1 files changed, 135 insertions, 0 deletions
diff --git a/_includes/scripts/archieve.js b/_includes/scripts/archieve.js
new file mode 100644
index 0000000..96549b5
--- /dev/null
+++ b/_includes/scripts/archieve.js
@@ -0,0 +1,135 @@
+(function() {
+  var SOURCES = window.TEXT_VARIABLES.sources;
+  function queryString() {
+    // This function is anonymous, is executed immediately and
+    // the return value is assigned to QueryString!
+    var i = 0, queryObj = {}, pair;
+    var queryStr = window.location.search.substring(1);
+    var queryArr = queryStr.split('&');
+    for (i = 0; i < queryArr.length; i++) {
+      pair = queryArr[i].split('=');
+      // If first entry with this name
+      if (typeof queryObj[pair[0]] === 'undefined') {
+        queryObj[pair[0]] = pair[1];
+        // If second entry with this name
+      } else if (typeof queryObj[pair[0]] === 'string') {
+        queryObj[pair[0]] = [queryObj[pair[0]], pair[1]];
+        // If third or later entry with this name
+      } else {
+        queryObj[pair[0]].push(pair[1]);
+      }
+    }
+    return queryObj;
+  }
+
+  var setUrlQuery = (function() {
+    var baseUrl =  window.location.href.split('?')[0];
+    return function(query) {
+      if (typeof query === 'string') {
+        window.history.replaceState(null, '', baseUrl + query);
+      } else {
+        window.history.replaceState(null, '', baseUrl);
+      }
+    };
+  })();
+
+  window.Lazyload.js(SOURCES.jquery, function() {
+    var $tags = $('.js-tags');
+    var $articleTags = $tags.find('button');
+    var $tagShowAll = $tags.find('.tag-button--all');
+    var $result = $('.js-result');
+    var $sections = $result.find('section');
+    var sectionArticles = [];
+    var $lastFocusButton = null;
+    var sectionTopArticleIndex = [];
+    var hasInit = false;
+
+    $sections.each(function() {
+      sectionArticles.push($(this).find('.item'));
+    });
+
+    function init() {
+      var i, index = 0;
+      for (i = 0; i < $sections.length; i++) {
+        sectionTopArticleIndex.push(index);
+        index += $sections.eq(i).find('.item').length;
+      }
+      sectionTopArticleIndex.push(index);
+    }
+
+    function searchButtonsByTag(_tag/*raw tag*/) {
+      if (!_tag) {
+        return $tagShowAll;
+      }
+      var _buttons = $articleTags.filter('[data-encode="' + _tag + '"]');
+      if (_buttons.length === 0) {
+        return $tagShowAll;
+      }
+      return _buttons;
+    }
+    function buttonFocus(target) {
+      if (target) {
+        target.addClass('focus');
+        $lastFocusButton && !$lastFocusButton.is(target) && $lastFocusButton.removeClass('focus');
+        $lastFocusButton = target;
+      }
+    }
+
+    function tagSelect (tag/*raw tag*/, target) {
+      var result = {}, $articles;
+      var i, j, k, _tag;
+
+      for (i = 0; i < sectionArticles.length; i++) {
+        $articles = sectionArticles[i];
+        for (j = 0; j < $articles.length; j++) {
+          if (tag === '' || tag === undefined) {
+            result[i] || (result[i] = {});
+            result[i][j] = true;
+          } else {
+            var tags = $articles.eq(j).data('tags').split(',');
+            for (k = 0; k < tags.length; k++) {
+              if (tags[k] === tag) {
+                result[i] || (result[i] = {});
+                result[i][j] = true; break;
+              }
+            }
+          }
+        }
+      }
+
+      for (i = 0; i < sectionArticles.length; i++) {
+        result[i] && $sections.eq(i).removeClass('d-none');
+        result[i] || $sections.eq(i).addClass('d-none');
+        for (j = 0; j < sectionArticles[i].length; j++) {
+          if (result[i] && result[i][j]) {
+            sectionArticles[i].eq(j).removeClass('d-none');
+          } else {
+            sectionArticles[i].eq(j).addClass('d-none');
+          }
+        }
+      }
+
+      hasInit || ($result.removeClass('d-none'), hasInit = true);
+
+
+      if (target) {
+        buttonFocus(target);
+        _tag = target.attr('data-encode');
+        if (_tag === '' || typeof _tag !== 'string') {
+          setUrlQuery();
+        } else {
+          setUrlQuery('?tag=' + _tag);
+        }
+      } else {
+        buttonFocus(searchButtonsByTag(tag));
+      }
+    }
+
+    var query = queryString(), _tag = query.tag;
+    init(); tagSelect(_tag);
+    $tags.on('click', 'button', function() {
+      tagSelect($(this).data('encode'), $(this));
+    });
+
+  });
+})();