first commit dropdown js

src/modules/dropdown.js

@@ -0,0 +1,287 @@
+/*  ******************************
+  Semantic Module: Checkbox
+  Author: Jack Lukic
+  Notes: First Commit MAy 25, 2013
+
+  Simple plug-in which maintains the state for ui dropdown
+
+******************************  */
+
+;(function ( $, window, document, undefined ) {
+
+$.fn.dropdown = function(parameters) {
+  var
+    $allModules     = $(this),
+    
+    settings        = $.extend(true, {}, $.fn.dropdown.settings, parameters),
+
+    eventNamespace  = '.' + settings.namespace,
+    moduleNamespace = 'module-' + settings.namespace,
+
+    selector        = $allModules.selector || '',
+    time            = new Date().getTime(),
+    performance     = [],
+
+    query           = arguments[0],
+    methodInvoked   = (typeof query == 'string'),
+    queryArguments  = [].slice.call(arguments, 1),
+    invokedResponse
+  ;
+
+  $allModules
+    .each(function() {
+      var
+        $module       = $(this),
+        $menu        = $(this).find(settings.selector.menu),
+
+        selector      = $module.selector || '',
+        element       = this,
+        instance      = $module.data('module-' + settings.namespace),
+        
+        className     = settings.className,
+        namespace     = settings.namespace,
+        errors        = settings.errors,
+        module
+      ;
+
+      module      = {
+
+        initialize: function() {
+          if(settings.context && selector !== '') {
+            module.verbose('Initializing dropdown with delegated events', $module);
+            $(element, settings.context)
+              .on(selector, 'click' + eventNamespace, module.toggle)
+              .data(moduleNamespace, module)
+            ;
+          }
+          else {
+            module.verbose('Initializing dropdown with bound events', $module);
+            $module
+              .on('click' + eventNamespace, module.toggle)
+              .data(moduleNamespace, module)
+            ;
+          }
+        },
+
+        can: {
+          show: function() {
+            return $module.hasClass(className.disabled);
+          }
+        },
+
+        destroy: function() {
+          module.verbose('Destroying previous dropdown for', $module);
+          $module
+            .off(namespace)
+          ;
+        },
+
+        enable: function() {
+          module.debug('Enabling dropdown');
+          $module
+            .addClass(className.active)
+          ;
+          $menu
+            .show()
+          ;
+          $.proxy(settings.onChange, $menu.get())();
+          $.proxy(settings.onShow, $menu.get())();
+        },
+
+        disable: function() {
+          module.debug('Disabling dropdown');
+          $module
+            .removeClass(className.active)
+          ;
+          $menu
+            .hide()
+          ;
+          $.proxy(settings.onChange, $menu.get())();
+          $.proxy(settings.onHide, $menu.get())();
+        },
+
+        toggle: function() {
+          if(module.can.show()) {
+            module.show();
+          }
+          else {
+            module.hide();
+          }
+        },
+
+        setting: function(name, value) {
+          if(value !== undefined) {
+            if( $.isPlainObject(name) ) {
+              $.extend(true, settings, name);
+            }
+            else {
+              settings[name] = value;
+            }
+          }
+          else {
+            return settings[name];
+          }
+        },
+        internal: function(name, value) {
+          if(value !== undefined) {
+            if( $.isPlainObject(name) ) {
+              $.extend(true, module, name);
+            }
+            else {
+              module[name] = value;
+            }
+          }
+          else {
+            return module[name];
+          }
+        },
+        debug: function() {
+          if(settings.debug) {
+            module.performance.log(arguments[0]);
+            module.verbose = Function.prototype.bind.call(console.info, console, settings.moduleName + ':');
+          }
+        },
+        verbose: function() {
+          if(settings.verbose && settings.debug) {
+            module.performance.log(arguments[0]);
+            module.verbose = Function.prototype.bind.call(console.info, console, settings.moduleName + ':');
+          }
+        },
+        error: function() {
+          if(console.log !== undefined) {
+            module.error = Function.prototype.bind.call(console.log, console, settings.moduleName + ':');
+          }
+        },
+        performance: {
+          log: function(message) {
+            var
+              currentTime,
+              executionTime,
+              previousTime
+            ;
+            if(settings.performance) {
+              currentTime   = new Date().getTime();
+              previousTime  = time || currentTime,
+              executionTime = currentTime - previousTime;
+              time          = currentTime;
+              performance.push({ 
+                'Element'        : element,
+                'Name'           : message, 
+                'Execution Time' : executionTime
+              });
+              clearTimeout(module.performance.timer);
+              module.performance.timer = setTimeout(module.performance.display, 100);
+            }
+          },
+          display: function() {
+            var
+              title              = settings.moduleName,
+              caption            = settings.moduleName + ': ' + selector + '(' + $allModules.size() + ' elements)',
+              totalExecutionTime = 0
+            ;
+            if(selector) {
+              title += 'Performance (' + selector + ')';
+            }
+            if( (console.group !== undefined || console.table !== undefined) && performance.length > 0) {
+              console.groupCollapsed(title);
+              if(console.table) {
+                $.each(performance, function(index, data) {
+                  totalExecutionTime += data['Execution Time'];
+                });
+                console.table(performance);
+              }
+              else {
+                $.each(performance, function(index, data) {
+                  totalExecutionTime += data['Execution Time'];
+                });
+              }
+              console.log('Total Execution Time:', totalExecutionTime +'ms');
+              console.groupEnd();
+              performance = [];
+              time        = false;
+            }
+          }
+        },
+        invoke: function(query, passedArguments, context) {
+          var
+            maxDepth,
+            found
+          ;
+          passedArguments = passedArguments || queryArguments;
+          context         = element         || context;
+          if(typeof query == 'string' && instance !== undefined) {
+            query    = query.split('.');
+            maxDepth = query.length - 1;
+            $.each(query, function(depth, value) {
+              if( $.isPlainObject( instance[value] ) && (depth != maxDepth) ) {
+                instance = instance[value];
+                return true;
+              }
+              else if( instance[value] !== undefined ) {
+                found = instance[value];
+                return true;
+              }
+              module.error(errors.method);
+              return false;
+            });
+          }
+          if ( $.isFunction( found ) ) {
+            module.verbose('Executing invoked function', found);
+            return found.apply(context, passedArguments);
+          }
+          return found || false;
+        }
+      };
+
+      if(methodInvoked) {
+        if(instance === undefined) {
+          module.initialize();
+        }
+        invokedResponse = module.invoke(query);
+      }
+      else {
+        if(instance !== undefined) {
+          module.destroy();
+        }
+        module.initialize();
+      }
+    })
+  ;
+  return (invokedResponse)
+    ? invokedResponse
+    : this
+  ;
+};
+
+$.fn.dropdown.settings = {
+
+  moduleName  : 'Dropdown Module',
+  namespace   : 'dropdown',
+  
+  verbose     : true,
+  debug       : true,
+  performance : false,
+  
+  // delegated event context
+  context     : false,
+  required    : 'auto',
+  
+  onChange    : function(){},
+  onShow      : function(){},
+  onHide      : function(){},
+  
+  errors      : {
+    method   : 'The method you called is not defined.'
+  },
+
+  selector : {
+    menu  : '.menu'
+  },
+
+  className : {
+    active : 'visible'
+  }
+
+};
+
+})( jQuery, window , document );