Merge pull request #3 from jpbruyere/LayoutingQueue

Layouting queue

1 files changed, 79 insertions, 0 deletions

diff --git a/src/LayoutingQueue.cs b/src/LayoutingQueue.cs
new file mode 100644
index 00000000..2d96788f
--- /dev/null
+++ b/src/LayoutingQueue.cs
@@ -0,0 +1,79 @@
+//
+//  LayoutingQueue.cs
+//
+//  Author:
+//       Jean-Philippe Bruyère <jp.bruyere@hotmail.com>
+//
+//  Copyright (c) 2015 jp
+//
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace go
+{
+	public class LayoutingQueue : List<LayoutingQueueItem>
+	{
+		public LayoutingQueue ()
+		{
+		}
+		public void Enqueue(LayoutingType _lt, ILayoutable _object)
+		{
+			Interface.LayoutingQueue.RemoveAll(lq => lq.GraphicObject == _object && lq.LayoutType == _lt);
+			Interface.LayoutingQueue.Add (new LayoutingQueueItem (_lt, _object));
+		}
+
+		public void EnqueueAfterParentSizing (LayoutingType _lt, ILayoutable _object)
+		{
+			LayoutingQueueItem lqi = new LayoutingQueueItem (_lt, _object);
+			int idxParentSz = Interface.LayoutingQueue.IndexOf 
+				(Interface.LayoutingQueue.Where(lq => lq.GraphicObject == _object.Parent && lq.LayoutType == _lt).LastOrDefault());
+
+			Interface.LayoutingQueue.Insert (idxParentSz + 1, lqi);			
+		}
+		public void EnqueueBeforeParentSizing (LayoutingType _lt, ILayoutable _object)
+		{
+			LayoutingQueueItem lqi = new LayoutingQueueItem (_lt, _object);
+			int idxParentSz = Interface.LayoutingQueue.IndexOf 
+				(Interface.LayoutingQueue.Where(lq => lq.GraphicObject == _object.Parent && lq.LayoutType == _lt).FirstOrDefault());
+
+			if (idxParentSz < 0)
+				Interface.LayoutingQueue.Enqueue (_lt, _object);
+			else
+				Interface.LayoutingQueue.Insert (idxParentSz, lqi);			
+		}
+		public void EnqueueAfterThisAndParentSizing (LayoutingType _lt, ILayoutable _object)
+		{
+			LayoutingQueueItem lqi = new LayoutingQueueItem (_lt, _object);
+			LayoutingType sizing = LayoutingType.Width;
+
+			if (_lt == LayoutingType.Y)
+				sizing = LayoutingType.Height;
+				
+			int idxW = Interface.LayoutingQueue.IndexOf (Interface.LayoutingQueue.Where
+				(lq => (lq.GraphicObject == _object.Parent || lq.GraphicObject == _object) && lq.LayoutType == sizing).LastOrDefault());
+
+			Interface.LayoutingQueue.Insert (idxW + 1, lqi);			
+		}
+
+		public LayoutingQueueItem Dequeue()
+		{
+			LayoutingQueueItem tmp = this [0];
+			this.RemoveAt (0);
+			return tmp;
+		}
+	}
+}
+