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      1 /*
      2  * Copyright (C) 2009, 2010 Apple Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #include "config.h"
     27 
     28 #if ENABLE(DATAGRID)
     29 
     30 #include "Attribute.h"
     31 #include "DataGridColumn.h"
     32 #include "HTMLDataGridColElement.h"
     33 #include "HTMLDataGridElement.h"
     34 #include "HTMLNames.h"
     35 #include "Text.h"
     36 
     37 namespace WebCore {
     38 
     39 using namespace HTMLNames;
     40 
     41 inline HTMLDataGridColElement::HTMLDataGridColElement(const QualifiedName& name, Document* document)
     42     : HTMLElement(name, document)
     43     , m_dataGrid(0)
     44 {
     45 }
     46 
     47 PassRefPtr<HTMLDataGridColElement> HTMLDataGridColElement::create(const QualifiedName& name, Document* document)
     48 {
     49     return adoptRef(new HTMLDataGridColElement(name, document));
     50 }
     51 
     52 HTMLDataGridElement* HTMLDataGridColElement::findDataGridAncestor() const
     53 {
     54     if (parent() && parent()->hasTagName(datagridTag))
     55         return static_cast<HTMLDataGridElement*>(parent());
     56     return 0;
     57 }
     58 
     59 void HTMLDataGridColElement::ensureColumn()
     60 {
     61     if (m_column)
     62         return;
     63     m_column = DataGridColumn::create(getIdAttribute(), label(), type(), primary(), sortable());
     64 }
     65 
     66 void HTMLDataGridColElement::insertedIntoTree(bool deep)
     67 {
     68     HTMLElement::insertedIntoTree(deep);
     69     if (dataGrid()) // We're connected to a datagrid already.
     70         return;
     71     m_dataGrid = findDataGridAncestor();
     72     if (dataGrid() && dataGrid()->dataSource()->isDOMDataGridDataSource()) {
     73         ensureColumn();
     74         m_dataGrid->columns()->add(column()); // FIXME: Deal with ordering issues (complicated, since columns can be made outside the DOM).
     75     }
     76 }
     77 
     78 void HTMLDataGridColElement::removedFromTree(bool deep)
     79 {
     80     HTMLElement::removedFromTree(deep);
     81     if (dataGrid() && dataGrid()->dataSource()->isDOMDataGridDataSource()) {
     82         HTMLDataGridElement* grid = findDataGridAncestor();
     83         if (!grid && column()) {
     84             dataGrid()->columns()->remove(column());
     85             m_dataGrid = 0;
     86         }
     87     }
     88 }
     89 
     90 String HTMLDataGridColElement::label() const
     91 {
     92     return getAttribute(labelAttr);
     93 }
     94 
     95 void HTMLDataGridColElement::setLabel(const String& label)
     96 {
     97     setAttribute(labelAttr, label);
     98 }
     99 
    100 String HTMLDataGridColElement::type() const
    101 {
    102     return getAttribute(typeAttr);
    103 }
    104 
    105 void HTMLDataGridColElement::setType(const String& type)
    106 {
    107     setAttribute(typeAttr, type);
    108 }
    109 
    110 unsigned short HTMLDataGridColElement::sortable() const
    111 {
    112     if (!hasAttribute(sortableAttr))
    113         return 2;
    114     return getAttribute(sortableAttr).toInt(0);
    115 }
    116 
    117 void HTMLDataGridColElement::setSortable(unsigned short sortable)
    118 {
    119     setAttribute(sortableAttr, String::number(sortable));
    120 }
    121 
    122 unsigned short HTMLDataGridColElement::sortDirection() const
    123 {
    124     String sortDirection = getAttribute(sortdirectionAttr);
    125     if (equalIgnoringCase(sortDirection, "ascending"))
    126         return 1;
    127     if (equalIgnoringCase(sortDirection, "descending"))
    128         return 2;
    129     return 0;
    130 }
    131 
    132 void HTMLDataGridColElement::setSortDirection(unsigned short sortDirection)
    133 {
    134     // FIXME: Check sortable rules.
    135     if (sortDirection == 0)
    136         setAttribute(sortdirectionAttr, "natural");
    137     else if (sortDirection == 1)
    138         setAttribute(sortdirectionAttr, "ascending");
    139     else if (sortDirection == 2)
    140         setAttribute(sortdirectionAttr, "descending");
    141 }
    142 
    143 bool HTMLDataGridColElement::primary() const
    144 {
    145     return hasAttribute(primaryAttr);
    146 }
    147 
    148 void HTMLDataGridColElement::setPrimary(bool primary)
    149 {
    150     setAttribute(primaryAttr, primary ? "" : 0);
    151 }
    152 
    153 void HTMLDataGridColElement::parseMappedAttribute(Attribute* attr)
    154 {
    155     HTMLElement::parseMappedAttribute(attr);
    156 
    157     if (!column())
    158         return;
    159 
    160     if (attr->name() == labelAttr)
    161         column()->setLabel(label());
    162     else if (attr->name() == typeAttr)
    163         column()->setType(type());
    164     else if (attr->name() == primaryAttr)
    165         column()->setPrimary(primary());
    166     else if (attr->name() == sortableAttr)
    167         column()->setSortable(sortable());
    168     else if (attr->name() == sortdirectionAttr)
    169         column()->setSortDirection(sortDirection());
    170     else if (isIdAttributeName(attr->name()))
    171         column()->setId(getIdAttribute());
    172 }
    173 
    174 } // namespace WebCore
    175 
    176 #endif
    177