350 lines
8.6 KiB
C++
350 lines
8.6 KiB
C++
#pragma once
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#include <QStyledItemDelegate>
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__inline uint qHash( const QVariant & var )
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{
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if ( !var.isValid() /*|| var.isNull()*/ )
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//return -1;
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Q_ASSERT(0);
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switch ( var.type() )
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{
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case QVariant::Int:
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return qHash( var.toInt() );
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break;
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case QVariant::UInt:
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return qHash( var.toUInt() );
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break;
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case QVariant::Bool:
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return qHash( var.toUInt() );
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break;
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case QVariant::Double:
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return qHash( var.toUInt() );
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break;
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case QVariant::LongLong:
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return qHash( var.toLongLong() );
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break;
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case QVariant::ULongLong:
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return qHash( var.toULongLong() );
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break;
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case QVariant::String:
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return qHash( var.toString() );
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break;
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case QVariant::Char:
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return qHash( var.toChar() );
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break;
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case QVariant::StringList:
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return qHash( var.toString() );
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break;
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case QVariant::ByteArray:
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return qHash( var.toByteArray() );
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break;
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case QVariant::Date:
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case QVariant::Time:
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case QVariant::DateTime:
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case QVariant::Url:
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case QVariant::Locale:
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//case QVariant::RegExp:
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// return qHash( var.toString() );
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break;
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case QVariant::Map:
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case QVariant::List:
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case QVariant::BitArray:
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case QVariant::Size:
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case QVariant::SizeF:
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case QVariant::Rect:
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case QVariant::LineF:
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case QVariant::Line:
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case QVariant::RectF:
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case QVariant::Point:
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case QVariant::PointF:
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// not supported yet
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break;
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case QVariant::UserType:
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case QVariant::Invalid:
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default:
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return -1;
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}
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// could not generate a hash for the given variant
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return -1;
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}
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#include "../mischelpers_global.h"
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class MISCHELPERS_EXPORT QAbstractItemModelEx : public QAbstractItemModel
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{
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Q_OBJECT
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public:
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QAbstractItemModelEx(QObject *parent = 0) : QAbstractItemModel(parent) {}
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virtual ~QAbstractItemModelEx() {}
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bool IsColumnEnabled(int column)
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{
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return !m_ColumnsOff.contains(column);
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}
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void SetColumnEnabled(int column, bool set)
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{
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if (!set)
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m_ColumnsOff.insert(column);
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else
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m_ColumnsOff.remove(column);
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}
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protected:
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QSet<int> m_ColumnsOff;
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};
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class MISCHELPERS_EXPORT QTreeViewEx: public QTreeView
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{
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Q_OBJECT
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public:
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QTreeViewEx(QWidget *parent = 0) : QTreeView(parent)
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{
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setUniformRowHeights(true);
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m_ColumnReset = 1;
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header()->setContextMenuPolicy(Qt::CustomContextMenu);
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connect(header(), SIGNAL(customContextMenuRequested( const QPoint& )), this, SLOT(OnMenuRequested(const QPoint &)));
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m_pMenu = new QMenu(this);
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}
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void setColumnReset(int iMode)
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{
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m_ColumnReset = iMode;
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}
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void setColumnFixed(int column, bool fixed)
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{
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if (fixed)
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m_FixedColumns.insert(column);
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else
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m_FixedColumns.remove(column);
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}
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bool isColumnFixed(int column) const
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{
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return m_FixedColumns.contains(column);
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}
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QModelIndexList selectedRows() const
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{
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int Column = 0;
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QAbstractItemModel* pModel = model();
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for (int i = 0; i < pModel->columnCount(); i++)
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{
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if (!isColumnHidden(i))
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{
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Column = i;
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break;
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}
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}
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QModelIndexList IndexList;
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foreach(const QModelIndex& Index, selectedIndexes())
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{
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if (Index.column() == Column)
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IndexList.append(Index);
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}
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return IndexList;
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}
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template<class T>
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void StartUpdatingWidgets(T& OldMap, T& Map)
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{
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for(typename T::iterator I = Map.begin(); I != Map.end();)
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{
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if(I.value().first == NULL)
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I = Map.erase(I);
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else
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{
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OldMap.insert(I.key(), I.value());
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I++;
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}
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}
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}
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template<class T>
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void EndUpdatingWidgets(T& OldMap, T& Map)
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{
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for(typename T::iterator I = OldMap.begin(); I != OldMap.end(); I++)
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{
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Map.remove(I.key());
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if(I.value().second.isValid())
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setIndexWidget(I.value().second, NULL);
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}
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}
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bool restoreState(const QByteArray &state)
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{
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bool bRet = header()->restoreState(state);
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SyncColumnsWithModel();
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return bRet;
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}
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QByteArray saveState() const
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{
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return header()->saveState();
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}
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QAbstractItemModelEx* modelEx() const
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{
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QAbstractItemModelEx* pModel = qobject_cast<QAbstractItemModelEx*>(model());
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if (!pModel)
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{
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QSortFilterProxyModel* pProxyModel = qobject_cast<QSortFilterProxyModel*>(model());
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if(pProxyModel)
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pModel = qobject_cast<QAbstractItemModelEx*>(pProxyModel->sourceModel());
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}
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return pModel;
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}
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void SetColumnHidden(int column, bool hide, bool fixed = false)
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{
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if (!fixed && isColumnFixed(column))
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return; // can not change fixed columns
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setColumnHidden(column, hide);
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if(QAbstractItemModelEx* pModel = modelEx())
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pModel->SetColumnEnabled(column, !hide);
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if (fixed)
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setColumnFixed(column, true);
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emit ColumnChanged(column, !hide);
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}
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static QString m_ResetColumns;
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signals:
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void ColumnChanged(int column, bool visible);
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void ResetColumns();
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public slots:
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void SyncColumnsWithModel()
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{
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if(QAbstractItemModelEx* pModel = modelEx())
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{
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for (int i = 0; i < pModel->columnCount(); i++)
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pModel->SetColumnEnabled(i, !isColumnHidden(i));
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}
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}
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void OnResetColumns()
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{
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QAbstractItemModel* pModel = model();
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for (int i = 0; i < pModel->columnCount(); i++) {
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SetColumnHidden(i, false);
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QTreeView::resizeColumnToContents(i);
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}
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}
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private slots:
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void OnMenuRequested(const QPoint &point)
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{
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QAbstractItemModel* pModel = model();
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if(m_pMenu->actions().isEmpty())
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{
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for(int i=0; i < pModel->columnCount(); i++)
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{
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QString Label = pModel->headerData(i, Qt::Horizontal, Qt::DisplayRole).toString();
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if(Label.isEmpty() || m_FixedColumns.contains(i))
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continue;
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QAction* pAction = new QAction(Label, m_pMenu);
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pAction->setCheckable(true);
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pAction->setChecked(!isColumnHidden(i));
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connect(pAction, SIGNAL(triggered()), this, SLOT(OnMenu()));
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m_pMenu->addAction(pAction);
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m_Columns[pAction] = i;
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}
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if (m_ColumnReset)
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{
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m_pMenu->addSeparator();
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QAction* pAction = m_pMenu->addAction(m_ResetColumns);
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if(m_ColumnReset == 1)
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connect(pAction, SIGNAL(triggered()), this, SLOT(OnResetColumns()));
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else
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connect(pAction, SIGNAL(triggered()), this, SIGNAL(ResetColumns()));
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}
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}
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for(QMap<QAction*, int>::iterator I = m_Columns.begin(); I != m_Columns.end(); I++)
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I.key()->setChecked(!isColumnHidden(I.value()));
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m_pMenu->popup(QCursor::pos());
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}
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void OnMenu()
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{
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QAction* pAction = (QAction*)sender();
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int Column = m_Columns.value(pAction, -1);
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SetColumnHidden(Column, !pAction->isChecked());
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}
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protected:
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QMenu* m_pMenu;
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QMap<QAction*, int> m_Columns;
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QSet<int> m_FixedColumns;
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int m_ColumnReset;
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};
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class MISCHELPERS_EXPORT QStyledItemDelegateMaxH : public QStyledItemDelegate
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{
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Q_OBJECT
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public:
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QStyledItemDelegateMaxH(int MaxHeight, QObject *parent = 0)
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: QStyledItemDelegate(parent) {m_MaxHeight = MaxHeight;}
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QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
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{
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QSize size = QStyledItemDelegate::sizeHint(option, index);
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size.setHeight(m_MaxHeight);
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return size;
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}
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int m_MaxHeight;
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};
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class MISCHELPERS_EXPORT CStyledGridItemDelegate : public QStyledItemDelegateMaxH
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{
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public:
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explicit CStyledGridItemDelegate(int MaxHeight, QObject * parent = 0) : CStyledGridItemDelegate(MaxHeight, false, parent) { }
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explicit CStyledGridItemDelegate(int MaxHeight, QColor Color, QObject * parent = 0) : CStyledGridItemDelegate(MaxHeight, Color, false, parent) { }
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explicit CStyledGridItemDelegate(int MaxHeight, bool Tree, QObject * parent = 0) : CStyledGridItemDelegate(MaxHeight, QColor(Qt::darkGray), false, parent) { }
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explicit CStyledGridItemDelegate(int MaxHeight, QColor Color, bool Tree, QObject * parent = 0) : QStyledItemDelegateMaxH(MaxHeight, parent) {
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m_Color = Color;
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m_Tree = Tree;
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m_Grid = true;
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}
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void paint(QPainter * painter, const QStyleOptionViewItem & option, const QModelIndex & index ) const
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{
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QStyledItemDelegate::paint(painter, option, index);
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if (m_Grid)
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{
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painter->save();
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painter->setPen(m_Color);
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//painter->drawRect(option.rect);
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//painter->drawLine(option.rect.left(), option.rect.top(), option.rect.right(), option.rect.top());
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painter->drawLine(option.rect.right(), option.rect.top(), option.rect.right(), option.rect.bottom());
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painter->drawLine(option.rect.left() + (m_Tree && index.column() == 0 ? 24 : 0), option.rect.bottom(), option.rect.right(), option.rect.bottom());
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painter->restore();
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}
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}
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bool m_Grid;
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bool m_Tree;
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QColor m_Color;
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}; |