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import flash.events.MouseEvent;
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import com.example.programmingas3.playlist.PlayList;
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import com.example.programmingas3.playlist.Song;
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import com.example.programmingas3.playlist.SortProperty;
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// constants for the different "states" of the song form
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private static const ADD_SONG:uint = 1;
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private static const SONG_DETAIL:uint = 2;
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private var playList:PlayList = new PlayList();
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private function initApp():void
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// set the initial state of the song form, for adding a new song
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setFormState(ADD_SONG);
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// prepopulate the list with a few songs
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playList.addSong(new Song("Nessun Dorma", "Luciano Pavarotti", 1990, "nessundorma.mp3", ["90's", "Opera"]));
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playList.addSong(new Song("Come Undone", "Duran Duran", 1993, "comeundone.mp3", ["90's", "Pop"]));
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playList.addSong(new Song("Think of Me", "Sarah Brightman", 1987, "thinkofme.mp3", ["Showtunes"]));
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playList.addSong(new Song("Unbelievable", "EMF", 1991, "unbelievable.mp3", ["90's", "Pop"]));
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songList.dataProvider = playList.songList;
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private function sortList(sortField:SortProperty):void
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// Make all the sort type buttons enabled.
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// The active one will be grayed-out below
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sortByTitle.selected = false;
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sortByArtist.selected = false;
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sortByYear.selected = false;
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case SortProperty.TITLE:
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sortByTitle.selected = true;
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case SortProperty.ARTIST:
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sortByArtist.selected = true;
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case SortProperty.YEAR:
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sortByYear.selected = true;
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playList.sortList(sortField);
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private function refreshList():void
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// remember which song was selected
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var selectedSong:Song = Song(songList.selectedItem);
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// re-assign the song list as the dataprovider to get the newly sorted list
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// and force the List control to refresh itself
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songList.dataProvider = playList.songList;
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// reset the song selection
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if (selectedSong != null)
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songList.selectedItem = selectedSong;
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private function songSelectionChange():void
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if (songList.selectedIndex != -1)
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setFormState(SONG_DETAIL);
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setFormState(ADD_SONG);
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private function addNewSong():void
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// gather the values from the form and add the new song
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var title:String = newSongTitle.text;
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var artist:String = newSongArtist.text;
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var year:uint = newSongYear.value;
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var filename:String = newSongFilename.text;
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var genres:Array = newSongGenres.selectedItems;
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playList.addSong(new Song(title, artist, year, filename, genres));
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// clear out the "add song" form fields
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setFormState(ADD_SONG);
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private function songListLabel(item:Object):String
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return item.toString();
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private function setFormState(state:uint):void
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// set the form title and control state
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formTitle.text = "Add New Song";
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// show the submit button
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submitSongData.visible = true;
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showAddControlsBtn.visible = false;
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// clear the form fields
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newSongTitle.text = "";
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newSongArtist.text = "";
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newSongYear.value = (new Date()).fullYear;
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newSongFilename.text = "";
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newSongGenres.selectedIndex = -1;
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// deselect the currently selected song (if any)
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songList.selectedIndex = -1;
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formTitle.text = "Song Details";
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// populate the form with the selected item's data
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var selectedSong:Song = Song(songList.selectedItem);
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newSongTitle.text = selectedSong.title;
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newSongArtist.text = selectedSong.artist;
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newSongYear.value = selectedSong.year;
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newSongFilename.text = selectedSong.filename;
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newSongGenres.selectedItems = selectedSong.genres;
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// hide the submit button
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submitSongData.visible = false;
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showAddControlsBtn.visible = true;
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removed
tests/examplefiles/as3_test.as
