DZone Snippets: clipboard code

Java - CUT&PASTE

whitetiger () — Thu, 26 Oct 2006 18:39:27 GMT

// Cut&Paste Method



package system.clipboard;



import java.awt.GridBagConstraints;

import java.awt.GridBagLayout;

import java.awt.datatransfer.Clipboard;

import java.awt.datatransfer.ClipboardOwner;

import java.awt.datatransfer.DataFlavor;

import java.awt.datatransfer.StringSelection;

import java.awt.datatransfer.Transferable;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;	 



import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JTextArea;



public class ClipBoard extends JFrame implements ClipboardOwner, ActionListener

{

	private static final long serialVersionUID = 1L;

	

	JTextArea srcText, dstText;

	JButton copyButton, pasteButton;

	Clipboard clipboard = getToolkit().getSystemClipboard();



	public ClipBoard()

	{

		super("Clipboard Test");

		

		GridBagLayout gridbag = new GridBagLayout();

		GridBagConstraints c = new GridBagConstraints();

		

		setLayout(gridbag);

		

		srcText = new JTextArea(8, 32);

		c.gridwidth = 2;

		c.anchor = GridBagConstraints.CENTER;

		gridbag.setConstraints(srcText, c);

		add(srcText);



		copyButton = new JButton("Copy Above");

		copyButton.setActionCommand("copy");

		copyButton.addActionListener(this);

		c.gridy = 1;

		c.gridwidth = 1;

		gridbag.setConstraints(copyButton, c);

		add(copyButton);

		

		pasteButton = new JButton("Paste Below");

		pasteButton.setActionCommand("paste");

		pasteButton.addActionListener(this);

		pasteButton.setEnabled(false);

		c.gridx = 1;

		gridbag.setConstraints(pasteButton, c);

		add(pasteButton);

		

		dstText = new JTextArea(8, 32);

		c.gridx = 0;

		c.gridy = 2;

		c.gridwidth = 2;

		gridbag.setConstraints(dstText, c);

		add(dstText);

		

		pack();

	}

	

	public void actionPerformed(ActionEvent evt)

	{

		String cmd = evt.getActionCommand();

		

		if(cmd.equals("copy")) 

		{

			// Implement Copy operation

			String srcData = srcText.getText();

			

			if(srcData != null)

			{

				StringSelection contents = new StringSelection(srcData);

				clipboard.setContents(contents, this);

				pasteButton.setEnabled(true);

			}

		}

		else if(cmd.equals("paste"))

		{

			// Implement Paste operation

			Transferable content = clipboard.getContents(this);

			if(content != null) 

			{

				try

				{

					String dstData = (String) content.getTransferData(DataFlavor.stringFlavor);

					dstText.append(dstData);

				}

				catch(Exception e)

				{

					System.out.println("Couldn't get contents in format: " + DataFlavor.stringFlavor.getHumanPresentableName());

				}

			}

		}

	}



	public void lostOwnership(Clipboard clipboard, Transferable contents)

	{

		System.out.println("Clipboard contents replaced");

	}

	

	public static void main(String[] args) 

	{

		ClipBoard test = new ClipBoard();

		test.setVisible(true);

	}

}

Getting HTML from Windows clipboard

korakot (Korakot Chaovavanich) — Mon, 13 Mar 2006 21:33:52 GMT

Get the code for class HtmlClipboard() by Phillip Piper here.

Usage



>>> cb = HtmlClipboard()

>>> cb.GetAvailableFormats()

[49161, 49562, 49339, 49560, 49561, 13, 1, 49334, 49335, 49333, 49344, 49478, 49171, 16, 7]

>>> cb.HasHtmlFormat()

True

>>> cb.GetFromClipboard()

>>> cb.htmlClipboardVersion

'0.9'

>>> cb.GetFragment()

'Writing to the clipboard is easy with this code.'

>>> cb.GetSource()

'http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/474121'

>>>

You can also put a html fragment to the clipboard as well.
See more detials in the recipe.

clip function

gregg.irwin (Gregg Irwin) — Tue, 10 Jan 2006 05:08:59 GMT



    clip: func ["write to clipboard shortcut" target /local res] [

        write clipboard://

            res: either any [file? target url? target] [read target] [target]

        res

    ]

setClipboard for Firefox

ma.la (ma.la) — Mon, 09 Jan 2006 19:51:18 GMT

post : 2006-01-10
update : 2006-01-10
maybe work : Firefox1.5 and Opera8.5



function setClipboard(text){

	var url = [

		'data:text/html;charset=utf-8;base64,PGJvZHk+PC9ib2',

		'R5PjxzY3JpcHQgdHlwZT0idGV4dC9qYXZhc2NyaXB0Ij4KKGZ1',

		'bmN0aW9uKGVuY29kZWQpe3ZhciBzd2ZfZGF0YSA9IFsKICdkYX',

		'RhOmFwcGxpY2F0aW9uL3gtc2hvY2t3YXZlLWZsYXNoO2Jhc2U2',

		'NCxRMWRUQjJ3JywKICdBQUFCNG5EUGdZbGpBd01qSTRNejAlMk',

		'YlMkY5JTJGZTJaZkJnYUdhV3dNRE1uNUthJywKICdrTU10TjRH',

		'ZGdaZ1NJTXdaWEZKYW01UUFFJTJCQm9iaTFCTG5uTXlDcFB6RW',

		'9oU0dJJywKICdQRnAlMkZBeHNEREJRa3BGWkRGUUZGQ2d1eVM4',

		'QXlqSTRBRVVCaXkwVndBJTNEJTNEJwpdLmpvaW4oIiIpOwpkb2',

		'N1bWVudC5ib2R5LmlubmVySFRNTCA9IFsKICc8ZW1iZWQgc3Jj',

		'PSInLHN3Zl9kYXRhLCciICcsCiAnRmxhc2hWYXJzPSJjb2RlPS',

		'csZW5jb2RlZCwnIj4nLAogJzwvZW1iZWQ+JwpdLmpvaW4oIiIp',

		'Owp9KSgi',

		base64encode( encodeURIComponent(text) + '")')

	].join("");

	var tmp = document.createElement("div");

	tmp.innerHTML = [

		 '		,' width="0" height="0">'

		,''

	].join("");

	with(tmp.style){

		position ="absolute";

		left = "-10px";

		top  = "-10px";

		visibility = "hidden";

	};

	document.body.appendChild(tmp);

	setTimeout(function(){document.body.removeChild(tmp)},1000);

	function base64encode(str){

		var Chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".split("");

		var c1, c2, c3;

		var buf = [];

		var len = str.length;

		var i = 0;

		while(i < len){

			c1 = str.charCodeAt(i) & 0xff;

			c2 = str.charCodeAt(i+1);

			c3 = str.charCodeAt(i+2);

			buf.push(Chars[(c1 >> 2)]);

			if(i+1 == len){

				buf.push(Chars[(c1 & 0x3) << 4],"==");

				break;

			}

			buf.push(Chars[((c1 & 0x3) << 4) | ((c2 & 0xF0) >> 4)]);

			if(i+2 == len){

				buf.push(Chars[(c2 & 0xF) << 2],"=");

				break;

			}

			buf.push(

				Chars[((c2 & 0xF) << 2) | ((c3 & 0xC0) >> 6)],

				Chars[(c3 & 0x3F)]

			);

			i+=3;

		}

		return buf.join("")

	}

}

here is demo.

just a firefox only
http://la.ma.la/misc/js/setclipboard.txt

Get and set windows clipboard

korakot (Korakot Chaovavanich) — Fri, 16 Sep 2005 19:21:59 GMT

From June Kim's recipe.



import win32clipboard as w 

import win32con



def getText(): 

    w.OpenClipboard() 

    d=w.GetClipboardData(win32con.CF_TEXT) 

    w.CloseClipboard() 

    return d 

 

def setText(aType,aString): 

    w.OpenClipboard()

    w.EmptyClipboard()

    w.SetClipboardData(aType,aString) 

    w.CloseClipboard()