gomuks/ui/messages/html/blockquote.go
2022-04-15 12:53:09 +03:00

89 lines
2.2 KiB
Go

// gomuks - A terminal Matrix client written in Go.
// Copyright (C) 2020 Tulir Asokan
//
// 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 html
import (
"fmt"
"strings"
"go.mau.fi/mauview"
)
type BlockquoteEntity struct {
*ContainerEntity
}
const BlockQuoteChar = '>'
func NewBlockquoteEntity(children []Entity) *BlockquoteEntity {
return &BlockquoteEntity{&ContainerEntity{
BaseEntity: &BaseEntity{
Tag: "blockquote",
Block: true,
},
Children: children,
Indent: 2,
}}
}
func (be *BlockquoteEntity) AdjustStyle(fn AdjustStyleFunc) Entity {
be.BaseEntity = be.BaseEntity.AdjustStyle(fn).(*BaseEntity)
return be
}
func (be *BlockquoteEntity) Clone() Entity {
return &BlockquoteEntity{ContainerEntity: be.ContainerEntity.Clone().(*ContainerEntity)}
}
func (be *BlockquoteEntity) Draw(screen mauview.Screen) {
be.ContainerEntity.Draw(screen)
for y := 0; y < be.height; y++ {
screen.SetContent(0, y, BlockQuoteChar, nil, be.Style)
}
}
func (be *BlockquoteEntity) PlainText() string {
if len(be.Children) == 0 {
return ""
}
var buf strings.Builder
newlined := false
for i, child := range be.Children {
if i != 0 && child.IsBlock() && !newlined {
buf.WriteRune('\n')
}
newlined = false
for i, row := range strings.Split(child.PlainText(), "\n") {
if i != 0 {
buf.WriteRune('\n')
}
buf.WriteRune('>')
buf.WriteRune(' ')
buf.WriteString(row)
}
if child.IsBlock() {
buf.WriteRune('\n')
newlined = true
}
}
return strings.TrimSpace(buf.String())
}
func (be *BlockquoteEntity) String() string {
return fmt.Sprintf("&html.BlockquoteEntity{%s},\n", be.BaseEntity)
}