void
JXTreeListWidget::AdjustColWidths()
{
if (itsAdjustToTreeTask != NULL)
{
return;
}
const JSize colCount = GetColCount();
if (itsMinColWidths->GetElementCount() != colCount)
{
NeedsAdjustToTree();
return;
}
for (JIndex i=1; i<=colCount; i++)
{
SetColWidth(i, itsMinColWidths->GetElement(i));
}
if (ColIndexValid(itsElasticColIndex))
{
const JCoordinate minReqWidth = itsMinColWidths->GetElement(itsElasticColIndex);
if (minReqWidth > 0)
{
const JCoordinate availWidth =
GetApertureWidth() - (GetBoundsWidth() - GetColWidth(itsElasticColIndex));
SetColWidth(itsElasticColIndex, JMax(minReqWidth, availWidth));
}
}
}
JXTreeListWidget::JXTreeListWidget
(
JTreeList* treeList,
JXScrollbarSet* scrollbarSet,
JXContainer* enclosure,
const HSizingOption hSizing,
const VSizingOption vSizing,
const JCoordinate x,
const JCoordinate y,
const JCoordinate w,
const JCoordinate h
)
:
JXStyleTable(scrollbarSet, enclosure, hSizing,vSizing, x,y, w,h),
itsToggleOpenColIndex(0),
itsNodeColIndex(0),
itsElasticColIndex(0)
{
itsTreeList = treeList;
ListenTo(itsTreeList);
itsMinColWidths = new JArray<JSize>;
assert( itsMinColWidths != NULL );
itsReselectNodeList = new JPtrArray<JTreeNode>(JPtrArrayT::kForgetAll);
assert( itsReselectNodeList != NULL );
ListenTo(itsTreeList->GetTree());
itsIndentWidth = kDefaultIndent;
itsDrawSelectionFlag = kJTrue;
itsAdjustToTreeTask = NULL;
itsToggleDragIndex = 0;
itsDNDTargetIndex = 0;
itsMaxOpenDepth = kDefaultMaxOpenDepth;
itsSavedScrollSetup = NULL;
SetRowBorderInfo(0, GetBackColor());
SetColBorderInfo(0, GetBackColor());
ShouldActLike1DList();
NeedsAdjustToTree();
AppendRows(itsTreeList->GetElementCount());
AppendCols(2, kToggleColWidth); // second width adjusts automatically
itsToggleOpenColIndex = 1;
itsNodeColIndex = 2;
itsElasticColIndex = itsNodeColIndex;
ListenTo(this);
}
void
JXTreeListWidget::Receive
(
JBroadcaster* sender,
const Message& message
)
{
if (sender == itsTreeList && message.Is(JTreeList::kNodeInserted))
{
const JTreeList::NodeInserted* info =
dynamic_cast(const JTreeList::NodeInserted*, &message);
assert( info != NULL );
InsertRows(info->GetIndex(), 1);
NeedsAdjustToTree();
}
else if (sender == itsTreeList && message.Is(JTreeList::kNodeRemoved))
void
JXTreeListWidget::Receive
(
JBroadcaster* sender,
const Message& message
)
{
if (sender == itsTreeList && message.Is(JTreeList::kNodeInserted))
{
const JTreeList::NodeInserted* info =
dynamic_cast<const JTreeList::NodeInserted*>(&message);
assert( info != NULL );
InsertRows(info->GetIndex(), 1);
NeedsAdjustToTree();
}
else if (sender == itsTreeList && message.Is(JTreeList::kNodeRemoved))
{
const JTreeList::NodeRemoved* info =
dynamic_cast<const JTreeList::NodeRemoved*>(&message);
assert( info != NULL );
RemoveRow(info->GetIndex());
NeedsAdjustToTree();
}
else if (sender == itsTreeList && message.Is(JTreeList::kNodeChanged))
{
const JTreeList::NodeChanged* info =
dynamic_cast<const JTreeList::NodeChanged*>(&message);
assert( info != NULL );
TableRefreshRow(info->GetIndex());
NeedsAdjustToTree();
}
else if (sender == itsTreeList &&
(message.Is(JTreeList::kNodeOpened) ||
message.Is(JTreeList::kNodeClosed)))
{
const JTreeList::NodeMessage* info =
dynamic_cast<const JTreeList::NodeMessage*>(&message);
assert( info != NULL );
TableRefreshRow(info->GetIndex());
}
else if (sender == itsTreeList->GetTree() &&
message.Is(JTree::kPrepareForNodeMove))
{
HandlePrepareForNodeMove();
}
else if (sender == itsTreeList->GetTree() &&
message.Is(JTree::kNodeMoveFinished))
{
HandleNodeMoveFinished();
}
else
{
if (sender == this && message.Is(kColsInserted))
{
const ColsInserted* info = dynamic_cast<const ColsInserted*>(&message);
assert( info != NULL );
info->AdjustIndex(&itsToggleOpenColIndex);
info->AdjustIndex(&itsNodeColIndex);
info->AdjustIndex(&itsElasticColIndex);
NeedsAdjustToTree();
}
else if (sender == this && message.Is(kColsRemoved))
{
const ColsRemoved* info = dynamic_cast<const ColsRemoved*>(&message);
assert( info != NULL );
JBoolean ok = info->AdjustIndex(&itsToggleOpenColIndex);
assert( ok );
ok = info->AdjustIndex(&itsNodeColIndex);
assert( ok );
info->AdjustIndex(&itsElasticColIndex); // ok to let it go to zero
NeedsAdjustToTree();
}
else if (sender == this && message.Is(kColMoved))
{
const ColMoved* info =
dynamic_cast<const ColMoved*>(&message);
assert( info != NULL );
info->AdjustIndex(&itsToggleOpenColIndex);
info->AdjustIndex(&itsNodeColIndex);
info->AdjustIndex(&itsElasticColIndex);
itsMinColWidths->MoveElementToIndex(info->GetOrigIndex(), info->GetNewIndex());
}
JXStyleTable::Receive(sender, message);
}
}
