friendica-github/js/fk.autocomplete.js
2011-11-04 01:52:03 -07:00

182 lines
4.1 KiB
JavaScript

/**
* Friendika people autocomplete
*
* require jQuery, jquery.textareas
*/
function ACPopup(elm,backend_url){
this.idsel=-1;
this.element = elm;
this.searchText="";
this.ready=true;
this.kp_timer = false;
this.url = backend_url;
if(typeof elm.editorId == "undefined") {
style = $(elm).offset();
w = $(elm).width();
h = $(elm).height();
}
else {
style = $(elm.container).offset();
w = elm.container.offsetWidth;
h = elm.container.offsetHeight;
}
style.top=style.top+h;
style.width = w;
style.position = 'absolute';
/* style['max-height'] = '150px';
style.border = '1px solid red';
style.background = '#cccccc';
style.overflow = 'auto';
style['z-index'] = '100000';
*/
style.display = 'none';
this.cont = $("<div class='acpopup'></div>");
this.cont.css(style);
$("body").append(this.cont);
}
ACPopup.prototype.close = function(){
$(this.cont).remove();
this.ready=false;
}
ACPopup.prototype.search = function(text){
var that = this;
this.searchText=text;
if (this.kp_timer) clearTimeout(this.kp_timer);
this.kp_timer = setTimeout( function(){that._search();}, 500);
}
ACPopup.prototype._search = function(){
console.log("_search");
var that = this;
var postdata = {
start:0,
count:100,
search:this.searchText,
type:'c',
}
$.ajax({
type:'POST',
url: this.url,
data: postdata,
dataType: 'json',
success:function(data){
that.cont.html("");
if (data.tot>0){
that.cont.show();
$(data.items).each(function(){
html = "<img src='{0}' height='16px' width='16px'>{1} ({2})".format(this.photo, this.name, this.nick)
that.add(html, this.nick + '+' + this.id + ' - ' + this.link);
});
} else {
that.cont.hide();
}
}
});
}
ACPopup.prototype.add = function(label, value){
var that=this;
var elm = $("<div class='acpopupitem' title='"+value+"'>"+label+"</div>");
elm.click(function(e){
t = $(this).attr('title').replace(new RegExp(' \- .*'),'');
if(typeof(that.element.container) === "undefined") {
el=$(that.element);
sel = el.getSelection();
sel.start = sel.start- that.searchText.length;
el.setSelection(sel.start,sel.end).replaceSelectedText(t+' ').collapseSelection(false);
that.close();
}
else {
txt = tinyMCE.activeEditor.getContent();
newtxt = txt.replace(that.searchText,t+' ');
tinyMCE.activeEditor.setContent(newtxt);
tinyMCE.activeEditor.focus();
that.close();
}
});
$(this.cont).append(elm);
}
ACPopup.prototype.onkey = function(event){
if (event.keyCode == '13' && this.idsel>-1) {
this.cont.children()[this.idsel].click();
event.preventDefault();
}
if (event.keyCode == '38') { //cursor up
cmax = this.cont.children().size()-1;
this.idsel--;
if (this.idsel<0) this.idsel=cmax;
event.preventDefault();
}
if (event.keyCode == '40') { //cursor down
cmax = this.cont.children().size()-1;
this.idsel++;
if (this.idsel>cmax) this.idsel=0;
event.preventDefault();
}
if (event.keyCode == '38' || event.keyCode == '40' ) {
this.cont.children().removeClass('selected');
$(this.cont.children()[this.idsel]).addClass('selected');
}
if (event.keyCode == '27') { //ESC
this.close();
}
}
function ContactAutocomplete(element,backend_url){
this.pattern=/@([^ \n]+)$/;
this.popup=null;
var that = this;
$(element).unbind('keydown');
$(element).unbind('keyup');
$(element).keydown(function(event){
if (that.popup!==null) that.popup.onkey(event);
});
$(element).keyup(function(event){
cpos = $(this).getSelection();
if (cpos.start==cpos.end){
match = $(this).val().substring(0,cpos.start).match(that.pattern);
if (match!==null){
if (that.popup===null){
that.popup = new ACPopup(this, backend_url);
}
if (that.popup.ready && match[1]!==that.popup.searchText) that.popup.search(match[1]);
if (!that.popup.ready) that.popup=null;
} else {
if (that.popup!==null) {that.popup.close(); that.popup=null;}
}
}
});
}
/**
* jQuery plugin 'contact_autocomplete'
*/
(function( $ ){
$.fn.contact_autocomplete = function(backend_url) {
this.each(function(){
new ContactAutocomplete(this, backend_url);
});
};
})( jQuery );