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KeyMap.cs
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230 lines (202 loc) · 6.71 KB
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/********
* @version : 1.6.0 - Ext.NET Pro License
* @author : Ext.NET, Inc. http://www.ext.net/
* @date : 2012-11-21
* @copyright : Copyright (c) 2007-2012, Ext.NET, Inc. (http://www.ext.net/). All rights reserved.
* @license : See license.txt and http://www.ext.net/license/.
********/
using System;
using System.ComponentModel;
using System.Drawing;
using System.Text;
using System.Web.UI;
using Ext.Net.Utilities;
namespace Ext.Net
{
/// <summary>
/// Handles mapping keys to actions for an element.
/// </summary>
[Meta]
[DefaultProperty("Keys")]
[ParseChildren(true, "Keys")]
[ToolboxData("<{0}:KeyMap runat=\"server\"></{0}:KeyMap>")]
[ToolboxBitmap(typeof(KeyMap), "Build.ToolboxIcons.KeyMap.bmp")]
[Designer(typeof(EmptyDesigner))]
[Description("Handles mapping keys to actions for an element.")]
public partial class KeyMap : Observable
{
/// <summary>
///
/// </summary>
[Description("")]
public KeyMap() { }
/// <summary>
///
/// </summary>
[Category("0. About")]
[Description("")]
public override string InstanceOf
{
get
{
return "Ext.KeyMap";
}
}
internal override string GetClientConstructor(bool instanceOnly, string body)
{
if (this.Target.IsEmpty())
{
throw new ArgumentNullException("Target", "The Target must defined for KeyMap control");
}
if (this.Keys.Count == 0)
{
return "";
}
string template = (instanceOnly) ? "new {1}(Ext.net.getEl({2}),{3}{4})" : "this.{0}=new {1}(Ext.net.getEl({2}),{3}{4});";
return string.Format(template, this.ClientID,
"Ext.KeyMap",
this.TargetProxy,
this.KeysProxy,
this.EventName.IsEmpty() ? "" : "," + JSON.Serialize(this.EventName));
}
private KeyBindingCollection keys;
/// <summary>
/// A KeyMap config object (in the format expected by Ext.KeyMap.addBinding used to assign custom key handling to this panel (defaults to null).
/// </summary>
[Meta]
[ConfigOption("keys", JsonMode.Array)]
[Category("3. KeyMap")]
[NotifyParentProperty(true)]
[ViewStateMember]
[PersistenceMode(PersistenceMode.InnerDefaultProperty)]
[Description("A KeyMap config object (in the format expected by Ext.KeyMap.addBinding used to assign custom key handling to this panel (defaults to null).")]
public virtual KeyBindingCollection Keys
{
get
{
if (this.keys == null)
{
this.keys = new KeyBindingCollection();
this.keys.AfterItemAdd += this.AfterKeyBindingAdd;
}
return this.keys;
}
}
private string KeysProxy
{
get
{
if (this.Keys.Count == 1)
{
return new ClientConfig().SerializeInternal(this.Keys[0], this);
}
else
{
StringBuilder sb = new StringBuilder();
bool comma = false;
sb.Append("[");
foreach (KeyBinding keyBinding in this.Keys)
{
if (comma)
{
sb.Append(",");
}
sb.Append(new ClientConfig().SerializeInternal(keyBinding, this));
comma = true;
}
sb.Append("]");
return sb.ToString();
}
}
}
/// <summary>
///
/// </summary>
/// <param name="keyBinding"></param>
[Description("")]
protected virtual void AfterKeyBindingAdd(KeyBinding keyBinding)
{
keyBinding.Owner = this;
keyBinding.Listeners.Event.Owner = this;
}
private string TargetProxy
{
get
{
string parsedTarget = TokenUtils.ParseTokens(this.Target, this);
if (TokenUtils.IsRawToken(parsedTarget))
{
return TokenUtils.ReplaceRawToken(parsedTarget);
}
return "\"".ConcatWith(parsedTarget, "\"");
}
}
/// <summary>
/// The element to bind to
/// </summary>
[Meta]
[Category("3. KeyMap")]
[DefaultValue("")]
[Description("The element to bind to")]
public virtual string Target
{
get
{
return (string)this.ViewState["Target"] ?? "";
}
set
{
this.ViewState["Target"] = value;
}
}
/// <summary>
/// (optional) The event to bind to (defaults to 'keydown')
/// </summary>
[Meta]
[Category("3. KeyMap")]
[DefaultValue("")]
[Description("(optional) The event to bind to (defaults to 'keydown')")]
public virtual string EventName
{
get
{
return (string)this.ViewState["EventName"] ?? "";
}
set
{
this.ViewState["EventName"] = value;
}
}
/* Public Methods
-----------------------------------------------------------------------------------------------*/
/// <summary>
///
/// </summary>
[Meta]
[Description("")]
public void Enable()
{
this.Call("enable");
}
/// <summary>
///
/// </summary>
[Meta]
[Description("")]
public void Disable()
{
this.Call("disable");
}
/// <summary>
///
/// </summary>
/// <param name="keyBinding"></param>
[Meta]
[Description("")]
public void AddKeyBinding(KeyBinding keyBinding)
{
RequestManager.EnsureDirectEvent();
this.Call("addBinding", new JRawValue(new ClientConfig().SerializeInternal(keyBinding, this)));
}
}
}