friendica/js/autocomplete.js

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JavaScript
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2016-01-19 18:11:40 +01:00
/**
* Red people autocomplete
*
* require jQuery, jquery.textcomplete
*/
function contact_search(term, callback, backend_url, type) {
// Check if there is a cached result that contains the same information we would get with a full server-side search
var bt = backend_url+type;
if(!(bt in contact_search.cache)) contact_search.cache[bt] = {};
var lterm = term.toLowerCase(); // Ignore case
for(var t in contact_search.cache[bt]) {
if(lterm.indexOf(t) >= 0) { // A more broad search has been performed already, so use those results
// Filter old results locally
var matching = contact_search.cache[bt][t].filter(function (x) { return (x.name.toLowerCase().indexOf(lterm) >= 0 || (typeof x.nick !== 'undefined' && x.nick.toLowerCase().indexOf(lterm) >= 0)); }); // Need to check that nick exists because groups don't have one
matching.unshift({taggable:false, text: term, replace: term});
setTimeout(function() { callback(matching); } , 1); // Use "pseudo-thread" to avoid some problems
return;
}
}
var postdata = {
start:0,
count:100,
search:term,
type:type,
};
$.ajax({
type:'POST',
url: backend_url,
data: postdata,
dataType: 'json',
success: function(data){
// Cache results if we got them all (more information would not improve results)
// data.count represents the maximum number of items
if(data.items.length -1 < data.count) {
contact_search.cache[bt][lterm] = data.items;
}
var items = data.items.slice(0);
items.unshift({taggable:false, text: term, replace: term});
callback(items);
},
}).fail(function () {callback([]); }); // Callback must be invoked even if something went wrong.
}
contact_search.cache = {};
function contact_format(item) {
// Show contact information if not explicitly told to show something else
if(typeof item.text === 'undefined') {
var desc = ((item.label) ? item.nick + ' ' + item.label : item.nick);
if(typeof desc === 'undefined') desc = '';
if(desc) desc = ' ('+desc+')';
return "<div class='{0}' title='{4}'><img class='dropdown-menu-img-sm' src='{1}'><span class='contactname'>{2}</span><span class='dropdown-sub-text'>{3}</span><div class='clear'></div></div>".format(item.taggable, item.photo, item.name, desc, item.link);
}
else
return "<div>" + item.text + "</div>";
}
function editor_replace(item) {
if(typeof item.replace !== 'undefined') {
return '$1$2' + item.replace;
}
// $2 ensures that prefix (@,@!) is preserved
var id = item.id;
// 16 chars of hash should be enough. Full hash could be used if it can be done in a visually appealing way.
// 16 chars is also the minimum length in the backend (otherwise it's interpreted as a local id).
if(id.length > 16)
id = item.id.substring(0,16);
return '$1$2' + item.nick.replace(' ', '') + '+' + id + ' ';
}
function basic_replace(item) {
if(typeof item.replace !== 'undefined')
return '$1'+item.replace;
return '$1'+item.name+' ';
}
function trim_replace(item) {
if(typeof item.replace !== 'undefined')
return '$1'+item.replace;
return '$1'+item.name;
}
function submit_form(e) {
$(e).parents('form').submit();
}
/**
* jQuery plugin 'editor_autocomplete'
*/
(function( $ ) {
$.fn.editor_autocomplete = function(backend_url) {
// Autocomplete contacts
contacts = {
match: /(^|\s)(@\!*)([^ \n]+)$/,
index: 3,
search: function(term, callback) { contact_search(term, callback, backend_url, 'c'); },
replace: editor_replace,
template: contact_format,
};
smilies = {
match: /(^|\s)(:[a-z]{2,})$/,
index: 2,
search: function(term, callback) { $.getJSON('/smilies/json').done(function(data) { callback($.map(data, function(entry) { return entry.text.indexOf(term) === 0 ? entry : null; })); }); },
template: function(item) { return item.icon + item.text; },
replace: function(item) { return "$1" + item.text + ' '; },
};
this.attr('autocomplete','off');
this.textcomplete([contacts,smilies], {className:'acpopup', zIndex:1020});
};
})( jQuery );
/**
* jQuery plugin 'search_autocomplete'
*/
(function( $ ) {
$.fn.search_autocomplete = function(backend_url) {
// Autocomplete contacts
contacts = {
match: /(^@)([^\n]{2,})$/,
index: 2,
search: function(term, callback) { contact_search(term, callback, backend_url, 'x'); },
replace: basic_replace,
template: contact_format,
};
this.attr('autocomplete', 'off');
var a = this.textcomplete([contacts], {className:'acpopup', maxCount:100, zIndex: 1020, appendTo:'nav'});
a.on('textComplete:select', function(e, value, strategy) { submit_form(this); });
};
})( jQuery );
(function( $ ) {
$.fn.contact_autocomplete = function(backend_url, typ, autosubmit, onselect) {
if(typeof typ === 'undefined') typ = '';
if(typeof autosubmit === 'undefined') autosubmit = false;
// Autocomplete contacts
contacts = {
match: /(^)([^\n]+)$/,
index: 2,
search: function(term, callback) { contact_search(term, callback, backend_url, typ); },
replace: basic_replace,
template: contact_format,
};
this.attr('autocomplete','off');
var a = this.textcomplete([contacts], {className:'acpopup', zIndex:1020});
if(autosubmit)
a.on('textComplete:select', function(e,value,strategy) { submit_form(this); });
if(typeof onselect !== 'undefined')
a.on('textComplete:select', function(e, value, strategy) { onselect(value); });
};
})( jQuery );
(function( $ ) {
$.fn.name_autocomplete = function(backend_url, typ, autosubmit, onselect) {
if(typeof typ === 'undefined') typ = '';
if(typeof autosubmit === 'undefined') autosubmit = false;
// Autocomplete contacts
names = {
match: /(^)([^\n]+)$/,
index: 2,
search: function(term, callback) { contact_search(term, callback, backend_url, typ); },
replace: trim_replace,
template: contact_format,
};
this.attr('autocomplete','off');
var a = this.textcomplete([names], {className:'acpopup', zIndex:1020});
if(autosubmit)
a.on('textComplete:select', function(e,value,strategy) { submit_form(this); });
if(typeof onselect !== 'undefined')
a.on('textComplete:select', function(e, value, strategy) { onselect(value); });
};
})( jQuery );