/**
* Utility method for binding an argument into the UI. Note that this method does not record any
* commands, it simply adds a new row into the table and associates the passed {@link
* PayloadFactoryArgument} to it.
*
* @return {@link TableItem} which was introduced.
*/
private TableItem bindArgument(PayloadFactoryArgument argument) {
TableItem item = new TableItem(tblArguments, SWT.NONE);
ArgumentWrapper wrapper = new ArgumentWrapper(argument);
wrapper.setArgumentExpression(
EsbFactory.eINSTANCE.copyNamespacedProperty(argument.getArgumentExpression()));
wrapper.setArgumentValue(argument.getArgumentValue());
if (argument.getArgumentType() == PayloadFactoryArgumentType.EXPRESSION) {
item.setText(
new String[] {
LITERAL_EXPRESSION,
wrapper.getArgumentExpression().getPropertyValue(),
argument.getEvaluator().toString()
});
wrapper.setEvaluator(argument.getEvaluator());
wrapper.setExpression(true);
} else {
item.setText(new String[] {LITERAL_VALUE, wrapper.getArgumentValue(), ""});
wrapper.setEvaluator(null);
wrapper.setExpression(false);
}
item.setData(wrapper);
return item;
}
/**
* Removes the corresponding table item from the table and records a command for detaching the
* corresponding argument from the model.
*
* @param itemIndex index of the row which is to be removed.
*/
private void unbindArgument(int itemIndex) {
TableItem item = tblArguments.getItem(itemIndex);
ArgumentWrapper wrapper = (ArgumentWrapper) item.getData();
PayloadFactoryArgument argument = wrapper.getArgument();
if (null != argument.eContainer()) {
RemoveCommand removeCmd =
new RemoveCommand(
editingDomain,
mediator,
EsbPackage.Literals.PAYLOAD_FACTORY_MEDIATOR__ARGS,
argument);
getResultCommand().append(removeCmd);
}
tblArguments.remove(tblArguments.indexOf(item));
}
@Override
protected void okPressed() {
for (TableItem item : tblArguments.getItems()) {
ArgumentWrapper wrapper = (ArgumentWrapper) item.getData();
PayloadFactoryArgument argument = wrapper.getArgument();
// If the argument is a new one, add it to the model.
if (null == argument.eContainer()) {
AddCommand addCmd =
new AddCommand(
editingDomain,
mediator,
EsbPackage.Literals.PAYLOAD_FACTORY_MEDIATOR__ARGS,
argument);
getResultCommand().append(addCmd);
}
SetCommand setCmd = null;
// set argument type if it has been changed i.e expression or value
if ((argument.getArgumentType() == PayloadFactoryArgumentType.EXPRESSION)
!= wrapper.isExpression()) {
setCmd =
new SetCommand(
editingDomain,
argument,
EsbPackage.Literals.PAYLOAD_FACTORY_ARGUMENT__ARGUMENT_TYPE,
wrapper.isExpression()
? PayloadFactoryArgumentType.EXPRESSION
: PayloadFactoryArgumentType.VALUE);
getResultCommand().append(setCmd);
}
if (wrapper.isExpression()) {
wrapper.setArgumentValue("default");
} else {
wrapper.getArgumentExpression().setPropertyValue("/default/expression");
}
if (wrapper.isExpression()) {
setCmd =
new SetCommand(
editingDomain,
argument,
EsbPackage.Literals.PAYLOAD_FACTORY_ARGUMENT__EVALUATOR,
wrapper.getEvaluator());
getResultCommand().append(setCmd);
}
if (!argument.getArgumentExpression().equals(wrapper.getArgumentExpression())) {
setCmd =
new SetCommand(
editingDomain,
argument,
EsbPackage.Literals.PAYLOAD_FACTORY_ARGUMENT__ARGUMENT_EXPRESSION,
wrapper.getArgumentExpression());
getResultCommand().append(setCmd);
}
if (!argument.getArgumentValue().equals(wrapper.getArgumentValue())) {
setCmd =
new SetCommand(
editingDomain,
argument,
EsbPackage.Literals.PAYLOAD_FACTORY_ARGUMENT__ARGUMENT_VALUE,
wrapper.getArgumentValue());
getResultCommand().append(setCmd);
}
}
// Apply changes.
if (getResultCommand().canExecute()) {
editingDomain.getCommandStack().execute(getResultCommand());
}
super.okPressed();
}
