Beego/pkg/adapter/utils/pagination/paginator.go

113 lines
3.3 KiB
Go

// Copyright 2014 beego Author. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package pagination
import (
"net/http"
"github.com/astaxie/beego/pkg/core/utils/pagination"
)
// Paginator within the state of a http request.
type Paginator pagination.Paginator
// PageNums Returns the total number of pages.
func (p *Paginator) PageNums() int {
return (*pagination.Paginator)(p).PageNums()
}
// Nums Returns the total number of items (e.g. from doing SQL count).
func (p *Paginator) Nums() int64 {
return (*pagination.Paginator)(p).Nums()
}
// SetNums Sets the total number of items.
func (p *Paginator) SetNums(nums interface{}) {
(*pagination.Paginator)(p).SetNums(nums)
}
// Page Returns the current page.
func (p *Paginator) Page() int {
return (*pagination.Paginator)(p).Page()
}
// Pages Returns a list of all pages.
//
// Usage (in a view template):
//
// {{range $index, $page := .paginator.Pages}}
// <li{{if $.paginator.IsActive .}} class="active"{{end}}>
// <a href="{{$.paginator.PageLink $page}}">{{$page}}</a>
// </li>
// {{end}}
func (p *Paginator) Pages() []int {
return (*pagination.Paginator)(p).Pages()
}
// PageLink Returns URL for a given page index.
func (p *Paginator) PageLink(page int) string {
return (*pagination.Paginator)(p).PageLink(page)
}
// PageLinkPrev Returns URL to the previous page.
func (p *Paginator) PageLinkPrev() (link string) {
return (*pagination.Paginator)(p).PageLinkPrev()
}
// PageLinkNext Returns URL to the next page.
func (p *Paginator) PageLinkNext() (link string) {
return (*pagination.Paginator)(p).PageLinkNext()
}
// PageLinkFirst Returns URL to the first page.
func (p *Paginator) PageLinkFirst() (link string) {
return (*pagination.Paginator)(p).PageLinkFirst()
}
// PageLinkLast Returns URL to the last page.
func (p *Paginator) PageLinkLast() (link string) {
return (*pagination.Paginator)(p).PageLinkLast()
}
// HasPrev Returns true if the current page has a predecessor.
func (p *Paginator) HasPrev() bool {
return (*pagination.Paginator)(p).HasPrev()
}
// HasNext Returns true if the current page has a successor.
func (p *Paginator) HasNext() bool {
return (*pagination.Paginator)(p).HasNext()
}
// IsActive Returns true if the given page index points to the current page.
func (p *Paginator) IsActive(page int) bool {
return (*pagination.Paginator)(p).IsActive(page)
}
// Offset Returns the current offset.
func (p *Paginator) Offset() int {
return (*pagination.Paginator)(p).Offset()
}
// HasPages Returns true if there is more than one page.
func (p *Paginator) HasPages() bool {
return (*pagination.Paginator)(p).HasPages()
}
// NewPaginator Instantiates a paginator struct for the current http request.
func NewPaginator(req *http.Request, per int, nums interface{}) *Paginator {
return (*Paginator)(pagination.NewPaginator(req, per, nums))
}