FEATURE: Can override any translation via an admin interface

app/assets/javascripts/admin/controllers/admin-site-text-edit.js.es6

@@ -1,14 +1,29 @@
-export default Ember.Controller.extend({
-  saved: false,
+import { popupAjaxError } from 'discourse/lib/ajax-error';
+import { bufferedProperty } from 'discourse/mixins/buffered-content';
 
-  saveDisabled: function() {
-    return ((!this.get('allow_blank')) && Ember.isEmpty(this.get('model.value')));
-  }.property('model.iSaving', 'model.value'),
+export default Ember.Controller.extend(bufferedProperty('siteText'), {
+  saved: false,
 
   actions: {
     saveChanges() {
-      const model = this.get('model');
-      model.save(model.getProperties('value')).then(() => this.set('saved', true));
+      const buffered = this.get('buffered');
+      this.get('siteText').save(buffered.getProperties('value')).then(() => {
+        this.commitBuffer();
+        this.set('saved', true);
+      }).catch(popupAjaxError);
+    },
+
+    revertChanges() {
+      this.set('saved', false);
+      bootbox.confirm(I18n.t('admin.site_text.revert_confirm'), result => {
+        if (result) {
+          this.get('siteText').revert().then(props => {
+            const buffered = this.get('buffered');
+            buffered.setProperties(props);
+            this.commitBuffer();
+          }).catch(popupAjaxError);
+        }
+      });
     }
   }
 });

app/assets/javascripts/admin/controllers/admin-site-text-index.js.es6

@@ -0,0 +1,40 @@
+import { default as computed } from 'ember-addons/ember-computed-decorators';
+
+export default Ember.Controller.extend({
+  _q: null,
+  searching: false,
+  siteTexts: null,
+  preferred: false,
+
+  queryParams: ['q'],
+
+  @computed
+  q: {
+    set(value) {
+      if (Ember.isEmpty(value)) { value = null; }
+      this._q = value;
+      return value;
+    },
+    get() {
+      return this._q;
+    }
+  },
+
+  _performSearch() {
+    const q = this.get('q');
+    this.store.find('site-text', { q }).then(results => {
+      this.set('siteTexts', results);
+    }).finally(() => this.set('searching', false));
+  },
+
+  actions: {
+    edit(siteText) {
+      this.transitionToRoute('adminSiteText.edit', siteText.get('id'));
+    },
+
+    search() {
+      this.set('searching', true);
+      Ember.run.debounce(this, this._performSearch, 400);
+    }
+  }
+});

app/assets/javascripts/admin/controllers/admin-site-text.js.es6

@@ -1 +0,0 @@
-export default Ember.ArrayController.extend();