/*
* private void InsertNodeElementsTask(object parameters)
* {
* TreeNode treenode = (TreeNode)((object[])parameters)[0];
* IExplorerObject exObject = (IExplorerObject)((object[])parameters)[1];
*
* IStatusBar statusbar = (_app != null) ? _app.StatusBar : null;
* List<ExplorerObjectNode> treeNodes = new List<ExplorerObjectNode>();
*
* List<IExplorerObject> childObjects = ((IExplorerParentObject)exObject).ChildObjects;
* if (childObjects == null) return;
* int pos = 0, count = childObjects.Count;
* if (statusbar != null) statusbar.ProgressVisible = true;
*
* foreach (IExplorerObject exObj in childObjects)
* {
* if (exObj == null ||
* exObj is IExplorerObjectDoubleClick) continue;
*
* if (statusbar != null)
* {
* statusbar.ProgressValue = (int)(((double)pos++ / (double)count) * 100.0);
* statusbar.Text = exObj.Name;
* statusbar.Refresh();
* }
*
* if (_filter != null)
* {
* if (_filter.Match(exObj))
* continue;
* else if (!(exObj is IExplorerParentObject)) continue;
* }
* int imageIndex = FormExplorer.ImageIndex(exObj);
* treeNodes.Add(new ExplorerObjectNode(exObj, imageIndex));
*
* if (exObj is IExplorerObjectDeletable)
* ((IExplorerObjectDeletable)exObj).ExplorerObjectDeleted += new ExplorerObjectDeletedEvent(CatalogTreeControl_ExplorerObjectDeleted);
* if (exObj is IExplorerObjectRenamable)
* ((IExplorerObjectRenamable)exObj).ExplorerObjectRenamed += new ExplorerObjectRenamedEvent(CatalogTreeControl_ExplorerObjectRenamed);
* if (exObj is IRefreshedEventHandler)
* ((IRefreshedEventHandler)exObj).Refreshed += new RefreshedEventHandler(CatalogTreeControl_Refreshed);
* }
*
* if (treenode.Nodes.Count == 0)
* {
* treenode.Nodes.Add(new DummyNode());
* return;
* }
* }
*
* private delegate void InsertNodeElementsCallback(TreeNode treeNode, List<ExplorerObjectNode> childNodes);
* private void InsertNodeElements(TreeNode treeNode, List<ExplorerObjectNode> childNodes)
* {
* if (this.InvokeRequired)
* {
* this.Invoke(new InsertNodeElementsCallback(InsertNodeElements), new object[] { treeNode, childNodes });
* }
* else
* {
* foreach (ExplorerObjectNode childNode in childNodes)
* {
* treeNode.Nodes.Add(childNode);
* }
* }
* }
*/
async private Task <bool> InsertNodeElements(TreeNode treenode)
{
if (!(treenode is ExplorerObjectNode))
{
return(true);
}
ExplorerObjectNode node = (ExplorerObjectNode)treenode;
IExplorerObject exObject = node.ExplorerObject;
if (exObject == null)
{
return(true);
}
try
{
Cursor = Cursors.WaitCursor;
if (exObject is IExplorerParentObject)
{
//System.Threading.Thread thread = new System.Threading.Thread(new System.Threading.ParameterizedThreadStart(InsertNodeElementsTask));
//thread.Start(new object[] { treenode, exObject });
treenode.Nodes.Clear();
IStatusBar statusbar = (_app != null) ? _app.StatusBar : null;
List <IExplorerObject> childObjects = await((IExplorerParentObject)exObject).ChildObjects();
if (childObjects == null)
{
return(false);
}
int pos = 0, count = childObjects.Count;
if (statusbar != null)
{
statusbar.ProgressVisible = true;
}
foreach (IExplorerObject exObj in childObjects)
{
if (exObj == null ||
exObj is IExplorerObjectDoubleClick)
{
continue;
}
if (statusbar != null)
{
statusbar.ProgressValue = (int)((pos++ / (double)count) * 100.0);
statusbar.Text = exObj.Name;
statusbar.Refresh();
}
if (_filter != null)
{
if (await _filter.Match(exObj))
{
continue;
}
else if (!(exObj is IExplorerParentObject))
{
continue;
}
}
int imageIndex = gView.Explorer.UI.Framework.UI.ExplorerIcons.ImageIndex(exObj);
treenode.Nodes.Add(new ExplorerObjectNode(exObj, imageIndex));
if (exObj is IExplorerObjectDeletable)
{
((IExplorerObjectDeletable)exObj).ExplorerObjectDeleted += new ExplorerObjectDeletedEvent(CatalogTreeControl_ExplorerObjectDeleted);
}
if (exObj is IExplorerObjectRenamable)
{
((IExplorerObjectRenamable)exObj).ExplorerObjectRenamed += new ExplorerObjectRenamedEvent(CatalogTreeControl_ExplorerObjectRenamed);
}
if (exObj is IRefreshedEventHandler)
{
((IRefreshedEventHandler)exObj).Refreshed += new RefreshedEventHandler(CatalogTreeControl_Refreshed);
}
}
if (statusbar != null)
{
statusbar.ProgressVisible = false;
statusbar.Text = String.Empty;
statusbar.Refresh();
}
}
if (treenode.Nodes.Count == 0)
{
treenode.Nodes.Add(new DummyNode());
return(false);
}
return(true);
}
catch (Exception ex)
{
Cursor = Cursors.Default;
MessageBox.Show(ex.Message);
treenode.Nodes.Add(new DummyNode());
return(false);
}
finally
{
Cursor = Cursors.Default;
}
}
private void BuildListThread(object chkTreeNodes)
{
bool checkTreeNodes = (bool)chkTreeNodes;
ClearList();
if (_exObject is IExplorerParentObject)
{
List <IExplorerObject> childs = ((IExplorerParentObject)_exObject).ChildObjects;
if (childs != null)
{
IStatusBar statusbar = (_app != null) ? _app.StatusBar : null;
List <IExplorerObject> childObjects = ((IExplorerParentObject)_exObject).ChildObjects;
if (childObjects == null)
{
return;
}
int pos = 0, count = childObjects.Count;
if (statusbar != null)
{
statusbar.ProgressVisible = true;
}
foreach (IExplorerObject exObject in childObjects)
{
if (exObject == null)
{
continue;
}
if (statusbar != null)
{
statusbar.ProgressValue = (int)(((double)pos++ / (double)count) * 100.0);
statusbar.Text = exObject.Name;
statusbar.Refresh();
}
if (!_cancelTracker.Continue)
{
break;
}
if (_filter != null &&
!(exObject is IExplorerParentObject) &&
!(exObject is IExplorerObjectDoubleClick) &&
_open)
{
if (!_filter.Match(exObject))
{
continue;
}
}
int imageIndex = gView.Explorer.UI.Framework.UI.ExplorerIcons.ImageIndex(exObject);
if (imageIndex == -1)
{
continue;
}
string[] texts = null;
if (exObject is IExporerOjectSchema)
{
texts = new string[] { exObject.Name, exObject.Type, ((IExporerOjectSchema)exObject).Schema }
}
;
else
{
texts = new string[] { exObject.Name, exObject.Type }
};
ListViewItem item = new ExplorerObjectListViewItem(texts, exObject);
item.ImageIndex = imageIndex;
AddListItem(item);
if (checkTreeNodes && _tree != null)
{
CheckTree(exObject);
}
if (exObject is IExplorerObjectDeletable)
{
((IExplorerObjectDeletable)exObject).ExplorerObjectDeleted += new ExplorerObjectDeletedEvent(ContentsList_ExplorerObjectDeleted);
}
if (exObject is IExplorerObjectRenamable)
{
((IExplorerObjectRenamable)exObject).ExplorerObjectRenamed += new ExplorerObjectRenamedEvent(ContentsList_ExplorerObjectRenamed);
}
}
if (statusbar != null)
{
statusbar.ProgressVisible = false;
statusbar.Text = pos.ToString() + " Objects...";
statusbar.Refresh();
}
}
}
_worker = null;
}