MTextArea.java

/*
 * Copyright 2010 Daniel Kurka
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.googlecode.mgwt.ui.client.widget.input;

import com.google.gwt.dom.client.TextAreaElement;
import com.google.gwt.event.shared.HandlerManager;
import com.google.gwt.user.client.ui.TextArea;

import com.googlecode.mgwt.ui.client.widget.base.MTextBoxBase;

/**
 * A simple text area
 * 
 * @author Daniel Kurka
 */
public class MTextArea extends MTextBoxBase {

  private static class STextArea extends TextArea implements HasSource {
    private Object source;

    @Override
    public void setSource(Object source) {
      this.source = source;

    }

    @Override
    protected HandlerManager createHandlerManager() {
      return new HandlerManager(source);
    }

  }

  public MTextArea() {
    this(InputApperanceHolder.DEFAULT_APPERAERANCE);
  }

  public MTextArea(InputAppearance appearance) {
    super(appearance, new STextArea());
    addStyleName(appearance.css().textArea());
  }

  /**
   * get the number of character per line
   * 
   * @return the number of characters per line
   */
  public int getCharacterWidth() {
    return getTextAreaElement().getCols();
  }

  /**
   * get the number of visible lines
   * 
   * @return the number of visible lines
   */
  public int getVisibleLines() {
    return getTextAreaElement().getRows();
  }

  /**
   * set the number of characters per line
   * 
   * @param width the number of characters per line
   */
  public void setCharacterWidth(int width) {
    getTextAreaElement().setCols(width);
  }

  /**
   * Set the number of visible lines
   * 
   * @param lines the number of visible lines
   */
  public void setVisibleLines(int lines) {
    getTextAreaElement().setRows(lines);
  }

  private TextAreaElement getTextAreaElement() {
    return box.getElement().cast();
  }
}