// *************************************************************************************************
//
// QPropertyEditor v 0.3
//
// --------------------------------------
// Copyright (C) 2007 Volker Wiendl
// Acknowledgements to Roman alias banal from qt-apps.org for the Enum enhancement
//
//
// The QPropertyEditor Library 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 version 3 of the License
//
// The Horde3D Scene Editor 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/>.
//
// *************************************************************************************************
#ifndef COLORSELECTIONBUTTON_H_
#define COLORSELECTIONBUTTON_H_
#include <QtGui/QItemDelegate>
class QSignalMapper;
/**
* This class is used to create the editor widgets for datatypes encapsulated in QVariant variables
*/
class QVariantDelegate : public QItemDelegate
{
Q_OBJECT
public:
/**
* Constructor
* @param parent optional parent object
*/
QVariantDelegate(QObject* parent = 0);
/// Destructor
virtual ~QVariantDelegate();
/**
* Creates an editor widget as child of a given widget for a specific QModelIndex
*
* @param parent the parent widget for the editor
* @param option some style options that the editor should use
* @param index the index of the item the editor will be created for
*
@return QWidget the editor widget
*/
QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const;
/**
* Tries to set the editor data based on the value stored at a specific QModelIndex
* @param editor the editor widget
* @param index the model index of the value that should be used in the editor
*/
virtual void setEditorData(QWidget *editor, const QModelIndex &index) const;
/**
* Sets the data of a specific QModelIndex to tha value of the editor widget
* @param editor the editor widget that contains the new value
* @param model the model that contains the index
* @param index the index within the model whose data value should be set to the data value of the editor
*/
virtual void setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const;
/// QItemDelegate implementation
virtual void updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex &index) const;
private:
void parseEditorHints(QWidget* editor, const QString& editorHints) const;
QSignalMapper* m_finishedMapper;
};
#endif
// *************************************************************************************************
//
// QPropertyEditor v 0.3
//
// --------------------------------------
// Copyright (C) 2007 Volker Wiendl
// Acknowledgements to Roman alias banal from qt-apps.org for the Enum enhancement
//
//
// The QPropertyEditor Library 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 version 3 of the License
//
// The Horde3D Scene Editor 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 "QVariantDelegate.h"
#include "Property.h"
#include <QtGui/QAbstractItemView>
#include <QtCore/QSignalMapper>
QVariantDelegate::QVariantDelegate(QObject* parent) : QItemDelegate(parent)
{
m_finishedMapper = new QSignalMapper(this);
connect(m_finishedMapper, SIGNAL(mapped(QWidget*)), this, SIGNAL(commitData(QWidget*)));
connect(m_finishedMapper, SIGNAL(mapped(QWidget*)), this, SIGNAL(closeEditor(QWidget*)));
}
QVariantDelegate::~QVariantDelegate()
{
}
QWidget *QVariantDelegate::createEditor(QWidget *parent, const QStyleOptionViewItem& option , const QModelIndex & index ) const
{
QWidget* editor = 0;
Property* p = static_cast<Property*>(index.internalPointer());
switch(p->value().type())
{
case QVariant::Color:
case QVariant::Int:
case QMetaType::Float:
case QVariant::Double:
case QVariant::UserType:
editor = p->createEditor(parent, option);
if (editor)
{
if (editor->metaObject()->indexOfSignal("editFinished()") != -1)
{
connect(editor, SIGNAL(editFinished()), m_finishedMapper, SLOT(map()));
m_finishedMapper->setMapping(editor, editor);
}
break; // if no editor could be created take default case
}
default:
editor = QItemDelegate::createEditor(parent, option, index);
}
parseEditorHints(editor, p->editorHints());
return editor;
}
void QVariantDelegate::setEditorData(QWidget *editor, const QModelIndex &index) const
{
m_finishedMapper->blockSignals(true);
QVariant data = index.model()->data(index, Qt::EditRole);
switch(data.type())
{
case QVariant::Color:
case QMetaType::Double:
case QMetaType::Float:
case QVariant::UserType:
case QVariant::Int:
if (static_cast<Property*>(index.internalPointer())->setEditorData(editor, data)) // if editor couldn't be recognized use default
break;
default:
QItemDelegate::setEditorData(editor, index);
break;
}
m_finishedMapper->blockSignals(false);
}
void QVariantDelegate::setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const
{
QVariant data = index.model()->data(index, Qt::EditRole);
switch(data.type())
{
case QVariant::Color:
case QMetaType::Double:
case QMetaType::Float:
case QVariant::UserType:
case QVariant::Int:
{
QVariant data = static_cast<Property*>(index.internalPointer())->editorData(editor);
if (data.isValid())
{
model->setData(index, data , Qt::EditRole);
break;
}
}
default:
QItemDelegate::setModelData(editor, model, index);
break;
}
}
void QVariantDelegate::updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex& index ) const
{
return QItemDelegate::updateEditorGeometry(editor, option, index);
}
void QVariantDelegate::parseEditorHints(QWidget* editor, const QString& editorHints) const
{
if (editor && !editorHints.isEmpty())
{
editor->blockSignals(true);
// Parse for property values
QRegExp rx("(.*)(=\\s*)(.*)(;{1})");
rx.setMinimal(true);
int pos = 0;
while ((pos = rx.indexIn(editorHints, pos)) != -1)
{
//qDebug("Setting %s to %s", qPrintable(rx.cap(1)), qPrintable(rx.cap(3)));
editor->setProperty(qPrintable(rx.cap(1).trimmed()), rx.cap(3).trimmed());
pos += rx.matchedLength();
}
editor->blockSignals(false);
}
}
