1 /*
2 * Copyright (C) 2006, 2011, 2012 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 "core/html/HTMLOptionsCollection.h"
23
24 #include "bindings/v8/ExceptionMessages.h"
25 #include "bindings/v8/ExceptionState.h"
26 #include "core/dom/ExceptionCode.h"
27 #include "core/dom/NamedNodesCollection.h"
28 #include "core/html/HTMLOptionElement.h"
29 #include "core/html/HTMLSelectElement.h"
30
31 namespace WebCore {
32
HTMLOptionsCollection(Node * select)33 HTMLOptionsCollection::HTMLOptionsCollection(Node* select)
34 : HTMLCollection(select, SelectOptions, DoesNotOverrideItemAfter)
35 {
36 ASSERT(select->hasTagName(HTMLNames::selectTag));
37 ScriptWrappable::init(this);
38 }
39
create(Node * select,CollectionType)40 PassRefPtr<HTMLOptionsCollection> HTMLOptionsCollection::create(Node* select, CollectionType)
41 {
42 return adoptRef(new HTMLOptionsCollection(select));
43 }
44
add(PassRefPtr<HTMLOptionElement> element,ExceptionState & exceptionState)45 void HTMLOptionsCollection::add(PassRefPtr<HTMLOptionElement> element, ExceptionState& exceptionState)
46 {
47 add(element, length(), exceptionState);
48 }
49
add(PassRefPtr<HTMLOptionElement> element,int index,ExceptionState & exceptionState)50 void HTMLOptionsCollection::add(PassRefPtr<HTMLOptionElement> element, int index, ExceptionState& exceptionState)
51 {
52 HTMLOptionElement* newOption = element.get();
53
54 if (!newOption) {
55 exceptionState.throwTypeError("The element provided was not an HTMLOptionElement.");
56 return;
57 }
58
59 if (index < -1) {
60 exceptionState.throwDOMException(IndexSizeError, "The index provided (" + String::number(index) + ") is less than -1.");
61 return;
62 }
63
64 HTMLSelectElement* select = toHTMLSelectElement(ownerNode());
65
66 if (index == -1 || unsigned(index) >= length())
67 select->add(newOption, 0, exceptionState);
68 else
69 select->add(newOption, toHTMLOptionElement(item(index)), exceptionState);
70
71 ASSERT(!exceptionState.hadException());
72 }
73
remove(int index)74 void HTMLOptionsCollection::remove(int index)
75 {
76 toHTMLSelectElement(ownerNode())->remove(index);
77 }
78
remove(HTMLOptionElement * option)79 void HTMLOptionsCollection::remove(HTMLOptionElement* option)
80 {
81 return remove(option->index());
82 }
83
selectedIndex() const84 int HTMLOptionsCollection::selectedIndex() const
85 {
86 return toHTMLSelectElement(ownerNode())->selectedIndex();
87 }
88
setSelectedIndex(int index)89 void HTMLOptionsCollection::setSelectedIndex(int index)
90 {
91 toHTMLSelectElement(ownerNode())->setSelectedIndex(index);
92 }
93
setLength(unsigned length,ExceptionState & exceptionState)94 void HTMLOptionsCollection::setLength(unsigned length, ExceptionState& exceptionState)
95 {
96 toHTMLSelectElement(ownerNode())->setLength(length, exceptionState);
97 }
98
anonymousNamedGetter(const AtomicString & name,bool & returnValue0Enabled,RefPtr<NodeList> & returnValue0,bool & returnValue1Enabled,RefPtr<Node> & returnValue1)99 void HTMLOptionsCollection::anonymousNamedGetter(const AtomicString& name, bool& returnValue0Enabled, RefPtr<NodeList>& returnValue0, bool& returnValue1Enabled, RefPtr<Node>& returnValue1)
100 {
101 Vector<RefPtr<Node> > namedItems;
102 this->namedItems(name, namedItems);
103
104 if (!namedItems.size())
105 return;
106
107 if (namedItems.size() == 1) {
108 returnValue1Enabled = true;
109 returnValue1 = namedItems.at(0);
110 return;
111 }
112
113 returnValue0Enabled = true;
114 returnValue0 = NamedNodesCollection::create(namedItems);
115 }
116
anonymousIndexedSetterRemove(unsigned index,ExceptionState & exceptionState)117 bool HTMLOptionsCollection::anonymousIndexedSetterRemove(unsigned index, ExceptionState& exceptionState)
118 {
119 HTMLSelectElement* base = toHTMLSelectElement(ownerNode());
120 base->remove(index);
121 return true;
122 }
123
anonymousIndexedSetter(unsigned index,PassRefPtr<HTMLOptionElement> value,ExceptionState & exceptionState)124 bool HTMLOptionsCollection::anonymousIndexedSetter(unsigned index, PassRefPtr<HTMLOptionElement> value, ExceptionState& exceptionState)
125 {
126 HTMLSelectElement* base = toHTMLSelectElement(ownerNode());
127 if (!value) {
128 exceptionState.throwTypeError(ExceptionMessages::failedToSet(String::number(index), "HTMLOptionsCollection", "The element provided was not an HTMLOptionElement."));
129 return true;
130 }
131 base->setOption(index, value.get(), exceptionState);
132 return true;
133 }
134
135 } //namespace
136
137