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koffice/kspread/dialogs/kspread_dlg_formula.cc

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/* This file is part of the KDE project
Copyright (C) 2002-2003 Ariya Hidayat <ariya@kde.org>
(C) 2002-2003 Norbert Andres <nandres@web.de>
(C) 1999-2003 Laurent Montel <montel@kde.org>
(C) 2002 Philipp Mueller <philipp.mueller@gmx.de>
(C) 2002 John Dailey <dailey@vt.edu>
(C) 2002 Daniel Herring <herring@eecs.ku.edu>
(C) 2000-2001 Werner Trobin <trobin@kde.org>
(C) 1998-2000 Torben Weis <weis@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <tqtextbrowser.h>
#include <tqtabwidget.h>
#include "kspread_dlg_formula.h"
#include "kspread_canvas.h"
#include "kspread_util.h"
#include "kspread_editors.h"
#include "kspread_doc.h"
#include "kspread_locale.h"
#include "kspread_map.h"
#include "selection.h"
#include "kspread_sheet.h"
#include "kspread_view.h"
#include "functions.h"
#include <kapplication.h>
#include <kdebug.h>
#include <kbuttonbox.h>
#include <knumvalidator.h>
#include <tqcombobox.h>
#include <tqevent.h>
#include <tqlistbox.h>
#include <tqlabel.h>
#include <tqpushbutton.h>
#include <klineedit.h>
#include <tqlayout.h>
using namespace KSpread;
FormulaDialog::FormulaDialog( View* parent, const char* name,const TQString& formulaName)
: KDialogBase( parent, name,false,i18n("Function"), Ok|Cancel )
{
setWFlags( TQt::WDestructiveClose );
m_pView = parent;
m_focus = 0;
m_desc = 0;
Cell* cell = m_pView->activeSheet()->cellAt( m_pView->canvasWidget()->markerColumn(),
m_pView->canvasWidget()->markerRow() );
m_oldText=cell->text();
// Make sure that there is a cell editor running.
if ( !m_pView->canvasWidget()->editor() )
{
m_pView->canvasWidget()->createEditor( Canvas::CellEditor );
if(cell->text().isEmpty())
m_pView->canvasWidget()->editor()->setText( "=" );
else
if(cell->text().at(0)!='=')
m_pView->canvasWidget()->editor()->setText( "="+cell->text() );
else
m_pView->canvasWidget()->editor()->setText( cell->text() );
}
Q_ASSERT( m_pView->canvasWidget()->editor() );
TQWidget *page = new TQWidget( this );
setMainWidget(page);
TQGridLayout *grid1 = new TQGridLayout(page,11,2,KDialog::marginHint(), KDialog::spacingHint());
searchFunct = new KLineEdit(page);
TQSizePolicy sp3( TQSizePolicy::Preferred, TQSizePolicy::Fixed );
searchFunct->setSizePolicy( sp3 );
grid1->addWidget( searchFunct, 0, 0 );
typeFunction = new TQComboBox(page);
TQStringList cats = FunctionRepository::self()->groups();
cats.prepend( i18n("All") );
typeFunction->insertStringList( cats );
grid1->addWidget( typeFunction, 1, 0 );
functions = new TQListBox(page);
TQSizePolicy sp1( TQSizePolicy::Preferred, TQSizePolicy::Expanding );
functions->setSizePolicy( sp1 );
grid1->addWidget( functions, 2, 0 );
selectFunction = new TQPushButton( page );
TQToolTip::add(selectFunction, i18n("Insert function") );
selectFunction->setPixmap( BarIcon( "down", KIcon::SizeSmall ) );
grid1->addWidget( selectFunction, 3, 0 );
result = new TQLineEdit( page );
grid1->addMultiCellWidget( result, 4, 4, 0, 1 );
m_tabwidget = new TQTabWidget( page );
TQSizePolicy sp2( TQSizePolicy::Expanding, TQSizePolicy::Expanding );
m_tabwidget->setSizePolicy( sp2 );
grid1->addMultiCellWidget( m_tabwidget, 0, 2, 1, 1 );
m_browser = new TQTextBrowser( m_tabwidget );
m_browser->setMinimumWidth( 300 );
m_tabwidget->addTab( m_browser, i18n("&Help") );
int index = m_tabwidget->currentPageIndex();
m_input = new TQWidget( m_tabwidget );
TQVBoxLayout *grid2 = new TQVBoxLayout( m_input, KDialog::marginHint(), KDialog::spacingHint() );
// grid2->setResizeMode (TQLayout::Minimum);
label1 = new TQLabel(m_input);
grid2->addWidget( label1 );
firstElement=new TQLineEdit(m_input);
grid2->addWidget( firstElement );
label2=new TQLabel(m_input);
grid2->addWidget( label2 );
secondElement=new TQLineEdit(m_input);
grid2->addWidget( secondElement );
label3=new TQLabel(m_input);
grid2->addWidget( label3 );
thirdElement=new TQLineEdit(m_input);
grid2->addWidget( thirdElement );
label4=new TQLabel(m_input);
grid2->addWidget( label4 );
fourElement=new TQLineEdit(m_input);
grid2->addWidget( fourElement );
label5=new TQLabel(m_input);
grid2->addWidget( label5 );
fiveElement=new TQLineEdit(m_input);
grid2->addWidget( fiveElement );
grid2->addStretch( 10 );
m_tabwidget->addTab( m_input, i18n("&Parameters") );
m_tabwidget->setTabEnabled( m_input, FALSE );
m_tabwidget->setCurrentPage( index );
refresh_result = true;
connect( this, TQT_SIGNAL( cancelClicked() ), this, TQT_SLOT( slotClose() ) );
connect( this, TQT_SIGNAL( okClicked() ), this, TQT_SLOT( slotOk() ) );
connect( typeFunction, TQT_SIGNAL( activated(const TQString &) ),
this, TQT_SLOT( slotActivated(const TQString &) ) );
connect( functions, TQT_SIGNAL( highlighted(const TQString &) ),
this, TQT_SLOT( slotSelected(const TQString &) ) );
connect( functions, TQT_SIGNAL( selected(const TQString &) ),
this, TQT_SLOT( slotSelected(const TQString &) ) );
connect( functions, TQT_SIGNAL( doubleClicked(TQListBoxItem * ) ),
this ,TQT_SLOT( slotDoubleClicked(TQListBoxItem *) ) );
slotActivated(i18n("All"));
connect( selectFunction, TQT_SIGNAL(clicked()),
this,TQT_SLOT(slotSelectButton()));
connect( firstElement,TQT_SIGNAL(textChanged ( const TQString & )),
this,TQT_SLOT(slotChangeText(const TQString &)));
connect( secondElement,TQT_SIGNAL(textChanged ( const TQString & )),
this,TQT_SLOT(slotChangeText(const TQString &)));
connect( thirdElement,TQT_SIGNAL(textChanged ( const TQString & )),
this,TQT_SLOT(slotChangeText(const TQString &)));
connect( fourElement,TQT_SIGNAL(textChanged ( const TQString & )),
this,TQT_SLOT(slotChangeText(const TQString &)));
connect( fiveElement,TQT_SIGNAL(textChanged ( const TQString & )),
this,TQT_SLOT(slotChangeText(const TQString &)));
connect( m_pView->choice(), TQT_SIGNAL(changed(const Region&)),
this, TQT_SLOT(slotSelectionChanged()));
connect( m_browser, TQT_SIGNAL( linkClicked( const TQString& ) ),
this, TQT_SLOT( slotShowFunction( const TQString& ) ) );
// Save the name of the active sheet.
m_sheetName = m_pView->activeSheet()->sheetName();
// Save the cells current text.
TQString tmp_oldText = m_pView->canvasWidget()->editor()->text();
// Position of the cell.
m_column = m_pView->canvasWidget()->markerColumn();
m_row = m_pView->canvasWidget()->markerRow();
if( tmp_oldText.isEmpty() )
result->setText("=");
else
{
if( tmp_oldText.at(0)!='=')
result->setText( "=" + tmp_oldText );
else
result->setText( tmp_oldText );
}
// Allow the user to select cells on the spreadsheet.
m_pView->canvasWidget()->startChoose();
tqApp->installEventFilter( this );
// Was a function name passed along with the constructor ? Then activate it.
if( !formulaName.isEmpty() )
{
functions->setCurrentItem( functions->index( functions->findItem( formulaName ) ) );
slotDoubleClicked( functions->findItem( formulaName ) );
}
else
{
// Set keyboard focus to allow selection of a formula.
searchFunct->setFocus();
}
// Add auto completion.
searchFunct->setCompletionMode( TDEGlobalSettings::CompletionAuto );
searchFunct->setCompletionObject( &listFunct, true );
if( functions->currentItem() == -1 )
selectFunction->setEnabled( false );
connect( searchFunct, TQT_SIGNAL( textChanged( const TQString & ) ),
this, TQT_SLOT( slotSearchText(const TQString &) ) );
connect( searchFunct, TQT_SIGNAL( returnPressed() ),
this, TQT_SLOT( slotPressReturn() ) );
}
FormulaDialog::~FormulaDialog()
{
kdDebug(36001)<<"FormulaDialog::~FormulaDialog() \n";
}
void FormulaDialog::slotPressReturn()
{
//laurent 2001-07-07 desactivate this code
//because kspread crash.
//TODO fix it
/*
if( !functions->currentText().isEmpty() )
slotDoubleClicked( functions->findItem( functions->currentText() ) );
*/
}
void FormulaDialog::slotSearchText(const TQString &_text)
{
TQString result = listFunct.makeCompletion( _text.upper() );
if( !result.isNull() )
functions->setCurrentItem( functions->index( functions->findItem( result ) ) );
}
bool FormulaDialog::eventFilter( TQObject* obj, TQEvent* ev )
{
if ( TQT_BASE_OBJECT(obj) == TQT_BASE_OBJECT(firstElement) && ev->type() == TQEvent::FocusIn )
m_focus = firstElement;
else if ( TQT_BASE_OBJECT(obj) == TQT_BASE_OBJECT(secondElement) && ev->type() == TQEvent::FocusIn )
m_focus = secondElement;
else if ( TQT_BASE_OBJECT(obj) == TQT_BASE_OBJECT(thirdElement) && ev->type() == TQEvent::FocusIn )
m_focus = thirdElement;
else if ( TQT_BASE_OBJECT(obj) == TQT_BASE_OBJECT(fourElement) && ev->type() == TQEvent::FocusIn )
m_focus = fourElement;
else if ( TQT_BASE_OBJECT(obj) == TQT_BASE_OBJECT(fiveElement) && ev->type() == TQEvent::FocusIn )
m_focus = fiveElement;
else
return FALSE;
if ( m_focus )
m_pView->canvasWidget()->startChoose();
return FALSE;
}
void FormulaDialog::slotOk()
{
m_pView->doc()->emitBeginOperation( false );
m_pView->canvasWidget()->endChoose();
// Switch back to the old sheet
if( m_pView->activeSheet()->sheetName() != m_sheetName )
{
Sheet *sheet=m_pView->doc()->map()->findSheet(m_sheetName);
if( sheet)
m_pView->setActiveSheet(sheet);
}
// Revert the marker to its original position
m_pView->selectionInfo()->initialize( TQPoint( m_column, m_row ) );
// If there is still an editor then set the text.
// Usually the editor is always in place.
if( m_pView->canvasWidget()->editor() != 0 )
{
Q_ASSERT( m_pView->canvasWidget()->editor() );
TQString tmp = result->text();
if( tmp.at(0) != '=')
tmp = "=" + tmp;
int pos = m_pView->canvasWidget()->editor()->cursorPosition()+ tmp.length();
m_pView->canvasWidget()->editor()->setText( tmp );
m_pView->canvasWidget()->editor()->setFocus();
m_pView->canvasWidget()->editor()->setCursorPosition( pos );
}
m_pView->slotUpdateView( m_pView->activeSheet() );
accept();
// delete this;
}
void FormulaDialog::slotClose()
{
m_pView->doc()->emitBeginOperation( false );
m_pView->canvasWidget()->endChoose();
// Switch back to the old sheet
if(m_pView->activeSheet()->sheetName() != m_sheetName )
{
Sheet *sheet=m_pView->doc()->map()->findSheet(m_sheetName);
if( !sheet )
return;
m_pView->setActiveSheet(sheet);
}
// Revert the marker to its original position
m_pView->selectionInfo()->initialize( TQPoint( m_column, m_row ) );
// If there is still an editor then reset the text.
// Usually the editor is always in place.
if( m_pView->canvasWidget()->editor() != 0 )
{
Q_ASSERT( m_pView->canvasWidget()->editor() );
m_pView->canvasWidget()->editor()->setText( m_oldText );
m_pView->canvasWidget()->editor()->setFocus();
}
m_pView->slotUpdateView( m_pView->activeSheet() );
reject();
//laurent 2002-01-03 comment this line otherwise kspread crash
//but dialog box is not deleted => not good
//delete this;
}
void FormulaDialog::slotSelectButton()
{
if( functions->currentItem() != -1 )
{
slotDoubleClicked(functions->findItem(functions->text(functions->currentItem())));
}
}
void FormulaDialog::slotChangeText( const TQString& )
{
// Test the lock
if( !refresh_result )
return;
if ( m_focus == 0 )
return;
TQString tmp = m_leftText+m_funcName+"(";
tmp += createFormula();
tmp = tmp+ ")" + m_rightText;
result->setText( tmp );
}
TQString FormulaDialog::createFormula()
{
TQString tmp( "" );
if ( !m_desc )
return TQString();
bool first = TRUE;
int count = m_desc->params();
if(!firstElement->text().isEmpty() && count >= 1 )
{
tmp=tmp+createParameter(firstElement->text(), 0 );
first = FALSE;
}
if(!secondElement->text().isEmpty() && count >= 2 )
{
first = FALSE;
if ( !first )
tmp=tmp+";"+createParameter(secondElement->text(), 1 );
else
tmp=tmp+createParameter(secondElement->text(), 1 );
}
if(!thirdElement->text().isEmpty() && count >= 3 )
{
first = FALSE;
if ( !first )
tmp=tmp+";"+createParameter(thirdElement->text(), 2 );
else
tmp=tmp+createParameter(thirdElement->text(), 2 );
}
if(!fourElement->text().isEmpty() && count >= 4 )
{
first = FALSE;
if ( !first )
tmp=tmp+";"+createParameter(fourElement->text(), 3 );
else
tmp=tmp+createParameter(fourElement->text(), 3 );
}
if(!fiveElement->text().isEmpty() && count >= 5 )
{
first = FALSE;
if ( !first )
tmp=tmp+";"+createParameter(fiveElement->text(), 4 );
else
tmp=tmp+createParameter(fiveElement->text(), 4 );
}
return(tmp);
}
TQString FormulaDialog::createParameter( const TQString& _text, int param )
{
if ( _text.isEmpty() )
return TQString( "" );
if ( !m_desc )
return TQString( "" );
TQString text;
ParameterType elementType = m_desc->param( param ).type();
switch( elementType )
{
case KSpread_Any:
{
bool isNumber;
double tmp = m_pView->doc()->locale()->readNumber( _text, &isNumber );
Q_UNUSED( tmp );
//In case of number or boolean return _text, else return value as KSpread_String
if ( isNumber || _text.upper() =="FALSE" || _text.upper() == "TRUE" )
return _text;
}
// fall through
case KSpread_String:
{
// Does the text start with quotes?
if ( _text[0] == '"' )
{
text = "\\"; // changed: was "\""
// Escape quotes
TQString tmp = _text;
int pos;
int start = 1;
while( ( pos = tmp.find( '"', start ) ) != -1 )
{
if (tmp[pos - 1] != '\\')
tmp.replace( pos, 1, "\\\"" );
else
start = pos + 1;
}
text += tmp;
text += "\"";
}
else
{
Point p = Point( _text, m_pView->doc()->map() );
Range r = Range( _text, m_pView->doc()->map() );
if( !p.isValid() && !r.isValid() )
{
text = "\"";
// Escape quotes
TQString tmp = _text;
int pos;
int start = 1;
while( ( pos = tmp.find( '"', start ) ) != -1 )
{
if (tmp[pos - 1] != '\\')
tmp.replace( pos, 1, "\\\"" );
else
start = pos + 1;
}
text += tmp;
text += "\"";
}
else
text = _text;
}
}
return text;
case KSpread_Float:
return _text;
case KSpread_Boolean:
return _text;
case KSpread_Int:
return _text;
}
// Never reached
return text;
}
static void showEntry( TQLineEdit* edit, TQLabel* label,
FunctionDescription* desc, int param )
{
edit->show();
label->setText( desc->param( param ).helpText()+":" );
label->show();
ParameterType elementType = desc->param( param ).type();
KFloatValidator *validate=0L;
switch( elementType )
{
case KSpread_String:
case KSpread_Boolean:
case KSpread_Any:
edit->clearValidator ();
break;
case KSpread_Float:
validate=new KFloatValidator (edit);
validate->setAcceptLocalizedNumbers(true);
edit->setValidator(validate);
edit->setText( "0" );
break;
case KSpread_Int:
edit->setValidator(new TQIntValidator (TQT_TQOBJECT(edit)));
edit->setText( "0" );
break;
}
}
void FormulaDialog::slotDoubleClicked( TQListBoxItem* item )
{
if ( !item )
return;
refresh_result = false;
if ( !m_desc )
{
m_browser->setText( "" );
return;
}
m_focus = 0;
int old_length = result->text().length();
// Dont change order of these function calls due to a bug in TQt 2.2
m_browser->setText( m_desc->toTQML() );
m_tabwidget->setTabEnabled( m_input, TRUE );
m_tabwidget->setCurrentPage( 1 );
//
// Show as many TQLineEdits as needed.
//
if( m_desc->params() > 0 )
{
m_focus = firstElement;
firstElement->setFocus();
showEntry( firstElement, label1, m_desc, 0 );
}
else
{
label1->hide();
firstElement->hide();
}
if( m_desc->params() > 1 )
{
showEntry( secondElement, label2, m_desc, 1 );
}
else
{
label2->hide();
secondElement->hide();
}
if( m_desc->params() > 2 )
{
showEntry( thirdElement, label3, m_desc, 2 );
}
else
{
label3->hide();
thirdElement->hide();
}
if( m_desc->params() > 3 )
{
showEntry( fourElement, label4, m_desc, 3 );
}
else
{
label4->hide();
fourElement->hide();
}
if( m_desc->params() > 4 )
{
showEntry( fiveElement, label5, m_desc, 4 );
}
else
{
label5->hide();
fiveElement->hide();
}
if( m_desc->params() > 5 )
{
kdDebug(36001) << "Error in param->nb_param" << endl;
}
refresh_result= true;
//
// Put the new function call in the result.
//
if( result->cursorPosition() < old_length )
{
m_rightText=result->text().right(old_length-result->cursorPosition());
m_leftText=result->text().left(result->cursorPosition());
}
else
{
m_rightText="";
m_leftText=result->text();
}
int pos = result->cursorPosition();
result->setText( m_leftText+functions->text( functions->currentItem() ) + "()" + m_rightText);
if (result->text()[0] != '=')
result->setText("=" + result->text());
//
// Put focus somewhere is there are no TQLineEdits visible
//
if( m_desc->params() == 0 )
{
label1->show();
label1->setText( i18n("This function has no parameters.") );
result->setFocus();
result->setCursorPosition(pos+functions->text(functions->currentItem()).length()+2);
}
slotChangeText( "" );
}
void FormulaDialog::slotSelected( const TQString& function )
{
FunctionDescription* desc =
FunctionRepository::self()->functionInfo (function);
if ( !desc )
{
m_browser->setText (i18n ("Description is not available."));
return;
}
if( functions->currentItem() !=- 1 )
selectFunction->setEnabled( TRUE );
// Lock
refresh_result = false;
m_funcName = function;
m_desc = desc;
// Set the help text
m_browser->setText( m_desc->toTQML() );
m_browser->setContentsPos( 0, 0 );
m_focus=0;
m_tabwidget->setCurrentPage( 0 );
m_tabwidget->setTabEnabled( m_input, FALSE );
// Unlock
refresh_result=true;
}
// from hyperlink in the "Related Function"
void FormulaDialog::slotShowFunction( const TQString& function )
{
FunctionDescription* desc =
FunctionRepository::self()->functionInfo( function );
if ( !desc ) return;
// select the category
TQString category = desc->group();
typeFunction->setCurrentText( category );
slotActivated( category );
// select the function
TQListBoxItem* item = functions->findItem( function,
TQt::ExactMatch | TQt::CaseSensitive );
if( item ) functions->setCurrentItem( item );
slotSelected( function );
}
void FormulaDialog::slotSelectionChanged()
{
if ( !m_focus )
return;
if (m_pView->choice()->isValid())
{
TQString area = m_pView->choice()->name();
m_focus->setText( area );
}
}
void FormulaDialog::slotActivated( const TQString& category )
{
TQStringList lst;
if ( category == i18n("All") )
lst = FunctionRepository::self()->functionNames();
else
lst = FunctionRepository::self()->functionNames( category );
kdDebug(36001)<<"category: "<<category<<" ("<<lst.count()<<"functions)" << endl;
functions->clear();
functions->insertStringList( lst );
TQStringList upperList;
for ( TQStringList::Iterator it = lst.begin(); it != lst.end();++it )
upperList.append((*it).upper());
listFunct.setItems( upperList );
// Go to the first function in the list.
functions->setCurrentItem(0);
slotSelected( functions->text(0) );
}
void FormulaDialog::closeEvent ( TQCloseEvent * e )
{
e->accept();
}
#include "kspread_dlg_formula.moc"
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