exportindexdialog.java

CD Manager光盘资料管家婆源代码

package com.galaxyworkstation.view;

import java.io.File;

import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.SashForm;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.layout.FormAttachment;
import org.eclipse.swt.layout.FormData;
import org.eclipse.swt.layout.FormLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Dialog;
import org.eclipse.swt.widgets.DirectoryDialog;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.MessageBox;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.swt.widgets.TreeItem;

import com.galaxyworkstation.control.CDManager;
import com.galaxyworkstation.model.CD;
import com.galaxyworkstation.model.SWTResourceManager;


public class ExportIndexDialog extends Dialog {

	private Text text;
	private Button choose;
	private Button OK;
	private Button cancel;
	
	protected Object result;
	protected Shell shell;

	/**
	 * Create the dialog
	 * @param parent
	 * @param style
	 */
	public ExportIndexDialog(Shell parent, int style) {
		super(parent, style);
	}

	/**
	 * Create the dialog
	 * @param parent
	 */
	public ExportIndexDialog(Shell parent) {
		this(parent, SWT.NONE);
	}

	/**
	 * Open the dialog
	 */
	public Object open() {
		createContents();
		addListener();
		shell.open();
		shell.layout();
		Display display = getParent().getDisplay();
		while (!shell.isDisposed()) {
			if (!display.readAndDispatch())
				display.sleep();
		}
		return result;
	}

	/**
	 * Create contents of the dialog
	 */
	protected void createContents() {
		shell = new Shell(getParent(), SWT.DIALOG_TRIM | SWT.APPLICATION_MODAL);
		shell.setLayout(new FormLayout());
		shell.setSize(287, 128);
		shell.setLocation((shell.getDisplay().getClientArea().width - shell.getClientArea().width) / 2,
				(shell.getDisplay().getClientArea().height - shell.getClientArea().height) / 2);
		shell.setText("导出光盘索引");

		final Group group = new Group(shell, SWT.NONE);
		final FormData fd_group = new FormData();
		fd_group.left = new FormAttachment(0, 5);
		fd_group.bottom = new FormAttachment(100, -5);
		fd_group.top = new FormAttachment(0, 0);
		fd_group.right = new FormAttachment(100, -5);
		group.setLayoutData(fd_group);

		text = new Text(group, SWT.BORDER);
		text.setEditable(false);
		text.setBounds(10, 19, 149, 18);

		choose = new Button(group, SWT.NONE);
		choose.setImage(SWTResourceManager.getImage(SearchDialog.class, "../../../image/folder16.gif"));
		choose.setText("请选择...");
		choose.setBounds(174, 17, 87, 22);

		OK = new Button(group, SWT.NONE);
		OK.setText("确  定");
		OK.setBounds(70, 56, 48, 22);

		cancel = new Button(group, SWT.NONE);
		cancel.setText("取  消");
		cancel.setBounds(143, 56, 48, 22);
	
	}
	
	/*************************************************
	 ************Register Listener *******************
	 *************************************************/

	private void addListener(){
		
		choose.addSelectionListener(chooseSelection);
		
		OK.addSelectionListener(OKSelection);
		
		cancel.addSelectionListener(cancelSelection);
	}
	
	/*********************************************************
	 ******************* Listener ****************************
	 *********************************************************/	
	
	/**
	 * 选择事件
	 */
	private SelectionListener chooseSelection = new SelectionListener(){

		public void widgetDefaultSelected(SelectionEvent e) {		
		}

		public void widgetSelected(SelectionEvent e) {
			
			final DirectoryDialog dirDialog = new DirectoryDialog(shell);
			dirDialog.setMessage("请选择将索引导出到的文件夹...");
			String path = dirDialog.open();				
			if(path != null)
				text.setText(path);
		}
		
	};
	
	/**
	 * 确定事件
	 */
	private SelectionListener OKSelection = new SelectionListener(){

		public void widgetDefaultSelected(SelectionEvent e) {
		}

		public void widgetSelected(SelectionEvent e) {
			
			if(text.getText() != ""){
				TreeItem treeItem = ((Tree)((Composite)((SashForm)((SashForm)((Group)e.display.getShells()[0].getChildren()[1])
	                     .getChildren()[0]).getChildren()[0]).getChildren()[0])
	                     .getChildren()[0]).getSelection()[0];
				CD cd = MainGUI.CDMap.get(treeItem);
				CDManager.action.exportIndex(cd, text.getText());
				
				MessageBox msgBox = new MessageBox(shell, SWT.ICON_INFORMATION
						| SWT.OK);
				msgBox.setText("成功");
				msgBox.setMessage("索引成功导出为 " + text.getText() + File.separator + cd.getName() + ".txt 文件!" );
				msgBox.open();
				shell.dispose();
			}else{
				MessageBox msgBox = new MessageBox(shell, SWT.ICON_ERROR
						| SWT.OK);
				msgBox.setText("文件夹路径错误");
				msgBox.setMessage("您选择的文件夹不存在,请重新选择!");
				msgBox.open();
			}
		}
		
	};
	
	/**
	 * 取消事件
	 */
	private SelectionListener cancelSelection = new SelectionListener(){

		public void widgetDefaultSelected(SelectionEvent e) {
		}

		public void widgetSelected(SelectionEvent e) {
			
			shell.dispose();
		}
		
	};

}