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working on save file dialog
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@RonenNess
RonenNess committed Sep 28, 2023
1 parent 3fe63c3 commit c9ddeff
Showing 1 changed file with 174 additions and 17 deletions.
191 changes: 174 additions & 17 deletions GeonBit.UI/Source/Utils/MessageBox.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -6,8 +6,13 @@
// Since: 2017.
//-----------------------------------------------------------------------------
#endregion
using GeonBit.UI.Entities;
using GeonBit.UI.Entities.TextValidators;
using Microsoft.Xna.Framework;

using Microsoft.Xna.Framework.Input;
using System;
using System.Collections.Generic;
using System.IO;

namespace GeonBit.UI.Utils
{
Expand All @@ -32,12 +37,17 @@ public class MessageBoxHandle
/// <summary>
/// Message box panel.
/// </summary>
public Entities.Panel Panel;
public Panel Panel;

/// <summary>
/// Object used to fade out the background.
/// </summary>
public Entities.Entity BackgroundFader;
public Entity BackgroundFader;

/// <summary>
/// Message box bottom buttons.
/// </summary>
public Button[] Buttons;

/// <summary>
/// Hide / close the message box.
Expand Down Expand Up @@ -97,14 +107,14 @@ public class MsgBoxOption
/// <summary>
/// Callback to run when clicked. Return false to leave message box opened (true will close it).
/// </summary>
public System.Func<bool> Callback;
public Func<bool> Callback;

/// <summary>
/// Create the message box option.
/// </summary>
/// <param name="title">Text to write on the button.</param>
/// <param name="callback">Action when clicked. Return false if you want to abort and leave the message opened, return true to close it.</param>
public MsgBoxOption(string title, System.Func<bool> callback)
public MsgBoxOption(string title, Func<bool> callback)
{
Title = title;
Callback = callback;
Expand Down Expand Up @@ -148,20 +158,20 @@ public static MessageBoxHandle ShowMsgBox(string header, string text, MsgBoxOpti

// create panel for messagebox
size = size ?? new Vector2(500, -1);
var panel = new Entities.Panel(size.Value);
var panel = new Panel(size.Value);
ret.Panel = panel;
panel.AddChild(new Entities.Header(header));
panel.AddChild(new Entities.HorizontalLine());
panel.AddChild(new Entities.RichParagraph(text));
panel.AddChild(new Header(header));
panel.AddChild(new HorizontalLine());
panel.AddChild(new RichParagraph(text));

// add to opened boxes counter
OpenedMsgBoxesCount++;

// add rectangle to hide and lock background
Entities.ColoredRectangle fader = null;
ColoredRectangle fader = null;
if (BackgroundFaderColor.A != 0)
{
fader = new Entities.ColoredRectangle(Vector2.Zero, Entities.Anchor.Center);
fader = new ColoredRectangle(Vector2.Zero, Entities.Anchor.Center);
fader.FillColor = new Color(0, 0, 0, 100);
fader.OutlineWidth = 0;
fader.ClickThrough = false;
Expand All @@ -179,21 +189,23 @@ public static MessageBoxHandle ShowMsgBox(string header, string text, MsgBoxOpti
}

// add bottom buttons panel
var buttonsPanel = new Entities.Panel(new Vector2(0, 70),
Entities.PanelSkin.None, size.Value.Y == -1 ? Entities.Anchor.Auto : Entities.Anchor.BottomCenter);
var buttonsPanel = new Panel(new Vector2(0, 60),
PanelSkin.None, size.Value.Y == -1 ? Anchor.Auto : Anchor.BottomCenter);
buttonsPanel.Padding = Vector2.Zero;
panel.AddChild(buttonsPanel);
buttonsPanel.PriorityBonus = -10;

// add all option buttons
var buttonsList = new List<Button>();
var btnSize = new Vector2(options.Length == 1 ? 0f : (1f / options.Length), 60);
foreach (var option in options)
{
// add button entity
var button = new Entities.Button(option.Title, anchor: Entities.Anchor.AutoInline, size: btnSize);
var button = new Button(option.Title, anchor: Anchor.AutoInline, size: btnSize);
button.Identifier = option.Title;

// set click event
button.OnClick += (Entities.Entity ent) =>
button.OnClick += (Entity ent) =>
{
// if need to close message box after clicking this button, close it:
if (option.Callback == null || option.Callback())
Expand All @@ -211,8 +223,10 @@ public static MessageBoxHandle ShowMsgBox(string header, string text, MsgBoxOpti
};

// add button to buttons panel
buttonsList.Add(button);
buttonsPanel.AddChild(button);
}
ret.Buttons = buttonsList.ToArray();

// add panel to given parent
if (parent != null)
Expand All @@ -236,13 +250,156 @@ public static MessageBoxHandle ShowMsgBox(string header, string text, MsgBoxOpti
/// <param name="size">Message box size (if not provided will use default).</param>
/// <param name="extraEntities">Optional array of entities to add to msg box under the text and above the buttons.</param>
/// <param name="onDone">Optional callback to call when this msgbox closes.</param>
/// <returns>Message box panel.</returns>
public static MessageBoxHandle ShowMsgBox(string header, string text, string closeButtonTxt = null, Vector2? size = null, Entities.Entity[] extraEntities = null, System.Action onDone = null)
/// <returns>Message box handle.</returns>
public static MessageBoxHandle ShowMsgBox(string header, string text, string closeButtonTxt = null, Vector2? size = null, Entity[] extraEntities = null, Action onDone = null)
{
return ShowMsgBox(header, text, new MsgBoxOption[]
{
new MsgBoxOption(closeButtonTxt ?? DefaultOkButtonText, null)
}, size: size ?? DefaultMsgBoxSize, extraEntities: extraEntities, onDone: onDone);
}

/// <summary>
/// Open a dialog to select file for saving.
/// </summary>
/// <param name="path">Path to start dialog in.</param>
/// <param name="onSelected">Callback to trigger when a file was selected. Return true to close dialog, false to keep it opened.</param>
/// <param name="onCancel">Callback to trigger when the user hit cancel.</param>
/// <param name="options">File dialog flags.</param>
/// <param name="filterFiles">Optional method to filter file names. Return false to hide files.</param>
/// <param name="filterFolders">Optional method to filter folder names. Return false to hide folders.</param>
/// <param name="title">File dialog title.</param>
/// <param name="message">Optional message to show above files.</param>
/// <param name="saveButtonTxt">String to show on the save file button.</param>
/// <param name="cancelButtonTxt">String to show on the cancel button.</param>
/// <param name="overrideWarning">If not null, will show this warning in a Yes/No prompt if the user tries to select an existing file.</param>
/// <returns>Message box handle.</returns>
public static MessageBoxHandle OpenSaveFileDialog(string path, Func<FileDialogResponse, bool> onSelected, Action onCancel = null!, FileDialogOptions options = FileDialogOptions.Default, Func<string, bool> filterFiles = null!, Func<string, bool> filterFolders = null!, string title = "Save File As..", string message = null!, string saveButtonTxt = "Save File", string cancelButtonTxt = "Cancel", string overrideWarning = "File '<filename>' already exists!\nAre you sure you want to override it?")
{
var currPath = string.IsNullOrEmpty(path) ? Path.GetFullPath(Directory.GetCurrentDirectory()) : Path.GetFullPath(path);

// panel to contain file dialog
var internalPanel = new Panel(new Vector2(0, 0), PanelSkin.None, Anchor.Auto);
internalPanel.Padding = Vector2.Zero;
internalPanel.AdjustHeightAutomatically = true;

// show files and folders
var filesList = new SelectList();
filesList.Size = new Vector2(0, 364);
internalPanel.AddChild(filesList);

// create starting files list
foreach (var file in Directory.GetFiles(currPath))
{
filesList.AddItem(Path.GetFileName(file));
}

// file name input
var filenameInput = new TextInput(false);
filenameInput.PlaceholderText = "Filename";
filenameInput.Validators.Add(new FilenameValidator(true));
filesList.OnValueChange = (Entity entity) => { if (filesList.SelectedValue != null) { filenameInput.Value = filesList.SelectedValue; } };
internalPanel.AddChild(filenameInput);

// create buttons: save
List<MsgBoxOption> buttons = new List<MsgBoxOption>();
buttons.Add(new MsgBoxOption(saveButtonTxt, () =>
{
var selectedPath = Path.Combine(currPath, filenameInput.Value);
var fullPath = Path.GetFullPath(selectedPath);
var close = onSelected?.Invoke(new FileDialogResponse()
{
FullPath = fullPath,
RelativePath = selectedPath,
FileExists = File.Exists(fullPath)
}) ?? true;
return close;
}));

// create buttons: cancel
if (options.HasFlag(FileDialogOptions.ShowCancelButton))
{
buttons.Add(new MsgBoxOption(cancelButtonTxt, () =>
{
onCancel?.Invoke();
return true;
}));
}

// show message box
var handle = ShowMsgBox(title, message ?? string.Empty, buttons.ToArray(), new Entity[] { internalPanel }, size: new Vector2(700, 680));

// make the save button disabled when no file is selected
var saveBtn = handle.Buttons[0];
saveBtn.BeforeDraw = (Entity entity) =>
{
saveBtn.Enabled = !string.IsNullOrEmpty(filenameInput.Value);
if (saveBtn.Enabled)
{
var selectedPath = Path.Combine(currPath, filenameInput.Value);
var fullPath = Path.GetFullPath(selectedPath);
if (!options.HasFlag(FileDialogOptions.AllowOverride) && File.Exists(fullPath))
{
saveBtn.Enabled = false;
}
}
};

// return the handle
return handle;
}
}

/// <summary>
/// Response we get from a file dialog message box.
/// </summary>
public struct FileDialogResponse
{
/// <summary>
/// File path under root.
/// </summary>
public string RelativePath;

/// <summary>
/// Full file path.
/// </summary>
public string FullPath;

/// <summary>
/// If true, the selected file exists.
/// </summary>
public bool FileExists;
}

/// <summary>
/// Flags for file dialogs.
/// </summary>
[Flags]
public enum FileDialogOptions
{
/// <summary>
/// File dialog will display folders and allow entering and leaving folders.
/// </summary>
AllowEnterFolders = 1 << 0,

/// <summary>
/// File dialog will not allow the user to leave the starting path.
/// </summary>
CageInStartingPath = 1 << 1,

/// <summary>
/// Allow picking existing files in save file dialog.
/// </summary>
AllowOverride = 1 << 2,

/// <summary>
/// If true, will add a 'cancel' button to close dialog without selection.
/// </summary>
ShowCancelButton = 1 << 3,

/// <summary>
/// Default file dialog options.
/// </summary>
Default = AllowEnterFolders | AllowOverride | ShowCancelButton
}
}

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