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00020
00021 #include <QPainter>
00022 #include <QCursor>
00023 #include <QApplication>
00024 #include <QLayout>
00025 #include <QPixmap>
00026 #include <Q3PtrList>
00027 #include <Q3VBoxLayout>
00028 #include <QFrame>
00029 #include <QResizeEvent>
00030 #include <QTableWidget>
00031 #include <QHeaderView>
00032 #include <QTextDocument>
00033 #include <QUrl>
00034
00035 #include <kglobal.h>
00036 #include <kdebug.h>
00037
00038 #include "KoResourceChooser.h"
00039 #include "KoItemToolTip.h"
00040
00041
00042 QTextDocument *KoIconToolTip::createDocument( const QModelIndex &index )
00043 {
00044 QTextDocument *doc = new QTextDocument( this );
00045
00046 QImage thumb = index.data( KoResourceChooser::LargeThumbnailRole ).value<QImage>();
00047 doc->addResource( QTextDocument::ImageResource, QUrl( "data:thumbnail" ), thumb );
00048
00049 QString name = index.data( Qt::DisplayRole ).toString();
00050
00051 const QString image = QString( "<img src=\"data:thumbnail\">" );
00052 const QString body = QString( "<h3 align=\"center\">%1</h3>" ).arg( name ) + image;
00053 const QString html = QString( "<html><body>%1</body></html>" ).arg( body );
00054
00055 doc->setHtml( html );
00056 doc->setTextWidth( qMin( doc->size().width(), 500.0 ) );
00057
00058 return doc;
00059 }
00060
00061 struct KoResourceChooser::Private
00062 {
00063 int m_itemWidth;
00064 int m_itemHeight;
00065 int m_itemCount;
00066 KoIconToolTip tip;
00067 };
00068
00069 KoResourceChooser::KoResourceChooser(QSize aIconSize, QWidget *parent)
00070 : QTableWidget(parent)
00071 , d( new Private )
00072 {
00073 d->m_itemCount = 0;
00074 d->m_itemWidth = aIconSize.width();
00075 d->m_itemHeight = aIconSize.height();
00076 setRowCount(1);
00077 setColumnCount(1);
00078 horizontalHeader()->hide();
00079 verticalHeader()->hide();
00080 setSelectionMode(QAbstractItemView::SingleSelection);
00081 installEventFilter(this);
00082 }
00083
00084 KoResourceChooser::~KoResourceChooser()
00085 {
00086 }
00087
00088 void KoResourceChooser::keyPressEvent(QKeyEvent * e)
00089 {
00090 if (e->key()== Qt::Key_Return)
00091 {
00092 e->accept();
00093 emit itemClicked(currentItem());
00094 }
00095 else
00096 QTableWidget::keyPressEvent(e);
00097 }
00098
00099 bool KoResourceChooser::viewportEvent(QEvent *e )
00100 {
00101 if( e->type() == QEvent::ToolTip && model() )
00102 {
00103 QHelpEvent *he = static_cast<QHelpEvent*>(e);
00104 QStyleOptionViewItem option = viewOptions();
00105 QModelIndex index = model()->buddy( indexAt(he->pos()));
00106 option.rect = visualRect( index );
00107 d->tip.showTip( this, he->pos(), option, index );
00108 return true;
00109 }
00110
00111 return QTableWidget::viewportEvent( e );
00112 }
00113
00114
00115
00116 void KoResourceChooser::resizeEvent(QResizeEvent *e)
00117 {
00118 QTableWidget::resizeEvent(e);
00119
00120 int oldNColumns = columnCount();
00121 int nColumns = width( ) / d->m_itemWidth;
00122 if(nColumns == 0)
00123 nColumns = 1;
00124
00125 int oldNRows = rowCount();
00126 int nRows = (d->m_itemCount - 1)/ nColumns +1;
00127
00128 if(nColumns > oldNColumns)
00129 {
00130
00131
00132 setColumnCount(nColumns);
00133 int newRow = 0, newColumn = 0, oldRow = 0, oldColumn = 0;
00134 for(int i = 0; i < d->m_itemCount; i++)
00135 {
00136 QTableWidgetItem *theItem;
00137 theItem = takeItem(oldRow, oldColumn);
00138 setItem(newRow, newColumn, theItem);
00139 newColumn++;
00140 if(newColumn == nColumns)
00141 {
00142 newColumn = 0;
00143 newRow++;
00144 }
00145 oldColumn++;
00146 if(oldColumn == oldNColumns)
00147 {
00148 oldColumn = 0;
00149 oldRow++;
00150 }
00151 }
00152 }
00153 else if(nColumns < oldNColumns)
00154 {
00155
00156
00157 setRowCount(nRows);
00158 int newRow = nRows - 1, newColumn = d->m_itemCount - newRow * nColumns,
00159 oldRow = oldNRows - 1, oldColumn = d->m_itemCount - oldRow * oldNColumns;
00160 for(int i = 0; i < d->m_itemCount; i++)
00161 {
00162 QTableWidgetItem *theItem;
00163 theItem = takeItem(oldRow, oldColumn);
00164 setItem(newRow, newColumn, theItem);
00165 newColumn--;
00166 if(newColumn < 0)
00167 {
00168 newColumn = nColumns - 1;
00169 newRow--;
00170 }
00171 oldColumn--;
00172 if(oldColumn < 0)
00173 {
00174 oldColumn = oldNColumns - 1;
00175 oldRow--;
00176 }
00177 }
00178 }
00179
00180
00181 setColumnCount(nColumns);
00182 setRowCount(nRows);
00183
00184
00185 for(int i = 0; i < nColumns; i++)
00186 setColumnWidth(i, d->m_itemWidth);
00187 for(int i = 0; i < nRows; i++)
00188 setRowHeight(i, d->m_itemHeight);
00189 }
00190
00191 QTableWidgetItem *KoResourceChooser::itemAt(int index)
00192 {
00193 int row = index / columnCount();
00194 int col = index - row * columnCount();
00195 return item(row,col);
00196 }
00197
00198
00199 void KoResourceChooser::addItem(QTableWidgetItem *item)
00200 {
00201 int row = d->m_itemCount / columnCount();
00202 int col = d->m_itemCount - row* columnCount();
00203 if(row+1 > rowCount())
00204 setRowCount(row+1);
00205 setItem(row, col, item);
00206 d->m_itemCount++;
00207 item->setFlags(Qt::ItemIsSelectable|Qt::ItemIsEnabled);
00208 }
00209
00210 KoPatternChooser::KoPatternChooser( const Q3PtrList<QTableWidgetItem> &list, QWidget *parent, const char *name )
00211 : QWidget( parent, name )
00212 {
00213
00214
00215
00216 chooser = new KoResourceChooser( QSize(30,30), this);
00217
00218 QObject::connect( chooser, SIGNAL(selected( QTableWidgetItem * ) ),
00219 this, SIGNAL( selected( QTableWidgetItem * )));
00220
00221 Q3PtrListIterator<QTableWidgetItem> itr( list );
00222 for( itr.toFirst(); itr.current(); ++itr )
00223 chooser->addItem( itr.current() );
00224
00225 Q3VBoxLayout *mainLayout = new Q3VBoxLayout( this, 1, -1, "main layout" );
00226 mainLayout->addWidget( chooser, 10 );
00227 }
00228
00229
00230 KoPatternChooser::~KoPatternChooser()
00231 {
00232 delete chooser;
00233
00234 }
00235
00236
00237 void KoPatternChooser::setCurrentPattern( QTableWidgetItem *pattern )
00238 {
00239 chooser->setCurrentItem( pattern );
00240 }
00241
00242 void KoPatternChooser::addPattern( QTableWidgetItem *pattern )
00243 {
00244 chooser->addItem( pattern );
00245 }
00246
00247
00248 QTableWidgetItem *KoPatternChooser::currentPattern()
00249 {
00250 return chooser->currentItem();
00251 }
00252
00253 #include "KoResourceChooser.moc"
