All files action.js

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import debug from 'debug'
 
var log = debug('ddf.action')
 
class Action {
  constructor(conditions) {
    this.conditions = conditions || []
  }
 
  apply(form, field) {
    let method = 'apply'
 
    for (var i=0; i<this.conditions.length; i++) {
      if (!this.conditions[i].validate(form)) {
        method = 'unapply'
        break
      }
    }
 
    log(this, '.', method, '(', form, ',', field, ')')
    this[method](form, field)
  }
}
 
// Remove a field from a form.
class Remove extends Action {
  // Hide the field.
  apply(form, field) {
    form.fieldHide(field)
  }
 
  // Show the field.
  unapply(form, field) {
    form.fieldShow(field)
  }
}
 
// Remove given choices from a field.
class RemoveChoices extends Action {
  constructor(choices) {
    super()
    this.choices = choices
  }
 
  // Hide options which are not in this.choices from a field.
  apply(form, field) {
    choices = this.choices
 
    if (choices.indexOf(form.fieldValueGet(field)) >= 0) {
      form.fieldValueClear(field)
    }
 
    form.fieldGet(field).find('option').each(function() {
      if (choices.indexOf($(this).attr('value')) >= 0) {
        $(this).hide()
      }
    })
  }
 
  // Show options which are not in this.choices from a field.
  unapply(form, field) {
    choices = this.choices
    form.fieldGet(field).find('option').each(function() {
      if (!$(this).attr('value').indexOf(choices)) {
        $(this).show()
      }
    })
  }
}
 
export {
  Action,
  Remove,
  RemoveChoices
}