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141 david 1 
/*============================================================================
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**
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**  Project/Product :
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**  Filename        : spinboxdelegate.h
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**  Author(s)       : DDP
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**
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**  Description     : A delgated widget to assist in the editing of time items
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**                    within a table
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**
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**
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***==========================================================================*/
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#include <QtGui>
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#include "spinboxdelegate.h"
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/*----------------------------------------------------------------------------
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** FUNCTION           : SpinBoxDelegate
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**
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** DESCRIPTION        : Construct a new object
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**
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**                      A delegate that allows the user to change integer
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**                      values from the model using a date time widget.
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**
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** INPUTS             : minvalue
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**                      maxvalue
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**                      parent      - Parent object
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**
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** RETURNS            :
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**
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----------------------------------------------------------------------------*/
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SpinBoxDelegate::SpinBoxDelegate(int minvalue, int maxvalue, QObject *parent)
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    : QItemDelegate(parent)
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{
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    min_value = minvalue;
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    max_value = maxvalue;
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}
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/*----------------------------------------------------------------------------
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** FUNCTION           : createEditor
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**
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** DESCRIPTION        : Create an editor widget
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**
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**
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** INPUTS             : parent
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**                      option
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**                      index
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**
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** RETURNS            : A QSpinBox widget
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**
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----------------------------------------------------------------------------*/
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QWidget *SpinBoxDelegate::createEditor(QWidget *parent,
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    const QStyleOptionViewItem &/* option */,
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    const QModelIndex &/* index */) const
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{
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    QSpinBox *editor = new QSpinBox(parent);
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    editor->setMinimum(min_value);
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    editor->setMaximum(max_value);
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    return editor;
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}
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/*----------------------------------------------------------------------------
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** FUNCTION           : setEditorData
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**
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** DESCRIPTION        : Inserts model data into the editor widget
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**
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**
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** INPUTS             : editor      - Ref to editor widget
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**                      index       -
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**
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** RETURNS            :
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**
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----------------------------------------------------------------------------*/
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void SpinBoxDelegate::setEditorData(QWidget *editor,
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                                    const QModelIndex &index) const
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{
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    int value = index.model()->data(index, Qt::EditRole).toInt();
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    QSpinBox *spinBox = static_cast<QSpinBox*>(editor);
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    spinBox->setValue(value);
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}
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/*----------------------------------------------------------------------------
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** FUNCTION           : setModelData
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**
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** DESCRIPTION        : Extract data from the editor widget and update the model
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**
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**
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** INPUTS             : editor      - Target widget
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**                      model       - Current model
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**                      index       - Index into model
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**
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** RETURNS            :
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**
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----------------------------------------------------------------------------*/
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void SpinBoxDelegate::setModelData(QWidget *editor, QAbstractItemModel *model,
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                                   const QModelIndex &index) const
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{
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    QSpinBox *spinBox = static_cast<QSpinBox*>(editor);
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    spinBox->interpretText();
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    int value = spinBox->value();
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    model->setData(index, value, Qt::EditRole);
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}
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/*----------------------------------------------------------------------------
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** FUNCTION           : updateEditorGeometry
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**
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** DESCRIPTION        : Updates the geometry of the editor widget
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**
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**
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** INPUTS             : editor      - Target widget
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**                      option      -
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*                       index
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**
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** RETURNS            :
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**
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----------------------------------------------------------------------------*/
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void SpinBoxDelegate::updateEditorGeometry(QWidget *editor,
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    const QStyleOptionViewItem &option, const QModelIndex &/* index */) const
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{
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    editor->setGeometry(option.rect);
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}
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