269 lines
9.1 KiB
TypeScript
269 lines
9.1 KiB
TypeScript
module TS.SpaceTac.UI {
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export type UIInternalComponent = Phaser.Group | Phaser.Image | Phaser.Button | Phaser.Sprite;
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export type UIImageInfo = string | { key: string, frame?: number, frame1?: number, frame2?: number };
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export type UITextInfo = { content: string, color: string, size: number, bold?: boolean };
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function imageFromInfo(game: Phaser.Game, info: UIImageInfo): Phaser.Image {
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if (typeof info === "string") {
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info = { key: info };
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}
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let image = new Phaser.Image(game, 0, 0, info.key, info.frame);
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image.anchor.set(0.5, 0.5);
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return image;
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}
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function textFromInfo(game: Phaser.Game, info: UITextInfo): Phaser.Text {
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let style = { font: `${info.bold ? "bold " : ""}${info.size}pt Arial`, fill: info.color };
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let text = new Phaser.Text(game, 0, 0, info.content, style);
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return text;
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}
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function autoFromInfo(game: Phaser.Game, info: UIImageInfo | UITextInfo): Phaser.Text | Phaser.Image {
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if (info.hasOwnProperty("content")) {
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return textFromInfo(game, <UITextInfo>info);
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} else {
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return imageFromInfo(game, <UIImageInfo>info);
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}
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}
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/**
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* Base class for UI components
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*/
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export class UIComponent {
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private has_background: boolean
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protected readonly view: BaseView;
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protected readonly parent: UIComponent | null;
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private readonly container: UIInternalComponent;
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protected readonly width: number;
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protected readonly height: number;
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constructor(parent: BaseView | UIComponent, width: number, height: number, background_key: string | null = null) {
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this.width = width;
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this.height = height;
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if (parent instanceof UIComponent) {
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this.view = parent.view;
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this.parent = parent;
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} else {
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this.view = parent;
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this.parent = null;
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}
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this.container = this.createInternalNode();
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if (this.parent) {
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this.parent.addInternalChild(this.container);
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} else {
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this.view.add.existing(this.container);
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}
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if (background_key) {
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this.addInternalChild(new Phaser.Image(this.view.game, 0, 0, background_key));
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this.has_background = true;
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} else {
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this.has_background = false;
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}
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}
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get game(): MainUI {
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return this.view.gameui;
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}
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jasmineToString(): string {
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return this.toString();
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}
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toString(): string {
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return `<${classname(this)}>`;
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}
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/**
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* Move the a parent's layer
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*/
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moveToLayer(layer: Phaser.Group) {
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layer.add(this.container);
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}
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/**
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* Destroy the component
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*/
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destroy(children = true) {
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this.container.destroy(children);
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}
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/**
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* Create the internal phaser node
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*/
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protected createInternalNode(): UIInternalComponent {
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return new Phaser.Group(this.view.game, undefined, classname(this));
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}
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/**
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* Add an other internal component as child
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*/
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protected addInternalChild(child: UIInternalComponent): void {
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if (this.container instanceof Phaser.Group) {
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this.container.add(child);
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} else {
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this.container.addChild(child);
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}
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}
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/**
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* Set the component's visibility, with optional transition (in milliseconds)
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*/
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setVisible(visible: boolean, transition = 0): void {
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if (transition > 0) {
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this.view.animations.setVisible(this.container, visible, transition);
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} else {
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this.container.visible = visible;
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}
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}
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/**
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* Get the component's declared size
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*/
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getSize(): [number, number] {
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return [this.width, this.height];
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}
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/**
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* Get the width and height of parent
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*/
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getParentSize(): [number, number] {
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if (this.parent) {
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return this.parent.getSize();
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} else {
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return [this.view.getWidth(), this.view.getHeight()];
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}
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}
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/**
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* Return the component's position (either relative to its parent, or absolute in the view)
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*/
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getPosition(relative = false): [number, number] {
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if (relative || !this.parent) {
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return [this.container.x, this.container.y];
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} else {
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let [px, py] = this.parent.getPosition();
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return [px + this.container.x, py + this.container.y];
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}
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}
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/**
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* Set the position in pixels.
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*/
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setPosition(x: number, y: number): void {
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this.container.position.set(x, y);
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}
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/**
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* Position the component inside the boundaries of its parent.
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*
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* (0, 0) is the top-left anchoring, (1, 1) is the bottom-right one.
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*
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* If *pixelsnap* is true, position will be rounded to pixel.
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*/
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setPositionInsideParent(x: number, y: number, pixelsnap = true): void {
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let [pwidth, pheight] = this.getParentSize();
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let [width, height] = this.getSize();
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let rx = (pwidth - width) * x;
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let ry = (pheight - height) * y;
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if (pixelsnap) {
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this.container.position.set(Math.round(rx), Math.round(ry));
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} else {
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this.container.position.set(rx, ry);
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}
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}
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/**
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* Clear from all added content.
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*/
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clearContent(): void {
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let offset = this.has_background ? 1 : 0;
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while (this.container.children.length > offset) {
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this.container.removeChildAt(offset);
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}
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}
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/**
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* Add a button in the component, positioning its center.
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*/
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addButton(x: number, y: number, on_click: Function, background: string, frame_normal = 0, frame_hover = 1, tooltip = "", angle = 0) {
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let button = new Phaser.Button(this.view.game, x, y, background, on_click, undefined, frame_hover, frame_normal);
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button.anchor.set(0.5, 0.5);
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button.angle = angle;
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if (tooltip) {
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this.view.tooltip.bindStaticText(button, tooltip);
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}
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this.addInternalChild(button);
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}
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/**
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* Add a static text.
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*/
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addText(x: number, y: number, content: string, color = "#ffffff", size = 16, bold = false, center = true, width = 0, vcenter = center): void {
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let style = { font: `${bold ? "bold " : ""}${size}pt Arial`, fill: color, align: center ? "center" : "left" };
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let text = new Phaser.Text(this.view.game, x, y, content, style);
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text.anchor.set(center ? 0.5 : 0, vcenter ? 0.5 : 0);
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if (width) {
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text.wordWrap = true;
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text.wordWrapWidth = width;
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}
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this.addInternalChild(text);
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}
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/**
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* Add a static image, positioning its center.
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*/
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addImage(x: number, y: number, key: string, scale = 1): void {
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let image = new Phaser.Image(this.container.game, x, y, key);
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image.anchor.set(0.5, 0.5);
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image.scale.set(scale);
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this.addInternalChild(image);
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}
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/**
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* Add a 2-states toggle button.
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*
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* *background* should have three frames (toggled, untoggled and hovered).
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*
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* Returns a function to force the state of the button.
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*/
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addToggleButton(x: number, y: number, background: UIImageInfo, content: UIImageInfo | UITextInfo, on_change: (toggled: boolean) => void): (toggled: boolean) => void {
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let toggled = false;
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let toggle = (state: boolean, broadcast = false) => {
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toggled = state;
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if (typeof background !== "string") {
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image.frame = (toggled ? background.frame : background.frame1) || background.frame || 0;
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}
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contentobj.alpha = toggled ? 1 : 0.5;
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if (broadcast) {
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on_change(toggled);
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}
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};
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let button = new Phaser.Button(this.container.game, x, y, "common-transparent", () => toggle(!toggled, true));
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let image = imageFromInfo(this.game, background);
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let contentobj = autoFromInfo(this.game, content);
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button.addChild(image);
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button.addChild(contentobj);
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this.addInternalChild(button);
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toggle(toggled);
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return toggle;
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}
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/**
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* Set the keyboard focus on this component.
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*/
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setKeyboardFocus(on_key: (key: string) => void) {
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this.view.inputs.grabKeyboard(this, on_key);
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// TODO release on destroy
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}
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}
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}
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