private void doLayout() {
layout.clear();
for (int i = 0; i < model.getFieldValues().length; i++) {
ActionFieldValue val = model.getFieldValues()[i];
layout.setWidget(i, 0, getSetterLabel());
layout.setWidget(i, 1, fieldSelector(val));
layout.setWidget(i, 2, valueEditor(val));
final int idx = i;
Image remove = GuidedRuleEditorImages508.INSTANCE.DeleteItemSmall();
remove.addClickHandler(
new ClickHandler() {
public void onClick(ClickEvent event) {
if (Window.confirm(Constants.INSTANCE.RemoveThisItem())) {
model.removeField(idx);
setModified(true);
getModeller().refreshWidget();
// Signal possible change in Template variables
TemplateVariablesChangedEvent tvce =
new TemplateVariablesChangedEvent(getModeller().getModel());
getEventBus().fireEventFromSource(tvce, getModeller().getModel());
}
}
});
if (!this.readOnly) {
layout.setWidget(i, 3, remove);
}
}
if (model.getFieldValues().length == 0) {
HorizontalPanel h = new HorizontalPanel();
h.add(getSetterLabel());
if (!this.readOnly) {
Image image = GuidedRuleEditorImages508.INSTANCE.Edit();
image.setAltText(Constants.INSTANCE.AddFirstNewField());
image.setTitle(Constants.INSTANCE.AddFirstNewField());
image.addClickHandler(
new ClickHandler() {
public void onClick(ClickEvent sender) {
showAddFieldPopup(sender);
}
});
h.add(image);
}
layout.setWidget(0, 0, h);
}
// layout.setWidget( 0, 1, inner );
}
/** Wraps a RuleModellerWidget with an icon to delete the pattern */
private Widget wrapLHSWidget(final CompositeFactPattern model, int i, RuleModellerWidget w) {
DirtyableHorizontalPane horiz = new DirtyableHorizontalPane();
final Image remove = GuidedRuleEditorImages508.INSTANCE.DeleteItemSmall();
remove.setTitle(
Constants.INSTANCE.RemoveThisENTIREConditionAndAllTheFieldConstraintsThatBelongToIt());
final int idx = i;
remove.addClickHandler(
new ClickHandler() {
public void onClick(ClickEvent event) {
if (Window.confirm(Constants.INSTANCE.RemoveThisEntireConditionQ())) {
if (pattern.removeFactPattern(idx)) {
getModeller().refreshWidget();
}
}
}
});
horiz.setWidth("100%");
w.setWidth("100%");
horiz.add(w);
if (!(getModeller().lockLHS() || w.isReadOnly())) {
horiz.add(remove);
}
return horiz;
}
protected void showAddFieldPopup(ClickEvent w) {
final DataModelOracle completions = this.getModeller().getSuggestionCompletions();
final FormStylePopup popup =
new FormStylePopup(
GuidedRuleEditorImages508.INSTANCE.Wizard(), Constants.INSTANCE.AddAField());
final ListBox box = new ListBox();
box.addItem("...");
for (int i = 0; i < fieldCompletions.length; i++) {
box.addItem(fieldCompletions[i]);
}
box.setSelectedIndex(0);
popup.addAttribute(Constants.INSTANCE.AddField(), box);
box.addChangeHandler(
new ChangeHandler() {
public void onChange(ChangeEvent event) {
String fieldName = box.getItemText(box.getSelectedIndex());
String fieldType = completions.getFieldType(variableClass, fieldName);
model.addFieldValue(new ActionFieldValue(fieldName, "", fieldType));
setModified(true);
getModeller().refreshWidget();
popup.hide();
}
});
popup.show();
}
protected Widget addRemoveButton(Widget w, ClickHandler listener) {
DirtyableHorizontalPane horiz = new DirtyableHorizontalPane();
final Image remove = GuidedRuleEditorImages508.INSTANCE.DeleteItemSmall();
remove.setAltText(Constants.INSTANCE.RemoveThisBlockOfData());
remove.setTitle(Constants.INSTANCE.RemoveThisBlockOfData());
remove.addClickHandler(listener);
horiz.setWidth("100%");
w.setWidth("100%");
horiz.add(w);
if (!this.readOnly) {
horiz.add(remove);
}
return horiz;
}
