/**
* Create a Transferable to use as the source for a data transfer.
*
* @param c The component holding the data to be transfered. This argument is provided to enable
* sharing of TransferHandlers by multiple components.
* @return The representation of the data to be transfered.
*/
protected Transferable createTransferable(JComponent c) {
Object[] values = null;
if (c instanceof JList) {
values = ((JList) c).getSelectedValues();
} else if (c instanceof JTable) {
JTable table = (JTable) c;
int[] rows = table.getSelectedRows();
if (rows != null) {
values = new Object[rows.length];
for (int i = 0; i < rows.length; i++) {
values[i] = table.getValueAt(rows[i], 0);
}
}
}
if (values == null || values.length == 0) {
return null;
}
StringBuffer plainBuf = new StringBuffer();
StringBuffer htmlBuf = new StringBuffer();
htmlBuf.append("<html>\n<body>\n<ul>\n");
for (Object obj : values) {
String val = ((obj == null) ? "" : obj.toString());
plainBuf.append(val + "\n");
htmlBuf.append(" <li>" + val + "\n");
}
// remove the last newline
plainBuf.deleteCharAt(plainBuf.length() - 1);
htmlBuf.append("</ul>\n</body>\n</html>");
return new FileTransferable(plainBuf.toString(), htmlBuf.toString(), values);
}
private String bigIntToHexString(BigInteger bi) {
StringBuffer buf = new StringBuffer();
buf.append("0x");
String val = bi.toString(16);
for (int i = 0; i < ((2 * addressSize) - val.length()); i++) {
buf.append('0');
}
buf.append(val);
return buf.toString();
}
/**
* Return the number of characters that will be printed when the specified character is echoed to
* the screen. Adapted from cat by Torbjorn Granlund, as repeated in stty by David MacKenzie.
*/
StringBuffer getPrintableCharacters(char ch) {
StringBuffer sbuff = new StringBuffer();
if (ch >= 32) {
if (ch < 127) {
sbuff.append(ch);
} else if (ch == 127) {
sbuff.append('^');
sbuff.append('?');
} else {
sbuff.append('M');
sbuff.append('-');
if (ch >= (128 + 32)) {
if (ch < (128 + 127)) {
sbuff.append((char) (ch - 128));
} else {
sbuff.append('^');
sbuff.append('?');
}
} else {
sbuff.append('^');
sbuff.append((char) (ch - 128 + 64));
}
}
} else {
sbuff.append('^');
sbuff.append((char) (ch + 64));
}
return sbuff;
}
/**
* 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();
}
}
}
/**
* @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;
}
}
public String getStringreprasentation() {
StringBuffer sb = new StringBuffer();
Vector<RowContainer> vec = getFilevector();
for (RowContainer c : vec) {
sb.append(c.getFile().getAbsolutePath()).append('\n');
}
return sb.toString();
}
/** Returns the selected text, or null if no selection is active. */
public final String getSelectedText() {
if (selectionStart == selectionEnd) return null;
if (rectSelect) {
// Return each row of the selection on a new line
Element map = document.getDefaultRootElement();
int start = selectionStart - map.getElement(selectionStartLine).getStartOffset();
int end = selectionEnd - map.getElement(selectionEndLine).getStartOffset();
// Certain rectangles satisfy this condition...
if (end < start) {
int tmp = end;
end = start;
start = tmp;
}
StringBuffer buf = new StringBuffer();
Segment seg = new Segment();
for (int i = selectionStartLine; i <= selectionEndLine; i++) {
Element lineElement = map.getElement(i);
int lineStart = lineElement.getStartOffset();
int lineEnd = lineElement.getEndOffset() - 1;
int lineLen = lineEnd - lineStart;
lineStart = Math.min(lineStart + start, lineEnd);
lineLen = Math.min(end - start, lineEnd - lineStart);
getText(lineStart, lineLen, seg);
buf.append(seg.array, seg.offset, seg.count);
if (i != selectionEndLine) buf.append('\n');
}
return buf.toString();
} else {
return getText(selectionStart, selectionEnd - selectionStart);
}
}
/**
* format a given Font to a string, following "Font.decode()" format, ie fontname-style-pointsize,
* fontname-pointsize, fontname-style or fontname, where style is one of "BOLD", "ITALIC",
* "BOLDITALIC" (default being PLAIN)
*/
public static String formatFontAsProperties(Font font) {
// jpicedt.Log.debug(new MiscUtilities(),"formatFontAsProperties","font="+font);
String family = font.getFamily();
/*
System.out.println("family="+family);
String faceName = font.getFontName();
System.out.println("faceName="+faceName);
String logicalName = font.getName();
System.out.println("logicalName"+logicalName);
String psName = font.getPSName();
System.out.println("PSName="+psName);
*/
StringBuffer buf = new StringBuffer(20);
buf.append(family);
buf.append("-");
switch (font.getStyle()) {
case Font.ITALIC:
buf.append("ITALIC-");
break;
case Font.BOLD:
buf.append("BOLD-");
break;
case Font.BOLD | Font.ITALIC:
buf.append("BOLDITALIC-");
break;
default: // PLAIN -> nothing
}
buf.append(Integer.toString(font.getSize()));
return buf.toString();
}
/** Import the given stream data into the text component. */
protected void handleReaderImport(Reader in, JTextComponent c)
throws BadLocationException, IOException {
char[] buff = new char[1024];
int nch;
boolean lastWasCR = false;
int last;
StringBuffer sbuff = null;
// Read in a block at a time, mapping \r\n to \n, as well as single
// \r to \n.
while ((nch = in.read(buff, 0, buff.length)) != -1) {
if (sbuff == null) {
sbuff = new StringBuffer(nch);
}
last = 0;
for (int counter = 0; counter < nch; counter++) {
switch (buff[counter]) {
case '\r':
if (lastWasCR) {
if (counter == 0) sbuff.append('\n');
else buff[counter - 1] = '\n';
} else lastWasCR = true;
break;
case '\n':
if (lastWasCR) {
if (counter > (last + 1)) sbuff.append(buff, last, counter - last - 1);
// else nothing to do, can skip \r, next write will
// write \n
lastWasCR = false;
last = counter;
}
break;
default:
if (lastWasCR) {
if (counter == 0) sbuff.append('\n');
else buff[counter - 1] = '\n';
lastWasCR = false;
}
break;
} // End fo switch (buff[counter]).
} // End of for (int counter = 0; counter < nch; counter++).
if (last < nch) {
if (lastWasCR) {
if (last < (nch - 1)) sbuff.append(buff, last, nch - last - 1);
} else sbuff.append(buff, last, nch - last);
}
} // End of while ((nch = in.read(buff, 0, buff.length)) != -1).
if (withinSameComponent) {
((RTextArea) c).beginAtomicEdit();
}
if (lastWasCR) sbuff.append('\n');
c.replaceSelection(sbuff != null ? sbuff.toString() : "");
}
/** Places the selected text into the clipboard. */
public void copy() {
if (selectionStart != selectionEnd) {
Clipboard clipboard = getToolkit().getSystemClipboard();
String selection = getSelectedText();
int repeatCount = inputHandler.getRepeatCount();
StringBuffer buf = new StringBuffer();
for (int i = 0; i < repeatCount; i++) buf.append(selection);
clipboard.setContents(new StringSelection(buf.toString()), null);
}
}
private String readLine(InputStream in) throws IOException {
StringBuffer buf = new StringBuffer();
while (true) {
int i = in.read();
if ((i == -1) || (i == '\n') || (i == '\r')) {
return buf.toString();
}
buf.append((char) i);
}
// return new BufferedReader (new InputStreamReader (in)).readLine ();
}
/** 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");
}
}
}
private StringBuffer getDataFromReader(Reader br) {
StringBuffer xferData = null;
char[] buf = new char[513];
int charsRead;
try {
do {
charsRead = br.read(buf, 0, 512);
if (charsRead != -1) {
JConfig.log().logVerboseDebug("Read: " + charsRead + " characters.");
if (xferData == null) {
xferData = new StringBuffer();
}
xferData.append(buf, 0, charsRead);
}
} while (charsRead != -1);
br.close();
} catch (IOException e) {
JConfig.log().logDebug("Caught an IO Exception trying to read the drag/drop data!");
return null;
}
return xferData;
}
/**
* Append <i>toPad</i> to the specified <i>appendTo</i>, as well as (<i>toPad.length () - len</i>)
* spaces.
*
* @param toPad the {@link String} to pad
* @param len the target length
* @param appendTo the {@link StringBuffer} to which to append the padded {@link String}.
*/
private final void pad(final String toPad, final int len, final StringBuffer appendTo) {
appendTo.append(toPad);
for (int i = 0; i < (len - toPad.length()); i++, appendTo.append(' ')) {;
}
}
private String fixLinuxString(String s) {
StringBuffer sb = new StringBuffer(200);
for (int i = 0; i < s.length(); i += 2) sb.append(s.charAt(i));
return new String(sb);
}