/
terrainmodel.cpp
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/
terrainmodel.cpp
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/*
* terrainmodel.cpp
* Copyright 2008-2012, Thorbjørn Lindeijer <thorbjorn@lindeijer.nl>
* Copyright 2009, Edward Hutchins <eah1@yahoo.com>
* Copyright 2012, Manu Evans <turkeyman@gmail.com>
*
* This file is part of Tiled.
*
* This program 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; either version 2 of the License, or (at your option)
* any later version.
*
* This program 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 "terrainmodel.h"
#include "containerhelpers.h"
#include "mapdocument.h"
#include "map.h"
#include "renameterrain.h"
#include "terrain.h"
#include "tile.h"
#include "tilesetdocument.h"
#include "tilesetdocumentsmodel.h"
#include "tileset.h"
#include "tilesetterrainmodel.h"
#include <QApplication>
#include <QFont>
#include <QPalette>
using namespace Tiled;
using namespace Tiled::Internal;
TerrainModel::TerrainModel(QAbstractItemModel *tilesetDocumentsModel,
QObject *parent):
QAbstractItemModel(parent),
mTilesetDocumentsModel(tilesetDocumentsModel)
{
connect(mTilesetDocumentsModel, &QAbstractItemModel::rowsInserted,
this, &TerrainModel::onTilesetRowsInserted);
connect(mTilesetDocumentsModel, &QAbstractItemModel::rowsAboutToBeRemoved,
this, &TerrainModel::onTilesetRowsAboutToBeRemoved);
connect(mTilesetDocumentsModel, &QAbstractItemModel::rowsMoved,
this, &TerrainModel::onTilesetRowsMoved);
connect(mTilesetDocumentsModel, &QAbstractItemModel::layoutChanged,
this, &TerrainModel::onTilesetLayoutChanged);
connect(mTilesetDocumentsModel, &QAbstractItemModel::dataChanged,
this, &TerrainModel::onTilesetDataChanged);
}
TerrainModel::~TerrainModel()
{
}
QModelIndex TerrainModel::index(int row, int column, const QModelIndex &parent) const
{
if (!hasIndex(row, column, parent))
return QModelIndex();
if (!parent.isValid())
return createIndex(row, column);
else if (Tileset *tileset = tilesetAt(parent))
return createIndex(row, column, tileset);
return QModelIndex();
}
QModelIndex TerrainModel::index(Tileset *tileset) const
{
for (int row = 0; row < mTilesetDocuments.size(); ++row)
if (mTilesetDocuments.at(row)->tileset() == tileset)
return createIndex(row, 0);
return QModelIndex();
}
QModelIndex TerrainModel::index(Terrain *terrain) const
{
Tileset *tileset = terrain->tileset();
int row = tileset->terrains().indexOf(terrain);
return createIndex(row, 0, tileset);
}
QModelIndex TerrainModel::parent(const QModelIndex &child) const
{
if (Terrain *terrain = terrainAt(child))
return index(terrain->tileset());
return QModelIndex();
}
int TerrainModel::rowCount(const QModelIndex &parent) const
{
if (!parent.isValid())
return mTilesetDocuments.size();
else if (Tileset *tileset = tilesetAt(parent))
return tileset->terrainCount();
return 0;
}
int TerrainModel::columnCount(const QModelIndex &parent) const
{
Q_UNUSED(parent);
return 1;
}
QVariant TerrainModel::data(const QModelIndex &index, int role) const
{
if (Terrain *terrain = terrainAt(index)) {
switch (role) {
case Qt::DisplayRole:
case Qt::EditRole:
return terrain->name();
case Qt::DecorationRole:
if (Tile *imageTile = terrain->imageTile())
return imageTile->image();
break;
case TerrainRole:
return QVariant::fromValue(terrain);
}
} else if (Tileset *tileset = tilesetAt(index)) {
switch (role) {
case Qt::DisplayRole:
return tileset->name();
case Qt::SizeHintRole:
return QSize(1, 32);
case Qt::FontRole: {
QFont font = QApplication::font();
font.setBold(true);
return font;
}
case Qt::BackgroundRole: {
QColor bg = QApplication::palette().alternateBase().color();
return bg;//.darker(103);
}
}
}
return QVariant();
}
Qt::ItemFlags TerrainModel::flags(const QModelIndex &index) const
{
Qt::ItemFlags defaultFlags = QAbstractItemModel::flags(index);
// Don't allow selecting the tileset headers in the Terrains view
if (tilesetAt(index))
defaultFlags &= ~Qt::ItemIsSelectable;
return defaultFlags;
}
Tileset *TerrainModel::tilesetAt(const QModelIndex &index) const
{
if (!index.isValid())
return nullptr;
if (index.parent().isValid()) // tilesets don't have parents
return nullptr;
if (index.row() >= mTilesetDocuments.size())
return nullptr;
return mTilesetDocuments.at(index.row())->tileset().data();
}
Terrain *TerrainModel::terrainAt(const QModelIndex &index) const
{
if (!index.isValid())
return nullptr;
if (Tileset *tileset = static_cast<Tileset*>(index.internalPointer()))
return tileset->terrain(index.row());
return nullptr;
}
void TerrainModel::onTilesetRowsInserted(const QModelIndex &parent, int first, int last)
{
beginInsertRows(QModelIndex(), first, last);
for (int row = first; row <= last; ++row) {
const QModelIndex index = mTilesetDocumentsModel->index(row, 0, parent);
const QVariant var = mTilesetDocumentsModel->data(index, TilesetDocumentsModel::TilesetDocumentRole);
TilesetDocument *tilesetDocument = var.value<TilesetDocument*>();
mTilesetDocuments.insert(row, tilesetDocument);
TilesetTerrainModel *tilesetTerrainModel = tilesetDocument->terrainModel();
connect(tilesetTerrainModel, &TilesetTerrainModel::terrainAboutToBeAdded,
this, &TerrainModel::onTerrainAboutToBeAdded);
connect(tilesetTerrainModel, &TilesetTerrainModel::terrainAdded,
this, &TerrainModel::onTerrainAdded);
connect(tilesetTerrainModel, &TilesetTerrainModel::terrainAboutToBeRemoved,
this, &TerrainModel::onTerrainAboutToBeRemoved);
connect(tilesetTerrainModel, &TilesetTerrainModel::terrainRemoved,
this, &TerrainModel::onTerrainRemoved);
connect(tilesetTerrainModel, &TilesetTerrainModel::terrainAboutToBeSwapped,
this, &TerrainModel::onTerrainAboutToBeSwapped);
connect(tilesetTerrainModel, &TilesetTerrainModel::terrainSwapped,
this, &TerrainModel::onTerrainSwapped);
}
endInsertRows();
}
void TerrainModel::onTilesetRowsAboutToBeRemoved(const QModelIndex &parent, int first, int last)
{
Q_UNUSED(parent)
beginRemoveRows(QModelIndex(), first, last);
for (int index = last; index >= first; --index) {
TilesetDocument *tilesetDocument = mTilesetDocuments.takeAt(index);
tilesetDocument->terrainModel()->disconnect(this);
}
endRemoveRows();
}
void TerrainModel::onTilesetRowsMoved(const QModelIndex &parent, int start, int end, const QModelIndex &destination, int row)
{
Q_UNUSED(parent)
Q_UNUSED(destination)
beginMoveRows(QModelIndex(), start, end, QModelIndex(), row);
if (start == row)
return;
while (start <= end) {
mTilesetDocuments.move(start, row);
if (row < start) {
++start;
++row;
} else {
--end;
}
}
endMoveRows();
}
void TerrainModel::onTilesetLayoutChanged(const QList<QPersistentModelIndex> &parents, QAbstractItemModel::LayoutChangeHint hint)
{
Q_UNUSED(parents)
Q_UNUSED(hint)
// Make sure the tileset documents are still in the right order
for (int i = 0, rows = mTilesetDocuments.size(); i < rows; ++i) {
const QModelIndex index = mTilesetDocumentsModel->index(i, 0);
const QVariant var = mTilesetDocumentsModel->data(index, TilesetDocumentsModel::TilesetDocumentRole);
TilesetDocument *tilesetDocument = var.value<TilesetDocument*>();
int currentIndex = mTilesetDocuments.indexOf(tilesetDocument);
if (currentIndex != i) {
Q_ASSERT(currentIndex > i);
onTilesetRowsMoved(QModelIndex(), currentIndex, currentIndex, QModelIndex(), i);
}
}
}
void TerrainModel::onTilesetDataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight)
{
emit dataChanged(index(topLeft.row(), topLeft.column()),
index(bottomRight.row(), bottomRight.column()));
}
void TerrainModel::onTerrainAboutToBeAdded(Tileset *tileset, int terrainId)
{
QModelIndex parent = index(tileset);
beginInsertRows(parent, terrainId, terrainId);
}
void TerrainModel::onTerrainAdded(Tileset *tileset)
{
endInsertRows();
// for the TerrainFilterModel
const QModelIndex index = TerrainModel::index(tileset);
emit dataChanged(index, index);
}
void TerrainModel::onTerrainAboutToBeRemoved(Terrain *terrain)
{
QModelIndex parent = index(terrain->tileset());
beginRemoveRows(parent, terrain->id(), terrain->id());
}
void TerrainModel::onTerrainRemoved(Terrain *terrain)
{
endRemoveRows();
// for the TerrainFilterModel
const QModelIndex index = TerrainModel::index(terrain->tileset());
emit dataChanged(index, index);
}
void TerrainModel::onTerrainAboutToBeSwapped(Tileset *tileset, int terrainId, int swapTerrainId)
{
QModelIndex parent = index(tileset);
beginMoveRows(parent, terrainId, terrainId, parent, swapTerrainId);
}
void TerrainModel::onTerrainSwapped()
{
endMoveRows();
}