85 lines
2.3 KiB
JavaScript
85 lines
2.3 KiB
JavaScript
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function newBottomSpace() {
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var thisObject = {
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deleteTradingHistory: undefined,
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chartAspectRatio: undefined,
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container: undefined,
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draw: draw,
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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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thisObject.container.frame.width = browserCanvas.width;
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thisObject.container.frame.height = BOTTOM_SPACE_HEIGHT;
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container.frame.position.x = 0;
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container.frame.position.y = viewPort.visibleArea.bottomLeft.y;
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container.isDraggeable = false;
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return thisObject;
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function initialize() {
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thisObject.deleteTradingHistory = newDeleteTradingHistory();
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thisObject.deleteTradingHistory.initialize();
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thisObject.chartAspectRatio = newChartAspectRatio();
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thisObject.chartAspectRatio.initialize();
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}
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function getContainer(point) {
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let container;
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container = thisObject.deleteTradingHistory.getContainer(point);
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if (container !== undefined) { return container; }
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container = thisObject.chartAspectRatio.getContainer(point);
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if (container !== undefined) { return container; }
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/* The point does not belong to any inner container, so we return the current container. */
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return thisObject.container;
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}
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function draw() {
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thisObject.container.frame.draw(false, false);
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drawBackground();
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thisObject.deleteTradingHistory.draw();
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thisObject.chartAspectRatio.draw();
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}
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function drawBackground() {
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let opacity = 1;
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let zeroPoint = {
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x: 0,
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y: 0
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};
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zeroPoint = thisObject.container.frame.frameThisPoint(zeroPoint);
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let breakpointsHeight = 15;
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browserCanvasContext.beginPath();
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browserCanvasContext.rect(zeroPoint.x, zeroPoint.y + breakpointsHeight, zeroPoint.x + thisObject.container.frame.width, zeroPoint.y + thisObject.container.frame.height - breakpointsHeight);
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browserCanvasContext.fillStyle = 'rgba(' + UI_COLOR.DARK + ', ' + opacity + ')';
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browserCanvasContext.closePath();
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browserCanvasContext.fill();
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}
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} |