@Override
public void onClick(ClickEvent event) {
if (event.getSource() instanceof VCheckBox) {
VCheckBox source = (VCheckBox) event.getSource();
if (!source.isEnabled()) {
// Click events on the text are received even though the
// checkbox is disabled
return;
}
Boolean selected = source.getValue();
JsonObject item = optionsToItems.get(source);
assert item != null;
new ArrayList<>(selectionChangeListeners)
.forEach(listener -> listener.accept(item, selected));
}
}
private void updateItem(VCheckBox widget, JsonObject item, boolean requireInitialization) {
String itemHtml = item.getString(ListingJsonConstants.JSONKEY_ITEM_VALUE);
if (!isHtmlContentAllowed()) {
itemHtml = WidgetUtil.escapeHTML(itemHtml);
}
String iconUrl = item.getString(ListingJsonConstants.JSONKEY_ITEM_ICON);
if (iconUrl != null && iconUrl.length() != 0) {
Icon icon = client.getIcon(iconUrl);
itemHtml = icon.getElement().getString() + itemHtml;
}
widget.setHTML(itemHtml);
widget.setValue(item.getBoolean(ListingJsonConstants.JSONKEY_ITEM_SELECTED));
setOptionEnabled(widget, item);
if (requireInitialization) {
widget.addStyleName(CLASSNAME_OPTION);
widget.addClickHandler(this);
getWidget().add(widget);
}
optionsToItems.put(widget, item);
}
/**
* Updates the checkbox's enabled state according to the widget's enabled, read only and the
* item's enabled.
*
* @param checkBox the checkbox to update
* @param item the item for the checkbox
*/
protected void setOptionEnabled(VCheckBox checkBox, JsonObject item) {
boolean optionEnabled = !item.getBoolean(ListingJsonConstants.JSONKEY_ITEM_DISABLED);
boolean enabled = optionEnabled && !isReadonly() && isEnabled();
checkBox.setEnabled(enabled);
}
public RElement createRGGElement(Element element, RGG rggInstance) {
if (element.getNodeType() != Element.ELEMENT_NODE) {
throw new IllegalArgumentException("elements node type must be ELEMENT_NODE");
}
RCheckBox rcheckbox = new RCheckBox();
VCheckBox vcheckbox = new VCheckBox();
/**
* **************** initialize and set attributes values *************************************
*/
String var = element.getAttribute(RGG.getConfiguration().getString("VAR"));
String label = element.getAttribute(RGG.getConfiguration().getString("LABEL"));
String colspan = element.getAttribute(RGG.getConfiguration().getString("COLUMN-SPAN"));
String selected = element.getAttribute(RGG.getConfiguration().getString("SELECTED"));
String returnValueBySelected =
element.getAttribute(RGG.getConfiguration().getString("RETURN-VALUE-BY-SELECTED"));
String returnValueByNotSelected =
element.getAttribute(RGG.getConfiguration().getString("RETURN-VALUE-BY-NOTSELECTED"));
String labelPosition = element.getAttribute(RGG.getConfiguration().getString("LABELPOSITION"));
String id = element.getAttribute(RGG.getConfiguration().getString("ID"));
String enabled = element.getAttribute(RGG.getConfiguration().getString("ENABLED"));
/**
* ********************************************************************************************
*/
if (StringUtils.isNotBlank(var)) {
rcheckbox.setVar(var);
}
if (StringUtils.isNotBlank(label)) {
vcheckbox.setLabelText(label);
}
if (StringUtils.isNotBlank(colspan) && StringUtils.isNumeric(colspan)) {
vcheckbox.setColumnSpan(Integer.parseInt(colspan));
}
if (StringUtils.isNotBlank(selected)) {
if (StringUtils.equalsIgnoreCase("TRUE", selected)
|| StringUtils.equalsIgnoreCase("T", selected)) {
vcheckbox.setSelected(true);
}
}
if (StringUtils.isNotBlank(returnValueBySelected)) {
rcheckbox.setReturnValueBySelected(returnValueBySelected);
}
if (StringUtils.isNotBlank(returnValueByNotSelected)) {
rcheckbox.setReturnValueByNotSelected(returnValueByNotSelected);
}
if (StringUtils.isNotBlank(labelPosition)) {
if (StringUtils.equalsIgnoreCase(labelPosition, RGG.getConfiguration().getString("LEFT"))) {
vcheckbox.setHorizontalLabelPosition(javax.swing.SwingConstants.LEFT);
} else if (StringUtils.equalsIgnoreCase(
labelPosition, RGG.getConfiguration().getString("RIGHT"))) {
vcheckbox.setHorizontalLabelPosition(javax.swing.SwingConstants.RIGHT);
} else {
throw new IllegalArgumentException("labelpositon takes only \"left\" or \"right\"!");
}
}
if (StringUtils.isNotBlank(id)) {
rggInstance.addObject(id, vcheckbox);
}
if (StringUtils.isNotBlank(enabled)) {
if (util.match("/(\\w+)\\./", enabled)) {
String sourceid = util.group(1);
enabled = util.substitute("s/" + sourceid + "\\.//g", enabled);
AutoBinding<Object, Object, Object, Object> binding =
Bindings.createAutoBinding(
AutoBinding.UpdateStrategy.READ, // one-way binding
rggInstance.getObject(sourceid), // source of value
ELProperty.create(enabled), // the property to get
vcheckbox, // the "backing bean"
BeanProperty.create("enabled") // property to set
);
binding.bind();
}
}
rcheckbox.setCheckBox(vcheckbox);
return rcheckbox;
}
