page-browse.html
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<link rel="import" href="../../bower_components/iron-selector/iron-selector.html">
<link rel="import" href="../../bower_components/iron-icons/iron-icons.html">
<link rel="import" href="../../bower_components/iron-icons/av-icons.html">
<link rel="import" href="../../bower_components/paper-drawer-panel/paper-drawer-panel.html">
<link rel="import" href="../../bower_components/paper-icon-button/paper-icon-button.html">
<link rel="import" href="../../bower_components/paper-header-panel/paper-header-panel.html">
<link rel="import" href="../app-sidebar/app-sidebar.html">
<link rel="import" href="../app-logo/app-logo.html">
<link rel="import" href="../app-bar/app-bar.html">
<link rel="import" href="../cart-icon/cart-icon.html">
<link rel="import" href="../catalog-data/catalog-data.html">
<link rel="import" href="../catalog-package/catalog-package.html">
<link rel="import" href="../package-symbol/package-symbol.html">
<link rel="import" href="../tag-link/tag-link.html">
<link rel="import" href="../theme-color/theme-color.html">
<link rel="import" href="../element-action-menu/element-action-menu.html">
<link rel="import" href="../element-table/element-table.html">
<link rel="import" href="../element-table-cards/element-table-cards.html">
<link rel="import" href="../responsive-element/responsive-element.html">
<dom-module id="page-browse">
<link rel="import" type="css" href="page-browse.css">
<template>
<catalog-data elements="{{elements}}" packages="{{packages}}"></catalog-data>
<catalog-package name="[[package]]" data="{{packageInfo}}"></catalog-package>
<paper-drawer-panel id="drawerPanel" responsive-width="900px" narrow="{{narrowMode}}" drawer-width="272px" disable-edge-swipe>
<app-sidebar drawer>
<paper-toolbar>
<app-logo class="flex" tabindex="1"></app-logo>
<app-bar class="horizontal layout center end-justified" no-search></app-bar>
</paper-toolbar>
<div id="search" class="layout horizontal center">
<iron-icon icon="search"></iron-icon>
<input id="query" type="search" autocomplete="off" value="{{q::keyup}}" placeholder="Search Elements" class="flex" on-search="onSearch">
</div>
<div class="content">
<div id="package-tag" hidden$="[[!tag]]">
<span>[[tag]]</span> <iron-icon icon="clear" on-tap="clearTag"></iron-icon>
</div>
<div id="package-list">
<nav>
<a class="package" is="app-link" href="/browse?package=" active$="[[_isEqual(package,'')]]" tabindex="1">
<div class="layout horizontal center">
<div class="all-symbol" aria-hidden="true"><iron-icon icon="apps"></iron-icon></div>
<span class="title flex">All Elements</span>
</div>
</a>
<template is="dom-repeat" items="[[packages]]">
<a class="package" is="app-link" href$="[[_packageLink(item.name)]]" active$="[[_isEqual(package,item.name)]]" tabindex="1">
<div class="layout horizontal center">
<package-symbol aria-hidden="true" symbol="[[item.symbol]]" color="[[item.color]]"></package-symbol>
<span class="title flex">[[item.title]]</span>
</div>
</a>
</template>
</nav>
</div>
<div hidden$="[[!tag]]" id="current-tag" class="horizontal layout center">
<b>Tag:</b> <span class="flex">[[tag]]</span> <iron-icon icon="clear" on-tap="clearTag"></iron-icon>
</div>
</div>
</app-sidebar>
<paper-header-panel id="container" mode="[[_getMode(narrowMode)]]" view$="[[_actualView(view)]]" main>
<div class="paper-header">
<paper-icon-button icon="menu" paper-drawer-toggle></paper-icon-button>
<h2 class="flex">[[pageTitle]]</h2>
<paper-icon-button class="toggleViewButton" icon="[[viewIcon]]" on-tap="toggleView" hidden$="[[_forceCards]]"></paper-icon-button>
<cart-icon class="cartButton" id="cart-toggle" icon="stars" on-tap="cartOpen"></cart-icon>
</div>
<div id="content">
<div id="package-heading" hidden$="[[!packageInfo]]">
<div class="description">[[packageInfo.description]]</div>
</div>
<template is="dom-if" if="[[_stampCards(view)]]" restamp>
<element-table-cards id="element-cards" elements="[[_filteredElements]]"></element-table-cards>
</template>
<template is="dom-if" if="[[_stampTable(view)]]" restamp>
<element-table color="[[_getColor(packageInfo)]]" elements="[[_filteredElements]]" on-tag-selected="updateTag"></element-table>
</template>
</div>
</paper-header-panel>
</paper-drawer-panel>
</template>
</dom-module>
<script>
(function() {
var _lastNavigated = null;
Polymer({
is: 'page-browse',
enableCustomStyleProperties: true,
properties: {
router: Object,
pageTitle: {type: String},
// Query Parameters
q: {type: String, notify: true, value: '', observer: '_qChanged'},
tag: {type: String, notify: true, value: ''},
package: {type: String, notify: true, value: ''},
view: {type: String, notify: true},
tagList: {type: Array, computed: 'arrayParam(tag)', value: function() { return []; }},
packageList: {type: Array, computed: 'arrayParam(package)', value: function() { return []; }},
viewIcon: {type: String, computed: 'computeViewIcon(view)', value: 'view-module'},
packages: Array,
packageInfo: {type: Object, value: {}},
elements: Array,
_filteredElements: Array,
_elementCount: Number,
_forceCards: {type: Boolean},
},
observers: [
'updateURL(q,package, tag, view, elements)',
'updateMeta(package, packageInfo)',
'scrollToTop(package)'
],
listeners: {
'update-params': '_handleParamsUpdate'
},
ready: function() {
this.view = this._forceCards ? 'cards' : 'table';
},
filter: function(element) {
if (this.q && this.q.length && element.name.indexOf(this.q) < 0) {
return false;
}
if (this.packageList.length && this.packageList.indexOf(element.package) < 0) {
return false;
}
if (this.tagList.length) {
var match = false;
for (var i = 0; i < this.tagList.length; i++) {
if (element.tags.join(' ').indexOf(this.tagList[i]) >= 0) match = true;
}
if (!match) return false;
}
return true;
},
updateTag: function(e, detail) {
e.stopPropagation();
e.preventDefault();
var newTag = detail.name;
var t = this.tagList.slice(0);
if (t.indexOf(newTag) < 0) t.push(newTag);
this.tag = t.join(',');
},
clearTag: function() { this.tag = null; },
updatePackage: function(e) {
e.stopPropagation();
e.preventDefault();
var newPkg = e.currentTarget.name;
var p = this.packageList.slice(0);
if (p.indexOf(newPkg) < 0) p.push(newPkg);
this.package = p.join(',');
},
clearPackage: function() { this.package = null; },
togglePackages: function() {
if (this.package) {
this.prevPackage = this.package;
this.clearPackage();
} else {
this.package = this.prevPackage;
}
},
_parseQueryString: function() {
var query = window.location.search.substring(1);
var params = query.split('&');
var results = [];
for (var i = 0; i < params.length; i++) {
var pair = params[i].split('=');
results[pair[0]] = pair[1];
}
return results;
},
_buildQueryString: function() {
var out = [];
if (this.q && this.q.length) out.push("q=" + this.q);
if (this.tag && this.tag.length) out.push("tag=" + this.tag);
if (this.package && this.package.length) out.push("package=" + this.package);
if (this.view !== 'table') out.push("view=" + this.view);
return out.join("&");
},
_handleParamsUpdate: function(_, params) {
for (var key in params) {
this[key] = params[key];
}
},
_packageLink: function(name) {
return "/browse?package=" + name;
},
_qChanged: function(q) {
if (q) {
this.async(function() {
this.$.query.focus();
// make sure to force the cursor to the end of the
// input. Only an issue in Firefox.
this.$.query.setSelectionRange(q.length, q.length);
});
}
},
updateURL: function(q, packageName, packageInfo, tag, view) {
var qs = this._buildQueryString();
if (qs !== _lastNavigated && this.router) {
_lastNavigated = qs;
this.router.go('/browse' + (qs.length ? '?' + qs : ''), {replace: true});
}
this.updateMeta(packageName, this.packageInfo);
if (this.elements) {
this._filteredElements = this.elements.filter(this.filter.bind(this));
this._elementCount = this._filteredElements.length;
}
this.scrollToTop();
},
updateMeta: function(packageName, packageInfo) {
if (this.q && this.q.length) {
var t = "'" + this.q + "' ";
t += (packageInfo && packageInfo.title) ? packageInfo.title : "Elements";
this.pageTitle = t;
} else if (packageInfo && packageInfo.title) {
this.pageTitle = packageInfo.title;
} else if (this.tagList.length) {
this.pageTitle = "Elements Tagged '" + this.tagList.join("' or '") + "'";
} else {
this.pageTitle = "All Elements";
}
this.fire('page-meta', { title: this.pageTitle });
this.$.drawerPanel.closeDrawer();
},
toggleView: function() {
if (this.view === 'table') {
this.view = 'cards';
} else {
this.view = 'table';
}
},
computeViewIcon: function(view) {
if (view === 'table') {
return 'view-module';
} else {
return 'view-list';
}
},
arrayParam: function(param) {
if (!param || !param.length) { return []; }
return param.toString().split(',');
},
cartOpen: function(e) {
this.fire('cart-open');
},
onSearch: function(e) {
// when a user clicks on the (x) button we need to be sure to
// clear the query
this.q = this.$.query.value;
},
scrollToTop: function() {
this.$.container.scroller.scrollTop = 0;
},
_stampCards: function(view) {
return view === 'cards';
},
_stampTable: function(view) {
return view === 'table';
},
closeDrawer: function() {
this.$.drawerPanel.closeDrawer();
},
_actualView: function(view, force) {
return force ? 'cards' : view;
},
_isEqual: function(a,b) {
return a === b;
},
_getColor: function() {
return this.packageInfo && this.packageInfo.color ? this.packageInfo.color : '';
},
_getMode: function(narrow) {
return narrow ? 'waterfall' : 'scroll';
}
});
})();
</script>