/*
 * @author 陳勇 創建日期 2006-4-10
 *
 * 努力！
 */
package cn.com.javachen.myxml.xmltree;

import java.io.IOException;
import java.util.ArrayList;

import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.action.MenuManager;
import org.eclipse.jface.action.Separator;
import org.eclipse.jface.dialogs.InputDialog;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.swt.dnd.Clipboard;
import org.eclipse.swt.dnd.TextTransfer;
import org.eclipse.swt.dnd.Transfer;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.ui.actions.ActionGroup;

import cn.com.javachen.myxml.dialog.MyInputDialog;
import cn.com.javachen.myxml.wz.DataFactory;
import cn.com.javachen.myxml.wz.ITreeEntry;
import cn.com.javachen.myxml.wz.RootWjj;
import cn.com.javachen.myxml.wz.WjjEntity;
import cn.com.javachen.myxml.wz.WzEntity;
import cn.com.javachen.myxml.wz.WzXml;

/**
 * @author Administrator
 * 
 * TODO 要更改此生成的類型注釋的模板，請轉至 窗口 － 首選項 － Java － 代碼樣式 － 代碼模板
 */
public class MyActionGroup extends ActionGroup {
	private TreeViewer tv;

	private Display display;

	final ITreeEntry[] sourceObj = new ITreeEntry[1];// 暫存拖動源對象

	final static String path = "./lib/WWWroot.xml";

	final Clipboard cb = new Clipboard(display);

	/**
	 * 
	 */
	public MyActionGroup(TreeViewer tv, Display display) {
		this.tv = tv;
		this.display = display;
	}

	public void fillContexMenu(IMenuManager mgr) {
		MenuManager menuManager = (MenuManager) mgr;
		menuManager.add(new OpenAction());
		menuManager.add(new ExpandAction());
		menuManager.add(new CollapseAction());
		menuManager.add(new Separator());
		menuManager.add(new CutTreeAction());
		menuManager.add(new PasteTreeAction());
		menuManager.add(new Separator());
		menuManager.add(new AddEntryAction());
		menuManager.add(new DelEntryAction());
		menuManager.add(new ModifyEntryAction());
		menuManager.add(new RefreshAction());
		menuManager.add(new Separator());
		menuManager.add(new HelpAction());
		Tree tree = tv.getTree();
		Menu menu = menuManager.createContextMenu(tree);
		System.out.println("有菜單：" + menu.getItemCount());
		tree.setMenu(menu);
	}

	private ITreeEntry getSelTreeEntry() {
		IStructuredSelection selection = (IStructuredSelection) tv
				.getSelection();
		ITreeEntry obj = (ITreeEntry) selection.getFirstElement();
		return obj;
	}

	private class OpenAction extends Action {
		public OpenAction() {
			setText("打開");
		}

		/*
		 * （非 Javadoc）
		 * 
		 * @see org.eclipse.jface.action.IAction#run()
		 */
		public void run() {
			// TODO 自動生成方法存根
			super.run();
			ITreeEntry obj = getSelTreeEntry();
			if (obj instanceof RootWjj) {
				tv.expandToLevel(obj, 1);
			} else if (obj instanceof WjjEntity) {
				tv.expandToLevel(obj, 1);
			} else if (obj instanceof WzEntity) {
				// 這里寫打開browser的代碼
				String path = ((WzEntity) obj).getPath();
				try {
					Runtime.getRuntime().exec(
							"cmd /c start IEXPLORE.EXE  \"" + path + "\"");
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
		}
	}

	private class RefreshAction extends Action {
		public RefreshAction() {
			setText("刷新");
		}

		/*
		 * （非 Javadoc）
		 * 
		 * @see org.eclipse.jface.action.IAction#run()
		 */
		public void run() {
			// TODO 自動生成方法存根
			super.run();
			tv.setInput(DataFactory.createTreeData());
			// tv.refresh();
		}
	}

	private class ExpandAction extends Action {
		public ExpandAction() {
			setText("全展開");
		}

		/*
		 * （非 Javadoc）
		 * 
		 * @see org.eclipse.jface.action.IAction#run()
		 */
		public void run() {
			// TODO 自動生成方法存根
			super.run();
			ITreeEntry obj = getSelTreeEntry();
			if (obj != null) {
				tv.expandAll();// 只展開一層
			}
		}
	}

	private class CollapseAction extends Action {
		public CollapseAction() {
			setText("收縮");
		}

		/*
		 * （非 Javadoc）
		 * 
		 * @see org.eclipse.jface.action.IAction#run()
		 */
		public void run() {
			// TODO 自動生成方法存根
			super.run();
			ITreeEntry obj = getSelTreeEntry();
			if (obj instanceof RootWjj) {
				tv.collapseToLevel(obj, 1);
			} else if (obj instanceof WjjEntity) {
				tv.collapseToLevel(obj, 1);
			} else if (obj instanceof WzEntity) {
				tv.collapseAll();
			}
		}
	}

	private class CutTreeAction extends Action {
		public CutTreeAction() {
			setText("剪切");
		}

		public void run() {
			super.run();
			ITreeEntry obj = getSelTreeEntry();
			if (obj instanceof RootWjj) {
				return;
			} else if (obj instanceof WjjEntity) {
				return;
			} else if (obj instanceof WzEntity) {				
				Object[] data = new Object[] { obj.getName() };
				Transfer[] types = new Transfer[] { TextTransfer.getInstance() };
				cb.setContents(data, types);
				sourceObj[0] = obj;
				try {
					WzXml.delWzXML(path, ((WzEntity) obj).getName());
				} catch (Exception e) {
					// TODO 自動生成 catch 塊
					MessageDialog.openError(null, "剪切錯誤", e.toString());
					return;
				}
				tv.remove(obj);				
			}
		}
	}

	private class PasteTreeAction extends Action {
		public PasteTreeAction() {
			setText("粘貼");
		}

		public void run() {
			super.run();
			ITreeEntry obj = getSelTreeEntry();
			
			if (obj instanceof RootWjj) {
				return;
			} else if (obj instanceof WjjEntity) {
				if (cb.getContents(TextTransfer.getInstance()) != null) {
					String str = (String) (cb.getContents(TextTransfer
							.getInstance()));
					WzEntity childObj = new WzEntity(str,
							((WzEntity) sourceObj[0]).getPath(),
							(WjjEntity) obj);
					try {
						WzXml.AddWzXML(path, obj.getName(), childObj);
					} catch (Exception e) {
						// TODO 自動生成 catch 塊
						MessageDialog.openError(null, "剪切錯誤", e.toString());
						return;
					}					
					if(!obj.equals(sourceObj[0].getParent())){//除掉本身文件夾粘貼時產生兩個相同的站點視圖模型
					if (!new TreeViewerContentProvider().hasChildren(obj)) {//我以前寫的解決“+”問題，在這里只能用我寫的解決。陳剛寫的不管。
	                        ArrayList list = new ArrayList();
	                        list.add(childObj);
	                        obj.setChildren(list);
	                }
					tv.setExpandedState(obj,true);
					tv.add(obj, childObj);
					}else{
						tv.setExpandedState(obj,true);
						tv.refresh(obj);
					}
					cb.clearContents();
				} else {
					return;
				}

			} else if (obj instanceof WzEntity) {
				if (cb.getContents(TextTransfer.getInstance()) != null) {
					String str = (String) (cb.getContents(TextTransfer
							.getInstance()));
					WzEntity childObj = new WzEntity(str,
							((WzEntity) sourceObj[0]).getPath(),
							(WjjEntity) obj.getParent());
					try {
						WzXml.AddWzXML(path, ((WjjEntity) obj.getParent())
								.getName(), childObj);
					} catch (Exception e) {
						// TODO 自動生成 catch 塊
						MessageDialog.openError(null, "剪切錯誤", e.toString());
						return;
					}
					tv.add(obj.getParent(), childObj);							
					cb.clearContents();
					
				} else {
					return;
				}
			}
		}
	}