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Direktori : /home/medipszd/www/bower_components/jquery-sparkline/src/ |
Current File : /home/medipszd/www/bower_components/jquery-sparkline/src/chart-tristate.js |
/** * Tristate charts */ $.fn.sparkline.tristate = tristate = createClass($.fn.sparkline._base, barHighlightMixin, { type: 'tristate', init: function (el, values, options, width, height) { var barWidth = parseInt(options.get('barWidth'), 10), barSpacing = parseInt(options.get('barSpacing'), 10); tristate._super.init.call(this, el, values, options, width, height); this.regionShapes = {}; this.barWidth = barWidth; this.barSpacing = barSpacing; this.totalBarWidth = barWidth + barSpacing; this.values = $.map(values, Number); this.width = width = (values.length * barWidth) + ((values.length - 1) * barSpacing); if ($.isArray(options.get('colorMap'))) { this.colorMapByIndex = options.get('colorMap'); this.colorMapByValue = null; } else { this.colorMapByIndex = null; this.colorMapByValue = options.get('colorMap'); if (this.colorMapByValue && this.colorMapByValue.get === undefined) { this.colorMapByValue = new RangeMap(this.colorMapByValue); } } this.initTarget(); }, getRegion: function (el, x, y) { return Math.floor(x / this.totalBarWidth); }, getCurrentRegionFields: function () { var currentRegion = this.currentRegion; return { isNull: this.values[currentRegion] === undefined, value: this.values[currentRegion], color: this.calcColor(this.values[currentRegion], currentRegion), offset: currentRegion }; }, calcColor: function (value, valuenum) { var values = this.values, options = this.options, colorMapByIndex = this.colorMapByIndex, colorMapByValue = this.colorMapByValue, color, newColor; if (colorMapByValue && (newColor = colorMapByValue.get(value))) { color = newColor; } else if (colorMapByIndex && colorMapByIndex.length > valuenum) { color = colorMapByIndex[valuenum]; } else if (values[valuenum] < 0) { color = options.get('negBarColor'); } else if (values[valuenum] > 0) { color = options.get('posBarColor'); } else { color = options.get('zeroBarColor'); } return color; }, renderRegion: function (valuenum, highlight) { var values = this.values, options = this.options, target = this.target, canvasHeight, height, halfHeight, x, y, color; canvasHeight = target.pixelHeight; halfHeight = Math.round(canvasHeight / 2); x = valuenum * this.totalBarWidth; if (values[valuenum] < 0) { y = halfHeight; height = halfHeight - 1; } else if (values[valuenum] > 0) { y = 0; height = halfHeight - 1; } else { y = halfHeight - 1; height = 2; } color = this.calcColor(values[valuenum], valuenum); if (color === null) { return; } if (highlight) { color = this.calcHighlightColor(color, options); } return target.drawRect(x, y, this.barWidth - 1, height - 1, color, color); } });