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Diffstat (limited to 'web/nms.gathering.org/speedometer/c3-master/src/data.convert.js')
| -rw-r--r-- | web/nms.gathering.org/speedometer/c3-master/src/data.convert.js | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/web/nms.gathering.org/speedometer/c3-master/src/data.convert.js b/web/nms.gathering.org/speedometer/c3-master/src/data.convert.js new file mode 100644 index 0000000..4384e7a --- /dev/null +++ b/web/nms.gathering.org/speedometer/c3-master/src/data.convert.js @@ -0,0 +1,191 @@ +c3_chart_internal_fn.convertUrlToData = function (url, mimeType, keys, done) { + var $$ = this, type = mimeType ? mimeType : 'csv'; + $$.d3.xhr(url, function (error, data) { + var d; + if (!data) { + throw new Error(error.responseURL + ' ' + error.status + ' (' + error.statusText + ')'); + } + if (type === 'json') { + d = $$.convertJsonToData(JSON.parse(data.response), keys); + } else if (type === 'tsv') { + d = $$.convertTsvToData(data.response); + } else { + d = $$.convertCsvToData(data.response); + } + done.call($$, d); + }); +}; +c3_chart_internal_fn.convertXsvToData = function (xsv, parser) { + var rows = parser.parseRows(xsv), d; + if (rows.length === 1) { + d = [{}]; + rows[0].forEach(function (id) { + d[0][id] = null; + }); + } else { + d = parser.parse(xsv); + } + return d; +}; +c3_chart_internal_fn.convertCsvToData = function (csv) { + return this.convertXsvToData(csv, this.d3.csv); +}; +c3_chart_internal_fn.convertTsvToData = function (tsv) { + return this.convertXsvToData(tsv, this.d3.tsv); +}; +c3_chart_internal_fn.convertJsonToData = function (json, keys) { + var $$ = this, + new_rows = [], targetKeys, data; + if (keys) { // when keys specified, json would be an array that includes objects + if (keys.x) { + targetKeys = keys.value.concat(keys.x); + $$.config.data_x = keys.x; + } else { + targetKeys = keys.value; + } + new_rows.push(targetKeys); + json.forEach(function (o) { + var new_row = []; + targetKeys.forEach(function (key) { + // convert undefined to null because undefined data will be removed in convertDataToTargets() + var v = isUndefined(o[key]) ? null : o[key]; + new_row.push(v); + }); + new_rows.push(new_row); + }); + data = $$.convertRowsToData(new_rows); + } else { + Object.keys(json).forEach(function (key) { + new_rows.push([key].concat(json[key])); + }); + data = $$.convertColumnsToData(new_rows); + } + return data; +}; +c3_chart_internal_fn.convertRowsToData = function (rows) { + var keys = rows[0], new_row = {}, new_rows = [], i, j; + for (i = 1; i < rows.length; i++) { + new_row = {}; + for (j = 0; j < rows[i].length; j++) { + if (isUndefined(rows[i][j])) { + throw new Error("Source data is missing a component at (" + i + "," + j + ")!"); + } + new_row[keys[j]] = rows[i][j]; + } + new_rows.push(new_row); + } + return new_rows; +}; +c3_chart_internal_fn.convertColumnsToData = function (columns) { + var new_rows = [], i, j, key; + for (i = 0; i < columns.length; i++) { + key = columns[i][0]; + for (j = 1; j < columns[i].length; j++) { + if (isUndefined(new_rows[j - 1])) { + new_rows[j - 1] = {}; + } + if (isUndefined(columns[i][j])) { + throw new Error("Source data is missing a component at (" + i + "," + j + ")!"); + } + new_rows[j - 1][key] = columns[i][j]; + } + } + return new_rows; +}; +c3_chart_internal_fn.convertDataToTargets = function (data, appendXs) { + var $$ = this, config = $$.config, + ids = $$.d3.keys(data[0]).filter($$.isNotX, $$), + xs = $$.d3.keys(data[0]).filter($$.isX, $$), + targets; + + // save x for update data by load when custom x and c3.x API + ids.forEach(function (id) { + var xKey = $$.getXKey(id); + + if ($$.isCustomX() || $$.isTimeSeries()) { + // if included in input data + if (xs.indexOf(xKey) >= 0) { + $$.data.xs[id] = (appendXs && $$.data.xs[id] ? $$.data.xs[id] : []).concat( + data.map(function (d) { return d[xKey]; }) + .filter(isValue) + .map(function (rawX, i) { return $$.generateTargetX(rawX, id, i); }) + ); + } + // if not included in input data, find from preloaded data of other id's x + else if (config.data_x) { + $$.data.xs[id] = $$.getOtherTargetXs(); + } + // if not included in input data, find from preloaded data + else if (notEmpty(config.data_xs)) { + $$.data.xs[id] = $$.getXValuesOfXKey(xKey, $$.data.targets); + } + // MEMO: if no x included, use same x of current will be used + } else { + $$.data.xs[id] = data.map(function (d, i) { return i; }); + } + }); + + + // check x is defined + ids.forEach(function (id) { + if (!$$.data.xs[id]) { + throw new Error('x is not defined for id = "' + id + '".'); + } + }); + + // convert to target + targets = ids.map(function (id, index) { + var convertedId = config.data_idConverter(id); + return { + id: convertedId, + id_org: id, + values: data.map(function (d, i) { + var xKey = $$.getXKey(id), rawX = d[xKey], x = $$.generateTargetX(rawX, id, i); + // use x as categories if custom x and categorized + if ($$.isCustomX() && $$.isCategorized() && index === 0 && rawX) { + if (i === 0) { config.axis_x_categories = []; } + config.axis_x_categories.push(rawX); + } + // mark as x = undefined if value is undefined and filter to remove after mapped + if (isUndefined(d[id]) || $$.data.xs[id].length <= i) { + x = undefined; + } + return {x: x, value: d[id] !== null && !isNaN(d[id]) ? +d[id] : null, id: convertedId}; + }).filter(function (v) { return isDefined(v.x); }) + }; + }); + + // finish targets + targets.forEach(function (t) { + var i; + // sort values by its x + if (config.data_xSort) { + t.values = t.values.sort(function (v1, v2) { + var x1 = v1.x || v1.x === 0 ? v1.x : Infinity, + x2 = v2.x || v2.x === 0 ? v2.x : Infinity; + return x1 - x2; + }); + } + // indexing each value + i = 0; + t.values.forEach(function (v) { + v.index = i++; + }); + // this needs to be sorted because its index and value.index is identical + $$.data.xs[t.id].sort(function (v1, v2) { + return v1 - v2; + }); + }); + + // set target types + if (config.data_type) { + $$.setTargetType($$.mapToIds(targets).filter(function (id) { return ! (id in config.data_types); }), config.data_type); + } + + // cache as original id keyed + targets.forEach(function (d) { + $$.addCache(d.id_org, d); + }); + + return targets; +}; |