1 files changed, 105 insertions, 0 deletions
diff --git a/statstat.js b/statstat.js
new file mode 100644
index 0000000..c768613
--- /dev/null
+++ b/statstat.js
@@ -0,0 +1,105 @@
+// ==VimperatorPlugin==
+// @name           Stat Stat
+// @description    Show information on statusline.
+// @description-ja $B%9%F!<%?%9%i%$%s$K>pJs$rI=<((B
+// @license        Creative Commons Attribution-Share Alike 3.0 Unported
+// @version        1.0
+// @author         anekos (anekos@snca.net)
+// @minVersion     2.0pre
+// @maxVersion     2.0pre
+// ==/VimperatorPlugin==
+//
+// Usage:
+//    :statstat <JS_EXPRESSION>
+//
+// Usage-ja:
+//    :statstat <JS_EXPRESSION>
+//
+// Links:
+//    http://d.hatena.ne.jp/nokturnalmortum/20081202/1228218135
+// License:
+//    http://creativecommons.org/licenses/by-sa/3.0/
+
+
+(function () {
+
+  let stat = liberator.plugins.statstat;
+  let defaultExpression = liberator.globalVariables.statstat_expression;
+  let defaultInterval = liberator.globalVariables.statstat_interval;
+  let autorun = s2b(liberator.globalVariables.statstat_autorun, false);
+
+  function s2b (s, d) (!/^(\d+|false)$/i.test(s)|parseInt(s)|!!d*2)&1<<!s;
+  function e2a (e) function () liberator.eval(e);
+
+  // Initialize
+  if (stat) {
+    let e = stat.panel;
+    if (e && e.parentNode)
+      e.parentNode.removeChild(e);
+    if (stat.handle) {
+      clearInterval(stat.handle);
+      stat.handle = null;
+    }
+  }
+
+  {
+    let panel = this.panel = document.createElement('statusbarpanel');
+    panel.setAttribute('id', 'ank-stat-stat-panel');
+    let label = document.createElement('label');
+    label.setAttribute('value', '-----');
+    panel.appendChild(label);
+    let stbar = document.getElementById('status-bar');
+    stbar.insertBefore(panel, document.getElementById('liberator-statusline').nextSibling);
+
+    stat = liberator.plugins.statstat = {
+      panel: panel,
+      label: label,
+      interval: 1000,
+      set text (value) this.label.setAttribute('value', '<- ' + value + ' ->'),
+      action: function () new Date().toLocaleString(),
+      execute: function () (this.text = this.action.apply(this, arguments)),
+      run: function () {
+        let self = this;
+        Array.slice(arguments).forEach(function (v) {
+          if (v instanceof Function)
+            self.action = v;
+          else if (typeof v == 'string')
+            self.action = function () liberator.eval(v);
+          else if (typeof v == 'number')
+            self.interval = v;
+        });
+        this.handle = setInterval(function () self.execute(), this.interval);
+      },
+      handle: null
+    };
+  }
+
+  // set default
+  if (defaultExpression)
+    stat.action = e2a(defaultExpression);
+  if (defaultInterval)
+    stat.interval = parseInt(defaultInterval);
+  if (autorun)
+    stat.run();
+
+  commands.addUserCommand(
+    ['statstat'],
+    'Run statstat',
+    function (arg, bang, count) {
+      if (stat.handle)
+        clearInterval(stat.handle);
+      let interval = count ? count * 100 : 100;
+      stat.action = e2a(arg.string);
+      stat.handle = setInterval(function () stat.execute(), interval);
+    },
+    {
+      completer: function (context) completion.javascript(context),
+      argCount: '*',
+      count: true
+    },
+    true
+  );
+
+})();
+
+// vim:sw=2 ts=2 et si fdm=marker: