refact pasteText

resource/js/components/PageEditor/CodeMirrorEditor.js

@@ -190,7 +190,8 @@ export default class CodeMirrorEditor extends AbstractEditor {
    */
   replaceBolToCurrentPos(text) {
     const editor = this.getCodeMirror();
-    editor.getDoc().replaceRange(text, this.getBol(), editor.getCursor());
+    const pos = this.selectLowerPos(editor.getCursor('from'), editor.getCursor('to'));
+    editor.getDoc().replaceRange(text, this.getBol(), pos);
   }
 
   /**

resource/js/components/PageEditor/MarkdownListUtil.js

@@ -42,7 +42,7 @@ class MarkdownListUtil {
    */
   pasteText(editor, event, text) {
     // get strings from BOL(beginning of line) to current position
-    const strFromBol = editor.getStrFromBol();
+    const strFromBol = editor.getStrFromBolToSelectedUpperPos();
 
     // when match indentAndMarkOnlyRE
     // (this means the current position is the beginning of the list item)

resource/js/components/PageEditor/TextAreaEditor.js

@@ -123,8 +123,10 @@ export default class TextAreaEditor extends AbstractEditor {
    * @inheritDoc
    */
   replaceBolToCurrentPos(text) {
-    const currentPos = this.textarea.selectionStart;
-    this.replaceValue(text, this.getBolPos(), currentPos);
+    const startPos = this.textarea.selectionStart;
+    const endPos = this.textarea.selectionEnd;
+    const lowerPos = (startPos < endPos) ? endPos : startPos;
+    this.replaceValue(text, this.getBolPos(), lowerPos);
   }
 
   getBolPos() {