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advanced-filter.html
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<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
-->
<link rel="import" href="../polymer/polymer.html">
<link rel="import" href="../iron-icons/iron-icons.html"/>
<link rel="import" href="../iron-flex-layout/classes/iron-flex-layout.html"/>
<link rel="import" href="../iron-selector/iron-selector.html"/>
<link rel="import" href="../paper-checkbox/paper-checkbox.html"/>
<link rel="import" href="../paper-button/paper-button.html"/>
<link rel="import" href="../iron-dropdown/iron-dropdown.html"/>
<link rel="import" href="../fontawesome-iconset/fa-all.html">
<link rel="import" href="../star-ratings/star-ratings.html">
<script src="../lodash/lodash.min.js"></script>
<!--
<h1>Advanced Filtering Element</h1>
<advanced-filter id="filter></advanced-filter>
<script>
(function (){
var filter = document.getElementById('filter');
var filterList = [
{
"order": "1",
"id": "fruitList",
"title": "Filter By Fruit",
"typeScroll": true,
"list": [
'Apples',
'Bananas',
'Cantaloupe',
'Date',
'Elderberry',
'Apples',
'Bananas',
'Cantaloupe',
'Date',
'Elderberry',
'Apples',
'Bananas',
'Cantaloupe',
'Date',
'Elderberry',
'Strawberry'],
"appliedValues": []
}, {
"order":"2",
"id":"vegetableList",
"title":"Filter By Vegetable",
"typeCheck":true,
"list": [
'Apples',
'Bananas',
'Cantaloupe',
'Date',
'Elderberry'],
"appliedValues":[]
}, {
"order": "3",
"id": "starList",
"title": "Filter By Rating",
"typeStar": true,
"list": ['0', '1', '2', '3', '4', '5'],
"appliedValues": []
}
];
filter.load();
filter.filterList = filterList;
filter.resultsTotal = '0';
filter.resultsTitle = 'Results';
}());
</script>
@demo demo/index.html
@hero hero.svg
-->
<dom-module id="advanced-filter">
<style>
:host {
display: block;
}
.table-filters { padding: 0 30px; }
.table-filters {
margin-top: 30px;
}
.filter-bar {
height: 25px;
border-right: 1px solid #DCDCDC;
margin-left: 15px;
margin-right: 20px;
}
.advisors-results {
white-space: nowrap;
font-size: 12px;
line-height: 25px;
}
.filter-list-button {
cursor: pointer;
min-width: 95px;
}
:host .advanced-filters > div.filter-wrap {
padding: 0 20px;
}
iron-dropdown#filterDropdown {
background: white;
margin-top: 35px;
margin-left: 15px;
padding: 20px 10px;
-webkit-box-shadow: 0 0 16px -2px rgba(0,0,0,0.75);
-moz-box-shadow: 0 0 16px -2px rgba(0,0,0,0.75);
box-shadow: 0 0 16px -2px rgba(0,0,0,0.75);
}
iron-dropdown#filterDropdown .dropdown-content {
overflow-y: auto;
overflow-x: hidden;
}
.checkbox-container paper-checkbox {
--paper-checkbox-unchecked-color: #4d4d4d;
--paper-checkbox-checked-color: #4d4d4d;
--paper-checkbox-checkmark-color: white;
margin-bottom: 10px;
cursor: pointer;
}
#filterDropdownOpen {
width: 125px;
text-align: center;
padding: 15px 0;
position: absolute;
font-size: 16px;
top: -48px;
left: 0;
background-color: white;
cursor: pointer;
-webkit-box-shadow: 0 0 16px -2px gba(0,0,0,0.75);
-moz-box-shadow: 0 0 16px -2px rgba(0,0,0,0.75);
box-shadow: 0 0 16px -2px rgba(0,0,0,0.75);
}
.filter-dropdown-open-cover-tall {
background-color: white;
width: 150px;
height: 50px;
position: absolute;
top: 9px;
left: 0;
z-index: 1;
}
.filter-dropdown-open-cover-wide {
background-color: white;
width: 200px;
height: 50px;
position: absolute;
top: 0;
left: 0;
z-index: 1;
}
.filter-wrapper {
position: relative;
z-index: 2;
}
.filter-wrapper h4 { margin-top: 5px; }
.star-container div{
margin-bottom: 10px;
cursor: pointer;
}
iron-list { height: 300px; }
.scroll-container iron-selector {
display: block;
max-height: 350px;
max-width: 200px;
overflow: auto;
padding: 10px 0;
border: 1px solid lightgray;
}
.scroll-container iron-selector div {
padding: 5px 20px;
cursor: pointer;
}
.scroll-container iron-selector div.iron-selected { background: #EAEAEA; }
.filter-buttons {
margin-top: 20px;
}
.filter-buttons paper-button {
height: 38px;
}
.filter-buttons paper-button.black-button {
color: #fff;
background: #4A4A4A;
}
#appliedFilters {
display: -webkit-flex;
display: flex;
-webkit-flex-direction: row;
flex-direction: row;
-webkit-flex-wrap: wrap;
flex-wrap: wrap;
-webkit-align-items: center;
align-items: center;
margin-left: 10px;
}
#appliedFilters .listed-filters {
background-color: #EAEAEA;
padding: 2px 8px;
border-radius: 5px;
margin: 2px;
font-size: 14px;
}
#appliedFilters .listed-filters iron-icon {
color: #5F5F5F;
width: 16px;
height: 16px;
margin-left: 5px;
cursor: pointer;
}
.clear-filters {
cursor: pointer;
margin-right: 10px;
margin-left: 10px;
font-size: 12px;
font-weight: bold;
white-space: nowrap;
}
#appliedFilters .listed-filters star-ratings ::content iron-icon {
width: 16px;
height: 16px;
}
.star-container iron-selector div.iron-selected star-ratings ::content iron-icon {
color: gold;
}
.filter-container {
min-width: 190px;
}
</style>
<template>
<div class="table-filters flex horizontal layout">
<div class="dropdown-trigger layout horizontal">
<div class="flex layout horizontal filter-container">
<span class="filter-list-button" on-tap="openFilters">Filter List <iron-icon icon="fa:angle-down"></iron-icon></span>
<span class="filter-bar"></span>
<div class="advisors-results"><span>{{resultsTotal}}</span> <span>{{resultsTitle}}</span></div>
</div>
<div id="appliedFilters" class="layout horizontal">
<template id="appliedFiltersListInner" is="dom-repeat" items="{{activeApplied}}" as="selected" index-as="selected_no">
<template is="dom-if" if="{{selected.typeScroll}}">
<div class="listed-filters" data-id$="{{selected.id}}" data-name$="{{selected.item}}">
<span>{{selected.item}}</span>
<iron-icon icon="fa:times-circle-o" on-click="removeFilter"></iron-icon>
</div>
</template>
<template is="dom-if" if="{{selected.typeCheck}}">
<div class="listed-filters" data-id$="{{selected.id}}" data-name$="{{selected.item}}">
<span>{{selected.item}}</span>
<iron-icon icon="fa:times-circle-o" on-click="removeFilter"></iron-icon>
</div>
</template>
<template is="dom-if" if="{{selected.typeStar}}">
<div class="listed-filters flex horizontal layout" data-id$="{{selected.id}}" data-name$="{{selected.item}}" style="min-width: 105px; width: 105px; max-width: 105px;">
<star-ratings active-stars="{{selected.item}}"></star-ratings>
<iron-icon icon="fa:times-circle-o" on-click="removeFilter"></iron-icon>
</div>
</template>
</template>
<template is="dom-if" if="{{hasFilters}}">
<div class="clear-filters" on-click="clearFilters">Clear Filters</div>
</template>
</div>
</div>
<iron-dropdown id="filterDropdown" horizontal-align="left" vertical-align="top">
<div class="dropdown-content">
<div id="filterDropdownOpen" on-click="closeFilters">Filter List <iron-icon icon="fa:angle-up"></iron-icon></div>
<div class="filter-dropdown-open-cover-tall"></div>
<div class="filter-dropdown-open-cover-wide"></div>
<div class="flex horizontal layout filter-wrapper advanced-filters">
<template id="filterDropdownTemplate" is="dom-repeat" items="[[response]]" as="filter" sort="_sortFilters">
<template is="dom-if" if="[[filter.typeScroll]]">
<div class="filter-wrap scroll-container">
<h4>[[filter.title]]</h4>
<iron-selector id="[[filter.id]]" multi="true" attr-for-selected="name">
<template is="dom-repeat" items="[[filter.list]]" as="listed" index-as="listed_no">
<div name="[[listed]]">[[listed]]</div>
</template>
</iron-selector>
</div>
</template>
<template is="dom-if" if="[[filter.typeCheck]]">
<div class="filter-wrap checkbox-container">
<h4>[[filter.title]]</h4>
<iron-selector id="[[filter.id]]" multi="true" attr-for-selected="name" class="flex layout vertical">
<template is="dom-repeat" items="[[filter.list]]" as="listed" index-as="listed_no">
<paper-checkbox name="[[listed]]">[[listed]]</paper-checkbox>
</template>
</iron-selector>
</div>
</template>
<template is="dom-if" if="[[filter.typeStar]]">
<div class="filter-wrap star-container">
<h4>[[filter.title]]</h4>
<iron-selector id="[[filter.id]]" multi="true" attr-for-selected="name">
<template is="dom-repeat" items="[[filter.list]]" as="listed" index-as="listed_no">
<div name="[[listed]]"><star-ratings active-stars='[[listed]]'></star-ratings></div>
</template>
</iron-selector>
</div>
</template>
</template>
</div>
<div class="flex horizontal layout filter-buttons">
<div class="flex"></div>
<paper-button class="black-button" on-click="setApply">Apply Filters</paper-button>
<paper-button on-click="cancelApply">Cancel</paper-button>
</div>
</div>
</iron-dropdown>
</div>
</template>
<script>
(function () {
Polymer({
is: 'advanced-filter',
properties: {
hasFilters: Boolean,
resultsTotal: {
type: String,
value: "0",
notify: true
},
resultsTitle: {
type: String,
value: "",
notify: true
},
response: {
type: Array,
readOnly: true,
notify: true
},
activeApplied: {
type: Array,
value: [],
notify: true
}
},
observers: [
'_filterSelectionChanged(filterList.*)'
],
_filterSelectionChanged: function(changeRecord) {
var cleanResponse = this._cleanFilters(this.filterList);
this._setResponse(cleanResponse);
this.hasFilters = false;
var hasFiltersActive = false;
_.forEach(changeRecord.base, function(n) {
if(n.appliedValues && n.appliedValues.length > 0) {
hasFiltersActive = true;
}
});
if (hasFiltersActive) this.hasFilters = true;
},
_cleanFilters: function(list) {
return _.forEach(list, function(x) {
if(x.typeCheck && x.list.length > 10) {
x.typeCheck = false;
x.typeScroll = true;
}
x.list = _.uniq(x.list);
});
},
_clearSelectedValues: function (list) {
if (this._elGetByIdOf(list).selectedValues) {
this._elGetByIdOf(list).selectedValues = [];
}
},
_elGetByIdOf: function (list) {
return this.$$('#'+ list.id);
},
_setTypeCheck: function (list, bool) {
var self = this;
if (list.typeCheck) {
_.forEach(self._elGetByIdOf(list).getElementsByClassName('iron-selected'), function(n) {
n.checked = bool;
});
}
},
_sortFilters: function(a, b) {
a.order = parseInt(a.order);
b.order = parseInt(b.order);
return a.order - b.order;
},
load: function() {
this.resultsTotal = "0";
this.hasFilters = false;
},
openFilters: function() {
var self = this;
_.forEach(this.filterList, function(list) {
self._setTypeCheck(list, false);
self._clearSelectedValues(list);
_selectAppliedValues(list);
self._setTypeCheck(list, true);
});
this.$.filterDropdown.open();
function _selectAppliedValues (list) {
_.forEach(list.appliedValues, function(sv) {
self._elGetByIdOf(list).select(sv);
});
}
},
closeFilters: function() {
this.$.filterDropdown.close();
},
checkFilters: function() {
this.hasFilters = false;
var hasFiltersActive = false;
_.forEach(this.filterList, function(n) {
if (n.appliedValues && n.appliedValues.length > 0) {
hasFiltersActive = true;
}
});
if (hasFiltersActive) this.hasFilters = true;
},
removeFilter: function(e) {
var self = this;
var selectedId = e.target.parentElement.dataset.id;
var selectedName = e.target.parentElement.dataset.name;
this.splice('activeApplied', _.findIndex(this.activeApplied, {id: selectedId, item: selectedName}),1);
_.forEach(this.filterList, function(list, index) {
if (list.id === selectedId) {
_.forEach(list.appliedValues, function(item,i) {
if (item === selectedName) {
self.filterList[index].appliedValues.splice(i, 1);
self.notifyPath('filterList.*', self.filterList[index].appliedValues);
}
});
}
});
this.checkFilters();
this.fire('kick', {kicked: true});
},
clearFilters: function() {
var self = this;
_.forEach(this.filterList, function(list, i) {
self._setTypeCheck(list, false);
if (self._elGetByIdOf(list).selectedValues) {
self._elGetByIdOf(list).selectedValues = [];
self.filterList[i].appliedValues.length = 0;
}
self.notifyPath('filterList.*', self.filterList[i].appliedValues);
});
this.splice('activeApplied', 0, this.activeApplied.length);
this.closeFilters();
this.fire('kick', {kicked: true});
},
setApply: function() {
var self = this;
_.forEach(this.filterList, function(list, i) {
if (_.compact(list.appliedValues).length) {
self.filterList[i].appliedValues.splice(0, list.appliedValues.length);
}
if (_.compact(self._elGetByIdOf(list).selectedValues).length) {
_.forEach(_.compact(self._elGetByIdOf(list).selectedValues), function(sv) {
self.filterList[i].appliedValues.push(sv);
});
}
self.notifyPath('filterList.*', self.filterList[i].appliedValues);
});
this.closeFilters();
this.applySelected();
this.fire('kick', {kicked: true});
},
cancelApply: function() {
this.closeFilters();
},
applySelected: function() {
var self = this;
var tmp = [];
var clean = _.map(_.compact(this.activeApplied), function(o) {
return _.omit(o, ['typeCheck', 'typeStar', 'typeScroll']);
});
var difference = function(array){
var rest = Array.prototype.concat.apply(Array.prototype, Array.prototype.slice.call(arguments, 1));
var containsEquals = function(obj, target) {
if (obj === null) return false;
return _.any(obj, function(value) {
return _.isEqual(value, target);
});
};
return _.filter(array, function(value){ return ! containsEquals(rest, value); });
};
_.forEach(this.filterList, function(row) {
if (row.appliedValues.length > 0) {
_.forEach(row.appliedValues, function(item) {
tmp.push({id:row.id, item:item});
});
}
});
_.forEach(difference(clean, tmp), function(obj){
self.splice('activeApplied', _.findIndex( self.activeApplied, { 'id': obj.id, 'item': obj.item }), 1);
});
_.forEach(this.filterList, function(list) {
var appliedValues = _.compact(list.appliedValues);
if (appliedValues.length) {
var condObject,
appliedValue;
function _setConditionalObject (type) {
condObject = { id : list.id, item : appliedValue };
condObject[type] = true;
}
function _checkIfFilterType (type) {
_setConditionalObject(type);
return !_.some(self.activeApplied, condObject);
}
function _setActive () {
self.push('activeApplied', condObject);
}
_.forEach(appliedValues, function(item) {
appliedValue = item;
if(list.typeCheck && _checkIfFilterType('typeCheck')) {
_setActive();
} else if(list.typeStar && _checkIfFilterType('typeStar')) {
_setActive();
} else if(list.typeScroll && _checkIfFilterType('typeScroll')) {
_setActive();
}
});
} else {
_.forEach(_.compact(self.activeApplied), function(obj,i) {
if(obj.id === list.id) {
self.splice('activeApplied', i, 1);
}
});
}
});
this.notifyPath('activeApplied.*', this.activeApplied);
}
});
})();
</script>
</dom-module>