glllmenu.as

flex开发的音乐播放程序程序。带歌词功能

package com.ll19.menu {
	import flash.display.MovieClip;
	import flash.events.ContextMenuEvent;
	import flash.net.URLRequest;
	import flash.net.navigateToURL;
	import flash.ui.ContextMenu;
	import flash.ui.ContextMenuBuiltInItems;
	import flash.ui.ContextMenuItem;

	import com.ll19.sound.GlllSound;
	import com.ll19.util.GlllStringUtil;	

	/**
	 * - GL'LL. - 
	 * 自定义右键菜单类实现IMenu
	 * 
	 * @author <a href="http://www.LL19.com/">LL19.com</a>
	 *
	 */
	public class GlllMenu implements IMenu {

		public var myMenu:ContextMenu;

		private var defaultItems:ContextMenuBuiltInItems;

		/**
		 * 构建菜单
		 * @param showMenu no屏蔽右键所有菜单,或者选择显示例如 print,zoom 则显示打印和放大缩小(用,隔开),只显示其中之一直接输入字符,有效字符包括“print,forwardAndBack,zoom,save,rewind,quality,play,loop” 若不构建传入"show".
		 * @param myObject  this.
		 */
		function GlllMenu(showMenu:String,myObject:MovieClip) {
			if (showMenu != "show") {
				try {
					myMenu = new ContextMenu();
					defaultItems = myMenu.builtInItems;
					if (showMenu == "no") {
						myMenu.hideBuiltInItems();
						myObject.contextMenu = myMenu;
					} 
					else if (showMenu.indexOf(",") > -1) {
						var menuList:Array = showMenu.split(",");
						myMenu.hideBuiltInItems();
						for (var i:int = 0;i < menuList.length; i++) {
							switch (true) {
								case GlllStringUtil.indexString(menuList[i], "print") :
									//显示打印
									defaultItems.print = true;
									break;
								case GlllStringUtil.indexString(menuList[i], "forwardAndBack") :
									//显示前进后退
									defaultItems.forwardAndBack = true;
									break;
								case GlllStringUtil.indexString(menuList[i], "zoom") :
									//显示放大缩小
									defaultItems.zoom = true;
									break;
								case GlllStringUtil.indexString(menuList[i], "save") :
									//显示save
									defaultItems.save = true;
									break;
								case GlllStringUtil.indexString(menuList[i], "rewind") :
									//显示rewind
									defaultItems.rewind = true;
									break;
								case GlllStringUtil.indexString(menuList[i], "quality") :
									//显示quality
									defaultItems.quality = true;
									break;
								case GlllStringUtil.indexString(menuList[i], "play") :
									//显示play
									defaultItems.play = true;
									break;
								case GlllStringUtil.indexString(menuList[i], "loop") :
									//显示loop
									defaultItems.loop = true;
									break;
								default:
									trace("传入参数showMenu: " + menuList[i] + " 没有执行");
							}
						}
						myObject.contextMenu = myMenu;
					}
					else if (showMenu.indexOf(",") == -1) {
						myMenu.hideBuiltInItems();	
						switch (true) {
							case GlllStringUtil.indexString(showMenu, "print") :
								//显示打印
								defaultItems.print = true;
								break;
							case GlllStringUtil.indexString(showMenu, "forwardAndBack") :
								//显示前进后退
								defaultItems.forwardAndBack = true;
								break;
							case GlllStringUtil.indexString(showMenu, "zoom") :
								//显示放大缩小
								defaultItems.zoom = true;
								break;
							case GlllStringUtil.indexString(showMenu, "save") :
								//显示save
								defaultItems.save = true;
								break;
							case GlllStringUtil.indexString(showMenu, "rewind") :
								//显示rewind
								defaultItems.rewind = true;
								break;
							case GlllStringUtil.indexString(showMenu, "quality") :
								//显示quality
								defaultItems.quality = true;
								break;
							case GlllStringUtil.indexString(showMenu, "play") :
								//显示play
								defaultItems.play = true;
								break;
							case GlllStringUtil.indexString(showMenu, "loop") :
								//显示loop
								defaultItems.loop = true;
								break;
							default:
								trace("传入参数showMenu: " + showMenu + " 没有执行");
						}
						myObject.contextMenu = myMenu;
					}
					else {}
				}
			catch (e:Error) {
					trace("构建菜单错误 myMc有否传入正确？");
					trace(e.message);
					throw e;
				}
			finally {
				}
			}
		else {
				myObject.contextMenu = myMenu;
			}
		}

		/**
		 * 用来建立右键链接菜单
		 * @param title 链接的标题
		 * @param url 链接的地址
		 * @param separatorBefore 菜单项上方是否显示分隔条
		 */
		public function buildLinkMenu(title:String , url:String,ISeparatorBefore:Boolean):void {
			var item:ContextMenuItem = new ContextMenuItem(title);
			myMenu.customItems.push(item);
			item.addEventListener(ContextMenuEvent.MENU_ITEM_SELECT, mouseRelease);
			item.separatorBefore = ISeparatorBefore;
			function mouseRelease(event:ContextMenuEvent):void {
				var request:URLRequest = new URLRequest(url);
				navigateToURL(request, "_blank");
			}
		}

		/**
		 * 用来建立右键文字菜单
		 * @param text 链接的文字
		 * @param separatorBefore 菜单项上方是否显示分隔条
		 */
		public function buildTextMenu(text:String,ISeparatorBefore:Boolean):void {
			var item:ContextMenuItem = new ContextMenuItem(text);
			item.separatorBefore = ISeparatorBefore;
			myMenu.customItems.push(item);
		}

		/**
		 * 用来播放当前音乐
		 * @param text 链接的文字
		 * @param separatorBefore 菜单项上方是否显示分隔条
		 */
		public function playMusic(text:String, separatorBefore:Boolean):void {
			var item:ContextMenuItem = new ContextMenuItem(text);
			item.separatorBefore = separatorBefore;
			myMenu.customItems.push(item);
			item.addEventListener(ContextMenuEvent.MENU_ITEM_SELECT, mouseRelease);
			function mouseRelease(event:ContextMenuEvent):void {
				GlllSound.playMusic();
			}
		}

		/**
		 * 用来停止播放当前音乐
		 * @param text 显示文字
		 * @param separatorBefore 菜单项上方是否显示分隔条
		 */
		public function stopMusic(text:String, separatorBefore:Boolean):void {
			var item:ContextMenuItem = new ContextMenuItem(text);
			item.separatorBefore = separatorBefore;
			myMenu.customItems.push(item);
			item.addEventListener(ContextMenuEvent.MENU_ITEM_SELECT, mouseRelease);
			function mouseRelease(event:ContextMenuEvent):void {
				GlllSound.stopMusic();
			}
		}

		/**
		 * 用来播放下一首音乐
		 * @param text 显示文字
		 * @param separatorBefore 菜单项上方是否显示分隔条
		 */
		public function playNextMusic(text:String, separatorBefore:Boolean):void {
			var item:ContextMenuItem = new ContextMenuItem(text);
			item.separatorBefore = separatorBefore;
			myMenu.customItems.push(item);
			item.addEventListener(ContextMenuEvent.MENU_ITEM_SELECT, mouseRelease);
			function mouseRelease(event:ContextMenuEvent):void {
				GlllSound.playNextMusic();
			}
		}

		/**
		 * 用来播放上一首音乐
		 * @param text 显示文字
		 * @param separatorBefore 菜单项上方是否显示分隔条
		 */
		public function playPreviousMusic(text:String, separatorBefore:Boolean):void {
			var item:ContextMenuItem = new ContextMenuItem(text);
			item.separatorBefore = separatorBefore;
			myMenu.customItems.push(item);
			item.addEventListener(ContextMenuEvent.MENU_ITEM_SELECT, mouseRelease);
			function mouseRelease(event:ContextMenuEvent):void {
				GlllSound.playPreviousMusic();
			}
		}

		/**
		 * 用来关闭声音
		 * @param text 显示文字
		 * @param separatorBefore 菜单项上方是否显示分隔条
		 */
		public function closeVolume(text:String, separatorBefore:Boolean):void {
			var item:ContextMenuItem = new ContextMenuItem(text);
			item.separatorBefore = separatorBefore;
			myMenu.customItems.push(item);
			item.addEventListener(ContextMenuEvent.MENU_ITEM_SELECT, mouseRelease);
			function mouseRelease(event:ContextMenuEvent):void {
				GlllSound.closeVolume();
			}
		}

		/**
		 * 用来打开声音
		 * @param text 显示文字
		 * @param separatorBefore 菜单项上方是否显示分隔条
		 */
		public function openVolume(text:String, separatorBefore:Boolean):void {
			var item:ContextMenuItem = new ContextMenuItem(text);
			item.separatorBefore = separatorBefore;
			myMenu.customItems.push(item);
			item.addEventListener(ContextMenuEvent.MENU_ITEM_SELECT, mouseRelease);
			function mouseRelease(event:ContextMenuEvent):void {
				GlllSound.openVolume();
			}
		}

		/**
		 * 用来改变音乐波谱
		 * @param text 显示文字
		 * @param separatorBefore 菜单项上方是否显示分隔条
		 */
		public function changeMusicWave(text:String, separatorBefore:Boolean):void {
			var item:ContextMenuItem = new ContextMenuItem(text);
			item.separatorBefore = separatorBefore;
			myMenu.customItems.push(item);
			item.addEventListener(ContextMenuEvent.MENU_ITEM_SELECT, mouseRelease);
			function mouseRelease(event:ContextMenuEvent):void {
				GlllSound.changeMusicWave();
			}
		}
	}
}