~ubuntu-branches/ubuntu/saucy/monodevelop/saucy-proposed

// ObjectValuePad.cs

//

// Author:

//   Lluis Sanchez Gual <lluis@novell.com>

//

// Copyright (c) 2008 Novell, Inc (http://www.novell.com)

//

// 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 Gtk;

using MonoDevelop.Ide.Gui;

using Mono.Debugging.Client;

namespace MonoDevelop.Debugger

{

	public class ObjectValuePad: IPadContent

	{

		protected ObjectValueTreeView tree;

		ScrolledWindow scrolled;

		bool needsUpdate;

		IPadWindow container;

		bool initialResume;

		StackFrame lastFrame;

		MonoDevelop.Ide.Gui.PadFontChanger fontChanger;

		public Gtk.Widget Control {

			get {

				return scrolled;

			}

		}

		public ObjectValuePad()

		{

			scrolled = new ScrolledWindow ();

			scrolled.HscrollbarPolicy = PolicyType.Automatic;

			scrolled.VscrollbarPolicy = PolicyType.Automatic;

			tree = new ObjectValueTreeView ();

			fontChanger = new PadFontChanger (tree, tree.SetCustomFont, tree.QueueResize);

			tree.AllowEditing = true;

			tree.AllowAdding = false;

			tree.HeadersVisible = true;

			tree.RulesHint = true;

			scrolled.Add (tree);

			scrolled.ShowAll ();

			DebuggingService.CurrentFrameChanged += OnFrameChanged;

			DebuggingService.PausedEvent += OnDebuggerPaused;

			DebuggingService.ResumedEvent += OnDebuggerResumed;

			DebuggingService.StoppedEvent += OnDebuggerStopped;

			DebuggingService.EvaluationOptionsChanged += OnEvaluationOptionsChanged;

			needsUpdate = true;

			initialResume = true;

		}

		public void Dispose ()

		{

			if (fontChanger == null)

				return;

			fontChanger.Dispose ();

			fontChanger = null;

			DebuggingService.CurrentFrameChanged -= OnFrameChanged;

			DebuggingService.PausedEvent -= OnDebuggerPaused;

			DebuggingService.ResumedEvent -= OnDebuggerResumed;

			DebuggingService.StoppedEvent -= OnDebuggerStopped;

			DebuggingService.EvaluationOptionsChanged -= OnEvaluationOptionsChanged;

		}

		public void Initialize (IPadWindow container)

		{

			this.container = container;

			container.PadContentShown += delegate {

				if (needsUpdate)

					OnUpdateList ();

			};

		}

		public void RedrawContent ()

		{

		}

		public virtual void OnUpdateList ()

		{

			needsUpdate = false;

			if (DebuggingService.CurrentFrame != null && DebuggingService.CurrentFrame != lastFrame)

				tree.Frame = DebuggingService.CurrentFrame;

			lastFrame = DebuggingService.CurrentFrame;

		}

		void OnFrameChanged (object s, EventArgs a)

		{

			if (container != null && container.ContentVisible)

				OnUpdateList ();

			else

				needsUpdate = true;

		}

		void OnDebuggerPaused (object s, EventArgs a)

		{

			tree.Sensitive = true;

		}

		void OnDebuggerResumed (object s, EventArgs a)

		{

			if (!initialResume)

				tree.ChangeCheckpoint ();

			initialResume = false;

			tree.Sensitive = false;

		}

		void OnDebuggerStopped (object s, EventArgs a)

		{

			tree.ResetChangeTracking ();

			tree.Sensitive = false;

			initialResume = true;

		}

		void OnEvaluationOptionsChanged (object s, EventArgs a)

		{

			if (!DebuggingService.IsRunning) {

				lastFrame = null;

				if (container != null && container.ContentVisible)

					OnUpdateList ();

				else

					needsUpdate = true;

			}

		}

	}

}