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Tab insertion via document.execCommand

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This commit is contained in:
Mo Bitar
2017-10-15 18:17:51 -05:00
parent cd42ef3132
commit 7e3a124112
1 changed files with 14 additions and 9 deletions
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5
app/assets/javascripts/app/frontend/controllers/editor.js
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@@ -516,6 +516,10 @@ angular.module('app.frontend')
var handleTab = function (event) { var handleTab = function (event) {
if (!event.shiftKey && event.which == 9) { if (!event.shiftKey && event.which == 9) {
event.preventDefault(); event.preventDefault();
// Using document.execCommand gives us undo support
if(!document.execCommand("insertText", false, "\t")) {
// document.execCommand works great on Chrome/Safari but not Firefox
var start = this.selectionStart; var start = this.selectionStart;
var end = this.selectionEnd; var end = this.selectionEnd;
var spaces = " "; var spaces = " ";
@@ -527,6 +531,7 @@ angular.module('app.frontend')
// Place cursor 4 spaces away from where // Place cursor 4 spaces away from where
// the tab key was pressed // the tab key was pressed
this.selectionStart = this.selectionEnd = start + 4; this.selectionStart = this.selectionEnd = start + 4;
}
parent.note.text = this.value; parent.note.text = this.value;
parent.changesMade(); parent.changesMade();