disband ui/core

modules/ui/source_switch.js

@@ -0,0 +1,41 @@
+import { Browse } from '../modes/index';
+export function SourceSwitch(context) {
+    var keys;
+
+    function click() {
+        d3.event.preventDefault();
+
+        if (context.history().hasChanges() &&
+            !window.confirm(t('source_switch.lose_changes'))) return;
+
+        var live = d3.select(this)
+            .classed('live');
+
+        context.connection()
+            .switch(live ? keys[1] : keys[0]);
+
+        context.enter(Browse(context));
+        context.flush();
+
+        d3.select(this)
+            .text(live ? t('source_switch.dev') : t('source_switch.live'))
+            .classed('live', !live);
+    }
+
+    var sourceSwitch = function(selection) {
+        selection.append('a')
+            .attr('href', '#')
+            .text(t('source_switch.live'))
+            .classed('live', true)
+            .attr('tabindex', -1)
+            .on('click', click);
+    };
+
+    sourceSwitch.keys = function(_) {
+        if (!arguments.length) return keys;
+        keys = _;
+        return sourceSwitch;
+    };
+
+    return sourceSwitch;
+}