implement own file system view
This commit is contained in:
Peter Hartmann
parent
736a5034de
commit
3fe47f1982
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@ -14,12 +14,14 @@
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#include "QskSelectionSubWindow.h"
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#include "QskSelectionWindow.h"
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#include "QskFunctions.h"
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#include "QskListView.h"
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#include "QskPushButton.h"
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#include "QskScrollArea.h"
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#include "QskSimpleListBox.h"
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#include "QskFocusIndicator.h"
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#include <qfontmetrics.h>
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#include <qfilesystemmodel.h>
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#include <qguiapplication.h>
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#include <qpointer.h>
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@ -123,11 +125,6 @@ namespace
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{
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QskDialogWindow::setDialogContentItem( item );
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}
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QQuickItem* rootItem()
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{
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return contentItem();
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}
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};
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template<>
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@ -158,11 +155,87 @@ namespace
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{
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QskDialogSubWindow::setContentItem( item );
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}
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};
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QQuickItem* rootItem()
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class FileSystemView : public QskListView
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{
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public:
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FileSystemView( const QString& directory, QQuickItem* parent = nullptr )
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: QskListView( parent )
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, m_model( new QFileSystemModel( this ) )
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{
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return this;
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connect( m_model, &QFileSystemModel::directoryLoaded, this, [this]()
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{
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columnWidths.fill( 0 );
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updateScrollableSize();
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setScrollPos( { 0, 0 } );
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setSelectedRow( -1 );
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update();
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});
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m_model->setRootPath( directory );
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columnWidths.fill( 0, m_model->columnCount() );
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}
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virtual int rowCount() const override
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{
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const auto index = m_model->index( m_model->rootPath() );
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return m_model->rowCount( index );
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}
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virtual int columnCount() const override
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{
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const auto index = m_model->index( m_model->rootPath() );
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return m_model->columnCount( index );
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}
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virtual qreal columnWidth( int col ) const override
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{
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auto w = columnWidths.at( col );
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if( col == 0 )
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w = qMax( 250, w );
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return w + 15; // spacing
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}
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virtual qreal rowHeight() const override
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{
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const auto hint = strutSizeHint( Cell );
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const auto padding = paddingHint( Cell );
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qreal h = effectiveFontHeight( Text );
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h += padding.top() + padding.bottom();
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return qMax( h, hint.height() );
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}
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virtual QVariant valueAt( int row, int col ) const override
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{
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const auto rootIndex = m_model->index( m_model->rootPath() );
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const auto index = m_model->index( row, col, rootIndex );
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const auto v = m_model->data( index );
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const auto w = qskHorizontalAdvance( effectiveFont( Text ), v.toString() );
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if( w > columnWidths.at( col ) )
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{
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columnWidths[ col ] = w;
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}
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return v;
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}
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QFileSystemModel* model()
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{
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return m_model;
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}
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private:
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QFileSystemModel* const m_model;
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mutable QVector< int > columnWidths;
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};
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template< typename W >
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@ -174,37 +247,42 @@ namespace
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FileSelectionWindow( QObject* parent, const QString& title,
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QskDialog::Actions actions, QskDialog::Action defaultAction,const QString& directory )
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: WindowOrSubWindow< W >( parent, title, actions, defaultAction )
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, m_model( new QFileSystemModel( parent ) )
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{
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m_model->setRootPath( directory );
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auto* outerBox = new QskLinearBox( Qt::Vertical );
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outerBox->setMargins( 20 );
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outerBox->setSpacing( 20 );
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#if 1
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outerBox->setFixedSize( 500, 500 );
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outerBox->setFixedSize( 700, 500 );
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#endif
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setupHeader( outerBox );
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setupListBox( outerBox );
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setupFileSystemView( directory, outerBox );
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updateHeader( directory );
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Inherited::setContentItem( outerBox );
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}
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QString selectedFile() const
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{
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const auto index = m_model->index( m_model->rootPath() );
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return m_model->filePath( index );
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if( m_fileView->selectedRow() != -1 )
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{
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const auto path = m_fileView->valueAt( m_fileView->selectedRow(), 0 ).toString();
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QFileInfo fi( m_fileView->model()->rootPath(), path );
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return fi.absoluteFilePath();
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}
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return {};
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}
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private:
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void setupHeader( QQuickItem* parentItem )
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{
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m_scrollArea = new QskScrollArea( parentItem );
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m_scrollArea->setSizePolicy( Qt::Vertical, QskSizePolicy::Fixed );
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m_scrollArea->setFlickableOrientations( Qt::Horizontal );
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m_headerScrollArea = new QskScrollArea( parentItem );
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m_headerScrollArea->setSizePolicy( Qt::Vertical, QskSizePolicy::Fixed );
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m_headerScrollArea->setFlickableOrientations( Qt::Horizontal );
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m_headerBox = new QskLinearBox( Qt::Horizontal, m_scrollArea );
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m_scrollArea->setScrolledItem( m_headerBox );
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m_headerBox = new QskLinearBox( Qt::Horizontal, m_headerScrollArea );
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m_headerScrollArea->setScrolledItem( m_headerBox );
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}
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static QStringList splitPath( const QString& path )
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@ -252,59 +330,45 @@ namespace
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QObject::connect( b, &QskPushButton::clicked, this, [this, fi]()
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{
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m_model->setRootPath( fi.filePath() );
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m_fileView->model()->setRootPath( fi.filePath() );
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});
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}
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for( int i = dirPaths.count(); i < m_breadcrumbsButtons.count(); i++ )
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{
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m_breadcrumbsButtons.at( i )->deleteLater();
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m_breadcrumbsButtons.removeAt( i );
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}
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m_scrollArea->ensureItemVisible( m_breadcrumbsButtons.last() );
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m_breadcrumbsButtons.remove( dirPaths.count(), m_breadcrumbsButtons.count() - dirPaths.count() );
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m_headerScrollArea->ensureItemVisible( m_breadcrumbsButtons.last() );
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}
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void setupListBox( QQuickItem* parentItem )
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void setupFileSystemView( const QString& directory, QQuickItem* parentItem )
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{
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m_listBox = new QskSimpleListBox( parentItem );
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m_fileView = new FileSystemView( directory, parentItem );
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QObject::connect( m_model, &QFileSystemModel::directoryLoaded,
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this, &FileSelectionWindow< W >::loadContents );
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QObject::connect( m_fileView->model(), &QFileSystemModel::rootPathChanged,
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this, &FileSelectionWindow< W >::updateHeader );
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QObject::connect( m_listBox, &QskSimpleListBox::selectedEntryChanged,
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this, [this]( const QString& path )
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QObject::connect( m_fileView, &QskListView::selectedRowChanged,
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this, [this]( int row )
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{
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QFileInfo fi( m_model->rootPath(), path );
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const auto path = m_fileView->valueAt( row, 0 ).toString();
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QFileInfo fi( m_fileView->model()->rootPath(), path );
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if( fi.isDir() )
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{
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m_model->setRootPath( fi.absoluteFilePath() );
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m_fileView->model()->setRootPath( fi.absoluteFilePath() );
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}
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});
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}
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void loadContents()
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{
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m_listBox->removeBulk( 0 );
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const auto index = m_model->index( m_model->rootPath() );
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for ( int row = 0; row < m_model->rowCount( index ); row++ )
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{
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auto idx = m_model->index( row, 0, index );
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m_listBox->append( m_model->fileName( idx ) );
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}
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updateHeader( QDir( selectedFile() ).path() );
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}
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QFileSystemModel* const m_model;
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QskSimpleListBox* m_listBox;
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QskScrollArea* m_headerScrollArea;
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QskLinearBox* m_headerBox;
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QskScrollArea* m_scrollArea;
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QVector< QskPushButton* > m_breadcrumbsButtons;
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FileSystemView* m_fileView;
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};
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}
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