/** Draws the background annoations. */
private void draw(
final ExecutionUnit process,
final Graphics2D g2,
final ProcessRendererModel rendererModel,
final boolean printing) {
if (!visualizer.isActive()) {
return;
}
// background annotations
WorkflowAnnotations annotations = rendererModel.getProcessAnnotations(process);
if (annotations != null) {
for (WorkflowAnnotation anno : annotations.getAnnotationsDrawOrder()) {
// selected is drawn by highlight decorator
if (anno.equals(model.getSelected())) {
continue;
}
// paint the annotation itself
Graphics2D g2P = (Graphics2D) g2.create();
drawer.drawAnnotation(anno, g2P, printing);
g2P.dispose();
}
}
}
/**
* Updates the position and size of the edit panel relative to the given location.
*
* @param loc the location the edit panel should be relative to
* @param absolute if {@code true} the loc is treated as absolute position on the process
* renderer; if {@code false} it is treated as relative to the current process
*/
private void updateEditPanelPosition(final Rectangle2D loc, final boolean absolute) {
int panelX = (int) loc.getCenterX() - EDIT_PANEL_WIDTH / 2;
int panelY = (int) loc.getY() - EDIT_PANEL_HEIGHT - ProcessDrawer.PADDING;
// if panel would be outside process renderer, fix it
if (panelX < WorkflowAnnotation.MIN_X) {
panelX = WorkflowAnnotation.MIN_X;
}
if (panelY < 0) {
panelY = (int) loc.getMaxY() + ProcessDrawer.PADDING;
}
// last fallback is cramped to the bottom. If that does not fit either, don't care
if (panelY + EDIT_PANEL_HEIGHT > view.getSize().getHeight() - ProcessDrawer.PADDING * 2) {
panelY = (int) loc.getMaxY();
}
int index = view.getModel().getProcessIndex(model.getSelected().getProcess());
if (absolute) {
editPanel.setBounds(panelX, panelY, EDIT_PANEL_WIDTH, EDIT_PANEL_HEIGHT);
} else {
Point absoluteP =
ProcessDrawUtils.convertToAbsoluteProcessPoint(
new Point(panelX, panelY), index, rendererModel);
editPanel.setBounds(
(int) absoluteP.getX(), (int) absoluteP.getY(), EDIT_PANEL_WIDTH, EDIT_PANEL_HEIGHT);
}
}
/**
* Calculates the preferred height of the editor pane with the given fixed width.
*
* @param width the width of the pane
* @return the preferred height given the current editor pane content or {@code -1} if there was a
* problem. Value will never exceed {@link WorkflowAnnotation#MAX_HEIGHT}
*/
private int getContentHeightOfEditor(final int width) {
HTMLDocument document = (HTMLDocument) editPane.getDocument();
StringWriter writer = new StringWriter();
try {
editPane.getEditorKit().write(writer, document, 0, document.getLength());
} catch (IndexOutOfBoundsException | IOException | BadLocationException e1) {
// should not happen
return -1;
}
String comment = writer.toString();
comment = AnnotationDrawUtils.removeStyleFromComment(comment);
int maxHeight =
model.getSelected() instanceof ProcessAnnotation
? ProcessAnnotation.MAX_HEIGHT
: OperatorAnnotation.MAX_HEIGHT;
return Math.min(
AnnotationDrawUtils.getContentHeight(
AnnotationDrawUtils.createStyledCommentString(comment, model.getSelected().getStyle()),
width),
maxHeight);
}
/**
* Start inline editing of the selected annotation. If no annotation is selected, does nothing.
*/
public void editSelected() {
if (model.getSelected() == null) {
return;
}
// editor to actually edit comment string
removeEditor();
createEditor();
// panel to edit alignment and color
createEditPanel();
editPane.requestFocusInWindow();
view.repaint();
}
/** Draws the selected annotation. */
private void draw(
final ExecutionUnit process,
final Graphics2D g2,
final ProcessRendererModel rendererModel,
final boolean printing) {
if (!visualizer.isActive()) {
return;
}
// paint the selected annotation
WorkflowAnnotation selected = model.getSelected();
if (selected != null) {
// only draw in correct execution unit
if (selected.getProcess().equals(process)) {
// only paint annotation if not editing
if (editPane == null) {
// paint the annotation itself
Graphics2D g2P = (Graphics2D) g2.create();
drawer.drawAnnotation(selected, g2P, printing);
g2P.dispose();
} else {
// only paint shadow
Rectangle2D loc = selected.getLocation();
g2.draw(
new Rectangle2D.Double(
loc.getX() - 1,
loc.getY() - 1,
editPane.getBounds().getWidth() + 1,
editPane.getBounds().getHeight() + 1));
Rectangle2D shadowFrameEditor =
new Rectangle2D.Double(
loc.getX(),
loc.getY(),
editPane.getBounds().getWidth() + 1,
editPane.getBounds().getHeight() + 1);
ProcessDrawUtils.drawShadow(shadowFrameEditor, g2);
if (editPanel != null) {
Point absolute = new Point(editPanel.getX(), editPanel.getY());
Point relative =
ProcessDrawUtils.convertToRelativePoint(
absolute, rendererModel.getProcessIndex(process), rendererModel);
Rectangle2D shadowFramePanel =
new Rectangle2D.Double(
relative.getX(), relative.getY(), EDIT_PANEL_WIDTH, EDIT_PANEL_HEIGHT);
ProcessDrawUtils.drawShadow(shadowFramePanel, g2);
}
}
}
}
}
/** Draws the annotation for the given operator (if he has one). */
private void drawOpAnno(
final Operator operator,
final Graphics2D g2,
final ProcessRendererModel rendererModel,
final boolean printing) {
WorkflowAnnotations annotations = rendererModel.getOperatorAnnotations(operator);
if (annotations == null) {
return;
}
for (WorkflowAnnotation anno : annotations.getAnnotationsDrawOrder()) {
// selected is drawn by highlight decorator
if (anno.equals(model.getSelected())) {
continue;
}
// paint the annotation itself
Graphics2D g2P = (Graphics2D) g2.create();
drawer.drawAnnotation(anno, g2P, printing);
g2P.dispose();
}
}
/**
* Creates and adds the edit panel for the currently selected annotation to the process renderer.
*/
private void createEditPanel() {
final WorkflowAnnotation selected = model.getSelected();
Rectangle2D loc = selected.getLocation();
// panel containing buttons
editPanel = new JPanel();
editPanel.setCursor(Cursor.getDefaultCursor());
editPanel.setLayout(new BoxLayout(editPanel, BoxLayout.LINE_AXIS));
updateEditPanelPosition(loc, false);
editPanel.setOpaque(true);
editPanel.setBorder(BorderFactory.createLineBorder(Color.BLACK));
// consume mouse events so focus is not lost
editPanel.addMouseListener(
new MouseAdapter() {
@Override
public void mouseReleased(MouseEvent e) {
e.consume();
}
@Override
public void mousePressed(MouseEvent e) {
e.consume();
}
@Override
public void mouseClicked(MouseEvent e) {
e.consume();
}
});
// add alignment controls
final List<JButton> alignmentButtonList = new LinkedList<JButton>();
for (AnnotationAlignment align : AnnotationAlignment.values()) {
final Action action = align.makeAlignmentChangeAction(model, model.getSelected());
final JButton alignButton = new JButton();
alignButton.setIcon((Icon) action.getValue(Action.SMALL_ICON));
alignButton.setBorderPainted(false);
alignButton.setBorder(null);
alignButton.setFocusable(false);
if (align == selected.getStyle().getAnnotationAlignment()) {
alignButton.setBackground(Color.LIGHT_GRAY);
}
alignButton.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
removeColorPanel();
colorButton.setBackground(null);
for (JButton button : alignmentButtonList) {
button.setBackground(null);
}
alignButton.setBackground(Color.LIGHT_GRAY);
int caretPos = editPane.getCaretPosition();
// remember if we were at last position because doc length can change after 1st
// save
boolean lastPos = caretPos == editPane.getDocument().getLength();
int selStart = editPane.getSelectionStart();
int selEnd = editPane.getSelectionEnd();
// change alignment and save current comment
action.actionPerformed(e);
saveEdit(selected);
// reload edit pane with changes
editPane.setText(AnnotationDrawUtils.createStyledCommentString(selected));
// special handling for documents of length 1 to avoid not being able to type
if (editPane.getDocument().getLength() == 1) {
caretPos = 1;
} else if (lastPos) {
caretPos = editPane.getDocument().getLength();
} else {
caretPos = Math.min(editPane.getDocument().getLength(), caretPos);
}
editPane.setCaretPosition(caretPos);
if (selEnd - selStart > 0) {
editPane.setSelectionStart(selStart);
editPane.setSelectionEnd(selEnd);
}
editPane.requestFocusInWindow();
}
});
editPanel.add(alignButton);
alignmentButtonList.add(alignButton);
}
// add small empty space
editPanel.add(Box.createHorizontalStrut(2));
// add color controls
colorOverlay = new JDialog(ApplicationFrame.getApplicationFrame());
colorOverlay.setCursor(Cursor.getDefaultCursor());
colorOverlay
.getRootPane()
.setLayout(new BoxLayout(colorOverlay.getRootPane(), BoxLayout.LINE_AXIS));
colorOverlay.setUndecorated(true);
colorOverlay.getRootPane().setBorder(BorderFactory.createLineBorder(Color.LIGHT_GRAY));
colorOverlay.setFocusable(false);
colorOverlay.setAutoRequestFocus(false);
// consume mouse events so focus is not lost
colorOverlay.addMouseListener(
new MouseAdapter() {
@Override
public void mouseReleased(MouseEvent e) {
e.consume();
}
@Override
public void mousePressed(MouseEvent e) {
e.consume();
}
@Override
public void mouseClicked(MouseEvent e) {
e.consume();
}
});
for (final AnnotationColor color : AnnotationColor.values()) {
final Action action = color.makeColorChangeAction(model, selected);
JButton colChangeButton = new JButton();
colChangeButton.setText(null);
colChangeButton.setBorderPainted(false);
colChangeButton.setBorder(null);
colChangeButton.setFocusable(false);
final Icon icon =
SwingTools.createIconFromColor(
color.getColor(), Color.BLACK, 16, 16, new Rectangle2D.Double(1, 1, 14, 14));
colChangeButton.setIcon(icon);
colChangeButton.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
// change color and save current comment
action.actionPerformed(e);
saveEdit(selected);
// set edit pane bg color
editPane.requestFocusInWindow();
if (color == AnnotationColor.TRANSPARENT) {
editPane.setBackground(Color.WHITE);
} else {
editPane.setBackground(color.getColorHighlight());
}
// adapt color of main button, remove color panel
colorButton.setIcon(icon);
if (removeColorPanel()) {
colorButton.setBackground(null);
view.repaint();
}
}
});
colorOverlay.getRootPane().add(colChangeButton);
}
colorButton = new JButton("\u25BE");
colorButton.setBorderPainted(false);
colorButton.setFocusable(false);
AnnotationColor color = selected.getStyle().getAnnotationColor();
colorButton.setIcon(
SwingTools.createIconFromColor(
color.getColor(), Color.BLACK, 16, 16, new Rectangle2D.Double(1, 1, 14, 14)));
colorButton.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
if (removeColorPanel()) {
colorButton.setBackground(null);
view.repaint();
return;
}
updateColorPanelPosition();
colorOverlay.setVisible(true);
colorButton.setBackground(Color.LIGHT_GRAY);
editPane.requestFocusInWindow();
view.repaint();
}
});
editPanel.add(colorButton);
// add separator
JLabel separator =
new JLabel() {
private static final long serialVersionUID = 1L;
@Override
public void paintComponent(Graphics g) {
Graphics2D g2 = (Graphics2D) g;
g2.setColor(Color.LIGHT_GRAY);
g2.drawLine(2, 0, 2, 20);
}
};
separator.setText(" "); // dummy text to show label
editPanel.add(separator);
// add delete button
final JButton deleteButton =
new JButton(
I18N.getMessage(I18N.getGUIBundle(), "gui.action.workflow.annotation.delete.label"));
deleteButton.setForeground(Color.RED);
deleteButton.setContentAreaFilled(false);
deleteButton.setFocusable(false);
deleteButton.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
model.deleteAnnotation(selected);
removeEditor();
}
});
deleteButton.addMouseListener(
new MouseAdapter() {
@Override
@SuppressWarnings({"unchecked", "rawtypes"})
public void mouseExited(MouseEvent e) {
Font font = deleteButton.getFont();
Map attributes = font.getAttributes();
attributes.put(TextAttribute.UNDERLINE, -1);
deleteButton.setFont(font.deriveFont(attributes));
}
@SuppressWarnings({"unchecked", "rawtypes"})
@Override
public void mouseEntered(MouseEvent e) {
Font font = deleteButton.getFont();
Map attributes = font.getAttributes();
attributes.put(TextAttribute.UNDERLINE, TextAttribute.UNDERLINE_ON);
deleteButton.setFont(font.deriveFont(attributes));
}
});
editPanel.add(deleteButton);
// add panel to view
view.add(editPanel);
}
/**
* Creates and adds the JEditorPane for the currently selected annotation to the process renderer.
*/
private void createEditor() {
final WorkflowAnnotation selected = model.getSelected();
Rectangle2D loc = selected.getLocation();
// JEditorPane to edit the comment string
editPane = new JEditorPane("text/html", "");
editPane.setBorder(null);
int paneX = (int) loc.getX();
int paneY = (int) loc.getY();
int index = view.getModel().getProcessIndex(selected.getProcess());
Point absolute =
ProcessDrawUtils.convertToAbsoluteProcessPoint(
new Point(paneX, paneY), index, rendererModel);
editPane.setBounds(
(int) absolute.getX(), (int) absolute.getY(), (int) loc.getWidth(), (int) loc.getHeight());
editPane.setText(AnnotationDrawUtils.createStyledCommentString(selected));
// use proxy for paste actions to trigger reload of editor after paste
Action pasteFromClipboard = editPane.getActionMap().get(PASTE_FROM_CLIPBOARD_ACTION_NAME);
Action paste = editPane.getActionMap().get(PASTE_ACTION_NAME);
if (pasteFromClipboard != null) {
editPane
.getActionMap()
.put(
PASTE_FROM_CLIPBOARD_ACTION_NAME,
new PasteAnnotationProxyAction(pasteFromClipboard, this));
}
if (paste != null) {
editPane.getActionMap().put(PASTE_ACTION_NAME, new PasteAnnotationProxyAction(paste, this));
}
// use proxy for transfer actions to convert e.g. HTML paste to plaintext paste
editPane.setTransferHandler(new TransferHandlerAnnotationPlaintext(editPane));
// IMPORTANT: Linebreaks do not work without the following!
// this filter inserts a \r every time the user enters a newline
// this signal is later used to convert newline to <br/>
((HTMLDocument) editPane.getDocument())
.setDocumentFilter(
new DocumentFilter() {
@Override
public void insertString(
DocumentFilter.FilterBypass fb, int offs, String str, AttributeSet a)
throws BadLocationException {
// this is never called..
super.insertString(
fb,
offs,
str.replaceAll("\n", "\n" + AnnotationDrawUtils.ANNOTATION_HTML_NEWLINE_SIGNAL),
a);
}
@Override
public void replace(FilterBypass fb, int offs, int length, String str, AttributeSet a)
throws BadLocationException {
if (selected instanceof OperatorAnnotation) {
// operator annotations have a character limit, enforce here
try {
int existingLength =
AnnotationDrawUtils.getPlaintextFromEditor(editPane, false).length()
- length;
if (existingLength + str.length() > OperatorAnnotation.MAX_CHARACTERS) {
// insert at beginning or end is fine, cut off excess characters
if (existingLength <= 0 || offs >= existingLength) {
int acceptableLength = OperatorAnnotation.MAX_CHARACTERS - existingLength;
int newLength = Math.max(acceptableLength, 0);
str = str.substring(0, newLength);
} else {
// inserting into middle, do NOT paste at all
return;
}
}
} catch (IOException e) {
// should not happen, if it does this is our smallest problem -> ignore
}
}
super.replace(
fb,
offs,
length,
str.replaceAll("\n", "\n" + AnnotationDrawUtils.ANNOTATION_HTML_NEWLINE_SIGNAL),
a);
}
});
// set background color
if (selected.getStyle().getAnnotationColor() == AnnotationColor.TRANSPARENT) {
editPane.setBackground(Color.WHITE);
} else {
editPane.setBackground(selected.getStyle().getAnnotationColor().getColorHighlight());
}
editPane.addFocusListener(
new FocusAdapter() {
@Override
public void focusLost(final FocusEvent e) {
// right-click menu
if (e.isTemporary()) {
return;
}
if (editPane != null && e.getOppositeComponent() != null) {
// style edit menu, no real focus loss
if (SwingUtilities.isDescendingFrom(e.getOppositeComponent(), editPanel)) {
return;
}
if (SwingUtilities.isDescendingFrom(e.getOppositeComponent(), colorOverlay)) {
return;
}
if (colorOverlay.getParent() == e.getOppositeComponent()) {
return;
}
saveEdit(selected);
removeEditor();
}
}
});
editPane.addKeyListener(
new KeyAdapter() {
/** keep track of control down so Ctrl+Enter works but Enter+Ctrl not */
private boolean controlDown;
@Override
public void keyPressed(final KeyEvent e) {
if (e.getKeyCode() == KeyEvent.VK_CONTROL) {
controlDown = true;
}
// consume so undo/redo etc are not passed to the process
if (SwingTools.isControlOrMetaDown(e) && e.getKeyCode() == KeyEvent.VK_Z
|| e.getKeyCode() == KeyEvent.VK_Y) {
e.consume();
}
}
@Override
public void keyReleased(final KeyEvent e) {
switch (e.getKeyCode()) {
case KeyEvent.VK_CONTROL:
controlDown = false;
break;
case KeyEvent.VK_ENTER:
if (!controlDown) {
updateEditorHeight(selected);
} else {
// if control was down before Enter was pressed, save & exit
saveEdit(selected);
removeEditor();
model.setSelected(null);
}
break;
case KeyEvent.VK_ESCAPE:
// ignore changes on escape
removeEditor();
model.setSelected(null);
break;
default:
break;
}
}
});
editPane
.getDocument()
.addDocumentListener(
new DocumentListener() {
@Override
public void removeUpdate(DocumentEvent e) {
updateEditorHeight(selected);
}
@Override
public void insertUpdate(DocumentEvent e) {
updateEditorHeight(selected);
}
@Override
public void changedUpdate(DocumentEvent e) {
updateEditorHeight(selected);
}
});
view.add(editPane);
editPane.selectAll();
}