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495 lines
16 KiB
Java
495 lines
16 KiB
Java
/***************************************************************************
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* $Id$
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**
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* Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
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**
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* This file is part of an example program for Qt. This example
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* program may be used, distributed and modified without limitation.
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**
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****************************************************************************/
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import org.kde.qt.*;
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import java.util.HashMap;
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class TextEdit extends QMainWindow
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{
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private QAction actionTextBold,
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actionTextUnderline,
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actionTextItalic,
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actionTextColor,
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actionAlignLeft,
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actionAlignCenter,
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actionAlignRight,
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actionAlignJustify;
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QComboBox comboStyle,
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comboFont,
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comboSize;
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private QTabWidget tabWidget;
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private HashMap filenames = new HashMap();
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TextEdit( )
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{
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this(null, null);
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}
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TextEdit( QWidget parent, String name )
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{
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super( parent, name );
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setupFileActions();
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setupEditActions();
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setupTextActions();
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tabWidget = new QTabWidget( this );
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connect( tabWidget, SIGNAL(" currentChanged( QWidget )"),
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this, SLOT(" editorChanged( QWidget )") );
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setCentralWidget( tabWidget );
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if ( qApp().args().length == 0 ) {
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load( "example.html" );
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} else {
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for ( int i = 0; i < qApp().args().length; ++i )
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load( qApp().args()[ i ] );
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}
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}
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void setupFileActions()
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{
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QToolBar tb = new QToolBar( this );
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tb.setLabel( "File Actions" );
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QPopupMenu menu = new QPopupMenu( this );
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menuBar().insertItem( tr( "&File" ), menu );
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QAction a;
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a = new QAction( tr( "New" ), new QIconSet(new QPixmap( "filenew.xpm" )), tr( "&New..." ), new QKeySequence(CTRL + Key_N), this, "fileNew" );
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connect( a, SIGNAL(" activated()"), this, SLOT(" fileNew()") );
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a.addTo( tb );
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a.addTo( menu );
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a = new QAction( tr( "Open" ), new QIconSet(new QPixmap( "fileopen.xpm" )), tr( "&Open..." ), new QKeySequence(CTRL + Key_O), this, "fileOpen" );
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connect( a, SIGNAL(" activated()"), this, SLOT(" fileOpen()") );
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a.addTo( tb );
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a.addTo( menu );
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menu.insertSeparator();
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a = new QAction( tr( "Save" ), new QIconSet(new QPixmap( "filesave.xpm" )), tr( "&Save..." ), new QKeySequence(CTRL + Key_S), this, "fileSave" );
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connect( a, SIGNAL(" activated()"), this, SLOT(" fileSave()") );
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a.addTo( tb );
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a.addTo( menu );
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a = new QAction( tr( "Save As" ), new QIconSet(new QPixmap()), tr( "Save &As..." ), new QKeySequence(0), this, "fileSaveAs" );
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connect( a, SIGNAL(" activated()"), this, SLOT(" fileSaveAs()") );
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a.addTo( menu );
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menu.insertSeparator();
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a = new QAction( tr( "Print" ), new QIconSet(new QPixmap( "fileprint.xpm" )), tr( "&Print..." ), new QKeySequence(CTRL + Key_P), this, "filePrint" );
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connect( a, SIGNAL(" activated()"), this, SLOT(" filePrint()") );
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a.addTo( tb );
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a.addTo( menu );
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a = new QAction( tr( "Close" ), new QIconSet(new QPixmap()), tr( "&Close" ), new QKeySequence(0), this, "fileClose" );
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connect( a, SIGNAL(" activated()"), this, SLOT(" fileClose()") );
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a.addTo( menu );
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a = new QAction( tr( "Exit" ), new QIconSet(new QPixmap()), tr( "E&xit" ), new QKeySequence(0), this, "fileExit" );
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connect( a, SIGNAL(" activated()"), this, SLOT(" fileExit()") );
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a.addTo( menu );
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}
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void setupEditActions()
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{
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QToolBar tb = new QToolBar( this );
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tb.setLabel( "Edit Actions" );
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QPopupMenu menu = new QPopupMenu( this );
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menuBar().insertItem( tr( "&Edit" ), menu );
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QAction a;
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a = new QAction( tr( "Undo" ), new QIconSet(new QPixmap( "editundo.xpm" )), tr( "&Undo" ), new QKeySequence(CTRL + Key_Z), this, "editUndo" );
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connect( a, SIGNAL(" activated()"), this, SLOT(" editUndo()") );
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a.addTo( tb );
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a.addTo( menu );
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a = new QAction( tr( "Redo" ), new QIconSet(new QPixmap( "editredo.xpm" )), tr( "&Redo" ), new QKeySequence(CTRL + Key_Y), this, "editRedo" );
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connect( a, SIGNAL(" activated()"), this, SLOT(" editRedo()") );
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a.addTo( tb );
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a.addTo( menu );
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menu.insertSeparator();
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a = new QAction( tr( "Copy" ), new QIconSet(new QPixmap( "editcopy.xpm" )), tr( "&Copy" ), new QKeySequence(CTRL + Key_C), this, "editCopy" );
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connect( a, SIGNAL(" activated()"), this, SLOT(" editCopy()") );
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a.addTo( tb );
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a.addTo( menu );
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a = new QAction( tr( "Cut" ), new QIconSet(new QPixmap( "editcut.xpm" )), tr( "Cu&t" ), new QKeySequence(CTRL + Key_X), this, "editCut" );
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connect( a, SIGNAL(" activated()"), this, SLOT(" editCut()") );
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a.addTo( tb );
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a.addTo( menu );
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a = new QAction( tr( "Paste" ), new QIconSet(new QPixmap( "editpaste.xpm" )), tr( "&Paste" ), new QKeySequence(CTRL + Key_V), this, "editPaste" );
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connect( a, SIGNAL(" activated()"), this, SLOT(" editPaste()") );
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a.addTo( tb );
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a.addTo( menu );
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}
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void setupTextActions()
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{
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QToolBar tb = new QToolBar( this );
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tb.setLabel( "Format Actions" );
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QPopupMenu menu = new QPopupMenu( this );
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menuBar().insertItem( tr( "F&ormat" ), menu );
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comboStyle = new QComboBox( false, tb );
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comboStyle.insertItem( "Standard" );
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comboStyle.insertItem( "Bullet List (Disc)" );
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comboStyle.insertItem( "Bullet List (Circle)" );
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comboStyle.insertItem( "Bullet List (Square)" );
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comboStyle.insertItem( "Ordered List (Decimal)" );
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comboStyle.insertItem( "Ordered List (Alpha lower)" );
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comboStyle.insertItem( "Ordered List (Alpha upper)" );
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connect( comboStyle, SIGNAL(" activated( int )"),
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this, SLOT(" textStyle( int )") );
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comboFont = new QComboBox( true, tb );
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QFontDatabase db = new QFontDatabase();
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comboFont.insertStringList( (String[]) db.families().toArray(new String[0]) );
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connect( comboFont, SIGNAL(" activated( String )"),
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this, SLOT(" textFamily( String )") );
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comboFont.lineEdit().setText( QApplication.font().family() );
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comboSize = new QComboBox( true, tb );
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int[] sizes = db.standardSizes();
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for (int i = 0; i < sizes.length; i++ )
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comboSize.insertItem( Integer.toString(sizes[i]) );
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connect( comboSize, SIGNAL(" activated( String )"),
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this, SLOT(" textSize( String )") );
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comboSize.lineEdit().setText( Integer.toString( QApplication.font().pointSize() ) );
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actionTextBold = new QAction( tr( "Bold" ), new QIconSet(new QPixmap( "textbold.xpm" )), tr( "&Bold" ), new QKeySequence(CTRL + Key_B), this, "textBold" );
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connect( actionTextBold, SIGNAL(" activated()"), this, SLOT(" textBold()") );
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actionTextBold.addTo( tb );
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actionTextBold.addTo( menu );
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actionTextBold.setToggleAction( true );
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actionTextItalic = new QAction( tr( "Italic" ), new QIconSet(new QPixmap( "textitalic.xpm" )), tr( "&Italic" ), new QKeySequence(CTRL + Key_I), this, "textItalic" );
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connect( actionTextItalic, SIGNAL(" activated()"), this, SLOT(" textItalic()") );
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actionTextItalic.addTo( tb );
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actionTextItalic.addTo( menu );
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actionTextItalic.setToggleAction( true );
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actionTextUnderline = new QAction( tr( "Underline" ), new QIconSet(new QPixmap( "textunder.xpm" )), tr( "&Underline" ), new QKeySequence(CTRL + Key_U), this, "textUnderline" );
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connect( actionTextUnderline, SIGNAL(" activated()"), this, SLOT(" textUnderline()") );
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actionTextUnderline.addTo( tb );
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actionTextUnderline.addTo( menu );
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actionTextUnderline.setToggleAction( true );
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menu.insertSeparator();
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QActionGroup grp = new QActionGroup( this );
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grp.setExclusive( true );
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connect( grp, SIGNAL(" selected( QAction )"), this, SLOT(" textAlign( QAction )") );
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actionAlignLeft = new QAction( tr( "Left" ), new QIconSet(new QPixmap( "textleft.xpm" )), tr( "&Left" ), new QKeySequence(CTRL + Key_L), grp, "textLeft" );
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actionAlignLeft.addTo( tb );
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actionAlignLeft.addTo( menu );
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actionAlignLeft.setToggleAction( true );
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actionAlignCenter = new QAction( tr( "Center" ), new QIconSet(new QPixmap( "textcenter.xpm" )), tr( "C&enter" ), new QKeySequence(CTRL + Key_E), grp, "textCenter" );
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actionAlignCenter.addTo( tb );
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actionAlignCenter.addTo( menu );
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actionAlignCenter.setToggleAction( true );
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actionAlignRight = new QAction( tr( "Right" ), new QIconSet(new QPixmap( "textright.xpm" )), tr( "&Right" ), new QKeySequence(CTRL + Key_R), grp, "textRight" );
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actionAlignRight.addTo( tb );
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actionAlignRight.addTo( menu );
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actionAlignRight.setToggleAction( true );
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actionAlignJustify = new QAction( tr( "Justify" ), new QIconSet(new QPixmap( "textjustify.xpm" )), tr( "&Justify" ), new QKeySequence(CTRL + Key_J), grp, "textjustify" );
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actionAlignJustify.addTo( tb );
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actionAlignJustify.addTo( menu );
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actionAlignJustify.setToggleAction( true );
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menu.insertSeparator();
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QPixmap pix = new QPixmap( 16, 16 );
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pix.fill( black() );
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actionTextColor = new QAction( tr( "Color" ), new QIconSet(pix), tr( "&Color..." ), new QKeySequence(0), this, "textColor" );
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connect( actionTextColor, SIGNAL(" activated()"), this, SLOT(" textColor()") );
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actionTextColor.addTo( tb );
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actionTextColor.addTo( menu );
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}
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void load( String f )
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{
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if ( !QFile.exists( f ) )
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return;
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QTextEdit edit = new QTextEdit( tabWidget );
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doConnections( edit );
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tabWidget.addTab( edit, new QFileInfo( f ).fileName() );
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QFile file = new QFile( f );
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if ( !file.open( QIODevice.IO_ReadOnly ) )
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return;
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QTextStream ts = new QTextStream( file );
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edit.setText( ts.read() );
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tabWidget.showPage( edit );
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edit.viewport().setFocus();
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filenames.put( edit, f );
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}
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QTextEdit currentEditor()
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{
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if ( tabWidget.currentPage() != null &&
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tabWidget.currentPage().inherits( "QTextEdit" ) )
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return (QTextEdit)tabWidget.currentPage();
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return null;
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}
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void doConnections( QTextEdit e )
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{
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connect( e, SIGNAL(" currentFontChanged( QFont )"),
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this, SLOT(" fontChanged( QFont )") );
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connect( e, SIGNAL(" currentColorChanged( QColor )"),
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this, SLOT(" colorChanged( QColor )") );
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connect( e, SIGNAL(" currentAlignmentChanged( int )"),
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this, SLOT(" alignmentChanged( int )") );
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}
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void fileNew()
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{
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QTextEdit edit = new QTextEdit( tabWidget );
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edit.setTextFormat( RichText );
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doConnections( edit );
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tabWidget.addTab( edit, tr( "noname" ) );
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tabWidget.showPage( edit );
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edit.viewport().setFocus();
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}
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void fileOpen()
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{
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String fn = QFileDialog.getOpenFileName( "", tr( "HTML-Files (*.htm *.html);;All Files (*)" ), this );
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if ( !fn.equals("") )
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load( fn );
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}
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void fileSave()
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{
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if ( currentEditor() == null )
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return;
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String fn;
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if ( !filenames.containsKey( currentEditor() ) ) {
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fileSaveAs();
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} else {
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QFile file = new QFile( (String) filenames.get( currentEditor() ) );
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if ( !file.open( QIODevice.IO_WriteOnly ) )
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return;
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QTextStream ts = new QTextStream( file );
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ts.writeRawBytes(currentEditor().text(), currentEditor().text().length());
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}
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}
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void fileSaveAs()
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{
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if ( currentEditor() == null )
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return;
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String fn = QFileDialog.getSaveFileName( "", tr( "HTML-Files (*.htm *.html);;All Files (*)" ), this );
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if ( !fn.equals("") ) {
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filenames.put( currentEditor(), fn );
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fileSave();
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tabWidget.setTabLabel( currentEditor(), new QFileInfo( fn ).fileName() );
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}
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}
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void filePrint()
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{
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if ( currentEditor() == null )
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return;
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QPrinter printer = new QPrinter();
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printer.setFullPage(true);
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if ( printer.setup( this ) ) {
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QPainter p = new QPainter( printer );
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// Check that there is a valid device to print to.
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if ( p.device() == null ) return;
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QPaintDeviceMetrics metrics = new QPaintDeviceMetrics( p.device() );
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int dpix = metrics.logicalDpiX();
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int dpiy = metrics.logicalDpiY();
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int margin = 72; // pt
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QRect body = new QRect( margin * dpix / 72, margin * dpiy / 72,
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metrics.width() - margin * dpix / 72 * 2,
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metrics.height() - margin * dpiy / 72 * 2 );
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QFont font = new QFont( "times", 10 );
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QSimpleRichText richText = new QSimpleRichText( currentEditor().text(), font, currentEditor().context(), currentEditor().styleSheet(),
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currentEditor().mimeSourceFactory(), body.height() );
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richText.setWidth( p, body.width() );
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QRect view = new QRect( body.topLeft(), body.bottomRight() );
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int page = 1;
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do {
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richText.draw( p, body.left(), body.top(), view, colorGroup() );
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view.moveBy( 0, body.height() );
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p.translate( 0 , -body.height() );
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p.setFont( font );
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p.drawText( view.right() - p.fontMetrics().width( Integer.toString(page) ),
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view.bottom() + p.fontMetrics().ascent() + 5, Integer.toString(page) );
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if ( view.top() >= richText.height() )
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break;
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printer.newPage();
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page++;
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} while (true);
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}
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}
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void fileClose()
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{
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// delete currentEditor();
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if ( currentEditor() != null )
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currentEditor().viewport().setFocus();
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}
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void fileExit()
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{
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qApp().quit();
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}
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void editUndo()
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{
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if ( currentEditor() == null )
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return;
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currentEditor().undo();
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}
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void editRedo()
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{
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if ( currentEditor() == null )
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return;
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currentEditor().redo();
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}
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void editCut()
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{
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if ( currentEditor() == null )
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return;
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currentEditor().cut();
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}
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void editCopy()
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{
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if ( currentEditor() == null )
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return;
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currentEditor().copy();
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}
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void editPaste()
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{
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if ( currentEditor() == null )
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return;
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currentEditor().paste();
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}
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void textBold()
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{
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if ( currentEditor() == null )
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return;
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currentEditor().setBold( actionTextBold.isOn() );
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}
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void textUnderline()
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{
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if ( currentEditor() == null )
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return;
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currentEditor().setUnderline( actionTextUnderline.isOn() );
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}
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void textItalic()
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{
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if ( currentEditor() == null )
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return;
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currentEditor().setItalic( actionTextItalic.isOn() );
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}
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void textFamily( String f )
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{
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if ( currentEditor() == null )
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return;
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currentEditor().setFamily( f );
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currentEditor().viewport().setFocus();
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}
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void textSize( String p )
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{
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if ( currentEditor() == null )
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return;
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currentEditor().setPointSize( Integer.parseInt(p) );
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currentEditor().viewport().setFocus();
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}
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void textStyle( int i )
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{
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if ( currentEditor() == null )
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return;
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if ( i == 0 )
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currentEditor().setParagType( QStyleSheetItem.DisplayBlock, QStyleSheetItem.ListDisc );
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else if ( i == 1 )
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currentEditor().setParagType( QStyleSheetItem.DisplayListItem, QStyleSheetItem.ListDisc );
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else if ( i == 2 )
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currentEditor().setParagType( QStyleSheetItem.DisplayListItem, QStyleSheetItem.ListCircle );
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else if ( i == 3 )
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currentEditor().setParagType( QStyleSheetItem.DisplayListItem, QStyleSheetItem.ListSquare );
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else if ( i == 4 )
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currentEditor().setParagType( QStyleSheetItem.DisplayListItem, QStyleSheetItem.ListDecimal );
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else if ( i == 5 )
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currentEditor().setParagType( QStyleSheetItem.DisplayListItem, QStyleSheetItem.ListLowerAlpha );
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else if ( i == 6 )
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currentEditor().setParagType( QStyleSheetItem.DisplayListItem, QStyleSheetItem.ListUpperAlpha );
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currentEditor().viewport().setFocus();
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}
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void textColor()
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{
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if ( currentEditor() == null )
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return;
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QColor col = QColorDialog.getColor( currentEditor().color(), this );
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if ( !col.isValid() )
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return;
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currentEditor().setColor( col );
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QPixmap pix = new QPixmap( 16, 16 );
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pix.fill( black() );
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actionTextColor.setIconSet( new QIconSet(pix) );
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}
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void textAlign( QAction a )
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{
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if ( currentEditor() == null )
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return;
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if ( a == actionAlignLeft )
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currentEditor().setAlignment( AlignLeft );
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else if ( a == actionAlignCenter )
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currentEditor().setAlignment( AlignHCenter );
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else if ( a == actionAlignRight )
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currentEditor().setAlignment( AlignRight );
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else if ( a == actionAlignJustify )
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currentEditor().setAlignment( AlignJustify );
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}
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void fontChanged( QFont f )
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{
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comboFont.lineEdit().setText( f.family() );
|
|
comboSize.lineEdit().setText( Integer.toString( f.pointSize() ) );
|
|
actionTextBold.setOn( f.bold() );
|
|
actionTextItalic.setOn( f.italic() );
|
|
actionTextUnderline.setOn( f.underline() );
|
|
}
|
|
|
|
void colorChanged( QColor c )
|
|
{
|
|
QPixmap pix = new QPixmap( 16, 16 );
|
|
pix.fill( c );
|
|
actionTextColor.setIconSet( new QIconSet(pix) );
|
|
}
|
|
|
|
void alignmentChanged( int a )
|
|
{
|
|
if ( ( a == AlignAuto ) || ( a & AlignLeft ) != 0)
|
|
actionAlignLeft.setOn( true );
|
|
else if ( ( a & AlignHCenter ) != 0 )
|
|
actionAlignCenter.setOn( true );
|
|
else if ( ( a & AlignRight ) != 0 )
|
|
actionAlignRight.setOn( true );
|
|
else if ( ( a & AlignJustify ) != 0 )
|
|
actionAlignJustify.setOn( true );
|
|
}
|
|
|
|
void editorChanged( QWidget w )
|
|
{
|
|
if ( currentEditor() == null )
|
|
return;
|
|
fontChanged( currentEditor().font() );
|
|
colorChanged( currentEditor().color() );
|
|
alignmentChanged( currentEditor().alignment() );
|
|
}
|
|
}
|