textmode: getTextSelection()

src/js/textmode.js

@@ -389,10 +389,10 @@ textmode._updateCursorInfoDisplay = function () {
     if (this.textarea) {
       setTimeout(function() { //this to verify we get the most updated textarea cursor selection
         var selectionRange = util.getInputSelection(me.textarea);      
-        line = selectionRange.row;
-        col = selectionRange.col;
-        if (selectionRange.start !== selectionRange.end) {
-          count = selectionRange.end - selectionRange.start;
+        line = selectionRange.end.row;
+        col = selectionRange.end.column;
+        if (selectionRange.startIndex !== selectionRange.endIndex) {
+          count = selectionRange.endIndex - selectionRange.startIndex;
         }
         updateDisplay();
       },0);
@@ -644,6 +644,37 @@ textmode.validate = function () {
   }
 };
 
+/**
+ * Get the selection details
+ * @returns {{start:{row:Number, column:Number},end:{row:Number, column:Number},text:String}}
+ */
+textmode.getTextSelection = function () {
+  if (this.textarea) {
+    var selectionRange = util.getInputSelection(this.textarea);
+    return {
+      start: selectionRange.start,
+      end: selectionRange.end,
+      text: this.textarea.value.substring(selectionRange.startIndex, selectionRange.endIndex)
+    }
+  }
+
+  if (this.aceEditor) {
+    var curserPos = this.aceEditor.getSelectionRange();
+    var selectedText = this.aceEditor.getSelectedText();
+    return {
+      start: {
+        row: curserPos.start.row + 1,
+        column: curserPos.start.column + 1
+      },
+      end: {
+        row: curserPos.end.row + 1,
+        column: curserPos.end.column + 1
+      },
+      text: selectedText
+    };
+  }
+};
+
 // define modes
 module.exports = [
   {

src/js/util.js

@@ -825,11 +825,11 @@ exports.textDiff = function textDiff(oldText, newText) {
  * @return {Object} reference Object with 2 properties (start and end) with the identifier of the location of the cursor and selected text.
  **/
 exports.getInputSelection = function(el) {
-  var start = 0, end = 0, normalizedValue, range, textInputRange, len, endRange;
+  var startIndex = 0, endIndex = 0, normalizedValue, range, textInputRange, len, endRange;
 
   if (typeof el.selectionStart == "number" && typeof el.selectionEnd == "number") {
-      start = el.selectionStart;
-      end = el.selectionEnd;
+      startIndex = el.selectionStart;
+      endIndex = el.selectionEnd;
   } else {
       range = document.selection.createRange();
 
@@ -841,38 +841,50 @@ exports.getInputSelection = function(el) {
           textInputRange = el.createTextRange();
           textInputRange.moveToBookmark(range.getBookmark());
 
-          // Check if the start and end of the selection are at the very end
+          // Check if the startIndex and endIndex of the selection are at the very end
           // of the input, since moveStart/moveEnd doesn't return what we want
           // in those cases
           endRange = el.createTextRange();
           endRange.collapse(false);
 
           if (textInputRange.compareEndPoints("StartToEnd", endRange) > -1) {
-              start = end = len;
+              startIndex = endIndex = len;
           } else {
-              start = -textInputRange.moveStart("character", -len);
-              start += normalizedValue.slice(0, start).split("\n").length - 1;
+              startIndex = -textInputRange.moveStart("character", -len);
+              startIndex += normalizedValue.slice(0, startIndex).split("\n").length - 1;
 
               if (textInputRange.compareEndPoints("EndToEnd", endRange) > -1) {
-                  end = len;
+                  endIndex = len;
               } else {
-                  end = -textInputRange.moveEnd("character", -len);
-                  end += normalizedValue.slice(0, end).split("\n").length - 1;
+                  endIndex = -textInputRange.moveEnd("character", -len);
+                  endIndex += normalizedValue.slice(0, endIndex).split("\n").length - 1;
               }
           }
       }
   }
 
-  var textTillCaret = el.value.substring(0,end);
-  var row = (textTillCaret.match(/\n/g) || []).length + 1;
-  var col = textTillCaret.length - textTillCaret.lastIndexOf("\n");
-
   return {
-      start: start,
-      end: end,
-      col: col,
-      row: row
+      startIndex: startIndex,
+      endIndex: endIndex,
+      start: _positionForIndex(startIndex),
+      end: _positionForIndex(endIndex)
   };
+
+  /**
+   * Returns textarea row and column position for certain index
+   * @param {Number} index text index
+   * @returns {{row: Number, col: Number}}
+   */
+  function _positionForIndex(index) {
+    var textTillIndex = el.value.substring(0,index);
+    var row = (textTillIndex.match(/\n/g) || []).length + 1;
+    var col = textTillIndex.length - textTillIndex.lastIndexOf("\n");
+
+    return {
+      row: row,
+      column: col
+    }
+  }
 }