//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
bool UiTreeModelPdm::setData(const QModelIndex &index, const QVariant &value, int role /*= Qt::EditRole*/)
{
if (!index.isValid())
{
return false;
}
PdmUiTreeItem* treeItem = UiTreeModelPdm::getTreeItemFromIndex(index);
assert(treeItem);
PdmObject* obj = treeItem->dataObject();
assert(obj);
if (role == Qt::EditRole && obj->userDescriptionField())
{
obj->userDescriptionField()->setValueFromUi(value);
emitDataChanged(index);
return true;
}
else if (role == Qt::CheckStateRole && obj->objectToggleField())
{
bool toggleOn = (value == Qt::Checked);
obj->objectToggleField()->setValueFromUi(toggleOn);
emitDataChanged(index);
return true;
}
return false;
}
//--------------------------------------------------------------------------------------------------
/// Enable edit of this item if we have a editable user description field for a pdmObject
/// Disable edit for other items
//--------------------------------------------------------------------------------------------------
Qt::ItemFlags UiTreeModelPdm::flags(const QModelIndex &index) const
{
if (!index.isValid())
return Qt::ItemIsEnabled;
Qt::ItemFlags flagMask = QAbstractItemModel::flags(index);
PdmUiTreeItem* treeItem = getTreeItemFromIndex(index);
if (treeItem)
{
PdmObject* pdmObject = treeItem->dataObject();
if (pdmObject)
{
if (pdmObject->userDescriptionField() && !pdmObject->userDescriptionField()->isUiReadOnly())
{
flagMask = flagMask | Qt::ItemIsEditable;
}
if (pdmObject->objectToggleField())
{
flagMask = flagMask | Qt::ItemIsUserCheckable;
}
}
}
else
{
flagMask = flagMask & (~Qt::ItemIsEditable);
}
return flagMask;
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
QVariant UiTreeModelPdm::data(const QModelIndex &index, int role /*= Qt::DisplayRole */) const
{
if (!m_treeItemRoot)
return QVariant();
if (!index.isValid())
return QVariant();
PdmUiTreeItem* treeItem = UiTreeModelPdm::getTreeItemFromIndex(index);
assert(treeItem);
PdmObject* obj = treeItem->dataObject();
if (obj == NULL) return QVariant();
// We try to find the context of the object first: The parent field
// If found, use its data to describe the thing
// Note: This code will only find first field pointing at the current object. Its valid for now,
// but will not generally be valid if references is introduced in the pdm system
PdmFieldHandle* parentField = 0;
PdmUiTreeItem* parentTreeItem = treeItem->parent();
if (parentTreeItem)
{
PdmObject* parentObj = parentTreeItem->dataObject();
if (parentObj)
{
std::vector<PdmFieldHandle*> fields;
parentObj->fields(fields);
size_t i;
for (i = 0; i < fields.size(); ++i)
{
std::vector<PdmObject*> children;
if (fields[i]) fields[i]->childObjects(&children);
size_t cIdx;
for (cIdx = 0; cIdx < children.size(); ++ cIdx)
{
if (children[cIdx] == obj)
{
parentField = fields[i];
break;
}
}
if (parentField) break;
}
}
}
assert(obj);
if (role == Qt::DisplayRole || role == Qt::EditRole)
{
if (obj->userDescriptionField())
{
return obj->userDescriptionField()->uiValue();
}
else
{
if (parentField && !parentField->uiName().isEmpty())
return parentField->uiName();
else
return obj->uiName();
}
}
else if (role == Qt::DecorationRole)
{
if (parentField && !parentField->uiIcon().isNull())
return parentField->uiIcon();
else
return obj->uiIcon();
}
else if (role == Qt::ToolTipRole)
{
if (parentField && !parentField->uiToolTip().isEmpty())
return parentField->uiToolTip();
else
return obj->uiToolTip();
}
else if (role == Qt::WhatsThisRole)
{
if (parentField && !parentField->uiWhatsThis().isEmpty())
return parentField->uiWhatsThis();
else
return obj->uiWhatsThis();
}
else if (role == Qt::CheckStateRole)
{
if (obj->objectToggleField())
{
bool isToggledOn = obj->objectToggleField()->uiValue().toBool();
if (isToggledOn)
{
return Qt::Checked;
}
else
{
return Qt::Unchecked;
}
}
}
return QVariant();
}
