Groovy example source code file (Widgets.groovy)

This example Groovy source code file (Widgets.groovy) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Groovy tags/keywords

a, awt, border, date, date, dialog, dialog, east, east, gui, horizontal, layout, swing, tooltip, value, west, west

The Groovy Widgets.groovy source code

package swing

import java.awt.Color
import javax.swing.SwingConstants
import javax.swing.WindowConstants
import groovy.swing.SwingBuilder

class Widgets {

    def swing = new SwingBuilder()
    def unownedDialog
    def ownedDialog
    

    static void main(args) {
        def demo = new Widgets()
        demo.run()
    }

    def showUnownedDialog(event) {
        unownedDialog.show();
    }
    
    def showOwnedDialog(event) {
        ownedDialog.show();
    }

    void run() {
        unownedDialog = swing.dialog(
            title:'unrooted dialog',
            location: [200, 200],
            pack:true,
            defaultCloseOperation:WindowConstants.DISPOSE_ON_CLOSE
            ) {
                label("I am unowned, but not unwanted");
            }

        def frame = swing.frame(
            title:'FrameTitle',
            location:[100,100],
            size:[800,400],
            defaultCloseOperation:WindowConstants.EXIT_ON_CLOSE) {

            menuBar {
                menu(text:'File') {
                    menuItem() {
                        action(name:'New', closure:{ println("clicked on the new menu item!") })
                    }
                    menuItem() {
                        action(name:'Open', closure:{ println("clicked on the open menu item!") })
                    }
                    separator()
                    menuItem() {
                        action(name:'Save', enabled:false, closure:{ println("clicked on the Save menu item!") })
                    }
                }
                menu(text:'Dialogs') {
                    menuItem() {
                        action(name:'Owned Dialog', closure: this.&showOwnedDialog)
                    }
                    menuItem() {
                        action(name:'Unowned Dialog', closure: this.&showUnownedDialog)
                    }
                    def deeplyOwnedDialog = swing.dialog(
                        title:'rooted dialog #2',
                        location: [200, 200],
                        pack:true,
                        defaultCloseOperation:WindowConstants.DISPOSE_ON_CLOSE
                        ) {
                        label("ownership is deep");
                    }
                    menuItem() {
                        action(name:'Deeply Owned Dialog', closure: {deeplyOwnedDialog.show()} )
                    }
                }
            }

            tabbedPane() {

                //colorChooser(
                //    name:"Color Chooser",
                //    color: 0xfeed42)

                panel(name:"Formatted Text Fields") {
                    gridLayout(columns: 2, rows: 0)
                    label("Simple Constructor:")
                    formattedTextField()
                    label("Date Value")
                    formattedTextField(value: new java.util.Date())
                    label("Integer Value")
                    formattedTextField(value: new java.lang.Integer(42))
                    label("Date Format")
                    formattedTextField(format: java.text.DateFormat.getDateInstance())
                    label("Currency Format ")
                    formattedTextField(format: new java.text.DecimalFormat("¤###.00;(¤###.00)"))
                }

                panel(name:"Sliders") {
                    flowLayout()
                    slider(minimum:-100, 
                        maximum:100, 
                        majorTickSpacing: 50,
                        orientation: SwingConstants.VERTICAL, 
                        paintLabels:true)
                    slider(minimum:-100, 
                        maximum:100, 
                        orientation: SwingConstants.VERTICAL, 
                        paintLabels:true,
                        paintTicks:true,
                        majorTickSpacing: 50,
                        minorTickSpacing: 10,
                        snapToTicks:true,
                        paintTrack:true)
                }

                panel(name:"Spinners") {
                    gridBagLayout()
                    label(
                        text:"Tempuature in London:",
                        insets:[12, 12, 2, 2],
                        anchor: EAST,
                        gridx: 0)
                    spinner(
                        model:spinnerNumberModel(minimum:-10, 
                            maximum: 40, 
                            value:20,
                            stepSize:5),
                        insets:[12, 3, 2, 12],
                        anchor: WEST,
                        gridx: 1,
                        fill: HORIZONTAL)
                    label(
                        text:"Baseball Leagues:",
                        insets:[3, 12, 2, 2],
                        anchor: EAST,
                        gridx: 0)
                    spinner(
                        model:spinnerListModel(
                            list: ["Major League", "AAA", "AA", "A", "Rookie", "Semi-Pro", "Rec A", "Rec B"],
                            value: "AA"),
                        insets:[3, 3, 2, 12],
                        anchor: WEST,
                        gridx: 1,
                        fill: HORIZONTAL)
                    label(
                        text:"Today's Date:",
                        insets:[3, 12, 2, 2],
                        anchor: EAST,
                        gridx: 0)
                    spinner(
                        model:spinnerDateModel(calendarField: Calendar.HOUR_OF_DAY),
                        insets:[3, 3, 2, 12],
                        anchor: WEST,
                        gridx: 1,
                        fill: HORIZONTAL)
                }

                panel(name:"Border Layout") {
                    borderLayout()
                    label(text:"Border Layout", 
                          constraints:NORTH,
                          horizontalAlignment:SwingConstants.CENTER)
                    label(text:"South", 
                          constraints:SOUTH,
                          background:Color.YELLOW,
                          opaque:true,
                          horizontalAlignment:SwingConstants.CENTER,
                          toolTipText:"Tooltip on south")
                    label(text:"West", 
                          constraints:WEST,
                          background:Color.ORANGE,
                          opaque:true,
                          horizontalAlignment:SwingConstants.CENTER,
                          toolTipText:"Tooltip on west")
                    label(text:"East", 
                          constraints:EAST,
                          background:Color.GREEN,
                          opaque:true,
                          horizontalAlignment:SwingConstants.CENTER,
                          toolTipText:"Tooltip on east")
                    label(text:"Center", 
                          constraints:CENTER,
                          background:Color.WHITE,
                          opaque:true,
                          horizontalAlignment:SwingConstants.CENTER,
                          toolTipText:"<html>This is not the tooltip you are looking for.
*waves hand*")
                }
            }

            ownedDialog = swing.dialog(
                title:'rooted dialog',
                location: [200, 200],
                pack:true,
                defaultCloseOperation:WindowConstants.DISPOSE_ON_CLOSE
                ) {
                label("j00 h4v3 b33n 0wn3xed");
            }
        }        
        frame.show()
    }
    
}