HTMLOptionElementImpl.java :  » Swing-Library » Lobo-Java-Web-Browser » org » lobobrowser » html » domimpl » Java Open Source

package org.lobobrowser.html.domimpl;

import org.w3c.dom.html2.*;

public class HTMLOptionElementImpl extends HTMLElementImpl implements HTMLOptionElement {
  public HTMLOptionElementImpl(String name) {
    super(name, true);
  }

  public boolean getDefaultSelected() {
    return this.getAttributeAsBoolean("selected");
  }

  public boolean getDisabled() {
    return false;
  }

  public HTMLFormElement getForm() {
    return this.getForm();
  }

  public int getIndex() {
    Object parent = this.getParentNode();
    if(parent instanceof HTMLSelectElement) {
      HTMLOptionsCollectionImpl options = (HTMLOptionsCollectionImpl) ((HTMLSelectElement) parent).getOptions();
      return options.indexOf(this);
    }
    else {
      return -1;
    }
  }

  public String getLabel() {
    return this.getAttribute("label");
  }

  public boolean getSelected() {
    return this.selected;
  }

  public String getText() {
    return this.getRawInnerText(false);
  }
  
  public void setText(String value) {
    this.setTextContent(value);
  }

  public String getValue() {
    return this.getAttribute("value");
  }

  public void setDefaultSelected(boolean defaultSelected) {
    this.setAttribute("selected", defaultSelected ? "selected" : null);
  }

  public void setDisabled(boolean disabled) {
    //TODO Unsupported
  }

  public void setLabel(String label) {
    this.setAttribute("label", label);
  }

  private boolean selected;

  void setSelectedImpl(boolean selected) {
    this.selected = selected;
  }

  public void setSelected(boolean selected) {
    boolean changed = selected != this.selected;
    this.selected = selected;
    // Changing the option state changes the selected index.
    Object parent = this.getParentNode();
    if(parent instanceof HTMLSelectElementImpl) {
      HTMLSelectElementImpl parentSelect = ((HTMLSelectElementImpl) parent);
      if(changed || parentSelect.getSelectedIndex() == -1) {
        if(selected) {  
          parentSelect.setSelectedIndexImpl(this.getIndex());        
        }
        else {
          int currentIndex = parentSelect.getSelectedIndex();
          if(currentIndex != -1 && currentIndex == this.getIndex()) {
            parentSelect.setSelectedIndexImpl(-1);
          }
        }
      }
    }
  }

  public void setValue(String value) {
    this.setAttribute("value", value);
  }
  
  public String toString() {
    return "HTMLOptionElementImpl[text=" + this.getText() + ",selected=" + this.getSelected() + "]";
  }
}