public static void main(String... aArguments) {
TextTransfer textTransfer = new TextTransfer();
// display what is currently on the clipboard
System.out.println("Clipboard contains:" + textTransfer.getClipboardContents());
// change the contents and then re-display
textTransfer.setClipboardContents("blah, blah, blah");
System.out.println("Clipboard contains:" + textTransfer.getClipboardContents());
}
public boolean canPaste(Clipboard clipboard) {
TransferData[] types = clipboard.getAvailableTypes();
Transfer[] transfers = new Transfer[] {TextTransfer.getInstance(), RTFTransfer.getInstance()};
for (int i = 0; i < types.length; i++) {
for (int j = 0; j < transfers.length; j++) {
if (transfers[j].isSupportedType(types[i])) return true;
}
}
return false;
}
/** Returns the data to be transferred in a drag and drop operation. */
@Override
public void dragSetData(DragSourceEvent event) {
if (event.doit == false) return;
if (ModelDataTransfer.getInstance().isSupportedType(event.dataType)) {
event.data = getSelectedModelObjects();
fDragData = event.data;
return;
}
if (TextTransfer.getInstance().isSupportedType(event.dataType)) {
event.data =
createTextualRepresentation((IStructuredSelection) fSelectionProvider.getSelection());
fDragData = null;
return;
}
}
public static void setDragDrop(final Text text) {
Transfer[] types = new Transfer[] {TextTransfer.getInstance()};
int operations = DND.DROP_MOVE | DND.DROP_COPY | DND.DROP_LINK;
final DragSource source = new DragSource(text, operations);
source.setTransfer(types);
source.addDragListener(
new DragSourceListener() {
Point selection;
@Override
public void dragStart(DragSourceEvent e) {
selection = text.getSelection();
e.doit = selection.x != selection.y;
}
@Override
public void dragSetData(DragSourceEvent e) {
e.data = text.getText(selection.x, selection.y - 1);
}
@Override
public void dragFinished(DragSourceEvent e) {
if (e.detail == DND.DROP_MOVE) {
text.setSelection(selection);
text.insert("");
}
selection = null;
}
});
DropTarget target = new DropTarget(text, operations);
target.setTransfer(types);
target.addDropListener(
new DropTargetAdapter() {
@Override
public void drop(DropTargetEvent event) {
if (event.data == null) {
event.detail = DND.DROP_NONE;
return;
}
text.append((String) event.data);
}
});
}
public static void main(String[] args) {
final Display display = new Display();
final Clipboard clipboard = new Clipboard(display);
final Shell shell = new Shell(display, SWT.SHELL_TRIM);
shell.setLayout(new GridLayout());
shell.setText("Clipboard ImageTransfer");
final Button imageButton = new Button(shell, SWT.NONE);
GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true);
gd.minimumHeight = 400;
gd.minimumWidth = 600;
imageButton.setLayoutData(gd);
final Text imageText = new Text(shell, SWT.BORDER);
imageText.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false));
Composite buttons = new Composite(shell, SWT.NONE);
buttons.setLayout(new GridLayout(4, true));
Button button = new Button(buttons, SWT.PUSH);
button.setText("Open");
button.addListener(
SWT.Selection,
event -> {
FileDialog dialog = new FileDialog(shell, SWT.OPEN);
dialog.setText("Open an image file or cancel");
String string = dialog.open();
if (string != null) {
imageButton.setText("");
Image image = imageButton.getImage();
if (image != null) image.dispose();
image = new Image(display, string);
imageButton.setImage(image);
imageText.setText(string);
}
});
button = new Button(buttons, SWT.PUSH);
button.setText("Copy");
button.addListener(
SWT.Selection,
event -> {
Image image = imageButton.getImage();
if (image != null) {
ImageTransfer imageTransfer = ImageTransfer.getInstance();
TextTransfer textTransfer = TextTransfer.getInstance();
clipboard.setContents(
new Object[] {image.getImageData(), imageText.getText()},
new Transfer[] {imageTransfer, textTransfer});
}
});
button = new Button(buttons, SWT.PUSH);
button.setText("Paste");
button.addListener(
SWT.Selection,
event -> {
ImageData imageData = (ImageData) clipboard.getContents(ImageTransfer.getInstance());
if (imageData != null) {
imageButton.setText("");
Image image = imageButton.getImage();
if (image != null) image.dispose();
image = new Image(display, imageData);
imageButton.setImage(image);
} else {
imageButton.setText("No image");
imageButton.setImage(null);
}
String text = (String) clipboard.getContents(TextTransfer.getInstance());
if (text != null) {
imageText.setText(text);
} else {
imageText.setText("");
}
});
button = new Button(buttons, SWT.PUSH);
button.setText("Clear");
button.addListener(
SWT.Selection,
event -> {
imageButton.setText("");
Image image = imageButton.getImage();
if (image != null) image.dispose();
imageButton.setImage(null);
imageText.setText("");
});
shell.pack();
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) display.sleep();
}
display.dispose();
}
/**
* Process the menu events.
*
* @param evt the event.
* @param fff the frame in which the menu is present.
*/
public void processMenuActions(ActionEvent evt, FidoFrame fff) {
ExportTools et = fff.getExportTools();
PrintTools pt = fff.getPrintTools();
CircuitPanel cc = fff.cc;
String arg = evt.getActionCommand();
EditorActions edt = cc.getEditorActions();
CopyPasteActions cpa = cc.getCopyPasteActions();
ElementsEdtActions eea = cc.getContinuosMoveActions();
SelectionActions sa = cc.getSelectionActions();
ParserActions pa = cc.getParserActions();
// Edit the FidoCadJ code of the drawing
if (arg.equals(Globals.messages.getString("Define"))) {
EnterCircuitFrame circuitDialog =
new EnterCircuitFrame(fff, cc.getParserActions().getText(!cc.extStrict).toString());
circuitDialog.setVisible(true);
pa.parseString(new StringBuffer(circuitDialog.getStringCircuit()));
cc.getUndoActions().saveUndoState();
fff.repaint();
} else if (arg.equals(Globals.messages.getString("LibraryUpdate"))) {
// Update libraries
fff.loadLibraries();
fff.show();
} else if (arg.equals(Globals.messages.getString("Circ_opt"))) {
// Options for the current drawing
fff.showPrefs();
} else if (arg.equals(Globals.messages.getString("Layer_opt"))) {
// Options for the layers
DialogLayer layerDialog = new DialogLayer(fff, cc.dmp.getLayers());
layerDialog.setVisible(true);
// It is important that we force a complete recalculation of
// all details in the drawing, otherwise the buffered setup
// will not be responsive to the changes in the layer editing.
cc.dmp.setChanged(true);
fff.repaint();
} else if (arg.equals(Globals.messages.getString("Print"))) {
// Print the current drawing
pt.associateToCircuitPanel(cc);
pt.printDrawing(fff);
} else if (arg.equals(Globals.messages.getString("SaveName"))) {
// Save with name
fff.getFileTools().saveWithName(false);
} else if (arg.equals(Globals.messages.getString("Save_split"))) {
// Save with name, split non standard macros
fff.getFileTools().saveWithName(true);
} else if (arg.equals(Globals.messages.getString("Save"))) {
// Save with the current name (if available)
fff.getFileTools().save(false);
} else if (arg.equals(Globals.messages.getString("New"))) {
// New drawing
fff.createNewInstance();
} else if (arg.equals(Globals.messages.getString("Undo"))) {
// Undo the last action
cc.getUndoActions().undo();
fff.repaint();
} else if (arg.equals(Globals.messages.getString("Redo"))) {
// Redo the last action
cc.getUndoActions().redo();
fff.repaint();
} else if (arg.equals(Globals.messages.getString("About_menu"))) {
// Show the about menu
DialogAbout d = new DialogAbout(fff);
d.setVisible(true);
} else if (arg.equals(Globals.messages.getString("Open"))) {
// Open a file
OpenFile openf = new OpenFile();
openf.setParam(fff);
SwingUtilities.invokeLater(openf);
/*
The following code would require a thread safe implementation
of some of the inner classes (such as CircuitModel), which was
indeed not the case... Now, yes!
*/
/*Thread thread = new Thread(openf);
thread.setDaemon(true);
// Start the thread
thread.start();*/
} else if (arg.equals(Globals.messages.getString("Export"))) {
// Export the current drawing
et.launchExport(fff, cc, fff.getFileTools().openFileDirectory);
} else if (arg.equals(Globals.messages.getString("SelectAll"))) {
// Select all elements in the current drawing
sa.setSelectionAll(true);
// Even if the drawing is not changed, a repaint operation is
// needed since all selected elements are rendered in green.
fff.repaint();
} else if (arg.equals(Globals.messages.getString("Copy"))) {
// Copy all selected elements in the clipboard
cpa.copySelected(!cc.extStrict, false);
} else if (arg.equals(Globals.messages.getString("Copy_split"))) {
// Copy elements, splitting non standard macros
cpa.copySelected(!cc.extStrict, true);
} else if (arg.equals(Globals.messages.getString("Cut"))) {
// Cut all the selected elements
cpa.copySelected(!cc.extStrict, false);
edt.deleteAllSelected(true);
fff.repaint();
} else if (arg.equals(Globals.messages.getString("Mirror_E"))) {
// Mirror all the selected elements
if (eea.isEnteringMacro()) eea.mirrorMacro();
else edt.mirrorAllSelected();
fff.repaint();
} else if (arg.equals(Globals.messages.getString("Rotate"))) {
// 90 degrees rotation of all selected elements
if (eea.isEnteringMacro()) eea.rotateMacro();
else edt.rotateAllSelected();
fff.repaint();
} else if (arg.equals(Globals.messages.getString("Duplicate"))) {
// Duplicate
cpa.copySelected(!cc.extStrict, false);
cpa.paste(cc.getMapCoordinates().getXGridStep(), cc.getMapCoordinates().getYGridStep());
fff.repaint();
} else if (arg.equals(Globals.messages.getString("DefineClipboard"))) {
// Paste as a new circuit
TextTransfer textTransfer = new TextTransfer();
FidoFrame popFrame;
if (cc.getUndoActions().getModified()) {
popFrame = fff.createNewInstance();
} else {
popFrame = fff;
}
pa.parseString(new StringBuffer(textTransfer.getClipboardContents()));
fff.repaint();
} else if (arg.equals(Globals.messages.getString("Paste"))) {
// Paste some graphical elements
cpa.paste(cc.getMapCoordinates().getXGridStep(), cc.getMapCoordinates().getYGridStep());
fff.repaint();
} else if (arg.equals(Globals.messages.getString("Close"))) {
// Close the current window
if (!fff.getFileTools().checkIfToBeSaved()) {
return;
}
fff.setVisible(false);
cc.getUndoActions().doTheDishes();
fff.dispose();
Globals.openWindows.remove(fff);
--Globals.openWindowsNumber;
if (Globals.openWindowsNumber < 1) System.exit(0);
}
}