1 files changed, 337 insertions, 0 deletions
diff --git a/kmplot/kmplot/FktDlg.cpp b/kmplot/kmplot/FktDlg.cpp
new file mode 100644
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+++ b/kmplot/kmplot/FktDlg.cpp
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+/*
+* KmPlot - a math. function plotter for the KDE-Desktop
+*
+* Copyright (C) 1998, 1999  Klaus-Dieter M�ler
+*               2000, 2002 kd.moeller@t-online.de
+*               
+* This file is part of the KDE Project.
+* KmPlot is part of the KDE-EDU Project.
+*
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation; either version 2 of the License, or
+* (at your option) any later version.
+* 
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+* 
+* You should have received a copy of the GNU General Public License
+* along with this program; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+*
+*/
+
+// Qt includes
+// #include <qpushbutton.h>
+// #include <qpopupmenu.h>
+
+// KDE includes
+#include <kapplication.h>
+#include <klistview.h>
+#include <klocale.h>
+#include <kmessagebox.h>
+#include <kpushbutton.h>
+#include <qcstring.h>
+#include <qcursor.h>
+#include <qheader.h>
+
+// locale includes
+#include "FktDlg.h"
+#include "FktDlg.moc"
+#include "editfunction.h"
+#include "keditparametric.h"
+#include "keditpolar.h"
+#include "MainDlg.h"
+#include "parseriface.h"
+#include "xparser.h"
+
+#include <kdebug.h>
+
+FktDlg::FktDlg( QWidget* parent, View *view ) : FktDlgData( parent, "editPlots" ), m_view(view)
+{
+	connect( cmdCopyFunction, SIGNAL( clicked() ), this, SLOT( slotCopyFunction()) );
+	connect( cmdMoveFunction, SIGNAL( clicked() ), this, SLOT( slotMoveFunction()) );
+	connect( lb_fktliste, SIGNAL( doubleClicked(QListViewItem *, const QPoint &, int)), this, SLOT(lb_fktliste_doubleClicked(QListViewItem *, const QPoint &, int)) );
+	connect( lb_fktliste, SIGNAL( clicked(QListViewItem *)), this, SLOT(lb_fktliste_clicked(QListViewItem *)));
+	connect( lb_fktliste, SIGNAL( spacePressed(QListViewItem *)), this, SLOT(lb_fktliste_spacePressed(QListViewItem *)));
+
+	lb_fktliste->addColumn( "" );
+	lb_fktliste->header()->hide();
+	lb_fktliste->setResizeMode( QListView::LastColumn );
+}
+
+FktDlg::~FktDlg()
+{
+}
+
+void FktDlg::slotDelete()
+{
+	if ( lb_fktliste->currentItem() == 0)
+		return;
+	QCheckListItem *currentItem = dynamic_cast<QCheckListItem *>(lb_fktliste->currentItem());
+	if( currentItem->text()[0] == 'x' )
+	{
+    // Delete pair of parametric function
+		int const id = getParamId( currentItem->text());
+		if ( id == -1)
+			return;
+		if ( !m_view->parser()->delfkt(id))
+			return;
+	}
+	else
+	{
+    // only one function to be deleted
+		if (!m_view->parser()->delfkt( getId( currentItem->text()) ) )
+			return;
+	}
+	lb_fktliste->takeItem( currentItem );
+	changed = true;
+	updateView();
+	if ( lb_fktliste->childCount()==0 )
+		PushButtonDel->setEnabled(false);
+}
+
+void FktDlg::lb_fktliste_doubleClicked( QListViewItem *, const QPoint &, int )
+{
+	if ( mapFromGlobal(QCursor::pos()).x() <= 40 )
+		return;
+	slotEdit();
+}
+
+void FktDlg::lb_fktliste_spacePressed( QListViewItem *item)
+{
+	if ( !item )
+		return;
+	QCheckListItem *currentItem = dynamic_cast<QCheckListItem *>(item);
+	int id;
+	if ( currentItem->text()[0] == 'x' )
+		id = getParamId(currentItem->text());
+	else
+		id = getId(currentItem->text());
+	Ufkt *function = &m_view->parser()->ufkt[ m_view->parser()->ixValue(id) ];
+	if ( id==-1 )
+		return;
+	
+	function->f_mode=currentItem->isOn();
+	updateView();
+}
+
+void FktDlg::lb_fktliste_clicked( QListViewItem * item )
+{
+	if ( mapFromGlobal(QCursor::pos()).x() > 40 )
+		return;
+	lb_fktliste_spacePressed(item);
+}
+
+
+void FktDlg::slotEdit()
+{
+	QCheckListItem *currentItem = dynamic_cast<QCheckListItem *>(lb_fktliste->currentItem());
+	if ( currentItem == 0 )
+	{
+		PushButtonEdit->setEnabled(false);
+		return;
+	}
+	int const id = getId( currentItem->text().section( ";", 0, 0) ) ;
+	
+	// find out the function type
+	char const prefix = m_view->parser()->ufkt[ m_view->parser()->ixValue(id) ].fstr.at(0).latin1();
+	
+	if ( prefix == 'r')
+		slotEditPolar( id );
+	else if ( prefix == 'x')
+		slotEditParametric( id, m_view->parser()->ixValue(getId( currentItem->text().section( ";", 1, 1) )));
+	else
+		slotEditFunction( id );
+}
+
+int FktDlg::getId( const QString &f_str )
+{
+	for( QValueVector<Ufkt>::iterator it =  m_view->parser()->ufkt.begin(); it !=  m_view->parser()->ufkt.end(); ++it)
+	{
+		if ( it->fstr == f_str )
+			return it->id;
+	}
+	return -1;
+}
+
+int FktDlg::getParamId( const QString &f_str)
+{
+	QString const fname = f_str.section( "(", 0, 0 );
+	for( QValueVector<Ufkt>::iterator it =  m_view->parser()->ufkt.begin(); it !=  m_view->parser()->ufkt.end(); ++it)
+	{
+		if ( it->fname == fname )
+			return it->id;
+	}
+	return -1;
+}
+
+void FktDlg::updateView()
+{
+	m_view->drawPlot();
+}
+
+void FktDlg::slotHasSelection()
+{
+	bool const has_selection = !( lb_fktliste->currentItem() == 0 );
+	PushButtonEdit->setEnabled( has_selection );
+	PushButtonDel->setEnabled( has_selection );
+	cmdCopyFunction->setEnabled( has_selection );
+	cmdMoveFunction->setEnabled( has_selection );
+}
+
+void FktDlg::slotEditFunction( int id )
+{
+	EditFunction* editFunction = new EditFunction( m_view->parser(), this );
+	if ( id==-1 ) editFunction->setCaption(i18n( "New Function Plot" ));
+	else editFunction->setCaption(i18n( "Edit Function Plot" ));
+	editFunction->initDialog( id );
+	if( editFunction->exec() == QDialog::Accepted )
+	{
+		Ufkt *function = editFunction->functionItem();
+		QCheckListItem *item;
+		if( id == -1 ) //a new function
+			item = new QCheckListItem(lb_fktliste, function->fstr, QCheckListItem::CheckBox); //a new function
+		else //change a function
+		{
+			item = dynamic_cast<QCheckListItem *>(lb_fktliste->currentItem());
+			item->setText(0, function->fstr );
+		}
+		item->setOn(function->f_mode);
+		lb_fktliste->sort();
+		changed = true;
+		updateView();
+	}
+}
+
+void FktDlg::slotEditParametric( int x_id, int y_id)
+{
+	KEditParametric* editParametric = new KEditParametric( m_view->parser(), this );
+	if ( x_id==-1 && y_id==-1)
+		editParametric->setCaption(i18n( "New Parametric Plot" ));
+	editParametric->initDialog( x_id, y_id );
+	if( editParametric->exec() == QDialog::Accepted )
+	{
+		Ufkt *function_y = editParametric->functionItem();
+		Ufkt *function_x = &m_view->parser()->ufkt[m_view->parser()->ixValue(function_y->id - 1)]; //get the x-function
+		QCheckListItem *item;
+		if( x_id == -1 ) //a new function
+		{
+			item = new QCheckListItem(lb_fktliste, function_x->fstr+";"+function_y->fstr, QCheckListItem::CheckBox);
+		}
+		else //change a function
+		{
+			item = dynamic_cast<QCheckListItem *>(lb_fktliste->currentItem());
+			item->setText(0, function_x->fstr+";"+function_y->fstr );
+		}
+		item->setOn(function_y->f_mode);
+		lb_fktliste->sort();
+		changed = true;
+		updateView();
+	}
+}
+
+void FktDlg::slotEditPolar( int id )
+{
+	KEditPolar* editPolar = new KEditPolar( m_view->parser(), this );
+	if ( id==-1) editPolar->setCaption(i18n( "New Polar Plot" ));
+	editPolar->initDialog( id );
+	if( editPolar->exec() == QDialog::Accepted )
+	{
+		Ufkt *function = editPolar->functionItem();
+		QCheckListItem *item;
+		if( id == -1 ) // a new function
+		{
+			item = new QCheckListItem(lb_fktliste, function->fstr, QCheckListItem::CheckBox);
+		}
+		else //change a function
+		{
+			item = dynamic_cast<QCheckListItem *>(lb_fktliste->currentItem());
+			item->setText(0, function->fstr );
+		}
+		item->setOn(function->f_mode);
+		lb_fktliste->sort();
+		changed = true;
+		updateView();
+	}
+}
+
+void FktDlg::slotNewFunction()
+{
+	slotEditFunction();
+}
+
+void FktDlg::slotNewParametric()
+{
+	slotEditParametric();
+}
+
+void FktDlg::slotNewPolar()
+{
+	slotEditPolar();
+}
+
+void FktDlg::getPlots()
+{
+	lb_fktliste->clear();
+
+  // adding all yet added functions
+	for( QValueVector<Ufkt>::iterator it = m_view->parser()->ufkt.begin(); it != m_view->parser()->ufkt.end(); ++it)
+	{
+		if( it->fname.isEmpty() || it->fstr[0] == 'y' ) continue;
+		QCheckListItem *item;
+		if( it->fstr[0] == 'x' )
+		{
+			QString y = it->fstr;
+			++it;
+			item = new QCheckListItem( lb_fktliste,  y + ";" + it->fstr, QCheckListItem::CheckBox );
+		}
+		else
+			item = new QCheckListItem(lb_fktliste, it->fstr, QCheckListItem::CheckBox);
+		item->setOn(it->f_mode);
+	}
+	lb_fktliste->sort();
+}
+
+void  FktDlg::slotHelp()
+{
+	kapp->invokeHelp( "", "kmplot" );
+}
+
+bool FktDlg::isChanged()
+{
+	return changed;
+}
+
+void FktDlg::showEvent ( QShowEvent * )
+{
+	changed = false;
+}
+
+void FktDlg::slotCopyFunction()
+{
+	if ( lb_fktliste->currentItem() == 0)
+	{
+		cmdCopyFunction->setEnabled(false);
+		return;
+	}
+	QCheckListItem *currentItem = dynamic_cast<QCheckListItem *>(lb_fktliste->currentItem());
+	QString const fstr = currentItem->text();
+	m_view->parser()->sendFunction(getId(fstr));
+}
+
+void FktDlg::slotMoveFunction()
+{
+	if ( lb_fktliste->currentItem() == 0)
+	{
+		cmdCopyFunction->setEnabled(false);
+		return;
+	}
+	QCheckListItem *currentItem = dynamic_cast<QCheckListItem *>(lb_fktliste->currentItem());
+	QString const fstr = currentItem->text();
+	if ( !m_view->parser()->sendFunction(getId( currentItem->text()) ) )
+		return;
+	slotDelete();
+}