1 /*

     2  * Copyright (C) 2009 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 "AtomicString.h"

    31 #include "DataGridColumnList.h"

    32 #include "HTMLDataGridElement.h"

    33 #include "PlatformString.h"

    34 #include "RenderObject.h"

    35 

    36 namespace WebCore {

    37 

    38 DataGridColumnList::DataGridColumnList(HTMLDataGridElement* dataGrid)

    39     : m_dataGrid(dataGrid)

    40 {

    41 }

    42 

    43 DataGridColumnList::~DataGridColumnList()

    44 {

    45     clear();

    46 }

    47 

    48 DataGridColumn* DataGridColumnList::itemWithName(const AtomicString& name) const

    49 {

    50     unsigned length = m_columns.size();

    51     for (unsigned i = 0; i < length; ++i) {

    52         if (m_columns[i]->id() == name)

    53             return m_columns[i].get();

    54     }

    55     return 0;

    56 }

    57 

    58 void DataGridColumnList::setDataGridNeedsLayout()

    59 {

    60     // Mark the datagrid as needing layout.

    61     if (dataGrid() && dataGrid()->renderer()) 

    62         dataGrid()->renderer()->setNeedsLayout(true);

    63 }

    64 

    65 DataGridColumn* DataGridColumnList::add(const String& id, const String& label, const String& type, bool primary, unsigned short sortable)

    66 {

    67     return add(DataGridColumn::create(id, label, type, primary, sortable).get());

    68 }

    69 

    70 DataGridColumn* DataGridColumnList::add(DataGridColumn* column)

    71 {

    72     if (column->primary())

    73         m_primaryColumn = column;

    74     m_columns.append(column);

    75     column->setColumnList(this);

    76     setDataGridNeedsLayout();

    77     return column;

    78 }

    79 

    80 void DataGridColumnList::remove(DataGridColumn* col)

    81 {

    82     size_t index = m_columns.find(col);

    83     if (index == notFound)

    84         return;

    85     m_columns.remove(index);

    86     if (col == m_primaryColumn)

    87         m_primaryColumn = 0;

    88     if (col == m_sortColumn)

    89         m_sortColumn = 0;

    90     col->setColumnList(0);

    91     setDataGridNeedsLayout();

    92 }

    93 

    94 void DataGridColumnList::move(DataGridColumn* col, unsigned long index)

    95 {

    96     size_t colIndex = m_columns.find(col);

    97     if (colIndex == notFound)

    98         return;

    99     m_columns.insert(index, col);

   100     setDataGridNeedsLayout();

   101 }

   102 

   103 void DataGridColumnList::clear()

   104 {

   105     unsigned length = m_columns.size();

   106     for (unsigned i = 0; i < length; ++i)

   107         m_columns[i]->setColumnList(0);

   108     m_columns.clear();

   109     m_primaryColumn = 0;

   110     m_sortColumn = 0;

   111     setDataGridNeedsLayout();

   112 }

   113 

   114 void DataGridColumnList::primaryColumnChanged(DataGridColumn* col)

   115 {

   116     if (col->primary())

   117         m_primaryColumn = col;

   118     else if (m_primaryColumn = col)

   119         m_primaryColumn = 0;

   120     

   121     setDataGridNeedsLayout();

   122 }

   123 

   124 } // namespace WebCore

   125 

   126 #endif