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PowerControl: Move Menu.cs into Menu/

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This commit is contained in:
Kamil Trzciński 2022-12-19 22:03:45 +01:00
parent c2ea59d253
commit bbc4cf8200
5 changed files with 476 additions and 480 deletions
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178
PowerControl/Menu/MenuRoot.cs Normal file
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@ -0,0 +1,178 @@
using System.Text;
namespace PowerControl.Menu
{
public class MenuRoot : MenuItem
{
public IList<MenuItem> Items { get; set; } = new List<MenuItem>();
public MenuItem Selected;
public delegate void VisibleChangedDelegate();
public VisibleChangedDelegate? VisibleChanged;
public MenuItem this[String name]
{
get
{
foreach (var item in Items)
{
if (item.Name == name)
return item;
}
return null;
}
}
public override void CreateMenu(ToolStripItemCollection collection)
{
foreach (var item in Items)
item.CreateMenu(collection);
}
public override void Update()
{
foreach (var item in Items)
item.Update();
}
public override void Reset()
{
foreach (var item in Items)
item.Reset();
if (VisibleChanged != null)
VisibleChanged();
}
public override string Render(MenuItem parentSelected)
{
var sb = new StringBuilder();
sb.AppendJoin("", Helpers);
if (Name != "")
sb.AppendLine(Color(Name, Colors.Blue));
foreach (var item in Items)
{
if (!item.Visible)
continue;
var lines = item.Render(Selected).Split("\r\n").Select(line => " " + line);
foreach (var line in lines)
sb.AppendLine(line);
}
return sb.ToString();
}
public bool Show()
{
if (Visible)
return false;
Visible = true;
Update();
if (VisibleChanged != null)
VisibleChanged();
return true;
}
public void Prev()
{
if (Show())
return;
int index = Items.IndexOf(Selected);
if (index < 0)
index = Items.Count; // select last item
for (int i = 0; i < Items.Count; i++)
{
index = (index - 1 + Items.Count) % Items.Count;
var item = Items[index];
if (item.Visible && item.Selectable)
{
Selected = item;
if (VisibleChanged != null)
VisibleChanged();
return;
}
}
}
public void Next()
{
if (Show())
return;
int index = Items.IndexOf(Selected);
if (index < 0)
index = -1; // select first item
for (int i = 0; i < Items.Count; i++)
{
index = (index + 1) % Items.Count;
var item = Items[index];
if (item.Visible && item.Selectable)
{
Selected = item;
if (VisibleChanged != null)
VisibleChanged();
return;
}
}
}
public override void SelectNext()
{
if (Show())
return;
if (Selected != null)
{
Selected.SelectNext();
if (VisibleChanged != null)
VisibleChanged();
}
}
public void SelectNext(String name)
{
var item = this[name];
if (item is null)
return;
Show();
Selected = item;
item.SelectNext();
if (VisibleChanged != null)
VisibleChanged();
}
public override void SelectPrev()
{
if (Show())
return;
if (Selected != null)
{
Selected.SelectPrev();
if (VisibleChanged != null)
VisibleChanged();
}
}
public void SelectPrev(String name)
{
var item = this[name];
if (item is null)
return;
Show();
Selected = item;
item.SelectPrev();
if (VisibleChanged != null)
VisibleChanged();
}
}
}