libs/web: rework DynamicList widget to support dynamic lists composed of comboboxes
authorJo-Philipp Wich <jow@openwrt.org>
Mon, 19 Dec 2011 18:55:59 +0000 (18:55 +0000)
committerJo-Philipp Wich <jow@openwrt.org>
Mon, 19 Dec 2011 18:55:59 +0000 (18:55 +0000)
libs/web/htdocs/luci-static/resources/cbi.js
libs/web/luasrc/view/cbi/dynlist.htm

index e932dac1d0dbc5d10bb90a9b9fe4d93b8b30d1fc..4b8cd5c9021796fe09269e90294b6fa2bd60a6b2 100644 (file)
@@ -494,26 +494,101 @@ function cbi_browser_init(id, respath, url, defpath)
        cbi_bind(btn, 'click', cbi_browser_btnclick);
 }
 
-function cbi_dynlist_init(name, respath)
+function cbi_dynlist_init(name, respath, datatype, optional, choices)
 {
-       function cbi_dynlist_renumber(e)
+       var input0 = document.getElementsByName(name)[0];
+       var prefix = input0.name;
+       var parent = input0.parentNode;
+
+       var values;
+
+       function cbi_dynlist_redraw(focus, add, del)
        {
-               /* in a perfect world, we could just getElementsByName() - but not if
-                * MSIE is involved... */
-               var inputs = [ ]; // = document.getElementsByName(name);
-               for (var i = 0; i < e.parentNode.childNodes.length; i++)
-                       if (e.parentNode.childNodes[i].name == name)
-                               inputs.push(e.parentNode.childNodes[i]);
-
-               for (var i = 0; i < inputs.length; i++)
+               values = [ ];
+
+               while (parent.firstChild)
                {
-                       inputs[i].id = name + '.' + (i + 1);
-                       inputs[i].nextSibling.src = respath + (
-                               (i+1) < inputs.length ? '/cbi/remove.gif' : '/cbi/add.gif'
-                       );
+                       var n = parent.firstChild;
+                       var i = parseInt(n.index);
+
+                       if (i != del)
+                       {
+                               if (n.nodeName.toLowerCase() == 'input')
+                                       values.push(n.value || '');
+                               else if (n.nodeName.toLowerCase() == 'select')
+                                       values[values.length-1] = n.options[n.selectedIndex].value;
+                       }
+
+                       parent.removeChild(n);
                }
 
-               e.focus();
+               if (add >= 0)
+               {
+                       focus = add+1;
+                       values.splice(focus, 0, '');
+               }
+               else if (values.length == 0)
+               {
+                       focus = 0;
+                       values.push('');
+               }
+
+               for (var i = 0; i < values.length; i++)
+               {
+                       var t = document.createElement('input');
+                               t.id = prefix + '.' + (i+1);
+                               t.name = prefix;
+                               t.value = values[i];
+                               t.type = 'text';
+                               t.index = i;
+                               t.className = 'cbi-input-text';
+
+                       var b = document.createElement('img');
+                               b.src = respath + ((i+1) < values.length ? '/cbi/remove.gif' : '/cbi/add.gif');
+                               b.className = 'cbi-image-button';
+
+                       parent.appendChild(t);
+                       parent.appendChild(b);
+                       parent.appendChild(document.createElement('br'));
+
+                       if (datatype)
+                       {
+                               cbi_validate_field(t.id, ((i+1) == values.length) || optional, datatype);
+                       }
+
+                       if (choices)
+                       {
+                               cbi_combobox_init(t.id, choices[0], '', choices[1]);
+                               t.nextSibling.index = i;
+
+                               cbi_bind(t.nextSibling, 'keydown',  cbi_dynlist_keydown);
+                               cbi_bind(t.nextSibling, 'keypress', cbi_dynlist_keypress);
+
+                               if (i == focus || -i == focus)
+                                       t.nextSibling.focus();
+                       }
+                       else
+                       {
+                               cbi_bind(t, 'keydown',  cbi_dynlist_keydown);
+                               cbi_bind(t, 'keypress', cbi_dynlist_keypress);
+
+                               if (i == focus)
+                               {
+                                       t.focus();
+                               }
+                               else if (-i == focus)
+                               {
+                                       t.focus();
+
+                                       /* force cursor to end */
+                                       var v = t.value;
+                                       t.value = ' '
+                                       t.value = v;
+                               }
+                       }
+
+                       cbi_bind(b, 'click', cbi_dynlist_btnclick);
+               }
        }
 
        function cbi_dynlist_keypress(ev)
@@ -570,27 +645,28 @@ function cbi_dynlist_init(name, respath)
                while (next && next.name != name)
                        next = next.nextSibling;
 
+               /* advance one further in combobox case */
+               if (next && next.nextSibling.name == name)
+                       next = next.nextSibling;
+
                switch (ev.keyCode)
                {
                        /* backspace, delete */
                        case 8:
                        case 46:
-                               var jump = (ev.keyCode == 8)
-                                       ? (prev || next) : (next || prev);
+                               var del = (se.nodeName.toLowerCase() == 'select')
+                                       ? true : (se.value.length == 0);
 
-                               if (se.value.length == 0 && jump)
+                               if (del)
                                {
-                                       se.parentNode.removeChild(se.nextSibling.nextSibling);
-                                       se.parentNode.removeChild(se.nextSibling);
-                                       se.parentNode.removeChild(se);
-
-                                       cbi_dynlist_renumber(jump);
-
                                        if (ev.preventDefault)
                                                ev.preventDefault();
 
-                                       /* IE Quirk, needs double focus somehow */
-                                       jump.focus();
+                                       var focus = se.index;
+                                       if (ev.keyCode == 8)
+                                               focus = -focus+1;
+
+                                       cbi_dynlist_redraw(focus, -1, se.index);
 
                                        return false;
                                }
@@ -599,36 +675,7 @@ function cbi_dynlist_init(name, respath)
 
                        /* enter */
                        case 13:
-                               var n = document.createElement('input');
-                                       n.name       = se.name;
-                                       n.type       = se.type;
-
-                               var b = document.createElement('img');
-
-                               cbi_bind(n, 'keydown',  cbi_dynlist_keydown);
-                               cbi_bind(n, 'keypress', cbi_dynlist_keypress);
-                               cbi_bind(b, 'click',    cbi_dynlist_btnclick);
-
-                               if (next)
-                               {
-                                       se.parentNode.insertBefore(n, next);
-                                       se.parentNode.insertBefore(b, next);
-                                       se.parentNode.insertBefore(document.createElement('br'), next);
-                               }
-                               else
-                               {
-                                       se.parentNode.appendChild(n);
-                                       se.parentNode.appendChild(b);
-                                       se.parentNode.appendChild(document.createElement('br'));
-                               }
-
-                               var dt = se.getAttribute('cbi_datatype');
-                               var op = se.getAttribute('cbi_optional') == 'true';
-
-                               if (dt)
-                                       cbi_validate_field(n, op, dt);
-
-                               cbi_dynlist_renumber(n);
+                               cbi_dynlist_redraw(-1, se.index, -1);
                                break;
 
                        /* arrow up */
@@ -675,21 +722,7 @@ function cbi_dynlist_init(name, respath)
                return false;
        }
 
-       var inputs = document.getElementsByName(name);
-       for( var i = 0; i < inputs.length; i++ )
-       {
-               var btn = document.createElement('img');
-                       btn.className = 'cbi-image-button';
-                       btn.src = respath + (
-                               (i+1) < inputs.length ? '/cbi/remove.gif' : '/cbi/add.gif'
-                       );
-
-               inputs[i].parentNode.insertBefore(btn, inputs[i].nextSibling);
-
-               cbi_bind(inputs[i], 'keydown',  cbi_dynlist_keydown);
-               cbi_bind(inputs[i], 'keypress', cbi_dynlist_keypress);
-               cbi_bind(btn,       'click',    cbi_dynlist_btnclick);
-       }
+       cbi_dynlist_redraw(0, -1, -1);
 }
 
 //Hijacks the CBI form to send via XHR (requires Prototype)
index a9e77c7cce9d7db352e821bd18c7f13f24c90673..fd626a4ecf70a2b5d34975bec05872df5cc1bd65 100644 (file)
 <% end end %>
 </div>
 <script type="text/javascript">
-cbi_dynlist_init('<%=cbid%>', '<%=resource%>');
-<% if self.datatype then -%>
-       <% if #self.keylist > 0 then -%>
-               cbi_combobox_init('<%=cbid .. "." .. i%>', {
+cbi_dynlist_init(
+       '<%=cbid%>', '<%=resource%>', '<%=self.datatype%>',
+       <%=tostring(self.optional or self.rmempty)%>
+       <%- if #self.keylist > 0 then -%>, [{
                <%- for i, k in ipairs(self.keylist) do -%>
                        <%-=string.format("%q", k) .. ":" .. string.format("%q", self.vallist[i])-%>
                        <%-if i<#self.keylist then-%>,<%-end-%>
                <%-     end     -%>
-               }, '<%- if not self.rmempty and not self.optional then -%>
-                       <%-: -- Please choose -- -%>
-               <%- end -%>', '<%: -- custom -- %>');
-       <% end -%>
-       <% for i=1, #vals + 1 do -%>
-       cbi_validate_field('<%=cbid%>.<%=i%>', <%=tostring((self.optional or self.rmempty) == true or i > #vals)%>, '<%=self.datatype%>');
-       <%- end %>
-<% end -%>
+       }, '<%: -- custom -- %>']<% end -%>);
 </script>
 <%+cbi/valuefooter%>