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HTML

              
                <div id="vue-loading">
  <i class="fas fa-circle-notch fa-spin fa-3x fa-fw"></i>
</div>
<section id="app" v-cloak>
  <div class="steps">
    <div class="number-box">2</div>
    <div class="header">
      Establish connection
      <span v-show="connected">
        <i class="session-status fas fa-link is-warning"></i>
      </span>
      <span v-show="!connected">
        <i class="session-status fas fa-unlink is-primary"></i>
      </span>
    </div>
  </div>
  <div id="tab-session">
    <form>
      <div v-if="showAdvancedSettings">
        <div class="field">
          <label class="label">Broker URL</label>
          <div class="control">
            <input class="input" type="text" v-model="tabs.session.form.url" />
          </div>
        </div>

        <div class="field">
          <label class="label">Client Username</label>
          <div class="control">
            <input class="input" type="text" v-model="tabs.session.form.userName" />
          </div>
        </div>

        <div class="field">
          <label class="label">Client Password</label>
          <div class="control">
            <input class="input" type="password" v-model="tabs.session.form.password" />
          </div>
        </div>

        <div class="field">
          <label class="label">Message VPN</label>
          <div class="control">
            <input class="input" type="text" v-model="tabs.session.form.vpnName" />
          </div>
        </div>
      </div>

      <div class='buttons'>
        <input class="button is-primary" 
               type="submit" 
               v-model="tabs.session.form.button.connect" 
               :disabled="session"
               @click.prevent="connect" 
        />
        <input class="button" 
               type="submit" 
               v-model="tabs.session.form.button.disconnect" 
               :disabled="!session" 
               @click.prevent="disconnect"
        />
        <input class="button" 
               type="submit" 
               v-model="tabs.session.form.button.advanced" 
               :disabled="false" 
               @click.prevent="toggleAdvancedSettings()"
               />
        <i class="fa fa-spinner fa-fw fa-spin" aria-hidden="true" v-if="sessionRequestPending"></i>
      </div>
    </form>

      <div class="status message is-primary" v-show="tabs.session.status.show">
        <div class="message-header">
          <p>Connect Status</p>
        </div>
        <div class="message-body">
          {{tabs.session.status.message}}
        </div>
      </div>
  </div>

  <div class="steps">
    <div class="number-box">3</div>
    <div class="header">Subscribe</div>
  </div>
  <div id="tab-subscribe">
    <div class="columns">
      <div class="column">
        <form>
          <label class="label">Add Topic</label>
          <div class="field has-addons">
            <div class="control">
              <input class="input subscribe"
                     type="text" 
                     v-model="tabs.subscribe.form.topic" 
              />
            </div>
            <div class="control">
              <input class="button is-primary" type="submit" :disabled="!(session && tabs.subscribe.form.topic.length)" v-model="tabs.subscribe.form.buttons.subscribe"
                @click.prevent="subscribe" />
            </div>
          </div>
          <div class="field">
            <label class="label">Subscribed Topics</label>
            <div v-if="subscriptions.length">
              <div class="field is-grouped is-grouped-multiline">
                <template v-for="topic in subscriptions">
                  <div class="control">
                    <div class="tags has-addons">
                      <span class="tag is-primary">{{ topic }}</span>
                      <a class="tag is-delete" 
                         href='#' 
                         @click.prevent="unsubscribe(topic)"></a>
                    </div>
                  </div>
                </template>
              </div>
            </div>
            <div v-else>
              Add a topic subscription to begin receiving messages.
            </div>
          </div>
        </form>
        <transition name="fade" mode="out-in">
          <div class="status message is-primary" v-show="tabs.subscribe.status.show">
            <div class="message-header">
              <p>Subscribe Status</p>
            </div>
            <div class="message-body">
              {{tabs.subscribe.status.message}}
            </div>
          </div>
        </transition>
      </div>

      <div class="column">
        <h2 class="subtitle">
          Messages
        </h2>
        <div class="scroller messages">
          <div v-for="(message, index) in messages" 
               class="tags has-addons">
            <article class="message is-primary">
              <div class="message-header">
                {{ message.date.toLocaleTimeString() }} {{ message.message.getDestination().toString() }}
                <button class="delete" @click.prevent="messageRemove(index)"></button>
              </div>
              <div v-for="view in messageContent(message)"
                   class="message-body">
                {{ view }}
              </div>
              <div class="message-format">
                <div class="control">
                  <label class="radio">
                    <input type="radio" value="binaryAttachment" v-model="message.format"> binary
                  </label>
                  <label class="radio">
                    <input type="radio" value="sdtText" v-model="message.format"> text
                  </label>
                </div>
              </div>
            </article>
          </div>
        </div>
      </div>
    </div>

  </div>

</section>
              
            
!

CSS

              
                $background-color:    #FFFFFF;
$banner-color:        #474747;
$border-top-color:    #606060;
$delete-tag-color:    #e0e0e0;
$field-shadow-color:  rgba(0, 0, 0, 0.15);
$format-select-color: #c0c0c0;
$label-color:         #595959;
$radio-color:         #7b7c7d;
$title-color:         #FFFFFF;

$font-stack:          'Rubik', sans-serif;
$font-weight-normal:  normal;

html {
  background-color: $background-color;
  height: 100%;
}

.title, 
.control, 
.field, 
.tabs, 
.input,
.textarea,
.radio {
  font-family: $font-stack;
  font-weight: $font-weight-normal;
}

.banner {
  margin: -2em -2em 0em -2em;
  padding: 1em 1em 0em 1em;
  background-color: $banner-color;  
}

.title {
  height: 50px;
  font-size: 1.8em;
  color: $title-color;
}

body {
  padding: 2em;
}

.label {
  color: $label-color;
  font-size: 0.8rem;
  font-weight: 400;
}

.input,
.textarea {
  font-size: 20px;
  font-weight: 300;
  box-shadow: 0 1px 1px $field-shadow-color;
}

label.radio {
  font-size: 15px;
  line-height: 25px;
  color: $radio-color;
}

[v-cloak] {
  display: none;
}

#vue-loading {
  display: block;
  position: absolute;
  left: 50%;
  top: 50%;
  width: 100%;
  height: 150px;
}

#tab-session, #tab-subscribe {
  margin-left: 50px;
}

.steps {
  display: flex;
  position: relative;
  margin: auto 0;
  height: 40px;
  margin-bottom: 5px;
  
  .number-box {
    width: 30px;
    height: 30px;
    color: white;
    background: #474747;
    text-align: center;
    margin: auto 20px auto 0;
    padding-top: 3px;
    border-radius: 5px;
  }
  .header {
    margin: auto 0;
    font-size: 18px;
    color: rgba(0, 0, 0, 0.65);
    font-weight: 500;
    flex: 1;
  }
}

form {
  .buttons {
    margin-top: 15px;
    margin-bottom: 5px !important;
    position: relative;
    .advanced {
      position: absolute;
      right: 0;
      color: #00ad93;
      bottom: 15px;
    }
    .fa-spinner {
      color: #00ad93;
    }
  }
  .is-primary {
    background: #00ad93 !important;
  }
  input.subscribe {
    font-size: 16px;
  }
}

.fade-enter, 
.fade-leave-active {
  opacity: 0;
}

.fade-enter-active, 
.fade-leave-active {
  transition: opacity .5s;
}

.status {
  margin-top: 2em;
}

.tag.is-delete {
  background-color: $delete-tag-color;
}

.status {
  margin-top: 2em;
}

.message-header {
  background: #00ad93 !important;
}

.message-body {
  border-color: #00ad93 !important;
}

.session-status {
  padding-left : 3px;
  font-size: 0.8em;
  &.fa-unlink {
    color: red;
  }
  &.fa-link {
    color: green;
  }
}

.messages {
  border-top: 1px solid $border-top-color;
  .message {
    margin-top: 1em;
    width: 100%;
  };
  .message-format {
    padding: 1em;
    background-color: $format-select-color;
  }
}

.tabs li.is-active a {
  border-bottom-color: #4a4a4a;
  color: #000;
}

              
            
!

JS

              
                const { 
  SolclientFactory, 
  SDTField,
  SDTFieldType,
  Session, 
  StatType,
  SessionEventCode,
  TransportProtocol 
} = solace;
const { 
  createSession, 
  createTopicDestination, 
  createMessage,
} = SolclientFactory;
const {
  getCurrentService
} = (SolaceCloud || {});

const MAX_MESSAGES = 300;

const app = new Vue({
  
  el: '#app',
  
  data: {
    tabs: {
      session: {
        active: true,
        form: {
          url: "ws://localhost",
          userName: "default",
          vpnName: "default",
          password: "secret",
          transportProtocol: TransportProtocol.HTTP_BINARY_STREAMING,
          button: {
            connect: 'Connect',
            disconnect: 'Disconnect',
            advanced: 'Advanced ...'
          }
        },
        status: {
          show: false,
          message: ''
        }
      },
      subscribe: {
        form: {
          topic: 'topic/try/me',
          buttons: {
            subscribe: 'Subscribe'
          }
        },
        status: {
          show: false,
          message: ''
        }
      }
    },
    
    connected: false,
    session: null,
    subscriptions: new Set(),
    messages: [],
    pendingSession: null,
    showAdvancedSettings: false
  },
  
  methods: {
    
    // Initialize the Solace API factory.
    init() {
      SolclientFactory.init({
        profile: SolclientFactory.profiles.version7
      });
      // If embedded in Solace Cloud (as a demo), ask the console for service credentials.
      getCurrentService && getCurrentService((r) => app.setSessionCredentials(r.data.service));
    },
    
    // Reset the application state.
    reset() {
      this.session.dispose();
      this.session = null;
      this.subscriptions = [];
      this.connected = false;
    },
    
    // Connect a session and listen for events.
    connect() {
      if (this.session) this.reset();
      
      // Create a session with the given session properties
      try {
        this.session = createSession(this.tabs.session.form);
      } catch (ex) {
        this.setStatus('session', 'Error creating session: ' + ex.message);
        return;
      }
      
      // Listen for events
      this.session.on(SessionEventCode.UP_NOTICE, () => {
        this.connected = true;
        this.sessionRequestCompleted();
        this.setActiveTab('subscribe');
      });
      this.session.on(SessionEventCode.DISCONNECTED, () => {
        this.sessionRequestCompleted();
        this.reset();
      });
      this.session.on(SessionEventCode.DOWN_ERROR, (...args) => {
        this.setStatus('session', 'Session down with error ' + event);
        this.reset();
      });
      this.session.on(SessionEventCode.MESSAGE, message => {
        this.messageAdd(message);
      });

      // Connect the session
      this.showSessionRequestPending();
      try {
        this.session.connect();      
      } catch (ex) {
        this.setStatus('session', 'Error connecting session: ' + ex.message);
        this.reset();
      }      
    },
    
    // Disconnect the session.
    disconnect() {
      if (!this.session) return;
      this.showSessionRequestPending();
      this.session.disconnect();
    },
    
    // Subscribe to a topic.
    subscribe() {
      const { session } = this;
      const { form } = this.tabs.subscribe;
      try {
        session.subscribe(createTopicDestination(form.topic));
      } catch (ex) {
        this.setStatus('subscribe', 'Error subscribing: ' + ex.message);      
      }
      
      this.subscriptions = Array.from(new Set([...this.subscriptions, form.topic]));
      form.topic = '';
    },
    
    // Unsubscribe from a topic.
    unsubscribe(topic) {
      const { session } = this;
      try {
        session.unsubscribe(createTopicDestination(topic));
      } catch (ex) {
        this.setStatus('subscribe', 'Error unsubscribing: ' + ex.message);      
      }
      
      this.subscriptions = this.subscriptions.filter(x => x != topic);
    },
    
    // Wrap a received message and add it to the display.
    // Often you'll simply put your own payload, e.g. JSON, in the binaryAttachment,
    // so you won't need to inspect the message contents like this.
    messageAdd(message) {
      this.messages.unshift({
        date: new Date(),
        format: message.getSdtContainer() ? 'sdtText' : 'binaryAttachment', 
        message
      });
      if (this.messages.length > MAX_MESSAGES) this.messages.length = MAX_MESSAGES;
    },
    
    // Display the message content using the message's selected format.
    messageContent(messageWrapper) {
      const { format, message } = messageWrapper;
      if (format === 'sdtText') {
        const container = message.getSdtContainer();
        return [container && container.getValue() || '<empty>'];
      }
      const attachment = message.getBinaryAttachment() || '';
      return [
        attachment.split('').map(x => `0${x.codePointAt(0).toString(16)}`.slice(-2)).join(' '), 
        attachment
      ];
    },
    
    // Removes a message from the display.
    messageRemove(index) {
      this.messages.splice(index, 1);
    },
    
    // Sets a status popup message.
    setStatus(type, message) {
      const statusNode = this.tabs[type].status;
      Object.assign(statusNode, {
        show: true,
        message
      });
      this.sessionRequestCompleted();
    },
    
    showSessionRequestPending() {
      this.sessionRequestPending = true;
    },
    
    sessionRequestCompleted() {
      this.sessionRequestPending = false;
    },
    
    // Sets the active tab to the given tab name.
    setActiveTab(selection) {
      Object.keys(this.tabs).forEach(tabName => {
        const tab = this.tabs[tabName];
        tab.active = (tabName === selection);
      });
    },
    
    // toggle the advanced settings
    toggleAdvancedSettings() {
      this.showAdvancedSettings = !this.showAdvancedSettings;
      this.tabs.session.form.button.advanced = (!this.showAdvancedSettings) ? 'Advanced ...':'Less';
    },
        
    // Sets the session credentials using the enumerable properties provided.
    setSessionCredentials(properties) {
      Object.assign(this.tabs.session.form, properties);
    }
    
  },
  
  mounted() {
    document.getElementById('vue-loading').remove();
    this.init();
  }
  
});
              
            
!
999px

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