Java Code Examples for com.google.gwt.user.client.ui.Widget#removeFromParent()

private void insertSpacer(Widget spacer,
        com.google.gwt.dom.client.Element container, int beforeIndex) {
    // Validate index; adjust if the widget is already a child of this
    // panel.
    beforeIndex = adjustIndex(spacer, beforeIndex);

    // Detach new child.
    spacer.removeFromParent();

    // We don't add the spacer to the children otherwise we mess the
    // accordion logic.

    // Physical attach.
    DOM.insertChild(container, spacer.getElement(), beforeIndex);

    // Adopt.
    adopt(spacer);
}
 

/**
 * Inserts a widget into this panel, attaching its HTML to a specified
 * location within this panel's HTML.
 * <p>
 * Note that in order for this panel to have arbitrary HTML decorations,
 * rather than none at all, this panel must not care about the logical order
 * of its child widgets (an inherited restriction from ComplexPanel, which
 * assumes logical child index == physical DOM index).
 * <p>
 * Assumes (but does not check) that {@code container} is a descendant of this
 * widget's element, and that {@code reference} is a direct child of {@code
 * container}.
 *
 * @param child
 * @param container
 * @param reference
 */
public void insertAfter(Widget child, Element container, Element reference) {
  // The implementation below is identical to add(), except the physical DOM
  // insertion is positional.

  // Detach new child.
  child.removeFromParent();

  // Logical attach.
  getChildren().add(child);

  // Physical attach.
  if (reference == null) {
    container.insertFirst(child.getElement());
  } else {
    container.insertAfter(child.getElement(), reference);
  }

  // Adopt.
  adopt(child);
}
 

public void show() {
	this.ensureDismissButton();
	this.redraw();
	this.visible = true;

	Widget modal = getContainerWidget();

	if (modal.isAttached()) {
		modal.removeFromParent();
	}

	Modal.MODAL_BACKDROP.show();
	this.getElement().getStyle().setDisplay(Display.BLOCK);
	RootPanel rootPanel = RootPanel.get();
	rootPanel.add(modal);
	StyleUtils.addStyle(rootPanel, Modal.STYLE_MODAL_OPEN);

	Scheduler.get().scheduleFixedDelay(new RepeatingCommand() {
		@Override
		public boolean execute() {
			StyleUtils.addStyle(Modal.this, Modal.STYLE_VISIBLE);
			return false;
		}
	}, 150);
}
 

/**
 * Inserts a widget into this panel, attaching its HTML to a specified
 * location within this panel's HTML.
 * <p>
 * Note that in order for this panel to have arbitrary HTML decorations,
 * rather than none at all, this panel must not care about the logical order
 * of its child widgets (an inherited restriction from ComplexPanel, which
 * assumes logical child index == physical DOM index).
 * <p>
 * Assumes (but does not check) that {@code container} is a descendant of this
 * widget's element, and that {@code reference} is a direct child of {@code
 * container}.
 *
 * @param child
 * @param container
 * @param reference
 */
public void insertAfter(Widget child, Element container, Element reference) {
  // The implementation below is identical to add(), except the physical DOM
  // insertion is positional.

  // Detach new child.
  child.removeFromParent();

  // Logical attach.
  getChildren().add(child);

  // Physical attach.
  if (reference == null) {
    container.insertFirst(child.getElement());
  } else {
    container.insertAfter(child.getElement(), reference);
  }

  // Adopt.
  adopt(child);
}
 

@Override
public void reset() {
  Preconditions.checkState(this.listener != null);
  this.listener = null;
  avatar.setSrc(null);
  name.setInnerText(null);
  address.setInnerText(null);
  for (Widget child : self.getChildren()) {
    child.removeFromParent();
  }
}
 

/**
 * Unregister and remove element from the content.
 */
public void unregisterContentElement(Widget widget) {
    if (widget != null) {
        extraContentElements.remove(widget);
        widget.removeFromParent();
    }
}
 

/**
 * @param child
 *            Child widget.
 * @param container
 *            Parent element.
 * @param beforeIndex
 *            Target index of element in DOM.
 * @param domInsert
 *            true: Insert at specific position. false: append at the end.
 */
@Override
protected void insert(Widget child, Element container, int beforeIndex, boolean domInsert) {
    GWT.log("Count content elements: " + content.getChildCount() + " ("
            + getAdditionalNonWidgetContentElementCount() + " non-widget non-step elements, "
            + (getAdditonalContentElementCount() - getAdditionalNonWidgetContentElementCount())
            + " non-step widgets.)");

    // Validate index; adjust if the widget is already a child of this
    // panel.
    int adjustedBeforeStepIndex = adjustIndex(child, beforeIndex - getAdditionalNonWidgetContentElementCount())
            - getAdditionalWidgetContentElementCount();

    // Detach new child. Might also remove additional widgets like
    // predecessor arrows. May affect contentHeight.
    child.removeFromParent();

    // Logical attach.
    getChildren().insert(child, adjustedBeforeStepIndex + getAdditionalWidgetContentElementCount());

    // Physical attach.
    if (domInsert) {
        DOM.insertChild(container, child.getElement(), adjustedBeforeStepIndex + getAdditonalContentElementCount());
    } else {
        DOM.appendChild(container, child.getElement());
    }

    // Adopt.
    adopt(child);
}
 

public void insertFirst(Widget child) {
    // Detach new child.
    child.removeFromParent();

    // Logical attach.
    getChildren().insert(child, 0);

    // Physical attach.
    content.insertFirst(child.getElement());

    // Adopt.
    adopt(child);
}
 

@Override
public void reset() {
  Preconditions.checkState(this.listener != null);
  this.listener = null;
  avatar.setSrc(null);
  name.setInnerText(null);
  address.setInnerText(null);
  for (Widget child : self.getChildren()) {
    child.removeFromParent();
  }
}
 

/**
 * Inserts a widget into this panel, attaching its HTML to a specified
 * location within this panel's HTML.
 * <p>
 * Note that in order for this panel to have arbitrary HTML decorations,
 * rather than none at all, this panel must not care about the logical order
 * of its child widgets (an inherited restriction from ComplexPanel, which
 * assumes logical child index == physical DOM index).
 * <p>
 * Assumes (but does not check) that {@code container} is a descendant of this
 * widget's element, and that {@code reference} is a direct child of {@code
 * container}.
 *
 * @param child
 * @param container
 * @param reference
 */
public void insertBefore(Widget child, Element container, Element reference) {
  // The implementation below is identical to add(), except the physical DOM
  // insertion is positional.

  // Detach new child.
  child.removeFromParent();

  // Logical attach.
  getChildren().add(child);

  // Physical attach.
  container.insertBefore(child.getElement(), reference);

  // Adopt.
  adopt(child);
}
 

/**
 * Inserts a widget into this panel, attaching its HTML to a specified
 * location within this panel's HTML.
 * <p>
 * Note that in order for this panel to have arbitrary HTML decorations,
 * rather than none at all, this panel must not care about the logical order
 * of its child widgets (an inherited restriction from ComplexPanel, which
 * assumes logical child index == physical DOM index).
 * <p>
 * Assumes (but does not check) that {@code container} is a descendant of this
 * widget's element, and that {@code reference} is a direct child of {@code
 * container}.
 *
 * @param child
 * @param container
 * @param reference
 */
public void insertBefore(Widget child, Element container, Element reference) {
  // The implementation below is identical to add(), except the physical DOM
  // insertion is positional.

  // Detach new child.
  child.removeFromParent();

  // Logical attach.
  getChildren().add(child);

  // Physical attach.
  container.insertBefore(child.getElement(), reference);

  // Adopt.
  adopt(child);
}