server-rename-dialog.html

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<link rel="import" href="../bower_components/polymer/polymer-element.html">
<link rel="import" href="../bower_components/paper-button/paper-button.html">
<link rel="import" href="../bower_components/paper-dialog/paper-dialog.html">
<link rel='import' href='../bower_components/paper-input/paper-input.html'>

<dom-module id="server-rename-dialog">
  <template>
    <style>
      h3 {
        margin-bottom: 0;
      }
      paper-input {
        margin-top: 0;
        --paper-input-container-focus-color: var(--medium-green);
      }
    </style>
    <paper-dialog id="renameDialog" with-backdrop>
      <h3>[[localize('server-rename')]]</h3>
      <paper-input id="serverNameInput" always-float-label maxlength="100" tabindex="0"></paper-input>
      <div class="buttons">
        <paper-button dialog-dismiss>[[localize('cancel')]]</paper-button>
        <paper-button dialog-confirm on-tap="_saveRename">[[localize('save')]]</paper-button>
      </div>
    </paper-dialog>
  </template>
  <script>
    'use strict';
    Polymer({
      is: 'server-rename-dialog',
      properties: {
        // Need to declare localize function passed in from parent, or else
        // localize() calls within the template won't be updated.
        localize: Function,
        rootPath: String,
        __serverName: String,
        __serverId: String
      },
      open: function(serverName, serverId) {
        // Store the initial serverName so we can know if it changed, and
        // store the serverId so we can emit the rename request event.
        this.__serverName = serverName;
        this.__serverId = serverId;
        this.$.serverNameInput.value = serverName;
        this.$.renameDialog.open();
        // Focus on serverNameInput, only after the dialog has been displayed.
        Polymer.RenderStatus.afterNextRender(this, () => {
          this.$.serverNameInput.focus();
        });
      },
      _saveRename: function() {
        const newName = this.$.serverNameInput.value;
        if (newName !== this.__serverName) {
          this.fire('RenameRequested', {serverId: this.__serverId, newName: newName});
        }
      }
    });
  </script>
</dom-module>