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| define(["require", "exports", "@syncfusion/ej2-svg-base", "../../common/utils/helper", "@syncfusion/ej2-base"], function (require, exports, ej2_svg_base_1, helper_1, ej2_base_1) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var LastValueLabel = (function () {
function LastValueLabel(chartInstance) {
this.padding = 6;
this.chart = chartInstance;
}
LastValueLabel.prototype.initPrivateVariables = function (chart) {
this.chart = chart;
this.elementID = chart.element.id;
this.svgRenderer = chart.renderer;
};
LastValueLabel.prototype.render = function (series, chart, lastValueLabel, isExisting) {
if (!this.chart || !this.svgRenderer) {
this.initPrivateVariables(chart);
}
if (!chart.enableCanvas && !series.lastValueLabelElement) {
var groupID = this.elementID + "_LastValueLabel_Group_" + series.index;
series.lastValueLabelElement = chart.renderer.createGroup({ id: groupID });
}
this.renderLastValue(series, chart, lastValueLabel, isExisting ? isExisting : false);
};
LastValueLabel.prototype.renderLastValue = function (series, chart, lastValueLabel, isExisting) {
var isHighLowOpenClose = series.seriesType === 'HighLowOpenClose';
var isHighLow = series.seriesType === 'HighLow';
Iif (series.visiblePoints.length < 1) {
return;
}
var lastPoint = series.visiblePoints[series.visiblePoints.length - 1];
var yAxis = series.yAxis;
var clipRect = series.clipRect;
var labelId = this.elementID + "_LastValueLabel_" + series.index;
var rawValue = isHighLowOpenClose ? parseFloat(lastPoint.close)
: isHighLow ? parseFloat(lastPoint.low) : lastPoint.yValue;
Iif (!(series.type === 'Candle'
? (lastPoint.symbolLocations && lastPoint.symbolLocations.length > 0)
: isHighLowOpenClose
? (lastPoint.regions && lastPoint.regions.length > 0)
: (lastPoint.symbolLocations && lastPoint.symbolLocations.length > 0))
|| (rawValue > yAxis.visibleRange.max || rawValue < yAxis.visibleRange.min)) {
return;
}
var translateX = series.chart.requireInvertedAxis ? clipRect.x + (series.type === 'Candle'
? lastPoint.symbolLocations[1].x : isHighLowOpenClose ? (lastPoint.open <= lastPoint.close)
? lastPoint.regions[1].x : lastPoint.regions[2].x : lastPoint.symbolLocations[0].x) : clipRect.x;
var translateY = series.chart.requireInvertedAxis ? (clipRect.y) : clipRect.y
+ (series.type === 'Candle' ? lastPoint.symbolLocations[1].y : isHighLowOpenClose
? (lastPoint.open <= lastPoint.close) ? lastPoint.regions[1].y : lastPoint.regions[2].y : lastPoint.symbolLocations[0].y);
translateX = chart.requireInvertedAxis && (isHighLow || series.type === 'Candle') && !yAxis.isInversed
? translateX - lastPoint.regions[isHighLow ? 0 : 1].width : translateX;
translateY = !chart.requireInvertedAxis && (isHighLow || series.type === 'Candle') && !yAxis.isInversed
? translateY + lastPoint.regions[isHighLow ? 0 : 1].height : translateY;
var transformValue = 'translate(' + translateX + ',' + translateY + ')';
var previousTransform = series.lastValueLabelElement ? series.lastValueLabelElement.getAttribute('transform') : null;
var labelFormat = yAxis.labelFormat;
var formattedRawValue = rawValue.toString();
Eif (!(labelFormat && labelFormat.indexOf('n') > -1)) {
formattedRawValue = (rawValue % 1 === 0)
? rawValue.toFixed(0)
: (rawValue.toFixed(2).slice(-1) === '0'
? rawValue.toFixed(1)
: rawValue.toFixed(2));
}
var lastLabeltext = labelFormat && labelFormat.match('{value}') !== null
? labelFormat.replace('{value}', yAxis.format(parseFloat(formattedRawValue)))
: yAxis.format(parseFloat(formattedRawValue));
var style = lastValueLabel.font;
var size = ej2_svg_base_1.measureText(lastLabeltext, style, this.chart.themeStyle.crosshairLabelFont);
var labelWidth = size.width + this.padding * 2;
var labelHeight = size.height + this.padding * 2;
var baseValue = chart.requireInvertedAxis ? (chart.enableCanvas ? yAxis.rect.y : yAxis.rect.y - translateY)
: (chart.enableCanvas ? yAxis.rect.x : yAxis.rect.x - translateX);
var tickSize = yAxis.tickPosition === 'Outside' ? yAxis.majorTickLines.height : 0;
var axisLabelPadding = yAxis.labelPadding;
var borderWidth = lastValueLabel.border.width * 2;
var labelSize = chart.requireInvertedAxis ? yAxis.maxLabelSize.height : yAxis.maxLabelSize.width;
var isOutside = yAxis.labelPosition === 'Outside';
var isOpposed = chart.enableRtl && !chart.requireInvertedAxis ? !yAxis.opposedPosition : yAxis.opposedPosition;
var labelX = chart.requireInvertedAxis ? (chart.enableCanvas ? translateX : 0) - labelWidth / 2 : isOutside
? baseValue + (isOpposed
? axisLabelPadding + tickSize - borderWidth
: -(axisLabelPadding + tickSize + borderWidth + labelSize))
: baseValue + (isOpposed
? -(labelWidth)
: 0);
var labelY = chart.requireInvertedAxis ? isOutside
? baseValue + (isOpposed
? -(labelHeight + axisLabelPadding + tickSize)
: (axisLabelPadding + tickSize + borderWidth))
: baseValue + (isOpposed
? 0
: -(labelHeight)) : (chart.enableCanvas ? translateY : 0) - labelHeight / 2;
labelX = Math.max(-translateX + borderWidth, Math.min(labelX, chart.availableSize.width - labelWidth - borderWidth - translateX));
labelY = Math.max(-translateY + borderWidth, Math.min(labelY, chart.availableSize.height - labelHeight - borderWidth - translateY));
var labelRect = new ej2_svg_base_1.Rect(labelX, labelY, labelWidth, labelHeight);
chart.lastValueLabelCollections.push(labelRect);
var background = this.chart.renderer.drawRectangle(new helper_1.RectOption(this.elementID + "_LastValueLabel_Background_" + series.index, lastValueLabel.background || chart.themeStyle.crosshairFill, { width: lastValueLabel.border.width || 1, color: lastValueLabel.border.color }, 1, labelRect, lastValueLabel.rx, lastValueLabel.ry));
helper_1.appendChildElement(this.chart.enableCanvas, series.lastValueLabelElement, background, this.chart.redraw);
var lineStartY = chart.requireInvertedAxis ? (chart.enableCanvas ? translateY : 0)
+ (isOpposed ? clipRect.height : 0) : chart.enableCanvas ? translateY : 0;
var lineStartX = chart.requireInvertedAxis ? chart.enableCanvas ? translateX : 0
: (isOpposed ? chart.enableCanvas ? translateX : 0 : chart.enableCanvas ? translateX
+ clipRect.width : clipRect.width);
var lineEndX = chart.requireInvertedAxis ? chart.enableCanvas ? translateX : 0
: isOpposed ? labelX : labelX + labelWidth;
var lineEndY = chart.requireInvertedAxis ? (isOpposed ? (labelY + labelHeight)
: labelY) : chart.enableCanvas ? translateY : 0;
var linePath = "M " + lineStartX + " " + lineStartY + " L " + lineEndX + " " + lineEndY;
var line = this.chart.renderer.drawPath(new ej2_svg_base_1.PathOption(this.elementID + "_LastValueLine_" + series.index, 'none', lastValueLabel.lineWidth || 1, lastValueLabel.lineColor || chart.themeStyle.crosshairLine, 1, lastValueLabel.dashArray || '', linePath));
helper_1.appendChildElement(this.chart.enableCanvas, series.lastValueLabelElement, line, this.chart.redraw);
helper_1.textElement(this.chart.renderer, new ej2_svg_base_1.TextOption(labelId, labelRect.x + labelRect.width / 2, (labelRect.y + labelRect.height / 2 + size.height * 0.35), 'middle', lastLabeltext), style, style.color || chart.themeStyle.crosshairLabelFont.color, series.lastValueLabelElement, false, chart.redraw, false, false, null, null, null, null, chart.enableCanvas, null, this.chart.themeStyle.crosshairLabelFont, new helper_1.ChartLocation(labelRect.x + labelRect.width / 2, (labelRect.y + labelRect.height / 2 + size.height * 0.35)));
if (!this.chart.enableCanvas && isExisting && previousTransform && this.chart.enableAnimation) {
this.animateLastValueLabel(series.lastValueLabelElement, previousTransform, translateX, translateY, series.chart.duration);
}
else if (!this.chart.enableCanvas) {
series.lastValueLabelElement.setAttribute('transform', transformValue);
series.lastValueLabelElement.setAttribute('visibility', (chart.stockChart ? chart.stockChart.initialRender : chart.animateSeries) && series.animation.enable ? 'hidden' : 'visible');
}
};
LastValueLabel.prototype.animateLastValueLabel = function (element, previousTransform, targetX, targetY, animateDuration) {
var transform = previousTransform;
var transformValues = transform.split(/[(),\s]+/);
var existingTranslateX = parseFloat(transformValues[1]) || 0;
var existingTranslateY = parseFloat(transformValues[2]) || 0;
var duration = 500;
if (!ej2_base_1.isNullOrUndefined(animateDuration)) {
duration = animateDuration;
}
new ej2_base_1.Animation({}).animate(ej2_base_1.createElement('div'), {
duration: duration,
progress: function (args) {
var calculatedTranslateY = helper_1.linear(args.timeStamp, existingTranslateY, targetY - existingTranslateY, args.duration);
var calculatedTranslateX = helper_1.linear(args.timeStamp, existingTranslateX, targetX - existingTranslateX, args.duration);
var transformValue = 'translate(' + calculatedTranslateX + ',' + calculatedTranslateY + ')';
element.setAttribute('transform', transformValue);
},
end: function () {
var transformValue = 'translate(' + targetX + ',' + targetY + ')';
element.setAttribute('transform', transformValue);
}
});
};
LastValueLabel.prototype.getModuleName = function () {
return 'LastValueLabel';
};
LastValueLabel.prototype.destroy = function () {
};
return LastValueLabel;
}());
exports.LastValueLabel = LastValueLabel;
});
|