Exemple #1
0
func test(w http.ResponseWriter, r *http.Request) {

	w.Header().Set("Content-Type", "text/html")

	//fmt.Fprint(w,  util.PrintMap(util.Map_example_right))

	// vector max values
	vMaxVal := []float64{5555.0094, 9400, 0.0094, 1.0, 110.94, 120, 0.00001233}

	scale_test := Scale_x_vm
	for _, mv := range vMaxVal {
		optScale, _, _ := BestScale(mv, scale_test)

		floatFormat, exp := practicalFormat(mv)

		funcSpanner := htmlfrag.GetSpanner()

		fmt.Fprintf(w, "optimal scale for "+floatFormat+" (exp %d) is <br>", mv, exp)
		for tick, val := range optScale {
			dis1 := fmt.Sprint(tick)
			dis2 := fmt.Sprintf("%s<br>", val)

			next_idx := tick + 1
			if next_idx > len(optScale)-1 {
				next_idx = len(optScale) - 1
			}
			if util.Stof(val) <= mv && mv <= util.Stof(optScale[next_idx]) {
				dis2 = fmt.Sprintf("<b>%s</b> <br>", val)
			}
			//dis4a :=  fmt.Sprintf(" %f <=  "+floatFormat+" &&   "+floatFormat+" < %f<br>",	  util.Stof(val),mv,mv, util.Stof(optScale[next_idx]) )
			//fmt.Fprintf(w,funcSpanner(dis4a,433)	)

			fmt.Fprintf(w, funcSpanner(" ", 64))
			fmt.Fprintf(w, funcSpanner(dis1, 120))
			fmt.Fprintf(w, funcSpanner(dis2, 233))
			fmt.Fprintf(w, "<br>")

		}
		//fmt.Fprintf(w,"key %v -  pot %v <br> %v",key,pot,msg)

		fmt.Fprintf(w, "<br>")
	}

	fmt.Fprintf(w, printScale(Scale_y_vm))
	fmt.Fprintf(w, printScale(Scale_x_vm))

}
func showAsTable(w http.ResponseWriter, r *http.Request, m map[string]interface{}) {

	cd1 := GetChartDataFromDatastore(w, r, "chart_data_01")
	cd := *cd1

	span := htmlfrag.GetSpanner()
	// Header row
	fmt.Fprintf(w, span(" ", 164))
	for _, lg := range cd.VLangs {
		fmt.Fprintf(w, span(lg, 88))
	}
	fmt.Fprintf(w, "<br>")

	for _, period := range cd.VPeriods {
		fmt.Fprintf(w, span(period, 164))
		for _, lg := range cd.VLangs {
			fmt.Fprintf(w, span(cd.M[period][lg], 88))
		}
		fmt.Fprintf(w, "<br>")
	}

}
// display Legend
func disLegend(w http.ResponseWriter, r *http.Request) (b1 *bytes.Buffer, m map[string]string) {

	//c := appengine.NewContext(r)

	b1 = new(bytes.Buffer)
	m = make(map[string]string)

	cd1 := GetChartDataFromDatastore(w, r, "chart_data_01")
	cd := *cd1

	span := htmlfrag.GetSpanner()

	widthLabel := 80
	widthColorBox := 120
	widthDiv := widthLabel + widthColorBox + 2*4

	b1.WriteString(f("<div style='width:%dpx;margin:4px; padding: 4px; line-height:140%%; background-color:#eee;'>", widthDiv))

	for langIndex, lang := range cd.VLangs {

		gci := langIndex % len(colors.GraphColors) // graph color index
		// %x is the hex format, %2.2x makes padding zeros
		col := f("%2.2x%2.2x%2.2x", colors.GraphColors[gci][0],
			colors.GraphColors[gci][1],
			colors.GraphColors[gci][2])

		b1.WriteString(span(lang, widthLabel))

		block := f("<div style='display:inline-block;width:%dpx;height:5px; background-color:%s;'></div>", widthColorBox, col)
		b1.WriteString(span(block, widthColorBox))

		b1.WriteString("<br>")
		m[lang] = col

	}
	b1.WriteString("</div>")

	return
}