kfilefiltercombo.cpp
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00020 #include <klocale.h>
00021 #include <kdebug.h>
00022 #include <kstaticdeleter.h>
00023 #include <config-kfile.h>
00024
00025 #include "kfilefiltercombo.h"
00026
00027 class KFileFilterCombo::KFileFilterComboPrivate
00028 {
00029 public:
00030 KFileFilterComboPrivate() {
00031 hasAllSupportedFiles = false;
00032 defaultFilter = i18n("*|All Files");
00033 }
00034
00035
00036
00037
00038
00039 bool hasAllSupportedFiles;
00040 QString lastFilter;
00041 QString defaultFilter;
00042 };
00043
00044 KFileFilterCombo::KFileFilterCombo( QWidget *parent, const char *name)
00045 : KComboBox(true, parent, name), d( new KFileFilterComboPrivate )
00046 {
00047 setTrapReturnKey( true );
00048 setInsertionPolicy(NoInsertion);
00049 connect( this, SIGNAL( activated( int )), this, SIGNAL( filterChanged() ));
00050 connect( this, SIGNAL( returnPressed() ), this, SIGNAL( filterChanged() ));
00051 connect( this, SIGNAL( filterChanged() ), SLOT( slotFilterChanged() ));
00052 m_allTypes = false;
00053 }
00054
00055 KFileFilterCombo::~KFileFilterCombo()
00056 {
00057 delete d;
00058 }
00059
00060 void KFileFilterCombo::setFilter(const QString& filter)
00061 {
00062 clear();
00063 filters.clear();
00064 d->hasAllSupportedFiles = false;
00065
00066 if (!filter.isEmpty()) {
00067 QString tmp = filter;
00068 int index = tmp.find('\n');
00069 while (index > 0) {
00070 filters.append(tmp.left(index));
00071 tmp = tmp.mid(index + 1);
00072 index = tmp.find('\n');
00073 }
00074 filters.append(tmp);
00075 }
00076 else
00077 filters.append( d->defaultFilter );
00078
00079 QStringList::ConstIterator it;
00080 for (it = filters.begin(); it != filters.end(); it++) {
00081 int tab = (*it).find('|');
00082 insertItem((tab < 0) ? *it :
00083 (*it).mid(tab + 1));
00084 }
00085
00086 d->lastFilter = currentText();
00087 }
00088
00089 QString KFileFilterCombo::currentFilter() const
00090 {
00091 QString f = currentText();
00092 if (f == text(currentItem())) {
00093 f = *filters.at(currentItem());
00094 int mime = f.contains( '/' );
00095 if ( mime > 0 || (currentItem() == 0 && d->hasAllSupportedFiles) ) {
00096 return f;
00097 }
00098 }
00099
00100 int tab = f.find('|');
00101 if (tab < 0)
00102 return f;
00103 else
00104 return f.left(tab);
00105 }
00106
00107 void KFileFilterCombo::setMimeFilter( const QStringList& types,
00108 const QString& defaultType )
00109 {
00110 clear();
00111 filters.clear();
00112 QString delim = QString::fromLatin1(", ");
00113 d->hasAllSupportedFiles = false;
00114
00115 m_allTypes = defaultType.isEmpty() && (types.count() > 1);
00116
00117 QString allComments, allTypes;
00118 int i = 0;
00119 for(QStringList::ConstIterator it = types.begin(); it != types.end(); ++it, ++i)
00120 {
00121 if ( m_allTypes && it != types.begin() ) {
00122 allComments += delim;
00123 allTypes += ' ';
00124 }
00125
00126 kdDebug(kfile_area) << *it << endl;
00127 KMimeType::Ptr type = KMimeType::mimeType( *it );
00128 filters.append( type->name() );
00129 if ( m_allTypes )
00130 {
00131 allTypes += type->name();
00132 allComments += type->comment();
00133 }
00134 insertItem( type->comment() );
00135 if ( type->name() == defaultType )
00136 setCurrentItem( i );
00137 }
00138
00139 if ( m_allTypes )
00140 {
00141 if ( i < 3 )
00142 insertItem( allComments, 0 );
00143 else {
00144 insertItem( i18n("All supported files"), 0 );
00145 d->hasAllSupportedFiles = true;
00146 }
00147
00148 filters.prepend( allTypes );
00149 }
00150
00151 d->lastFilter = currentText();
00152 }
00153
00154 void KFileFilterCombo::slotFilterChanged()
00155 {
00156 d->lastFilter = currentText();
00157 }
00158
00159 bool KFileFilterCombo::eventFilter( QObject *o, QEvent *e )
00160 {
00161 if ( o == lineEdit() && e->type() == QEvent::FocusOut ) {
00162 if ( currentText() != d->lastFilter )
00163 emit filterChanged();
00164 }
00165
00166 return KComboBox::eventFilter( o, e );
00167 }
00168
00169 void KFileFilterCombo::setDefaultFilter( const QString& filter )
00170 {
00171 d->defaultFilter = filter;
00172 }
00173
00174 QString KFileFilterCombo::defaultFilter() const
00175 {
00176 return d->defaultFilter;
00177 }
00178
00179 void KFileFilterCombo::virtual_hook( int id, void* data )
00180 { KComboBox::virtual_hook( id, data ); }
00181
00182 #include "kfilefiltercombo.moc"
This file is part of the documentation for kdelibs Version 3.1.5.