Adds a button to remove a file upload before submission (#5670).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@6212 e93f8b46-1217-0410-a6f0-8f06a7374b81

public/javascripts/application.js

@@ -86,9 +86,9 @@ function hideFieldset(el) {
 var fileFieldCount = 1;
 
 function addFileField() {
-  if (fileFieldCount >= 10) return false
-  fileFieldCount++;
   var fields = $('attachments_fields');
+  if (fields.childElements().length >= 10) return false;
+  fileFieldCount++;
   var s = document.createElement("span");
   s.update(fields.down('span').innerHTML);
   s.down('input.file').name = "attachments[" + fileFieldCount + "][file]";
@@ -96,6 +96,16 @@ function addFileField() {
   fields.appendChild(s);
 }
 
+function removeFileField(el) {
+  var fields = $('attachments_fields');
+	var s = Element.up(el, 'span');
+	if (fields.childElements().length > 1) {
+		s.remove();
+	} else {
+		s.update(s.innerHTML);
+	}
+}
+
 function showTab(name) {
     var f = $$('div#content .tab-content');
 	for(var i=0; i<f.length; i++){

public/stylesheets/application.css

@@ -445,6 +445,8 @@ fieldset#notified_events .parent { padding-left: 20px; }
 .summary {font-style: italic;}
 
 #attachments_fields input[type=text] {margin-left: 8px; }
+#attachments_fields span {display:block; white-space:nowrap;}
+#attachments_fields img {vertical-align: middle;}
 
 div.attachments { margin-top: 12px; }
 div.attachments p { margin:4px 0 2px 0; }