public static string GenerateItemModel(ICanvas canvas, ITreeItem item, bool update)
{
string model = null;
if (item != null)
{
string uid = item.GetUid();
bool isDiagram = StringUtil.StartsWith(uid, Constants.TagHeaderDiagram);
if (isDiagram == true)
{
var prop = (canvas == null) ? DiagramProperties.Default : canvas.GetProperties();
model = GenerateDiagram(canvas, uid, prop);
if (update == true)
{
UndoRedo undoRedo = (canvas == null) ?
new UndoRedo(new Stack <string>(), new Stack <string>()) :
canvas.GetTag() as UndoRedo;
item.SetTag(new Diagram(model, undoRedo));
}
}
}
return(model);
}
public static TreeItemType SwitchItems(ICanvas canvas,
IDiagramCreator creator,
ITreeItem oldItem,
ITreeItem newItem,
Action <DiagramProperties> setProperties)
{
if (newItem == null)
{
return(TreeItemType.None);
}
var oldItemType = GetTreeItemType(oldItem == null ? null : oldItem.GetUid());
var newItemType = GetTreeItemType(newItem == null ? null : newItem.GetUid());
if (oldItemType == TreeItemType.Diagram)
{
ModelEditor.Store(canvas, oldItem);
}
if (newItemType == TreeItemType.Diagram)
{
ModelEditor.Load(canvas, creator, newItem);
if (setProperties != null)
{
setProperties(canvas.GetProperties());
}
}
return(newItemType);
}
public static void Store(ICanvas canvas, ITreeItem item)
{
string model = (canvas == null) ?
GenerateItemModel(null, item, true) :
GenerateDiagram(canvas, item.GetUid(), canvas == null ? null : canvas.GetProperties());
item.SetTag(new Diagram(model, canvas != null ? canvas.GetTag() as UndoRedo : null));
}
public static string GenerateProject(ITreeItem project,
List <string> models,
bool includeHistory)
{
var sb = new StringBuilder();
sb.Append(Constants.PrefixRoot);
sb.Append(Constants.ArgumentSeparator);
sb.Append(project.GetUid());
sb.Append(Environment.NewLine);
foreach (var diagram in project.GetItems())
{
if (diagram.GetTag() != null)
{
var tag = diagram.GetTag() as Diagram;
var model = tag.Model;
var history = tag.History;
if (model == null)
{
model = GenerateItemModel(null, diagram, true);
}
models.Add(model);
sb.Append(model);
if (includeHistory == true && history != null)
{
foreach (var m in history.Undo)
{
models.Add(m);
sb.Append(m);
}
}
}
}
return(sb.ToString());
}
public static TreeItemType SwitchItems(ICanvas canvas,
IDiagramCreator creator,
ITreeItem oldItem,
ITreeItem newItem,
Action<DiagramProperties> setProperties)
{
if (newItem == null)
return TreeItemType.None;
var oldItemType = GetTreeItemType(oldItem == null ? null : oldItem.GetUid());
var newItemType = GetTreeItemType(newItem == null ? null : newItem.GetUid());
if (oldItemType == TreeItemType.Diagram)
ModelEditor.Store(canvas, oldItem);
if (newItemType == TreeItemType.Diagram)
{
ModelEditor.Load(canvas, creator, newItem);
if (setProperties != null)
setProperties(canvas.GetProperties());
}
return newItemType;
}