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topbutton.go
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topbutton.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 NewTopButton(content func(echo.Context) error) *TopButton {
return &TopButton{content: content}
}
type TopButton struct {
Tmpl string //模板文件
content func(echo.Context) error
}
func (c *TopButton) Ready(ctx echo.Context) error {
if c.content != nil {
return c.content(ctx)
}
return nil
}
func (c *TopButton) SetContentGenerator(content func(echo.Context) error) *TopButton {
c.content = content
return c
}
type TopButtons []*TopButton
func (c TopButtons) Ready(block echo.Context) error {
for _, blk := range c {
if blk != nil {
if err := blk.Ready(block); err != nil {
return err
}
}
}
return nil
}
var topButtons = TopButtons{
{
Tmpl: `manager/topbutton/donation`,
},
{
Tmpl: `manager/topbutton/language`,
},
{
Tmpl: `manager/topbutton/source`,
},
{
Tmpl: `manager/topbutton/bug-report`,
},
}
func TopButtonRegister(topButton ...*TopButton) {
topButtons = append(topButtons, topButton...)
}
//TopButtonRemove 删除元素
func TopButtonRemove(index int) {
if index < 0 {
topButtons = topButtons[0:0]
return
}
size := len(topButtons)
if size > index {
if size > index+1 {
topButtons = append(topButtons[0:index], topButtons[index+1:]...)
} else {
topButtons = topButtons[0:index]
}
}
}
//TopButtonSet 设置元素
func TopButtonSet(index int, list ...*TopButton) {
if len(list) == 0 {
return
}
if index < 0 {
topButtons = append(topButtons, list...)
return
}
size := len(topButtons)
if size > index {
topButtons[index] = list[0]
if len(list) > 1 {
TopButtonSet(index+1, list[1:]...)
}
return
}
for start, end := size, index-1; start < end; start++ {
topButtons = append(topButtons, nil)
}
topButtons = append(topButtons, list...)
}
func TopButtonAll() TopButtons {
return topButtons
}