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facet-panel.html
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<!--
Copyright 2017 Next Century Corporation
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.
-->
<link rel="import" href="../polymer/polymer.html">
<link rel="import" href="../date-range-facet/date-range-facet.html">
<link rel="import" href="../facet-list/facet-list.html">
<link rel="import" href="../iron-flex-layout/iron-flex-layout-classes.html">
<link rel="import" href="../lodash-import/lodash.html">
<link rel="import" href="../paper-header-panel/paper-header-panel.html">
<link rel="import" href="../paper-styles/color.html">
<link rel="import" href="../stylized-icon/stylized-icon.html">
<!--
A Polymer Element containing a group of facet-lists and date-range-facets.
### Example
```html
<facet-panel
facets-query="[[facetsQuery]]"
process-request="{{processRequest}}"
search-endpoint="[[searchEndpoint]]"
search-fields="[[searchFields]]"
search-parameters="{{searchParameters}}">
</facet-panel>
```
### Styling
`<facet-panel>` provides the following custom properties and mixins for styling:
Custom property | Description | Default
------------------------------------------------|---------------------------------------------------------------------|--------
`--facet-panel-bar-color` | The color of the single or left bars. | --paper-grey-300
`--facet-panel-bar-count-color` | The color of the single or left count labels. | --paper-grey-900
`--facet-panel-bar-height` | The height of the single or left bars. | 20px
`--facet-panel-bar-title-color` | The color of the single or left title labels. | --paper-grey-900
`--facet-panel-bar-title-hover-color` | The color of the single or left title labels on hover (if a link). | --paper-indigo-900
`--facet-panel-max-height` | The max height of the bar chart. | none
`--facet-panel-second-bar-color` | The color of the right (second) bars. | --paper-grey-300
`--facet-panel-second-bar-count-color` | The color of the right (second) count labels. | --paper-grey-900
`--facet-panel-second-bar-height` | The height of the right (second) bars. | 20px
`--facet-panel-second-bar-title-color` | The color of the right (second) title labels. | --paper-grey-900
`--facet-panel-second-bar-title-hover-color` | The color of the right (second) title labels on hover (if a link). | --paper-indigo-900
@demo demo/index.html
-->
<dom-module id="facet-panel">
<template>
<style include="iron-flex iron-flex-alignment"></style>
<style>
.inside > * {
margin: 20px 10px 10px;
}
.expand-collapse-all {
color: var(--paper-grey-900);
cursor: pointer;
font-weight: 500;
line-height: 20px;
}
.expand-collapse-all:hover stylized-icon {
--stylized-icon-color: var(--paper-grey-900);
}
date-range-facet ::slotted(iron-collapse) {
margin-bottom: 40px;
}
facet-list {
--facet-list-bar-color: var(--facet-panel-bar-color, var(--paper-grey-300));
--facet-list-bar-count-color: var(--facet-panel-bar-count-color, var(--paper-grey-900));
--facet-list-bar-height: var(--facet-panel-bar-height, 20px);
--facet-list-bar-title-color: var(--facet-panel-bar-title-color, var(--paper-grey-900));
--facet-list-bar-title-hover-color: var(--facet-panel-bar-title-hover-color, var(--paper-indigo-900));
--facet-list-max-height: var(--facet-panel-max-height, none);
--facet-list-second-bar-color: var(--facet-panel-second-bar-color, var(--paper-grey-300));
--facet-list-second-bar-count-color: var(--facet-panel-second-bar-count-color, var(--paper-grey-900));
--facet-list-second-bar-height: var(--facet-panel-second-bar-height, 20px);
--facet-list-second-bar-title-color: var(--facet-panel-second-bar-title-color, var(--paper-grey-900));
--facet-list-second-bar-title-hover-color: var(--facet-panel-second-bar-title-hover-color, var(--paper-indigo-900));
}
</style>
<paper-header-panel mode="seamed">
<template is="dom-if" if="[[searchParameters]]">
<div class="inside">
<div class="layout horizontal expand-collapse-all" title="Toggle All Facets" on-tap="_toggleAllFacetLists">
<span class="flex">Facets</span>
<span>[[_getToggleAllFacetsText(collapseFacetLists)]]</span>
<stylized-icon icon="[[_getToggleAllFacetsIcon(collapseFacetLists)]]"></stylized-icon>
</div>
<template is="dom-repeat" items="[[searchFields]]">
<template is="dom-if" if="[[item.facets]]">
<template is="dom-if" if="[[!_equals(item.type, 'date')]]">
<facet-list
agg-field="[[item.field]]"
client="[[client]]"
index-name="[[indexName]]"
index-types="[[indexTypes]]"
query-builder-config="[[queryBuilderConfig]]"
query-url="[[searchEndpoint]]"
date-fields="[[dateFields]]"
image-style-class="[[imageStyleClass]]"
icon="[[item.icon]]"
name="[[item.key]]"
pretty-name="[[item.titlePlural]]"
style-class="[[item.styleClass]]"
target="_blank"
result-config="[[_createResultConfig(item.key, networkExpansionParameters.*)]]"
result-function="[[item.facetTransform]]"
result-list="{{item.results}}"
search-config="[[networkExpansionParameters]]"
search-function="[[facetsQuery]]"
search-parameters-property="[[item.key]]"
text-function="[[textFunction]]"
search-parameters="{{searchParameters}}"
process-request="{{processRequest}}">
</facet-list>
</template>
</template>
</template>
<template is="dom-repeat" items="[[searchFields]]">
<template is="dom-if" if="[[item.facets]]">
<template is="dom-if" if="[[_equals(item.type, 'date')]]">
<date-range-facet
header-title="[[item.title]]"
date-start-key="[[item.dateProperties.start.key]]"
date-start-title="[[item.dateProperties.start.title]]"
date-end-key="[[item.dateProperties.end.key]]"
date-end-title="[[item.dateProperties.end.title]]"
search-parameters-property="[[item.key]]"
search-parameters="{{searchParameters}}">
</date-range-facet>
</template>
</template>
</template>
<slot></slot>
</div>
</template>
</paper-header-panel>
</template>
<script>
(function () {
'use strict';
Polymer({
is: 'facet-panel',
properties: {
/**
* (Required)
*
* The elasticsearch client. Not required if `searchEndpoint` and `facetsQuery` are set.
*
* @type {Object}
*/
client: {
type: Object,
},
/**
* (Optional)
*
* Whether or not to collapse the facet lists.
*
* @type {Boolean}
* @default false
*/
collapseFacetLists: {
type: Boolean,
value: false
},
/**
* (Required)
*
* A collection of date fields mapped to objects containing the {String} `start` and {String} `end` property of each date for the
* `query-builder` in the child elements of `facet-list`.
*
* @type {Object}
*/
dateFields: {
type: Object
},
/**
* (Required)
*
* The query used by the facets.
*
* @type {Object}
*/
facetsQuery: {
type: Object
},
/**
* (Optional)
*
* The style class for all the images in the panel.
*
* @type {String}
* @default ''
*/
imageStyleClass: {
type: String,
value: ''
},
/**
* (Required)
*
* The elasticsearch index to query. Not required if `searchEndpoint` and `facetsQuery` are set.
*
* @type {String}
*/
indexName: {
type: String
},
/**
* (Required)
*
* The elasticsearch index types to query. Not required if `searchEndpoint` and `facetsQuery` are set.
*
* @type {Array}
*/
indexTypes: {
type: Array
},
/**
* (Required)
*
* The network expansion parameters used by the facets.
*
* @type {Object}
*/
networkExpansionParameters: {
type: Object
},
/**
* (Required|Output)
*
* The request object used by querys.
*
* @type {Object}
*/
processRequest: {
notify: true,
type: Object
},
/**
* (Required)
*
* Query config object to pass to the facet-aggregation-query element. Consists of unique keys from
* the searchParameter object mapped to config objects containing {String} field and (Optional)
* {String} type. Default type is "string". Supported types are "string", "date".
*
* Not required if `searchEndpoint` and `facetsQuery` are set.
*
* @type {Object}
*/
queryBuilderConfig: {
type: Object
},
/**
* (Required)
*
* The search endpoint used by querys. Not required if `client`, `indexName`, `indexTypes`, and `queryBuilderConfig` are set.
*
* @type {Object}
*/
searchEndpoint: {
type: Object
},
/**
* (Required)
*
* The search fields used by the facets.
*
* @type {Object}
*/
searchFields: {
type: Object
},
/**
* (Required|Output)
*
* The search parameters used by the facets.
*
* @type {Object}
*/
searchParameters: {
notify: true,
type: Object
},
/**
* (Optional)
*
* A function given to the `facet-list` to transform the ID into the text for the object.
*
* @type {Function}
*/
textFunction: {
type: Object
}
},
/**
* Creates and returns the result config for the facet list using the networkExpansionParameters and the given name.
*
* @param {String} name
* @return {Object}
* @private
*/
_createResultConfig: function(name) {
return {
name: name,
isNetworkExpansion: !!(_.findKey(this.networkExpansionParameters || {}, function(key) {
return key;
}))
};
},
_equals: function(a, b) {
return a === b;
},
_getToggleAllFacetsText: function() {
return (this.collapseFacetLists ? 'Expand' : 'Collapse') + ' All';
},
_getToggleAllFacetsIcon: function() {
return (this.collapseFacetLists ? 'icons:expand-more' : 'icons:expand-less');
},
_toggleAllFacetLists: function() {
var self = this;
self.collapseFacetLists = !self.collapseFacetLists;
// All facet lists should have the class 'facet'
var allFacetListNames = Polymer.dom(this.root).querySelectorAll('facet-list');
for (var i = 0, length = allFacetListNames.length; i < length; i++) {
if(self.collapseFacetLists) {
allFacetListNames[i].hideList();
} else {
allFacetListNames[i].showList();
}
}
}
});
})();
</script>
</dom-module>