xmlRpcItemDelegate.cpp

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/*
 * Copyright (c) 2011, C. Dornhege, University of Freiburg
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  * Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.  
 *  * Redistributions in binary form must reproduce the above copyright notice, 
 *    this list of conditions and the following disclaimer in the documentation 
 *    and/or other materials provided with the distribution.  
 *  * Neither the name of the University of Freiburg nor the names
 *    of its contributors may be used to endorse or promote products derived from
 *    this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "rxparamedit/xmlRpcItemDelegate.h"
#include <stdio.h>
#include <limits.h>
#include <math.h>
#include <QSpinBox>
#include <QDoubleSpinBox>
#include <QLineEdit>

XmlRpcItemDelegate::XmlRpcItemDelegate(QObject* parent) : QStyledItemDelegate(parent)
{
   doubleDecimals = 10;
}

XmlRpcItemDelegate::~XmlRpcItemDelegate()
{
}

QWidget* XmlRpcItemDelegate::createEditor(QWidget* parent, const QStyleOptionViewItem & option, 
      const QModelIndex & index) const
{
   // based on the index figure out which data type we are editing:
   QVariant data = index.model()->data(index, Qt::EditRole);
   switch(data.type()) {
      case QVariant::Double:  // bring up double spinbox with higher decimals
         {
            QDoubleSpinBox* editor = new QDoubleSpinBox(parent);
            editor->setDecimals(doubleDecimals);
            editor->setMinimum(-INFINITY);
            editor->setMaximum(INFINITY);
            return editor;
            break;
         }
      case QVariant::Int:     // bring up spinbox (done by default)
      case QVariant::String:  // use std line edit, but fill it (done by default)
      default:
         return QStyledItemDelegate::createEditor(parent, option, index);
   }

   return QStyledItemDelegate::createEditor(parent, option, index);
}

void XmlRpcItemDelegate::setEditorData(QWidget* editor, const QModelIndex & index) const
{
   QStyledItemDelegate::setEditorData(editor, index);
}

void XmlRpcItemDelegate::setModelData(QWidget* editor, QAbstractItemModel* model, const QModelIndex & index) const
{
   QStyledItemDelegate::setModelData(editor, model, index);
}

void XmlRpcItemDelegate::updateEditorGeometry(QWidget* editor, const QStyleOptionViewItem & option,
      const QModelIndex & index) const
{
   QStyledItemDelegate::updateEditorGeometry(editor, option, index); 
}

QString XmlRpcItemDelegate::displayText(const QVariant & value, const QLocale & locale) const
{
   if(value.type() == QVariant::Double) {
      return locale.toString(value.toDouble(), 'g', doubleDecimals);
   } else {
      return QStyledItemDelegate::displayText(value, locale);
   }
}