function newAAMastersPlottersCandlesVolumesCandlesCandlePanel() { var thisObject = { onEventRaised: onEventRaised, container: undefined, draw: draw, getContainer: getContainer, initialize: initialize }; var container = newContainer(); container.initialize(); thisObject.container = container; container.displacement.containerName = "Current Candle Panel"; container.frame.containerName = "Current Candle Panel"; let currentCandle; 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 * 2; 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(lastCurrentCandle) { currentCandle = lastCurrentCandle; } function draw() { this.container.frame.draw(false, false, true); plotCurrentCandleInfo(); } function plotCurrentCandleInfo() { if (currentCandle === undefined) { return; } if (currentCandle.innerCandle === 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 = frameTitleHeight + frameBodyHeight / 2; var candlePoint1 = { x: X_AXIS - currentCandle.bodyWidth / 2, y: Y_AXIS - currentCandle.bodyHeight / 2 }; var candlePoint2 = { x: X_AXIS + currentCandle.bodyWidth / 2, y: Y_AXIS - currentCandle.bodyHeight / 2 }; var candlePoint3 = { x: X_AXIS + currentCandle.bodyWidth / 2, y: Y_AXIS + currentCandle.bodyHeight / 2 }; var candlePoint4 = { x: X_AXIS - currentCandle.bodyWidth / 2, y: Y_AXIS + currentCandle.bodyHeight / 2 }; var stickPoint1 = { x: X_AXIS - currentCandle.stickWidth / 2, y: candlePoint1.y - currentCandle.stickStart }; var stickPoint2 = { x: X_AXIS + currentCandle.stickWidth / 2, y: candlePoint1.y - currentCandle.stickStart }; var stickPoint3 = { x: X_AXIS + currentCandle.stickWidth / 2, y: candlePoint1.y - currentCandle.stickStart + currentCandle.stickHeight }; var stickPoint4 = { x: X_AXIS - currentCandle.stickWidth / 2, y: candlePoint1.y - currentCandle.stickStart + currentCandle.stickHeight }; /* Extra bounderies due to constrained space */ const upperLimit = frameTitleHeight + frameBodyHeight * 0.15; const downLimit = frameTitleHeight + frameBodyHeight * 0.85; if (candlePoint1.y < upperLimit) { candlePoint1.y = upperLimit; candlePoint2.y = upperLimit; } if (stickPoint1.y < upperLimit) { stickPoint1.y = upperLimit; stickPoint2.y = upperLimit; } if (candlePoint3.y < upperLimit) { candlePoint3.y = upperLimit; candlePoint4.y = upperLimit; } if (stickPoint3.y < upperLimit) { stickPoint3.y = upperLimit; stickPoint4.y = upperLimit; } if (candlePoint1.y > downLimit) { candlePoint1.y = downLimit; candlePoint2.y = downLimit; } if (stickPoint1.y > downLimit) { stickPoint1.y = downLimit; stickPoint2.y = downLimit; } if (candlePoint3.y > downLimit) { candlePoint3.y = downLimit; candlePoint4.y = downLimit; } if (stickPoint3.y > downLimit) { stickPoint3.y = downLimit; stickPoint4.y = downLimit; } candlePoint1 = thisObject.container.frame.frameThisPoint(candlePoint1); candlePoint2 = thisObject.container.frame.frameThisPoint(candlePoint2); candlePoint3 = thisObject.container.frame.frameThisPoint(candlePoint3); candlePoint4 = thisObject.container.frame.frameThisPoint(candlePoint4); stickPoint1 = thisObject.container.frame.frameThisPoint(stickPoint1); stickPoint2 = thisObject.container.frame.frameThisPoint(stickPoint2); stickPoint3 = thisObject.container.frame.frameThisPoint(stickPoint3); stickPoint4 = thisObject.container.frame.frameThisPoint(stickPoint4); browserCanvasContext.beginPath(); browserCanvasContext.moveTo(stickPoint1.x, stickPoint1.y); browserCanvasContext.lineTo(stickPoint2.x, stickPoint2.y); browserCanvasContext.lineTo(stickPoint3.x, stickPoint3.y); browserCanvasContext.lineTo(stickPoint4.x, stickPoint4.y); browserCanvasContext.closePath(); browserCanvasContext.fillStyle = 'rgba(' + UI_COLOR.DARK + ', 1)'; browserCanvasContext.fill(); browserCanvasContext.lineWidth = 1; browserCanvasContext.stroke(); browserCanvasContext.beginPath(); browserCanvasContext.moveTo(candlePoint1.x, candlePoint1.y); browserCanvasContext.lineTo(candlePoint2.x, candlePoint2.y); browserCanvasContext.lineTo(candlePoint3.x, candlePoint3.y); browserCanvasContext.lineTo(candlePoint4.x, candlePoint4.y); browserCanvasContext.closePath(); const OPACITY = '1'; if (currentCandle.innerCandle.direction === 'up') { browserCanvasContext.strokeStyle = 'rgba(' + UI_COLOR.PATINATED_TURQUOISE + ', ' + OPACITY + ')'; } if (currentCandle.innerCandle.direction === 'down') { browserCanvasContext.strokeStyle = 'rgba(' + UI_COLOR.RED + ', ' + OPACITY + ')'; } if (currentCandle.innerCandle.direction === 'side') { browserCanvasContext.strokeStyle = 'rgba(' + UI_COLOR.DARK + ', ' + OPACITY + ')'; } if (currentCandle.innerCandle.direction === 'up') { browserCanvasContext.fillStyle = 'rgba(' + UI_COLOR.GREEN + ', ' + OPACITY + ')'; } if (currentCandle.innerCandle.direction === 'down') { browserCanvasContext.fillStyle = 'rgba(' + UI_COLOR.RUSTED_RED + ', ' + OPACITY + ')'; } if (currentCandle.innerCandle.direction === 'side') { browserCanvasContext.fillStyle = 'rgba(' + UI_COLOR.DARK + ', ' + OPACITY + ')'; } browserCanvasContext.fill(); browserCanvasContext.lineWidth = 1; browserCanvasContext.stroke(); browserCanvasContext.beginPath(); /* put the labels with the candles values */ let y; printLabel('High', X_AXIS, frameTitleHeight + frameBodyHeight * 0.05, '1'); printLabel(currentCandle.innerCandle.max, X_AXIS, frameTitleHeight + frameBodyHeight * 0.10, '0.50'); printLabel('Low', X_AXIS, frameTitleHeight + frameBodyHeight * 0.95, '1'); printLabel(currentCandle.innerCandle.min, X_AXIS, frameTitleHeight + frameBodyHeight * 0.90, '0.50'); y = Y_AXIS - currentCandle.bodyHeight / 2; if (y < frameTitleHeight + frameBodyHeight * 0.15) { y = frameTitleHeight + frameBodyHeight * 0.15; } if (y > frameTitleHeight + frameBodyHeight * 0.80) { y = frameTitleHeight + frameBodyHeight * 0.80; } printLabel('Open', X_AXIS * 1 / 2, y , '1'); printLabel(currentCandle.innerCandle.open, X_AXIS * 1 / 2, y + frameBodyHeight * 0.05, '0.50'); y = Y_AXIS + currentCandle.bodyHeight / 2; if (y < frameTitleHeight + frameBodyHeight * 0.15) { y = frameTitleHeight + frameBodyHeight * 0.15; } if (y > frameTitleHeight + frameBodyHeight * 0.80) { y = frameTitleHeight + frameBodyHeight * 0.80; } printLabel('Close', X_AXIS * 3 / 2, y , '1'); printLabel(currentCandle.innerCandle.close, X_AXIS * 3 / 2, y + frameBodyHeight * 0.05, '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(); } }