(cm, updateNumbersFrom, dims)
| 847 | // that are not there yet, and updating the ones that are out of |
| 848 | // date. |
| 849 | function patchDisplay(cm, updateNumbersFrom, dims) { |
| 850 | var display = cm.display, lineNumbers = cm.options.lineNumbers; |
| 851 | var container = display.lineDiv, cur = container.firstChild; |
| 852 | |
| 853 | function rm(node) { |
| 854 | var next = node.nextSibling; |
| 855 | // Works around a throw-scroll bug in OS X Webkit |
| 856 | if (webkit && mac && cm.display.currentWheelTarget == node) |
| 857 | node.style.display = "none"; |
| 858 | else |
| 859 | node.parentNode.removeChild(node); |
| 860 | return next; |
| 861 | } |
| 862 | |
| 863 | var view = display.view, lineN = display.viewFrom; |
| 864 | // Loop over the elements in the view, syncing cur (the DOM nodes |
| 865 | // in display.lineDiv) with the view as we go. |
| 866 | for (var i = 0; i < view.length; i++) { |
| 867 | var lineView = view[i]; |
| 868 | if (lineView.hidden) { |
| 869 | } else if (!lineView.node || lineView.node.parentNode != container) { // Not drawn yet |
| 870 | var node = buildLineElement(cm, lineView, lineN, dims); |
| 871 | container.insertBefore(node, cur); |
| 872 | } else { // Already drawn |
| 873 | while (cur != lineView.node) cur = rm(cur); |
| 874 | var updateNumber = lineNumbers && updateNumbersFrom != null && |
| 875 | updateNumbersFrom <= lineN && lineView.lineNumber; |
| 876 | if (lineView.changes) { |
| 877 | if (indexOf(lineView.changes, "gutter") > -1) updateNumber = false; |
| 878 | updateLineForChanges(cm, lineView, lineN, dims); |
| 879 | } |
| 880 | if (updateNumber) { |
| 881 | removeChildren(lineView.lineNumber); |
| 882 | lineView.lineNumber.appendChild(document.createTextNode(lineNumberFor(cm.options, lineN))); |
| 883 | } |
| 884 | cur = lineView.node.nextSibling; |
| 885 | } |
| 886 | lineN += lineView.size; |
| 887 | } |
| 888 | while (cur) cur = rm(cur); |
| 889 | } |
| 890 | |
| 891 | // When an aspect of a line changes, a string is added to |
| 892 | // lineView.changes. This updates the relevant part of the line's |
no test coverage detected