Added extension hint to save tree dialog

Author: Jimmy Thompson

src/app/dialog.js

@@ -3,13 +3,9 @@ var dialog = require("dialog");
 var BrowserWindow = require("browser-window");
 
 module.exports.openFile = function () {
-    var browserWindow = BrowserWindow.getFocusedWindow();
-
-    var fileNames = dialog.showOpenDialog(browserWindow, {
+    var fileNames = dialog.showOpenDialog(BrowserWindow.getFocusedWindow(), {
         properties: [ "openFile" ],
-        filters: [
-            { name: 'Text Files', extensions: ['txt'] }
-        ]
+        filters: [{ name: "Text Files", extensions: ["txt"] }]
     });
 
     if (!fileNames) {
@@ -22,7 +18,10 @@ module.exports.openFile = function () {
 };
 
 module.exports.saveFile = function (text) {
-    var fileName = dialog.showSaveDialog(BrowserWindow.getFocusedWindow(), {});
+    var fileName = dialog.showSaveDialog(BrowserWindow.getFocusedWindow(), {
+        title: "Open tree",
+        filters: [{ name: "Text", extensions: ["txt"]}]
+    });
 
     if (!fileName) {
         return false;

src/browser/index.js

@@ -5,12 +5,13 @@ var xmldom = require("xmldom");
 var parser = require("../app/parser");
 var TreeRenderer = require("./tree_renderer");
 
-var $success = $(".alert.success");
-var $error = $(".alert.error");
-var $showHide = $("#show-hide");
-var $sidebar = $(".sidebar");
-var $content = document.getElementById("content");
-var $textarea = document.getElementById("text-area");
+var $success = $(".alert.success"),
+    $error = $(".alert.error"),
+    $showHide = $("#show-hide"),
+    $sidebar = $(".sidebar");
+
+var $content = document.getElementById("content"),
+    $textarea = document.getElementById("text-area");
 
 var renderer = new TreeRenderer($content);
 

src/browser/tree_renderer.js

@@ -17,7 +17,6 @@ module.exports = function (element) {
     };
 
     this.render = function (root) {
-
         this.clear();
 
         var tree = d3.layout.tree().nodeSize(
@@ -41,11 +40,9 @@ module.exports = function (element) {
     this.resize = function () {
         if ($svg) {
             var parent = $element.parentNode;
-            var width = parent.offsetWidth;
-            var height = parent.offsetHeight;
 
-            $svg.attr("width", width)
-                .attr("height", height);
+            $svg.attr("width", parent.offsetWidth)
+                .attr("height", parent.offsetHeight);
         }
     };
 };