1 files changed, 113 insertions, 0 deletions
diff --git a/src/third_party/wiredtiger/tools/wtstats/template/models/app.js b/src/third_party/wiredtiger/tools/wtstats/template/models/app.js
new file mode 100644
index 00000000000..27e9bfde0f6
--- /dev/null
+++ b/src/third_party/wiredtiger/tools/wtstats/template/models/app.js
@@ -0,0 +1,113 @@
+var AmpersandState = require('ampersand-state'),
+    Chart = require('./chart'),
+    StatCollection = require('./stat-collection'),
+    Sidebar = require('./sidebar'),
+    _ = require('lodash'),
+    debug = require('debug')('model:app');
+
+
+var App = module.exports = AmpersandState.extend({
+  children: {
+    sidebar: Sidebar,
+    chart: Chart
+  },
+  collections: {
+    stats: StatCollection
+  },
+  props: {
+    selectionState: {
+      type: 'array',
+      default: function () { return []; }
+    }
+  },
+  parse: function (attrs, options) {
+    var year = new Date().getFullYear();
+    var groups = {};
+    var stats = _.map(attrs.series, function (serie) {
+      if (serie.key.indexOf(':') !== -1) {
+        var tokens = serie.key.split(':');
+        var group = tokens[0].trim();
+        var name = tokens[1].trim();
+      } else {
+        var group = 'stats';
+        var name = serie.key;
+      }
+
+      var data = _.sortBy(
+        _.map(serie.values, function (v, k) {
+          // add current year to date string
+          var tokens = k.split(' ');
+          tokens.splice(2, 0, year.toString());
+          var d = tokens.join(' ');
+          return {x: new Date(d), y: v};
+        }), 'x');
+      // calculate relative x values per series
+      var minx = Math.min.apply(null, data.map(function (d) { return d.x }));
+      data.forEach(function (d) {
+        d.xrel = (d.x - minx) / 1000;
+      })
+      groups[group] = true;
+      return { group: group, name: name, data: data };
+    });
+
+    groups = _.keys(groups).map(function (title) {
+      return {title: title};
+    });
+
+    var ret = {
+      stats: stats,
+      // provide information that sidebar needs
+      sidebar: {
+        panels: groups,
+      }
+    };
+    return ret;
+  },
+  initialize: function (attrs, options) {
+    // tell the panels about app and what stats they're managing
+    var panels = this.sidebar.panels;
+    panels.each(function (panel) {
+      panel.app = this;
+    }.bind(this));
+    
+    this.stats.each(function (stat) {
+      stat.app = this;
+      panels.get(stat.group).stats.add(stat);
+    }.bind(this));
+  },
+  clearSelectionState: function () {
+    this.selectionState = [];
+    debug('clear');
+  },
+  toggleAllExcept: function (stat) {
+    // shift-click on stat has the following behavior:
+    // if any other stat is selected, then 
+    //     1. store current selection state
+    //     2. enable current stat
+    //     3. disable all other stats
+    // else
+    //     restore previous selection state
+
+    var deselectAll = this.stats
+      .filter(function (s) { return s !== stat })
+      .some(function (s) { return s.selected; });
+
+    if (this.selectionState.length === 0 || !stat.selected) {
+      // store old selected state
+      this.selectionState = this.stats.map(function (s) { return s.selected; });
+
+      // now deselect all but stat
+      this.stats.each(function (s) {
+        s.selected = (s === stat);
+      });
+
+    } else {
+      // need to restore previous selection state
+      this.stats.each(function (s, i) {
+        s.selected = this.selectionState.length ? this.selectionState[i] : true;
+      }.bind(this));
+      this.clearSelectionState();
+    }
+  }
+});
+