forked from GNUsocial/gnu-social
382 lines
13 KiB
JavaScript
382 lines
13 KiB
JavaScript
/*
|
|
Copyright (c) 2009 Open Lab, http://www.open-lab.com/
|
|
Written by Roberto Bicchierai http://roberto.open-lab.com.
|
|
Permission is hereby granted, free of charge, to any person obtaining
|
|
a copy of this software and associated documentation files (the
|
|
"Software"), to deal in the Software without restriction, including
|
|
without limitation the rights to use, copy, modify, merge, publish,
|
|
distribute, sublicense, and/or sell copies of the Software, and to
|
|
permit persons to whom the Software is furnished to do so, subject to
|
|
the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be
|
|
included in all copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
|
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
|
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
|
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
/**
|
|
* options.tags an object array [{tag:"tag1",freq:1},{tag:"tag2",freq:2}, {tag:"tag3",freq:3},{tag:"tag4",freq:4} ].
|
|
* options.jsonUrl an url returning a json object array in the same format of options.tag. The url will be called with
|
|
* "search" parameter to be used server side to filter results
|
|
* option.autoFilter true/false default=true when active show only matching tags, "false" should be used for server-side filtering
|
|
* option.autoStart true/false default=false when active dropdown will appear entering field, otherwise when typing
|
|
* options.sortBy "frequency"|"tag"|"none" default="tag"
|
|
* options.tagSeparator default="," any separator char as space, comma, semicolumn
|
|
* options.boldify true/false default trrue boldify the matching part of tag in dropdown
|
|
*
|
|
* options.suggestedTags callback an object array like ["sugtag1","sugtag2","sugtag3"]
|
|
* options.suggestedTagsPlaceHolder jquery proxy for suggested tag placeholder. When placeholder is supplied (hence unique), tagField should be applied on a single input
|
|
* (something like $("#myTagFiled").tagField(...) will works fine: $(":text").tagField(...) probably not!)
|
|
*/
|
|
|
|
if (typeof(String.prototype.trim) == "undefined"){
|
|
String.prototype.trim = function () {
|
|
return this.replace(/^\s*(\S*(\s+\S+)*)\s*$/, "$1");
|
|
};
|
|
}
|
|
|
|
|
|
|
|
jQuery.fn.tagInput = function(options) {
|
|
// -------------------------- start default option values --------------------------
|
|
if (!options.tags && !options.jsonUrl) {
|
|
options.tags = [ { tag:"tag1", freq:1 }, { tag:"tag2", freq:2 }, { tag:"tag3", freq:3 }, { tag:"tag4", freq:4 } ];
|
|
}
|
|
|
|
if (typeof(options.tagSeparator) == "undefined")
|
|
options.tagSeparator = ",";
|
|
|
|
if (typeof(options.autoFilter) == "undefined")
|
|
options.autoFilter = true;
|
|
|
|
if (typeof(options.autoStart) == "undefined")
|
|
options.autoStart = false;
|
|
|
|
if (typeof(options.boldify) == "undefined")
|
|
options.boldify = true;
|
|
|
|
if (typeof(options.animate) == "undefined")
|
|
options.animate = true;
|
|
|
|
if (typeof(options.animate) != "function") {
|
|
options._animate = options.animate;
|
|
options.animate = function(show, el, cb) {
|
|
var func = (options._animate) ? (show ? 'fadeIn' : 'fadeOut') : (show ? 'show' : 'hide');
|
|
el[func](cb);
|
|
}
|
|
}
|
|
|
|
if (typeof(options.sortBy) == "undefined")
|
|
options.sortBy = "tag";
|
|
|
|
if (typeof(options.sortBy) == "string") {
|
|
options._sortBy = options.sortBy;
|
|
options.sortBy = function(obj) { return obj[options._sortBy]; }
|
|
}
|
|
|
|
if (typeof(options.formatLine) == "undefined")
|
|
options.formatLine = function (i, obj, search, matches) {
|
|
var tag = obj.tag;
|
|
if (options.boldify && matches) {
|
|
tag = "<b>" + tag.substring(0, search.length) + "</b>" + tag.substring(search.length);
|
|
}
|
|
|
|
var line = $("<div/>");
|
|
line.append("<div class='tagInputLineTag'>" + tag + "</div>");
|
|
if (obj.freq)
|
|
line.append("<div class='tagInputLineFreq'>" + obj.freq + "</div>");
|
|
return line;
|
|
}
|
|
|
|
if (typeof(options.formatValue == "undefined"))
|
|
options.formatValue = function (obj, i) {
|
|
return obj.tag;
|
|
}
|
|
// -------------------------- end default option values --------------------------
|
|
|
|
|
|
this.each(function() {
|
|
|
|
var theInput = $(this);
|
|
var theDiv;
|
|
|
|
theInput.addClass("tagInput");
|
|
theInput.tagOptions=options;
|
|
theInput.attr('autocomplete', 'off');
|
|
|
|
var suggestedTagsPlaceHolder=options.suggestedTagsPlaceHolder;
|
|
//create suggested tags place if the case
|
|
if (options.suggestedTags){
|
|
if (!suggestedTagsPlaceHolder){
|
|
//create a placeholder
|
|
var stl=$("<div class='tagInputSuggestedTags'><span class='label'>suggested tags: </span><span class='tagInputSuggestedTagList'></span></div>");
|
|
suggestedTagsPlaceHolder=stl.find(".tagInputSuggestedTagList");
|
|
theInput.after(stl);
|
|
}
|
|
|
|
//fill with suggestions
|
|
for (var tag in options.suggestedTags) {
|
|
suggestedTagsPlaceHolder.append($("<span class='tag'>" + options.suggestedTags[tag] + "</span>"));
|
|
}
|
|
|
|
// bind click on suggestion tags
|
|
suggestedTagsPlaceHolder.find(".tag").click(function() {
|
|
var element = $(this);
|
|
var val = theInput.val();
|
|
var tag = element.text();
|
|
|
|
//check if already present
|
|
var re = new RegExp(tag + "\\b","g");
|
|
if (containsTag(val, tag)) {
|
|
val = val.replace(re, ""); //remove all the tag
|
|
element.removeClass("tagUsed");
|
|
} else {
|
|
val = val + options.tagSeparator + tag;
|
|
element.addClass("tagUsed");
|
|
}
|
|
theInput.val(refurbishTags(val));
|
|
// selectSuggTagFromInput();
|
|
|
|
});
|
|
|
|
}
|
|
|
|
|
|
// -------------------------- INPUT FOCUS --------------------------
|
|
var tagInputFocus = function () {
|
|
theDiv = $("#__tagInputDiv");
|
|
// check if the result box exists
|
|
if (theDiv.size() <= 0) {
|
|
//create the div
|
|
theDiv = $("<div id='__tagInputDiv' class='tagInputDiv' style='width:" + theInput.get(0).clientWidth + ";display:none; '></div>");
|
|
theInput.after(theDiv);
|
|
theDiv.css({left:theInput.position().left});
|
|
}
|
|
if (options.autoStart)
|
|
tagInputRefreshDiv(theInput, theDiv);
|
|
};
|
|
|
|
|
|
// -------------------------- INPUT BLUR --------------------------
|
|
var tagInputBlur = function () {
|
|
// reformat string
|
|
theDiv = $("#__tagInputDiv");
|
|
theInput.val(refurbishTags(theInput.val()));
|
|
|
|
options.animate(0, theDiv, function() {
|
|
theDiv.remove();
|
|
});
|
|
};
|
|
|
|
|
|
// -------------------------- INPUT KEYBOARD --------------------------
|
|
var tagInputKey = function (e) {
|
|
var rows = theDiv.find("div.tagInputLine");
|
|
var rowNum = rows.index(theDiv.find("div.tagInputSel"));
|
|
|
|
var ret = true;
|
|
switch (e.which) {
|
|
case 38: //up arrow
|
|
rowNum = (rowNum < 1 ? 0 : rowNum - 1 );
|
|
tagInputHLSCR(rows.eq(rowNum), true);
|
|
break;
|
|
|
|
case 40: //down arrow
|
|
rowNum = (rowNum < rows.size() - 1 ? rowNum + 1 : rows.size() - 1 );
|
|
tagInputHLSCR(rows.eq(rowNum), false);
|
|
break;
|
|
|
|
case 9: //tab
|
|
case 13: //enter
|
|
if (theDiv.is(":visible")){
|
|
var theRow = rows.eq(rowNum);
|
|
tagInputClickRow(theRow);
|
|
ret = false;
|
|
}
|
|
break;
|
|
|
|
case 27: //esc
|
|
options.animate(0, theDiv);
|
|
break;
|
|
|
|
default:
|
|
$(document).stopTime("tagInputRefresh");
|
|
$(document).oneTime(400, "tagInputRefresh", function() {
|
|
tagInputRefreshDiv();
|
|
});
|
|
break;
|
|
}
|
|
return ret;
|
|
};
|
|
|
|
|
|
// -------------------------- TAG DIV HIGHLIGHT AND SCROLL --------------------------
|
|
var tagInputHLSCR = function(theRowJQ, isUp) {
|
|
if (theRowJQ.size() > 0) {
|
|
var div = theDiv.get(0);
|
|
var theRow = theRowJQ.get(0);
|
|
if (isUp) {
|
|
if (theDiv.scrollTop() > theRow.offsetTop) {
|
|
theDiv.scrollTop(theRow.offsetTop);
|
|
}
|
|
} else {
|
|
if ((theRow.offsetTop + theRow.offsetHeight) > (div.scrollTop + div.offsetHeight)) {
|
|
div.scrollTop = theRow.offsetTop + theRow.offsetHeight - div.offsetHeight;
|
|
}
|
|
}
|
|
theDiv.find("div.tagInputSel").removeClass("tagInputSel");
|
|
theRowJQ.addClass("tagInputSel");
|
|
}
|
|
};
|
|
|
|
|
|
// -------------------------- TAG LINE CLICK --------------------------
|
|
var tagInputClickRow = function(theRow) {
|
|
|
|
var lastComma = theInput.val().lastIndexOf(options.tagSeparator);
|
|
var sep= lastComma<=0? (""):(options.tagSeparator+ (options.tagSeparator==" "?"":" "));
|
|
var newVal = (theInput.val().substr(0, lastComma) + sep + theRow.attr('id').replace('val-','')).trim();
|
|
theInput.val(newVal);
|
|
theDiv.hide();
|
|
$().oneTime(200, function() {
|
|
theInput.focus();
|
|
});
|
|
};
|
|
|
|
|
|
// -------------------------- REFILL TAG BOX --------------------------
|
|
var tagInputRefreshDiv = function () {
|
|
|
|
var lastComma = theInput.val().lastIndexOf(options.tagSeparator);
|
|
var search = theInput.val().substr(lastComma + 1).trim();
|
|
|
|
|
|
// -------------------------- FILLING THE DIV --------------------------
|
|
var fillingCallbak = function(tags) {
|
|
tags = tags.sort(function (a, b) {
|
|
if (options.sortBy(a) < options.sortBy(b))
|
|
return 1;
|
|
if (options.sortBy(a) > options.sortBy(b))
|
|
return -1;
|
|
return 0;
|
|
});
|
|
|
|
for (var i in tags) {
|
|
tags[i]._val = options.formatValue(tags[i], i);
|
|
var el = tags[i];
|
|
var matches = el._val.toLocaleLowerCase().indexOf(search.toLocaleLowerCase()) == 0;
|
|
if (!options.autoFilter || matches) {
|
|
var line = $(options.formatLine(i, el, search, matches));
|
|
if (!line.is('.tagInputLine'))
|
|
line = $("<div class='tagInputLine'></div>").append(line);
|
|
line.attr('id', 'val-' + el._val);
|
|
theDiv.append(line);
|
|
}
|
|
}
|
|
if (theDiv.html()!=""){
|
|
options.animate(true, theDiv);
|
|
}
|
|
|
|
theDiv.find("div:first").addClass("tagInputSel");
|
|
theDiv.find("div.tagInputLine").bind("click", function() {
|
|
tagInputClickRow($(this));
|
|
});
|
|
};
|
|
|
|
|
|
if (search != "" || options.autoStart) {
|
|
theDiv.html("");
|
|
|
|
if (options.tags)
|
|
fillingCallbak(options.tags);
|
|
else{
|
|
var data = {search:search};
|
|
$.getJSON(options.jsonUrl, data, fillingCallbak );
|
|
}
|
|
} else {
|
|
options.animate(false, theDiv);
|
|
}
|
|
};
|
|
|
|
// -------------------------- CLEAN THE TAG LIST FROM EXTRA SPACES, DOUBLE COMMAS ETC. --------------------------
|
|
var refurbishTags = function (tagString) {
|
|
var splitted = tagString.split(options.tagSeparator);
|
|
var res = "";
|
|
var first = true;
|
|
for (var i = 0; i < splitted.length; i++) {
|
|
if (splitted[i].trim() != "") {
|
|
if (first) {
|
|
first = false;
|
|
res = res + splitted[i].trim();
|
|
} else {
|
|
res = res + options.tagSeparator+ (options.tagSeparator==" "?"":" ") + splitted[i].trim();
|
|
}
|
|
}
|
|
}
|
|
return( res);
|
|
};
|
|
|
|
// -------------------------- TEST IF TAG IS PRESENT --------------------------
|
|
var containsTag=function (tagString,tag){
|
|
var splitted = tagString.split(options.tagSeparator);
|
|
var res="";
|
|
var found=false;
|
|
tag=tag.trim();
|
|
for(i = 0; i < splitted.length; i++){
|
|
var testTag=splitted[i].trim();
|
|
if (testTag==tag){
|
|
found=true;
|
|
break;
|
|
}
|
|
}
|
|
return found;
|
|
};
|
|
|
|
|
|
// -------------------------- SELECT TAGS BASING ON USER INPUT --------------------------
|
|
var delayedSelectTagFromInput= function(){
|
|
var element = $(this);
|
|
$().stopTime("suggTagRefresh");
|
|
$().oneTime(200, "suggTagRefresh", function() {
|
|
selectSuggTagFromInput();
|
|
});
|
|
|
|
};
|
|
|
|
var selectSuggTagFromInput = function () {
|
|
var val = theInput.val();
|
|
suggestedTagsPlaceHolder.find(".tag").each(function(){
|
|
var el = $(this);
|
|
var tag=el.text();
|
|
|
|
//check if already present
|
|
if (containsTag(val,tag)) {
|
|
el.addClass("tagUsed");
|
|
} else {
|
|
el.removeClass("tagUsed");
|
|
}
|
|
});
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
// -------------------------- INPUT BINDINGS --------------------------
|
|
$(this).bind("focus", tagInputFocus).bind("blur", tagInputBlur).bind("keydown", tagInputKey);
|
|
if (options.suggestedTags)
|
|
$(this).bind("keyup",delayedSelectTagFromInput) ;
|
|
|
|
|
|
});
|
|
return this;
|
|
};
|
|
|
|
|