diff options
Diffstat (limited to 'web/nms.gathering.org/speedometer/c3-master/extensions/js')
| -rw-r--r-- | web/nms.gathering.org/speedometer/c3-master/extensions/js/c3ext.js | 380 |
1 files changed, 380 insertions, 0 deletions
diff --git a/web/nms.gathering.org/speedometer/c3-master/extensions/js/c3ext.js b/web/nms.gathering.org/speedometer/c3-master/extensions/js/c3ext.js new file mode 100644 index 0000000..8ff301f --- /dev/null +++ b/web/nms.gathering.org/speedometer/c3-master/extensions/js/c3ext.js @@ -0,0 +1,380 @@ +var c3ext = {}; +c3ext.generate = function (options) { + + if (options.zoom2 != null) { + zoom2_reducers = options.zoom2.reducers || {}; + zoom2_enabled = options.zoom2.enabled; + _zoom2_factor = options.zoom2.factor || 1; + _zoom2_maxItems = options.zoom2.maxItems; + } + + if (!zoom2_enabled) { + return c3.generate(options); + } + + + var originalData = Q.copy(options.data); + var zoom2_reducers; + var zoom2_enabled; + var _zoom2_maxItems; + + if (_zoom2_maxItems == null) { + var el = d3.select(options.bindto)[0][0]; + if (el != null) { + var availWidth = el.clientWidth; + + var pointSize = 20; + _zoom2_maxItems = Math.ceil(availWidth / pointSize); + } + if (_zoom2_maxItems == null || _zoom2_maxItems < 10) { + _zoom2_maxItems = 10; + } + } + + function onZoomChanged(e) { + refresh(); + } + + var zoom2 = c3ext.ZoomBehavior({ changed: onZoomChanged, bindto: options.bindto }); + + zoom2.enhance = function () { + _zoom2_maxItems *= 2; + var totalItems = zoom2.getZoom().totalItems; + if (_zoom2_maxItems > totalItems) + _zoom2_maxItems = totalItems; + refresh(); + } + zoom2.dehance = function () { + _zoom2_maxItems = Math.ceil(_zoom2_maxItems / 2) + 1; + refresh(); + } + + zoom2.maxItems = function () { return _zoom2_maxItems; }; + function zoomAndReduceData(list, zoomRange, func, maxItems) { + //var maxItems = 10;//Math.ceil(10 * zoomFactor); + var list2 = list.slice(zoomRange[0], zoomRange[1]); + var chunkSize = 1; + var list3 = list2; + if (list3.length > maxItems) { + var chunkSize = Math.ceil(list2.length / maxItems); + list3 = list3.splitIntoChunksOf(chunkSize).map(func); + } + //console.log("x" + getCurrentZoomLevel() + ", maxItems=" + maxItems + " chunkSize=" + chunkSize + " totalBefore=" + list2.length + ", totalAfter=" + list3.length); + return list3; + } + + function first(t) { return t[0]; } + + var getDataForZoom = function (data) { + if (data.columns == null || data.columns.length == 0) + return; + + var zoomInfo = zoom2.getZoom(); + if (zoomInfo.totalItems != data.columns[0].length - 1) { + zoom2.setOptions({ totalItems: data.columns[0].length - 1 }); + zoomInfo = zoom2.getZoom(); + } + data.columns = originalData.columns.map(function (column) { + var name = column[0]; + var reducer = zoom2_reducers[name] || first; //by default take the first + + var values = column.slice(1); + var newValues = zoomAndReduceData(values, zoomInfo.currentZoom, reducer, _zoom2_maxItems); + return [name].concat(newValues); + }); + return data; + }; + + getDataForZoom(options.data); + var chart = c3.generate(options); + var _chart_load_org = chart.load.bind(chart); + chart.zoom2 = zoom2; + chart.load = function (data) { + if (data.unload) { + unload(data.unload); + delete data.unload; + } + Q.copy(data, originalData); + refresh(); + } + chart.unload = function (names) { + unload(names); + refresh(); + } + + function unload(names) { + originalData.columns.removeAll(function (t) { names.contains(t); }); + } + + + function refresh() { + var data = Q.copy(originalData) + getDataForZoom(data); + _chart_load_org(data); + }; + + + return chart; +} + +c3ext.ZoomBehavior = function (options) { + var zoom = { __type: "ZoomBehavior" }; + + var _zoom2_factor; + var _left; + var totalItems; + var currentZoom; + var bindto = options.bindto; + var _zoomChanged = options.changed || function () { }; + var element; + var mousewheelTimer; + var deltaY = 0; + var leftRatio = 0; + + + zoom.setOptions = function (options) { + if (options == null) + options = {}; + _zoom2_factor = options.factor || 1; + _left = 0; + totalItems = options.totalItems || 0; + currentZoom = [0, totalItems]; + _zoomChanged = options.changed || _zoomChanged; + } + + zoom.setOptions(options); + + + function verifyZoom(newZoom) { + //newZoom.sort(); + if (newZoom[1] > totalItems) { + var diff = newZoom[1] - totalItems; + newZoom[0] -= diff; + newZoom[1] -= diff; + } + if (newZoom[0] < 0) { + var diff = newZoom[0] * -1; + newZoom[0] += diff; + newZoom[1] += diff; + } + if (newZoom[1] > totalItems) + newZoom[1] = totalItems; + if (newZoom[0] < 0) + newZoom[0] = 0; + } + + function zoomAndPan(zoomFactor, left) { + var itemsToShow = Math.ceil(totalItems / zoomFactor); + var newZoom = [left, left + itemsToShow]; + verifyZoom(newZoom); + currentZoom = newZoom; + onZoomChanged(); + } + + function onZoomChanged() { + if (_zoomChanged != null) + _zoomChanged(zoom.getZoom()); + } + function applyZoomAndPan() { + zoomAndPan(_zoom2_factor, _left); + } + function getItemsToShow() { + var itemsToShow = Math.ceil(totalItems / _zoom2_factor); + return itemsToShow; + } + + + zoom.getZoom = function () { + return { totalItems: totalItems, currentZoom: currentZoom.slice() }; + } + + zoom.factor = function (factor, skipDraw) { + if (arguments.length == 0) + return _zoom2_factor; + _zoom2_factor = factor; + if (_zoom2_factor < 1) + _zoom2_factor = 1; + if (skipDraw) + return; + applyZoomAndPan(); + } + zoom.left = function (left, skipDraw) { + if (arguments.length == 0) + return _left; + _left = left; + if (_left < 0) + _left = 0; + var pageSize = getItemsToShow(); + //_left += pageSize; + if (_left + pageSize > totalItems) + _left = totalItems - pageSize; + console.log({ left: _left, pageSize: pageSize }); + if (skipDraw) + return; + applyZoomAndPan(); + } + + zoom.zoomAndPanByRatio = function (zoomRatio, panRatio) { + + var pageSize = getItemsToShow(); + var leftOffset = Math.round(pageSize * panRatio); + var mouseLeft = _left + leftOffset; + zoom.factor(zoom.factor() * zoomRatio, true); + + var finalLeft = mouseLeft; + if (zoomRatio != 1) { + var pageSize2 = getItemsToShow(); + var leftOffset2 = Math.round(pageSize2 * panRatio); + finalLeft = mouseLeft - leftOffset2; + } + zoom.left(finalLeft, true); + applyZoomAndPan(); + } + + zoom.zoomIn = function () { + zoom.zoomAndPanByRatio(2, 0); + } + + zoom.zoomOut = function () { + zoom.zoomAndPanByRatio(0.5, 0); + } + + zoom.panLeft = function () { + zoom.zoomAndPanByRatio(1, -1); + } + zoom.panRight = function () { + zoom.zoomAndPanByRatio(1, 1); + } + + zoom.reset = function () { + _left = 0; + _zoom2_factor = 1; + applyZoomAndPan(); + } + + function doZoom() { + if (deltaY != 0) { + var maxDelta = 10; + var multiply = (maxDelta + deltaY) / maxDelta; + //var factor = chart.zoom2.factor()*multiply; + //factor= Math.ceil(factor*100) / 100; + console.log({ deltaY: deltaY, multiply: multiply }); + zoom.zoomAndPanByRatio(multiply, leftRatio);//0.5);//leftRatio); + deltaY = 0; + } + } + + function element_mousewheel(e) { + deltaY += e.deltaY; + leftRatio = (e.offsetX - 70) / (e.currentTarget.offsetWidth - 70); + //console.log({ "e.offsetX": e.offsetX, "e.currentTarget.offsetWidth": e.currentTarget.offsetWidth, leftRatio: leftRatio }); + mousewheelTimer.set(150); + e.preventDefault(); + } + + if (bindto != null) { + element = $(options.bindto); + if (element.mousewheel) { + mousewheelTimer = new Timer(doZoom); + element.mousewheel(element_mousewheel); + } + } + + return zoom; + +} + +if (typeof (Q) == "undefined") { + var Q = function () { + }; + + Q.copy = function (src, target, options, depth) { + ///<summary>Copies an object into a target object, recursively cloning any object or array in the way, overwrite=true will overwrite a primitive field value even if exists</summary> + ///<param name="src" /> + ///<param name="target" /> + ///<param name="options" type="Object">{ overwrite:false }</param> + ///<returns type="Object">The copied object</returns> + if (depth == null) + depth = 0; + if (depth == 100) { + console.warn("Q.copy is in depth of 100 - possible circular reference") + } + options = options || { overwrite: false }; + if (src == target || src == null) + return target; + if (typeof (src) != "object") { + if (options.overwrite || target == null) + return src; + return target; + } + if (typeof (src.clone) == "function") { + if (options.overwrite || target == null) + return src.clone(); + return target; + } + if (target == null) { + if (src instanceof Array) + target = []; + else + target = {}; + } + + if (src instanceof Array) { + for (var i = 0; i < src.length; i++) { + var item = src[i]; + var item2 = target[i]; + item2 = Q.copy(item, item2, options, depth + 1); + target[i] = item2; + } + target.splice(src.length, target.length - src.length); + return target; + } + for (var p in src) { + var value = src[p]; + var value2 = target[p]; + value2 = Q.copy(value, value2, options, depth + 1); + target[p] = value2; + } + return target; + } +} +if (typeof (Timer) == "undefined") { + var Timer = function (action, ms) { + this.action = action; + if (ms != null) + this.set(ms); + } + + Timer.prototype.set = function (ms) { + if (ms == null) + ms = this._ms; + else + this._ms = ms; + this.clear(); + if (ms == null) + return; + this.timeout = window.setTimeout(this.onTick.bind(this), ms); + } + + Timer.prototype.onTick = function () { + this.clear(); + this.action(); + } + + Timer.prototype.clear = function (ms) { + if (this.timeout == null) + return; + window.clearTimeout(this.timeout); + this.timeout = null; + } +} +if (typeof(Array.prototype.splitIntoChunksOf)=="undefined") { + Array.prototype.splitIntoChunksOf = function (countInEachChunk) { + var chunks = Math.ceil(this.length / countInEachChunk); + var list = []; + for (var i = 0; i < this.length; i += countInEachChunk) { + list.push(this.slice(i, i + countInEachChunk)); + } + return list; + } +}
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