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/*
* PropertyGrid.cs - PropertyGrid wrapper. Hooks into ISelectionService.
*
* Authors:
* Michael Hutchinson <m.j.hutchinson@gmail.com>
*
* Copyright (C) 2005 Michael Hutchinson
*
* This sourcecode is licenced under The MIT License:
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to permit
* persons to whom the Software is furnished to do so, subject to the
* following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
* NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
using System;
using System.ComponentModel.Design;
using Gtk;
using System.ComponentModel;
using System.Collections;
using MonoDevelop.DesignerSupport.PropertyGrid;
namespace AspNetEdit.Editor.UI
{
public class PropertyGrid : Gtk.VBox
{
private ServiceContainer parentServices = null;
private ISelectionService selectionService = null;
private IExtenderListService extenderListService = null;
private IComponentChangeService changeService = null;
private ITypeDescriptorFilterService typeDescriptorFilterService = null;
private MonoDevelop.DesignerSupport.PropertyGrid.PropertyGrid grid;
private ListStore components;
private ComboBox combo;
private bool suppressChange = false;
public PropertyGrid (ServiceContainer parentServices)
{
this.parentServices = parentServices;
grid = new MonoDevelop.DesignerSupport.PropertyGrid.PropertyGrid ();
this.PackEnd (grid, true, true, 0);
components = new ListStore (typeof (string), typeof (IComponent));
combo = new ComboBox (components);
CellRenderer rdr = new CellRendererText ();
combo.PackStart (rdr, true);
combo.AddAttribute (rdr, "text", 0);
this.PackStart (combo, false, false, 3);
//for selecting nothing, i.e. deselect all
components.AppendValues (new object[] { "", null} );
combo.Changed += new EventHandler (combo_Changed);
InitialiseServices();
}
void combo_Changed (object sender, EventArgs e)
{
if (suppressChange) return;
TreeIter t;
combo.GetActiveIter(out t);
IComponent comp = (IComponent) components.GetValue(t, 1);
//Tell everybody about the new selection. We'll hear about this too.
selectionService.SetSelectedComponents ((comp == null)? null : new IComponent[] { comp });
}
// We need these services to be present, but we cache references for efficiency
// Whenever new designer host loaded etc, must reinitialise the services
public void InitialiseServices ()
{
//unregister old event handlers
if (selectionService != null)
selectionService.SelectionChanged -= new EventHandler(selectionService_SelectionChanged);
//update references
extenderListService = parentServices.GetService (typeof (IExtenderListService)) as IExtenderListService;
selectionService = parentServices.GetService (typeof (ISelectionService)) as ISelectionService;
changeService = parentServices.GetService (typeof (IComponentChangeService)) as IComponentChangeService;
typeDescriptorFilterService = parentServices.GetService (typeof (ITypeDescriptorFilterService)) as ITypeDescriptorFilterService;
//register event handlers
if (selectionService != null)
selectionService.SelectionChanged += new EventHandler (selectionService_SelectionChanged);
if (changeService != null) {
changeService.ComponentAdded += new ComponentEventHandler (changeService_ComponentAdded);
changeService.ComponentRemoved += new ComponentEventHandler (changeService_ComponentRemoved);
changeService.ComponentRename += new ComponentRenameEventHandler (changeService_ComponentRename);
changeService.ComponentChanged += new ComponentChangedEventHandler (changeService_updateValues);
/*TODO: should we also monitor these?
changeService.ComponentAdding
changeService.ComponentChanging
changeService.ComponentRemoving
*/
}
//get existing components for combo list
IDesignerHost host = parentServices.GetService (typeof (IDesignerHost)) as IDesignerHost;
if (host != null)
foreach (IComponent comp in host.Container.Components)
changeService_ComponentAdded(host.Container, new ComponentEventArgs (comp));
}
void changeService_updateValues (object sender, ComponentChangedEventArgs e)
{
grid.Refresh ();
}
void changeService_ComponentRename (object sender, ComponentRenameEventArgs e)
{
//We just need to rename the right component in the combobox list
TreeIter t;
components.GetIterFirst (out t);
do {
if ((IComponent)components.GetValue (t, 1) == e.Component && (string) components.GetValue(t, 0) == e.OldName) {
components.SetValue (t, 0, e.NewName);
return;
}
} while (components.IterNext (ref t));
}
void changeService_ComponentRemoved (object sender, ComponentEventArgs e)
{
//remove component from combobox list
//need a variable external to foreach so we can pass by ref
TreeIter iter;
components.GetIterFirst (out iter);
do
{
if ((IComponent) components.GetValue (iter, 1) == e.Component)
{
components.Remove (ref iter);
break;
}
}
while (components.IterNext (ref iter));
}
void changeService_ComponentAdded (object sender, ComponentEventArgs e)
{
//simply add to the combobox list
components.AppendValues (new object[] { e.Component.Site.Name, e.Component} );
}
private void selectionService_SelectionChanged (object sender, EventArgs e)
{
//stop combo change event from changing selection again!
suppressChange = true;
grid.CurrentObject = selectionService.PrimarySelection;
TreeIter iter;
components.GetIterFirst (out iter);
do
{
if ((IComponent) components.GetValue (iter, 1) == selectionService.PrimarySelection)
{
combo.SetActiveIter (iter);
break;
}
}
while (components.IterNext (ref iter));
suppressChange = false;
}
}
}
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