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TableFilter/src/modules/colOps.js
2015-04-06 18:45:46 +10:00

313 lines
16 KiB
JavaScript

define(["exports", "../dom", "../string", "../types"], function (exports, _dom, _string, _types) {
"use strict";
var _createClass = (function () { function defineProperties(target, props) { for (var key in props) { var prop = props[key]; prop.configurable = true; if (prop.value) prop.writable = true; } Object.defineProperties(target, props); } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
var _classCallCheck = function (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } };
Object.defineProperty(exports, "__esModule", {
value: true
});
var Dom = _dom.Dom;
var Str = _string.Str;
var Types = _types.Types;
var ColOps = exports.ColOps = (function () {
/**
* Column calculations
* @param {Object} tf TableFilter instance
*/
function ColOps(tf) {
_classCallCheck(this, ColOps);
var f = tf.config();
this.colOperation = f.col_operation;
//calls function before col operation
this.onBeforeOperation = Types.isFn(f.on_before_operation) ? f.on_before_operation : null;
//calls function after col operation
this.onAfterOperation = Types.isFn(f.on_after_operation) ? f.on_after_operation : null;
this.tf = tf;
}
_createClass(ColOps, {
calc: {
/**
* Calculates columns' values
* Configuration options are stored in 'colOperation' property
* - 'id' contains ids of elements showing result (array)
* - 'col' contains the columns' indexes (array)
* - 'operation' contains operation type (array, values: 'sum', 'mean',
* 'min', 'max', 'median', 'q1', 'q3')
* - 'write_method' array defines which method to use for displaying the
* result (innerHTML, setValue, createTextNode) - default: 'innerHTML'
* - 'tot_row_index' defines in which row results are displayed
* (integers array)
*
* - changes made by Nuovella:
* (1) optimized the routine (now it will only process each column once),
* (2) added calculations for the median, lower and upper quartile.
*/
value: function calc() {
if (!this.tf.isFirstLoad && !this.tf.hasGrid()) {
return;
}
if (this.onBeforeOperation) {
this.onBeforeOperation.call(null, this.tf);
}
var colOperation = this.colOperation,
labelId = colOperation.id,
colIndex = colOperation.col,
operation = colOperation.operation,
outputType = colOperation.write_method,
totRowIndex = colOperation.tot_row_index,
excludeRow = colOperation.exclude_row,
decimalPrecision = colOperation.decimal_precision !== undefined ? colOperation.decimal_precision : 2;
//nuovella: determine unique list of columns to operate on
var ucolIndex = [],
ucolMax = 0;
ucolIndex[ucolMax] = colIndex[0];
for (var ii = 1; ii < colIndex.length; ii++) {
var saved = 0;
//see if colIndex[ii] is already in the list of unique indexes
for (var jj = 0; jj <= ucolMax; jj++) {
if (ucolIndex[jj] === colIndex[ii]) {
saved = 1;
}
}
//if not saved then, save the index;
if (saved === 0) {
ucolMax++;
ucolIndex[ucolMax] = colIndex[ii];
}
}
if (Str.lower(typeof labelId) == "object" && Str.lower(typeof colIndex) == "object" && Str.lower(typeof operation) == "object") {
var row = this.tf.tbl.rows,
colvalues = [];
for (var ucol = 0; ucol <= ucolMax; ucol++) {
//this retrieves col values
//use ucolIndex because we only want to pass through this loop
//once for each column get the values in this unique column
colvalues.push(this.tf.getColValues(ucolIndex[ucol], true, excludeRow));
//next: calculate all operations for this column
var result,
nbvalues = 0,
temp,
meanValue = 0,
sumValue = 0,
minValue = null,
maxValue = null,
q1Value = null,
medValue = null,
q3Value = null,
meanFlag = 0,
sumFlag = 0,
minFlag = 0,
maxFlag = 0,
q1Flag = 0,
medFlag = 0,
q3Flag = 0,
theList = [],
opsThisCol = [],
decThisCol = [],
labThisCol = [],
oTypeThisCol = [],
mThisCol = -1;
for (var k = 0; k < colIndex.length; k++) {
if (colIndex[k] === ucolIndex[ucol]) {
mThisCol++;
opsThisCol[mThisCol] = Str.lower(operation[k]);
decThisCol[mThisCol] = decimalPrecision[k];
labThisCol[mThisCol] = labelId[k];
oTypeThisCol = outputType !== undefined && Str.lower(typeof outputType) === "object" ? outputType[k] : null;
switch (opsThisCol[mThisCol]) {
case "mean":
meanFlag = 1;
break;
case "sum":
sumFlag = 1;
break;
case "min":
minFlag = 1;
break;
case "max":
maxFlag = 1;
break;
case "median":
medFlag = 1;
break;
case "q1":
q1Flag = 1;
break;
case "q3":
q3Flag = 1;
break;
}
}
}
for (var j = 0; j < colvalues[ucol].length; j++) {
//sort the list for calculation of median and quartiles
if (q1Flag == 1 || q3Flag == 1 || medFlag == 1) {
if (j < colvalues[ucol].length - 1) {
for (k = j + 1; k < colvalues[ucol].length; k++) {
if (eval(colvalues[ucol][k]) < eval(colvalues[ucol][j])) {
temp = colvalues[ucol][j];
colvalues[ucol][j] = colvalues[ucol][k];
colvalues[ucol][k] = temp;
}
}
}
}
var cvalue = parseFloat(colvalues[ucol][j]);
theList[j] = parseFloat(cvalue);
if (!isNaN(cvalue)) {
nbvalues++;
if (sumFlag === 1 || meanFlag === 1) {
sumValue += parseFloat(cvalue);
}
if (minFlag === 1) {
if (minValue === null) {
minValue = parseFloat(cvalue);
} else {
minValue = parseFloat(cvalue) < minValue ? parseFloat(cvalue) : minValue;
}
}
if (maxFlag === 1) {
if (maxValue === null) {
maxValue = parseFloat(cvalue);
} else {
maxValue = parseFloat(cvalue) > maxValue ? parseFloat(cvalue) : maxValue;
}
}
}
} //for j
if (meanFlag === 1) {
meanValue = sumValue / nbvalues;
}
if (medFlag === 1) {
var aux = 0;
if (nbvalues % 2 === 1) {
aux = Math.floor(nbvalues / 2);
medValue = theList[aux];
} else {
medValue = (theList[nbvalues / 2] + theList[nbvalues / 2 - 1]) / 2;
}
}
var posa;
if (q1Flag === 1) {
posa = 0;
posa = Math.floor(nbvalues / 4);
if (4 * posa == nbvalues) {
q1Value = (theList[posa - 1] + theList[posa]) / 2;
} else {
q1Value = theList[posa];
}
}
if (q3Flag === 1) {
posa = 0;
var posb = 0;
posa = Math.floor(nbvalues / 4);
if (4 * posa === nbvalues) {
posb = 3 * posa;
q3Value = (theList[posb] + theList[posb - 1]) / 2;
} else {
q3Value = theList[nbvalues - posa - 1];
}
}
for (var i = 0; i <= mThisCol; i++) {
switch (opsThisCol[i]) {
case "mean":
result = meanValue;
break;
case "sum":
result = sumValue;
break;
case "min":
result = minValue;
break;
case "max":
result = maxValue;
break;
case "median":
result = medValue;
break;
case "q1":
result = q1Value;
break;
case "q3":
result = q3Value;
break;
}
var precision = !isNaN(decThisCol[i]) ? decThisCol[i] : 2;
//if outputType is defined
if (oTypeThisCol && result) {
result = result.toFixed(precision);
if (Dom.id(labThisCol[i])) {
switch (Str.lower(oTypeThisCol)) {
case "innerhtml":
if (isNaN(result) || !isFinite(result) || nbvalues === 0) {
Dom.id(labThisCol[i]).innerHTML = ".";
} else {
Dom.id(labThisCol[i]).innerHTML = result;
}
break;
case "setvalue":
Dom.id(labThisCol[i]).value = result;
break;
case "createtextnode":
var oldnode = Dom.id(labThisCol[i]).firstChild;
var txtnode = Dom.text(result);
Dom.id(labThisCol[i]).replaceChild(txtnode, oldnode);
break;
} //switch
}
} else {
try {
if (isNaN(result) || !isFinite(result) || nbvalues === 0) {
Dom.id(labThisCol[i]).innerHTML = ".";
} else {
Dom.id(labThisCol[i]).innerHTML = result.toFixed(precision);
}
} catch (e) {} //catch
} //else
} //for i
// row(s) with result are always visible
var totRow = totRowIndex && totRowIndex[ucol] ? row[totRowIndex[ucol]] : null;
if (totRow) {
totRow.style.display = "";
}
} //for ucol
} //if typeof
if (this.onAfterOperation) {
this.onAfterOperation.call(null, this.tf);
}
}
}
});
return ColOps;
})();
});
//# sourceMappingURL=colOps.js.map