caojiezi2003/Stackedit
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Rollback selection calculation

Browse Source
This commit is contained in:
benweet 2014-12-15 22:05:26 +00:00
parent edfd8a1603
commit 65d2c6c455
1 changed files with 14 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
public/res/editor.js
View File

@ -252,14 +252,20 @@ define([
var selectionRange = selection.getRangeAt(0);
var node = selectionRange.startContainer;
if((contentElt.compareDocumentPosition(node) & Node.DOCUMENT_POSITION_CONTAINED_BY) || contentElt === node) {
var range = self.createRange({
container: contentElt,
offsetInContainer: 0
}, {
container: node,
offsetInContainer: selectionRange.startOffset
});
var offset = range.toString().length;
var offset = selectionRange.startOffset;
if(node.hasChildNodes() && offset > 0) {
node = node.childNodes[offset - 1];
offset = node.textContent.length;
}
var container = node;
while(node != contentElt) {
while(node = node.previousSibling) {
if(node.textContent) {
offset += node.textContent.length;
}
}
node = container = container.parentNode;
}
if(selection.isBackwards()) {
selectionStart = offset + selectionRange.toString().length;