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QmlDesigner: Prepare for dropping items from item library to navigator

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Change-Id: I7de6ffc61ae04e25df93e355f820205732867af6
Reviewed-by: Tim Jenssen <tim.jenssen@digia.com>
This commit is contained in:
Marco Bubke
2014-05-07 13:32:46 +02:00
parent e9aaf21517
commit a67897d481
2 changed files with 61 additions and 29 deletions
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86
src/plugins/qmldesigner/components/navigator/navigatortreemodel.cpp
View File

@@ -48,6 +48,8 @@
#include <QApplication>
#include <QPointF>
#include <QtDebug>
namespace QmlDesigner {
static PropertyNameList visibleProperties(const ModelNode &node)
@@ -117,13 +119,16 @@ NavigatorTreeModel::~NavigatorTreeModel()
Qt::DropActions NavigatorTreeModel::supportedDropActions() const
{
return Qt::LinkAction;
return Qt::LinkAction | Qt::MoveAction;
}
QStringList NavigatorTreeModel::mimeTypes() const
{
QStringList types;
types.append("application/vnd.modelnode.list");
types.append("application/vnd.bauhaus.itemlibraryinfo");
types.append("application/vnd.bauhaus.libraryresource");
return types;
}
@@ -213,38 +218,25 @@ static bool computeTarget(const QModelIndex &rowModelIndex,
return true;
}
bool NavigatorTreeModel::dropMimeData(const QMimeData *mimeData,
Qt::DropAction action,
int rowNumber,
int columnNumber,
const QModelIndex &dropModelIndex)
Qt::DropAction action,
int rowNumber,
int columnNumber,
const QModelIndex &dropModelIndex)
{
if (action == Qt::IgnoreAction)
return true;
if (action != Qt::LinkAction)
return false;
if (!mimeData->hasFormat("application/vnd.modelnode.list"))
return false;
if (columnNumber > 1)
return false;
if (dropModelIndex.model() != this)
return false;
QModelIndex rowModelIndex = dropModelIndex.sibling(dropModelIndex.row(), 0);
int targetRowNumber = rowNumber;
NodeAbstractProperty targetProperty;
bool foundTarget = computeTarget(rowModelIndex, this, &targetProperty, &targetRowNumber);
if (foundTarget) {
QList<ModelNode> modelNodeList = modelNodesFromMimeData(mimeData, m_view);
if (fitsToTargetProperty(targetProperty, modelNodeList))
moveNodesInteractive(targetProperty, modelNodeList, targetRowNumber);
if (dropModelIndex.model() == this) {
if (mimeData->hasFormat("application/vnd.bauhaus.itemlibraryinfo")) {
handleItemLibraryItemDrop(mimeData, rowNumber, dropModelIndex);
} else if (mimeData->hasFormat("application/vnd.bauhaus.libraryresource")) {
handleItemLibraryImageDrop(mimeData, rowNumber, dropModelIndex);
} else if (mimeData->hasFormat("application/vnd.modelnode.list")) {
handleInternalDrop(mimeData, rowNumber, dropModelIndex);
}
}
return false; // don't let the view do drag&drop on its own
@@ -675,6 +667,44 @@ void NavigatorTreeModel::moveNodesInteractive(NodeAbstractProperty &parentProper
}
}
void NavigatorTreeModel::handleInternalDrop(const QMimeData *mimeData,
int rowNumber,
const QModelIndex &dropModelIndex)
{
QModelIndex rowModelIndex = dropModelIndex.sibling(dropModelIndex.row(), 0);
int targetRowNumber = rowNumber;
NodeAbstractProperty targetProperty;
bool foundTarget = computeTarget(rowModelIndex, this, &targetProperty, &targetRowNumber);
if (foundTarget) {
QList<ModelNode> modelNodeList = modelNodesFromMimeData(mimeData, m_view);
if (fitsToTargetProperty(targetProperty, modelNodeList))
moveNodesInteractive(targetProperty, modelNodeList, targetRowNumber);
}
}
static ItemLibraryEntry itemLibraryEntryFromData(const QByteArray &data)
{
QDataStream stream(data);
ItemLibraryEntry itemLibraryEntry;
stream >> itemLibraryEntry;
return itemLibraryEntry;
}
void NavigatorTreeModel::handleItemLibraryItemDrop(const QMimeData *mimeData, int rowNumber, const QModelIndex &dropModelIndex)
{
}
void NavigatorTreeModel::handleItemLibraryImageDrop(const QMimeData *mimeData, int rowNumber, const QModelIndex &dropModelIndex)
{
}
// along the lines of QObject::blockSignals
bool NavigatorTreeModel::blockItemChangedSignal(bool block)
{

4
src/plugins/qmldesigner/components/navigator/navigatortreemodel.h
View File

@@ -133,7 +133,9 @@ private:
void handleChangedVisibilityItem(QStandardItem *visibilityItem, ModelNode &modelNode);
void moveNodesInteractive(NodeAbstractProperty &parentProperty, const QList<ModelNode> &modelNodes, int targetIndex);
void handleInternalDrop(const QMimeData *mimeData, int rowNumber, const QModelIndex &dropModelIndex);
void handleItemLibraryItemDrop(const QMimeData *mimeData, int rowNumber, const QModelIndex &dropModelIndex);
void handleItemLibraryImageDrop(const QMimeData *mimeData, int rowNumber, const QModelIndex &dropModelIndex);
private:
QHash<ModelNode, ItemRow> m_nodeItemHash;