private void fillViewerInput(final EObject context) {
final Set<Parameter> input = new HashSet<Parameter>();
final IExpressionProvider provider =
ExpressionEditorService.getInstance()
.getExpressionProvider(ExpressionConstants.PARAMETER_TYPE);
for (final Expression e : provider.getExpressions(context)) {
if (editorInputExpression.isReturnTypeFixed()) {
if (compatibleReturnType(editorInputExpression, e)) {
input.add((Parameter) e.getReferencedElements().get(0));
}
} else {
input.add((Parameter) e.getReferencedElements().get(0));
}
}
viewer.setInput(input);
}
@Override
public void create() {
super.create();
String expressionType = inputExpression.getType();
if (ExpressionConstants.CONSTANT_TYPE.equals(expressionType)) {
if (!isSupportedConstantType(inputExpression.getReturnType())) {
expressionType = ExpressionConstants.SCRIPT_TYPE;
}
}
IExpressionProvider currentProvider =
ExpressionEditorService.getInstance().getExpressionProvider(expressionType);
if (currentProvider != null && expressionTypeViewer != null) {
expressionTypeViewer.setSelection(new StructuredSelection(currentProvider));
}
getShell().layout(true, true);
}
protected void showContent(String type) {
IExpressionProvider provider =
ExpressionEditorService.getInstance().getExpressionProvider(type);
Assert.isNotNull(provider);
for (Control c : contentComposite.getChildren()) {
c.dispose();
}
if (currentExpressionEditor != null) {
currentExpressionEditor.dispose();
}
currentExpressionEditor = provider.getExpressionEditor(inputExpression, context);
currentExpressionEditor.setIsPageFlowContext(isPageFlowContext);
if (currentExpressionEditor != null) {
currentExpressionEditor.createExpressionEditor(contentComposite, isPassword);
contentComposite.layout(true, true);
if (helpControl != null) {
// helpControl.setVisible(currentExpressionEditor.provideDialogTray());
helpControl.setVisible(false);
if (currentExpressionEditor.provideDialogTray()) {
ToolItem item = ((ToolBar) helpControl).getItem(0);
item.setSelection(true);
openTrayListener.handleEvent(new Event());
} else if (getTray() != null) {
closeTray();
}
}
if (dataBindingContext != null) {
dataBindingContext.dispose();
}
dataBindingContext = new EMFDataBindingContext();
UpdateValueStrategy selectionToExpressionType = new UpdateValueStrategy();
IConverter convert =
new Converter(IExpressionProvider.class, String.class) {
@Override
public Object convert(Object arg0) {
return ((IExpressionProvider) arg0).getExpressionType();
}
};
selectionToExpressionType.setConverter(convert);
if (domain != null) {
domain
.getCommandStack()
.execute(
SetCommand.create(
domain, inputExpression, ExpressionPackage.Literals.EXPRESSION__TYPE, type));
} else {
inputExpression.setType(type);
}
currentExpressionEditor.bindExpression(
dataBindingContext, context, inputExpression, viewerTypeFilters, expressionViewer);
currentExpressionEditor.addListener(
new Listener() {
@Override
public void handleEvent(Event event) {
Button okButton = getButton(OK);
if (okButton != null && !okButton.isDisposed()) {
okButton.setEnabled(currentExpressionEditor.canFinish());
}
}
});
DialogSupport.create(this, dataBindingContext);
}
}