最近一直很忙為了放松放松自己就用Groovy寫了個計算器玩玩順便也給還不太了解Groovy中SwingBuilder的朋友展示一下SwingBuilder的用法
注意請使用最新版本的Groovy否則顯示有問題
運行結果
/*
* Copyright the original author or authors
*
* Licensed under the Apache License Version (the License);
* you may not use this file except in compliance with the License
* You may obtain a copy of the License at
*
*
*
* Unless required by applicable law or agreed to in writing software
* distributed under the License is distributed on an AS IS BASIS
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND either express or implied
* See the License for the specific language governing permissions and
* limitations under the License
*/
package eduecustswing
import groovyswing *
import javaxswing *
import javaawt *
/**
* Groovy Calculator for studying SwingBuilder
*
* @author Daniel Sun(rea)
*
* @since
*/
class GroovyCalculator {
def swing = new SwingBuilder()
JFrame frame
def toolkit = ToolkitgetDefaultToolkit()
def screenSize = toolkitgetScreenSize()
def WIDTH =
def HEIGHT =
int X = (screenSizewidth WIDTH) /
int Y = (screenSizeheight HEIGHT) /
boolean flag = false
private void run() {
UIManagersetLookAndFeel(UIManagergetSystemLookAndFeelClassName())
frame = swingframe(title: Demo
size: [WIDTH HEIGHT]
location: [X Y]
defaultCloseOperation: javaxswingWindowConstantsDISPOSE_ON_CLOSE) {
panel(layout: new BorderLayout()) {
textField(id: expr constraints: BorderLayoutNORTH)
panel(constraints: BorderLayoutCENTER) {
tableLayout {
tr {
td {
button(text: ) {
action(getAction( ))
}
}
td {
button(text: ) {
action(getAction( ))
}
}
td {
button(text: ) {
action(getAction( ))
}
}
td {
button(text: / ) {
action(getAction( / ))
}
}
}
tr {
td {
button(text: ) {
action(getAction( ))
}
}
td {
button(text: ) {
action(getAction( ))
}
}
td {
button(text: ) {
action(getAction( ))
}
}
td {
button(text: * ) {
action(getAction( * ))
}
}
}
tr {
td {
button(text: ) {
action(getAction( ))
}
}
td {
button(text: ) {
action(getAction( ))
}
}
td {
button(text: ) {
action(getAction( ))
}
}
td {
button(text: ) {
action(getAction( ))
}
}
}
tr {
td {
button(text: ) {
action(getAction( ))
}
}
td {
button(text: = ) {
action(name: = closure: this & eval)
}
}
td {
button(text: C ) {
action(name: C closure: this & clear)
}
}
td {
button(text: + ) {
action(getAction( + ))
}
}
}
}
}
}
}
swingexprsetEditable( false )
swingexprsetHorizontalAlignment(JTextFieldRIGHT)
swingexprsetBackground(ColorWHITE)
framepack()
framesetResizable( false )
framesetVisible( true )
}
private void append(EventObject evt = null ) {
if (flag) {
swingexprtext =
flag = false
}
String name = evtsourcetext
swingexprtext <<= name
swingexprtext = swingexprtextreplaceAll( // / )
}
private void clear(EventObject evt = null ) {
swingexprtext =
}
private void eval(EventObject evt = null ) {
String expr = swingexprtext
def b = new Binding()
def conf = new ntrolCompilerConfiguration()
confsetSourceEncoding( unicode )
def groovyShell = new GroovyShell(bconf)
try {
swingexprtext = groovyShellevaluate(expr)
} catch (Throwable t) {
swingexprtext = invalid expression!
flag = true
}
}
def getAction(name) {
return swingaction(name:name closure: this & append)
}
static void main(args) {
new GroovyCalculator()run()
}
}
From:http://tw.wingwit.com/Article/program/Java/hx/201311/25741.html
