@future-grid/fgp-graph
Version:
fgp-graph is a chart lib based on Dygraphs
133 lines (105 loc) • 13.8 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports["default"] = void 0;
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
var utils =
/*#__PURE__*/
function () {
function utils() {
_classCallCheck(this, utils);
}
_createClass(utils, null, [{
key: "getContextPixelRatio",
value: function getContextPixelRatio(context) {
try {
var devicePixelRatio = window.devicePixelRatio;
var backingStoreRatio = context.webkitBackingStorePixelRatio || context.mozBackingStorePixelRatio || context.msBackingStorePixelRatio || context.oBackingStorePixelRatio || context.backingStorePixelRatio || 1;
if (devicePixelRatio !== undefined) {
return devicePixelRatio / backingStoreRatio;
} else {
// At least devicePixelRatio must be defined for this ratio to make sense.
// We default backingStoreRatio to 1: this does not exist on some browsers
// (i.e. desktop Chrome).
return 1;
}
} catch (e) {
return 1;
}
}
}]);
return utils;
}();
exports["default"] = utils;
_defineProperty(utils, "getContext", function (canvas) {
return canvas.getContext("2d");
});
_defineProperty(utils, "createCanvas", function () {
return document.createElement('canvas');
});
_defineProperty(utils, "findPos", function (obj) {
var p = obj.getBoundingClientRect(),
w = window,
d = document.documentElement;
return {
x: p.left + (w.pageXOffset || d.scrollLeft),
y: p.top + (w.pageYOffset || d.scrollTop)
};
});
_defineProperty(utils, "cancelEvent", function (e) {
e = e ? e : window.event;
if (e.stopPropagation) {
e.stopPropagation();
}
if (e.preventDefault) {
e.preventDefault();
}
e.cancelBubble = true;
e.cancel = true;
e.returnValue = false;
return false;
});
_defineProperty(utils, "addEvent", function (element, type, fn) {
element.addEventListener(type, fn, false);
});
_defineProperty(utils, "removeEvent", function (elem, type, fn) {
elem.removeEventListener(type, fn, false);
});
_defineProperty(utils, "pageX", function (e) {
return !e.pageX || e.pageX < 0 ? 0 : e.pageX;
});
_defineProperty(utils, "pageY", function (e) {
return !e.pageY || e.pageY < 0 ? 0 : e.pageX;
});
_defineProperty(utils, "dragGetX", function (e, context) {
return utils.pageX(e) - context.px;
});
_defineProperty(utils, "dragGetY", function (e, context) {
return utils.pageY(e) - context.px;
});
_defineProperty(utils, "log10", function (x) {
return Math.log(x);
});
_defineProperty(utils, "LOG_SCALE", 10);
_defineProperty(utils, "LN_TEN", Math.log(utils.LOG_SCALE));
_defineProperty(utils, "findBestCollection", function (collection, dateWindow) {
// find if there is someone locked.
var chosenCollection = collection.find(function (value, index, obj) {
return !!value.locked;
});
if (chosenCollection) {
return chosenCollection;
} else {
chosenCollection = collection.find(function (value, index, obj) {
if (value.threshold) {
return dateWindow[1] - (dateWindow[0] - value.interval) <= value.threshold.max;
}
});
return chosenCollection;
}
});
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{GraphCollection} from \"../metadata/configurations\";\n\nexport default class utils {\n\n    static getContext = (canvas: HTMLCanvasElement) => {\n        return canvas.getContext(\"2d\");\n    };\n\n    static createCanvas = () => {\n        return document.createElement('canvas');\n    };\n\n    static findPos = (obj: HTMLElement): { x: number, y: number } => {\n        const p = obj.getBoundingClientRect(),\n            w = window,\n            d = document.documentElement;\n\n        return {\n            x: p.left + (w.pageXOffset || d.scrollLeft),\n            y: p.top + (w.pageYOffset || d.scrollTop)\n        };\n    };\n\n    static getContextPixelRatio(context: any): number {\n        try {\n            let devicePixelRatio = window.devicePixelRatio;\n            let backingStoreRatio = context.webkitBackingStorePixelRatio ||\n                context.mozBackingStorePixelRatio ||\n                context.msBackingStorePixelRatio ||\n                context.oBackingStorePixelRatio ||\n                context.backingStorePixelRatio || 1;\n            if (devicePixelRatio !== undefined) {\n                return devicePixelRatio / backingStoreRatio;\n            } else {\n                // At least devicePixelRatio must be defined for this ratio to make sense.\n                // We default backingStoreRatio to 1: this does not exist on some browsers\n                // (i.e. desktop Chrome).\n                return 1;\n            }\n        } catch (e) {\n            return 1;\n        }\n    };\n\n    static cancelEvent = (e: any) => {\n        e = e ? e : window.event;\n        if (e.stopPropagation) {\n            e.stopPropagation();\n        }\n        if (e.preventDefault) {\n            e.preventDefault();\n        }\n        e.cancelBubble = true;\n        e.cancel = true;\n        e.returnValue = false;\n        return false;\n    };\n\n    static addEvent = (element: Document, type: any, fn: any) => {\n        element.addEventListener(type, fn, false);\n    };\n\n    static removeEvent = (elem: Document, type: any, fn: any) => {\n        elem.removeEventListener(type, fn, false);\n    };\n\n    static pageX = (e: MouseEvent) => {\n        return (!e.pageX || e.pageX < 0) ? 0 : e.pageX;\n    };\n\n    static pageY = (e: MouseEvent) => {\n        return (!e.pageY || e.pageY < 0) ? 0 : e.pageX;\n    };\n\n    static dragGetX = (e: MouseEvent, context: any) => {\n        return utils.pageX(e) - context.px;\n    };\n\n    static dragGetY = (e: MouseEvent, context: any) => {\n        return utils.pageY(e) - context.px;\n    };\n\n    static log10 = (x: number) => {\n        return Math.log(x);\n    };\n\n    static LOG_SCALE = 10;\n\n    static LN_TEN = Math.log(utils.LOG_SCALE);\n\n    static findBestCollection = (collection: GraphCollection[], dateWindow: [number, number]): GraphCollection | undefined => {\n\n        // find if there is someone locked.\n        let chosenCollection = collection.find((value: GraphCollection, index: number, obj: GraphCollection[]) => {\n            return !!value.locked;\n        });\n\n        if (chosenCollection) {\n            return chosenCollection;\n        } else {\n            chosenCollection = collection.find((value: GraphCollection, index: number, obj: GraphCollection[]) => {\n                if (value.threshold) {\n                    return (dateWindow[1] - (dateWindow[0] - value.interval)) <= (value.threshold.max);\n                }\n            });\n            return chosenCollection;\n        }\n\n    };\n\n}"]}