px-datetime-buttons.html

<!--
Copyright (c) 2018, General Electric

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

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-->

<link rel="import" href="../polymer/polymer.html"/>
<link rel="import" href="px-datetime-behavior.html"/>
<link rel="import" href="px-datetime-validate.html"/>
<link rel="import" href="../app-localize-behavior/app-localize-behavior.html" />
<link rel="import" href="css/px-datetime-buttons-styles.html">

<!--
Date time button component.

### Usage

    <px-datetime-button>
    </px-datetime-button>

@element px-datetime-buttons
@homepage index.html
@demo index.html
-->
<dom-module id="px-datetime-buttons">
  <template>
    <style include="px-datetime-buttons-styles"></style>
    <div class="dt-btn-wrapper">
      <template is="dom-if" if="{{ !hideCancel }}">
        <button type="button" class="btn u-mr-" on-tap="_fireCancelEvent">[[localize('Cancel')]]</button>
      </template>
      <template is="dom-if" if="{{ !hideSubmit }}">
        <button class$="{{submitBtnClasses('btn btn--primary', isSubmitButtonValid)}}"
                type="button"
                on-tap="_fireSubmitEvent"
                id="submitButton"
                disabled="{{!isSubmitButtonValid}}">
        <i class$="{{submitIcon}}"></i>[[localize('Apply')]]</button>
      </template>
    </div>
  </template>
</dom-module>
<script>
  Polymer({

    is: 'px-datetime-buttons',

    behaviors: [
      PxDatetimeBehavior.Validate,
      Polymer.AppLocalizeBehavior
    ],

    properties: {
      /**
       * Whether the Submit button should be valid
       */
      isSubmitButtonValid: {
        type: Boolean,
        value: true
      },
      /**
       * Hides the Submit button when true
       */
      hideSubmit:{
        type:Boolean,
        value: false
      },
       /**
        * Hides the Cancel button when true
        */
      hideCancel:{
        type:Boolean,
        value: false
      },
      /**
       * Icon to be used for the Submit button
       */
      submitIcon: {
        type: String
      },
      /**
       * If true buttons will be set to `justify-content: space-between;`
       */
      spaceBetween: {
        type: Boolean,
        value: false,
        reflectToAttribute: true
      },
      /**
       * List of key/values to be included for translating this component
       */
      resources: {
        type: Object,
        value: function() {
          return {
            'en': {
              'Cancel': 'Cancel',
              'Apply': 'Apply'
            }
          };
        }
      },
     /**
      * set a default for localizing
      */
     language: {
       type: String,
       value: 'en'
     },
     /**
      * Use the key for localization if value for  language is missing. Should
      * always be true for  our components
      */
     useKeyIfMissing: {
       type: Boolean,
       value: true
     }

    },
    observers: [
      '_submitButtonState(isSubmitButtonValid)'
    ],
    /**
     *
     */
    _fireCancelEvent:function(){
      this.fire('px-datetime-button-clicked',{ action:false });
    },
    /**
     *
     */
    _fireSubmitEvent:function(){
      this.fire('px-datetime-button-clicked',{ action:true });
    },
    /**
     *
     */
    submitBtnClasses: function(base, submitButtonValid) {
      return (submitButtonValid) ? base : base + ' btn--disabled';
    },
    /**
     *
     */
    _isEqual: function(source, target) {
      return source === target;
    }
  });
</script>