git ssb

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var h = require('hyperscript')
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var pull = require('pull-stream')
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var plugs = require('../plugs')
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var cat = require('pull-cat')
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var sbot_links2 = plugs.first(exports.sbot_links2 = [])
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var avatar_name = plugs.first(exports.avatar_name = [])
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var blob_url = require('../plugs').first(exports.blob_url = [])
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var defaultTheme = {
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  id: '&JFa42U6HtPm9k+s+AmpDIAoTJJI/PzoRC/J/WCfduDY=.sha256',
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  name: 'patchbay-minimal.css'
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}
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var next = 'undefined' === typeof setImmediate ? setTimeout : setImmediate
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var link = document.head.appendChild(h('link', {rel: 'stylesheet'}))
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var activeTheme
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function useTheme(id) {
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  activeTheme = id
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  link.href = id ? blob_url(id) : ''
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  var forms = [].slice.call(document.querySelectorAll('.themes__form'))
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  forms.forEach(updateForm)
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  var radios = [].slice.call(document.querySelectorAll('input[type=radio]'))
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  radios.forEach(function (radio) {
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    radio.checked = (radio.value === activeTheme)
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  })
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}
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function useSavedTheme() {
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  useTheme(localStorage.themeId || defaultTheme.id)
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}
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next(useSavedTheme)
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function themes() {
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  return cat([
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    pull.values([
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      {
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        id: '',
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        name: 'none',
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        feed: ''
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      },
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      defaultTheme,
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    ]),
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    pull(
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      sbot_links2({
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        query: [
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          {$filter: {rel: ['mentions', {$prefix: 'patchbay-'}]}},
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          {$filter: {dest: {$prefix: '&'}}},
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          {$map: {id: 'dest', feed: 'source', name: ['rel', 1]}}
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        ],
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        live: true,
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        sync: false,
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      }),
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      pull.filter(function (link) {
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        return /\.css$/.test(link.name)
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      })
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    )
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  ])
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}
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function onRadioClick(e) {
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  if (this.checked) useTheme(this.value)
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}
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function updateForm(form) {
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  var same = localStorage.themeId === activeTheme
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  form.querySelector('.themes__id').value = activeTheme
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  form.querySelector('.themes__reset').disabled = same
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  form.querySelector('.themes__submit').disabled = same
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  return form
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}
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function renderTheme(link) {
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  return h('div.theme',
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    h('input', {type: 'radio', name: 'theme',
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      value: link.id, onclick: onRadioClick,
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      checked: link.id === activeTheme
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    }),
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    link.id ? h('a', {href: '#'+link.id}, link.name) : link.name, ' ',
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    link.feed ? h('a', {href: '#'+link.feed}, avatar_name(link.feed)) : ''
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  )
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}
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function insertAfter(parentNode, newNode, referenceNode) {
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  var nextSibling = referenceNode && referenceNode.nextSibling
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  if (nextSibling) parentNode.insertBefore(newNode, nextSibling)
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  else parentNode.appendChild(newNode)
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}
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function theme_view() {
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  var themeInput
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  var themesList = h('form.themes__list')
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  var themesByKey = {}
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  pull(
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    themes(),
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    pull.unique('id'),
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    pull.drain(function (theme) {
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      // don't show old versions of theme
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      var key = theme.feed + theme.name
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      var newerTheme = themesByKey[key]
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      theme.el = renderTheme(theme)
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      themesByKey[key] = theme
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      if (!newerTheme) {
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        // show latest theme
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        themesList.appendChild(theme.el)
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      } else if (theme.id === localStorage.themeId
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              || theme.id === activeTheme) {
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        // show old version because the user is still using it
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        theme.el.appendChild(document.createTextNode(' (old)'))
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        insertAfter(themesList, theme.el, newerTheme.el)
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      } else {
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        // ignore old version of theme
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      }
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    }, function (err) {
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      if (err) console.error(err)
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    })
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  )
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  return h('div.column.scroll-y', h('div',
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    updateForm(h('form.themes__form', {onsubmit: onsubmit, onreset: onreset},
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      themeInput = h('input.themes__id', {placeholder: 'theme id',
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        value: link.href}), ' ',
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      h('input.themes__reset', {type: 'reset'}), ' ',
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      h('input.themes__submit', {type: 'submit', value: 'Save'}))),
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      themesList
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  ))
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  function onsubmit(e) {
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    e.preventDefault()
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    useTheme(localStorage.themeId = themeInput.value)
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  }
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  function onreset(e) {
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    e.preventDefault()
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    useSavedTheme()
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  }
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}
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exports.menu_items = function () {
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  return h('a', {href:'#/theme'}, '/theme')
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}
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exports.screen_view = function (path) {
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  if(path === '/theme') return theme_view()
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}
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