File indexing completed on 2024-05-12 05:09:47

 /***************************************************************************
     Copyright (C) 2003-2021 Robby Stephenson <robby@periapsis.org>
  ***************************************************************************/
 
 /***************************************************************************
  *                                                                         *
  *   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) version 3 or any later version        *
  *   accepted by the membership of KDE e.V. (or its successor approved     *
  *   by the membership of KDE e.V.), which shall act as a proxy            *
  *   defined in Section 14 of version 3 of the license.                    *
  *                                                                         *
  *   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, see <http://www.gnu.org/licenses/>. *
  *                                                                         *
  ***************************************************************************/
 
 #include "fieldwidget.h"
 #include "../field.h"
 #include "../tellico_debug.h"
 
 #include <KUrlLabel>
 #include <KLocalizedString>
 
 #include <QWhatsThis>
 #include <QLabel>
 #include <QCheckBox>
 #include <QStyle>
 #include <QHBoxLayout>
 
 namespace {
   // if you change this, update numberfieldwidget, too
   const int FIELD_EDIT_WIDGET_INDEX = 2;
 }
 
 using Tellico::GUI::FieldWidget;
 
 FieldWidget::FieldWidget(Tellico::Data::FieldPtr field_, QWidget* parent_)
     : QWidget(parent_), m_field(field_), m_settingText(false) {
   QHBoxLayout* l = new QHBoxLayout(this);
   l->setMargin(2);
   l->setSpacing(2);
   l->addSpacing(4); // add some more space in the columns between widgets
 
   Q_ASSERT(field_);
   Data::Field::Type type = field_->type();
   QString s = i18nc("Edit Label", "%1:", field_->title());
   if(type == Data::Field::URL) {
     // set URL to empty for now
     m_label = new KUrlLabel(QString(), s, this);
   } else {
     m_label = new QLabel(s, this);
   }
   m_label->setFixedWidth(m_label->sizeHint().width());
   l->addWidget(m_label);
 
   if(field_->isSingleCategory()) {
     m_label->hide();
   }
 
   // expands indicates if the edit widget should expand to full width of widget
   m_expands = (type == Data::Field::Line
                || type == Data::Field::Para
                || type == Data::Field::Number
                || type == Data::Field::URL
                || type == Data::Field::Table
                || type == Data::Field::Table2
                || type == Data::Field::Image
                || type == Data::Field::Date);
 
   m_editMultiple = new QCheckBox(this);
   m_editMultiple->setChecked(true);
   m_editMultiple->setFixedWidth(m_editMultiple->sizeHint().width()); // don't let it have any extra space
   connect(m_editMultiple, &QCheckBox::toggled, this, &FieldWidget::setEnabled);
   l->addWidget(m_editMultiple);
 
   setWhatsThis(field_->description());
 }
 
 void FieldWidget::insertDefault() {
   setText(m_field->defaultValue());
 }
 
 bool FieldWidget::isEnabled() {
   return widget()->isEnabled();
 }
 
 void FieldWidget::setEnabled(bool enabled_) {
   if(enabled_ == isEnabled()) {
     return;
   }
 
   widget()->setEnabled(enabled_);
   m_editMultiple->setChecked(enabled_);
 }
 
 void FieldWidget::setText(const QString& text_) {
   m_oldValue = text_;
   m_settingText = true;
   setTextImpl(text_);
   m_oldValue = text(); // the widget might have clean-up the text after being set
   m_settingText = false;
   // now check to see if the widget modified the text
   checkModified();
 }
 
 void FieldWidget::clear() {
   m_oldValue.clear();
   clearImpl();
 }
 
 int FieldWidget::labelWidth() const {
   return m_label->sizeHint().width();
 }
 
 void FieldWidget::setLabelWidth(int width_) {
   m_label->setFixedWidth(width_);
 }
 
 bool FieldWidget::expands() const {
   return m_expands;
 }
 
 void FieldWidget::editMultiple(bool show_) {
   if(show_ == !m_editMultiple->isHidden()) {
     return;
   }
 
   // FIXME: maybe valueChanged should only be signaled when the button is toggled on
   if(show_) {
     m_editMultiple->show();
     connect(m_editMultiple, &QAbstractButton::clicked, this, &FieldWidget::multipleChecked);
   } else {
     m_editMultiple->hide();
     disconnect(m_editMultiple, &QAbstractButton::clicked, this, &FieldWidget::multipleChecked);
   }
   // the widget length needs to be updated since it gets shorter
   widget()->updateGeometry();
 }
 
 void FieldWidget::registerWidget() {
   QWidget* w = widget();
   m_label->setBuddy(w);
   if(w->focusPolicy() != Qt::NoFocus) {
     setFocusProxy(w);
   }
 
   QHBoxLayout* l = static_cast<QHBoxLayout*>(layout());
   l->insertWidget(FIELD_EDIT_WIDGET_INDEX, w, m_expands ? 1 : 0 /*stretch*/);
   if(!m_expands) {
     l->insertStretch(FIELD_EDIT_WIDGET_INDEX+1, 1 /*stretch*/);
   }
   updateGeometry();
 }
 
 void FieldWidget::setField(Tellico::Data::FieldPtr field_) {
   m_field = field_;
 }
 
 void FieldWidget::updateField(Tellico::Data::FieldPtr oldField_, Tellico::Data::FieldPtr newField_) {
   m_field = newField_;
   m_label->setText(i18nc("Edit Label", "%1:", newField_->title()));
   updateGeometry();
   setWhatsThis(newField_->description());
   updateFieldHook(oldField_, newField_);
 }
 
 void FieldWidget::checkModified() {
   // some of the widgets have signals that fire when the text is modified
   // in particular, the tablewidget used to prune empty rows when text() was called
   // just to guard against that in the future, don't emit anything if
   // we're in the process of setting the text
   if(m_settingText) {
     return;
   }
   const QString value = text();
   if(value != m_oldValue) {
 //    myDebug() << "old value:" << m_oldValue << "| new value:" << value;
     m_oldValue = value;
     emit valueChanged(m_field);
   }
 }
 
 void FieldWidget::multipleChecked() {
   emit valueChanged(m_field);
 }