function newAAMastersPlottersCandlesVolumesVolumesVolumePanel() { var thisObject = { onEventRaised: onEventRaised, container: undefined, draw: draw, getContainer: getContainer, initialize: initialize }; var container = newContainer(); container.initialize(); thisObject.container = container; container.displacement.containerName = "Current Volume Panel"; container.frame.containerName = "Current Volume Panel"; let currentVolume; return thisObject; function initialize() { thisObject.container.frame.width = UI_PANEL.WIDTH.NORMAL; thisObject.container.frame.height = UI_PANEL.HEIGHT.NORMAL; thisObject.container.frame.position.x = viewPort.visibleArea.topRight.x - thisObject.container.frame.width; thisObject.container.frame.position.y = viewPort.visibleArea.bottomLeft.y - thisObject.container.frame.height; } function getContainer(point) { var container; /* First we check if this point is inside this space. */ if (this.container.frame.isThisPointHere(point, true) === true) { return this.container; } else { /* This point does not belong to this space. */ return undefined; } } function onEventRaised(lastCurrentVolume) { currentVolume = lastCurrentVolume; } function draw() { this.container.frame.draw(false, false, true); plotCurrentVolumeInfo(); } function plotCurrentVolumeInfo() { if (currentVolume === undefined) { return; } if (currentVolume.innerVolumeBar === undefined) { return; } const frameBodyHeight = thisObject.container.frame.getBodyHeight(); const frameTitleHeight = thisObject.container.frame.height - frameBodyHeight; const X_AXIS = thisObject.container.frame.width / 2; const Y_AXIS_BUY = frameTitleHeight + frameBodyHeight * 0.85; const Y_AXIS_SELL = frameTitleHeight + frameBodyHeight * 0.15; var buyVolumePoint1 = { x: X_AXIS - currentVolume.buyInfo.baseWidth / 2, y: Y_AXIS_BUY }; var buyVolumePoint2 = { x: X_AXIS - currentVolume.buyInfo.topWidth / 2, y: Y_AXIS_BUY + currentVolume.buyInfo.height }; var buyVolumePoint3 = { x: X_AXIS + currentVolume.buyInfo.topWidth / 2, y: Y_AXIS_BUY + currentVolume.buyInfo.height }; var buyVolumePoint4 = { x: X_AXIS + currentVolume.buyInfo.baseWidth / 2, y: Y_AXIS_BUY }; buyVolumePoint1 = thisObject.container.frame.fitIntoFrame(buyVolumePoint1); buyVolumePoint2 = thisObject.container.frame.fitIntoFrame(buyVolumePoint2); buyVolumePoint3 = thisObject.container.frame.fitIntoFrame(buyVolumePoint3); buyVolumePoint4 = thisObject.container.frame.fitIntoFrame(buyVolumePoint4); buyVolumePoint1 = thisObject.container.frame.frameThisPoint(buyVolumePoint1); buyVolumePoint2 = thisObject.container.frame.frameThisPoint(buyVolumePoint2); buyVolumePoint3 = thisObject.container.frame.frameThisPoint(buyVolumePoint3); buyVolumePoint4 = thisObject.container.frame.frameThisPoint(buyVolumePoint4); var sellVolumePoint1 = { x: X_AXIS - currentVolume.buyInfo.baseWidth / 2, y: Y_AXIS_SELL }; var sellVolumePoint2 = { x: X_AXIS - currentVolume.buyInfo.topWidth / 2, y: Y_AXIS_SELL + currentVolume.sellInfo.height }; var sellVolumePoint3 = { x: X_AXIS + currentVolume.buyInfo.topWidth / 2, y: Y_AXIS_SELL + currentVolume.sellInfo.height }; var sellVolumePoint4 = { x: X_AXIS + currentVolume.buyInfo.baseWidth / 2, y: Y_AXIS_SELL }; sellVolumePoint1 = thisObject.container.frame.fitIntoFrame(sellVolumePoint1); sellVolumePoint2 = thisObject.container.frame.fitIntoFrame(sellVolumePoint2); sellVolumePoint3 = thisObject.container.frame.fitIntoFrame(sellVolumePoint3); sellVolumePoint4 = thisObject.container.frame.fitIntoFrame(sellVolumePoint4); sellVolumePoint1 = thisObject.container.frame.frameThisPoint(sellVolumePoint1); sellVolumePoint2 = thisObject.container.frame.frameThisPoint(sellVolumePoint2); sellVolumePoint3 = thisObject.container.frame.frameThisPoint(sellVolumePoint3); sellVolumePoint4 = thisObject.container.frame.frameThisPoint(sellVolumePoint4); const OPACITY = '0.40'; browserCanvasContext.beginPath(); browserCanvasContext.moveTo(buyVolumePoint1.x, buyVolumePoint1.y); browserCanvasContext.lineTo(buyVolumePoint2.x, buyVolumePoint2.y); browserCanvasContext.lineTo(buyVolumePoint3.x, buyVolumePoint3.y); browserCanvasContext.lineTo(buyVolumePoint4.x, buyVolumePoint4.y); browserCanvasContext.closePath(); browserCanvasContext.strokeStyle = 'rgba(' + UI_COLOR.PATINATED_TURQUOISE + ', ' + OPACITY + ')'; browserCanvasContext.fillStyle = 'rgba(' + UI_COLOR.GREEN + ', ' + OPACITY + ')'; browserCanvasContext.fill(); browserCanvasContext.lineWidth = 1; browserCanvasContext.stroke(); browserCanvasContext.beginPath(); browserCanvasContext.moveTo(sellVolumePoint1.x, sellVolumePoint1.y); browserCanvasContext.lineTo(sellVolumePoint2.x, sellVolumePoint2.y); browserCanvasContext.lineTo(sellVolumePoint3.x, sellVolumePoint3.y); browserCanvasContext.lineTo(sellVolumePoint4.x, sellVolumePoint4.y); browserCanvasContext.closePath(); browserCanvasContext.strokeStyle = 'rgba(' + UI_COLOR.RED + ', ' + OPACITY + ')'; browserCanvasContext.fillStyle = 'rgba(' + UI_COLOR.RUSTED_RED + ', ' + OPACITY + ')'; browserCanvasContext.fill(); browserCanvasContext.lineWidth = 1; browserCanvasContext.stroke(); /* put the labels with the volumes values */ browserCanvasContext.beginPath(); printLabel('Buy Volume', X_AXIS, frameTitleHeight + frameBodyHeight * 0.95, '1'); printLabel(currentVolume.innerVolumeBar.amountBuy, X_AXIS, frameTitleHeight + frameBodyHeight * 0.90, '0.50'); printLabel('Sell Volume', X_AXIS, frameTitleHeight + frameBodyHeight * 0.05, '1'); printLabel(currentVolume.innerVolumeBar.amountSell, X_AXIS, frameTitleHeight + frameBodyHeight * 0.10, '0.50'); function printLabel(labelToPrint, x, y, opacity) { let labelPoint; let fontSize = 10; browserCanvasContext.font = fontSize + 'px ' + UI_FONT.SECONDARY; let label = '' + labelToPrint; if (isNaN(label) === false) { label = Number(label).toLocaleString(); } let xOffset = label.length / 2 * fontSize * FONT_ASPECT_RATIO; labelPoint = { x: x - xOffset, y: y }; labelPoint = thisObject.container.frame.frameThisPoint(labelPoint); browserCanvasContext.fillStyle = 'rgba(' + UI_COLOR.DARK + ', ' + opacity + ')'; browserCanvasContext.fillText(label, labelPoint.x, labelPoint.y); } browserCanvasContext.closePath(); browserCanvasContext.fill(); } }