unfold: better management of static files thanks to finders for plugins and third...

[myslice.git] / plugins / lists / static / js / simplelist.js

diff --git a/plugins/lists/static/js/simplelist.js b/plugins/lists/static/js/simplelist.js
new file mode 100644 (file)
index 0000000..9cd5129
--- /dev/null
+++ b/plugins/lists/static/js/simplelist.js
@@ -0,0 +1,151 @@
+/**
+ * Description: display simple lists like slices or testbeds
+ * Copyright (c) 2012 UPMC Sorbonne Universite - INRIA
+ * License: GPLv3
+ */
+
+(function($){
+
+    var debug=false;
+    // debug=true
+
+    $.fn.SimpleList = function( method ) {
+        /* Method calling logic */
+        if ( methods[method] ) {
+            return methods[ method ].apply( this, Array.prototype.slice.call( arguments, 1 ));
+        } else if ( typeof method === 'object' || ! method ) {
+            return methods.init.apply( this, arguments );
+        } else {
+            $.error( 'Method ' +  method + ' does not exist on jQuery.SimpleList' );
+        }    
+    };
+
+    var methods = {
+       init : function( options ) {
+           return this.each(function(){
+               var $this = $(this), data = $this.data('SimpleList');
+               /* Subscribe to query updates */
+               var channel='/results/' + options.query_uuid + '/changed';
+               /* passing $this as 2nd arg: callbacks will retrieve $this as e.data */
+               $.subscribe(channel, $this, update_plugin);
+               if (debug) window.messages.debug('subscribing to ' + channel);
+               $this.data('SimpleList', options);
+           });
+       },
+       destroy : function( ) {
+           if (debug) messages.debug("SimpleList.destroy...");
+            return this.each(function(){
+               var $this = $(this), data = $this.data('SimpleList');
+               // xxx not too sure what this is about
+               $(window).unbind('SimpleList');
+               $this.removeData('SimpleList');
+            });
+       },
+       update : function( content ) { 
+           if (debug) messages.debug("SimpleList.update...");
+       },
+    }; // methods
+
+    /* Private methods */
+    // complexity here is mostly because a datatables-enabled table cannot
+    // be updated in a "normal" way using .html()
+    function update_plugin(e, rows) {
+        // e.data is what we passed in second argument to subscribe
+        // so here it is the jquery object attached to the plugin <div>
+        var $plugindiv = e.data;
+        // locate the <table> element; with datatables in the way,
+        // this might not be a direct son of the div-plugin
+        var $table = $plugindiv.find("table.simplelist").first();
+        // also we may or may not have a header
+        var $tbody = $table.find("tbody.simplelist").first();
+        var use_datatables = $table.hasClass("with-datatables");
+        if (debug) 
+            messages.debug($plugindiv.attr('id') + " udt= " + use_datatables);
+       
+       // clear the spinning wheel: look up an ancestor that has the need-spin class
+       // do this before we might return
+           $plugindiv.closest('.need-spin').spin(false);
+
+        if (rows.length == 0) {
+               if (use_datatables)
+                 datatables_set_message ($table, $tbody, unfold.warning("No result"));
+               else
+                       regular_set_message ($table, $tbody, unfold.warning("No result"));
+            return;
+        }
+
+        if (typeof rows[0].error != 'undefined') {
+               var error="ERROR: " + rows[0].error;
+               if (use_datatables) 
+                datatables_set_message ($table, $tbody, unfold.error(error));
+               else
+                       regular_set_message ($table, $tbody, unfold.error(error));
+            return;
+        }
+
+        var options = $plugindiv.data().SimpleList;
+           if (use_datatables) 
+            datatables_update_table($table, $tbody, rows, options.key);
+           else
+                       regular_update_table($table, $tbody, rows, options.key);
+
+        }
+
+    // hard-wire a separate presentation depending on the key being used....
+    function cell(key, value) {
+        if (key == 'slice.slice_hrn') {
+            return "<i class='icon-play-circle'></i><a href='/slice/" + value + "'>" + value + "</a>";
+        } else if (key == 'network_hrn') {
+            return "<i class='icon-play-circle'></i>" + value ;
+        } else {
+            return value;
+        }
+    }
+
+    function regular_set_message ($table, $tbody, message) {
+       $tbody.html("<tr><td>"+message+"</td></tr>");
+    }
+
+    function regular_update_table ($table, $tbody, rows, key) {
+        if (debug)
+            messages.debug('regular_update_table ' + rows.length + " rows");
+           var html=$.map(rows, function (row) {
+            value = row;
+            $.each(key.split('.'), function(i, k) {
+                if ($.isArray(value)) {
+                    value = $.map(value, function(val, i) { return val[k]});
+                } else {
+                    value = value[k];
+                }
+            });
+            if ($.isArray(value)) {
+                x = $.map(value, function(val, i) { return html_row ( cell (key, val)); });
+                return x;
+            } else {
+                return html_row ( cell (key, value));
+            }
+        }).join();
+       $tbody.html(html);
+    }
+    
+    function datatables_set_message ($table, $tbody, message) {
+        $table.dataTable().fnClearTable();
+        $table.dataTable().fnAddData( [ message ] );
+        $table.dataTable().fnDraw();
+    }
+
+    function datatables_update_table ($table, $tbody, rows, key) {
+       if (debug) messages.debug('datatables_update_table ' + rows.length + " rows");
+       $table.dataTable().fnClearTable();
+       // the lambda here returns a [[]] because $.map is kind of broken; as per the doc:
+       // The function can return any value to add to the array. A returned array will be flattened into the resulting array.
+       // this is wrong indeed so let's work around that
+       $table.dataTable().fnAddData( $.map(rows, function (row) { return [[ cell (key,row[key]) ]] }) );
+       $table.dataTable().fnDraw();
+    }  
+    
+    function html_row (cell) { 
+        return "<tr><td class='simplelist'>"+cell+"</td></tr>"; 
+    }
+    
+})( jQuery );