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/*
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* This file is part of the DOM implementation for KDE.
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*
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* Copyright (C) 1997 Martin Jones (mjones@kde.org)
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* (C) 1997 Torben Weis (weis@kde.org)
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* (C) 1998 Waldo Bastian (bastian@kde.org)
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* (C) 1999 Lars Knoll (knoll@kde.org)
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* (C) 1999 Antti Koivisto (koivisto@kde.org)
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* (C) 2006 Maksim Orlovich (maksim@kde.org)
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef HTML_TABLEIMPL_H
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#define HTML_TABLEIMPL_H
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#include "misc/htmltags.h"
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#include "html/html_elementimpl.h"
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namespace DOM {
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class DOMString;
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class HTMLTableElementImpl;
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class HTMLTableSectionElementImpl;
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class HTMLTableSectionElement;
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class HTMLTableRowElementImpl;
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class HTMLTableRowElement;
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class HTMLTableCellElementImpl;
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class HTMLTableCellElement;
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class HTMLTableColElementImpl;
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class HTMLTableColElement;
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class HTMLTableCaptionElementImpl;
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class HTMLTableCaptionElement;
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class HTMLElement;
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class HTMLCollection;
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// -------------------------------------------------------------------------
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class HTMLTablePartElementImpl : public HTMLElementImpl
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{
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public:
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HTMLTablePartElementImpl(DocumentImpl *doc)
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: HTMLElementImpl(doc)
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{ }
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virtual void parseAttribute(AttributeImpl *attr);
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};
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// -------------------------------------------------------------------------
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class HTMLTableSectionElementImpl : public HTMLTablePartElementImpl
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{
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public:
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HTMLTableSectionElementImpl(DocumentImpl *doc, ushort tagid, bool implicit);
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~HTMLTableSectionElementImpl();
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virtual Id id() const;
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HTMLElementImpl *insertRow ( long index, int& exceptioncode );
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void deleteRow ( long index, int& exceptioncode );
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int numRows() const;
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protected:
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ushort _id;
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};
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// -------------------------------------------------------------------------
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class HTMLTableRowElementImpl : public HTMLTablePartElementImpl
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{
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public:
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HTMLTableRowElementImpl(DocumentImpl *doc)
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: HTMLTablePartElementImpl(doc) {}
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virtual Id id() const;
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long rowIndex() const;
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long sectionRowIndex() const;
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HTMLElementImpl *insertCell ( long index, int &exceptioncode );
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void deleteCell ( long index, int &exceptioncode );
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protected:
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int ncols;
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};
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// -------------------------------------------------------------------------
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class HTMLTableCellElementImpl : public HTMLTablePartElementImpl
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{
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public:
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HTMLTableCellElementImpl(DocumentImpl *doc, int tagId);
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~HTMLTableCellElementImpl();
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long cellIndex() const;
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int col() const { return _col; }
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void setCol(int col) { _col = col; }
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int row() const { return _row; }
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void setRow(int r) { _row = r; }
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int colSpan() const { return cSpan; }
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int rowSpan() const { return rSpan; }
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virtual Id id() const { return _id; }
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virtual void parseAttribute(AttributeImpl *attr);
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virtual void attach();
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protected:
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int _row;
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int _col;
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int rSpan;
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int cSpan;
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int _id;
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int rowHeight;
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bool m_solid : 1;
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bool m_nowrap : 1;
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};
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// -------------------------------------------------------------------------
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class HTMLTableColElementImpl : public HTMLTablePartElementImpl
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{
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public:
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HTMLTableColElementImpl(DocumentImpl *doc, ushort i);
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virtual Id id() const;
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void setTable(HTMLTableElementImpl *t) { table = t; }
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// overrides
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virtual void parseAttribute(AttributeImpl *attr);
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int span() const { return _span; }
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protected:
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// could be ID_COL or ID_COLGROUP ... The DOM is not quite clear on
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// this, but since both elements work quite similar, we use one
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// DOMElement for them...
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ushort _id;
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int _span;
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HTMLTableElementImpl *table;
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};
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// -------------------------------------------------------------------------
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class HTMLTableCaptionElementImpl : public HTMLTablePartElementImpl
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{
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public:
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HTMLTableCaptionElementImpl(DocumentImpl *doc)
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: HTMLTablePartElementImpl(doc) {}
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virtual Id id() const;
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virtual void parseAttribute(AttributeImpl *attr);
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};
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// -------------------------------------------------------------------------
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/*
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This class helps memorize pointers to child objects that may be
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yanked around via the DOM. It always picks the first pointer of the
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given type.
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The pointer it stores can have 3 meanings:
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0 -- no child
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parent -- no idea about the state
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other -- pointer to the child
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*/
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template<typename ChildType, int ChildId> class ChildHolder
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{
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public:
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ChildHolder():ptr(0) {}
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ChildType* get(const ElementImpl* parent) const {
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if (static_cast<const NodeImpl *>(ptr) == parent) {
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//Do lookup.
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ptr = 0;
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for (NodeImpl* child = parent->firstChild(); child; child = child->nextSibling())
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if (child->id() == ChildId) {
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ptr = static_cast<ElementImpl*>(child);
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break;
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}
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}
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return static_cast<ChildType*>(ptr);
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}
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void childAdded(ElementImpl* parent, NodeImpl* child) {
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if (ptr)
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ptr = parent; //No clue now..
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else
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ptr = child;
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}
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void childAppended(NodeImpl* child) {
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if (!ptr)
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ptr = child;
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}
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void childRemoved(ElementImpl* parent, NodeImpl* child) {
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if (child == ptr)
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ptr = parent; //We removed what was pointing - no clue now..
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//else things are unchanged.
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}
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void operator =(ChildType* child) {
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ptr = child;
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}
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private:
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mutable NodeImpl* ptr;
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};
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// -------------------------------------------------------------------------
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class HTMLTableElementImpl : public HTMLElementImpl
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{
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public:
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enum Rules {
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None = 0x00,
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RGroups = 0x01,
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CGroups = 0x02,
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Groups = 0x03,
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Rows = 0x05,
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Cols = 0x0a,
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All = 0x0f
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};
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enum Frame {
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Void = 0x00,
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Above = 0x01,
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Below = 0x02,
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Lhs = 0x04,
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Rhs = 0x08,
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Hsides = 0x03,
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Vsides = 0x0c,
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Box = 0x0f
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};
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HTMLTableElementImpl(DocumentImpl *doc);
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~HTMLTableElementImpl();
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virtual Id id() const;
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HTMLTableCaptionElementImpl *caption() const { return tCaption.get(this); }
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NodeImpl *setCaption( HTMLTableCaptionElementImpl * );
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HTMLTableSectionElementImpl *tHead() const { return head.get(this); }
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NodeImpl *setTHead( HTMLTableSectionElementImpl * );
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HTMLTableSectionElementImpl *tFoot() const { return foot.get(this); }
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NodeImpl *setTFoot( HTMLTableSectionElementImpl * );
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NodeImpl *setTBody( HTMLTableSectionElementImpl * );
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HTMLElementImpl *createTHead ( );
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void deleteTHead ( );
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HTMLElementImpl *createTFoot ( );
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void deleteTFoot ( );
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HTMLElementImpl *createCaption ( );
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void deleteCaption ( );
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HTMLElementImpl *insertRow ( long index, int &exceptioncode );
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void deleteRow ( long index, int &exceptioncode );
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// overrides
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virtual NodeImpl *addChild(NodeImpl *child);
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virtual NodeImpl *insertBefore ( NodeImpl *newChild, NodeImpl *refChild, int &exceptioncode );
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virtual void tqreplaceChild ( NodeImpl *newChild, NodeImpl *oldChild, int &exceptioncode );
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virtual void removeChild ( NodeImpl *oldChild, int &exceptioncode );
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virtual NodeImpl *appendChild ( NodeImpl *newChild, int &exceptioncode );
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virtual void parseAttribute(AttributeImpl *attr);
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virtual void attach();
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virtual void close();
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/* Tries to tqfind the section containing row number outIndex.
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Returns whether it succeeded or not. negative outIndex values
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are interpreted as being infinite.
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On success, outSection, outIndex points to section, and index in that
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section.
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On failure, outSection points to the last section of the table, and
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index is the offset the row would have if there was an additional section.
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*/
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bool tqfindRowSection(long inIndex,
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HTMLTableSectionElementImpl*& outSection,
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long& outIndex) const;
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protected:
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//Actual implementations of keeping things in place.
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void handleChildAdd ( NodeImpl *newChild );
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void handleChildAppend( NodeImpl *newChild );
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void handleChildRemove( NodeImpl *oldChild );
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void updateFrame();
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ChildHolder<HTMLTableSectionElementImpl, ID_THEAD> head;
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ChildHolder<HTMLTableSectionElementImpl, ID_TFOOT> foot;
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ChildHolder<HTMLTableSectionElementImpl, ID_TBODY> firstBody;
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ChildHolder<HTMLTableCaptionElementImpl, ID_CAPTION> tCaption;
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HTMLTableSectionElementImpl *tFirstBody() const { return firstBody.get(this); }
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Frame frame : 4;
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Rules rules : 4;
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bool m_solid : 1;
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uint unused : 7;
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ushort padding : 16;
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friend class HTMLTableCellElementImpl;
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};
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} //namespace
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#endif
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