Jaye Evins
6c10571ba4
QTableWidget was a major bottleneck for large merge sources (#217). This is because a QTableWidgetItem needed to be created for every field in every record of the merge data, whether they are being displayed or not. This was not a problem for small merge sources (only a few dozen records max), however for larger data sets this would severely affect performance and make the application unresponsive. QTableView only renders the fields and records currently visible.
104 lines
2.2 KiB
C++
104 lines
2.2 KiB
C++
/* MergeView.h
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*
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* Copyright (C) 2016 Jaye Evins <evins@snaught.com>
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*
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* This file is part of gLabels-qt.
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*
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* gLabels-qt is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* gLabels-qt is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with gLabels-qt. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef MergeView_h
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#define MergeView_h
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#include "ui_MergeView.h"
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#include "model/Model.h"
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#include "merge/Merge.h"
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namespace glabels
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{
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// Forward references
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class UndoRedoModel;
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///
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/// merge::Merge Property Editor Widget
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///
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class MergeView : public QWidget, public Ui_MergeView
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{
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Q_OBJECT
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/////////////////////////////////
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// Life Cycle
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/////////////////////////////////
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public:
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MergeView( QWidget *parent = nullptr );
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virtual ~MergeView() = default;
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/////////////////////////////////
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// Public methods
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/////////////////////////////////
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void setModel( model::Model* model, UndoRedoModel* undoRedoModel );
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/////////////////////////////////
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// Slots
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/////////////////////////////////
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private slots:
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void onMergeChanged();
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void onMergeSourceChanged();
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void onFormatComboActivated();
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void onLocationBrowseButtonClicked();
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void onSelectAllButtonClicked();
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void onUnselectAllButtonClicked();
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void onReloadButtonClicked();
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/////////////////////////////////
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// Private methods
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/////////////////////////////////
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private:
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static QString printableTextForView( QString text );
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/////////////////////////////////
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// Private Data
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/////////////////////////////////
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private:
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QStringList mMergeFormatNames;
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model::Model* mModel;
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UndoRedoModel* mUndoRedoModel;
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QStringList mKeys;
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QString mPrimaryKey;
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QString mCwd;
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int mOldFormatComboIndex;
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};
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}
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#endif // MergeView_h
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