in plugins/struts2-dojo-plugin/src/main/resources/org/apache/struts2/static/dojo/src/charting/Series.js [28:193]
dojo.extend(dojo.charting.Series, {bind:function (src, bindings) {
this.dataSource = src;
this.bindings = bindings;
}, addBinding:function (name, binding) {
this.bindings[name] = binding;
}, evaluate:function (kwArgs) {
var ret = [];
var a = this.dataSource.getData();
var l = a.length;
var start = 0;
var end = l;
if (kwArgs) {
if (kwArgs.between) {
for (var i = 0; i < l; i++) {
var fld = this.dataSource.getField(a[i], kwArgs.between.field);
if (fld >= kwArgs.between.low && fld <= kwArgs.between.high) {
var o = {src:a[i], series:this};
for (var p in this.bindings) {
o[p] = this.dataSource.getField(a[i], this.bindings[p]);
}
ret.push(o);
}
}
} else {
if (kwArgs.from || kwArgs.length) {
if (kwArgs.from) {
start = Math.max(kwArgs.from, 0);
if (kwArgs.to) {
end = Math.min(kwArgs.to, end);
}
} else {
if (kwArgs.length < 0) {
start = Math.max((end + length), 0);
} else {
end = Math.min((start + length), end);
}
}
for (var i = start; i < end; i++) {
var o = {src:a[i], series:this};
for (var p in this.bindings) {
o[p] = this.dataSource.getField(a[i], this.bindings[p]);
}
ret.push(o);
}
}
}
} else {
for (var i = start; i < end; i++) {
var o = {src:a[i], series:this};
for (var p in this.bindings) {
o[p] = this.dataSource.getField(a[i], this.bindings[p]);
}
ret.push(o);
}
}
if (ret.length > 0 && typeof (ret[0].x) != "undefined") {
ret.sort(function (a, b) {
if (a.x > b.x) {
return 1;
}
if (a.x < b.x) {
return -1;
}
return 0;
});
}
return ret;
}, trends:{createRange:function (values, len) {
var idx = values.length - 1;
var length = (len || values.length);
return {"index":idx, "length":length, "start":Math.max(idx - length, 0)};
}, mean:function (values, len) {
var range = this.createRange(values, len);
if (range.index < 0) {
return 0;
}
var total = 0;
var count = 0;
for (var i = range.index; i >= range.start; i--) {
total += values[i].y;
count++;
}
total /= Math.max(count, 1);
return total;
}, variance:function (values, len) {
var range = this.createRange(values, len);
if (range.index < 0) {
return 0;
}
var total = 0;
var square = 0;
var count = 0;
for (var i = range.index; i >= range.start; i--) {
total += values[i].y;
square += Math.pow(values[i].y, 2);
count++;
}
return (square / count) - Math.pow(total / count, 2);
}, standardDeviation:function (values, len) {
return Math.sqrt(this.getVariance(values, len));
}, max:function (values, len) {
var range = this.createRange(values, len);
if (range.index < 0) {
return 0;
}
var max = Number.MIN_VALUE;
for (var i = range.index; i >= range.start; i--) {
max = Math.max(values[i].y, max);
}
return max;
}, min:function (values, len) {
var range = this.createRange(values, len);
if (range.index < 0) {
return 0;
}
var min = Number.MAX_VALUE;
for (var i = range.index; i >= range.start; i--) {
min = Math.min(values[i].y, min);
}
return min;
}, median:function (values, len) {
var range = this.createRange(values, len);
if (range.index < 0) {
return 0;
}
var a = [];
for (var i = range.index; i >= range.start; i--) {
var b = false;
for (var j = 0; j < a.length; j++) {
if (values[i].y == a[j]) {
b = true;
break;
}
}
if (!b) {
a.push(values[i].y);
}
}
a.sort();
if (a.length > 0) {
return a[Math.ceil(a.length / 2)];
}
return 0;
}, mode:function (values, len) {
var range = this.createRange(values, len);
if (range.index < 0) {
return 0;
}
var o = {};
var ret = 0;
var median = Number.MIN_VALUE;
for (var i = range.index; i >= range.start; i--) {
if (!o[values[i].y]) {
o[values[i].y] = 1;
} else {
o[values[i].y]++;
}
}
for (var p in o) {
if (median < o[p]) {
median = o[p];
ret = p;
}
}
return ret;
}}});