public void PushPage(PathItem parentPath, string name, Type pageType, object param = null)
{
PathItem pathItem = CreateOrModify(parentPath, name, pageType, param);
if (pathItem != null)
{
_PathFrame.PushContent(pathItem);
}
}
public void PushContent(PathItem pathItem)
{
if (!_PathItemCollection.Contains(pathItem))
{
_PathItemCollection.Add(pathItem);
ShowLeftContent();
}
else
{
ShowLeftContent(pathItem);
}
}
private PathItem CreateOrModify(PathItem parentPath, string name, Type pageType, object param)
{
int nextLevel = 0;
if (parentPath != null)
nextLevel = parentPath.PathLevel + 1;
//去掉更低级的项
foreach (PathChildFrame childFrame in _PathChildren)
{
if (childFrame.PathItem.PathLevel >= nextLevel)
{
_PathFrame.RemovePathItem(childFrame.PathItem);
}
}
PathChildFrame pathChild = FindLevel(nextLevel);
if (pathChild == null || pathChild.PathItem.PathControl.GetType() != pageType)
{
object page = Activator.CreateInstance(pageType);
UIElement pageUI = page as UIElement;
if (pageUI == null)
return null;
PathChildFrame pageChild = page as PathChildFrame;
if (pageChild == null)
return null;
PathItem pathItem = new PathItem { DisplayName = name, PathControl = pageUI, PathLevel = nextLevel };
pageChild.ParentBaseFrame = this;
pageChild.PathItem = pathItem;
pathItem.Width = pageChild.GetWidth();
pageChild.ShowContent(param);
_PathChildren.Add(pageChild);
return pathItem;
}
else
{
pathChild.PathItem.DisplayName = name;
pathChild.ShowContent(param);
return pathChild.PathItem;
}
}
public void RemovePathItem(PathItem pathItem)
{
if (_StackRightData == pathItem)
{
_StackRightData = null;
}
else
{
_PathItemCollection.Remove(pathItem);
}
}
private void ShowLeftContent(PathItem pathItem)
{
if (_StackLeft != null)
{
int index = _PathItemCollection.IndexOf(pathItem);
_LinkList.SelectedIndex = index;
_StackLeft.ChangeContent(pathItem.PathControl, PathContentTranstitionType.LEFT_IN);
}
}