energylink/public/app/features/dashboard/folder_picker/folder_picker.ts

///<reference path="../../../headers/common.d.ts" />

import _ from 'lodash';
import coreModule from 'app/core/core_module';
import appEvents from 'app/core/app_events';

export class FolderPickerCtrl {
  initialTitle: string;
  initialFolderId?: number;
  labelClass: string;
  onChange: any;
  onLoad: any;
  onCreateFolder: any;
  enterFolderCreation: any;
  exitFolderCreation: any;
  enableCreateNew: boolean;
  rootName = 'Root';
  folder: any;
  createNewFolder: boolean;
  newFolderName: string;
  newFolderNameTouched: boolean;
  hasValidationError: boolean;
  validationError: any;

  /** @ngInject */
  constructor(private backendSrv, private validationSrv) {
    if (!this.labelClass) {
      this.labelClass = "width-7";
    }

    this.loadInitialValue();
  }

  getOptions(query) {
    var params = {
      query: query,
      type: 'dash-folder',
    };

    return this.backendSrv.search(params).then(result => {
      if (query === '' ||
          query.toLowerCase() === "r" ||
          query.toLowerCase() === "ro" ||
          query.toLowerCase() === "roo" ||
          query.toLowerCase() === "root") {
        result.unshift({title: this.rootName, id: 0});
      }

      if (this.enableCreateNew && query === '') {
        result.unshift({title: '-- New Folder --', id: -1});
      }

      return _.map(result, item => {
        return {text: item.title, value: item.id};
      });
    });
  }

  onFolderChange(option) {
    if (option.value === -1) {
      this.createNewFolder = true;
      this.enterFolderCreation();
      return;
    }
    this.onChange({$folder: {id: option.value, title: option.text}});
  }

  newFolderNameChanged() {
    this.newFolderNameTouched = true;

    this.validationSrv.validateNewDashboardOrFolderName(this.newFolderName)
      .then(() => {
        this.hasValidationError = false;
      })
      .catch(err => {
        this.hasValidationError = true;
        this.validationError = err.message;
      });
  }

  createFolder(evt) {
    if (evt) {
      evt.stopPropagation();
      evt.preventDefault();
    }

    return this.backendSrv.createDashboardFolder(this.newFolderName).then(result => {
      appEvents.emit('alert-success', ['Folder Created', 'OK']);

      this.closeCreateFolder();
      this.folder = {text: result.dashboard.title, value: result.dashboard.id};
      this.onFolderChange(this.folder);
    });
  }

  cancelCreateFolder(evt) {
    if (evt) {
      evt.stopPropagation();
      evt.preventDefault();
    }

    this.closeCreateFolder();
    this.loadInitialValue();
  }

  private closeCreateFolder() {
    this.exitFolderCreation();
    this.createNewFolder = false;
    this.hasValidationError = false;
    this.validationError = null;
    this.newFolderName = '';
    this.newFolderNameTouched = false;
  }

  private loadInitialValue() {
    if (this.initialFolderId && this.initialFolderId > 0) {
      this.getOptions('').then(result => {
        this.folder = _.find(result, {value: this.initialFolderId});
        this.onFolderLoad();
      });
    } else {
      if (this.initialTitle) {
        this.folder = {text: this.initialTitle, value: null};
      } else {
        this.folder = {text: this.rootName, value: 0};
      }

      this.onFolderLoad();
    }
  }

  private onFolderLoad() {
    if (this.onLoad) {
      this.onLoad({$folder: {id: this.folder.value, title: this.folder.text}});
    }
  }
}

export function folderPicker() {
  return {
    restrict: 'E',
    templateUrl: 'public/app/features/dashboard/folder_picker/folder_picker.html',
    controller: FolderPickerCtrl,
    bindToController: true,
    controllerAs: 'ctrl',
    scope: {
      initialTitle: '<',
      initialFolderId: '<',
      labelClass: '@',
      rootName: '@',
      onChange: '&',
      onLoad: '&',
      onCreateFolder: '&',
      enterFolderCreation: '&',
      exitFolderCreation: '&',
      enableCreateNew: '@'
    }
  };
}

coreModule.directive('folderPicker', folderPicker);