/* -*- mode: C++; c-file-style: "gnu" -*- simplestringlisteditor.cpp This file is part of KMail, the KDE mail client. Copyright (c) 2001 Marc Mutz KMail is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License, version 2, as published by the Free Software Foundation. KMail 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 In addition, as a special exception, the copyright holders give permission to link the code of this program with any edition of the Qt library by Trolltech AS, Norway (or with modified versions of Qt that use the same license as Qt), and distribute linked combinations including the two. You must obey the GNU General Public License in all respects for all of the code used other than Qt. If you modify this file, you may extend this exception to your version of the file, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version. */ #ifdef HAVE_CONFIG_H #include #endif #include "simplestringlisteditor.h" #include #include #include #include #include #include //******************************************************** // SimpleStringListEditor //******************************************************** // small helper function: static inline QListBoxItem * findSelectedItem( QListBox * lb ) { QListBoxItem * item = 0; for ( item = lb->firstItem() ; item && !item->isSelected() ; item = item->next() ) ; return item; } SimpleStringListEditor::SimpleStringListEditor( QWidget * parent, const char * name, ButtonCode buttons, const QString & addLabel, const QString & removeLabel, const QString & modifyLabel, const QString & addDialogLabel ) : QWidget( parent, name ), mAddButton(0), mRemoveButton(0), mModifyButton(0), mUpButton(0), mDownButton(0), mAddDialogLabel( addDialogLabel.isEmpty() ? i18n("New entry:") : addDialogLabel ) { QHBoxLayout * hlay = new QHBoxLayout( this, 0, KDialog::spacingHint() ); mListBox = new QListBox( this ); hlay->addWidget( mListBox, 1 ); if ( buttons == None ) kdDebug(5006) << "SimpleStringListBox called with no buttons. " "Consider using a plain QListBox instead!" << endl; QVBoxLayout * vlay = new QVBoxLayout( hlay ); // inherits spacing if ( buttons & Add ) { if ( addLabel.isEmpty() ) mAddButton = new QPushButton( i18n("&Add..."), this ); else mAddButton = new QPushButton( addLabel, this ); mAddButton->setAutoDefault( false ); vlay->addWidget( mAddButton ); connect( mAddButton, SIGNAL(clicked()), this, SLOT(slotAdd()) ); } if ( buttons & Remove ) { if ( removeLabel.isEmpty() ) mRemoveButton = new QPushButton( i18n("&Remove"), this ); else mRemoveButton = new QPushButton( removeLabel, this ); mRemoveButton->setAutoDefault( false ); mRemoveButton->setEnabled( false ); // no selection yet vlay->addWidget( mRemoveButton ); connect( mRemoveButton, SIGNAL(clicked()), this, SLOT(slotRemove()) ); } if ( buttons & Modify ) { if ( modifyLabel.isEmpty() ) mModifyButton = new QPushButton( i18n("&Modify..."), this ); else mModifyButton = new QPushButton( modifyLabel, this ); mModifyButton->setAutoDefault( false ); mModifyButton->setEnabled( false ); // no selection yet vlay->addWidget( mModifyButton ); connect( mModifyButton, SIGNAL(clicked()), this, SLOT(slotModify()) ); connect( mListBox, SIGNAL( doubleClicked( QListBoxItem* ) ), this, SLOT( slotModify() ) ); } if ( buttons & Up ) { if ( !(buttons & Down) ) kdDebug(5006) << "Are you sure you want to use an Up button " "without a Down button??" << endl; mUpButton = new KPushButton( QString::null, this ); mUpButton->setIconSet( BarIconSet( "up", KIcon::SizeSmall ) ); mUpButton->setAutoDefault( false ); mUpButton->setEnabled( false ); // no selection yet vlay->addWidget( mUpButton ); connect( mUpButton, SIGNAL(clicked()), this, SLOT(slotUp()) ); } if ( buttons & Down ) { if ( !(buttons & Up) ) kdDebug(5006) << "Are you sure you want to use a Down button " "without an Up button??" << endl; mDownButton = new KPushButton( QString::null, this ); mDownButton->setIconSet( BarIconSet( "down", KIcon::SizeSmall ) ); mDownButton->setAutoDefault( false ); mDownButton->setEnabled( false ); // no selection yet vlay->addWidget( mDownButton ); connect( mDownButton, SIGNAL(clicked()), this, SLOT(slotDown()) ); } vlay->addStretch( 1 ); // spacer connect( mListBox, SIGNAL(selectionChanged()), this, SLOT(slotSelectionChanged()) ); } void SimpleStringListEditor::setStringList( const QStringList & strings ) { mListBox->clear(); mListBox->insertStringList( strings ); } void SimpleStringListEditor::appendStringList( const QStringList & strings ) { mListBox->insertStringList( strings ); } QStringList SimpleStringListEditor::stringList() const { QStringList result; for ( QListBoxItem * item = mListBox->firstItem() ; item ; item = item->next() ) result << item->text(); return result; } void SimpleStringListEditor::setButtonText( ButtonCode button, const QString & text ) { switch ( button ) { case Add: if ( !mAddButton ) break; mAddButton->setText( text ); return; case Remove: if ( !mRemoveButton ) break; mRemoveButton->setText( text ); return; case Modify: if ( !mModifyButton ) break; mModifyButton->setText( text ); return; case Up: case Down: kdDebug(5006) << "SimpleStringListEditor: Cannot change text of " "Up and Down buttons: they don't contains text!" << endl; return; default: if ( button & All ) kdDebug(5006) << "SimpleStringListEditor::setButtonText: No such button!" << endl; else kdDebug(5006) << "SimpleStringListEditor::setButtonText: Can only set " "text for one button at a time!" << endl; return; } kdDebug(5006) << "SimpleStringListEditor::setButtonText: the requested " "button has not been created!" << endl; } void SimpleStringListEditor::slotAdd() { bool ok = false; QString newEntry = KInputDialog::getText( i18n("New Value"), mAddDialogLabel, QString::null, &ok, this ); // let the user verify the string before adding emit aboutToAdd( newEntry ); if ( ok && !newEntry.isEmpty() ) mListBox->insertItem( newEntry ); emit changed(); } void SimpleStringListEditor::slotRemove() { delete findSelectedItem( mListBox ); // delete 0 is well-behaved... emit changed(); } void SimpleStringListEditor::slotModify() { QListBoxItem * item = findSelectedItem( mListBox ); if ( !item ) return; bool ok = false; QString newText = KInputDialog::getText( i18n("Change Value"), mAddDialogLabel, item->text(), &ok, this ); emit aboutToAdd( newText ); if ( !ok || newText.isEmpty() || newText == item->text() ) return; int index = mListBox->index( item ); delete item; mListBox->insertItem( newText, index ); mListBox->setCurrentItem( index ); emit changed(); } void SimpleStringListEditor::slotUp() { QListBoxItem * item = findSelectedItem( mListBox ); if ( !item || !item->prev() ) return; // find the item that we want to insert after: QListBoxItem * pprev = item->prev()->prev(); // take the item from it's current position... mListBox->takeItem( item ); // ...and insert it after the above mentioned item: mListBox->insertItem( item, pprev ); // make sure the old item is still the current one: mListBox->setCurrentItem( item ); // enable and disable controls: if ( mRemoveButton ) mRemoveButton->setEnabled( true ); if ( mModifyButton ) mModifyButton->setEnabled( true ); if ( mUpButton ) mUpButton->setEnabled( item->prev() ); if ( mDownButton ) mDownButton->setEnabled( true ); emit changed(); } void SimpleStringListEditor::slotDown() { QListBoxItem * item = findSelectedItem( mListBox ); if ( !item || !item->next() ) return; // find the item that we want to insert after: QListBoxItem * next = item->next(); // take the item from it's current position... mListBox->takeItem( item ); // ...and insert it after the above mentioned item: if ( next ) mListBox->insertItem( item, next ); else mListBox->insertItem( item ); // make sure the old item is still the current one: mListBox->setCurrentItem( item ); // enable and disable controls: if ( mRemoveButton ) mRemoveButton->setEnabled( true ); if ( mModifyButton ) mModifyButton->setEnabled( true ); if ( mUpButton ) mUpButton->setEnabled( true ); if ( mDownButton ) mDownButton->setEnabled( item->next() ); emit changed(); } void SimpleStringListEditor::slotSelectionChanged() { // try to find a selected item: QListBoxItem * item = findSelectedItem( mListBox ); // if there is one, item will be non-null (ie. true), else 0 // (ie. false): if ( mRemoveButton ) mRemoveButton->setEnabled( item ); if ( mModifyButton ) mModifyButton->setEnabled( item ); if ( mUpButton ) mUpButton->setEnabled( item && item->prev() ); if ( mDownButton ) mDownButton->setEnabled( item && item->next() ); } #include "simplestringlisteditor.moc"