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      1 /*
      2  * Copyright (C) 2006 Apple Computer, Inc.
      3  *
      4  * This library is free software; you can redistribute it and/or
      5  * modify it under the terms of the GNU Library General Public
      6  * License as published by the Free Software Foundation; either
      7  * version 2 of the License, or (at your option) any later version.
      8  *
      9  * This library is distributed in the hope that it will be useful,
     10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     12  * Library General Public License for more details.
     13  *
     14  * You should have received a copy of the GNU Library General Public License
     15  * along with this library; see the file COPYING.LIB.  If not, write to
     16  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     17  * Boston, MA 02110-1301, USA.
     18  *
     19  */
     20 
     21 #include "config.h"
     22 #include "HTMLOptionsCollection.h"
     23 
     24 #include "ExceptionCode.h"
     25 #include "HTMLOptionElement.h"
     26 #include "HTMLSelectElement.h"
     27 
     28 namespace WebCore {
     29 
     30 HTMLOptionsCollection::HTMLOptionsCollection(PassRefPtr<HTMLSelectElement> select)
     31     : HTMLCollection(select.get(), SelectOptions, select->collectionInfo())
     32 {
     33 }
     34 
     35 PassRefPtr<HTMLOptionsCollection> HTMLOptionsCollection::create(PassRefPtr<HTMLSelectElement> select)
     36 {
     37     return adoptRef(new HTMLOptionsCollection(select));
     38 }
     39 
     40 void HTMLOptionsCollection::add(PassRefPtr<HTMLOptionElement> element, ExceptionCode &ec)
     41 {
     42     add(element, length(), ec);
     43 }
     44 
     45 void HTMLOptionsCollection::add(PassRefPtr<HTMLOptionElement> element, int index, ExceptionCode &ec)
     46 {
     47     HTMLOptionElement* newOption = element.get();
     48 
     49     if (!newOption) {
     50         ec = TYPE_MISMATCH_ERR;
     51         return;
     52     }
     53 
     54     if (index < -1) {
     55         ec = INDEX_SIZE_ERR;
     56         return;
     57     }
     58 
     59     ec = 0;
     60     HTMLSelectElement* select = static_cast<HTMLSelectElement*>(base());
     61 
     62     if (index == -1 || unsigned(index) >= length())
     63         select->add(newOption, 0, ec);
     64     else
     65         select->add(newOption, static_cast<HTMLOptionElement*>(item(index)), ec);
     66 
     67     ASSERT(ec == 0);
     68 }
     69 
     70 void HTMLOptionsCollection::remove(int index)
     71 {
     72     static_cast<HTMLSelectElement*>(base())->remove(index);
     73 }
     74 
     75 int HTMLOptionsCollection::selectedIndex() const
     76 {
     77     return static_cast<HTMLSelectElement*>(base())->selectedIndex();
     78 }
     79 
     80 void HTMLOptionsCollection::setSelectedIndex(int index)
     81 {
     82     static_cast<HTMLSelectElement*>(base())->setSelectedIndex(index);
     83 }
     84 
     85 void HTMLOptionsCollection::setLength(unsigned length, ExceptionCode& ec)
     86 {
     87     static_cast<HTMLSelectElement*>(base())->setLength(length, ec);
     88 }
     89 
     90 } //namespace
     91