n1", "n2", "n3", "n4", "n5", "n6", "n7", "n8", "n9"}) 
-    static void addDigit(String digit, Calculator c) {
-        digit = digit.substring(1);
-        
-        double v = c.getDisplay();
-        if (v == 0.0) {
-            c.setDisplay(Integer.parseInt(digit));
-        } else {
-            String txt = Double.toString(v);
-            if (txt.endsWith(".0")) {
-                txt = txt.substring(0, txt.length() - 2);
-            }
-            txt = txt + digit;
-            c.setDisplay(Double.parseDouble(txt));
-        }
-    }
-
-    @ComputedProperty
-    public static String displayPreview(
-        double display, boolean hover, double memory, String operation
-    ) {
-        if (!hover) {
-            return "Type numbers and perform simple operations! Press '=' to get result.";
-        }
-        return "Attempt to compute " + memory + " " + operation + " " + display + " = " + compute(operation, memory, display);
-    }
-}
diff -r aaf86ae88f46 -r b26510e3e105 javaquery/demo-calculator/src/main/resources/org/apidesign/bck2brwsr/demo/calc/staticcompilation/Calculator.xhtml
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javaquery/demo-calculator/src/main/resources/org/apidesign/bck2brwsr/demo/calc/staticcompilation/Calculator.xhtml	Mon Jan 21 16:04:25 2013 +0100
@@ -0,0 +1,156 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+
+    Back 2 Browser Bytecode Translator
+    Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, version 2 of the License.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program. Look for COPYING file in the top folder.
+    If not, see http://opensource.org/licenses/GPL-2.0.
+
+-->
+<!DOCTYPE html>
+<html xmlns="http://www.w3.org/1999/xhtml">
+    <head>
+        <title>Simple Calculator in HTML5 and Java</title>
+
+        <style type="text/css">
+        body {color: #ffffff; background-color: #121e31; font-family: Monospaced}
+        pre {color: #ffffff; background-color: #121e31; font-family: Monospaced}
+        table {color: #ffffff; background-color: #121e31; font-family: Monospaced}
+        .string {color: #e2ce00}
+        a {color: #e2ce00}
+        .ST1 {color: #0000cc; font-family: Monospaced; font-weight: bold}
+        .ST0 {color: #0000ff}
+        .comment {color: #428bdd}
+        .keyword-directive {color: #f8bb00}
+        .tag {color: #f8bb00}
+        .ST0 {color: #628fb5; background-color: #1b3450}
+        .sgml-comment {color: #808080}
+        .value {color: #99006b}
+        .argument {color: #007c00}
+        .sgml-declaration {color: #bf9221}
+        </style>    
+        </head>
+    <body>
+        <h1>Java and HTML5 - Together at Last!</h1>
+        <table border="0" cellspacing="2">
+            <tbody>
+                <tr>
+                    <td colspan="4"><input data-bind="value: display" value="0" 
+                            style="text-align: right"/>
+                </td>
+                </tr>
+                <tr>
+                    <td><button id="n1">1</button></td>
+                    <td><button id="n2">2</button></td>
+                    <td><button id="n3">3</button></td>
+                    <td><button id="plus">+</button></td>
+                </tr>
+                <tr>
+                    <td><button id="n4">4</button></td>
+                    <td><button id="n5">5</button></td>
+                    <td><button id="n6">6</button></td>
+                    <td><button id="minus">-</button></td>
+                </tr>
+                <tr>
+                    <td><button id="n7">7</button></td>
+                    <td><button id="n8">8</button></td>
+                    <td><button id="n9">9</button></td>
+                    <td><button id="mul">*</button></td>
+                </tr>
+                <tr>
+                    <td><button id="clear">C</button></td>
+                    <td><button id="n0">0</button></td>
+                    <td><button id="result">=</button></td>
+                    <td><button id="div">/</button></td>
+                </tr>
+            </tbody>
+        </table>
+        <p>
+            <div data-bind="text: displayPreview"></div>
+        </p>
+        <script src="bootjava.js"/>
+        
+        <hr/>
+    <pre>
+    <span class="keyword-directive">package</span> org.apidesign.bck2brwsr.mavenhtml;
+
+    <span class="keyword-directive">import</span> org.apidesign.bck2brwsr.htmlpage.api.OnClick;
+    <span class="keyword-directive">import</span> org.apidesign.bck2brwsr.htmlpage.api.Page;
+
+    <span class="comment">/**</span> <span class="comment">HTML5</span><span class="comment"> &amp; </span><span class="comment">Java</span> <span class="comment">demo</span> <span class="comment">showing</span> <span class="comment">the</span> <span class="comment">power</span> <span class="comment">of</span> <a href="http://wiki.apidesign.org/wiki/AnnotationProcessor">annotation processors</a>
+    <span class="comment"> * </span><span class="comment">as</span> <span class="comment">well</span> <span class="comment">as</span> <span class="comment">other</span> <span class="comment">goodies</span><span class="comment">, including type-safe association between</span>
+    <span class="comment"> * </span><span class="comment">an XHTML page and Java.</span>
+    <span class="comment"> * </span>
+    <span class="comment"> * </span><span class="ST1">@author</span> <span class="comment">Jaroslav</span> <span class="comment">Tulach</span> <span class="ST0">&lt;jaroslav.tulach@apidesign.org&gt;</span>
+     <span class="comment">*/</span>
+    @Page(xhtml=<span class="string">&quot;</span><span class="string">Calculator.xhtml</span><span class="string">&quot;</span>)
+    <span class="keyword-directive">public</span> <span class="keyword-directive">class</span> App {
+        <span class="keyword-directive">private</span> <span class="keyword-directive">static</span> <span class="keyword-directive">double</span> memory;
+        <span class="keyword-directive">private</span> <span class="keyword-directive">static</span> String operation;
+
+        @OnClick(id=<span class="string">&quot;</span><span class="string">clear</span><span class="string">&quot;</span>)
+        <span class="keyword-directive">static</span> <span class="keyword-directive">void</span> clear() {
+            memory = <span class="number">0</span>;
+            operation = <span class="keyword-directive">null</span>;
+            Calculator.DISPLAY.setValue(<span class="string">&quot;</span><span class="string">0</span><span class="string">&quot;</span>);
+        }
+
+        @OnClick(id= { <span class="string">&quot;</span><span class="string">plus</span><span class="string">&quot;</span>, <span class="string">&quot;</span><span class="string">minus</span><span class="string">&quot;</span>, <span class="string">&quot;</span><span class="string">mul</span><span class="string">&quot;</span>, <span class="string">&quot;</span><span class="string">div</span><span class="string">&quot;</span> })
+        <span class="keyword-directive">static</span> <span class="keyword-directive">void</span> applyOp(String op) {
+            memory = getValue();
+            operation = op;
+            Calculator.DISPLAY.setValue(<span class="string">&quot;</span><span class="string">0</span><span class="string">&quot;</span>);
+        }
+
+        @OnClick(id=<span class="string">&quot;</span><span class="string">result</span><span class="string">&quot;</span>)
+        <span class="keyword-directive">static</span> <span class="keyword-directive">void</span> computeTheValue() {
+            <span class="keyword-directive">switch</span> (operation) {
+                <span class="keyword-directive">case</span> <span class="string">&quot;</span><span class="string">plus</span><span class="string">&quot;</span>: setValue(memory + getValue()); <span class="keyword-directive">break</span>;
+                <span class="keyword-directive">case</span> <span class="string">&quot;</span><span class="string">minus</span><span class="string">&quot;</span>: setValue(memory - getValue()); <span class="keyword-directive">break</span>;
+                <span class="keyword-directive">case</span> <span class="string">&quot;</span><span class="string">mul</span><span class="string">&quot;</span>: setValue(memory * getValue()); <span class="keyword-directive">break</span>;
+                <span class="keyword-directive">case</span> <span class="string">&quot;</span><span class="string">div</span><span class="string">&quot;</span>: setValue(memory / getValue()); <span class="keyword-directive">break</span>;
+                <span class="keyword-directive">default</span>: <span class="keyword-directive">throw</span> <span class="keyword-directive">new</span> IllegalStateException(operation);
+            }
+        }
+
+        @OnClick(id={<span class="string">&quot;</span><span class="string">n0</span><span class="string">&quot;</span>, <span class="string">&quot;</span><span class="string">n1</span><span class="string">&quot;</span>, <span class="string">&quot;</span><span class="string">n2</span><span class="string">&quot;</span>, <span class="string">&quot;</span><span class="string">n3</span><span class="string">&quot;</span>, <span class="string">&quot;</span><span class="string">n4</span><span class="string">&quot;</span>, <span class="string">&quot;</span><span class="string">n5</span><span class="string">&quot;</span>, <span class="string">&quot;</span><span class="string">n6</span><span class="string">&quot;</span>, <span class="string">&quot;</span><span class="string">n7</span><span class="string">&quot;</span>, <span class="string">&quot;</span><span class="string">n8</span><span class="string">&quot;</span>, <span class="string">&quot;</span><span class="string">n9</span><span class="string">&quot;</span>}) 
+        <span class="keyword-directive">static</span> <span class="keyword-directive">void</span> addDigit(String digit) {
+            digit = digit.substring(<span class="number">1</span>);
+            String v = Calculator.DISPLAY.getValue();
+            <span class="keyword-directive">if</span> (getValue() == <span class="number">0.0</span>) {
+                Calculator.DISPLAY.setValue(digit);
+            } <span class="keyword-directive">else</span> {
+                Calculator.DISPLAY.setValue(v + digit);
+            }
+        }
+
+        <span class="keyword-directive">private</span> <span class="keyword-directive">static</span> <span class="keyword-directive">void</span> setValue(<span class="keyword-directive">double</span> v) {
+            StringBuilder sb = <span class="keyword-directive">new</span> StringBuilder();
+            sb.append(v);
+            Calculator.DISPLAY.setValue(sb.toString());
+        }
+
+        <span class="keyword-directive">private</span> <span class="keyword-directive">static</span> <span class="keyword-directive">double</span> getValue() {
+            <span class="keyword-directive">try</span> {
+                <span class="keyword-directive">return</span> Double.parseDouble(Calculator.DISPLAY.getValue());
+            } <span class="keyword-directive">catch</span> (NumberFormatException ex) {
+                Calculator.DISPLAY.setValue(<span class="string">&quot;</span><span class="string">err</span><span class="string">&quot;</span>);
+                <span class="keyword-directive">return</span> <span class="number">0.0</span>;
+            }
+        }
+    }
+
+    </pre>
+    </body>
+</html>
diff -r aaf86ae88f46 -r b26510e3e105 javaquery/demo-calculator/src/main/resources/org/apidesign/bck2brwsr/mavenhtml/Calculator.xhtml
--- a/javaquery/demo-calculator/src/main/resources/org/apidesign/bck2brwsr/mavenhtml/Calculator.xhtml	Mon Jan 21 15:57:30 2013 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,156 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-
-    Back 2 Browser Bytecode Translator
-    Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
-
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, version 2 of the License.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program. Look for COPYING file in the top folder.
-    If not, see http://opensource.org/licenses/GPL-2.0.
-
--->
-<!DOCTYPE html>
-<html xmlns="http://www.w3.org/1999/xhtml">
-    <head>
-        <title>Simple Calculator in HTML5 and Java</title>
-
-        <style type="text/css">
-        body {color: #ffffff; background-color: #121e31; font-family: Monospaced}
-        pre {color: #ffffff; background-color: #121e31; font-family: Monospaced}
-        table {color: #ffffff; background-color: #121e31; font-family: Monospaced}
-        .string {color: #e2ce00}
-        a {color: #e2ce00}
-        .ST1 {color: #0000cc; font-family: Monospaced; font-weight: bold}
-        .ST0 {color: #0000ff}
-        .comment {color: #428bdd}
-        .keyword-directive {color: #f8bb00}
-        .tag {color: #f8bb00}
-        .ST0 {color: #628fb5; background-color: #1b3450}
-        .sgml-comment {color: #808080}
-        .value {color: #99006b}
-        .argument {color: #007c00}
-        .sgml-declaration {color: #bf9221}
-        </style>    
-        </head>
-    <body>
-        <h1>Java and HTML5 - Together at Last!</h1>
-        <table border="0" cellspacing="2">
-            <tbody>
-                <tr>
-                    <td colspan="4"><input data-bind="value: display" value="0" 
-                            style="text-align: right"/>
-                </td>
-                </tr>
-                <tr>
-                    <td><button id="n1">1</button></td>
-                    <td><button id="n2">2</button></td>
-                    <td><button id="n3">3</button></td>
-                    <td><button id="plus">+</button></td>
-                </tr>
-                <tr>
-                    <td><button id="n4">4</button></td>
-                    <td><button id="n5">5</button></td>
-                    <td><button id="n6">6</button></td>
-                    <td><button id="minus">-</button></td>
-                </tr>
-                <tr>
-                    <td><button id="n7">7</button></td>
-                    <td><button id="n8">8</button></td>
-                    <td><button id="n9">9</button></td>
-                    <td><button id="mul">*</button></td>
-                </tr>
-                <tr>
-                    <td><button id="clear">C</button></td>
-                    <td><button id="n0">0</button></td>
-                    <td><button id="result">=</button></td>
-                    <td><button id="div">/</button></td>
-                </tr>
-            </tbody>
-        </table>
-        <p>
-            <div data-bind="text: displayPreview"></div>
-        </p>
-        <script src="bootjava.js"/>
-        
-        <hr/>
-    <pre>
-    <span class="keyword-directive">package</span> org.apidesign.bck2brwsr.mavenhtml;
-
-    <span class="keyword-directive">import</span> org.apidesign.bck2brwsr.htmlpage.api.OnClick;
-    <span class="keyword-directive">import</span> org.apidesign.bck2brwsr.htmlpage.api.Page;
-
-    <span class="comment">/**</span> <span class="comment">HTML5</span><span class="comment"> &amp; </span><span class="comment">Java</span> <span class="comment">demo</span> <span class="comment">showing</span> <span class="comment">the</span> <span class="comment">power</span> <span class="comment">of</span> <a href="http://wiki.apidesign.org/wiki/AnnotationProcessor">annotation processors</a>
-    <span class="comment"> * </span><span class="comment">as</span> <span class="comment">well</span> <span class="comment">as</span> <span class="comment">other</span> <span class="comment">goodies</span><span class="comment">, including type-safe association between</span>
-    <span class="comment"> * </span><span class="comment">an XHTML page and Java.</span>
-    <span class="comment"> * </span>
-    <span class="comment"> * </span><span class="ST1">@author</span> <span class="comment">Jaroslav</span> <span class="comment">Tulach</span> <span class="ST0">&lt;jaroslav.tulach@apidesign.org&gt;</span>
-     <span class="comment">*/</span>
-    @Page(xhtml=<span class="string">&quot;</span><span class="string">Calculator.xhtml</span><span class="string">&quot;</span>)
-    <span class="keyword-directive">public</span> <span class="keyword-directive">class</span> App {
-        <span class="keyword-directive">private</span> <span class="keyword-directive">static</span> <span class="keyword-directive">double</span> memory;
-        <span class="keyword-directive">private</span> <span class="keyword-directive">static</span> String operation;
-
-        @OnClick(id=<span class="string">&quot;</span><span class="string">clear</span><span class="string">&quot;</span>)
-        <span class="keyword-directive">static</span> <span class="keyword-directive">void</span> clear() {
-            memory = <span class="number">0</span>;
-            operation = <span class="keyword-directive">null</span>;
-            Calculator.DISPLAY.setValue(<span class="string">&quot;</span><span class="string">0</span><span class="string">&quot;</span>);
-        }
-
-        @OnClick(id= { <span class="string">&quot;</span><span class="string">plus</span><span class="string">&quot;</span>, <span class="string">&quot;</span><span class="string">minus</span><span class="string">&quot;</span>, <span class="string">&quot;</span><span class="string">mul</span><span class="string">&quot;</span>, <span class="string">&quot;</span><span class="string">div</span><span class="string">&quot;</span> })
-        <span class="keyword-directive">static</span> <span class="keyword-directive">void</span> applyOp(String op) {
-            memory = getValue();
-            operation = op;
-            Calculator.DISPLAY.setValue(<span class="string">&quot;</span><span class="string">0</span><span class="string">&quot;</span>);
-        }
-
-        @OnClick(id=<span class="string">&quot;</span><span class="string">result</span><span class="string">&quot;</span>)
-        <span class="keyword-directive">static</span> <span class="keyword-directive">void</span> computeTheValue() {
-            <span class="keyword-directive">switch</span> (operation) {
-                <span class="keyword-directive">case</span> <span class="string">&quot;</span><span class="string">plus</span><span class="string">&quot;</span>: setValue(memory + getValue()); <span class="keyword-directive">break</span>;
-                <span class="keyword-directive">case</span> <span class="string">&quot;</span><span class="string">minus</span><span class="string">&quot;</span>: setValue(memory - getValue()); <span class="keyword-directive">break</span>;
-                <span class="keyword-directive">case</span> <span class="string">&quot;</span><span class="string">mul</span><span class="string">&quot;</span>: setValue(memory * getValue()); <span class="keyword-directive">break</span>;
-                <span class="keyword-directive">case</span> <span class="string">&quot;</span><span class="string">div</span><span class="string">&quot;</span>: setValue(memory / getValue()); <span class="keyword-directive">break</span>;
-                <span class="keyword-directive">default</span>: <span class="keyword-directive">throw</span> <span class="keyword-directive">new</span> IllegalStateException(operation);
-            }
-        }
-
-        @OnClick(id={<span class="string">&quot;</span><span class="string">n0</span><span class="string">&quot;</span>, <span class="string">&quot;</span><span class="string">n1</span><span class="string">&quot;</span>, <span class="string">&quot;</span><span class="string">n2</span><span class="string">&quot;</span>, <span class="string">&quot;</span><span class="string">n3</span><span class="string">&quot;</span>, <span class="string">&quot;</span><span class="string">n4</span><span class="string">&quot;</span>, <span class="string">&quot;</span><span class="string">n5</span><span class="string">&quot;</span>, <span class="string">&quot;</span><span class="string">n6</span><span class="string">&quot;</span>, <span class="string">&quot;</span><span class="string">n7</span><span class="string">&quot;</span>, <span class="string">&quot;</span><span class="string">n8</span><span class="string">&quot;</span>, <span class="string">&quot;</span><span class="string">n9</span><span class="string">&quot;</span>}) 
-        <span class="keyword-directive">static</span> <span class="keyword-directive">void</span> addDigit(String digit) {
-            digit = digit.substring(<span class="number">1</span>);
-            String v = Calculator.DISPLAY.getValue();
-            <span class="keyword-directive">if</span> (getValue() == <span class="number">0.0</span>) {
-                Calculator.DISPLAY.setValue(digit);
-            } <span class="keyword-directive">else</span> {
-                Calculator.DISPLAY.setValue(v + digit);
-            }
-        }
-
-        <span class="keyword-directive">private</span> <span class="keyword-directive">static</span> <span class="keyword-directive">void</span> setValue(<span class="keyword-directive">double</span> v) {
-            StringBuilder sb = <span class="keyword-directive">new</span> StringBuilder();
-            sb.append(v);
-            Calculator.DISPLAY.setValue(sb.toString());
-        }
-
-        <span class="keyword-directive">private</span> <span class="keyword-directive">static</span> <span class="keyword-directive">double</span> getValue() {
-            <span class="keyword-directive">try</span> {
-                <span class="keyword-directive">return</span> Double.parseDouble(Calculator.DISPLAY.getValue());
-            } <span class="keyword-directive">catch</span> (NumberFormatException ex) {
-                Calculator.DISPLAY.setValue(<span class="string">&quot;</span><span class="string">err</span><span class="string">&quot;</span>);
-                <span class="keyword-directive">return</span> <span class="number">0.0</span>;
-            }
-        }
-    }
-
-    </pre>
-    </body>
-</html>