/** Get the clipboard contents. */
public static Object getClipboard() {
Object result = contents;
try {
Clipboard cb = Toolkit.getDefaultToolkit().getSystemClipboard();
Transferable trans = cb.getContents(requestor);
// get clipboard content
try {
Object sysContent = trans.getTransferData(DataFlavor.stringFlavor);
if (sysContent != null) {
if (sysContent instanceof String) {
String str = (String) sysContent;
// for empty string: take contents of ClipboardHelper
if (str.trim().length() == 0) {
result = contents;
} else {
result = str;
}
}
}
} catch (java.io.IOException e) {
// e.printStackTrace();
result = contents;
} catch (UnsupportedFlavorException e) {
// e.printStackTrace();
result = contents;
}
} catch (Throwable t) {
// we're in Communicator or something again....
}
return result;
}
/**
* @return the clipboard content as a String (DataFlavor.stringFlavor) Code snippet adapted from
* jEdit (Registers.java), http://www.jedit.org. Returns null if clipboard is empty.
*/
public static String getClipboardStringContent(Clipboard clipboard) {
// Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
try {
String selection =
(String) (clipboard.getContents(null).getTransferData(DataFlavor.stringFlavor));
if (selection == null) return null;
boolean trailingEOL =
(selection.endsWith("\n") || selection.endsWith(System.getProperty("line.separator")));
// Some Java versions return the clipboard contents using the native line separator,
// so have to convert it here , see jEdit's "registers.java"
BufferedReader in = new BufferedReader(new StringReader(selection));
StringBuffer buf = new StringBuffer();
String line;
while ((line = in.readLine()) != null) {
buf.append(line);
buf.append('\n');
}
// remove trailing \n
if (!trailingEOL) buf.setLength(buf.length() - 1);
return buf.toString();
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
/**
* Returns the clipboard text.
*
* @return text
*/
static final String clip() {
// copy selection to clipboard
final Clipboard clip = Toolkit.getDefaultToolkit().getSystemClipboard();
final Transferable tr = clip.getContents(null);
if (tr != null) {
for (final Object o : BaseXLayout.contents(tr)) return o.toString();
}
return "";
}
/**
* Returns the clipboard text.
*
* @return text
*/
private static String clip() {
// copy selection to clipboard
final Clipboard clip = Toolkit.getDefaultToolkit().getSystemClipboard();
final Transferable tr = clip.getContents(null);
if (tr != null) {
final ArrayList<Object> contents = BaseXLayout.contents(tr);
if (!contents.isEmpty()) return contents.get(0).toString();
} else {
Util.debug("Clipboard has no contents.");
}
return null;
}
/**
* This method is activated on the Keystrokes we are listening to in this implementation. Here it
* listens for Copy and Paste ActionCommands. Selections comprising non-adjacent cells result in
* invalid selection and then copy action cannot be performed. Paste is done by aligning the upper
* left corner of the selection with the 1st element in the current selection of the JTable.
*/
public void actionPerformed(ActionEvent e) {
if (e.getActionCommand().compareTo("Copy") == 0) {
StringBuffer sbf = new StringBuffer();
// Check to ensure we have selected only a contiguous block of
// cells
int numcols = jTable1.getSelectedColumnCount();
int numrows = jTable1.getSelectedRowCount();
int[] rowsselected = jTable1.getSelectedRows();
int[] colsselected = jTable1.getSelectedColumns();
if (!((numrows - 1 == rowsselected[rowsselected.length - 1] - rowsselected[0]
&& numrows == rowsselected.length)
&& (numcols - 1 == colsselected[colsselected.length - 1] - colsselected[0]
&& numcols == colsselected.length))) {
JOptionPane.showMessageDialog(
null, "Invalid Copy Selection", "Invalid Copy Selection", JOptionPane.ERROR_MESSAGE);
return;
}
for (int i = 0; i < numrows; i++) {
for (int j = 0; j < numcols; j++) {
sbf.append(jTable1.getValueAt(rowsselected[i], colsselected[j]));
if (j < numcols - 1) sbf.append("\t");
}
sbf.append("\n");
}
stsel = new StringSelection(sbf.toString());
system = Toolkit.getDefaultToolkit().getSystemClipboard();
system.setContents(stsel, stsel);
}
if (e.getActionCommand().compareTo("Paste") == 0) {
System.out.println("Trying to Paste");
int startRow = (jTable1.getSelectedRows())[0];
int startCol = (jTable1.getSelectedColumns())[0];
try {
String trstring =
(String) (system.getContents(this).getTransferData(DataFlavor.stringFlavor));
System.out.println("String is:" + trstring);
StringTokenizer st1 = new StringTokenizer(trstring, "\n");
for (int i = 0; st1.hasMoreTokens(); i++) {
rowstring = st1.nextToken();
StringTokenizer st2 = new StringTokenizer(rowstring, "\t");
for (int j = 0; st2.hasMoreTokens(); j++) {
value = (String) st2.nextToken();
if (startRow + i < jTable1.getRowCount() && startCol + j < jTable1.getColumnCount())
jTable1.setValueAt(value, startRow + i, startCol + j);
System.out.println(
"Putting " + value + "at row = " + startRow + i + "column = " + startCol + j);
}
}
} catch (Exception ex) {
ex.printStackTrace();
}
}
}
// Called from native widget when paste key is pressed and we
// already own the selection (prevents Motif from hanging while
// waiting for the selection)
//
// NOTE: This method is called by privileged threads.
// DO NOT INVOKE CLIENT CODE ON THIS THREAD!
public void pasteFromClipboard() {
Clipboard clipboard = target.getToolkit().getSystemClipboard();
Transferable content = clipboard.getContents(this);
if (content != null) {
try {
String data = (String) (content.getTransferData(DataFlavor.stringFlavor));
insertReplaceText(data);
} catch (Exception e) {
}
}
}
/** Inserts the clipboard contents into the text. */
public void paste() {
if (editable) {
Clipboard clipboard = getToolkit().getSystemClipboard();
try {
// The MacOS MRJ doesn't convert \r to \n,
// so do it here
String selection =
((String) clipboard.getContents(this).getTransferData(DataFlavor.stringFlavor))
.replace('\r', '\n');
int repeatCount = inputHandler.getRepeatCount();
StringBuffer buf = new StringBuffer();
for (int i = 0; i < repeatCount; i++) buf.append(selection);
selection = buf.toString();
setSelectedText(selection);
} catch (Exception e) {
getToolkit().beep();
System.err.println("Clipboard does not" + " contain a string");
}
}
}
/**
* Paste the contents of the clipboard into the console buffer
*
* @return true if clipboard contents pasted
*/
public boolean paste() throws IOException {
Clipboard clipboard;
try { // May throw ugly exception on system without X
clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
} catch (Exception e) {
return false;
}
if (clipboard == null) {
return false;
}
Transferable transferable = clipboard.getContents(null);
if (transferable == null) {
return false;
}
try {
Object content = transferable.getTransferData(DataFlavor.plainTextFlavor);
/*
* This fix was suggested in bug #1060649 at
* http://sourceforge.net/tracker/index.php?func=detail&aid=1060649&group_id=64033&atid=506056
* to get around the deprecated DataFlavor.plainTextFlavor, but it
* raises a UnsupportedFlavorException on Mac OS X
*/
if (content == null) {
try {
content = new DataFlavor().getReaderForText(transferable);
} catch (Exception e) {
}
}
if (content == null) {
return false;
}
String value;
if (content instanceof Reader) {
// TODO: we might want instead connect to the input stream
// so we can interpret individual lines
value = "";
String line = null;
for (BufferedReader read = new BufferedReader((Reader) content);
(line = read.readLine()) != null; ) {
if (value.length() > 0) {
value += "\n";
}
value += line;
}
} else {
value = content.toString();
}
if (value == null) {
return true;
}
putString(value);
return true;
} catch (UnsupportedFlavorException ufe) {
if (debugger != null) debug(ufe + "");
return false;
}
}
