public RuleAttributeWidget(
final RuleModeller parent, final RuleModel model, final boolean isReadOnly) {
this.parent = parent;
this.model = model;
FormStyleLayout layout = new FormStyleLayout();
// Adding metadata here, seems redundant to add a new widget for metadata. Model does handle
// meta data separate.
RuleMetadata[] meta = model.metadataList;
if (meta.length > 0) {
HorizontalPanel hp = new HorizontalPanel();
hp.add(new SmallLabel(Constants.INSTANCE.Metadata2()));
layout.addRow(hp);
}
for (int i = 0; i < meta.length; i++) {
RuleMetadata rmd = meta[i];
layout.addAttribute(rmd.getAttributeName(), getEditorWidget(rmd, i, isReadOnly));
}
RuleAttribute[] attrs = model.attributes;
if (attrs.length > 0) {
HorizontalPanel hp = new HorizontalPanel();
hp.add(new SmallLabel(Constants.INSTANCE.Attributes1()));
layout.addRow(hp);
}
for (int i = 0; i < attrs.length; i++) {
RuleAttribute at = attrs[i];
layout.addAttribute(at.getAttributeName(), getEditorWidget(at, i, isReadOnly));
}
initWidget(layout);
}
private Widget getEditorWidget(final RuleMetadata rm, final int idx, final boolean isReadOnly) {
Widget editor;
if (rm.getAttributeName().equals(LOCK_LHS) || rm.getAttributeName().equals(LOCK_RHS)) {
editor =
new InfoPopup(Constants.INSTANCE.FrozenAreas(), Constants.INSTANCE.FrozenExplanation());
} else {
editor = textBoxEditor(rm, isReadOnly);
}
DirtyableHorizontalPane horiz = new DirtyableHorizontalPane();
horiz.add(editor);
if (!isReadOnly) {
horiz.add(getRemoveMetaIcon(idx));
}
return horiz;
}
private TextBox textBoxEditor(final RuleMetadata rm, final boolean isReadOnly) {
final TextBox box = new TextBox();
box.setEnabled(!isReadOnly);
box.setVisibleLength((rm.getValue().length() < 3) ? 3 : rm.getValue().length());
box.setText(rm.getValue());
box.addChangeHandler(
new ChangeHandler() {
public void onChange(ChangeEvent event) {
rm.setValue(box.getText());
}
});
box.addKeyUpHandler(
new KeyUpHandler() {
public void onKeyUp(KeyUpEvent event) {
box.setVisibleLength(box.getText().length());
}
});
return box;
}