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using System;
using Xwt;
using Xwt.Drawing;
namespace Samples
{
public class ListView1: VBox
{
DataField<string> name = new DataField<string> ();
DataField<Image> icon = new DataField<Image> ();
DataField<string> text = new DataField<string> ();
DataField<Image> icon2 = new DataField<Image> ();
DataField<CellData> progress = new DataField<CellData> ();
public ListView1 ()
{
PackStart (new Label ("The listview should have a red background"));
ListView list = new ListView ();
ListStore store = new ListStore (name, icon, text, icon2, progress);
list.DataSource = store;
list.Columns.Add ("Name", icon, name);
list.Columns.Add ("Text", icon2, text);
list.Columns.Add ("Progress", new TextCellView () { TextBinding = text }, new CustomCell () { ValueField = progress });
var png = Image.FromResource (typeof(App), "class.png");
Random rand = new Random ();
for (int n=0; n<100; n++) {
var r = store.AddRow ();
store.SetValue (r, icon, png);
store.SetValue (r, name, "Value " + n);
store.SetValue (r, icon2, png);
store.SetValue (r, text, "Text " + n);
store.SetValue (r, progress, new CellData { Value = rand.Next () % 100 });
}
PackStart (list, true);
list.RowActivated += delegate(object sender, ListViewRowEventArgs e) {
MessageDialog.ShowMessage ("Row " + e.RowIndex + " activated");
};
Menu contextMenu = new Menu ();
contextMenu.Items.Add (new MenuItem ("Test menu"));
list.ButtonPressed += delegate(object sender, ButtonEventArgs e) {
int row = list.GetRowAtPosition(new Point(e.X, e.Y));
if (e.Button == PointerButton.Right && row >= 0) {
// Set actual row to selected
list.SelectRow(row);
contextMenu.Popup(list, e.X, e.Y);
}
};
var but = new Button ("Scroll one line");
but.Clicked += delegate {
list.VerticalScrollControl.Value += list.VerticalScrollControl.StepIncrement;
};
PackStart (but);
}
}
class CellData
{
public int Value;
public double YPos = -1;
}
class CustomCell: CanvasCellView
{
public Binding ValueField { get; set; }
protected override Size OnGetRequiredSize ()
{
return new Size (200, 10);
}
protected override void OnDraw (Context ctx, Rectangle cellArea)
{
ctx.Rectangle (BackgroundBounds);
ctx.SetColor (new Color (0.9, 0.9, 0.9));
ctx.Fill ();
ctx.Rectangle (Bounds);
ctx.SetColor (new Color (0.7, 0.7, 0.7));
ctx.Fill ();
var pct = GetValue<CellData> (ValueField);
var size = (cellArea.Width * pct.Value) / 100f;
cellArea.Width = (int) size;
ctx.SetLineWidth (1);
ctx.Rectangle (cellArea.Inflate (-0.5, -0.5));
ctx.SetColor (Selected ? Colors.Blue : Colors.LightBlue);
ctx.FillPreserve ();
ctx.SetColor (Colors.Gray);
ctx.Stroke ();
if (pct.YPos != -1) {
ctx.MoveTo (cellArea.Right, Bounds.Y + pct.YPos);
ctx.Arc (cellArea.Right, Bounds.Y + pct.YPos, 2.5, 0, 360);
ctx.SetColor (Colors.Red);
ctx.Fill ();
}
}
protected override void OnMouseMoved (MouseMovedEventArgs args)
{
var data = GetValue<CellData> (ValueField);
data.Value = (int) (100 * ((args.X - Bounds.X) / Bounds.Width));
data.YPos = args.Y - Bounds.Y;
QueueDraw ();
base.OnMouseMoved (args);
}
protected override void OnButtonPressed (ButtonEventArgs args)
{
Console.WriteLine ("Press: " + args.Position);
base.OnButtonPressed (args);
}
protected override void OnButtonReleased (ButtonEventArgs args)
{
Console.WriteLine ("Release: " + args.Position);
base.OnButtonReleased (args);
}
}
}
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