@Override
public void handleEvent(Event event) {
if (getShell() != null
&& currentExpressionEditor != null
&& currentExpressionEditor.provideDialogTray()
&& getTray() == null) {
final DialogTray tray = currentExpressionEditor.createDialogTray();
openTray(tray);
} else {
closeTray();
}
}
@Override
public void setIsPageFlowContext(boolean isPageFlowContext) {
this.isPageFlowContext = isPageFlowContext;
if (currentExpressionEditor != null) {
currentExpressionEditor.setIsPageFlowContext(isPageFlowContext);
}
}
@Override
protected void okPressed() {
if (currentExpressionEditor != null) {
currentExpressionEditor.okPressed();
}
super.okPressed();
}
@Override
public boolean close() {
if (getTray() != null) {
closeTray();
}
if (currentExpressionEditor != null) {
currentExpressionEditor.dispose();
}
return super.close();
}
@Override
protected Button createButton(Composite parent, int id, String label, boolean defaultButton) {
final Button button = super.createButton(parent, id, label, defaultButton);
if (id == OK) {
if (currentExpressionEditor != null) {
button.setEnabled(currentExpressionEditor.canFinish());
}
}
return button;
}
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);
}
}
