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qt3/tools/designer/shared/domtool.cpp

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/**********************************************************************
** Copyright (C) 2005-2008 Trolltech ASA. All rights reserved.
**
** This file is part of Qt Designer.
**
** This file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free
** Software Foundation and appearing in the files LICENSE.GPL2
** and LICENSE.GPL3 included in the packaging of this file.
** Alternatively you may (at your option) use any later version
** of the GNU General Public License if such license has been
** publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free Qt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with
** the Software.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/
#include "domtool.h"
#include <qsizepolicy.h>
#include <qcolor.h>
#include <qcursor.h>
#include <qdatetime.h>
#include <qrect.h>
#include <qsize.h>
#include <qfont.h>
#include <qdom.h>
/*!
\class DomTool domtool.h
\brief Tools for the dom
A collection of static functions used by Resource (part of the
designer) and Uic.
*/
/*!
Returns the contents of property \a name of object \a e as
variant or the variant passed as \a defValue if the property does
not exist.
\sa hasProperty()
*/
QVariant DomTool::readProperty( const QDomElement& e, const QString& name, const QVariant& defValue, QString& comment )
{
QDomElement n;
for ( n = e.firstChild().toElement(); !n.isNull(); n = n.nextSibling().toElement() ) {
if ( n.tagName() == "property" ) {
if ( n.attribute( "name" ) != name )
continue;
return elementToVariant( n.firstChild().toElement(), defValue, comment );
}
}
return defValue;
}
/*!
\overload
*/
QVariant DomTool::readProperty( const QDomElement& e, const QString& name, const QVariant& defValue )
{
QString comment;
return readProperty( e, name, defValue, comment );
}
/*!
Returns wheter object \a e defines property \a name or not.
\sa readProperty()
*/
bool DomTool::hasProperty( const QDomElement& e, const QString& name )
{
QDomElement n;
for ( n = e.firstChild().toElement(); !n.isNull(); n = n.nextSibling().toElement() ) {
if ( n.tagName() == "property" ) {
if ( n.attribute( "name" ) != name )
continue;
return TRUE;
}
}
return FALSE;
}
QStringList DomTool::propertiesOfType( const QDomElement& e, const QString& type )
{
QStringList result;
QDomElement n;
for ( n = e.firstChild().toElement(); !n.isNull(); n = n.nextSibling().toElement() ) {
if ( n.tagName() == "property" ) {
QDomElement n2 = n.firstChild().toElement();
if ( n2.tagName() == type )
result += n.attribute( "name" );
}
}
return result;
}
QVariant DomTool::elementToVariant( const QDomElement& e, const QVariant& defValue )
{
QString dummy;
return elementToVariant( e, defValue, dummy );
}
/*!
Interprets element \a e as variant and returns the result of the interpretation.
*/
QVariant DomTool::elementToVariant( const QDomElement& e, const QVariant& defValue, QString &comment )
{
QVariant v;
if ( e.tagName() == "rect" ) {
QDomElement n3 = e.firstChild().toElement();
int x = 0, y = 0, w = 0, h = 0;
while ( !n3.isNull() ) {
if ( n3.tagName() == "x" )
x = n3.firstChild().toText().data().toInt();
else if ( n3.tagName() == "y" )
y = n3.firstChild().toText().data().toInt();
else if ( n3.tagName() == "width" )
w = n3.firstChild().toText().data().toInt();
else if ( n3.tagName() == "height" )
h = n3.firstChild().toText().data().toInt();
n3 = n3.nextSibling().toElement();
}
v = QVariant( QRect( x, y, w, h ) );
} else if ( e.tagName() == "point" ) {
QDomElement n3 = e.firstChild().toElement();
int x = 0, y = 0;
while ( !n3.isNull() ) {
if ( n3.tagName() == "x" )
x = n3.firstChild().toText().data().toInt();
else if ( n3.tagName() == "y" )
y = n3.firstChild().toText().data().toInt();
n3 = n3.nextSibling().toElement();
}
v = QVariant( QPoint( x, y ) );
} else if ( e.tagName() == "size" ) {
QDomElement n3 = e.firstChild().toElement();
int w = 0, h = 0;
while ( !n3.isNull() ) {
if ( n3.tagName() == "width" )
w = n3.firstChild().toText().data().toInt();
else if ( n3.tagName() == "height" )
h = n3.firstChild().toText().data().toInt();
n3 = n3.nextSibling().toElement();
}
v = QVariant( QSize( w, h ) );
} else if ( e.tagName() == "color" ) {
v = QVariant( readColor( e ) );
} else if ( e.tagName() == "font" ) {
QDomElement n3 = e.firstChild().toElement();
QFont f( defValue.toFont() );
while ( !n3.isNull() ) {
if ( n3.tagName() == "family" )
f.setFamily( n3.firstChild().toText().data() );
else if ( n3.tagName() == "pointsize" )
f.setPointSize( n3.firstChild().toText().data().toInt() );
else if ( n3.tagName() == "bold" )
f.setBold( n3.firstChild().toText().data().toInt() );
else if ( n3.tagName() == "italic" )
f.setItalic( n3.firstChild().toText().data().toInt() );
else if ( n3.tagName() == "underline" )
f.setUnderline( n3.firstChild().toText().data().toInt() );
else if ( n3.tagName() == "strikeout" )
f.setStrikeOut( n3.firstChild().toText().data().toInt() );
n3 = n3.nextSibling().toElement();
}
v = QVariant( f );
} else if ( e.tagName() == "string" ) {
v = QVariant( e.firstChild().toText().data() );
QDomElement n = e;
n = n.nextSibling().toElement();
if ( n.tagName() == "comment" )
comment = n.firstChild().toText().data();
} else if ( e.tagName() == "cstring" ) {
v = QVariant( QCString( e.firstChild().toText().data() ) );
} else if ( e.tagName() == "number" ) {
bool ok = TRUE;
v = QVariant( e.firstChild().toText().data().toInt( &ok ) );
if ( !ok )
v = QVariant( e.firstChild().toText().data().toDouble() );
} else if ( e.tagName() == "bool" ) {
QString t = e.firstChild().toText().data();
v = QVariant( t == "true" || t == "1" );
} else if ( e.tagName() == "pixmap" ) {
v = QVariant( e.firstChild().toText().data() );
} else if ( e.tagName() == "iconset" ) {
v = QVariant( e.firstChild().toText().data() );
} else if ( e.tagName() == "image" ) {
v = QVariant( e.firstChild().toText().data() );
} else if ( e.tagName() == "enum" ) {
v = QVariant( e.firstChild().toText().data() );
} else if ( e.tagName() == "set" ) {
v = QVariant( e.firstChild().toText().data() );
} else if ( e.tagName() == "sizepolicy" ) {
QDomElement n3 = e.firstChild().toElement();
QSizePolicy sp;
while ( !n3.isNull() ) {
if ( n3.tagName() == "hsizetype" )
sp.setHorData( (QSizePolicy::SizeType)n3.firstChild().toText().data().toInt() );
else if ( n3.tagName() == "vsizetype" )
sp.setVerData( (QSizePolicy::SizeType)n3.firstChild().toText().data().toInt() );
else if ( n3.tagName() == "horstretch" )
sp.setHorStretch( n3.firstChild().toText().data().toInt() );
else if ( n3.tagName() == "verstretch" )
sp.setVerStretch( n3.firstChild().toText().data().toInt() );
n3 = n3.nextSibling().toElement();
}
v = QVariant( sp );
} else if ( e.tagName() == "cursor" ) {
v = QVariant( QCursor( e.firstChild().toText().data().toInt() ) );
} else if ( e.tagName() == "stringlist" ) {
QStringList lst;
QDomElement n;
for ( n = e.firstChild().toElement(); !n.isNull(); n = n.nextSibling().toElement() )
lst << n.firstChild().toText().data();
v = QVariant( lst );
} else if ( e.tagName() == "date" ) {
QDomElement n3 = e.firstChild().toElement();
int y, m, d;
y = m = d = 0;
while ( !n3.isNull() ) {
if ( n3.tagName() == "year" )
y = n3.firstChild().toText().data().toInt();
else if ( n3.tagName() == "month" )
m = n3.firstChild().toText().data().toInt();
else if ( n3.tagName() == "day" )
d = n3.firstChild().toText().data().toInt();
n3 = n3.nextSibling().toElement();
}
v = QVariant( QDate( y, m, d ) );
} else if ( e.tagName() == "time" ) {
QDomElement n3 = e.firstChild().toElement();
int h, m, s;
h = m = s = 0;
while ( !n3.isNull() ) {
if ( n3.tagName() == "hour" )
h = n3.firstChild().toText().data().toInt();
else if ( n3.tagName() == "minute" )
m = n3.firstChild().toText().data().toInt();
else if ( n3.tagName() == "second" )
s = n3.firstChild().toText().data().toInt();
n3 = n3.nextSibling().toElement();
}
v = QVariant( QTime( h, m, s ) );
} else if ( e.tagName() == "datetime" ) {
QDomElement n3 = e.firstChild().toElement();
int h, mi, s, y, mo, d ;
h = mi = s = y = mo = d = 0;
while ( !n3.isNull() ) {
if ( n3.tagName() == "hour" )
h = n3.firstChild().toText().data().toInt();
else if ( n3.tagName() == "minute" )
mi = n3.firstChild().toText().data().toInt();
else if ( n3.tagName() == "second" )
s = n3.firstChild().toText().data().toInt();
else if ( n3.tagName() == "year" )
y = n3.firstChild().toText().data().toInt();
else if ( n3.tagName() == "month" )
mo = n3.firstChild().toText().data().toInt();
else if ( n3.tagName() == "day" )
d = n3.firstChild().toText().data().toInt();
n3 = n3.nextSibling().toElement();
}
v = QVariant( QDateTime( QDate( y, mo, d ), QTime( h, mi, s ) ) );
}
return v;
}
/*! Returns the color which is returned in the dom element \a e.
*/
QColor DomTool::readColor( const QDomElement &e )
{
QDomElement n = e.firstChild().toElement();
int r= 0, g = 0, b = 0;
while ( !n.isNull() ) {
if ( n.tagName() == "red" )
r = n.firstChild().toText().data().toInt();
else if ( n.tagName() == "green" )
g = n.firstChild().toText().data().toInt();
else if ( n.tagName() == "blue" )
b = n.firstChild().toText().data().toInt();
n = n.nextSibling().toElement();
}
return QColor( r, g, b );
}
/*!
Returns the contents of attribute \a name of object \a e as
variant or the variant passed as \a defValue if the attribute does
not exist.
\sa hasAttribute()
*/
QVariant DomTool::readAttribute( const QDomElement& e, const QString& name, const QVariant& defValue, QString& comment )
{
QDomElement n;
for ( n = e.firstChild().toElement(); !n.isNull(); n = n.nextSibling().toElement() ) {
if ( n.tagName() == "attribute" ) {
if ( n.attribute( "name" ) != name )
continue;
return elementToVariant( n.firstChild().toElement(), defValue, comment );
}
}
return defValue;
}
/*!
\overload
*/
QVariant DomTool::readAttribute( const QDomElement& e, const QString& name, const QVariant& defValue )
{
QString comment;
return readAttribute( e, name, defValue, comment );
}
/*!
Returns wheter object \a e defines attribute \a name or not.
\sa readAttribute()
*/
bool DomTool::hasAttribute( const QDomElement& e, const QString& name )
{
QDomElement n;
for ( n = e.firstChild().toElement(); !n.isNull(); n = n.nextSibling().toElement() ) {
if ( n.tagName() == "attribute" ) {
if ( n.attribute( "name" ) != name )
continue;
return TRUE;
}
}
return FALSE;
}
static bool toBool( const QString& s )
{
return s == "true" || s.toInt() != 0;
}
/*!
Convert Qt 2.x format to Qt 3.0 format if necessary
*/
void DomTool::fixDocument( QDomDocument& doc )
{
QDomElement e;
QDomNode n;
QDomNodeList nl;
int i = 0;
e = doc.firstChild().toElement();
if ( e.tagName() != "UI" )
return;
// latest version, don't do anything
if ( e.hasAttribute("version") && e.attribute("version").toDouble() > 3.0 )
return;
nl = doc.elementsByTagName( "property" );
// in 3.0, we need to fix a spelling error
if ( e.hasAttribute("version") && e.attribute("version").toDouble() == 3.0 ) {
for ( i = 0; i < (int) nl.length(); i++ ) {
QDomElement el = nl.item(i).toElement();
QString s = el.attribute( "name" );
if ( s == "resizeable" ) {
el.removeAttribute( "name" );
el.setAttribute( "name", "resizable" );
}
}
return;
}
// in versions smaller than 3.0 we need to change more
e.setAttribute( "version", 3.0 );
e.setAttribute("stdsetdef", 1 );
for ( i = 0; i < (int) nl.length(); i++ ) {
e = nl.item(i).toElement();
QString name;
QDomElement n2 = e.firstChild().toElement();
if ( n2.tagName() == "name" ) {
name = n2.firstChild().toText().data();
if ( name == "resizeable" )
e.setAttribute( "name", "resizable" );
else
e.setAttribute( "name", name );
e.removeChild( n2 );
}
bool stdset = toBool( e.attribute( "stdset" ) );
if ( stdset || name == "toolTip" || name == "whatsThis" ||
name == "buddy" ||
e.parentNode().toElement().tagName() == "item" ||
e.parentNode().toElement().tagName() == "spacer" ||
e.parentNode().toElement().tagName() == "column"
)
e.removeAttribute( "stdset" );
else
e.setAttribute( "stdset", 0 );
}
nl = doc.elementsByTagName( "attribute" );
for ( i = 0; i < (int) nl.length(); i++ ) {
e = nl.item(i).toElement();
QString name;
QDomElement n2 = e.firstChild().toElement();
if ( n2.tagName() == "name" ) {
name = n2.firstChild().toText().data();
e.setAttribute( "name", name );
e.removeChild( n2 );
}
}
nl = doc.elementsByTagName( "image" );
for ( i = 0; i < (int) nl.length(); i++ ) {
e = nl.item(i).toElement();
QString name;
QDomElement n2 = e.firstChild().toElement();
if ( n2.tagName() == "name" ) {
name = n2.firstChild().toText().data();
e.setAttribute( "name", name );
e.removeChild( n2 );
}
}
nl = doc.elementsByTagName( "widget" );
for ( i = 0; i < (int) nl.length(); i++ ) {
e = nl.item(i).toElement();
QString name;
QDomElement n2 = e.firstChild().toElement();
if ( n2.tagName() == "class" ) {
name = n2.firstChild().toText().data();
e.setAttribute( "class", name );
e.removeChild( n2 );
}
}
}