add mini-style popup to live edit

[chloro.git] / chloro / phyll / static / js / chloro.js

diff --git a/chloro/phyll/static/js/chloro.js b/chloro/phyll/static/js/chloro.js
index 9988be42a16aa8a95cf926979f2b5260465aa904..066c5738401f5a304603f51b706bb178ab080046 100644 (file)
--- a/chloro/phyll/static/js/chloro.js
+++ b/chloro/phyll/static/js/chloro.js
@@ -17,6 +17,7 @@ $(function() {
     }
     return true;
   });
+
   $('#save').on('click', function() {
     var text = $('div[contenteditable]')[0].innerHTML;
     $.post('api-save/', {text: text}).fail(function() {
@@ -24,4 +25,42 @@ $(function() {
     });
     return false;
   });
+
+  var style_popup = null;
+  function update_style() {
+    var action = $(this).data('action');
+    var param = null;
+    if (action == 'code') {
+      action = 'insertHTML';
+      param = $('<code></code>', {text: window.getSelection().toString()})[0].outerHTML;
+    }
+    document.execCommand(action, false, param);
+  }
+
+  function show_style_popup(sel) {
+    if (style_popup === null) {
+      style_popup = $('<div id="style-popup">' +
+                      '<button data-action="italic"><i>i</i></button>' +
+                      '<button data-action="bold"><b>b</b></button>' +
+                      '<button data-action="code">#</button>' +
+                      '<button data-action="removeFormat">×</button>' +
+                      '</div>');
+      style_popup.hide();
+      style_popup.insertAfter($('div[contenteditable]'));
+      style_popup.find('button').on('click', update_style);
+    }
+    style_popup.css('position', 'absolute');
+    var pos = sel.getRangeAt(0).getClientRects()[0];
+    style_popup.css('top', pos.top + window.scrollY - $('main').offset().top - 33);
+    style_popup.css('left', pos.left + window.scrollX - $('main').offset().left);
+    style_popup.show();
+  };
+  $(document).on('selectionchange', function(event) {
+    var sel = window.getSelection();
+    if ($(sel.anchorNode).parents('div[contenteditable]').length && sel.toString()) {
+      show_style_popup(sel);
+    } else if (style_popup) {
+      $(style_popup).hide();
+    }
+  });
 });