private void replaceContent() {
try {
setContentFromString(context.getTextEditor().getText());
} catch (TermVisualizationException e) {
ErrorDialog.openError(
context.getTextEditor().getShell(),
"Error Updating Element",
"The following error has occured: " + e.getMessage(),
Status.OK_STATUS);
} catch (PrologException e) {
e.printStackTrace();
} catch (TermInstantiationException e) {
e.printStackTrace();
} catch (ExecutionContextException e) {
e.printStackTrace();
}
}
public void focusGained(org.eclipse.swt.events.FocusEvent event) {
VisualTerm previousFocused = context.getFocused();
if (previousFocused != null) previousFocused.lostFocus();
context.setFocused(this);
LineBorder focusBorder = new LineBorder();
focusBorder.setStyle(Graphics.LINE_DASH);
focusBorder.setColor(getColor());
focusBorder.setWidth(1);
setBorder(focusBorder);
context.selectionChanged(this);
if (canModify()) {
try {
String text = termToText();
context.getTextEditor().setText(text);
context.getTextEditor().setEnabled(true);
context.getTextEditor().setSelection(0, text.length());
context.getTextEditor().addKeyListener(this);
context.getTextEditor().setFocus();
Viewport viewport = ((FigureCanvas) getCanvas()).getViewport();
Point p = viewport.getViewLocation();
if (p.y > getLocation().y) {
viewport.setViewLocation(new Point(p.x, getLocation().y));
} else if (p.y + viewport.getSize().height < getLocation().y + getSize().height
&& viewport.getSize().height > getSize().height) {
viewport.setViewLocation(
new Point(p.x, getLocation().y + getSize().height - viewport.getSize().height));
}
if (p.x > getLocation().x) {
viewport.setViewLocation(new Point(getLocation().x, p.y));
} else if (p.x + viewport.getSize().width < getLocation().x + getSize().width
&& viewport.getSize().width > getSize().width) {
viewport.setViewLocation(
new Point(getLocation().x + getSize().width - viewport.getSize().width, p.y));
}
} catch (IOException e) {
e.printStackTrace();
} catch (PrologException e) {
e.printStackTrace();
} catch (TermInstantiationException e) {
e.printStackTrace();
} catch (ExecutionContextException e) {
e.printStackTrace();
}
}
}
private void applyShortcut(int keyCode, int stateMask) {
String key = keyDescription(keyCode, stateMask);
// Query the command, if exists.
Variable procVar = new Variable();
Compound query = new Compound("cpi#shortcutKey", descriptor, key, procVar);
try {
Iterator<Map<Variable, Object>> solutions = PrologProxy.instance().getSolutions(query);
while (solutions.hasNext()) {
ExecutionContext exe = new ExecutionContext();
exe.runProcedure((Compound) solutions.next().get(procVar));
}
} catch (PrologException e) {
e.printStackTrace();
} catch (TermInstantiationException e) {
e.printStackTrace();
} catch (ExecutionContextException e) {
e.printStackTrace();
}
}
public void mousePressed(MouseEvent me) {
if (me.button == 3) {
// Context menu
try {
createContextMenu(me);
} catch (TermInstantiationException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
} else {
// Gain focus
if (canFocus()) {
requestFocus();
context.getTextEditor().setEnabled(true);
context.getTextEditor().addFocusListener(this);
context.getTextEditor().setFocus();
} else {
context.handleClick(me);
}
}
}