From a338547eafeed14eae74befbe706eadcf6a9fb4e Mon Sep 17 00:00:00 2001
From: Jochen Topf <jochen@topf.org>
Date: Tue, 12 May 2015 18:20:38 +0200
Subject: Add experimental new home page.

This could replace the current home page at some point.
---
 web/viewsjs/test-index.js.erb | 53 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 web/viewsjs/test-index.js.erb

(limited to 'web/viewsjs')

diff --git a/web/viewsjs/test-index.js.erb b/web/viewsjs/test-index.js.erb
new file mode 100644
index 0000000..8920c3c
--- /dev/null
+++ b/web/viewsjs/test-index.js.erb
@@ -0,0 +1,53 @@
+<%
+# This is the maximum number of keys/tags/relations in the lists. Javascript
+# code will only show as many of them as will fit in the window.
+tagcloud_number_of_keys = 100
+tagcloud_number_of_tags = 100
+tagcloud_number_of_rels = 100
+keys = @db.select("SELECT key FROM popular_keys ORDER BY scale1 DESC LIMIT #{ tagcloud_number_of_keys }").execute()
+tags = @db.select("SELECT skey, svalue FROM top_tags WHERE skey NOT IN ('source', 'source_ref', 'attribution') ORDER BY count_all DESC LIMIT #{ tagcloud_number_of_tags }").execute()
+rels = @db.select("SELECT rtype FROM db.relation_types WHERE count >= 1000 ORDER BY count DESC LIMIT #{ tagcloud_number_of_rels }").execute()
+%>
+
+var data = {
+    'keys': <%= keys.map{ |tag| tag['key'] }.to_json %>,
+    'tags': <%= tags.map{ |entry| [ entry['skey'], entry['svalue'] ] }.to_json %>,
+    'rels': <%= rels.map{ |row| row['rtype'] }.to_json %>
+};
+
+up = function() {};
+
+function create_list(element, max_height, data, decrease, func) {
+    var i = 0,
+        size = 160;
+
+    while (element.innerHeight() < max_height && data[i]) {
+        element.append(func(data[i], size));
+        element.append('<span style="font-size: ' + size + '%;"> &bull; </span>');
+        i++;
+        size -= decrease;
+    }
+
+    element.append('...');
+}
+
+function resize_home() {
+
+    create_list(jQuery('#key_list').empty(), 120, data.keys, 1, function(d, size) {
+        return link_to_key(d, { 'style': 'font-size: ' + size + "%;" });
+    });
+
+    create_list(jQuery('#tag_list').empty(), 120, data.tags, 2, function(d, size) {
+        return '<span style="font-size: ' + size + '%;"> ' + link_to_tag(d[0], d[1]) + ' </span>'
+    });
+
+    create_list(jQuery('#relation_list').empty(), 120, data.rels, 5, function(d, size) {
+        return link_to_rtype(d, { 'style': 'font-size: ' + size + "%;" });
+    });
+
+}
+
+function page_init() {
+    jQuery(window).resize(resize_home);
+    resize_home();
+}
-- 
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