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tdevelop/kdevdesigner/shared/domtool.cpp

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/**********************************************************************
** Copyright (C) 2000 Trolltech AS. All rights reserved.
**
** This file is part of TQt Designer.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** Licensees holding valid TQt Enterprise Edition or TQt Professional Edition
** licenses may use this file in accordance with the TQt Commercial License
** Agreement provided with the Software.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/gpl/ for GPL licensing information.
** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
** information about TQt Commercial License Agreements.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/
#include "domtool.h"
#include <tqsizepolicy.h>
#include <tqcolor.h>
#include <tqcursor.h>
#include <tqdatetime.h>
#include <tqrect.h>
#include <tqsize.h>
#include <tqfont.h>
#include <tqdom.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()
*/
TQVariant DomTool::readProperty( const TQDomElement& e, const TQString& name, const TQVariant& defValue, TQString& comment )
{
TQDomElement 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
*/
TQVariant DomTool::readProperty( const TQDomElement& e, const TQString& name, const TQVariant& defValue )
{
TQString comment;
return readProperty( e, name, defValue, comment );
}
/*!
Returns wheter object \a e defines property \a name or not.
\sa readProperty()
*/
bool DomTool::hasProperty( const TQDomElement& e, const TQString& name )
{
TQDomElement 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;
}
TQStringList DomTool::propertiesOfType( const TQDomElement& e, const TQString& type )
{
TQStringList result;
TQDomElement n;
for ( n = e.firstChild().toElement(); !n.isNull(); n = n.nextSibling().toElement() ) {
if ( n.tagName() == "property" ) {
TQDomElement n2 = n.firstChild().toElement();
if ( n2.tagName() == type )
result += n.attribute( "name" );
}
}
return result;
}
TQVariant DomTool::elementToVariant( const TQDomElement& e, const TQVariant& defValue )
{
TQString dummy;
return elementToVariant( e, defValue, dummy );
}
/*!
Interprets element \a e as variant and returns the result of the interpretation.
*/
TQVariant DomTool::elementToVariant( const TQDomElement& e, const TQVariant& defValue, TQString &comment )
{
TQVariant v;
if ( e.tagName() == "rect" ) {
TQDomElement 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 = TQVariant( TQRect( x, y, w, h ) );
} else if ( e.tagName() == "point" ) {
TQDomElement 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 = TQVariant( TQPoint( x, y ) );
} else if ( e.tagName() == "size" ) {
TQDomElement 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 = TQVariant( TQSize( w, h ) );
} else if ( e.tagName() == "color" ) {
v = TQVariant( readColor( e ) );
} else if ( e.tagName() == "font" ) {
TQDomElement n3 = e.firstChild().toElement();
TQFont 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 = TQVariant( f );
} else if ( e.tagName() == "string" ) {
v = TQVariant( e.firstChild().toText().data() );
TQDomElement n = e;
n = n.nextSibling().toElement();
if ( n.tagName() == "comment" )
comment = n.firstChild().toText().data();
} else if ( e.tagName() == "cstring" ) {
v = TQVariant( TQCString( e.firstChild().toText().data().ascii() ) );
} else if ( e.tagName() == "number" ) {
bool ok = TRUE;
v = TQVariant( e.firstChild().toText().data().toInt( &ok ) );
if ( !ok )
v = TQVariant( e.firstChild().toText().data().toDouble() );
} else if ( e.tagName() == "bool" ) {
TQString t = e.firstChild().toText().data();
v = TQVariant( t == "true" || t == "1" );
} else if ( e.tagName() == "pixmap" ) {
v = TQVariant( e.firstChild().toText().data() );
} else if ( e.tagName() == "iconset" ) {
v = TQVariant( e.firstChild().toText().data() );
} else if ( e.tagName() == "image" ) {
v = TQVariant( e.firstChild().toText().data() );
} else if ( e.tagName() == "enum" ) {
v = TQVariant( e.firstChild().toText().data() );
} else if ( e.tagName() == "set" ) {
v = TQVariant( e.firstChild().toText().data() );
} else if ( e.tagName() == "sizepolicy" ) {
TQDomElement n3 = e.firstChild().toElement();
TQSizePolicy sp;
while ( !n3.isNull() ) {
if ( n3.tagName() == "hsizetype" )
sp.setHorData( (TQSizePolicy::SizeType)n3.firstChild().toText().data().toInt() );
else if ( n3.tagName() == "vsizetype" )
sp.setVerData( (TQSizePolicy::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 = TQVariant( sp );
} else if ( e.tagName() == "cursor" ) {
v = TQVariant( TQCursor( e.firstChild().toText().data().toInt() ) );
} else if ( e.tagName() == "stringlist" ) {
TQStringList lst;
TQDomElement n;
for ( n = e.firstChild().toElement(); !n.isNull(); n = n.nextSibling().toElement() )
lst << n.firstChild().toText().data();
v = TQVariant( lst );
} else if ( e.tagName() == "date" ) {
TQDomElement 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 = TQVariant( TQDate( y, m, d ) );
} else if ( e.tagName() == "time" ) {
TQDomElement 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 = TQVariant( TQTime( h, m, s ) );
} else if ( e.tagName() == "datetime" ) {
TQDomElement 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 = TQVariant( TQDateTime( TQDate( y, mo, d ), TQTime( h, mi, s ) ) );
}
return v;
}
/*! Returns the color which is returned in the dom element \a e.
*/
TQColor DomTool::readColor( const TQDomElement &e )
{
TQDomElement 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 TQColor( 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()
*/
TQVariant DomTool::readAttribute( const TQDomElement& e, const TQString& name, const TQVariant& defValue, TQString& comment )
{
TQDomElement 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
*/
TQVariant DomTool::readAttribute( const TQDomElement& e, const TQString& name, const TQVariant& defValue )
{
TQString comment;
return readAttribute( e, name, defValue, comment );
}
/*!
Returns wheter object \a e defines attribute \a name or not.
\sa readAttribute()
*/
bool DomTool::hasAttribute( const TQDomElement& e, const TQString& name )
{
TQDomElement 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 TQString& s )
{
return s == "true" || s.toInt() != 0;
}
/*!
Convert TQt 2.x format to TQt 3.0 format if necessary
*/
void DomTool::fixDocument( TQDomDocument& doc )
{
TQDomElement e;
TQDomNode n;
TQDomNodeList 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++ ) {
TQDomElement el = nl.item(i).toElement();
TQString 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();
TQString name;
TQDomElement 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();
TQString name;
TQDomElement 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();
TQString name;
TQDomElement 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();
TQString name;
TQDomElement n2 = e.firstChild().toElement();
if ( n2.tagName() == "class" ) {
name = n2.firstChild().toText().data();
e.setAttribute( "class", name );
e.removeChild( n2 );
}
}
}