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spacetac/src/ui/common/Tooltip.ts

112 lines
3.5 KiB
TypeScript

module TS.SpaceTac.UI {
class TooltipContainer extends Phaser.Group {
view: BaseView
background: Phaser.Graphics
content: Phaser.Group
anchorpoint: [number, number] = [0, 0]
constructor(view: BaseView) {
super(view.game);
this.view = view;
this.visible = false;
this.background = new Phaser.Graphics(this.game);
this.add(this.background);
this.content = new Phaser.Group(this.game);
this.add(this.content);
}
show(x: number, y: number) {
this.anchorpoint = [x, y];
this.visible = true;
}
update() {
if (this.visible) {
let bounds = this.content.getBounds();
let width = bounds.width + 20;
let height = bounds.height + 20;
if (this.background.width != width || this.background.height != height) {
this.background.clear();
this.background.beginFill(0x202225, 0.9);
this.background.drawRect(-10, -10, width, height);
this.background.endFill();
}
let [x, y] = UITools.positionInside({ x: this.anchorpoint[0], y: this.anchorpoint[1], width: width, height: height }, { x: 0, y: 0, width: this.view.getWidth(), height: this.view.getHeight() });
if (x != this.x || y != this.y) {
this.position.set(x, y);
}
}
}
hide() {
this.content.removeAll();
this.visible = false;
}
}
/**
* Tooltip system, to display information on hover
*/
export class Tooltip {
private view: BaseView;
private container: TooltipContainer;
constructor(view: BaseView) {
this.view = view;
this.container = new TooltipContainer(view);
}
/**
* Bind to an UI component
*
* When the component is hovered, the function is called to allow filling the tooltip container
*/
bind(obj: Phaser.Button, func: (container: Phaser.Group) => boolean): void {
UITools.setHoverClick(obj,
// enter
() => {
this.hide();
if (func(this.container.content)) {
let bounds = obj.getBounds();
this.container.show(bounds.x + bounds.width + 4, bounds.y + bounds.height + 4);
}
},
// leave
() => this.hide(),
// click
() => this.hide()
);
obj.onInputDown.add(() => this.hide());
}
/**
* Bind to an UI component to display a dynamic text
*/
bindDynamicText(obj: Phaser.Button, text_getter: () => string): void {
this.bind(obj, container => {
container.add(new Phaser.Text(container.game, 0, 0, text_getter(), { font: "bold 20pt Arial", fill: "#cccccc" }));
return true;
});
}
/**
* Bind to an UI component to display a simple text
*/
bindStaticText(obj: Phaser.Button, text: string): void {
this.bindDynamicText(obj, () => text);
}
/**
* Hide the current tooltip
*/
hide(): void {
this.container.hide();
}
}
}