From 5d22e3cbdd251819a4d2d07b9a12994d5aef778d Mon Sep 17 00:00:00 2001
From: Frank Gevaerts <frank@gevaerts.be>
Date: Fri, 29 Aug 2008 21:08:38 +0000
Subject: Add wpseditor, the Google Summer of Code 2008 project of Rostislav
 Chekan. Closes FS#9327

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18362 a1c6a512-1295-4272-9138-f99709370657
---
 .../gui/src/QPropertyEditor/QVariantDelegate.cpp   | 105 +++++++++++++++++++++
 1 file changed, 105 insertions(+)
 create mode 100644 utils/wpseditor/gui/src/QPropertyEditor/QVariantDelegate.cpp

(limited to 'utils/wpseditor/gui/src/QPropertyEditor/QVariantDelegate.cpp')

diff --git a/utils/wpseditor/gui/src/QPropertyEditor/QVariantDelegate.cpp b/utils/wpseditor/gui/src/QPropertyEditor/QVariantDelegate.cpp
new file mode 100644
index 0000000..ebda9b2
--- /dev/null
+++ b/utils/wpseditor/gui/src/QPropertyEditor/QVariantDelegate.cpp
@@ -0,0 +1,105 @@
+// *************************************************************************************************
+//
+// QPropertyEditor v 0.1
+//
+// --------------------------------------
+// Copyright (C) 2007 Volker Wiendl
+//
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or 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
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+//
+// *************************************************************************************************
+
+#include "QVariantDelegate.h"
+
+#include "Property.h"
+
+#include <Qt/qabstractitemview.h>
+
+
+QVariantDelegate::QVariantDelegate(QObject* parent) : QItemDelegate(parent) {}
+
+
+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) 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 {
+    QVariant data = index.model()->data(index, Qt::EditRole);
+    switch (data.type()) {
+    case QVariant::Color:
+    case QMetaType::Double:
+    case QMetaType::Float:
+    case QVariant::UserType:
+        if (static_cast<Property*>(index.internalPointer())->setEditorData(editor, data)) // if editor couldn't be recognized use default
+            break;
+    default:
+        QItemDelegate::setEditorData(editor, index);
+        break;
+    }
+}
+
+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: {
+            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()) {
+        // 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();
+        }
+    }
+}
-- 
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