180 lines
4.6 KiB
JavaScript
180 lines
4.6 KiB
JavaScript
/*
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The Splash Screen is to show some 'loading...' controls while the app is being loaded on the background. After the loading is complete the Splash Screens dissapears for good.
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*/
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function newSplashScreen() {
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var thisObject = {
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container: undefined,
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draw: draw,
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timeMachines: [],
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getContainer: getContainer, // returns the inner most container that holds the point received by parameter.
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initialize: initialize
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};
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var container = newContainer();
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container.initialize();
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thisObject.container = container;
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resize();
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container.displacement.containerName = "Splash Screen";
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container.frame.containerName = "Splash Screen";
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container.frame.position.x = 0;
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container.frame.position.y = 0;
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container.isDraggeable = false;
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let fadeOutCounter = 0;
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let opacity = 1;
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let logo;
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let canDrawLogo = false;
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return thisObject;
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function initialize() {
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logo = new Image();
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logo.onload = onImageLoad;
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function onImageLoad() {
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canDrawLogo = true;
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}
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logo.src = window.canvasApp.urlPrefix + "Images/aa-logo.png";
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window.canvasApp.eventHandler.listenToEvent("Browser Resized", resize);
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}
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function resize() {
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thisObject.container.frame.width = browserCanvas.width;
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thisObject.container.frame.height = browserCanvas.height;
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}
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function draw() {
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if (splashScreenNeeded === false) {
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stepsInitializationCounter = 100;
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fadeOutCounter++;
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if (fadeOutCounter > 20) {
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return;
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}
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opacity = opacity - 0.1;
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}
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thisObject.container.frame.draw(false, false);
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/* Set the background. */
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browserCanvasContext.beginPath();
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browserCanvasContext.rect(0, 0, thisObject.container.frame.width, thisObject.container.frame.height);
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browserCanvasContext.fillStyle = 'rgba(' + UI_COLOR.WHITE + ', ' + opacity + ')';
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browserCanvasContext.closePath();
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browserCanvasContext.fill();
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if (canDrawLogo === false) { return; }
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/* First the AA Logo. */
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let imageHeight = 96;
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let imageWidth = 480;
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let yDisplacement = -50;
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let imagePoint = {
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x: thisObject.container.frame.width * 1 / 2 - imageWidth / 2,
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y: thisObject.container.frame.height * 1 / 2 - imageHeight / 2 + yDisplacement
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};
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imagePoint = thisObject.container.frame.frameThisPoint(imagePoint);
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browserCanvasContext.drawImage(logo, imagePoint.x, imagePoint.y, imageWidth, imageHeight);
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/* Second the % of Advance. */
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let label = '' + Math.trunc(stepsInitializationCounter) + ' %';
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stepsInitializationCounter = stepsInitializationCounter + 0.5;
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if (stepsInitializationCounter > 99) {
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splashScreenNeeded = false;
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stepsInitializationCounter = 99;
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}
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let fontSize = 10;
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let labelPoint = {
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x: thisObject.container.frame.width / 2 - label.length / 2 * fontSize * FONT_ASPECT_RATIO - 25,
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y: thisObject.container.frame.height / 2 + fontSize / 2 + fontSize * 0.1 + 80 + yDisplacement
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};
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browserCanvasContext.font = fontSize + 'px ' + UI_FONT.PRIMARY;
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browserCanvasContext.fillStyle = 'rgba(0, 0, 0, ' + opacity + ')';
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browserCanvasContext.fillText(label, labelPoint.x, labelPoint.y);
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let title;
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let titlePoint;
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/* Algo Bots Competitions Sub Title */
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fontSize = 15;
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title = "Trading Bots Competitions Platform"
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titlePoint = {
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x: thisObject.container.frame.width / 2 - title.length / 2 * fontSize * FONT_ASPECT_RATIO - 20,
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y: thisObject.container.frame.height / 2 - fontSize * 2 + 80 + yDisplacement
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};
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browserCanvasContext.font = fontSize + 'px ' + UI_FONT.PRIMARY;
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browserCanvasContext.fillStyle = 'rgba(0, 0, 0, ' + opacity + ')';
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browserCanvasContext.fillText(title, titlePoint.x, titlePoint.y);
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}
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function getContainer(point) {
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var container;
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/* First we check if this point is inside this space. */
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if (this.container.frame.isThisPointHere(point) === true) {
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/* Now we see which is the inner most container that has it */
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// add validation of inner most containers here.
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/* The point does not belong to any inner container, so we return the current container. */
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return this.container;
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} else {
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/* This point does not belong to this space. */
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return undefined;
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}
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}
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} |