Add the replace selection text to the options.

src/js/simplemde.js

@@ -260,34 +260,34 @@ function toggleOrderedList(editor) {
 	_toggleLine(cm, "ordered-list");
 }
 
-
 /**
  * Action for drawing a link.
  */
 function drawLink(editor) {
 	var cm = editor.codemirror;
 	var stat = getState(cm);
-	_replaceSelection(cm, stat.link, "[", "](http://)");
+	var options = editor.options;
+	_replaceSelection(cm, stat.link, options.replaceTexts.link);
 }
 
-
 /**
  * Action for drawing an img.
  */
 function drawImage(editor) {
 	var cm = editor.codemirror;
 	var stat = getState(cm);
-	_replaceSelection(cm, stat.image, "![](http://", ")");
+	var options = editor.options;
+	_replaceSelection(cm, stat.image, options.replaceTexts.image);
 }
 
-
 /**
  * Action for drawing a horizontal rule.
  */
 function drawHorizontalRule(editor) {
 	var cm = editor.codemirror;
 	var stat = getState(cm);
-	_replaceSelection(cm, stat.image, "", "\n\n-----\n\n");
+	var options = editor.options;
+	_replaceSelection(cm, stat.image, options.replaceTexts.horizontalRule);
 }
 
 
@@ -399,11 +399,13 @@ function togglePreview(editor) {
 		toggleSideBySide(editor);
 }
 
-function _replaceSelection(cm, active, start, end) {
+function _replaceSelection(cm, active, startEnd) {
 	if(/editor-preview-active/.test(cm.getWrapperElement().lastChild.className))
 		return;
 
 	var text;
+	var start = startEnd[0];
+	var end = startEnd[1];
 	var startPoint = cm.getCursor("start");
 	var endPoint = cm.getCursor("end");
 	if(active) {
@@ -604,6 +606,49 @@ function _toggleBlock(editor, type, start_chars, end_chars) {
 	cm.focus();
 }
 
+/**
+ * Merge the properties of one object into another.
+ *
+ * @param {Object} target The object where the properties will be copied
+ * @param {Object} source The object whose properties will be copied
+ *
+ * @returns {Object}
+ */
+function _mergeProperties(target, source) {
+   for(var property in source) {
+      if (source.hasOwnProperty(property)) {
+         if (source[property] instanceof Array) {
+            target[property] = source[property].concat(target[property] instanceof Array ? target[property] : []);
+         } else if (
+               source[property] !== null &&
+               typeof source[property] === 'object' &&
+               source[property].constructor === Object
+            ) {
+            target[property] = mergeProperties(target[property] || {}, source[property]);
+         } else {
+            target[property] = source[property];
+         }
+      }
+   }
+
+   return target;
+}
+
+/**
+ * Merge an arbitrary number of objects into one.
+ * This function modifies the <code>target</code> object but also returns it.
+ *
+ * @param {Object} target The target object of the merge
+ *
+ * @returns {Object}
+ */
+function extend(target) {
+   for(var i = 1; i < arguments.length; i++) {
+      target = _mergeProperties(target, arguments[i]);
+   }
+
+   return target;
+}
 
 /* The right word count in respect for CJK. */
 function wordCount(data) {
@@ -745,6 +790,12 @@ var toolbarBuiltInButtons = {
 	}
 };
 
+var replaceTexts = {
+   link: ["[", "](http://)"],
+   image: ["![](http://", ")"],
+   horizontalRule: ["", "\n\n-----\n\n"]
+};
+
 
 /**
  * Interface of SimpleMDE.
@@ -816,6 +867,10 @@ function SimpleMDE(options) {
 	// Set default options for parsing config
 	options.parsingConfig = options.parsingConfig || {};
 
+	
+	// Merging the replaceTexts, with the given options
+	options.replaceTexts = extend({}, replaceTexts, options.replaceTexts || {});
+
 
 	// Update this options
 	this.options = options;