luci2.cbi: add GridSection

The GridSection widget is equivalent to the TableSection one but using the
bootstrap column layout for rendering. The table-like view also degrades to
a list-style view on tiny viewports, making it useful to present tabular
configuration (e.g. routes) to mobile clients.

Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>

diff --git a/luci2/htdocs/luci2/cbi.js b/luci2/htdocs/luci2/cbi.js
index cfc677d..cdffb91 100644 (file)
--- a/luci2/htdocs/luci2/cbi.js
+++ b/luci2/htdocs/luci2/cbi.js
@@ -2739,6 +2739,135 @@
                }
        });
 
+       cbi_class.GridSection = cbi_class.TypedSection.extend({
+               renderGridHead: function()
+               {
+                       var ghead = $('<div />').addClass('row hidden-xs');
+
+                       for (var j = 0; j < this.tabs[0].fields.length; j++)
+                       {
+                               var wdh = this.tabs[0].fields[j].options.width;
+                                   wdh = isNaN(wdh) ? this.options.dyn_width : wdh;
+
+                               ghead.append($('<div />')
+                                       .addClass('col-sm-%d cell caption clearfix'.format(wdh))
+                                       .append(this.tabs[0].fields[j].label('caption')));
+                       }
+
+                       if (this.options.addremove !== false || this.options.sortable)
+                       {
+                               var wdh = this.options.dyn_width + this.options.pad_width;
+                               ghead.append($('<div />')
+                                       .addClass('col-xs-8 col-sm-%d cell'.format(wdh))
+                                       .text(' '));
+                       }
+
+                       return ghead;
+               },
+
+               renderGridRow: function(sid, index)
+               {
+                       var row = $('<div />')
+                               .addClass('row luci2-section-item')
+                               .attr('id', this.id('sectionitem', sid))
+                               .attr('data-luci2-sid', sid);
+
+                       for (var j = 0; j < this.tabs[0].fields.length; j++)
+                       {
+                               var wdh = this.tabs[0].fields[j].options.width;
+                                   wdh = isNaN(wdh) ? this.options.dyn_width : wdh;
+
+                               row.append($('<div />')
+                                       .addClass('col-xs-4 hidden-sm hidden-md hidden-lg cell caption')
+                                       .append(this.tabs[0].fields[j].label('caption')));
+
+                               row.append($('<div />')
+                                       .addClass('col-xs-8 col-sm-%d cell content clearfix'.format(wdh))
+                                       .append(this.tabs[0].fields[j].render(sid, true)));
+                       }
+
+                       if (this.options.addremove !== false || this.options.sortable)
+                       {
+                               var wdh = this.options.dyn_width + this.options.pad_width;
+                               row.append($('<div />')
+                                       .addClass('col-xs-12 col-sm-%d cell'.format(wdh))
+                                       .append($('<div />')
+                                               .addClass('btn-group pull-right')
+                                               .append(this.renderSort(index))
+                                               .append(this.renderRemove(index))));
+                       }
+
+                       return row;
+               },
+
+               renderGridBody: function(parent_sid)
+               {
+                       var s = this.getUCISections(parent_sid);
+                       var rows = [ ];
+
+                       if (s.length == 0)
+                       {
+                               var cols = this.tabs[0].fields.length;
+
+                               if (this.options.addremove !== false || this.options.sortable)
+                                       cols++;
+
+                               rows.push($('<div />')
+                                       .addClass('row')
+                                       .append($('<div />')
+                                               .addClass('col-sm-12 cell placeholder text-muted')
+                                               .text(this.label('placeholder') || L.tr('There are no entries defined yet.'))));
+                       }
+
+                       for (var i = 0; i < s.length; i++)
+                       {
+                               var sid = s[i]['.name'];
+                               var inst = this.instance[sid] = { tabs: [ ] };
+
+                               rows.push(this.renderGridRow(sid, i));
+                       }
+
+                       return rows;
+               },
+
+               renderBody: function(condensed, parent_sid)
+               {
+                       var n_dynamic = 0;
+                       var dyn_width = 0;
+                       var fix_width = 0;
+                       var pad_width = 0;
+
+                       var cols = this.tabs[0].fields.length;
+
+                       if (this.options.addremove !== false || this.options.sortable)
+                               cols++;
+
+                       for (var i = 0; i < cols; i++)
+                       {
+                               var col = this.tabs[0].fields[i];
+                               if (col && !isNaN(col.options.width))
+                                       fix_width += col.options.width;
+                               else
+                                       n_dynamic++;
+                       }
+
+                       if (n_dynamic > 0)
+                       {
+                               this.options.dyn_width = Math.floor((12 - fix_width) / n_dynamic);
+                               this.options.pad_width = (12 - fix_width) % n_dynamic;
+                       }
+                       else
+                       {
+                               this.options.pad_width = 12 - fix_width;
+                       }
+
+                       return $('<div />')
+                               .addClass('luci2-grid luci2-grid-condensed')
+                               .append(this.renderGridHead())
+                               .append(this.renderGridBody(parent_sid));
+               }
+       });
+
        cbi_class.NamedSection = cbi_class.TypedSection.extend({
                getUCISections: function(cb)
                {