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[netinstall] Special-case the root node.

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Root is always selected, can't be unselected, and has its own explicit
constructor and name. This resolves issue reported where unchecking
all *visible* groups caused the root to be unchecked, after which
hidden-but-still-selected subgroups were not installed.

Reported by crazy@
This commit is contained in:
Adriaan de Groot 2017-11-24 07:52:52 -05:00
parent 452cefd482
commit 93ab6432c4
2 changed files with 43 additions and 25 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

65
src/modules/netinstall/PackageTreeItem.cpp
View file

@ -19,6 +19,8 @@
#include "PackageTreeItem.h" #include "PackageTreeItem.h"
#include "utils/Logger.h"
PackageTreeItem::PackageTreeItem( const ItemData& data, PackageTreeItem* parent ) PackageTreeItem::PackageTreeItem( const ItemData& data, PackageTreeItem* parent )
: m_parentItem( parent ) : m_parentItem( parent )
, m_data( data ) , m_data( data )
@ -36,7 +38,15 @@ PackageTreeItem::PackageTreeItem( const QString packageName, PackageTreeItem* pa
PackageTreeItem::PackageTreeItem( PackageTreeItem* parent ) : PackageTreeItem::PackageTreeItem( PackageTreeItem* parent ) :
m_parentItem( parent ) m_parentItem( parent )
{ } {
}
PackageTreeItem::PackageTreeItem::PackageTreeItem() :
PackageTreeItem( QString(), nullptr )
{
m_data.selected = Qt::Checked;
m_data.name = QLatin1Literal( "<root>" );
}
PackageTreeItem::~PackageTreeItem() PackageTreeItem::~PackageTreeItem()
{ {
@ -191,40 +201,47 @@ PackageTreeItem::isSelected() const
void void
PackageTreeItem::setSelected( Qt::CheckState isSelected ) PackageTreeItem::setSelected( Qt::CheckState isSelected )
{ {
if ( parentItem() == nullptr )
// This is the root, it is always checked so don't change state
return;
m_data.selected = isSelected; m_data.selected = isSelected;
setChildrenSelected( isSelected ); setChildrenSelected( isSelected );
PackageTreeItem* currentItem = parentItem();
while ( currentItem != nullptr )
{
if ( currentItem->childCount() == 0)
{
currentItem = currentItem->parentItem();
continue;
}
int childrenSelected = 0; // Look for suitable parent item which may change checked-state
int childrenPartiallySelected = 0; // when one of its children changes.
for ( int i = 0; i < currentItem->childCount(); i++ ) PackageTreeItem* currentItem = parentItem();
{ while ( ( currentItem != nullptr ) && ( currentItem->childCount() == 0 ) )
if ( currentItem->child( i )->isSelected() == Qt::Checked ) {
childrenSelected++;
if ( currentItem->child( i )->isSelected() == Qt::PartiallyChecked )
childrenPartiallySelected++;
}
if ( !childrenSelected && !childrenPartiallySelected)
currentItem->m_data.selected = Qt::Unchecked;
else if ( childrenSelected == currentItem->childCount() )
currentItem->m_data.selected = Qt::Checked;
else
currentItem->m_data.selected = Qt::PartiallyChecked;
currentItem = currentItem->parentItem(); currentItem = currentItem->parentItem();
} }
if ( currentItem == nullptr )
// Reached the root .. don't bother
return;
// Figure out checked-state based on the children
int childrenSelected = 0;
int childrenPartiallySelected = 0;
for ( int i = 0; i < currentItem->childCount(); i++ )
{
if ( currentItem->child( i )->isSelected() == Qt::Checked )
childrenSelected++;
if ( currentItem->child( i )->isSelected() == Qt::PartiallyChecked )
childrenPartiallySelected++;
}
if ( !childrenSelected && !childrenPartiallySelected)
currentItem->setSelected( Qt::Unchecked );
else if ( childrenSelected == currentItem->childCount() )
currentItem->setSelected( Qt::Checked );
else
currentItem->setSelected( Qt::PartiallyChecked );
} }
void void
PackageTreeItem::setChildrenSelected( Qt::CheckState isSelected ) PackageTreeItem::setChildrenSelected( Qt::CheckState isSelected )
{ {
if ( isSelected != Qt::PartiallyChecked ) if ( isSelected != Qt::PartiallyChecked )
// Children are never root; don't need to use setSelected on them.
for ( auto child : m_childItems ) for ( auto child : m_childItems )
{ {
child->m_data.selected = isSelected; child->m_data.selected = isSelected;

3
src/modules/netinstall/PackageTreeItem.h
View file

@ -40,7 +40,8 @@ public:
}; };
explicit PackageTreeItem( const ItemData& data, PackageTreeItem* parent = nullptr ); explicit PackageTreeItem( const ItemData& data, PackageTreeItem* parent = nullptr );
explicit PackageTreeItem( const QString packageName, PackageTreeItem* parent = nullptr ); explicit PackageTreeItem( const QString packageName, PackageTreeItem* parent = nullptr );
explicit PackageTreeItem( PackageTreeItem* parent = nullptr ); explicit PackageTreeItem( PackageTreeItem* parent );
explicit PackageTreeItem(); // The root of the tree; always selected, named <root>
~PackageTreeItem() override; ~PackageTreeItem() override;
void appendChild( PackageTreeItem* child ); void appendChild( PackageTreeItem* child );