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little cleanup of the filter code. lots more to do. re #46

This commit is contained in:
Sébastien Lucas 2013-07-01 22:26:32 +02:00
parent dc30facf3e
commit 08445d0479
1 changed files with 55 additions and 47 deletions
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102
util.js
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@ -95,21 +95,10 @@ function htmlEscape(str) {
.replace(/>/g, '>');
}
function navigateTo (url) {
before = new Date ();
var jsonurl = url.replace ("index", "getJSON");
var cachedData = cache.get (jsonurl);
if (cachedData) {
history.pushState(jsonurl, "", url);
updatePage (cachedData);
} else {
$.getJSON(jsonurl, function(data) {
history.pushState(jsonurl, "", url);
cache.put (jsonurl, data);
updatePage (data);
});
}
}
/************************************************
* All functions needed to filter the book list by tags
************************************************
*/
function getTagList () {
var tagList = {};
@ -149,7 +138,13 @@ function doFilter () {
}
if (toBeFiltered) $(this).parents (".books").addClass ("filtered");
});
updateFilters ();
}
function updateFilters () {
var tagList = getTagList ();
// If there is already some filters then let's prepare to update the list
$("#filter ul li").each (function () {
var text = $(this).text ();
if (isDefined (tagList [text]) || $(this).attr ('class')) {
@ -158,6 +153,8 @@ function doFilter () {
tagList [text] = -1;
}
});
// Update the filter -1 to remove, 1 to add, 0 already there
for (var tag in tagList) {
var tagValue = tagList [tag];
if (tagValue == -1) {
@ -167,11 +164,52 @@ function doFilter () {
$("#filter ul").append ("<li>" + tag + "</li>");
}
}
// Sort the list alphabetically
$('#filter ul li').sortElements(function(a, b){
return $(a).text() > $(b).text() ? 1 : -1;
});
}
function handleFilterEvents () {
$("#filter ul").on ("click", "li", function(){
var filter = $(this).text ();
switch ($(this).attr("class")) {
case "filter-include" :
$(this).attr("class", "filter-exclude");
filterList [filter] = false;
break;
case "filter-exclude" :
$(this).removeClass ("filter-exclude");;
delete filterList [filter];;
break;
default :
$(this).attr("class", "filter-include");
filterList [filter] = true;
break;
}
doFilter ();
});
}
function navigateTo (url) {
before = new Date ();
var jsonurl = url.replace ("index", "getJSON");
var cachedData = cache.get (jsonurl);
if (cachedData) {
history.pushState(jsonurl, "", url);
updatePage (cachedData);
} else {
$.getJSON(jsonurl, function(data) {
history.pushState(jsonurl, "", url);
cache.put (jsonurl, data);
updatePage (data);
});
}
}
function updatePage (data) {
var result;
filterList = {};
@ -196,38 +234,8 @@ function updatePage (data) {
if (currentData.containsBook == 1) {
$("#sortForm").show ();
$("#filter ul").empty ();
$(".se").each (function(){
var taglist = $(this).text();
var tagarray = taglist.split (",")
for (i in tagarray) {
var tag = tagarray [i].replace(/^\s+/g,'').replace(/\s+$/g,'');
if ( $('#filter ul li:contains("' + tag + '")').length == 0 ) {
$("#filter ul").append ("<li>" + tag + "</li>");
}
}
});
$('#filter ul li').sortElements(function(a, b){
return $(a).text() > $(b).text() ? 1 : -1;
});
$("li").click(function(){
var filter = $(this).text ();
switch ($(this).attr("class")) {
case "filter-include" :
$(this).attr("class", "filter-exclude");
filterList [filter] = false;
break;
case "filter-exclude" :
$(this).removeClass ("filter-exclude");;
delete filterList [filter];;
break;
default :
$(this).attr("class", "filter-include");
filterList [filter] = true;
break;
}
doFilter ();
});
updateFilters ();
handleFilterEvents ()
} else {
$("#sortForm").hide ();
}