Episode 2

todd — Mon, 16 Nov 2009 15:07:12 +0000

Show notes for Episode 2

You can watch it here or if you prefer, you can download a higher resolution version (quicktime).

Convention Over Configuration

http://en.wikipedia.org/wiki/Convention_over_configuration
Code Conventions for the Java Programming Language http://java.sun.com/docs/codeconv/

Installing Griffon

http://griffon.codehaus.org/Download
Java SE Installers (Windows/Linux) http://java.sun.com/javase/downloads/index.jsp

Threading

Event Dispatch Thread (EDT) http://en.wikipedia.org/wiki/Event_dispatching_thread
Swing Utilities http://java.sun.com/javase/6/docs/api/javax/swing/SwingUtilities.html
JBusy Component – http://code.google.com/p/jbusycomponent/

Episode2View.groovy

import java.awt.BorderLayout
 
actions {
  action(id: "executeAction",
          name: "Execute",
          mnemonic: "E", accelerator: shortcut("E"), closure: controller.executeDirectoryList)
}
application(title: 'Episode 2',
        size: [480, 320],
        // pack: true,
        //location:[50,50],
        locationByPlatform: true,
        iconImage: imageIcon('/griffon-icon-48x48.png').image,
        iconImages: [imageIcon('/griffon-icon-48x48.png').image,
                imageIcon('/griffon-icon-32x32.png').image,
                imageIcon('/griffon-icon-16x16.png').image]
) {
  tabbedPane() {
    busyComponent(name: "Tab 1", id: "c1", constraints: BorderLayout.CENTER, busy: bind {model.loading}) {
      busyModel(description:"Loading...")
      panel(name: "Tab 1") {
        borderLayout()
        scrollPane(constraints: CENTER) {
          textArea(id: "results")
        }
        hbox(constraints: SOUTH) {
          button(executeAction)
        }
      }
    }
    panel(name: "Tab 2") {
    }
  }
}

Episode2Model.groovy

import groovy.beans.Bindable
 
class Episode2Model {
    @Bindable Boolean loading
}

Episode2Controller.groovy

class Episode2Controller {
  // these will be injected by Griffon
  def model
  def view
 
  void mvcGroupInit(Map args) {
    // this method is called after model and view are injected
  }
 
 
  def executeDirectoryList = {evt = null ->
    model.loading = true
    doOutside {
      try {
        def result = "ls -laR /Library/Documentation".execute().text
        edt {
          view.results.text = result
        }
      } finally {
        model.loading = false
      }
    }
  }

Episode 1

todd — Tue, 15 Sep 2009 14:39:41 +0000

The inaugural GriffonCast screen cast is available. You can watch it here or if you prefer, you can download a higher resolution version (quicktime).

Download the example project we build in the screencast.

Griffon Cast » todd