/// <summary>
/// Signal that the used status of a node has changed.
/// </summary>
public void SignalUsedStatusChanged(ObiNode node)
{
if (UsedStatusChanged != null)
{
UsedStatusChanged(this, new NodeEventArgs <ObiNode>(node));
}
}
/// <summary>
/// Return the correct namespace URI for all Obi nodes.
/// </summary>
//public override string XukNamespaceUri { get { return DataModelFactory.NS;
/// <summary>
/// Copy the used flag as well as properties.
/// </summary>
protected override TreeNode CopyProtected(bool deep, bool inclProperties)
{
ObiNode copy = (ObiNode)base.CopyProtected(deep, inclProperties);
copy.mUsed = mUsed;
return(copy);
}
/// <summary>
/// Find the page number following the one for this node. If the node doesn't have a number,
/// find the first preceding node that has one.
/// </summary>
public PageNumber PageNumberFollowing(ObiNode node)
{
while (node != null && !(node is EmptyNode && ((EmptyNode)node).Role_ == EmptyNode.Role.Page))
{
node = node.PrecedingNode;
}
return(node != null ? ((EmptyNode)node).PageNumber.NextPageNumber() : new PageNumber(1));
}
/// <summary>
/// Insert a node at the given index.
/// The index is interpreted relatively to the position of the other phrases or sections.
/// If the index is negative, count backward from the end (i.e. -1 inserts in the last position)
/// </summary>
public override void Insert(ObiNode node, int index)
{
index = node is EmptyNode ? index < 0 ? FirstSectionIndex + index : index :
index < 0 ? Children.Count + index : index + FirstSectionIndex;
((TreeNode)this).Insert(node, index);
if (node is PhraseNode && ((PhraseNode)node).Role_ == EmptyNode.Role.Heading)
{
DidSetHeading((PhraseNode)node);
}
}
/// <summary>
/// Allow only phrase nodes to be inserted.
/// If the index is negative, count backward from the end (-1 is last.)
/// </summary>
public override void Insert(ObiNode node, int index)
{
if (!(node is PhraseNode))
{
throw new Exception("Only phrase nodes can be added as children of a phrase node.");
}
if (index < 0)
{
index += Children.Count;
}
((TreeNode)this).Insert(node, index);
}
/// <summary>
/// Following node in document order: section, then its phrase children, then its section children,
/// then its siblings, etc.
/// </summary>
public virtual ObiNode FollowingNodeAfter(int index_after)
{
ObiNode parent = ParentAs <ObiNode>();
if (parent != null)
{
int index_self = parent.Children.IndexOf(this);
return(Children.Count > index_after + 1 ? (ObiNode)Children.Get(index_after + 1) :
index_self < Parent.Children.Count - 1 ? (ObiNode)Parent.Children.Get(index_self + 1) :
parent.FollowingNodeAfter(index_self));
}
else
{
return(null);
}
}
/// <summary>
/// Get the page number for this node. If the node already has a page number, return it.
/// If it has no page number, find the nearest preceding block with a page number and add one.
/// </summary>
public PageNumber PageNumberFor(ObiNode node)
{
if (node is EmptyNode && ((EmptyNode)node).Role_ == EmptyNode.Role.Page)
{
return(((EmptyNode)node).PageNumber);
}
else
{
ObiNode n = node.PrecedingNode;
while (n != null && !(n is EmptyNode && ((EmptyNode)n).Role_ == EmptyNode.Role.Page))
{
n = n.PrecedingNode;
}
return(n != null ? ((EmptyNode)n).PageNumber.NextPageNumber() : new PageNumber(1));
}
}
public void LocateBookMarkAndAssociatedNode()
{
AcceptDepthFirst(delegate(urakawa.core.TreeNode n)
{
if (n.IsMarked)
{
m_Bookmarked = (ObiNode)n;
}
// work around to load associate node because the sdk do not have event to indicate suk-in complete
if (n is EmptyNode && ((EmptyNode)n).Role_ == EmptyNode.Role.Anchor)
{
EmptyNode e = ((EmptyNode)n).AssociatedNode;
}
return(true);
}, delegate(urakawa.core.TreeNode n) { });
}
private void UpdateAssociatedNodeLocationString()
{
if (AssociatedNode != null && AssociatedNode.IsRooted) //@AssociateNode
{
ObiNode iterationNode = AssociatedNode;
m_AssociatedNodeLocation = "";
while (iterationNode != this.Root)
{
if (AssociatedNode != iterationNode)
{
m_AssociatedNodeLocation += "_";
}
m_AssociatedNodeLocation += iterationNode.Parent.Children.IndexOf(iterationNode).ToString();
iterationNode = iterationNode.ParentAs <ObiNode>();
}
}
}
/// <summary>
/// Find the parent node for a new node to be added at the current selection.
/// The new node can either be a SectionNode or an EmtpyNode.
/// The rule is to add inside containers and after cursor/phrase block.
/// </summary>
public virtual ObiNode ParentForNewNode(ObiNode newNode)
{
return(newNode is SectionNode ?
(Node is SectionNode ? Node.ParentAs <ObiNode>() : Node.AncestorAs <SectionNode>()) :
(Node is SectionNode ? Node : Node.ParentAs <ObiNode>()));
}
public abstract void Insert(ObiNode node, int index);
public void InsertAfter(ObiNode node, ObiNode anchor)
{
int index = Children.IndexOf(anchor);
base.Insert(node, index + 1);
}
public void InsertAfterSelf(ObiNode node)
{
Parent.InsertAfter(node, this);
}
// Our own overrides
public virtual void AppendChild(ObiNode node)
{
base.AppendChild(node);
}
public Clipboard(ObiNode node, bool deep)
{
mNode = node;
mDeep = deep;
}
public override int IndexForNewNode(ObiNode newNode)
{
return(newNode is SectionNode ? Node.Index + 1 : mIndex);
}
public virtual int IndexForNewNode(ObiNode newNode)
{
return(newNode is SectionNode ?
(Node is SectionNode ? (Node.Index + 1) : Node.AncestorAs <SectionNode>().SectionChildCount) :
(Node is SectionNode ? Node.PhraseChildCount : (Node.Index + 1)));
}
/// <summary>
/// Get the nearest ancestor of the given type. This is useful to get the section ancestor of a phrase
/// regardless of its nesting level.
/// </summary>
public T AncestorAs <T>() where T : ObiNode
{
ObiNode parent = Parent as ObiNode;
return(parent == null || parent is T ? parent as T : parent.AncestorAs <T>());
}
public void InsertBefore(ObiNode node, ObiNode anchor)
{
int index = Children.IndexOf(anchor);
base.Insert(node, index);
}
public void RemoveChild(ObiNode child)
{
Children.Remove(child);
}
public override ObiNode ParentForNewNode(ObiNode newNode)
{
return(newNode is SectionNode?Node.ParentAs <ObiNode>() : Node);
}
/// <summary>
/// Append a child node (of any kind) at the right position.
/// </summary>
public override void AppendChild(ObiNode node)
{
int index = node is EmptyNode ? FirstSectionIndex : Children.Count;
((TreeNode)this).Insert(node, index);
}
//public MetadataSelection(RootNode node, ProjectView.MetadataView control, ProjectView.MetadataItemSelection item)
public MetadataSelection(ObiNode node, ProjectView.MetadataView control, ProjectView.MetadataItemSelection item) //sdk2
: base(node, control)
{
mItem = item;
}
public override void Insert(ObiNode node, int index)
{
throw new Exception("Empty nodes have no children.");
}
public IControlWithSelection Control; // control in which it is selected
/// <summary>
/// Create a new selection object.
/// </summary>
public NodeSelection(ObiNode node, IControlWithSelection control)
{
Node = node;
Control = control;
}
/// <summary>
/// Get a command to renumber this node and all following nodes from this number.
/// </summary>
public virtual CompositeCommand RenumberCommand(ProjectView.ProjectView view, PageNumber from)
{
ObiNode n = FollowingNode;
return(n == null ? null : n.RenumberCommand(view, from));
}
