api-console-assets/bower_components/raml-path-selector/raml-tree-item-behavior.html

This repo only exists to publish api console components to npm

<!--
@license
Copyright 2016 The Advanced REST client authors <arc@mulesoft.com>
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
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
License for the specific language governing permissions and limitations under
the License.
-->
<script>
(function(g) {
  'use strict';

  g.RamlBehaviors = g.RamlBehaviors || {};
  /**
   * Common properties and methods for docs tree view.
   *
   * @polymerBehavior RamlBehaviors.RamlTreeItemBehavior
   */
  g.RamlBehaviors.RamlTreeItemBehavior = {
    properties: {
      // A path the item represents.
      path: {
        type: String,
        value: ''
      },
      // Currently selected path.
      selectedPath: String,
      // True if the item is selected
      isSelected: {
        type: Boolean,
        computed: '_computeIsSelected(selectedPath, path)'
      },
      // Indent index in the structure. 1 if this is first level of indent.
      indent: Number,
      // Number of pixels to indent the content.
      indentSize: Number,
      // Computed value of indent in pixels (with `px` suffix)
      _indentPixels: String
    },

    observers: [
      '__indentPixelsChanged(_indentPixels)',
      '_indentChnaged(indent, indentSize)'
    ],

    _indentChnaged: function(indent, indentSize) {
      if (!indent || !indentSize) {
        return this.set('_indentPixels', undefined);
      }
      var size = indent * indentSize;
      this.set('_indentPixels', size + 'px');
    },

    /**
     * Event handler for the click on an tree item.
     * It sends the `raml-path-selected` event so the tree selected can set
     * path.
     *
     * @param {Event} e Event fired by the HTML element. The element must have
     * data-path attribute with its correct path.
     */
    _selectPath: function(e) {
      var target = e.target;
      while (true) {
        if (!target || target === document.body) {
          return;
        }
        if (target.nodeName && target.nodeName === 'PAPER-ITEM') {
          break;
        }
        if (!target.parentNode) {
          return;
        }
        target = target.parentNode;
      }
      var path = target.dataset ? target.dataset.path : null;
      if (!path) {
        return;
      }
      this.fire('raml-path-selected', {
        path: path
      });
    },
    /**
     * Computes if the tree item should have the `selected` class
     * indicating that the item is currently selected.
     *
     * @param {String} selectedPath Currently selected path
     * @param {String} path Item's (element's) path
     * @param {Number} index Optional index of the item in the view.
     * If set it means that the item is a method of a resource.
     * @return {String} Either empty string or `selected` if the path match.
     */
    _computeItemSelectableClass: function(selectedPath, path, index) {
      if (index !== undefined) {
        path = path + '.methods.' + index;
      }
      if (path === selectedPath) {
        return 'selected';
      }
      return '';
    },

    // Computes if selected path equals current item path.
    _computeIsSelected: function(selectedPath, path) {
      if (!selectedPath || !path) {
        return false;
      }
      return selectedPath === path;
    },
    /**
     * Scrolls to the element if the element is not in view.
     */
    scrollElementIntoView: function() {
      if (this.scrollIntoViewIfNeeded) {
        this.scrollIntoViewIfNeeded();
      } else if (this.scrollIntoView) {
        this.scrollIntoView();
      }
    },

    __indentPixelsChanged: function(_indentPixels) {
      if (!_indentPixels) {
        _indentPixels = '0px';
      }
      this.customStyle['--indent-size-padding'] = _indentPixels;
      this.updateStyles();
    }
  };
})(window);
</script>