From 6ceae6b02d89bfebbb3bec13ce9525014cbdd2a7 Mon Sep 17 00:00:00 2001
From: Paul Duncan <pabs@pablotron.org>
Date: Sat, 2 Apr 2016 02:06:31 -0400
Subject: add search-field and searching to users panel

---
 data/stuff/js/search-field.js | 79 +++++++++++++++++++++++++++++++++++++++++++
 data/stuff/js/util.js         | 15 ++++++++
 2 files changed, 94 insertions(+)
 create mode 100644 data/stuff/js/search-field.js

(limited to 'data/stuff/js')

diff --git a/data/stuff/js/search-field.js b/data/stuff/js/search-field.js
new file mode 100644
index 0000000..42bec10
--- /dev/null
+++ b/data/stuff/js/search-field.js
@@ -0,0 +1,79 @@
+jQuery(function($) {
+  "use strict";
+
+  function clear_delay(el) {
+    var ival = el.data('search-interval');
+
+    if (ival) {
+      // clear interval
+      clearInterval(ival);
+      el.data('search-interval', null);
+    }
+  }
+
+  function trigger_search(el, q) {
+    if (q == el.data('q'))
+      return;
+
+    // cache search
+    el.data('q', q);
+
+    // trigger search
+    el.trigger({
+      type: "search-update",
+      query: "",
+    });
+  }
+
+  $('.btn.search-toggle').click(function() {
+    var btn = $(this),
+        bar = btn.parents('.panel').find('.panel-heading.search-toggle'),
+        field = bar.find('input');
+
+    // toggle button highlight
+    btn.toggleClass('btn-primary btn-default')
+    var active = btn.hasClass('btn-primary');
+
+    // clear field
+    field.val('');
+
+    // toggle bar visibility
+    bar.toggleClass('hidden', !active);
+
+    if (active) {
+      setTimeout(function() {
+        // focus text field
+        field.focus();
+      }, 10);
+    } else {
+      // trigger search
+      trigger_search(field, '');
+    }
+  });
+
+  $('.panel-heading.search-toggle input').keydown(function(ev) {
+    var me = $(this),
+        trigger = me.data('search-trigger') || 'delay';
+
+    if (trigger == 'delay') {
+      clear_delay(me);
+
+      setTimeout(function() {
+        clear_delay(me);
+        trigger_search(me, me.val());
+      }, me.data('search-delay') || 100);
+    } else if (trigger == 'enter') {
+      if (ev.which == 13) {
+        setTimeout(function() {
+          trigger_search(me, me.val());
+        }, 10);
+
+        // stop event
+        return false;
+      }
+    } else {
+      // unknown trigger type
+      throw new Error('unknown search trigger: ' + trigger);
+    }
+  });
+});
diff --git a/data/stuff/js/util.js b/data/stuff/js/util.js
index c021499..ed048ec 100644
--- a/data/stuff/js/util.js
+++ b/data/stuff/js/util.js
@@ -1,3 +1,18 @@
+$.fn.reduce = (function() {
+  if (Array.prototype.reduce) {
+    return Array.prototype.reduce;
+  } else {
+    return function(a, cb, r) {
+      a = [].concat(a);
+
+      for (var i = 0, l = a.length; i < l; i++)
+        r = cb(r, a[i]);
+
+      return r;
+    };
+  }
+})();
+
 jQuery(function($) {
   "use strict";
 
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