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/*
* This file is part of smolbote. It's copyrighted by the contributors recorded
* in the version control history of the file, available from its original
* location: https://neueland.iserlohn-fortress.net/smolbote.hg
*
* SPDX-License-Identifier: GPL-3.0
*/
#include "bookmarkmodel.h"
#include "bookmarkitem.h"
BookmarkModel::BookmarkModel(QObject *parent)
: QAbstractItemModel(parent)
{
rootItem = new BookmarkItem({ "Title", "Address" }, BookmarkItem::Folder, nullptr);
}
BookmarkModel::~BookmarkModel()
{
delete rootItem;
}
QVariant BookmarkModel::headerData(int section, Qt::Orientation orientation, int role) const
{
if(orientation == Qt::Horizontal && role == Qt::DisplayRole)
return rootItem->data(section);
return QVariant();
}
QVariant BookmarkModel::data(const QModelIndex &index, int role) const
{
if(!index.isValid())
return QVariant();
if(role == Qt::DecorationRole && index.column() == 0)
return static_cast<BookmarkItem *>(index.internalPointer())->icon();
else if(role == Qt::ToolTipRole)
return static_cast<BookmarkItem *>(index.internalPointer())->tooltip();
else if(role != Qt::DisplayRole)
return QVariant();
return static_cast<BookmarkItem *>(index.internalPointer())->data(index.column());
}
QVariant BookmarkModel::data(const QModelIndex &index, int column, int role) const
{
if(!index.isValid())
return QVariant();
if(role == Qt::DisplayRole)
return static_cast<BookmarkItem *>(index.internalPointer())->data(column);
return QVariant();
}
bool BookmarkModel::setData(const QModelIndex &index, const QVariant &value, int role)
{
if(!index.isValid() || role != Qt::DisplayRole)
return false;
bool success = static_cast<BookmarkItem *>(index.internalPointer())->setData(static_cast<BookmarkItem::Fields>(index.column()), value);
if(success)
emit dataChanged(index, index, { role });
return success;
}
bool BookmarkModel::setData(const QModelIndex &index, const QVariant &value, BookmarkItem::Fields column, int role)
{
if(!index.isValid() || role != Qt::DisplayRole)
return false;
bool success = static_cast<BookmarkItem *>(index.internalPointer())->setData(column, value);
if(success)
emit dataChanged(index, index, { role });
return success;
}
Qt::ItemFlags BookmarkModel::flags(const QModelIndex &index) const
{
if(getItem(index)->type() == BookmarkItem::Folder)
return QAbstractItemModel::flags(index) | Qt::ItemIsDragEnabled | Qt::ItemIsDropEnabled;
else
return QAbstractItemModel::flags(index) | Qt::ItemIsDragEnabled;
}
bool BookmarkModel::isItemExpanded(const QModelIndex &index) const
{
if(!index.isValid())
return false;
return static_cast<BookmarkItem *>(index.internalPointer())->isExpanded();
}
int BookmarkModel::rowCount(const QModelIndex &index) const
{
if(index.column() > 0)
return 0;
return getItem(index)->childCount();
}
bool BookmarkModel::insertRows(int position, int rows, const QModelIndex &parent)
{
auto *parentItem = getItem(parent);
// if position is negative, or past the number of children in the item
if(position < 0 || position > parentItem->childCount())
return false;
beginInsertRows(parent, position, position + rows - 1);
for(int i = 0; i < rows; ++i) {
parentItem->insertChild(position + i, new BookmarkItem({}, BookmarkItem::Bookmark, parentItem));
}
endInsertRows();
return true;
}
bool BookmarkModel::removeRows(int position, int rows, const QModelIndex &parent)
{
auto *parentItem = getItem(parent);
beginRemoveRows(parent, position, position + rows - 1);
bool success = parentItem->removeChildAt(position, rows);
endRemoveRows();
return success;
}
bool BookmarkModel::moveRows(const QModelIndex &sourceParent, int sourceRow, int count, const QModelIndex &destinationParent, int destinationChild)
{
auto *sourceParentItem = getItem(sourceParent);
auto *destinationParentItem = getItem(destinationParent);
bool success = true;
beginMoveRows(sourceParent, sourceRow, sourceRow + count - 1, destinationParent, destinationChild);
for(int i = 0; i < count; ++i) {
auto *child = sourceParentItem->takeChild(sourceRow, destinationParentItem);
if(!destinationParentItem->insertChild(destinationChild, child)) {
success = false;
break;
}
}
endMoveRows();
return success;
}
int BookmarkModel::columnCount(const QModelIndex &index) const
{
return 2;
// if(!index.isValid())
// return rootItem->columnCount();
// else
// return static_cast<BookmarkItem *>(index.internalPointer())->columnCount();
}
Qt::DropActions BookmarkModel::supportedDropActions() const
{
return Qt::MoveAction;
}
QModelIndex BookmarkModel::index(int row, int column, const QModelIndex &parent) const
{
if(!this->hasIndex(row, column, parent))
return QModelIndex();
BookmarkItem *parentItem = getItem(parent);
BookmarkItem *childItem = parentItem->child(row);
if(childItem)
return createIndex(row, column, childItem);
else
return QModelIndex();
}
QModelIndex BookmarkModel::parent(const QModelIndex &index) const
{
if(!index.isValid())
return QModelIndex();
auto *childItem = static_cast<BookmarkItem *>(index.internalPointer());
auto *parentItem = childItem->parent();
if(parentItem == rootItem)
return QModelIndex();
return createIndex(parentItem->row(), 0, parentItem);
}
BookmarkItem *BookmarkModel::getItem(const QModelIndex &index) const
{
if(!index.isValid())
return rootItem;
else
return static_cast<BookmarkItem *>(index.internalPointer());
}
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