private void render() {
if (iconPosition == IconPosition.LEFT) {
getElement().insertAfter(icon.getElement(), inputElem);
} else {
getElement().insertAfter(icon.getElement(), null);
}
}
/*
* (non-Javadoc)
*
* @see com.google.gwt.user.client.ui.Widget#onBrowserEvent(com.google.gwt
* .user.client.Event)
*/
@Override
public void onBrowserEvent(Event event) {
super.onBrowserEvent(event);
if (DOM.eventGetType(event) == Event.ONLOAD && icon.getElement() == DOM.eventGetTarget(event)) {
if (layout.getLayoutManager() != null) {
layout.getLayoutManager().layoutLater();
} else {
layout.updateCaptionOffset(caption);
}
}
}
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);
}
/**
* Set the caption of the slot
*
* @param captionText The text of the caption
* @param iconUrl The icon URL
* @param styles The style names
* @param error The error message
* @param showError Should the error message be shown
* @param required Is the (field) required
* @param enabled Is the component enabled
*/
public void setCaption(
String captionText,
String iconUrl,
List<String> styles,
String error,
boolean showError,
boolean required,
boolean enabled) {
// TODO place for optimization: check if any of these have changed
// since last time, and only run those changes
// Caption wrappers
if (captionText != null || iconUrl != null || error != null || required) {
if (caption == null) {
caption = DOM.createDiv();
captionWrap = DOM.createDiv();
captionWrap.addClassName(StyleConstants.UI_WIDGET);
captionWrap.addClassName("v-has-caption");
getElement().appendChild(captionWrap);
captionWrap.appendChild(getWidget().getElement());
}
} else if (caption != null) {
getElement().appendChild(getWidget().getElement());
captionWrap.removeFromParent();
caption = null;
captionWrap = null;
}
// Caption text
if (captionText != null) {
if (this.captionText == null) {
this.captionText = DOM.createSpan();
this.captionText.addClassName("v-captiontext");
caption.appendChild(this.captionText);
}
if (captionText.trim().equals("")) {
this.captionText.setInnerHTML(" ");
} else {
this.captionText.setInnerText(captionText);
}
} else if (this.captionText != null) {
this.captionText.removeFromParent();
this.captionText = null;
}
// Icon
if (iconUrl != null) {
if (icon == null) {
icon = new Icon();
caption.insertFirst(icon.getElement());
}
icon.setUri(iconUrl);
} else if (icon != null) {
icon.getElement().removeFromParent();
icon = null;
}
// Required
if (required) {
if (requiredIcon == null) {
requiredIcon = DOM.createSpan();
// TODO decide something better (e.g. use CSS to insert the
// character)
requiredIcon.setInnerHTML("*");
requiredIcon.setClassName("v-required-field-indicator");
// The star should not be read by the screen reader, as it is
// purely visual. Required state is set at the element level for
// the screen reader.
Roles.getTextboxRole().setAriaHiddenState(requiredIcon, true);
}
caption.appendChild(requiredIcon);
} else if (requiredIcon != null) {
requiredIcon.removeFromParent();
requiredIcon = null;
}
// Error
if (error != null && showError) {
if (errorIcon == null) {
errorIcon = DOM.createSpan();
errorIcon.setClassName("v-errorindicator");
}
caption.appendChild(errorIcon);
} else if (errorIcon != null) {
errorIcon.removeFromParent();
errorIcon = null;
}
if (caption != null) {
// Styles
caption.setClassName("v-caption");
if (styles != null) {
for (String style : styles) {
caption.addClassName("v-caption-" + style);
}
}
if (enabled) {
caption.removeClassName("v-disabled");
} else {
caption.addClassName("v-disabled");
}
// Caption position
if (captionText != null || iconUrl != null) {
setCaptionPosition(CaptionPosition.TOP);
} else {
setCaptionPosition(CaptionPosition.RIGHT);
}
}
}
