File indexing completed on 2024-05-12 16:36:09

 /* This file is part of the KDE project
    Copyright 1999-2006 The KSpread Team <calligra-devel@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 "RegionSelector.h"
 
 // Sheets
 #include "FormulaEditorHighlighter.h"
 #include "Selection.h"
 #include "SheetsDebug.h"
 
 // Calligra
 #include <KoIcon.h>
 #include <KoDialog.h>
 
 // KF5
 #include <KLocalizedString>
 #include <ktextedit.h>
 
 // Qt
 #include <QEvent>
 #include <QHBoxLayout>
 #include <QToolButton>
 
 using namespace Calligra::Sheets;
 
 class Q_DECL_HIDDEN RegionSelector::Private
 {
 public:
     Selection* selection;
     QDialog* parentDialog;
     KoDialog* dialog;
     KTextEdit* textEdit;
     QToolButton* button;
     FormulaEditorHighlighter* highlighter;
     DisplayMode displayMode;
     SelectionMode selectionMode;
     static RegionSelector* s_focussedSelector;
 };
 
 RegionSelector* RegionSelector::Private::s_focussedSelector = 0;
 
 RegionSelector::RegionSelector(QWidget* parent)
         : QWidget(parent),
         d(new Private)
 {
     setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Minimum);
 
     d->displayMode = Widget;
     d->parentDialog = 0;
     d->selection = 0;
     d->dialog = 0;
     d->button = new QToolButton(this);
     d->button->setCheckable(true);
     d->button->setIcon(koIcon("selection"));
     d->highlighter = 0;
     d->textEdit = new KTextEdit(this);
     d->textEdit->setLineWrapMode(QTextEdit::NoWrap);
     d->textEdit->setWordWrapMode(QTextOption::NoWrap);
     d->textEdit->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Minimum);
     d->textEdit->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
     d->textEdit->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
     d->textEdit->setFixedHeight(d->button->height() - 2*d->textEdit->frameWidth());   // FIXME
     d->textEdit->setTabChangesFocus(true);
 
     QHBoxLayout* layout = new QHBoxLayout(this);
     layout->setMargin(0);
     layout->setSpacing(2);
     layout->addWidget(d->textEdit);
     layout->addWidget(d->button);
 
     d->button->installEventFilter(this);
     d->textEdit->installEventFilter(this);
     connect(d->button, SIGNAL(toggled(bool)),
             this, SLOT(switchDisplayMode(bool)));
 }
 
 RegionSelector::~RegionSelector()
 {
     d->selection->endReferenceSelection();
     d->selection->setSelectionMode(Selection::MultipleCells);
     delete d;
 }
 
 void RegionSelector::setSelectionMode(SelectionMode mode)
 {
     d->selectionMode = mode;
     // TODO adjust selection
 }
 
 void RegionSelector::setSelection(Selection* selection)
 {
     d->selection = selection;
     d->highlighter = new FormulaEditorHighlighter(d->textEdit, d->selection);
     connect(d->selection, SIGNAL(changed(Region)), this, SLOT(choiceChanged()));
 }
 
 void RegionSelector::setDialog(QDialog* dialog)
 {
     d->parentDialog = dialog;
 }
 
 KTextEdit* RegionSelector::textEdit() const
 {
     return d->textEdit;
 }
 
 bool RegionSelector::eventFilter(QObject* object, QEvent* event)
 {
     if (event->type() == QEvent::Close) {
         if (object == d->dialog  && d->button->isChecked()) {
             // TODO Stefan: handle as button click
 //       d->button->toggle();
             event->ignore();
             return true; // eat it
         }
     } else if (event->type() == QEvent::FocusIn) {
         Private::s_focussedSelector = this;
         d->selection->startReferenceSelection();
         if (d->selectionMode == SingleCell) {
             d->selection->setSelectionMode(Selection::SingleCell);
         } else {
             d->selection->setSelectionMode(Selection::MultipleCells);
         }
         // TODO Stefan: initialize choice
     }
     return QObject::eventFilter(object, event);
 }
 
 void RegionSelector::switchDisplayMode(bool state)
 {
     Q_UNUSED(state)
     debugSheets ;
 
     if (d->displayMode == Widget) {
         d->displayMode = Dialog;
 
         d->dialog = new KoDialog(d->parentDialog->parentWidget(), Qt::Tool);
         d->dialog->resize(d->parentDialog->width(), 20);
         d->dialog->move(d->parentDialog->pos());
         d->dialog->setButtons(0);
         d->dialog->setModal(false);
 
         if (d->selectionMode == SingleCell) {
             d->dialog->setCaption(i18n("Select Single Cell"));
         } else { // if ( d->selectionMode == MultipleCells )
             d->dialog->setCaption(i18n("Select Multiple Cells"));
         }
 
         QWidget* widget = new QWidget(d->dialog);
         QHBoxLayout* layout = new QHBoxLayout(widget);
         layout->setMargin(0);
         layout->setSpacing(0);
         layout->addWidget(d->textEdit);
         layout->addWidget(d->button);
 
         d->dialog->setMainWidget(widget);
         d->dialog->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
         d->dialog->installEventFilter(this);
         d->dialog->show();
         d->parentDialog->hide();
     } else {
         d->displayMode = Widget;
 
         layout()->addWidget(d->textEdit);
         layout()->addWidget(d->button);
 
         d->parentDialog->move(d->dialog->pos());
         d->parentDialog->show();
         delete d->dialog;
         d->dialog = 0;
     }
 }
 
 void RegionSelector::choiceChanged()
 {
     if (Private::s_focussedSelector != this)
         return;
 
     if (d->selection->isValid()) {
         QString area = d->selection->name();
         d->textEdit->setPlainText(area);
     }
 }