sverweij/mscgen_js

var STORAGE_KEY = 'state'

function localStorageOK () {
  return (typeof localStorage !== 'undefined')
}

function getState () {
  if (localStorageOK()) {
    try {
      return JSON.parse(localStorage.getItem(STORAGE_KEY))
    } catch (e) {
      // silently swallow
    }
  }
  return null
}

function setState (pState) {
  if (localStorageOK()) {
    localStorage.setItem(
      STORAGE_KEY,
      JSON.stringify(pState)
    )
  }
}

function save (pState, pSourceToo) {
  var lSourceToo = typeof pSourceToo === 'undefined' ? true : pSourceToo
  var lState = {
    autorender: pState.getAutoRender(),
    mirrorEntities: pState.getMirrorEntities(),
    namedStyle: pState.getNamedStyle(),
    verticalLabelAlignment: pState.getVerticalLabelAlignment(),
    includeSource: pState.getIncludeSource()
  }

  if (lSourceToo) {
    lState.language = pState.getLanguage()
    lState.source = pState.getSource()
  } else {
    var lOldState = getState()

    if (lOldState) {
      if (lOldState.language) {
        lState.language = lOldState.language
      }
      if (lOldState.source) {
        lState.source = lOldState.source
      }
    }
  }

  setState(lState)
}

function load (pState, pSourceToo) {
  var lState = getState()
  var lSourceToo = typeof pSourceToo === 'undefined' ? true : pSourceToo

  if (lState) {
    pState.setAutoRender(lState.autorender)
    pState.setMirrorEntities(lState.mirrorEntities)
    pState.setNamedStyle(lState.namedStyle)
    pState.setVerticalLabelAlignment(lState.verticalLabelAlignment)
    pState.setIncludeSource(lState.includeSource)

    if (lSourceToo) {
      if (lState.language) {
        pState.setLanguage(lState.language)
      }
      if (lState.source) {
        pState.setSource(lState.source)
      }
    }
  }
}

function loadSettings (pState) {
  load(pState, false)
}

function saveSettings (pState) {
  save(pState, false)
}

module.exports = {
  save,
  load,
  saveSettings,
  loadSettings
}
/*
 This file is part of mscgen_js.

 mscgen_js is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.

 mscgen_js 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 General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with mscgen_js.  If not, see <http://www.gnu.org/licenses/>.
 */