| 1 | #include "canvasview.h"
|
|---|
| 2 | #include "chartform.h"
|
|---|
| 3 |
|
|---|
| 4 | #include <qfile.h>
|
|---|
| 5 | #include <qfiledialog.h>
|
|---|
| 6 | #include <qpainter.h>
|
|---|
| 7 | #include <qprinter.h>
|
|---|
| 8 | #include <qstatusbar.h>
|
|---|
| 9 |
|
|---|
| 10 |
|
|---|
| 11 | void ChartForm::load( const QString& filename )
|
|---|
| 12 | {
|
|---|
| 13 | QFile file( filename );
|
|---|
| 14 | if ( !file.open( IO_ReadOnly ) ) {
|
|---|
| 15 | statusBar()->message( QString( "Failed to load \'%1\'" ).
|
|---|
| 16 | arg( filename ), 2000 );
|
|---|
| 17 | return;
|
|---|
| 18 | }
|
|---|
| 19 |
|
|---|
| 20 | init(); // Make sure we have colours
|
|---|
| 21 | m_filename = filename;
|
|---|
| 22 | QTextStream ts( &file );
|
|---|
| 23 | Element element;
|
|---|
| 24 | int errors = 0;
|
|---|
| 25 | int i = 0;
|
|---|
| 26 | while ( !ts.eof() ) {
|
|---|
| 27 | ts >> element;
|
|---|
| 28 | if ( element.isValid() )
|
|---|
| 29 | m_elements[i++] = element;
|
|---|
| 30 | else
|
|---|
| 31 | errors++;
|
|---|
| 32 | if ( i == MAX_ELEMENTS ) {
|
|---|
| 33 | statusBar()->message(
|
|---|
| 34 | QString( "Read maximum number of elements (%1)"
|
|---|
| 35 | " discarding others" ).arg( i ), 2000 );
|
|---|
| 36 | break;
|
|---|
| 37 | }
|
|---|
| 38 | }
|
|---|
| 39 |
|
|---|
| 40 | file.close();
|
|---|
| 41 |
|
|---|
| 42 | QString bad = "";
|
|---|
| 43 | if ( errors ) {
|
|---|
| 44 | bad = QString( "; skipped " ) + QString::number( errors ) + " bad record";
|
|---|
| 45 | if ( errors > 1 )
|
|---|
| 46 | bad += "s";
|
|---|
| 47 | }
|
|---|
| 48 | statusBar()->message( QString( "Read %1 values from \'%2\'%3" ).
|
|---|
| 49 | arg( i ).arg( filename ).arg( bad ), 3000 );
|
|---|
| 50 |
|
|---|
| 51 | setCaption( QString( "Chart -- %1" ).arg( filename ) );
|
|---|
| 52 | updateRecentFiles( filename );
|
|---|
| 53 |
|
|---|
| 54 | drawElements();
|
|---|
| 55 | m_changed = FALSE;
|
|---|
| 56 | }
|
|---|
| 57 |
|
|---|
| 58 |
|
|---|
| 59 | void ChartForm::fileSave()
|
|---|
| 60 | {
|
|---|
| 61 | if ( m_filename.isEmpty() ) {
|
|---|
| 62 | fileSaveAs();
|
|---|
| 63 | return;
|
|---|
| 64 | }
|
|---|
| 65 |
|
|---|
| 66 | QFile file( m_filename );
|
|---|
| 67 | if ( !file.open( IO_WriteOnly ) ) {
|
|---|
| 68 | statusBar()->message( QString( "Failed to save \'%1\'" ).
|
|---|
| 69 | arg( m_filename ), 2000 );
|
|---|
| 70 | return;
|
|---|
| 71 | }
|
|---|
| 72 | QTextStream ts( &file );
|
|---|
| 73 | for ( int i = 0; i < MAX_ELEMENTS; ++i )
|
|---|
| 74 | if ( m_elements[i].isValid() )
|
|---|
| 75 | ts << m_elements[i];
|
|---|
| 76 |
|
|---|
| 77 | file.close();
|
|---|
| 78 |
|
|---|
| 79 | setCaption( QString( "Chart -- %1" ).arg( m_filename ) );
|
|---|
| 80 | statusBar()->message( QString( "Saved \'%1\'" ).arg( m_filename ), 2000 );
|
|---|
| 81 | m_changed = FALSE;
|
|---|
| 82 | }
|
|---|
| 83 |
|
|---|
| 84 |
|
|---|
| 85 | void ChartForm::fileSaveAsPixmap()
|
|---|
| 86 | {
|
|---|
| 87 | QString filename = QFileDialog::getSaveFileName(
|
|---|
| 88 | QString::null, "Images (*.png *.xpm *.jpg)",
|
|---|
| 89 | this, "file save as bitmap",
|
|---|
| 90 | "Chart -- File Save As Bitmap" );
|
|---|
| 91 | if ( QPixmap::grabWidget( m_canvasView ).
|
|---|
| 92 | save( filename,
|
|---|
| 93 | filename.mid( filename.findRev( '.' ) + 1 ).upper() ) )
|
|---|
| 94 | statusBar()->message( QString( "Wrote \'%1\'" ).arg( filename ), 2000 );
|
|---|
| 95 | else
|
|---|
| 96 | statusBar()->message( QString( "Failed to write \'%1\'" ).
|
|---|
| 97 | arg( filename ), 2000 );
|
|---|
| 98 | }
|
|---|
| 99 |
|
|---|
| 100 | void ChartForm::filePrint()
|
|---|
| 101 | {
|
|---|
| 102 | #ifndef QT_NO_PRINTER
|
|---|
| 103 | if ( !m_printer )
|
|---|
| 104 | m_printer = new QPrinter;
|
|---|
| 105 | if ( m_printer->setup() ) {
|
|---|
| 106 | QPainter painter( m_printer );
|
|---|
| 107 | m_canvas->drawArea( QRect( 0, 0, m_canvas->width(), m_canvas->height() ),
|
|---|
| 108 | &painter, FALSE );
|
|---|
| 109 | if ( !m_printer->outputFileName().isEmpty() )
|
|---|
| 110 | statusBar()->message( QString( "Printed \'%1\'" ).
|
|---|
| 111 | arg( m_printer->outputFileName() ), 2000 );
|
|---|
| 112 | }
|
|---|
| 113 | #endif
|
|---|
| 114 | }
|
|---|
| 115 |
|
|---|
