continuing in API review

src/public/javascripts/dialogs/branch_prefix.js

@@ -0,0 +1,51 @@
+import treeService from '../services/tree.js';
+import server from '../services/server.js';
+import treeCache from "../services/tree_cache.js";
+import treeUtils from "../services/tree_utils.js";
+
+const $dialog = $("#edit-tree-prefix-dialog");
+const $form = $("#edit-tree-prefix-form");
+const $treePrefixInput = $("#tree-prefix-input");
+const $noteTitle = $('#tree-prefix-note-title');
+
+let branchId;
+
+async function showDialog() {
+    glob.activeDialog = $dialog;
+
+    await $dialog.dialog({
+        modal: true,
+        width: 500
+    });
+
+    const currentNode = treeService.getCurrentNode();
+
+    branchId = currentNode.data.branchId;
+    const branch = await treeCache.getBranch(branchId);
+
+    $treePrefixInput.val(branch.prefix).focus();
+
+    const noteTitle = treeUtils.getNoteTitle(currentNode.data.noteId);
+
+    $noteTitle.html(noteTitle);
+}
+
+async function savePrefix() {
+    const prefix = $treePrefixInput.val();
+
+    await server.put('branches/' + branchId + '/set-prefix', { prefix: prefix });
+
+    await treeService.setPrefix(branchId, prefix);
+
+    $dialog.dialog("close");
+}
+
+$form.submit(() => {
+    savePrefix();
+
+    return false;
+});
+
+export default {
+    showDialog
+};