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Rich Internet Application Framework for GWT

There is a newer version: 2.3.1-gwt22

/*
 * Ext GWT 2.2.0 - Ext for GWT
 * Copyright(c) 2007-2010, Ext JS, LLC.
 * [email protected]
 * 
 * http://extjs.com/license
 */
package com.extjs.gxt.ui.client.widget.form;

import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.Element;

/**
 * Multiline text field. Can be used as a direct replacement for traditional
 * textarea fields.
 */
public class TextArea extends TextField {

  private boolean preventScrollbars;

  public TextArea() {
    super();
    setSize(100, 60);
  }

  @Override
  public int getCursorPos() {
    return impl.getTextAreaCursorPos(getInputEl().dom);
  }

  /**
   * Returns true if scroll bars are disabled.
   * 
   * @return the scroll bar state
   */
  public boolean isPreventScrollbars() {
    return preventScrollbars;
  }

  /**
   * True to prevent scrollbars from appearing regardless of how much text is in
   * the field (equivalent to setting overflow: hidden, defaults to false,
   * pre-render).
   * 
   * @param preventScrollbars true to disable scroll bars
   */
  public void setPreventScrollbars(boolean preventScrollbars) {
    this.preventScrollbars = preventScrollbars;
  }

  @Override
  protected void onRender(Element target, int index) {
    if (el() == null) {
      setElement(DOM.createDiv(), target, index);
      getElement().appendChild(DOM.createTextArea());
      input = el().firstChild();
    }

    getInputEl().dom.setPropertyString("autocomplete", "off");

    if (preventScrollbars) {
      getInputEl().setStyleAttribute("overflow", "hidden");
    }
    super.onRender(target, index);

    addInputStyleName("x-form-textarea");
  }

}