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using System;
using System.Xml.Serialization;
using System.ComponentModel;
using OpenTK.Input;
namespace Crow
{
[DefaultStyle("#Crow.Styles.Popper.style")]
[DefaultTemplate("#Crow.Templates.Popper.goml")]
public class Popper : TemplatedContainer
{
#region CTOR
public Popper() : base()
{
}
#endregion
bool _isPopped;
string caption;
string image;
GraphicObject _content;
public event EventHandler Pop;
public event EventHandler Unpop;
public override GraphicObject Content {
get { return _content; }
set {
if (_content != null) {
_content.LogicalParent = null;
_content.LayoutChanged -= _content_LayoutChanged;
_content.MouseLeave -= onMouseLeave;
}
_content = value;
if (_content == null)
return;
_content.LogicalParent = this;
_content.LayoutChanged += _content_LayoutChanged;
_content.MouseLeave += onMouseLeave;
}
}
protected void _content_LayoutChanged (object sender, LayoutingEventArgs e)
{
ILayoutable tc = Content.Parent as ILayoutable;
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 ClearBinding ()
{
//ensure popped window is cleared
if (Content != null) {
if (Content.Parent != null)
Interface.CurrentInterface.DeleteWidget (Content);
}
base.ClearBinding ();
}
public override void ResolveBindings ()
{
base.ResolveBindings ();
if (Content != null)
Content.ResolveBindings ();
}
public override void onMouseClick (object sender, MouseButtonEventArgs e)
{
IsPopped = !IsPopped;
base.onMouseClick (sender, e);
}
public override void onMouseLeave (object sender, MouseMoveEventArgs e)
{
base.onMouseLeave (sender, e);
if (MouseIsIn (e.Position))
return;
if (_content == null)
return;
try {
if (_content.MouseIsIn (e.Position))
return;
} catch (Exception ex) {}
IsPopped = false;
}
#endregion
#region Public Properties
[XmlAttributeAttribute()][DefaultValue("Popper")]
public string Caption {
get { return caption; }
set {
if (caption == value)
return;
caption = value;
NotifyValueChanged ("Caption", caption);
}
}
[XmlAttributeAttribute()][DefaultValue("#Crow.Images.Icons.expandable.svg")]
public string Image {
get { return image; }
set {
if (image == value)
return;
image = value;
NotifyValueChanged ("Image", image);
}
}
[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);
}
}
Alignment popDirection;
[XmlAttributeAttribute()][DefaultValue(Alignment.Bottom)]
public virtual Alignment PopDirection {
get { return popDirection; }
set {
if (popDirection == value)
return;
popDirection = value;
NotifyValueChanged ("PopDirection", popDirection);
}
}
#endregion
public virtual void onPop(object sender, EventArgs e)
{
if (Interface.CurrentInterface == null)
return;
if (Content != null) {
Content.Visible = true;
if (Content.Parent == null)
Interface.CurrentInterface.AddWidget (Content);
Interface.CurrentInterface.PutOnTop (Content);
_content_LayoutChanged (this, new LayoutingEventArgs (LayoutingType.Sizing));
}
Pop.Raise (this, e);
}
public virtual void onUnpop(object sender, EventArgs e)
{
if (Interface.CurrentInterface == null)
return;
if (Content != null)
Content.Visible = false;
Unpop.Raise (this, e);
}
}
}
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