@PostConstruct
public void init() {
final ClickEvent ce =
new ClickEvent() {
public void selected(String text) {
drlEditor.insertAtCursor(text);
}
};
this.factTypeBrowser = new FactTypeBrowserWidget(ce);
this.dslConditionsBrowser =
new DSLSentenceBrowserWidget(
ce,
DRLTextEditorConstants.INSTANCE.showDSLConditions(),
DRLTextEditorConstants.INSTANCE.dslConditions());
this.dslActionsBrowser =
new DSLSentenceBrowserWidget(
ce,
DRLTextEditorConstants.INSTANCE.showDSLActions(),
DRLTextEditorConstants.INSTANCE.dslActions());
initWidget(uiBinder.createAndBindUi(this));
columnBrowsers.add(factTypeBrowser);
columnBrowsers.add(dslConditionsBrowser);
columnBrowsers.add(dslActionsBrowser);
}
public FactTypeBrowserWidget(final ClickEvent ev) {
this.tree = new Tree();
final VerticalPanel panel = new VerticalPanel();
final HorizontalPanel hpFactsAndHide = new HorizontalPanel();
final HorizontalPanel hpShow = new HorizontalPanel();
hpShow.add(
new ClickableLabel(
DRLTextEditorConstants.INSTANCE.ShowFactTypes(),
new ClickHandler() {
public void onClick(com.google.gwt.event.dom.client.ClickEvent event) {
hpShow.setVisible(false);
hpFactsAndHide.setVisible(true);
tree.setVisible(true);
}
}));
panel.add(hpShow);
hpFactsAndHide.add(new SmallLabel(DRLTextEditorConstants.INSTANCE.FactTypes()));
hpFactsAndHide.add(
new ClickableLabel(
DRLTextEditorConstants.INSTANCE.hide(),
new ClickHandler() {
public void onClick(com.google.gwt.event.dom.client.ClickEvent event) {
hpShow.setVisible(true);
hpFactsAndHide.setVisible(false);
tree.setVisible(false);
}
}));
panel.add(hpFactsAndHide);
panel.add(tree);
tree.setStyleName(DRLTextEditorResources.INSTANCE.CSS().categoryExplorerTree());
tree.addSelectionHandler(
new SelectionHandler<TreeItem>() {
public void onSelection(SelectionEvent<TreeItem> event) {
Object o = event.getSelectedItem().getUserObject();
if (o instanceof ClassUserObject) {
ev.selected(((ClassUserObject) o).textToInsert);
} else if (o instanceof String) {
ev.selected((String) o);
}
}
});
tree.addOpenHandler(
new OpenHandler<TreeItem>() {
@Override
public void onOpen(final OpenEvent<TreeItem> event) {
final TreeItem item = event.getTarget();
if (needsLoading(item)) {
final Object userObject = event.getTarget().getUserObject();
presenter.loadClassFields(
((ClassUserObject) userObject).fullyQualifiedClassName,
new Callback<List<String>>() {
@Override
public void callback(final List<String> fields) {
item.getChild(0).remove();
if (fields != null) {
for (String field : fields) {
final TreeItem fi = new TreeItem();
fi.setHTML(
AbstractImagePrototype.create(
DRLTextEditorResources.INSTANCE.images().fieldImage())
.getHTML()
+ "<small>"
+ field
+ "</small>");
fi.setUserObject(field);
item.addItem(fi);
}
}
}
});
}
}
});
tree.setVisible(false);
hpFactsAndHide.setVisible(false);
hpShow.setVisible(true);
initWidget(panel);
}