Merge pull request #6 from rdoubleui/persist_last_query

Default XPath Input to Last Query #4

package.json

@@ -44,6 +44,17 @@
 				"title": "XML Tools: Evaluate XPath"
 			}
 		],
+        "configuration": {
+            "title": "XML Tools Configuration",
+            "type": "object",
+            "properties": {
+                "xmlTools.persistXPathQuery": {
+                    "type": "boolean",
+                    "default": true,
+                    "description": "Remember the last XPath query used."
+                }
+            }
+        },
 		"keybindings": [
 			{
 				"key": "ctrl+shift+alt+b",

src/features/xmlXPathEngine.ts

@@ -1,15 +1,20 @@
 'use strict';
 
-import { window, TextEditor, TextEditorEdit, OutputChannel, ViewColumn } from 'vscode';
+import { window, TextEditor, TextEditorEdit, OutputChannel, ViewColumn, workspace } from 'vscode';
 
 let xpath = require('xpath');
 let dom = require('xmldom').DOMParser;
 let resultChannel: OutputChannel = null;
 
+export var lastXPath: string;
+
 export function evaluateXPath(editor: TextEditor, edit: TextEditorEdit): void {
-	window.showInputBox({
+    let isPersistant = workspace.getConfiguration().has('xmlTools.persistXPathQuery') && workspace.getConfiguration('xmlTools').get<boolean>('persistXPathQuery') === true	    
+
+    window.showInputBox({
 		placeHolder: 'XPath Query',
-		prompt: 'Please enter an XPath query to evaluate.'
+		prompt: 'Please enter an XPath query to evaluate.',
+		value: isPersistant ? lastXPath : ''
 
 	}).then((query) => {
 		if (query === undefined) return;
@@ -26,16 +31,16 @@ export function evaluateXPath(editor: TextEditor, edit: TextEditorEdit): void {
 			return;
 		}
 
+		lastXPath = query;
+
 		if (nodes === null || nodes === undefined || nodes.length == 0) {
 			window.showInformationMessage('Your XPath query returned no results.');
 			return;
 		}
 
 		if (resultChannel === null) resultChannel = window.createOutputChannel('XPath Evaluation Results');
 		resultChannel.clear();
-
-		resultChannel.appendLine('Last query: ' + query + '\n');
-
+
 		nodes.forEach((node) => {
 			resultChannel.appendLine(`${node.localName}: ${node.firstChild.data}`);
 		});