javaquery/demo-static-calculator/src/main/resources/org/apidesign/bck2brwsr/mavenhtml/Calculator.xhtml
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/javaquery/demo-static-calculator/src/main/resources/org/apidesign/bck2brwsr/mavenhtml/Calculator.xhtml Mon Dec 24 07:51:15 2012 +0100
1.3 @@ -0,0 +1,154 @@
1.4 +<?xml version="1.0" encoding="UTF-8"?>
1.5 +<!--
1.6 +
1.7 + Back 2 Browser Bytecode Translator
1.8 + Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
1.9 +
1.10 + This program is free software: you can redistribute it and/or modify
1.11 + it under the terms of the GNU General Public License as published by
1.12 + the Free Software Foundation, version 2 of the License.
1.13 +
1.14 + This program is distributed in the hope that it will be useful,
1.15 + but WITHOUT ANY WARRANTY; without even the implied warranty of
1.16 + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1.17 + GNU General Public License for more details.
1.18 +
1.19 + You should have received a copy of the GNU General Public License
1.20 + along with this program. Look for COPYING file in the top folder.
1.21 + If not, see http://opensource.org/licenses/GPL-2.0.
1.22 +
1.23 +-->
1.24 +<!DOCTYPE html>
1.25 +<html xmlns="http://www.w3.org/1999/xhtml">
1.26 + <head>
1.27 + <title>Simple Calculator in HTML5 and Java</title>
1.28 +
1.29 + <style type="text/css">
1.30 + body {color: #ffffff; background-color: #121e31; font-family: Monospaced}
1.31 + pre {color: #ffffff; background-color: #121e31; font-family: Monospaced}
1.32 + table {color: #ffffff; background-color: #121e31; font-family: Monospaced}
1.33 + .string {color: #e2ce00}
1.34 + a {color: #e2ce00}
1.35 + .ST1 {color: #0000cc; font-family: Monospaced; font-weight: bold}
1.36 + .ST0 {color: #0000ff}
1.37 + .comment {color: #428bdd}
1.38 + .keyword-directive {color: #f8bb00}
1.39 + .tag {color: #f8bb00}
1.40 + .ST0 {color: #628fb5; background-color: #1b3450}
1.41 + .sgml-comment {color: #808080}
1.42 + .value {color: #99006b}
1.43 + .argument {color: #007c00}
1.44 + .sgml-declaration {color: #bf9221}
1.45 + </style>
1.46 + </head>
1.47 + <body>
1.48 + <h1>Java and HTML5 - Together at Last!</h1>
1.49 + <table border="0" cellspacing="2">
1.50 + <tbody>
1.51 + <tr>
1.52 + <td colspan="4"><input id="display" value="0"
1.53 + style="text-align: right"/>
1.54 + </td>
1.55 + </tr>
1.56 + <tr>
1.57 + <td><button id="n1">1</button></td>
1.58 + <td><button id="n2">2</button></td>
1.59 + <td><button id="n3">3</button></td>
1.60 + <td><button id="plus">+</button></td>
1.61 + </tr>
1.62 + <tr>
1.63 + <td><button id="n4">4</button></td>
1.64 + <td><button id="n5">5</button></td>
1.65 + <td><button id="n6">6</button></td>
1.66 + <td><button id="minus">-</button></td>
1.67 + </tr>
1.68 + <tr>
1.69 + <td><button id="n7">7</button></td>
1.70 + <td><button id="n8">8</button></td>
1.71 + <td><button id="n9">9</button></td>
1.72 + <td><button id="mul">*</button></td>
1.73 + </tr>
1.74 + <tr>
1.75 + <td><button id="clear">C</button></td>
1.76 + <td><button id="n0">0</button></td>
1.77 + <td><button id="result">=</button></td>
1.78 + <td><button id="div">/</button></td>
1.79 + </tr>
1.80 + </tbody>
1.81 + </table>
1.82 +
1.83 + <script src="bootjava.js"/>
1.84 +
1.85 + <hr/>
1.86 + <pre>
1.87 + <span class="keyword-directive">package</span> org.apidesign.bck2brwsr.mavenhtml;
1.88 +
1.89 + <span class="keyword-directive">import</span> org.apidesign.bck2brwsr.htmlpage.api.OnClick;
1.90 + <span class="keyword-directive">import</span> org.apidesign.bck2brwsr.htmlpage.api.Page;
1.91 +
1.92 + <span class="comment">/**</span> <span class="comment">HTML5</span><span class="comment"> & </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>
1.93 + <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>
1.94 + <span class="comment"> * </span><span class="comment">an XHTML page and Java.</span>
1.95 + <span class="comment"> * </span>
1.96 + <span class="comment"> * </span><span class="ST1">@author</span> <span class="comment">Jaroslav</span> <span class="comment">Tulach</span> <span class="ST0"><jaroslav.tulach@apidesign.org></span>
1.97 + <span class="comment">*/</span>
1.98 + @Page(xhtml=<span class="string">"</span><span class="string">Calculator.xhtml</span><span class="string">"</span>)
1.99 + <span class="keyword-directive">public</span> <span class="keyword-directive">class</span> App {
1.100 + <span class="keyword-directive">private</span> <span class="keyword-directive">static</span> <span class="keyword-directive">double</span> memory;
1.101 + <span class="keyword-directive">private</span> <span class="keyword-directive">static</span> String operation;
1.102 +
1.103 + @OnClick(id=<span class="string">"</span><span class="string">clear</span><span class="string">"</span>)
1.104 + <span class="keyword-directive">static</span> <span class="keyword-directive">void</span> clear() {
1.105 + memory = <span class="number">0</span>;
1.106 + operation = <span class="keyword-directive">null</span>;
1.107 + Calculator.DISPLAY.setValue(<span class="string">"</span><span class="string">0</span><span class="string">"</span>);
1.108 + }
1.109 +
1.110 + @OnClick(id= { <span class="string">"</span><span class="string">plus</span><span class="string">"</span>, <span class="string">"</span><span class="string">minus</span><span class="string">"</span>, <span class="string">"</span><span class="string">mul</span><span class="string">"</span>, <span class="string">"</span><span class="string">div</span><span class="string">"</span> })
1.111 + <span class="keyword-directive">static</span> <span class="keyword-directive">void</span> applyOp(String op) {
1.112 + memory = getValue();
1.113 + operation = op;
1.114 + Calculator.DISPLAY.setValue(<span class="string">"</span><span class="string">0</span><span class="string">"</span>);
1.115 + }
1.116 +
1.117 + @OnClick(id=<span class="string">"</span><span class="string">result</span><span class="string">"</span>)
1.118 + <span class="keyword-directive">static</span> <span class="keyword-directive">void</span> computeTheValue() {
1.119 + <span class="keyword-directive">switch</span> (operation) {
1.120 + <span class="keyword-directive">case</span> <span class="string">"</span><span class="string">plus</span><span class="string">"</span>: setValue(memory + getValue()); <span class="keyword-directive">break</span>;
1.121 + <span class="keyword-directive">case</span> <span class="string">"</span><span class="string">minus</span><span class="string">"</span>: setValue(memory - getValue()); <span class="keyword-directive">break</span>;
1.122 + <span class="keyword-directive">case</span> <span class="string">"</span><span class="string">mul</span><span class="string">"</span>: setValue(memory * getValue()); <span class="keyword-directive">break</span>;
1.123 + <span class="keyword-directive">case</span> <span class="string">"</span><span class="string">div</span><span class="string">"</span>: setValue(memory / getValue()); <span class="keyword-directive">break</span>;
1.124 + <span class="keyword-directive">default</span>: <span class="keyword-directive">throw</span> <span class="keyword-directive">new</span> IllegalStateException(operation);
1.125 + }
1.126 + }
1.127 +
1.128 + @OnClick(id={<span class="string">"</span><span class="string">n0</span><span class="string">"</span>, <span class="string">"</span><span class="string">n1</span><span class="string">"</span>, <span class="string">"</span><span class="string">n2</span><span class="string">"</span>, <span class="string">"</span><span class="string">n3</span><span class="string">"</span>, <span class="string">"</span><span class="string">n4</span><span class="string">"</span>, <span class="string">"</span><span class="string">n5</span><span class="string">"</span>, <span class="string">"</span><span class="string">n6</span><span class="string">"</span>, <span class="string">"</span><span class="string">n7</span><span class="string">"</span>, <span class="string">"</span><span class="string">n8</span><span class="string">"</span>, <span class="string">"</span><span class="string">n9</span><span class="string">"</span>})
1.129 + <span class="keyword-directive">static</span> <span class="keyword-directive">void</span> addDigit(String digit) {
1.130 + digit = digit.substring(<span class="number">1</span>);
1.131 + String v = Calculator.DISPLAY.getValue();
1.132 + <span class="keyword-directive">if</span> (getValue() == <span class="number">0.0</span>) {
1.133 + Calculator.DISPLAY.setValue(digit);
1.134 + } <span class="keyword-directive">else</span> {
1.135 + Calculator.DISPLAY.setValue(v + digit);
1.136 + }
1.137 + }
1.138 +
1.139 + <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) {
1.140 + StringBuilder sb = <span class="keyword-directive">new</span> StringBuilder();
1.141 + sb.append(v);
1.142 + Calculator.DISPLAY.setValue(sb.toString());
1.143 + }
1.144 +
1.145 + <span class="keyword-directive">private</span> <span class="keyword-directive">static</span> <span class="keyword-directive">double</span> getValue() {
1.146 + <span class="keyword-directive">try</span> {
1.147 + <span class="keyword-directive">return</span> Double.parseDouble(Calculator.DISPLAY.getValue());
1.148 + } <span class="keyword-directive">catch</span> (NumberFormatException ex) {
1.149 + Calculator.DISPLAY.setValue(<span class="string">"</span><span class="string">err</span><span class="string">"</span>);
1.150 + <span class="keyword-directive">return</span> <span class="number">0.0</span>;
1.151 + }
1.152 + }
1.153 + }
1.154 +
1.155 + </pre>
1.156 + </body>
1.157 +</html>