private bool EditMenuItemsChangeCallback(object context)
{
bool changed = false;
DeluxeTree oControl = (DeluxeTree)Component;
IServiceProvider site = oControl.Site;
IComponentChangeService changeService = null;
try
{
DeluxeTreeItemsEditorForm oEditorForm = new DeluxeTreeItemsEditorForm(oControl);
if (site != null)
{
IUIService service = (IUIService)site.GetService(typeof(IUIService));
if (service != null)
{
if (service.ShowDialog(oEditorForm) == DialogResult.OK)
{
changed = true;
}
}
}
}
finally
{
if (changed && changeService != null)
{
changeService.OnComponentChanged(oControl, null, null, null);
}
}
return(changed);
}
public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
{
IDesignerHost service = (IDesignerHost)context.GetService(typeof(IDesignerHost));
DeluxeTree component = (DeluxeTree)context.Instance;
((DeluxeTreeItemsDesigner)service.GetDesigner(component)).InvokeMenuItemCollectionEditor();
return(value);
}
private void InnerTree_TargetControlLoaded(Control targetControl)
{
if ((targetControl is DeluxeTree) && targetControl.ID.IndexOf("oguInnerTree") >= 0)
{
DeluxeTree tree = (DeluxeTree)targetControl;
tree.GetChildrenData += new DeluxeTree.GetChildrenDataDelegate(tree_GetChildrenData);
}
}
protected override void CreateChildControls()
{
if (!this.ChildControlsCreated)
{
Controls.Clear();
this.treeControl = new DeluxeTree();
this.treeControl.ID = "innerTree";
//this.InitTree();
this.Controls.Add(this.treeControl);
this.ChildControlsCreated = true;
}
}
protected override void CreateChildControls()
{
this.Style["overflow"] = "auto";
this.tree = new DeluxeTree();
this.tree.ID = "oguInnerTree";
this.tree.GetChildrenData += new DeluxeTree.GetChildrenDataDelegate(tree_GetChildrenData);
this.tree.Width = Unit.Percentage(100);
this.tree.Height = Unit.Percentage(100);
if (this.CurrentMode == ControlShowingMode.Normal)
{
this.rootContainer = this;
Controls.Add(this.tree);
}
base.CreateChildControls();
}
public DeluxeTreeItemsEditorForm(DeluxeTree oMenu)
{
InitializeComponent();
this._firstActivate = true;
_navBar = oMenu;
Items = oMenu.Nodes;
_serviceProvider = oMenu.Site;
// add pre-existing nodes
foreach (MCS.Web.WebControls.DeluxeTreeNode oRoot in Items)
{
TreeNode oRootNode = new TreeNode(oRoot.Text);
LoadNodes(oRoot, oRootNode);
_treeView.Nodes.Add(oRootNode);
}
this.propertyGrid1.Site = new FormPropertyGridSite(_serviceProvider, this.propertyGrid1);
_treeView.HideSelection = false;
}
public override bool EditComponent(ITypeDescriptorContext context, object component, IWin32Window owner)
{
DeluxeTree oControl = (DeluxeTree)component;
IServiceProvider site = oControl.Site;
IComponentChangeService changeService = null;
DesignerTransaction transaction = null;
bool changed = false;
try
{
if (site != null)
{
IDesignerHost designerHost = (IDesignerHost)site.GetService(typeof(IDesignerHost));
transaction = designerHost.CreateTransaction("BuildMenu");
changeService = (IComponentChangeService)site.GetService(typeof(IComponentChangeService));
if (changeService != null)
{
try
{
changeService.OnComponentChanging(component, null);
}
catch (CheckoutException ex)
{
if (ex == CheckoutException.Canceled)
{
return(false);
}
throw ex;
}
}
}
try
{
DeluxeTreeItemsEditorForm oEditorForm = new DeluxeTreeItemsEditorForm(oControl);
if (oEditorForm.ShowDialog(owner) == DialogResult.OK)
{
changed = true;
}
}
finally
{
if (changed && changeService != null)
{
changeService.OnComponentChanged(oControl, null, null, null);
}
}
}
finally
{
if (transaction != null)
{
if (changed)
{
transaction.Commit();
}
else
{
transaction.Cancel();
}
}
}
return(changed);
}
public DeluxeTreeItemsEditorForm(DeluxeTree oMenu)
{
InitializeComponent();
this._firstActivate = true;
_navBar = oMenu;
Items = oMenu.Nodes;
_serviceProvider = oMenu.Site;
// add pre-existing nodes
foreach (MCS.Web.WebControls.DeluxeTreeNode oRoot in Items)
{
TreeNode oRootNode = new TreeNode(oRoot.Text);
LoadNodes(oRoot, oRootNode);
_treeView.Nodes.Add(oRootNode);
}
this.propertyGrid1.Site = new FormPropertyGridSite(_serviceProvider, this.propertyGrid1);
_treeView.HideSelection = false;
}
