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+/*
+ * This file is part of the DOM implementation for KDE.
+ *
+ * Copyright (C) 1997 Martin Jones (mjones@kde.org)
+ * (C) 1997 Torben Weis (weis@kde.org)
+ * (C) 1998 Waldo Bastian (bastian@kde.org)
+ * (C) 1999 Lars Knoll (knoll@kde.org)
+ * (C) 1999 Antti Koivisto (koivisto@kde.org)
+ * (C) 2006 Maksim Orlovich (maksim@kde.org)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+#ifndef HTML_TABLEIMPL_H
+#define HTML_TABLEIMPL_H
+
+#include "misc/htmltags.h"
+#include "html/html_elementimpl.h"
+
+namespace DOM {
+
+class DOMString;
+class HTMLTableElementImpl;
+class HTMLTableSectionElementImpl;
+class HTMLTableSectionElement;
+class HTMLTableRowElementImpl;
+class HTMLTableRowElement;
+class HTMLTableCellElementImpl;
+class HTMLTableCellElement;
+class HTMLTableColElementImpl;
+class HTMLTableColElement;
+class HTMLTableCaptionElementImpl;
+class HTMLTableCaptionElement;
+class HTMLElement;
+class HTMLCollection;
+
+// -------------------------------------------------------------------------
+
+class HTMLTablePartElementImpl : public HTMLElementImpl
+
+{
+public:
+ HTMLTablePartElementImpl(DocumentImpl *doc)
+ : HTMLElementImpl(doc)
+ { }
+
+ virtual void parseAttribute(AttributeImpl *attr);
+};
+
+// -------------------------------------------------------------------------
+
+class HTMLTableSectionElementImpl : public HTMLTablePartElementImpl
+{
+public:
+ HTMLTableSectionElementImpl(DocumentImpl *doc, ushort tagid, bool implicit);
+
+ ~HTMLTableSectionElementImpl();
+
+ virtual Id id() const;
+
+ HTMLElementImpl *insertRow ( long index, int& exceptioncode );
+ void deleteRow ( long index, int& exceptioncode );
+
+ int numRows() const;
+
+protected:
+ ushort _id;
+};
+
+// -------------------------------------------------------------------------
+
+class HTMLTableRowElementImpl : public HTMLTablePartElementImpl
+{
+public:
+ HTMLTableRowElementImpl(DocumentImpl *doc)
+ : HTMLTablePartElementImpl(doc) {}
+
+ virtual Id id() const;
+
+ long rowIndex() const;
+ long sectionRowIndex() const;
+
+ HTMLElementImpl *insertCell ( long index, int &exceptioncode );
+ void deleteCell ( long index, int &exceptioncode );
+
+protected:
+ int ncols;
+};
+
+// -------------------------------------------------------------------------
+
+class HTMLTableCellElementImpl : public HTMLTablePartElementImpl
+{
+public:
+ HTMLTableCellElementImpl(DocumentImpl *doc, int tagId);
+ ~HTMLTableCellElementImpl();
+
+ long cellIndex() const;
+
+ int col() const { return _col; }
+ void setCol(int col) { _col = col; }
+ int row() const { return _row; }
+ void setRow(int r) { _row = r; }
+
+ int colSpan() const { return cSpan; }
+ int rowSpan() const { return rSpan; }
+
+ virtual Id id() const { return _id; }
+ virtual void parseAttribute(AttributeImpl *attr);
+ virtual void attach();
+
+protected:
+ int _row;
+ int _col;
+ int rSpan;
+ int cSpan;
+ int _id;
+ int rowHeight;
+ bool m_solid : 1;
+ bool m_nowrap : 1;
+};
+
+// -------------------------------------------------------------------------
+
+class HTMLTableColElementImpl : public HTMLTablePartElementImpl
+{
+public:
+ HTMLTableColElementImpl(DocumentImpl *doc, ushort i);
+
+ virtual Id id() const;
+
+ void setTable(HTMLTableElementImpl *t) { table = t; }
+
+ // overrides
+ virtual void parseAttribute(AttributeImpl *attr);
+
+ int span() const { return _span; }
+
+protected:
+ // could be ID_COL or ID_COLGROUP ... The DOM is not quite clear on
+ // this, but since both elements work quite similar, we use one
+ // DOMElement for them...
+ ushort _id;
+ int _span;
+ HTMLTableElementImpl *table;
+};
+
+// -------------------------------------------------------------------------
+
+class HTMLTableCaptionElementImpl : public HTMLTablePartElementImpl
+{
+public:
+ HTMLTableCaptionElementImpl(DocumentImpl *doc)
+ : HTMLTablePartElementImpl(doc) {}
+
+ virtual Id id() const;
+ virtual void parseAttribute(AttributeImpl *attr);
+};
+
+// -------------------------------------------------------------------------
+
+/*
+This class helps memorize pointers to child objects that may be
+yanked around via the DOM. It always picks the first pointer of the
+given type.
+
+The pointer it stores can have 3 meanings:
+0 -- no child
+parent -- no idea about the state
+other -- pointer to the child
+*/
+template<typename ChildType, int ChildId> class ChildHolder
+{
+public:
+ ChildHolder():ptr(0) {}
+
+ ChildType* get(const ElementImpl* parent) const {
+ if (static_cast<const NodeImpl *>(ptr) == parent) {
+ //Do lookup.
+ ptr = 0;
+ for (NodeImpl* child = parent->firstChild(); child; child = child->nextSibling())
+ if (child->id() == ChildId) {
+ ptr = static_cast<ElementImpl*>(child);
+ break;
+ }
+ }
+ return static_cast<ChildType*>(ptr);
+ }
+
+ void childAdded(ElementImpl* parent, NodeImpl* child) {
+ if (ptr)
+ ptr = parent; //No clue now..
+ else
+ ptr = child;
+ }
+
+ void childAppended(NodeImpl* child) {
+ if (!ptr)
+ ptr = child;
+ }
+
+ void childRemoved(ElementImpl* parent, NodeImpl* child) {
+ if (child == ptr)
+ ptr = parent; //We removed what was pointing - no clue now..
+ //else things are unchanged.
+ }
+
+ void operator =(ChildType* child) {
+ ptr = child;
+ }
+private:
+ mutable NodeImpl* ptr;
+};
+
+// -------------------------------------------------------------------------
+class HTMLTableElementImpl : public HTMLElementImpl
+{
+public:
+ enum Rules {
+ None = 0x00,
+ RGroups = 0x01,
+ CGroups = 0x02,
+ Groups = 0x03,
+ Rows = 0x05,
+ Cols = 0x0a,
+ All = 0x0f
+ };
+ enum Frame {
+ Void = 0x00,
+ Above = 0x01,
+ Below = 0x02,
+ Lhs = 0x04,
+ Rhs = 0x08,
+ Hsides = 0x03,
+ Vsides = 0x0c,
+ Box = 0x0f
+ };
+
+ HTMLTableElementImpl(DocumentImpl *doc);
+ ~HTMLTableElementImpl();
+
+ virtual Id id() const;
+
+ HTMLTableCaptionElementImpl *caption() const { return tCaption.get(this); }
+ NodeImpl *setCaption( HTMLTableCaptionElementImpl * );
+
+ HTMLTableSectionElementImpl *tHead() const { return head.get(this); }
+ NodeImpl *setTHead( HTMLTableSectionElementImpl * );
+
+ HTMLTableSectionElementImpl *tFoot() const { return foot.get(this); }
+ NodeImpl *setTFoot( HTMLTableSectionElementImpl * );
+
+ NodeImpl *setTBody( HTMLTableSectionElementImpl * );
+
+ HTMLElementImpl *createTHead ( );
+ void deleteTHead ( );
+ HTMLElementImpl *createTFoot ( );
+ void deleteTFoot ( );
+ HTMLElementImpl *createCaption ( );
+ void deleteCaption ( );
+ HTMLElementImpl *insertRow ( long index, int &exceptioncode );
+ void deleteRow ( long index, int &exceptioncode );
+
+ // overrides
+ virtual NodeImpl *addChild(NodeImpl *child);
+ virtual NodeImpl *insertBefore ( NodeImpl *newChild, NodeImpl *refChild, int &exceptioncode );
+ virtual void replaceChild ( NodeImpl *newChild, NodeImpl *oldChild, int &exceptioncode );
+ virtual void removeChild ( NodeImpl *oldChild, int &exceptioncode );
+ virtual NodeImpl *appendChild ( NodeImpl *newChild, int &exceptioncode );
+
+ virtual void parseAttribute(AttributeImpl *attr);
+ virtual void attach();
+ virtual void close();
+
+ /* Tries to find the section containing row number outIndex.
+ Returns whether it succeeded or not. negative outIndex values
+ are interpreted as being infinite.
+
+ On success, outSection, outIndex points to section, and index in that
+ section.
+
+ On failure, outSection points to the last section of the table, and
+ index is the offset the row would have if there was an additional section.
+ */
+ bool findRowSection(long inIndex,
+ HTMLTableSectionElementImpl*& outSection,
+ long& outIndex) const;
+protected:
+ //Actual implementations of keeping things in place.
+ void handleChildAdd ( NodeImpl *newChild );
+ void handleChildAppend( NodeImpl *newChild );
+ void handleChildRemove( NodeImpl *oldChild );
+
+ void updateFrame();
+
+ ChildHolder<HTMLTableSectionElementImpl, ID_THEAD> head;
+ ChildHolder<HTMLTableSectionElementImpl, ID_TFOOT> foot;
+ ChildHolder<HTMLTableSectionElementImpl, ID_TBODY> firstBody;
+ ChildHolder<HTMLTableCaptionElementImpl, ID_CAPTION> tCaption;
+
+ HTMLTableSectionElementImpl *tFirstBody() const { return firstBody.get(this); }
+
+ Frame frame : 4;
+ Rules rules : 4;
+
+ bool m_solid : 1;
+ uint unused : 7;
+ ushort padding : 16;
+ friend class HTMLTableCellElementImpl;
+};
+
+
+} //namespace
+
+#endif
+
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-04 21:28:01 +0000