/*
 * Efl.UI container exmaples.
 *
 * Load and pack a selection of containers.
 * Each has it's own unique layout and methods which are demonstrated below.
 */

using System;

public class Example
{
    // quit the app, called if the user clicks the Quit button or the window is hidden
    static void GuiQuitCb(object sender, EventArgs e)
    {
        efl.ui.Config.Exit();
    }

    // Load a simple table layout into the window
    static efl.ui.Table SetupUiTable(efl.ui.Win win)
    {
        efl.ui.Table table = new efl.ui.TableConcrete(win);

        table.SetTableColumns(2);
        table.SetTableDirection(efl.ui.Dir.Right, efl.ui.Dir.Down);

        efl.ui.Button button = new efl.ui.ButtonConcrete(win);
        button.SetText("Long Button");

        table.PackTable(button, 0, 2, 2, 1);

        for (int i = 1; i <= 4; ++i)
        {
            efl.ui.Button btn = new efl.ui.ButtonConcrete(win);
            btn.SetText($"Table {i}");
            table.Pack(btn);
        }

        return table;
    }

    // Load some boxes - a horizontal one for the window layout and a vertical
    // one to contain a flow
    static efl.ui.Box SetupUiBoxes(efl.ui.Win win)
    {
        efl.ui.Box box = new efl.ui.BoxConcrete(win);
        box.SetPackPadding(5, 0, true);

        for (int i = 1; i <= 4; ++i)
        {
            efl.ui.Button button = new efl.ui.ButtonConcrete(win);
            button.SetText($"Boxed {i}");
            if (i == 2)
            {
                eina.Size2D sz;
                sz.W = 100;
                sz.H = 50;
                button.SetHintMax(sz);
            }
            box.Pack(button);
        }

        return box;
    }

    public static void Main()
    {
        efl.All.Init(efl.Components.Ui);

        efl.ui.Win win = new efl.ui.WinConcrete(null, (efl.ui.Win ewin) => {
            ewin.SetWinType(efl.ui.win.Type.Basic);
            ewin.SetText("Hello World");
            ewin.SetAutohide(true);
        });
        eina.Size2D sz;
        sz.W = 350;
        sz.H = 250;
        win.SetSize(sz);

        // when the user clicks "close" on a window there is a request to hide
        win.HIDE += GuiQuitCb;

        // Load a vertical and horizontal split into the window

        efl.ui.Panes split = new efl.ui.PanesConcrete(win);
        split.SetSplitRatio(0.75);
        win.SetContent(split);

        var boxes = SetupUiBoxes(win);
        efl.ContentConcrete.static_cast(split.Part("first")).SetContent(boxes);

        efl.ui.Panes horiz_split = new efl.ui.PanesConcrete(win);
        horiz_split.SetDirection(efl.ui.Dir.Horizontal);
        horiz_split.SetSplitRatio(0.85);
        efl.ContentConcrete.static_cast(split.Part("second")).SetContent(horiz_split);

        var table = SetupUiTable(win);
        efl.ContentConcrete.static_cast(horiz_split.Part("first")).SetContent(table);

        efl.ui.Button quit_btn = new efl.ui.ButtonConcrete(win);
        quit_btn.SetText("Quit");
        sz.W = 150;
        sz.H = 30;
        quit_btn.SetHintMax(sz);
        quit_btn.CLICKED += GuiQuitCb;
        efl.ContentConcrete.static_cast(horiz_split.Part("second")).SetContent(quit_btn);

        // Start event loop
        efl.ui.Config.Run();

        efl.All.Shutdown();
    }
}