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TreeModel: Make root item configurable

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This is mainly used to communicate the number of columns and
header contents.

Change-Id: Ic3163265338d71f1fa8250e4765bb764e5784197
Reviewed-by: Christian Stenger <christian.stenger@theqtcompany.com>
This commit is contained in:
hjk
2014-12-17 13:15:08 +01:00
parent e822d5705f
commit a8ece5e9b0
2 changed files with 16 additions and 0 deletions
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14
src/libs/utils/treemodel.cpp
View File

@@ -198,6 +198,14 @@ QVariant TreeModel::data(const QModelIndex &idx, int role) const
return item ? item->data(idx.column(), role) : QVariant(); return item ? item->data(idx.column(), role) : QVariant();
} }
QVariant TreeModel::headerData(int section, Qt::Orientation orientation,
int role) const
{
if (orientation == Qt::Horizontal)
return m_root->data(section, role);
return QVariant();
}
Qt::ItemFlags TreeModel::flags(const QModelIndex &idx) const Qt::ItemFlags TreeModel::flags(const QModelIndex &idx) const
{ {
TreeItem *item = itemFromIndex(idx); TreeItem *item = itemFromIndex(idx);
@@ -210,6 +218,12 @@ TreeItem *TreeModel::rootItem() const
return m_root; return m_root;
} }
void TreeModel::setRootItem(TreeItem *item)
{
delete m_root;
m_root = item;
}
QModelIndex TreeModel::index(int row, int column, const QModelIndex &parent) const QModelIndex TreeModel::index(int row, int column, const QModelIndex &parent) const
{ {
checkIndex(parent); checkIndex(parent);

2
src/libs/utils/treemodel.h
View File

@@ -87,8 +87,10 @@ public:
QModelIndex index(int, int, const QModelIndex &idx) const; QModelIndex index(int, int, const QModelIndex &idx) const;
QModelIndex parent(const QModelIndex &idx) const; QModelIndex parent(const QModelIndex &idx) const;
Qt::ItemFlags flags(const QModelIndex &idx) const; Qt::ItemFlags flags(const QModelIndex &idx) const;
QVariant headerData(int section, Qt::Orientation orientation, int role) const;
TreeItem *rootItem() const; TreeItem *rootItem() const;
void setRootItem(TreeItem *item);
TreeItem *itemFromIndex(const QModelIndex &) const; TreeItem *itemFromIndex(const QModelIndex &) const;
QModelIndex indexFromItem(const TreeItem *needle) const; QModelIndex indexFromItem(const TreeItem *needle) const;