gnu-social/plugins/Autocomplete/js/autocomplete.go.js

138 lines
4.6 KiB
JavaScript

/** Init for Autocomplete (requires jquery-ui)
*
* @package Plugin
* @author Mikael Nordfeldth <mmn@hethane.se>
* @copyright 2013 Free Software Foundation, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://status.net/
*/
var origInit = SN.Init.NoticeFormSetup;
SN.Init.NoticeFormSetup = function(form) {
origInit(form);
// Only attach to traditional-style forms
var textarea = form.find('.notice_data-text:first');
if (textarea.length === 0) {
return;
}
function termSplit(val) {
return val.split(/ \s*/);
}
function extractLast( term ) {
return termSplit(term).pop();
}
var apiUrl = $('#autocomplete-api').attr('data-url');
// migrated "multiple" and "multipleSeparator" from
// http://www.learningjquery.com/2010/06/autocomplete-migration-guide
textarea
.bind('keydown', function( event ) {
if ( event.keyCode === $.ui.keyCode.TAB &&
$( this ).data( "ui-autocomplete" ).menu.active ) {
event.preventDefault();
}
})
.autocomplete({
minLength: 1, // 1 is default
source: function (request, response) {
$.getJSON( apiUrl, {
term: extractLast(request.term)
}, response );
},
search: function () {
// custom minLength, we though we match the 1 below
var term = extractLast(this.value);
if (term.length <= 1) {
return false;
}
},
focus: function () {
// prevent value inserted on focus
return false;
},
select: function (event, ui) {
var terms = termSplit(this.value);
terms.pop(); // remove latest term
terms.push(ui.item.value); // insert
terms.push(''); // empty element, for the join()
this.value = terms.join(' ');
return false;
},
})
.data('ui-autocomplete')._renderItem = function (ul, item) {
return $('<li></li>')
.data('ui-autocomplete-item', item)
.append('<a><img style="display:inline; vertical-align: middle"><span /></a>')
.find('img').attr('src', item.avatar).end()
.find('span').text(item.label).end()
.appendTo(ul);
};
};
/**
* Called when a people tag edit box is shown in the interface
*
* - loads the jQuery UI autocomplete plugin
* - sets event handlers for tag completion
*
*/
SN.Init.PeopletagAutocomplete = function(txtBox) {
var split,
extractLast;
split = function(val) {
return val.split( /\s+/ );
};
extractLast = function(term) {
return split(term).pop();
};
// don't navigate away from the field on tab when selecting an item
txtBox
.on('keydown', function(event) {
if (event.keyCode === $.ui.keyCode.TAB &&
$(this).data('ui-autocomplete').menu.active) {
event.preventDefault();
}
})
.autocomplete({
minLength: 0,
source: function(request, response) {
// delegate back to autocomplete, but extract the last term
response($.ui.autocomplete.filter(
SN.C.PtagACData, extractLast(request.term)));
},
focus: function () {
return false;
},
select: function(event, ui) {
var terms = split(this.value);
terms.pop();
terms.push(ui.item.value);
terms.push('');
this.value = terms.join(' ');
return false;
}
})
.data('ui-autocomplete')
._renderItem = function (ul, item) {
// FIXME: with jQuery UI you cannot have it highlight the match
var _l = '<a class="ptag-ac-line-tag">' + item.tag +
' <em class="privacy_mode">' + item.mode + '</em>' +
'<span class="freq">' + item.freq + '</span></a>';
return $('<li/>')
.addClass('mode-' + item.mode)
.addClass('ptag-ac-line')
.data('item.autocomplete', item)
.append(_l)
.appendTo(ul);
};
};
$(document).on('click', '.peopletags_edit_button', function () {
SN.Init.PeopletagAutocomplete($(this).closest('dd').find('[name="tags"]'));
});