[aur-dev] [PATCH] Implemented typeahead suggest
canyonknight
canyonknight at gmail.com
Sun Dec 16 13:05:04 EST 2012
On Fri, Dec 14, 2012 at 10:03 AM, Marcel Korpel <marcel.lists at gmail.com> wrote:
> ---
So after thinking about this some more, what are your thoughts on
adding a method to aurjson.class.php and having the JavaScript call
rpc.php for the JSON data instead of a new suggest.php file?
It would keep all the JSON related code in the same place rather than
even having to add a new html or lib file. Thoughts from anyone?
> web/html/home.php | 19 ++-
> web/html/index.php | 4 +
> web/html/js/bootstrap-typeahead.js | 311 +++++++++++++++++++++++++++++++++++++
> web/html/suggest.php | 12 ++
> web/lib/routing.inc.php | 1 +
> web/lib/suggestfunc.inc.php | 32 ++++
> 6 files changed, 378 insertions(+), 1 deletion(-)
> create mode 100644 web/html/js/bootstrap-typeahead.js
> create mode 100644 web/html/suggest.php
> create mode 100644 web/lib/suggestfunc.inc.php
>
> diff --git a/web/html/home.php b/web/html/home.php
> index 4e489ba..2d6d786 100644
> --- a/web/html/home.php
> +++ b/web/html/home.php
> @@ -95,7 +95,7 @@ $dbh = db_connect();
> <fieldset>
> <label for="pkgsearch-field"><?= __('Package Search') ?>:</label>
> <input type="hidden" name="O" value="0" />
> - <input type="text" name="K" size="30" value="<?php if (isset($_REQUEST["K"])) { print stripslashes(trim(htmlspecialchars($_REQUEST["K"], ENT_QUOTES))); } ?>" maxlength="35" />
> + <input id="pkgsearch-field" type="text" name="K" size="30" value="<?php if (isset($_REQUEST["K"])) { print stripslashes(trim(htmlspecialchars($_REQUEST["K"], ENT_QUOTES))); } ?>" maxlength="35" />
> </fieldset>
> </form>
> </div>
> @@ -107,5 +107,22 @@ $dbh = db_connect();
> </div>
>
> </div>
> +<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.8.2/jquery.min.js"></script>
> +<script type="text/javascript" src="/js/bootstrap-typeahead.js"></script>
> +<script type="text/javascript">
> +$(document).ready(function() {
> + $('#pkgsearch-field').typeahead({
> + source: function(query, callback) {
> + $.getJSON('/suggest', {q: query}, function(data) {
> + callback(data);
> + });
> + },
> + matcher: function(item) { return true; },
> + sorter: function(items) { return items; },
> + menu: '<ul class="pkgsearch-typeahead"></ul>',
> + items: 20
> + }).attr('autocomplete', 'off');
> +});
> +</script>
> <?php
> html_footer(AUR_VERSION);
> diff --git a/web/html/index.php b/web/html/index.php
> index a197d0b..c51f409 100644
> --- a/web/html/index.php
> +++ b/web/html/index.php
> @@ -118,6 +118,10 @@ if (!empty($tokens[1]) && '/' . $tokens[1] == get_pkg_route()) {
> header("Content-Type: image/png");
> include "./$path";
> break;
> + case "/js/bootstrap-typeahead.js":
> + header("Content-Type: application/javascript");
> + include "./$path";
> + break;
> default:
> header("HTTP/1.0 404 Not Found");
> include "./404.php";
> diff --git a/web/html/js/bootstrap-typeahead.js b/web/html/js/bootstrap-typeahead.js
> new file mode 100644
> index 0000000..2bb0355
> --- /dev/null
> +++ b/web/html/js/bootstrap-typeahead.js
> @@ -0,0 +1,311 @@
> +/* =============================================================
> + * bootstrap-typeahead.js v2.2.1
> + * http://twitter.github.com/bootstrap/javascript.html#typeahead
> + * =============================================================
> + * Copyright 2012 Twitter, Inc.
> + *
> + * Licensed under the Apache License, Version 2.0 (the "License");
> + * you may not use this file except in compliance with the License.
> + * You may obtain a copy of the License at
> + *
> + * http://www.apache.org/licenses/LICENSE-2.0
> + *
> + * Unless required by applicable law or agreed to in writing, software
> + * distributed under the License is distributed on an "AS IS" BASIS,
> + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
> + * See the License for the specific language governing permissions and
> + * limitations under the License.
> + * ============================================================ */
> +
> +
> +!function($){
> +
> + "use strict"; // jshint ;_;
> +
> +
> + /* TYPEAHEAD PUBLIC CLASS DEFINITION
> + * ================================= */
> +
> + var Typeahead = function (element, options) {
> + this.$element = $(element)
> + this.options = $.extend({}, $.fn.typeahead.defaults, options)
> + this.matcher = this.options.matcher || this.matcher
> + this.sorter = this.options.sorter || this.sorter
> + this.highlighter = this.options.highlighter || this.highlighter
> + this.updater = this.options.updater || this.updater
> + this.$menu = $(this.options.menu).appendTo('body')
> + this.source = this.options.source
> + this.shown = false
> + this.listen()
> + }
> +
> + Typeahead.prototype = {
> +
> + constructor: Typeahead
> +
> + , select: function () {
> + var val = this.$menu.find('.active').attr('data-value')
> + this.$element
> + .val(this.updater(val))
> + .change()
> + return this.hide()
> + }
> +
> + , updater: function (item) {
> + return item
> + }
> +
> + , show: function () {
> + var pos = $.extend({}, this.$element.offset(), {
> + height: this.$element[0].offsetHeight
> + })
> +
> + this.$menu.css({
> + top: pos.top + pos.height
> + , left: pos.left
> + })
> +
> + this.$menu.show()
> + this.shown = true
> + return this
> + }
> +
> + , hide: function () {
> + this.$menu.hide()
> + this.shown = false
> + return this
> + }
> +
> + , lookup: function (event) {
> + var items
> +
> + this.query = this.$element.val()
> +
> + if (!this.query || this.query.length < this.options.minLength) {
> + return this.shown ? this.hide() : this
> + }
> +
> + items = $.isFunction(this.source) ? this.source(this.query, $.proxy(this.process, this)) : this.source
> +
> + return items ? this.process(items) : this
> + }
> +
> + , process: function (items) {
> + var that = this
> +
> + items = $.grep(items, function (item) {
> + return that.matcher(item)
> + })
> +
> + items = this.sorter(items)
> +
> + if (!items.length) {
> + return this.shown ? this.hide() : this
> + }
> +
> + return this.render(items.slice(0, this.options.items)).show()
> + }
> +
> + , matcher: function (item) {
> + return ~item.toLowerCase().indexOf(this.query.toLowerCase())
> + }
> +
> + , sorter: function (items) {
> + var beginswith = []
> + , caseSensitive = []
> + , caseInsensitive = []
> + , item
> +
> + while (item = items.shift()) {
> + if (!item.toLowerCase().indexOf(this.query.toLowerCase())) beginswith.push(item)
> + else if (~item.indexOf(this.query)) caseSensitive.push(item)
> + else caseInsensitive.push(item)
> + }
> +
> + return beginswith.concat(caseSensitive, caseInsensitive)
> + }
> +
> + , highlighter: function (item) {
> + var query = this.query.replace(/[\-\[\]{}()*+?.,\\\^$|#\s]/g, '\\$&')
> + return item.replace(new RegExp('(' + query + ')', 'ig'), function ($1, match) {
> + return '<strong>' + match + '</strong>'
> + })
> + }
> +
> + , render: function (items) {
> + var that = this
> +
> + items = $(items).map(function (i, item) {
> + i = $(that.options.item).attr('data-value', item)
> + i.find('a').html(that.highlighter(item))
> + return i[0]
> + })
> +
> + items.first().addClass('active')
> + this.$menu.html(items)
> + return this
> + }
> +
> + , next: function (event) {
> + var active = this.$menu.find('.active').removeClass('active')
> + , next = active.next()
> +
> + if (!next.length) {
> + next = $(this.$menu.find('li')[0])
> + }
> +
> + next.addClass('active')
> + }
> +
> + , prev: function (event) {
> + var active = this.$menu.find('.active').removeClass('active')
> + , prev = active.prev()
> +
> + if (!prev.length) {
> + prev = this.$menu.find('li').last()
> + }
> +
> + prev.addClass('active')
> + }
> +
> + , listen: function () {
> + this.$element
> + .on('blur', $.proxy(this.blur, this))
> + .on('keypress', $.proxy(this.keypress, this))
> + .on('keyup', $.proxy(this.keyup, this))
> +
> + if (this.eventSupported('keydown')) {
> + this.$element.on('keydown', $.proxy(this.keydown, this))
> + }
> +
> + this.$menu
> + .on('click', $.proxy(this.click, this))
> + .on('mouseenter', 'li', $.proxy(this.mouseenter, this))
> + }
> +
> + , eventSupported: function(eventName) {
> + var isSupported = eventName in this.$element
> + if (!isSupported) {
> + this.$element.setAttribute(eventName, 'return;')
> + isSupported = typeof this.$element[eventName] === 'function'
> + }
> + return isSupported
> + }
> +
> + , move: function (e) {
> + if (!this.shown) return
> +
> + switch(e.keyCode) {
> + case 9: // tab
> + case 13: // enter
> + case 27: // escape
> + e.preventDefault()
> + break
> +
> + case 38: // up arrow
> + e.preventDefault()
> + this.prev()
> + break
> +
> + case 40: // down arrow
> + e.preventDefault()
> + this.next()
> + break
> + }
> +
> + e.stopPropagation()
> + }
> +
> + , keydown: function (e) {
> + this.suppressKeyPressRepeat = !~$.inArray(e.keyCode, [40,38,9,13,27])
> + this.move(e)
> + }
> +
> + , keypress: function (e) {
> + if (this.suppressKeyPressRepeat) return
> + this.move(e)
> + }
> +
> + , keyup: function (e) {
> + switch(e.keyCode) {
> + case 40: // down arrow
> + case 38: // up arrow
> + case 16: // shift
> + case 17: // ctrl
> + case 18: // alt
> + break
> +
> + case 9: // tab
> + case 13: // enter
> + if (!this.shown) return
> + this.select()
> + break
> +
> + case 27: // escape
> + if (!this.shown) return
> + this.hide()
> + break
> +
> + default:
> + this.lookup()
> + }
> +
> + e.stopPropagation()
> + e.preventDefault()
> + }
> +
> + , blur: function (e) {
> + var that = this
> + setTimeout(function () { that.hide() }, 150)
> + }
> +
> + , click: function (e) {
> + e.stopPropagation()
> + e.preventDefault()
> + this.select()
> + this.$element.focus()
> + }
> +
> + , mouseenter: function (e) {
> + this.$menu.find('.active').removeClass('active')
> + $(e.currentTarget).addClass('active')
> + }
> +
> + }
> +
> +
> + /* TYPEAHEAD PLUGIN DEFINITION
> + * =========================== */
> +
> + $.fn.typeahead = function (option) {
> + return this.each(function () {
> + var $this = $(this)
> + , data = $this.data('typeahead')
> + , options = typeof option == 'object' && option
> + if (!data) $this.data('typeahead', (data = new Typeahead(this, options)))
> + if (typeof option == 'string') data[option]()
> + })
> + }
> +
> + $.fn.typeahead.defaults = {
> + source: []
> + , items: 8
> + , menu: '<ul class="typeahead dropdown-menu"></ul>'
> + , item: '<li><a></a></li>'
> + , minLength: 1
> + }
> +
> + $.fn.typeahead.Constructor = Typeahead
> +
> +
> + /* TYPEAHEAD DATA-API
> + * ================== */
> +
> + $(document).on('focus.typeahead.data-api', '[data-provide="typeahead"]', function (e) {
> + var $this = $(this)
> + if ($this.data('typeahead')) return
> + e.preventDefault()
> + $this.typeahead($this.data())
> + })
> +
> +}(window.jQuery);
> diff --git a/web/html/suggest.php b/web/html/suggest.php
> new file mode 100644
> index 0000000..2696662
> --- /dev/null
> +++ b/web/html/suggest.php
> @@ -0,0 +1,12 @@
> +<?php
> +set_include_path(get_include_path() . PATH_SEPARATOR . '../lib');
> +include_once('suggestfunc.inc.php');
> +
> +if ( $_SERVER['REQUEST_METHOD'] != 'GET' ) {
> + header('HTTP/1.1 405 Method Not Allowed');
> + exit();
> +}
> +
> +if ( isset($_GET['q']) ) {
> + echo suggest_search($_GET['q']);
> +}
> diff --git a/web/lib/routing.inc.php b/web/lib/routing.inc.php
> index 206886c..ebe9dd3 100644
> --- a/web/lib/routing.inc.php
> +++ b/web/lib/routing.inc.php
> @@ -13,6 +13,7 @@ $ROUTES = array(
> '/rpc' => 'rpc.php',
> '/rss' => 'rss.php',
> '/submit' => 'pkgsubmit.php',
> + '/suggest' => 'suggest.php',
> '/tu' => 'tu.php',
> '/addvote' => 'addvote.php',
> );
> diff --git a/web/lib/suggestfunc.inc.php b/web/lib/suggestfunc.inc.php
> new file mode 100644
> index 0000000..7519da9
> --- /dev/null
> +++ b/web/lib/suggestfunc.inc.php
> @@ -0,0 +1,32 @@
> +<?php
> +/**
> + * This file contains the typeahead suggest search function
> + **/
> +include_once("aur.inc.php");
> +
> +/**
> + * This function searches the package database
> + * @param string $search Contains search string
> + * @param \PDO $dbh Already established database connection
> + * @return string The JSON formatted response data
> + **/
> +function suggest_search($search="", $dbh=NULL) {
> + if(!$dbh) {
> + $dbh = db_connect();
> + }
> +
> + // get all package names that start with $search
> + $query = 'SELECT Name FROM Packages WHERE Name LIKE ' .
> + $dbh->quote(addcslashes($search, '%_') . '%') .
> + ' ORDER BY Name ASC LIMIT 20';
> +
> + $result = $dbh->query($query);
> + $json_array = array();
> +
> + if ($result) {
> + $json_array = $result->fetchAll(PDO::FETCH_COLUMN, 0);
> + }
> +
> + header('Content-Type: application/json');
> + return json_encode($json_array);
> +}
> --
> 1.8.0.2
>
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