From 7dd1cf4a073190e263782c716f43e4d684a47d75 Mon Sep 17 00:00:00 2001
From: Gennady Pospelov <g.pospelov@fz-juelich.de>
Date: Mon, 16 May 2016 16:16:52 +0200
Subject: [PATCH] First drag/drop attempts in FitParameterAbsModel
---
GUI/coregui/Models/FitParameterAbsModel.cpp | 71 +++++++++++++++++++
GUI/coregui/Models/FitParameterAbsModel.h | 31 ++++++--
.../Views/FitWidgets/FitParametersWidget.cpp | 5 +-
3 files changed, 102 insertions(+), 5 deletions(-)
diff --git a/GUI/coregui/Models/FitParameterAbsModel.cpp b/GUI/coregui/Models/FitParameterAbsModel.cpp
index 13474a29395..ba97395a788 100644
--- a/GUI/coregui/Models/FitParameterAbsModel.cpp
+++ b/GUI/coregui/Models/FitParameterAbsModel.cpp
@@ -20,8 +20,12 @@
#include "SessionModel.h"
#include "JobModel.h"
#include <QColor>
+#include <QMimeData>
#include <QDebug>
+const QString FitParameterAbsModel::MIME_TYPE = "application/org.bornagainproject.fittinglink";
+
+
FitParameterAbsModel::FitParameterAbsModel(FitParameterContainerItem *fitParContainer, QObject *parent)
: QAbstractItemModel(parent)
, m_root_item(fitParContainer)
@@ -50,7 +54,15 @@ Qt::ItemFlags FitParameterAbsModel::flags(const QModelIndex &index) const
if(SessionItem *item = itemForIndex(index)) {
// if(item->isEnabled()) returnVal |= Qt::ItemIsEnabled;
if(item->isEditable()) returnVal |= Qt::ItemIsEditable;
+ if(item->parent()->modelType() == Constants::FitParameterLinkType && index.column() == 0) {
+ returnVal |= Qt::ItemIsDragEnabled;
+ }
+ if(item->modelType() == Constants::FitParameterType) {
+ returnVal |= Qt::ItemIsDropEnabled;
+ }
+
}
+
return returnVal;
// Qt::ItemFlags returnVal = Qt::ItemIsEnabled | Qt::ItemIsSelectable;
@@ -196,6 +208,65 @@ bool FitParameterAbsModel::setData(const QModelIndex &index, const QVariant &val
return false;
}
+QStringList FitParameterAbsModel::mimeTypes() const
+{
+ QStringList types;
+ types << FitParameterAbsModel::MIME_TYPE;
+ return types;
+}
+
+QMimeData *FitParameterAbsModel::mimeData(const QModelIndexList &indexes) const
+{
+ qDebug() << "FitParameterAbsModel::mimeData" << indexes;
+ QMimeData *mimeData = new QMimeData();
+ QModelIndex index = indexes.first();
+ if (index.isValid()) {
+ if(SessionItem *item = itemForIndex(index)) {
+ QString path = item->value().toString();
+ mimeData->setData(MIME_TYPE, path.toLatin1());
+ qDebug() << " FitParameterAbsModel::mimeData" << path;
+
+ }
+// QString path = getPathFromIndex(index);
+// path = path.append("#%1").arg(itemFromIndex(index.sibling(index.row(), 1))
+// ->data(Qt::EditRole).toDouble());
+ }
+ return mimeData;
+}
+
+bool FitParameterAbsModel::canDropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent) const
+{
+ Q_UNUSED(action);
+ Q_UNUSED(row);
+ Q_UNUSED(parent);
+// if (column > 0)
+// return false;
+ QString link = QString::fromLatin1(data->data(MIME_TYPE)).split("#")[0];
+ qDebug() << "FitParameterAbsModel::canDropMimeData" << "row:" << row << "column:" << column << "parent:" << parent << link;
+
+ if(parent.isValid()) {
+
+ qDebug() << "!!! true";
+ return true;
+
+ }
+ return false;
+// QString link = QString::fromLatin1(data->data(ObsoleteFitParameterWidget::MIME_TYPE)).split("#")[0];
+// QModelIndex cur = itemForLink(link);
+// return !cur.isValid();
+
+}
+
+bool FitParameterAbsModel::dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent)
+{
+// if (action == Qt::IgnoreAction) return true;
+// if (column > 0) return true;
+
+ qDebug() << "FitParameterAbsModel::dropMimeData row:" << row << "column:" << column << "parent:" << parent << "mime:" << QString::fromLatin1(data->data(MIME_TYPE));
+
+ return true;
+}
+
QVariant FitParameterAbsModel::headerData(int section, Qt::Orientation orientation, int role) const
{
if (role == Qt::DisplayRole && orientation == Qt::Horizontal) {
diff --git a/GUI/coregui/Models/FitParameterAbsModel.h b/GUI/coregui/Models/FitParameterAbsModel.h
index b0259c9d884..e787e10c9e3 100644
--- a/GUI/coregui/Models/FitParameterAbsModel.h
+++ b/GUI/coregui/Models/FitParameterAbsModel.h
@@ -32,20 +32,33 @@ class BA_CORE_API_ FitParameterAbsModel : public QAbstractItemModel
Q_OBJECT
public:
+ static const QString MIME_TYPE;
+
explicit FitParameterAbsModel(FitParameterContainerItem *fitParContainer, QObject *parent = 0);
enum EColumn {PAR_NAME, PAR_TYPE, PAR_VALUE, PAR_MIN, PAR_MAX, MAX_COLUMNS}; // NEW column usage
Qt::ItemFlags flags(const QModelIndex & index) const Q_DECL_OVERRIDE;
- virtual QModelIndex index(int row, int column, const QModelIndex &parent) const;
- virtual QModelIndex parent(const QModelIndex &child) const;
- virtual int rowCount(const QModelIndex &parent) const;
- virtual int columnCount(const QModelIndex &parent) const;
+ QModelIndex index(int row, int column, const QModelIndex &parent) const;
+ QModelIndex parent(const QModelIndex &child) const;
+ int rowCount(const QModelIndex &parent) const;
+ int columnCount(const QModelIndex &parent) const;
QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const Q_DECL_OVERRIDE;
bool setData(const QModelIndex &index, const QVariant &value, int role) Q_DECL_OVERRIDE;
+
+ QStringList mimeTypes() const Q_DECL_OVERRIDE;
+// Qt::DropActions supportedDragActions() const;
+// Qt::DropActions supportedDropActions() const;
+ QMimeData *mimeData(const QModelIndexList &indexes) const;
+ bool canDropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column,
+ const QModelIndex &parent) const Q_DECL_OVERRIDE;
+ bool dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent) Q_DECL_OVERRIDE;
+
+
QVariant headerData(int section, Qt::Orientation orientation, int role) const Q_DECL_OVERRIDE;
+
QModelIndex indexOfItem(SessionItem *item) const;
SessionItem *itemForIndex(const QModelIndex &index) const;
@@ -62,5 +75,15 @@ private:
QMap<int, QString> m_columnNames;
};
+//inline Qt::DropActions FitParameterAbsModel::supportedDragActions() const
+//{
+// return Qt::MoveAction;
+//}
+
+//inline Qt::DropActions FitParameterAbsModel::supportedDropActions() const
+//{
+// return Qt::MoveAction;
+//}
+
#endif
diff --git a/GUI/coregui/Views/FitWidgets/FitParametersWidget.cpp b/GUI/coregui/Views/FitWidgets/FitParametersWidget.cpp
index e047f6f0919..3778d2a20a8 100644
--- a/GUI/coregui/Views/FitWidgets/FitParametersWidget.cpp
+++ b/GUI/coregui/Views/FitWidgets/FitParametersWidget.cpp
@@ -53,13 +53,16 @@ FitParametersWidget::FitParametersWidget(QWidget *parent)
setLayout(layout);
init_actions();
- m_treeView->setSelectionMode(QAbstractItemView::ExtendedSelection);
+// m_treeView->setSelectionMode(QAbstractItemView::SingleSelection);
m_treeView->setSelectionBehavior(QAbstractItemView::SelectRows);
m_treeView->setContextMenuPolicy(Qt::CustomContextMenu);
m_treeView->setItemDelegate(m_delegate);
connect(m_treeView, SIGNAL(customContextMenuRequested(const QPoint &)),
this, SLOT(onFitParameterTreeContextMenu(const QPoint &)));
+ m_treeView->setDragEnabled(true);
+ m_treeView->setDragDropMode(QAbstractItemView::DragDrop);
+
m_treeView->installEventFilter(m_keyboardFilter);
}
--
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