/**
* Return defined button with own click handler
*
* @param type selected button type
* @param title text displayed on button hover
* @param clickAction ClickHandler / if null it's not added
* @return create button
*/
public static CustomButton getPredefinedButton(
ButtonType type, String title, ClickHandler clickAction) {
CustomButton b = new CustomButton();
// icon first
b.setIcon(getButtonIconByType(type));
// then text
b.setText(getButtonTextByType(type));
if (title != null && !title.isEmpty()) {
b.setTitle(title);
}
if (clickAction != null) {
b.addClickHandler(clickAction);
}
if (ButtonType.CONTINUE.equals(type)) {
b.setImageAlign(true);
}
return b;
}
@Override
public void onBrowserEvent(Event event) {
if (!this.isEnabled()) {
event.stopPropagation();
return;
}
switch (DOM.eventGetType(event)) {
case Event.ONTOUCHSTART:
{
onTouchStart(event);
event.stopPropagation();
break;
}
case Event.ONTOUCHEND:
{
onTouchEnd(event);
event.stopPropagation();
break;
}
case Event.ONTOUCHMOVE:
{
onTouchMove(event);
event.stopPropagation();
break;
}
case Event.ONMOUSEUP:
{
Log.debug("touch up");
// because Event.ONCLICK always came twice on desktop browsers oO
onClick(event);
event.stopPropagation();
break;
}
case Event.ONMOUSEDOWN:
{
event.stopPropagation();
break;
}
default:
{
// Let parent handle event if not one of the above (?)
try {
super.onBrowserEvent(event);
} catch (Throwable t) {
Log.debug(DOM.eventGetType(event) + "event failed");
}
}
}
}
private void onClick(Event event) {
event.stopPropagation();
event.preventDefault();
if (touchHandled) {
// if the touch is already handled, we are on a device that supports
// touch (so you aren't in the desktop browser)
touchHandled = false; // reset for next press
clickHandled = true; // ignore future ClickEvents
} else if (!clickHandled) {
// Press not handled yet
fireFastClickEvent();
}
super.onBrowserEvent(event);
}
/**
* Add search widget to tab menu
*
* @param searchEvent event triggered when user click on search button
* @param title displayed on button hover
* @return ExtendedTextBox textbox widget
*/
public ExtendedTextBox addSearchWidget(final PerunSearchEvent searchEvent, final String title) {
final ExtendedTextBox textBox = new ExtendedTextBox();
final CustomButton button = getPredefinedButton(ButtonType.SEARCH, title);
// trigger search on ENTER
textBox
.getTextBox()
.addKeyUpHandler(
new KeyUpHandler() {
public void onKeyUp(KeyUpEvent event) {
if (!textBox.getTextBox().getText().trim().isEmpty()) {
button.setEnabled(true);
if (event.getNativeEvent().getKeyCode() == KeyCodes.KEY_ENTER) {
searchEvent.searchFor(textBox.getTextBox().getText().trim());
}
} else {
button.setEnabled(false);
}
}
});
textBox
.getTextBox()
.addBlurHandler(
new BlurHandler() {
@Override
public void onBlur(BlurEvent event) {
// fake some meaningless KeyUpEvent
DomEvent.fireNativeEvent(
Document.get().createKeyUpEvent(false, false, false, false, KeyCodes.KEY_DOWN),
textBox.getTextBox());
}
});
textBox
.getTextBox()
.addValueChangeHandler(
new ValueChangeHandler<String>() {
@Override
public void onValueChange(ValueChangeEvent<String> event) {
// fake some meaningless KeyUpEvent
DomEvent.fireNativeEvent(
Document.get().createKeyUpEvent(false, false, false, false, KeyCodes.KEY_DOWN),
textBox.getTextBox());
}
});
// button click triggers action
button.addClickHandler(
new ClickHandler() {
@Override
public void onClick(ClickEvent clickEvent) {
if (UiElements.searchStingCantBeEmpty(textBox.getTextBox().getText().trim())) {
searchEvent.searchFor(textBox.getTextBox().getText().trim());
}
}
});
// button is active only if there is "search string"
button.setEnabled(false);
this.addWidget(textBox);
this.addWidget(button);
// always focus search widget
Scheduler.get()
.scheduleDeferred(
new Command() {
@Override
public void execute() {
textBox.getTextBox().setFocus(true);
}
});
return textBox;
}