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//
// 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 Crow
{
public class LayoutingQueue : List<LayoutingQueueItem>
{
public LayoutingQueue ()
{
}
public void Enqueue(LayoutingType _lt, ILayoutable _object)
{
this.Add (new LayoutingQueueItem (_lt, _object));
}
LayoutingQueueItem searchLqi(ILayoutable go, LayoutingType lt){
return go.RegisteredLQIs.Where(lq => lq.LayoutType == lt).LastOrDefault();
}
public void EnqueueAfterParentSizing (LayoutingType _lt, ILayoutable _object)
{
LayoutingQueueItem lqi = new LayoutingQueueItem (_lt, _object);
LayoutingQueueItem parentLqi = searchLqi (_object.Parent, _lt);
if (parentLqi == null)
this.Insert (0, lqi);
else
this.Insert (this.IndexOf (parentLqi) + 1, lqi);
}
public void EnqueueBeforeParentSizing (LayoutingType _lt, ILayoutable _object)
{
LayoutingQueueItem lqi = new LayoutingQueueItem (_lt, _object);
LayoutingQueueItem parentLqi = searchLqi (_object.Parent, _lt);
if (parentLqi == null)
this.Add (lqi);
else
this.Insert (this.IndexOf (parentLqi), 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;
LayoutingQueueItem parentLqi = searchLqi (_object.Parent, sizing);
LayoutingQueueItem thisLqi = searchLqi (_object, sizing);
int idx = -1;
if (parentLqi == null) {
if (thisLqi != null)
idx = this.IndexOf (thisLqi);
} else {
if (thisLqi == null)
idx = this.IndexOf (parentLqi);
else
idx = Math.Max(this.IndexOf (parentLqi), this.IndexOf (thisLqi));
}
this.Insert (idx + 1, lqi);
}
public LayoutingQueueItem Dequeue()
{
LayoutingQueueItem tmp = this [0];
tmp.DeleteLayoutableRef ();
this.RemoveAt (0);
return tmp;
}
}
}
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