55 lignes
1,7 Kio
Go
55 lignes
1,7 Kio
Go
package main
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import (
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"html/template"
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"log"
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"math"
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"net/url"
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"strconv"
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)
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var funcMap = template.FuncMap{
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"min": math.Min,
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"genRoute": func(name string, params ...string) string {
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url, err := router.Get(name).URL(params...)
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if err == nil {
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return url.String()
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}
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return "error"
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},
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"genNav": func(nav Navigation, currentUrl *url.URL, pagesSelectable int) template.HTML {
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maxPages := math.Ceil(float64(nav.TotalItem) / float64(nav.MaxItemPerPage))
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route := router.Get(nav.Route)
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var ret = ""
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if nav.CurrentPage-1 > 0 {
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url, _ := route.URL("page", "1")
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ret = ret + "<li><a id=\"page-prev\" href=\"" + url.String() + "?" + currentUrl.RawQuery + "\" aria-label=\"Previous\"><span aria-hidden=\"true\">«</span></a></li>"
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}
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startValue := 1
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if nav.CurrentPage > pagesSelectable {
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startValue = (int(math.Min((float64(nav.CurrentPage)+math.Floor(float64(pagesSelectable)/2)), maxPages)) - pagesSelectable + 1)
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}
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endValue := (startValue + pagesSelectable - 1)
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if endValue > int(maxPages) {
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endValue = int(maxPages)
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}
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log.Println(nav.TotalItem)
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for i := startValue; i <= endValue; i++ {
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pageNum := strconv.Itoa(i)
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url, _ := route.URL("page", pageNum)
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ret = ret + "<li"
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if i == nav.CurrentPage {
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ret = ret + " class=\"active\""
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}
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ret = ret + "><a href=\"" + url.String() + "?" + currentUrl.RawQuery + "\">" + strconv.Itoa(i) + "</a></li>"
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}
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if nav.CurrentPage < int(maxPages) {
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url, _ := route.URL("page", strconv.Itoa(nav.CurrentPage+1))
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ret = ret + "<li><a id=\"page-next\" href=\"" + url.String() + "?" + currentUrl.RawQuery + "\" aria-label=\"Next\"><span aria-hidden=\"true\">»</span></a></li>"
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}
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return template.HTML(ret)
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},
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}
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