So trying to wrap my head around the Editor Framework and ListEditor in
particular...
I have a class that basically has 1 property, an ArrayList:
public class ArticlePaginator implements Iterable<ArticlePage> {
ArrayList<ArticlePage> articlePages = new ArrayList<ArticlePage>();
public ArticlePaginator(ThriftWidget tw) {
for (ThriftWidget subTw : tw.getSubWidgets()) {
articlePages.add(new ArticlePage(subTw));
}
}
@Override
public Iterator<ArticlePage> iterator() {
Iterator<ArticlePage> iterator = articlePages.iterator();
return iterator;
}
public void setArticlePages(ArrayList<ArticlePage> articlePages) {
this.articlePages = articlePages;
}
public ArrayList<ArticlePage> getArticlePages() {
return articlePages;
}
}
Since I'd like my users to be able to add/remove the sub-widgets (in this case
"ArticlePage" objects which have their own standard editor
"ArticlePageEditor") I figured (correctly?) I needed to use the ListEditor
adaptor class as my Editor. I'm not sure if I have this correct
conceptually, b/c when I try to run in dev mode I get the following error:
*Caused by: java.lang.Error: Unresolved compilation problem: Type mismatch:
cannot convert from ArticlePaginator to List
*
Why is it trying to convert my ArticlePaginator to a List???
Any insight would be greatly appreciated.
Here's my attempted implementation of the ListEditor:
public class ArticlePaginatorEditor extends Composite implements
IsEditor<ListEditor<ArticlePage, ArticlePageEditor>> {
private static ArticlePaginatorEditorUiBinder uiBinder =
GWT.create(ArticlePaginatorEditorUiBinder.class);
interface ArticlePaginatorEditorUiBinder extends UiBinder<Widget,
ArticlePaginatorEditor> {}
@UiField
VerticalPanel container;
private class ArticlePageEditorSource extends
EditorSource<ArticlePageEditor> {
@Override
public ArticlePageEditor create(int index) {
ArticlePageEditor subEditor = new ArticlePageEditor();
container.add(subEditor);
return subEditor;
}
@Override
public void dispose(ArticlePageEditor subEditor) {
subEditor.removeFromParent();
}
@Override
public void setIndex(ArticlePageEditor subEditor, int index) {
container.insert(subEditor, index);
}
}
private ListEditor<ArticlePage, ArticlePageEditor> editor =
ListEditor.of(new ArticlePageEditorSource());
public ArticlePaginatorEditor() {
initWidget(uiBinder.createAndBindUi(this));
}
@Override
public ListEditor<ArticlePage, ArticlePageEditor> asEditor() {
return editor;
}
@UiHandler("add")
void onClickAdd(ClickEvent e) {
ThriftWidget newMeta = new ThriftWidget(29, new String[]{}, null,
new int[]{1, 2, 3});
newMeta.subwidgets = new ThriftWidget[] {
new ThriftWidget(41, new String[]{"huh?"}, null, null),
new ThriftWidget(41, new String[]{""}, null, null),
new ThriftWidget(41, new String[]{""}, null, null)
};
ThriftWidget newPage = new ThriftWidget(1, null, null, new
int[]{1});
newPage.subwidgets = new ThriftWidget[] { newMeta };
ArticlePage ap = new ArticlePage(newPage);
editor.getList().add(ap);
}
}
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