webui: add filter to attributes widget

Adds filter field to attribute box in permissions for better user
experience. User can then quickly find the desired attribute.

Initial version of the patch authored by: Adam Misnyovszki

https://fedorahosted.org/freeipa/ticket/4253

Reviewed-By: Endi Sukma Dewata <edewata@redhat.com>

install/ui/src/freeipa/aci.js

@@ -553,6 +553,59 @@ aci.attributes_widget = function(spec) {
 
     var id = spec.name;
 
+    that.create = function(container) {
+        that.container = container;
+
+        that.widget_create(container);
+        that.create_search_filter(container);
+        that.owb_create(container);
+
+        if (that.undo) {
+            that.create_undo(container);
+        }
+
+        that.create_error_link(container);
+    };
+
+    that.create_search_filter = function(container) {
+        var filter_container = $('<div/>', {
+            'class': 'search-filter'
+        });
+
+        that.filter = $('<input/>', {
+            type: 'text',
+            name: 'filter',
+            'class': 'form-control',
+            placeholder: text.get('@i18n:objects.permission.filter')
+        }).appendTo(filter_container);
+
+        that.filter.keyup(function(e) {
+            that.filter_options();
+        });
+
+        var find_button = IPA.action_button({
+            name: 'find',
+            icon: 'fa-search',
+            click: function() {
+                that.filter_options();
+                return false;
+            }
+        }).appendTo(filter_container);
+
+        filter_container.appendTo(container);
+    };
+
+    that.filter_options = function() {
+        $("li", that.$node).each(function() {
+            var item = $(this);
+            if(item.find('input').val().indexOf(that.filter.val()) === -1) {
+                item.css('display','none');
+            } else {
+                item.css('display','inline');
+            }
+        });
+    };
+
     that.update = function(values) {
 
         that.values = [];

install/ui/test/data/ipa_init.json

@@ -374,6 +374,7 @@
                             "enable": "Enable token"
                         },
                         "permission": {
+                            "filter": "Filter",
                             "identity": "Permission settings",
                             "managed": "Attribute breakdown",
                             "target": "Target"

ipalib/plugins/internal.py

@@ -518,6 +518,7 @@ class i18n_messages(Command):
                 "enable": "Enable token",
             },
             "permission": {
+                "filter": _("Filter"),
                 "identity": _("Permission settings"),
                 "managed": _("Attribute breakdown"),
                 "target": _("Target"),