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Revert "Editor/LayersEditor: Simplify moveRows implementation"

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Phillip Stephens 2019-08-26 18:31:18 -07:00 committed by GitHub
parent 80da83eb16
commit 4fdb2bde8c
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 20 additions and 23 deletions
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43
Editor/LayersEditor.cpp
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@ -1,13 +1,8 @@
#include "LayersEditor.hpp" #include "LayersEditor.hpp"
#include <algorithm>
#include <QMimeData>
#include <QScrollBar>
#include <QVBoxLayout>
#include "MainWindow.hpp" #include "MainWindow.hpp"
#include <QVBoxLayout>
#include <QScrollBar>
#include <QMimeData>
class LayerDataChangeUndoCommand : public EditorUndoCommand { class LayerDataChangeUndoCommand : public EditorUndoCommand {
QModelIndex m_index; QModelIndex m_index;
@ -451,27 +446,29 @@ bool LayersModel::insertRows(int row, int count, const QModelIndex& parent) {
bool LayersModel::moveRows(const QModelIndex& sourceParent, int sourceRow, int count, bool LayersModel::moveRows(const QModelIndex& sourceParent, int sourceRow, int count,
const QModelIndex& destinationParent, int destinationChild) { const QModelIndex& destinationParent, int destinationChild) {
if (!m_node) { if (!m_node)
return false; return false;
} bool moving = beginMoveRows(sourceParent, sourceRow, sourceRow + count - 1, destinationParent, destinationChild);
const bool moving =
beginMoveRows(sourceParent, sourceRow, sourceRow + count - 1, destinationParent, destinationChild);
std::vector<amuse::LayerMapping>& layers = *m_node->m_obj; std::vector<amuse::LayerMapping>& layers = *m_node->m_obj;
const auto pivot = std::make_move_iterator(layers.begin() + sourceRow);
const auto begin = std::make_move_iterator(layers.begin() + destinationChild);
const auto end = pivot + count;
if (destinationChild < sourceRow) { if (destinationChild < sourceRow) {
std::rotate(begin, pivot, end); for (int i = 0; i < count; ++i) {
amuse::LayerMapping tmp = std::move(layers[sourceRow]);
for (int j = sourceRow; j != destinationChild; --j)
layers[j] = std::move(layers[j - 1]);
layers[destinationChild] = std::move(tmp);
++sourceRow;
++destinationChild;
}
} else if (destinationChild > sourceRow) { } else if (destinationChild > sourceRow) {
std::rotate(pivot, end, begin); for (int i = 0; i < count; ++i) {
amuse::LayerMapping tmp = std::move(layers[sourceRow]);
for (int j = sourceRow; j != destinationChild - 1; ++j)
layers[j] = std::move(layers[j + 1]);
layers[destinationChild - 1] = std::move(tmp);
} }
}
if (moving) { if (moving)
endMoveRows(); endMoveRows();
}
return true; return true;
} }