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golabalfooter.go
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golabalfooter.go
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/*
Nging is a toolbox for webmasters
Copyright (C) 2018-present Wenhui Shen <swh@admpub.com>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package dashboard
import (
"github.com/webx-top/echo"
)
func NewGlobalFooter(content func(echo.Context) error) *GlobalFooter {
return &GlobalFooter{content: content}
}
type GlobalFooter struct {
Tmpl string //模板文件
content func(echo.Context) error
}
func (c *GlobalFooter) Ready(ctx echo.Context) error {
if c.content != nil {
return c.content(ctx)
}
return nil
}
func (c *GlobalFooter) SetContentGenerator(content func(echo.Context) error) *GlobalFooter {
c.content = content
return c
}
type GlobalFooters []*GlobalFooter
func (c GlobalFooters) Ready(block echo.Context) error {
for _, blk := range c {
if blk != nil {
if err := blk.Ready(block); err != nil {
return err
}
}
}
return nil
}
var globalFooters = GlobalFooters{}
func GlobalFooterRegister(topButton ...*GlobalFooter) {
globalFooters = append(globalFooters, topButton...)
}
//GlobalFooterRemove 删除元素
func GlobalFooterRemove(index int) {
if index < 0 {
globalFooters = globalFooters[0:0]
return
}
size := len(globalFooters)
if size > index {
if size > index+1 {
globalFooters = append(globalFooters[0:index], globalFooters[index+1:]...)
} else {
globalFooters = globalFooters[0:index]
}
}
}
//GlobalFooterSet 设置元素
func GlobalFooterSet(index int, list ...*GlobalFooter) {
if len(list) == 0 {
return
}
if index < 0 {
globalFooters = append(globalFooters, list...)
return
}
size := len(globalFooters)
if size > index {
globalFooters[index] = list[0]
if len(list) > 1 {
GlobalFooterSet(index+1, list[1:]...)
}
return
}
for start, end := size, index-1; start < end; start++ {
globalFooters = append(globalFooters, nil)
}
globalFooters = append(globalFooters, list...)
}
func GlobalFooterAll() GlobalFooters {
return globalFooters
}