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cleaned up the demos a bit

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Ellpeck 2020-05-14 15:42:40 +02:00
parent f5043eea30
commit f72962808b
2 changed files with 91 additions and 105 deletions
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43
Demos/GameImpl.cs
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@ -1,5 +1,6 @@
using System; using System;
using System.Collections.Generic; using System.Collections.Generic;
using System.Linq;
using Microsoft.Xna.Framework; using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics; using Microsoft.Xna.Framework.Graphics;
using MLEM.Font; using MLEM.Font;
@ -12,17 +13,17 @@ using MLEM.Ui.Style;
namespace Demos { namespace Demos {
public class GameImpl : MlemGame { public class GameImpl : MlemGame {
private static readonly Dictionary<string, Func<MlemGame, Demo>> Demos = new Dictionary<string, Func<MlemGame, Demo>>(); private static readonly Dictionary<string, (string, Func<MlemGame, Demo>)> Demos = new Dictionary<string, (string, Func<MlemGame, Demo>)>();
private Demo activeDemo; private Demo activeDemo;
private double fpsTime; private double fpsTime;
private int lastFps; private int lastFps;
private int fpsCounter; private int fpsCounter;
static GameImpl() { static GameImpl() {
Demos.Add("Ui", game => new UiDemo(game)); Demos.Add("Ui", ("An in-depth demonstration of the MLEM.Ui package and its abilities", game => new UiDemo(game)));
Demos.Add("Animation and Texture Atlas", game => new AnimationDemo(game)); Demos.Add("Animation and Texture Atlas", ("An example of UniformTextureAtlases, SpriteAnimations and SpriteAnimationGroups", game => new AnimationDemo(game)));
Demos.Add("Auto Tiling", game => new AutoTilingDemo(game)); Demos.Add("Auto Tiling", ("A demonstration of the AutoTiling class that MLEM provides", game => new AutoTilingDemo(game)));
Demos.Add("Pathfinding", game => new PathfindingDemo(game)); Demos.Add("Pathfinding", ("An example of MLEM's A* pathfinding implementation in 2D", game => new PathfindingDemo(game)));
} }
public GameImpl() { public GameImpl() {
@ -45,34 +46,38 @@ namespace Demos {
this.UiSystem.AutoScaleWithScreen = true; this.UiSystem.AutoScaleWithScreen = true;
this.UiSystem.GlobalScale = 5; this.UiSystem.GlobalScale = 5;
var selection = new Panel(Anchor.Center, new Vector2(100, 80), Vector2.Zero, false, true, new Point(5, 10)); var ui = new Group(Anchor.TopLeft, Vector2.One, false);
this.UiSystem.Add("DemoSelection", selection); this.UiSystem.Add("DemoUi", ui);
var selection = ui.AddChild(new Panel(Anchor.Center, new Vector2(100, 80), Vector2.Zero, true));
var backButton = new Button(Anchor.TopRight, new Vector2(30, 10), "Back") { var backButton = ui.AddChild(new Button(Anchor.TopRight, new Vector2(30, 10), "Back") {
OnPressed = e => { OnPressed = e => {
this.activeDemo.Clear(); this.activeDemo.Clear();
this.activeDemo = null; this.activeDemo = null;
this.UiSystem.Remove("BackButton"); selection.IsHidden = false;
this.UiSystem.Add("DemoSelection", selection); e.IsHidden = true;
} selection.Root.SelectElement(selection.GetChildren().First(c => c.CanBeSelected));
}; },
IsHidden = true
});
selection.AddChild(new Paragraph(Anchor.AutoLeft, 1, "Select the demo you want to see below. Check the demos' source code for more in-depth explanations of their functionality.")); selection.AddChild(new Paragraph(Anchor.AutoLeft, 1, "Select the demo you want to see below using your mouse, touch input, your keyboard or a controller. Check the demos' source code for more in-depth explanations of their functionality."));
selection.AddChild(new VerticalSpace(5)); selection.AddChild(new VerticalSpace(5));
foreach (var demo in Demos) { foreach (var demo in Demos) {
selection.AddChild(new Button(Anchor.AutoCenter, new Vector2(1, 10), demo.Key) { selection.AddChild(new Button(Anchor.AutoCenter, new Vector2(1, 10), demo.Key, demo.Value.Item1) {
OnPressed = e => { OnPressed = e => {
this.UiSystem.Remove("DemoSelection"); selection.IsHidden = true;
this.UiSystem.Add("BackButton", backButton); backButton.IsHidden = false;
backButton.Root.SelectElement(backButton);
this.activeDemo = demo.Value.Invoke(this); this.activeDemo = demo.Value.Item2.Invoke(this);
this.activeDemo.LoadContent(); this.activeDemo.LoadContent();
}, },
PositionOffset = new Vector2(0, 1) PositionOffset = new Vector2(0, 1)
}); });
} }
this.UiSystem.Add("Fps", new Paragraph(Anchor.TopLeft, 1, p => "FPS: " + this.lastFps)); ui.AddChild(new Paragraph(Anchor.TopLeft, 1, p => "FPS: " + this.lastFps));
} }
protected override void DoDraw(GameTime gameTime) { protected override void DoDraw(GameTime gameTime) {

153
Demos/UiDemo.cs
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@ -17,18 +17,11 @@ using MLEM.Ui.Elements;
using MLEM.Ui.Style; using MLEM.Ui.Style;
namespace Demos { namespace Demos {
/// <remarks>
/// NOTE: This ui demo derives from <see cref="MlemGame"/>. To use MLEM.Ui, it's not required to use MLEM.Startup (which MlemGame is a part of).
/// If using your own game class that derives from <see cref="Game"/>, however, you will have to do a few additional things to get MLEM.Ui up and running:
/// - Create an instance of <see cref="UiSystem"/>
/// - Call the instance's Update method in your game's Update method
/// - Call the instance's DrawEarly method before clearing your <see cref="GraphicsDevice"/>
/// - Call the instance's Draw method in your game's Draw method
/// </remarks>
public class UiDemo : Demo { public class UiDemo : Demo {
private Texture2D testTexture; private Texture2D testTexture;
private NinePatch testPatch; private NinePatch testPatch;
private Panel root;
public UiDemo(MlemGame game) : base(game) { public UiDemo(MlemGame game) : base(game) {
} }
@ -36,7 +29,6 @@ namespace Demos {
public override void LoadContent() { public override void LoadContent() {
this.testTexture = LoadContent<Texture2D>("Textures/Test"); this.testTexture = LoadContent<Texture2D>("Textures/Test");
this.testPatch = new NinePatch(new TextureRegion(this.testTexture, 0, 8, 24, 24), 8); this.testPatch = new NinePatch(new TextureRegion(this.testTexture, 0, 8, 24, 24), 8);
var tree = new TextureRegion(LoadContent<Texture2D>("Textures/Tree"));
base.LoadContent(); base.LoadContent();
// create a new style // create a new style
@ -69,66 +61,66 @@ namespace Demos {
this.UiSystem.AutoScaleWithScreen = true; this.UiSystem.AutoScaleWithScreen = true;
// create the root panel that all the other components sit on and add it to the ui system // create the root panel that all the other components sit on and add it to the ui system
var root = new Panel(Anchor.Center, new Vector2(80, 100), Vector2.Zero, false, true, new Point(5, 10)); this.root = new Panel(Anchor.Center, new Vector2(80, 100), Vector2.Zero, false, true, new Point(5, 10));
root.ScrollBar.SmoothScrolling = true; this.root.ScrollBar.SmoothScrolling = true;
this.UiSystem.Add("Test", root); // add the root to the demos' ui
this.UiSystem.Get("DemoUi").Element.AddChild(this.root);
root.AddChild(new Paragraph(Anchor.AutoLeft, 1, "This is a small demo for MLEM.Ui, a user interface library that is part of (M)LEM (L)ibrary by (E)llpeck for (M)onoGame.")); this.root.AddChild(new Paragraph(Anchor.AutoLeft, 1, "This is a small demo for MLEM.Ui, a user interface library that is part of (M)LEM (L)ibrary by (E)llpeck for (M)onoGame."));
var image = root.AddChild(new Image(Anchor.AutoCenter, new Vector2(50, 50), new TextureRegion(this.testTexture, 0, 0, 8, 8)) {IsHidden = true, Padding = new Vector2(3)}); var image = this.root.AddChild(new Image(Anchor.AutoCenter, new Vector2(50, 50), new TextureRegion(this.testTexture, 0, 0, 8, 8)) {IsHidden = true, Padding = new Vector2(3)});
// Setting the x or y coordinate of the size to 1 or a lower number causes the width or height to be a percentage of the parent's width or height // Setting the x or y coordinate of the size to 1 or a lower number causes the width or height to be a percentage of the parent's width or height
// (for example, setting the size's x to 0.75 would make the element's width be 0.75*parentWidth) // (for example, setting the size's x to 0.75 would make the element's width be 0.75*parentWidth)
root.AddChild(new Button(Anchor.AutoCenter, new Vector2(1, 10), "Toggle Test Image", "This button shows a grass tile as a test image to show the automatic anchoring of objects.") { this.root.AddChild(new Button(Anchor.AutoCenter, new Vector2(1, 10), "Toggle Grass Image", "This button shows a grass tile above it to show the automatic anchoring of objects.") {
OnPressed = element => image.IsHidden = !image.IsHidden OnPressed = element => image.IsHidden = !image.IsHidden
}); });
root.AddChild(new VerticalSpace(3)); this.root.AddChild(new VerticalSpace(3));
root.AddChild(new Paragraph(Anchor.AutoLeft, 1, "Note that the default style does not contain any textures or font files and, as such, is quite bland. However, the default style is quite easy to override.")); this.root.AddChild(new Paragraph(Anchor.AutoLeft, 1, "Note that the default style does not contain any textures or font files and, as such, is quite bland. However, the default style is quite easy to override, as can be seen in the code for this demo."));
root.AddChild(new Button(Anchor.AutoCenter, new Vector2(1, 10), "Change Style") { this.root.AddChild(new Button(Anchor.AutoCenter, new Vector2(1, 10), "Change Style") {
OnPressed = element => this.UiSystem.Style = this.UiSystem.Style == untexturedStyle ? style : untexturedStyle, OnPressed = element => this.UiSystem.Style = this.UiSystem.Style == untexturedStyle ? style : untexturedStyle,
PositionOffset = new Vector2(0, 1), PositionOffset = new Vector2(0, 1),
Texture = this.testPatch Texture = this.testPatch
}); });
root.AddChild(new VerticalSpace(3)); this.root.AddChild(new VerticalSpace(3));
// a paragraph with formatting codes. To see them all or to add more, check the TextFormatting class // a paragraph with formatting codes. To see them all or to add more, check the TextFormatting class
root.AddChild(new Paragraph(Anchor.AutoLeft, 1, "Paragraphs can also contain [Blue]formatting codes[White], including colors and [Italic]text styles[Regular]. The names of all [Orange]MonoGame Colors[White] can be used, as well as the codes [Italic]Italic[Regular], [Bold]Bold[Regular], [Shadow]Drop Shadow'd[Regular] and [Shadow][Pink]mixed formatting[Regular][White]. \n[Italic]Even [CornflowerBlue]Cornflower Blue[White] works!")); this.root.AddChild(new Paragraph(Anchor.AutoLeft, 1, "Paragraphs can also contain [Blue]formatting codes[White], including colors and [Italic]text styles[Regular]. The names of all [Orange]MonoGame Colors[White] can be used, as well as the codes [Italic]Italic[Regular], [Bold]Bold[Regular], [Shadow]Drop Shadow'd[Regular] and [Shadow][Pink]mixed formatting[Regular][White]. \n[Italic]Even [CornflowerBlue]Cornflower Blue[White] works!"));
// adding some custom image formatting codes // adding some custom image formatting codes
TextFormatting.FormattingCodes["Grass"] = new FormattingCode(image.Texture); TextFormatting.FormattingCodes["Grass"] = new FormattingCode(image.Texture);
TextFormatting.FormattingCodes["tree"] = new FormattingCode(tree);
// formatting codes can also be sprite animations! // formatting codes can also be sprite animations!
var atlas = new UniformTextureAtlas(LoadContent<Texture2D>("Textures/Anim"), 4, 4); var atlas = new UniformTextureAtlas(LoadContent<Texture2D>("Textures/Anim"), 4, 4);
TextFormatting.FormattingCodes["walk"] = new FormattingCode(new SpriteAnimation(0.2F, atlas[0, 0], atlas[0, 1], atlas[0, 2], atlas[0, 3])); TextFormatting.FormattingCodes["walk"] = new FormattingCode(new SpriteAnimation(0.2F, atlas[0, 0], atlas[0, 1], atlas[0, 2], atlas[0, 3]));
root.AddChild(new Paragraph(Anchor.AutoLeft, 1, "Additionally, you can create custom formatting codes that contain [Grass] images or [Walk] sprite animations! Note that these images have to be square, or [Tree] bad things happen.")); this.root.AddChild(new Paragraph(Anchor.AutoLeft, 1, "Additionally, you can create custom formatting codes that contain [Grass] images or [Walk] sprite animations!"));
var animatedPar = root.AddChild(new Paragraph(Anchor.AutoLeft, 1, "Defining text animations as formatting codes is also possible, including [Wobbly]wobbly text[Unanimated] as well as a [Typing]dialogue-esque typing effect by default. Of course, more animations can be added though.")); var animatedPar = this.root.AddChild(new Paragraph(Anchor.AutoLeft, 1, "Defining text animations as formatting codes is also possible, including [Wobbly]wobbly text[Unanimated] as well as a [Typing]dialogue-esque typing effect by default. Of course, more animations can be added though."));
root.AddChild(new Button(Anchor.AutoCenter, new Vector2(1, 10), "Reset Typing Animation") { this.root.AddChild(new Button(Anchor.AutoCenter, new Vector2(1, 10), "Reset Typing Animation") {
// to reset any animation, simply change the paragraph's TimeIntoAnimation // to reset any animation, simply change the paragraph's TimeIntoAnimation
OnPressed = e => animatedPar.TimeIntoAnimation = TimeSpan.Zero OnPressed = e => animatedPar.TimeIntoAnimation = TimeSpan.Zero
}); });
root.AddChild(new VerticalSpace(3)); this.root.AddChild(new VerticalSpace(3));
root.AddChild(new Paragraph(Anchor.AutoCenter, 1, "Text input:", true)); this.root.AddChild(new Paragraph(Anchor.AutoCenter, 1, "Text input:", true));
root.AddChild(new TextField(Anchor.AutoLeft, new Vector2(1, 10)) { this.root.AddChild(new TextField(Anchor.AutoLeft, new Vector2(1, 10)) {
PositionOffset = new Vector2(0, 1), PositionOffset = new Vector2(0, 1),
PlaceholderText = "Click here to input text" PlaceholderText = "Click here to input text"
}); });
root.AddChild(new VerticalSpace(3)); this.root.AddChild(new VerticalSpace(3));
root.AddChild(new Paragraph(Anchor.AutoCenter, 1, "Numbers-only input:", true)); this.root.AddChild(new Paragraph(Anchor.AutoCenter, 1, "Numbers-only input:", true));
root.AddChild(new TextField(Anchor.AutoLeft, new Vector2(1, 10), TextField.OnlyNumbers) {PositionOffset = new Vector2(0, 1)}); this.root.AddChild(new TextField(Anchor.AutoLeft, new Vector2(1, 10), TextField.OnlyNumbers) {PositionOffset = new Vector2(0, 1)});
root.AddChild(new VerticalSpace(3)); this.root.AddChild(new VerticalSpace(3));
root.AddChild(new Paragraph(Anchor.AutoLeft, 1, "Zoom in or out:")); this.root.AddChild(new Paragraph(Anchor.AutoLeft, 1, "Zoom in or out:"));
root.AddChild(new Button(Anchor.AutoLeft, new Vector2(10), "+") { this.root.AddChild(new Button(Anchor.AutoLeft, new Vector2(10), "+") {
OnPressed = element => { OnPressed = element => {
if (element.Root.Scale < 2) if (element.Root.Scale < 2)
element.Root.Scale += 0.1F; element.Root.Scale += 0.1F;
} }
}); });
root.AddChild(new Button(Anchor.AutoInline, new Vector2(10), "-") { this.root.AddChild(new Button(Anchor.AutoInline, new Vector2(10), "-") {
OnPressed = element => { OnPressed = element => {
if (element.Root.Scale > 0.5F) if (element.Root.Scale > 0.5F)
element.Root.Scale -= 0.1F; element.Root.Scale -= 0.1F;
@ -136,34 +128,34 @@ namespace Demos {
PositionOffset = new Vector2(1, 0) PositionOffset = new Vector2(1, 0)
}); });
root.AddChild(new VerticalSpace(3)); this.root.AddChild(new VerticalSpace(3));
root.AddChild(new Checkbox(Anchor.AutoLeft, new Vector2(1, 10), "Checkbox 1!")); this.root.AddChild(new Checkbox(Anchor.AutoLeft, new Vector2(1, 10), "Checkbox 1!"));
root.AddChild(new Checkbox(Anchor.AutoLeft, new Vector2(1, 10), "Checkbox 2!") {PositionOffset = new Vector2(0, 1)}); this.root.AddChild(new Checkbox(Anchor.AutoLeft, new Vector2(1, 10), "Checkbox 2!") {PositionOffset = new Vector2(0, 1)});
root.AddChild(new VerticalSpace(3)); this.root.AddChild(new VerticalSpace(3));
root.AddChild(new RadioButton(Anchor.AutoLeft, new Vector2(1, 10), "Radio button 1!")); this.root.AddChild(new RadioButton(Anchor.AutoLeft, new Vector2(1, 10), "Radio button 1!"));
root.AddChild(new RadioButton(Anchor.AutoLeft, new Vector2(1, 10), "Radio button 2!") {PositionOffset = new Vector2(0, 1)}); this.root.AddChild(new RadioButton(Anchor.AutoLeft, new Vector2(1, 10), "Radio button 2!") {PositionOffset = new Vector2(0, 1)});
var tooltip = new Tooltip(50, "This is a test tooltip to see the window bounding") {IsHidden = true}; var tooltip = new Tooltip(50, "I am tooltip!") {IsHidden = true};
this.UiSystem.Add("TestTooltip", tooltip); this.UiSystem.Add("TestTooltip", tooltip);
root.AddChild(new VerticalSpace(3)); this.root.AddChild(new VerticalSpace(3));
root.AddChild(new Button(Anchor.AutoLeft, new Vector2(1, 10), "Toggle Test Tooltip") { this.root.AddChild(new Button(Anchor.AutoLeft, new Vector2(1, 10), "Toggle Mouse Tooltip") {
OnPressed = element => tooltip.IsHidden = !tooltip.IsHidden OnPressed = element => tooltip.IsHidden = !tooltip.IsHidden
}); });
var slider = new Slider(Anchor.AutoLeft, new Vector2(1, 10), 5, 1) { var slider = new Slider(Anchor.AutoLeft, new Vector2(1, 10), 5, 1) {
StepPerScroll = 0.01F StepPerScroll = 0.01F
}; };
root.AddChild(new Paragraph(Anchor.AutoLeft, 1, paragraph => "Slider is at " + (slider.CurrentValue * 100).Floor() + "%") {PositionOffset = new Vector2(0, 1)}); this.root.AddChild(new Paragraph(Anchor.AutoLeft, 1, paragraph => "Slider is at " + (slider.CurrentValue * 100).Floor() + "%") {PositionOffset = new Vector2(0, 1)});
root.AddChild(slider); this.root.AddChild(slider);
// Check the WobbleButton method for an explanation of how this button works // Check the WobbleButton method for an explanation of how this button works
var group = root.AddChild(new CustomDrawGroup(Anchor.AutoLeft, new Vector2(1, 0))); var group = this.root.AddChild(new CustomDrawGroup(Anchor.AutoLeft, new Vector2(1, 0)));
group.AddChild(new Button(Anchor.AutoCenter, new Vector2(0.5F, 10), "Wobble Me", "This button wobbles around visually when clicked, but this doesn't affect its actual size and positioning") { group.AddChild(new Button(Anchor.AutoCenter, new Vector2(0.5F, 10), "Wobble Me", "This button wobbles around visually when clicked, but this doesn't affect its actual size and positioning") {
OnPressed = element => CoroutineHandler.Start(this.WobbleButton(group)), OnPressed = element => CoroutineHandler.Start(this.WobbleButton(group)),
PositionOffset = new Vector2(0, 1) PositionOffset = new Vector2(0, 1)
}); });
root.AddChild(new Button(Anchor.AutoCenter, new Vector2(0.5F, 10), "Transform Ui", "This button causes the entire ui to be transformed (both in positioning, rotation and scale). As this is an easily pulled off operation, it can be used for animations and other gimmicks.") { this.root.AddChild(new Button(Anchor.AutoCenter, new Vector2(0.5F, 10), "Transform Ui", "This button causes the entire ui to be transformed (both in positioning, rotation and scale)") {
OnPressed = element => { OnPressed = element => {
if (element.Root.Transform == Matrix.Identity) { if (element.Root.Transform == Matrix.Identity) {
element.Root.Transform = Matrix.CreateScale(0.75F) * Matrix.CreateRotationZ(0.25F) * Matrix.CreateTranslation(50, -10, 0); element.Root.Transform = Matrix.CreateScale(0.75F) * Matrix.CreateRotationZ(0.25F) * Matrix.CreateTranslation(50, -10, 0);
@ -174,59 +166,48 @@ namespace Demos {
PositionOffset = new Vector2(0, 1) PositionOffset = new Vector2(0, 1)
}); });
root.AddChild(new VerticalSpace(3)); this.root.AddChild(new VerticalSpace(3));
root.AddChild(new Paragraph(Anchor.AutoLeft, 1, "Progress bars in multiple orientations:")); this.root.AddChild(new Paragraph(Anchor.AutoLeft, 1, "Progress bars!"));
var bar1 = root.AddChild(new ProgressBar(Anchor.AutoLeft, new Vector2(1, 8), Direction2.Right, 10) {PositionOffset = new Vector2(0, 1)}); var bar1 = this.root.AddChild(new ProgressBar(Anchor.AutoLeft, new Vector2(1, 8), Direction2.Right, 10) {PositionOffset = new Vector2(0, 1)});
CoroutineHandler.Start(this.WobbleProgressBar(bar1)); CoroutineHandler.Start(this.WobbleProgressBar(bar1));
var bar2 = root.AddChild(new ProgressBar(Anchor.AutoLeft, new Vector2(1, 8), Direction2.Left, 10) {PositionOffset = new Vector2(0, 1)}); var bar2 = this.root.AddChild(new ProgressBar(Anchor.AutoLeft, new Vector2(1, 8), Direction2.Left, 10) {PositionOffset = new Vector2(0, 1)});
CoroutineHandler.Start(this.WobbleProgressBar(bar2)); CoroutineHandler.Start(this.WobbleProgressBar(bar2));
var bar3 = root.AddChild(new ProgressBar(Anchor.AutoLeft, new Vector2(8, 30), Direction2.Down, 10) {PositionOffset = new Vector2(0, 1)}); var bar3 = this.root.AddChild(new ProgressBar(Anchor.AutoLeft, new Vector2(8, 30), Direction2.Down, 10) {PositionOffset = new Vector2(0, 1)});
CoroutineHandler.Start(this.WobbleProgressBar(bar3)); CoroutineHandler.Start(this.WobbleProgressBar(bar3));
var bar4 = root.AddChild(new ProgressBar(Anchor.AutoInline, new Vector2(8, 30), Direction2.Up, 10) {PositionOffset = new Vector2(1, 1)}); var bar4 = this.root.AddChild(new ProgressBar(Anchor.AutoInline, new Vector2(8, 30), Direction2.Up, 10) {PositionOffset = new Vector2(1, 1)});
CoroutineHandler.Start(this.WobbleProgressBar(bar4)); CoroutineHandler.Start(this.WobbleProgressBar(bar4));
root.AddChild(new VerticalSpace(3)); this.root.AddChild(new VerticalSpace(3));
var dropdown = root.AddChild(new Dropdown(Anchor.AutoLeft, new Vector2(1, 10), "Dropdown Menu")); var dropdown = this.root.AddChild(new Dropdown(Anchor.AutoLeft, new Vector2(1, 10), "Dropdown Menu"));
dropdown.AddElement("First Option"); dropdown.AddElement("First Option");
dropdown.AddElement("Second Option"); dropdown.AddElement("Second Option");
dropdown.AddElement("Third Option"); dropdown.AddElement("Third Option");
dropdown.AddElement(new Button(Anchor.AutoLeft, new Vector2(1, 10), "Button Option")); dropdown.AddElement(new Paragraph(Anchor.AutoLeft, 1, "Dropdowns are basically just prioritized panels, so they can contain all controls, including paragraphs and"));
dropdown.AddElement(new Button(Anchor.AutoLeft, new Vector2(1, 10), "Buttons"));
root.AddChild(new VerticalSpace(3)); this.root.AddChild(new VerticalSpace(3));
root.AddChild(new Paragraph(Anchor.AutoLeft, 1, "There are also some additional \"components\" which are created as combinations of other components. You can find all of them in the ElementHelper class. Here are some examples:")); this.root.AddChild(new Button(Anchor.AutoLeft, new Vector2(1, 10), "Disabled button", "This button can't be clicked or moved to using automatic navigation") {IsDisabled = true}).PositionOffset = new Vector2(0, 1);
root.AddChild(ElementHelper.NumberField(Anchor.AutoLeft, new Vector2(1, 10))).PositionOffset = new Vector2(0, 1);
root.AddChild(new Paragraph(Anchor.AutoLeft, 1, "There is an easy helper method to make any amount of same-sized columns:") {PositionOffset = new Vector2(0, 1)}); this.root.AddChild(new VerticalSpace(3));
var cols = ElementHelper.MakeColumns(root, new Vector2(1), 3); this.root.AddChild(new Paragraph(Anchor.AutoLeft, 1, "The code for this demo contains some examples for how to query element data. This is the output of that:"));
cols[0].AddChild(new Paragraph(Anchor.AutoLeft, 1, "This is the first column"));
cols[1].AddChild(new Paragraph(Anchor.AutoLeft, 1, "This is the second column"));
cols[2].AddChild(new Paragraph(Anchor.AutoLeft, 1, "This is the third column"));
root.AddChild(new Button(Anchor.AutoLeft, new Vector2(1, 10), "Show Info Box") { var children = this.root.GetChildren();
OnPressed = element => ElementHelper.ShowInfoBox(this.UiSystem, Anchor.Center, 100, "This is an easy info box that you can open with just one line of code! It automatically closes when you press the button below as well."), var totalChildren = this.root.GetChildren(regardGrandchildren: true);
PositionOffset = new Vector2(0, 1) this.root.AddChild(new Paragraph(Anchor.AutoLeft, 1, $"The root has [Bold]{children.Count()}[Regular] children, but there are [Bold]{totalChildren.Count()}[Regular] when regarding children's children"));
});
root.AddChild(ElementHelper.ImageButton(Anchor.AutoLeft, new Vector2(1, 10), tree, "Button with image")).PositionOffset = new Vector2(0, 1); var textFields = this.root.GetChildren<TextField>();
root.AddChild(new Button(Anchor.AutoLeft, new Vector2(1, 10), "Disabled button") {IsDisabled = true}).PositionOffset = new Vector2(0, 1); this.root.AddChild(new Paragraph(Anchor.AutoLeft, 1, $"The root has [Bold]{textFields.Count()}[Regular] text fields"));
root.AddChild(new Paragraph(Anchor.AutoLeft, 1, "This_is_a_really_long_[Blue]line[White]_to_see_if_splitting_without_spaces_works_properly._I_also_want_to_see_if_it_works_[Blue]across[White]_multiple_lines_or_just_on_the_first_one. But after this, I want the text to [Blue]continue[White] normally before changing_back_to_being_really_long_[Blue]oh[White]_yes"));
// Below are some querying examples that help you find certain elements easily var paragraphs = this.root.GetChildren<Paragraph>();
var totalParagraphs = this.root.GetChildren<Paragraph>(regardGrandchildren: true);
this.root.AddChild(new Paragraph(Anchor.AutoLeft, 1, $"The root has [Bold]{paragraphs.Count()}[Regular] paragraphs, but there are [Bold]{totalParagraphs.Count()}[Regular] when regarding children's children"));
var children = root.GetChildren(); var autoWidthChildren = this.root.GetChildren(e => e.Size.X == 1);
var totalChildren = root.GetChildren(regardGrandchildren: true); var autoWidthButtons = this.root.GetChildren<Button>(e => e.Size.X == 1);
Console.WriteLine($"The root has {children.Count()} children, but there are {totalChildren.Count()} when regarding children's children"); this.root.AddChild(new Paragraph(Anchor.AutoLeft, 1, $"The root has [Bold]{autoWidthChildren.Count()}[Regular] auto-width children, [Bold]{autoWidthButtons.Count()}[Regular] of which are buttons"));
var textFields = root.GetChildren<TextField>(); // select the first element for auto-navigation
Console.WriteLine($"The root has {textFields.Count()} text fields"); this.root.Root.SelectElement(this.root.GetChildren().First(c => c.CanBeSelected));
var paragraphs = root.GetChildren<Paragraph>();
var totalParagraphs = root.GetChildren<Paragraph>(regardGrandchildren: true);
Console.WriteLine($"The root has {paragraphs.Count()} paragraphs, but there are {totalParagraphs.Count()} when regarding children's children");
var autoWidthChildren = root.GetChildren(e => e.Size.X == 1);
var autoWidthButtons = root.GetChildren<Button>(e => e.Size.X == 1);
Console.WriteLine($"The root has {autoWidthChildren.Count()} auto-width children, {autoWidthButtons.Count()} of which are buttons");
} }
// This method is used by the wobbling button (see above) // This method is used by the wobbling button (see above)
@ -264,7 +245,7 @@ namespace Demos {
} }
public override void Clear() { public override void Clear() {
this.UiSystem.Remove("Test"); this.root.Root.Element.RemoveChild(this.root);
this.UiSystem.Remove("TestTooltip"); this.UiSystem.Remove("TestTooltip");
} }