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//
// Spliter.cs
//
// Author:
// Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
//
// Copyright (c) 2016 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.Xml.Serialization;
using System.ComponentModel;
namespace Crow
{
[DefaultStyle("#Crow.Styles.Splitter.style")]
public class Splitter : GraphicObject
{
#region CTOR
public Splitter (): base(){}
#endregion
int thickness;
[XmlAttributeAttribute()][DefaultValue(1)]
public virtual int Thickness {
get { return thickness; }
set {
if (thickness == value)
return;
thickness = value;
NotifyValueChanged ("Thickness", thickness);
RegisterForLayouting (LayoutingType.Sizing);
RegisterForGraphicUpdate ();
}
}
#region GraphicObject override
public override ILayoutable Parent {
get { return base.Parent; }
set {
if (value != null) {
GenericStack gs = value as GenericStack;
if (gs == null)
throw new Exception ("Splitter may only be chil of stack");
}
base.Parent = value;
}
}
public override void onMouseEnter (object sender, MouseMoveEventArgs e)
{
base.onMouseEnter (sender, e);
if ((Parent as GenericStack).Orientation == Orientation.Horizontal)
Interface.CurrentInterface.MouseCursor = XCursor.H;
else
Interface.CurrentInterface.MouseCursor = XCursor.V;
}
public override void onMouseLeave (object sender, MouseMoveEventArgs e)
{
base.onMouseLeave (sender, e);
Interface.CurrentInterface.MouseCursor = XCursor.Default;
}
public override void onMouseMove (object sender, MouseMoveEventArgs e)
{
base.onMouseMove (sender, e);
if (!IsActive)
return;
GenericStack gs = Parent as GenericStack;
int ptrThis = gs.Children.IndexOf (this);
if (gs.Orientation == Orientation.Horizontal) {
if (ptrThis >= 0)
gs.Children [ptrThis - 1].Width = Math.Max(gs.Children [ptrThis - 1].Slot.Width + e.XDelta*2, 1);
if (ptrThis < gs.Children.Count - 1)
gs.Children [ptrThis + 1].Width = Math.Max(gs.Children [ptrThis + 1].Slot.Width - e.XDelta*2, 1);
} else {
if (ptrThis >= 0)
gs.Children [ptrThis - 1].Height = Math.Max(gs.Children [ptrThis - 1].Slot.Height + e.YDelta*2, 1);
if (ptrThis < gs.Children.Count - 1)
gs.Children [ptrThis + 1].Height = Math.Max(gs.Children [ptrThis + 1].Slot.Height - e.YDelta*2, 1);
}
}
public override bool UpdateLayout (LayoutingType layoutType)
{
GenericStack gs = Parent as GenericStack;
if (layoutType == LayoutingType.Width){
if (gs.Orientation == Orientation.Horizontal)
Width = thickness;
else
Width = 0;
} else if (layoutType == LayoutingType.Height){
if (gs.Orientation == Orientation.Vertical)
Height = thickness;
else
Height = 0;
}
return base.UpdateLayout (layoutType);
}
#endregion
}
}
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