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Ooui-tws-port
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Fix bubbling events through nodes

This commit is contained in:
Frank A. Krueger 2017-06-24 13:34:47 -07:00
parent d4bae780d3
commit a780f97578
9 changed files with 118 additions and 59 deletions
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8
Ooui/Canvas.cs
View File

@ -33,16 +33,16 @@ namespace Ooui
}
return context2d;
}
protected override void SaveStateMessageIfNeeded (Message message)
protected override bool SaveStateMessageIfNeeded (Message message)
{
if (message.TargetId == Id) {
switch (message.MessageType) {
case MessageType.Call when message.Key == "getContext" && message.Value is Array a && a.Length == 1 && "2d".Equals (a.GetValue (0)):
AddStateMessage (message);
break;
default:
base.SaveStateMessageIfNeeded (message);
break;
}
}
return base.SaveStateMessageIfNeeded (message);
}
}
}

2
Ooui/Client.js
View File

@ -1,5 +1,5 @@
const debug = true;
const debug = false;
const nodes = {};

12
Ooui/EventTarget.cs
View File

@ -134,7 +134,6 @@ namespace Ooui
{
if (message == null)
return;
if (message.TargetId == Id)
SaveStateMessageIfNeeded (message);
TriggerEventFromMessage (message);
}
@ -149,8 +148,11 @@ namespace Ooui
lock (stateMessages) updater (stateMessages);
}
protected virtual void SaveStateMessageIfNeeded (Message message)
protected virtual bool SaveStateMessageIfNeeded (Message message)
{
if (message.TargetId != Id)
return false;
switch (message.MessageType) {
case MessageType.Create:
AddStateMessage (message);
@ -165,12 +167,15 @@ namespace Ooui
AddStateMessage (message);
break;
}
return true;
}
protected virtual bool TriggerEventFromMessage (Message message)
{
if (message.TargetId != Id)
return false;
List<EventHandler> handlers = null;
lock (eventListeners) {
List<EventHandler> hs;
@ -178,11 +183,12 @@ namespace Ooui
handlers = new List<EventHandler> (hs);
}
}
if (handlers == null) return true;
if (handlers != null) {
var args = EventArgs.Empty;
foreach (var h in handlers) {
h.Invoke (this, args);
}
}
return true;
}
}

11
Ooui/Input.cs
View File

@ -64,6 +64,8 @@ namespace Ooui
public Input ()
: base ("input")
{
// Subscribe to the change event so we always get up-to-date values
Changed += (s, e) => {};
}
public Input (InputType type)
@ -71,6 +73,15 @@ namespace Ooui
{
Type = type;
}
protected override bool TriggerEventFromMessage (Message message)
{
if (message.TargetId == Id && message.MessageType == MessageType.Event && message.Key == "change") {
Value = message.Value != null ? Convert.ToString (message.Value) : "";
return true;
}
return base.TriggerEventFromMessage (message);
}
}
public enum InputType

3
Ooui/Message.cs
View File

@ -29,10 +29,11 @@ namespace Ooui
Value = args,
};
public static Message Event (string targetId, string eventType) => new Message {
public static Message Event (string targetId, string eventType, object value = null) => new Message {
MessageType = MessageType.Event,
TargetId = targetId,
Key = eventType,
Value = value,
};
}

29
Ooui/Node.cs
View File

@ -100,8 +100,9 @@ namespace Ooui
Send (message);
}
protected override void SaveStateMessageIfNeeded (Message message)
protected override bool SaveStateMessageIfNeeded (Message message)
{
if (message.TargetId == Id) {
switch (message.MessageType) {
case MessageType.Call when message.Key == "insertBefore":
AddStateMessage (message);
@ -132,18 +133,32 @@ namespace Ooui
base.SaveStateMessageIfNeeded (message);
break;
}
}
protected override bool TriggerEventFromMessage (Message message)
{
if (base.TriggerEventFromMessage (message))
return true;
}
else {
var ch = Children;
for (var i = 0; i < ch.Count; i++) {
if (ch[i].TriggerEventFromMessage (message))
if (ch[i].SaveStateMessageIfNeeded (message))
return true;
}
return false;
}
}
protected override bool TriggerEventFromMessage (Message message)
{
if (message.TargetId == Id) {
if (base.TriggerEventFromMessage (message))
return true;
}
else {
var ch = Children;
for (var i = 0; i < ch.Count; i++) {
if (ch[i].TriggerEventFromMessage (message))
return true;
}
}
return false;
}
}
}

10
Ooui/TextArea.cs
View File

@ -35,6 +35,8 @@ namespace Ooui
public TextArea ()
: base ("textarea")
{
// Subscribe to the change event so we always get up-to-date values
Changed += (s, e) => {};
}
public TextArea (string text)
@ -42,5 +44,13 @@ namespace Ooui
{
Text = text;
}
protected override bool TriggerEventFromMessage (Message message)
{
if (message.TargetId == Id && message.MessageType == MessageType.Event && message.Key == "change") {
Value = message.Value != null ? Convert.ToString (message.Value) : "";
}
return base.TriggerEventFromMessage (message);
}
}
}

22
Samples/TodoSample.cs
View File

@ -1,21 +1,27 @@
using System;
using System.Collections.Generic;
using Ooui;
namespace Samples
{
public class TodoSample
{
Button MakeTodo ()
Element MakeTodo ()
{
var button = new Button ("Click me!");
button.Style.FontSize = 100;
var count = 0;
var items = new List ();
var input = new Input ();
var button = new Button ("Add the item");
button.Clicked += (s, e) => {
button.Style.FontSize = (int)button.Style.FontSize + 1;
count++;
button.Text = $"Clicked {count} times";
items.AppendChild (new ListItem {
Text = input.Value
});
};
return button;
var app = new Div ();
app.AppendChild (input);
app.AppendChild (button);
app.AppendChild (items);
return app;
}
public void Publish ()

10
Tests/NodeTests.cs
View File

@ -51,5 +51,15 @@ namespace Tests
p.Receive (Message.Event (b.Id, "click"));
Assert.IsTrue (clicked);
}
[TestMethod]
public void ValueBubblesDown ()
{
var p = new Div ();
var b = new Input ();
p.AppendChild (b);
p.Receive (Message.Event (b.Id, "change", "please work"));
Assert.AreEqual ("please work", b.Value);
}
}
}