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//
// Popper.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;
using OpenTK.Input;
namespace Crow
{
public class Popper : TemplatedContainer
{
#region CTOR
public Popper() : base()
{
}
#endregion
bool _isPopped, _canPop;
string caption;
Alignment popDirection;
GraphicObject _content;
public event EventHandler Pop;
public event EventHandler Unpop;
#region Public Properties
[XmlAttributeAttribute()][DefaultValue("Popper")]
public string Caption {
get { return caption; }
set {
if (caption == value)
return;
caption = value;
NotifyValueChanged ("Caption", caption);
}
}
[XmlAttributeAttribute()][DefaultValue(false)]
public bool IsPopped
{
get { return _isPopped; }
set
{
if (value == _isPopped)
return;
_isPopped = value;
NotifyValueChanged ("IsPopped", _isPopped);
if (_isPopped)
onPop (this, null);
else
onUnpop (this, null);
}
}
[XmlAttributeAttribute()][DefaultValue(true)]
public bool CanPop
{
get { return _canPop; }
set
{
if (value == _canPop)
return;
_canPop = value;
NotifyValueChanged ("CanPop", _canPop);
}
}
[XmlAttributeAttribute()][DefaultValue(Alignment.Bottom)]
public virtual Alignment PopDirection {
get { return popDirection; }
set {
if (popDirection == value)
return;
popDirection = value;
NotifyValueChanged ("PopDirection", popDirection);
}
}
#endregion
public override GraphicObject Content {
get { return _content; }
set {
if (_content != null) {
_content.LogicalParent = null;
_content.LayoutChanged -= _content_LayoutChanged;
}
_content = value;
if (_content == null)
return;
_content.LogicalParent = this;
_content.HorizontalAlignment = HorizontalAlignment.Left;
_content.VerticalAlignment = VerticalAlignment.Top;
_content.LayoutChanged += _content_LayoutChanged;
}
}
protected void _content_LayoutChanged (object sender, LayoutingEventArgs e)
{
ILayoutable tc = Content.Parent;
if (tc == null)
return;
Rectangle r = this.ScreenCoordinates (this.Slot);
if (e.LayoutType.HasFlag(LayoutingType.Width)) {
if (popDirection.HasFlag (Alignment.Right)) {
if (r.Right + Content.Slot.Width > tc.ClientRectangle.Right)
Content.Left = r.Left - Content.Slot.Width;
else
Content.Left = r.Right;
} else if (popDirection.HasFlag (Alignment.Left)) {
if (r.Left - Content.Slot.Width < tc.ClientRectangle.Left)
Content.Left = r.Right;
else
Content.Left = r.Left - Content.Slot.Width;
} else {
if (Content.Slot.Width < tc.ClientRectangle.Width) {
if (r.Left + Content.Slot.Width > tc.ClientRectangle.Right)
Content.Left = tc.ClientRectangle.Right - Content.Slot.Width;
else
Content.Left = r.Left;
} else
Content.Left = 0;
}
}
if (e.LayoutType.HasFlag(LayoutingType.Height)) {
if (Content.Slot.Height < tc.ClientRectangle.Height) {
if (PopDirection.HasFlag (Alignment.Bottom)) {
if (r.Bottom + Content.Slot.Height > tc.ClientRectangle.Bottom)
Content.Top = r.Top - Content.Slot.Height;
else
Content.Top = r.Bottom;
} else if (PopDirection.HasFlag (Alignment.Top)) {
if (r.Top - Content.Slot.Height < tc.ClientRectangle.Top)
Content.Top = r.Bottom;
else
Content.Top = r.Top - Content.Slot.Height;
} else
Content.Top = r.Top;
}else
Content.Top = 0;
}
}
#region GraphicObject overrides
public override void OnLayoutChanges (LayoutingType layoutType)
{
base.OnLayoutChanges (layoutType);
if (_content == null)
return;
if (layoutType == LayoutingType.Width)
_content.MinimumSize = new Size (this.Slot.Width, _content.MinimumSize.Height);
}
public override void onMouseClick (object sender, MouseButtonEventArgs e)
{
if (_canPop)
IsPopped = !IsPopped;
base.onMouseClick (this, e);
}
public override void onMouseLeave (object sender, MouseMoveEventArgs e)
{
base.onMouseLeave (this, e);
IsPopped = false;
}
public override bool MouseIsIn (Point m)
{
bool isInContent = false;
if (Content != null) {
if (Content.Parent != null)
isInContent = Content.MouseIsIn (m);
}
return base.MouseIsIn (m) || isInContent;
}
public override void checkHoverWidget (MouseMoveEventArgs e)
{
if (CurrentInterface.HoverWidget != this) {
CurrentInterface.HoverWidget = this;
onMouseEnter (this, e);
}
if (Content != null){
if (Content.Parent != null) {
if (Content.MouseIsIn (e.Position)) {
Content.checkHoverWidget (e);
return;
}
}
}
base.checkHoverWidget (e);
}
#endregion
public virtual void onPop(object sender, EventArgs e)
{
if (Content != null) {
Content.Visible = true;
if (Content.Parent == null)
CurrentInterface.AddWidget (Content);
CurrentInterface.PutOnTop (Content);
_content_LayoutChanged (this, new LayoutingEventArgs (LayoutingType.Sizing));
}
Pop.Raise (this, e);
}
public virtual void onUnpop(object sender, EventArgs e)
{
if (Content != null)
Content.Visible = false;
Unpop.Raise (this, e);
}
}
}
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