121 lines
3.3 KiB
Go
121 lines
3.3 KiB
Go
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// gomuks - A terminal Matrix client written in Go.
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// Copyright (C) 2022 Tulir Asokan
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package html
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import (
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"fmt"
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"strings"
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"go.mau.fi/mauview"
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"go.mau.fi/tcell"
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)
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type SpoilerEntity struct {
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reason string
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hidden *ContainerEntity
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visible *ContainerEntity
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}
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const SpoilerColor = tcell.ColorYellow
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func NewSpoilerEntity(visible *ContainerEntity, reason string) *SpoilerEntity {
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hidden := visible.Clone().(*ContainerEntity)
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hidden.AdjustStyle(func(style tcell.Style) tcell.Style {
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return style.Foreground(SpoilerColor).Background(SpoilerColor)
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}, AdjustStyleReasonHideSpoiler)
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if len(reason) > 0 {
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reasonEnt := NewTextEntity(fmt.Sprintf("(%s)", reason))
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hidden.Children = append([]Entity{reasonEnt}, hidden.Children...)
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visible.Children = append([]Entity{reasonEnt}, visible.Children...)
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}
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return &SpoilerEntity{
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reason: reason,
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hidden: hidden,
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visible: visible,
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}
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}
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func (se *SpoilerEntity) Clone() Entity {
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return &SpoilerEntity{
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reason: se.reason,
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hidden: se.hidden.Clone().(*ContainerEntity),
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visible: se.visible.Clone().(*ContainerEntity),
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}
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}
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func (se *SpoilerEntity) IsBlock() bool {
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return false
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}
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func (se *SpoilerEntity) GetTag() string {
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return "span"
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}
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func (se *SpoilerEntity) Draw(screen mauview.Screen, ctx DrawContext) {
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if ctx.IsSelected {
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se.visible.Draw(screen, ctx)
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} else {
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se.hidden.Draw(screen, ctx)
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}
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}
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func (se *SpoilerEntity) AdjustStyle(fn AdjustStyleFunc, reason AdjustStyleReason) Entity {
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if reason != AdjustStyleReasonHideSpoiler {
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se.hidden.AdjustStyle(func(style tcell.Style) tcell.Style {
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return fn(style).Foreground(SpoilerColor).Background(SpoilerColor)
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}, reason)
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se.visible.AdjustStyle(fn, reason)
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}
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return se
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}
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func (se *SpoilerEntity) PlainText() string {
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if len(se.reason) > 0 {
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return fmt.Sprintf("spoiler: %s", se.reason)
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} else {
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return "spoiler"
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}
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}
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func (se *SpoilerEntity) String() string {
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var buf strings.Builder
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_, _ = fmt.Fprintf(&buf, `&html.SpoilerEntity{reason=%s`, se.reason)
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buf.WriteString("\n visible=")
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buf.WriteString(strings.Join(strings.Split(strings.TrimRight(se.visible.String(), "\n"), "\n"), "\n "))
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buf.WriteString("\n hidden=")
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buf.WriteString(strings.Join(strings.Split(strings.TrimRight(se.hidden.String(), "\n"), "\n"), "\n "))
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buf.WriteString("\n]},")
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return buf.String()
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}
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func (se *SpoilerEntity) Height() int {
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return se.visible.Height()
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}
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func (se *SpoilerEntity) CalculateBuffer(width, startX int, ctx DrawContext) int {
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se.hidden.CalculateBuffer(width, startX, ctx)
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return se.visible.CalculateBuffer(width, startX, ctx)
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}
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func (se *SpoilerEntity) getStartX() int {
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return se.visible.getStartX()
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}
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func (se *SpoilerEntity) IsEmpty() bool {
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return se.visible.IsEmpty()
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}
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