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tdelibs/khtml/html/html_blockimpl.cpp

372 lines
12 KiB

/**
* This file is part of the DOM implementation for KDE.
*
* Copyright (C) 1999-2003 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* (C) 2003 Apple Computer, Inc.
* (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
*
* 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.
*
*/
// -------------------------------------------------------------------------
//#define DEBUG
#include "html_blockimpl.h"
#include "html_documentimpl.h"
#include "css/cssstyleselector.h"
#include "css/cssproperties.h"
#include "css/cssvalues.h"
#include "misc/htmlhashes.h"
#include <kdebug.h>
using namespace khtml;
using namespace DOM;
void HTMLDivElementImpl::parseAttribute(AttributeImpl *attr)
{
switch(attr->id())
{
case ATTR_ALIGN:
{
DOMString v = attr->value().lower();
if ( strcmp( v, "middle" ) == 0 || strcmp( v, "center" ) == 0 )
addCSSProperty(CSS_PROP_TEXT_ALIGN, CSS_VAL__KHTML_CENTER);
else if (strcmp(v, "left") == 0)
addCSSProperty(CSS_PROP_TEXT_ALIGN, CSS_VAL__KHTML_LEFT);
else if (strcmp(v, "right") == 0)
addCSSProperty(CSS_PROP_TEXT_ALIGN, CSS_VAL__KHTML_RIGHT);
else
addCSSProperty(CSS_PROP_TEXT_ALIGN, v);
break;
}
default:
HTMLElementImpl::parseAttribute(attr);
}
}
// -------------------------------------------------------------------------
NodeImpl::Id HTMLHRElementImpl::id() const
{
return ID_HR;
}
void HTMLHRElementImpl::parseAttribute(AttributeImpl *attr)
{
switch( attr->id() )
{
case ATTR_ALIGN: {
if (strcasecmp(attr->value(), "left") == 0) {
addCSSProperty(CSS_PROP_MARGIN_LEFT, "0");
addCSSProperty(CSS_PROP_MARGIN_RIGHT, CSS_VAL_AUTO);
}
else if (strcasecmp(attr->value(), "right") == 0) {
addCSSProperty(CSS_PROP_MARGIN_LEFT, CSS_VAL_AUTO);
addCSSProperty(CSS_PROP_MARGIN_RIGHT, "0");
}
else {
addCSSProperty(CSS_PROP_MARGIN_LEFT, CSS_VAL_AUTO);
addCSSProperty(CSS_PROP_MARGIN_RIGHT, CSS_VAL_AUTO);
}
break;
}
case ATTR_WIDTH:
{
if(!attr->val()) break;
// cheap hack to cause linebreaks
// khtmltests/html/strange_hr.html
bool ok;
int v = attr->val()->toInt(&ok);
if(ok && !v)
addCSSLength(CSS_PROP_WIDTH, "1");
else
addCSSLength(CSS_PROP_WIDTH, attr->value());
}
break;
default:
HTMLElementImpl::parseAttribute(attr);
}
}
// ### make sure we undo what we did during detach
void HTMLHRElementImpl::attach()
{
if (attributes(true /* readonly */)) {
// there are some attributes, lets check
DOMString color = getAttribute(ATTR_COLOR);
DOMStringImpl* si = getAttribute(ATTR_SIZE).implementation();
int _s = si ? si->toInt() : -1;
DOMString n("1");
if (!color.isNull()) {
addCSSProperty(CSS_PROP_BORDER_TOP_STYLE, CSS_VAL_SOLID);
addCSSProperty(CSS_PROP_BORDER_RIGHT_STYLE, CSS_VAL_SOLID);
addCSSProperty(CSS_PROP_BORDER_BOTTOM_STYLE, CSS_VAL_SOLID);
addCSSProperty(CSS_PROP_BORDER_LEFT_STYLE, CSS_VAL_SOLID);
addCSSProperty(CSS_PROP_BORDER_TOP_WIDTH, DOMString("0"));
addCSSLength(CSS_PROP_BORDER_BOTTOM_WIDTH, DOMString(si));
addHTMLColor(CSS_PROP_BORDER_COLOR, color);
}
else {
if (_s > 1 && getAttribute(ATTR_NOSHADE).isNull()) {
addCSSProperty(CSS_PROP_BORDER_BOTTOM_WIDTH, n);
addCSSProperty(CSS_PROP_BORDER_TOP_WIDTH, n);
addCSSProperty(CSS_PROP_BORDER_LEFT_WIDTH, n);
addCSSProperty(CSS_PROP_BORDER_RIGHT_WIDTH, n);
addCSSLength(CSS_PROP_HEIGHT, DOMString(TQString::number(_s-2)));
}
else if (_s >= 0) {
addCSSProperty(CSS_PROP_BORDER_TOP_WIDTH, DOMString(TQString::number(_s)));
addCSSProperty(CSS_PROP_BORDER_BOTTOM_WIDTH, DOMString("0"));
}
}
if (_s == 0)
addCSSProperty(CSS_PROP_MARGIN_BOTTOM, n);
}
HTMLElementImpl::attach();
}
// -------------------------------------------------------------------------
long HTMLPreElementImpl::width() const
{
// ###
return 0;
}
void HTMLPreElementImpl::setWidth( long /*w*/ )
{
// ###
}
// -------------------------------------------------------------------------
// WinIE uses 60ms as the minimum delay by default.
const int defaultMinimumDelay = 60;
HTMLMarqueeElementImpl::HTMLMarqueeElementImpl(DocumentImpl *doc)
: HTMLElementImpl(doc),
m_minimumDelay(defaultMinimumDelay)
{
}
NodeImpl::Id HTMLMarqueeElementImpl::id() const
{
return ID_MARQUEE;
}
void HTMLMarqueeElementImpl::parseAttribute(AttributeImpl *attr)
{
switch(attr->id())
{
case ATTR_WIDTH:
if (!attr->value().isEmpty())
addCSSLength(CSS_PROP_WIDTH, attr->value());
else
removeCSSProperty(CSS_PROP_WIDTH);
break;
case ATTR_HEIGHT:
if (!attr->value().isEmpty())
addCSSLength(CSS_PROP_HEIGHT, attr->value());
else
removeCSSProperty(CSS_PROP_HEIGHT);
break;
case ATTR_BGCOLOR:
if (!attr->value().isEmpty())
addHTMLColor(CSS_PROP_BACKGROUND_COLOR, attr->value());
else
removeCSSProperty(CSS_PROP_BACKGROUND_COLOR);
break;
case ATTR_VSPACE:
if (!attr->value().isEmpty()) {
addCSSLength(CSS_PROP_MARGIN_TOP, attr->value());
addCSSLength(CSS_PROP_MARGIN_BOTTOM, attr->value());
}
else {
removeCSSProperty(CSS_PROP_MARGIN_TOP);
removeCSSProperty(CSS_PROP_MARGIN_BOTTOM);
}
break;
case ATTR_HSPACE:
if (!attr->value().isEmpty()) {
addCSSLength(CSS_PROP_MARGIN_LEFT, attr->value());
addCSSLength(CSS_PROP_MARGIN_RIGHT, attr->value());
}
else {
removeCSSProperty(CSS_PROP_MARGIN_LEFT);
removeCSSProperty(CSS_PROP_MARGIN_RIGHT);
}
break;
case ATTR_SCROLLAMOUNT:
if (!attr->value().isEmpty())
addCSSLength(CSS_PROP__KHTML_MARQUEE_INCREMENT, attr->value());
else
removeCSSProperty(CSS_PROP__KHTML_MARQUEE_INCREMENT);
break;
case ATTR_SCROLLDELAY:
if (!attr->value().isEmpty())
addCSSLength(CSS_PROP__KHTML_MARQUEE_SPEED, attr->value(), true);
else
removeCSSProperty(CSS_PROP__KHTML_MARQUEE_SPEED);
break;
case ATTR_LOOP:
if (!attr->value().isEmpty()) {
if (attr->value() == "-1" || strcasecmp(attr->value(), "infinite") == 0)
addCSSProperty(CSS_PROP__KHTML_MARQUEE_REPETITION, CSS_VAL_INFINITE);
else
addCSSLength(CSS_PROP__KHTML_MARQUEE_REPETITION, attr->value().lower(), true);
}
else
removeCSSProperty(CSS_PROP__KHTML_MARQUEE_REPETITION);
break;
case ATTR_BEHAVIOR:
if (!attr->value().isEmpty())
addCSSProperty(CSS_PROP__KHTML_MARQUEE_STYLE, attr->value().lower());
else
removeCSSProperty(CSS_PROP__KHTML_MARQUEE_STYLE);
break;
case ATTR_DIRECTION:
if (!attr->value().isEmpty())
addCSSProperty(CSS_PROP__KHTML_MARQUEE_DIRECTION, attr->value().lower());
else
removeCSSProperty(CSS_PROP__KHTML_MARQUEE_DIRECTION);
break;
case ATTR_TRUESPEED:
m_minimumDelay = attr->val() ? 0 : defaultMinimumDelay;
break;
default:
HTMLElementImpl::parseAttribute(attr);
}
}
// ------------------------------------------------------------------------
HTMLLayerElementImpl::HTMLLayerElementImpl(DocumentImpl *doc, ushort _tagid)
: HTMLDivElementImpl( doc, _tagid )
{
transparent = fixed = false;
}
void HTMLLayerElementImpl::parseAttribute(AttributeImpl *attr)
{
// Layers are evil
// They are mainly implemented here to correctly parse the hidden attribute
switch(attr->id()) {
case ATTR_LEFT:
addCSSProperty(CSS_PROP_LEFT, attr->value());
break;
case ATTR_TOP:
addCSSProperty(CSS_PROP_TOP, attr->value());
break;
case ATTR_PAGEX:
if (!transparent && !fixed) {
addCSSProperty(CSS_PROP_POSITION, CSS_VAL_FIXED);
fixed = true;
}
addCSSProperty(CSS_PROP_LEFT, attr->value());
break;
case ATTR_PAGEY:
if (!transparent && !fixed) {
addCSSProperty(CSS_PROP_POSITION, CSS_VAL_FIXED);
fixed = true;
}
addCSSProperty(CSS_PROP_TOP, attr->value());
break;
case ATTR_WIDTH:
if (!attr->value().isEmpty())
addCSSLength(CSS_PROP_WIDTH, attr->value());
else
removeCSSProperty(CSS_PROP_WIDTH);
break;
case ATTR_HEIGHT:
if (!attr->value().isEmpty())
addCSSLength(CSS_PROP_HEIGHT, attr->value());
else
removeCSSProperty(CSS_PROP_HEIGHT);
break;
case ATTR_BGCOLOR:
if (!attr->value().isEmpty())
addHTMLColor(CSS_PROP_BACKGROUND_COLOR, attr->value());
else
removeCSSProperty(CSS_PROP_BACKGROUND_COLOR);
break;
case ATTR_Z_INDEX:
if (!attr->value().isEmpty())
addCSSProperty(CSS_PROP_Z_INDEX, attr->value());
else
removeCSSProperty(CSS_PROP_Z_INDEX);
break;
case ATTR_VISIBILITY:
if (attr->value().lower() == "show")
addCSSProperty(CSS_PROP_VISIBILITY, CSS_VAL_VISIBLE);
else if (attr->value().lower() == "hide")
addCSSProperty(CSS_PROP_VISIBILITY, CSS_VAL_HIDDEN);
else if (attr->value().lower() == "inherit")
addCSSProperty(CSS_PROP_VISIBILITY, CSS_VAL_INHERIT);
break;
case ATTR_NAME:
if (id() == ID_LAYER && inDocument() && m_name != attr->value()) {
getDocument()->underDocNamedCache().remove(m_name.string(), this);
getDocument()->underDocNamedCache().add (attr->value().string(), this);
}
//fallthrough
default:
HTMLElementImpl::parseAttribute(attr);
}
}
void HTMLLayerElementImpl::removedFromDocument()
{
if (id() == ID_LAYER)
getDocument()->underDocNamedCache().remove(m_name.string(), this);
HTMLDivElementImpl::removedFromDocument();
}
void HTMLLayerElementImpl::insertedIntoDocument()
{
if (id() == ID_LAYER)
getDocument()->underDocNamedCache().add(m_name.string(), this);
HTMLDivElementImpl::insertedIntoDocument();
}
void HTMLLayerElementImpl::removeId(const TQString& id)
{
getDocument()->underDocNamedCache().remove(id, this);
HTMLDivElementImpl::removeId(id);
}
void HTMLLayerElementImpl::addId (const TQString& id)
{
getDocument()->underDocNamedCache().add(id, this);
HTMLDivElementImpl::addId(id);
}
NodeImpl *HTMLLayerElementImpl::addChild(NodeImpl *child)
{
NodeImpl *retval = HTMLDivElementImpl::addChild(child);
// When someone adds standard layers, we make sure not to interfere
if (retval && retval->id() == ID_DIV) {
if (!transparent)
addCSSProperty(CSS_PROP_POSITION, CSS_VAL_STATIC);
transparent = true;
}
return retval;
}