From baf1527a3719a999d6c3d7aa463b6838f055b6fd Mon Sep 17 00:00:00 2001
From: Mike Rylander <mrylander@gmail.com>
Date: Wed, 17 Dec 2014 11:31:24 -0500
Subject: [PATCH] Allow, and use, disabling of button-ish anchors

Signed-off-by: Mike Rylander <mrylander@gmail.com>
Signed-off-by: Kathy Lussier <klussier@masslnc.org>
---
 Open-ILS/src/templates/staff/circ/patron/index.tt2 | 12 +++++------
 .../web/js/ui/default/staff/circ/patron/app.js     | 25 ++++++++++++++++++++++
 2 files changed, 31 insertions(+), 6 deletions(-)

diff --git a/Open-ILS/src/templates/staff/circ/patron/index.tt2 b/Open-ILS/src/templates/staff/circ/patron/index.tt2
index 9048faa308..bb0d2f8798 100644
--- a/Open-ILS/src/templates/staff/circ/patron/index.tt2
+++ b/Open-ILS/src/templates/staff/circ/patron/index.tt2
@@ -77,10 +77,10 @@ angular.module('egCoreMod').run(['egStrings', function(s) {
   <div class="col-md-9">
     <ul class="nav nav-pills nav-pills-like-tabs">
       <li ng-class="{active : tab == 'checkout', disabled : !patron()}">
-        <a href="./circ/patron/{{patron().id()}}/checkout">[% l('Check Out') %]</a>
+        <a a-disabled="!patron()" href="./circ/patron/{{patron().id()}}/checkout">[% l('Check Out') %]</a>
       </li>
       <li ng-class="{active : tab == 'items_out', disabled : !patron()}">
-        <a href="./circ/patron/{{patron().id()}}/items_out">
+        <a a-disabled="!patron()" href="./circ/patron/{{patron().id()}}/items_out">
           [% l('Items Out') %] 
           <span ng-if="patron()"><!-- lack of space / newline below intentional -->
           (<span ng-class="{'patron-summary-alert-small' : patron_stats().checkouts.overdue}">{{patron_stats().checkouts.total_out}}</span>)
@@ -88,7 +88,7 @@ angular.module('egCoreMod').run(['egStrings', function(s) {
         </a>
       </li>
       <li ng-class="{active : tab == 'holds', disabled : !patron()}">
-        <a href="./circ/patron/{{patron().id()}}/holds">
+        <a a-disabled="!patron()" href="./circ/patron/{{patron().id()}}/holds">
           [% l('Holds') %]
           <span ng-if="patron()">
             (<span>{{patron_stats().holds.total}} / {{patron_stats().holds.ready}}</span>)
@@ -96,7 +96,7 @@ angular.module('egCoreMod').run(['egStrings', function(s) {
         </a>
       </li>
       <li ng-class="{active : tab == 'bills', disabled : !patron()}">
-        <a href="./circ/patron/{{patron().id()}}/bills">
+        <a a-disabled="!patron()" href="./circ/patron/{{patron().id()}}/bills">
           [% l('Bills') %]
           <span ng-if="patron()">
             (<span ng-class="{'patron-summary-alert-small' : patron_stats().fines.balance_owed}">{{patron_stats().fines.balance_owed | currency}}</span>)
@@ -104,13 +104,13 @@ angular.module('egCoreMod').run(['egStrings', function(s) {
         </a>
       </li>
       <li ng-class="{active : tab == 'messages', disabled : !patron()}">
-        <a href="./circ/patron/{{patron().id()}}/messages">[% l('Messages') %]</a>
+        <a a-disabled="!patron()" href="./circ/patron/{{patron().id()}}/messages">[% l('Messages') %]</a>
       </li>
       <li ng-class="{active : tab == 'edit', disabled : !patron()}">
         <a href="./circ/patron/{{patron().id()}}/edit">[% l('Edit') %]</a>
       </li>
       <li class="dropdown" ng-class="{active : tab == 'other', disabled : !patron()}">
-        <a href class="dropdown-toggle" data-toggle="dropdown">
+        <a a-disabled="!patron()" href class="dropdown-toggle" data-toggle="dropdown">
             [% l('Other') %]
             <b class="caret"></b>
         </a>
diff --git a/Open-ILS/web/js/ui/default/staff/circ/patron/app.js b/Open-ILS/web/js/ui/default/staff/circ/patron/app.js
index 25800d3aba..3ce36c5965 100644
--- a/Open-ILS/web/js/ui/default/staff/circ/patron/app.js
+++ b/Open-ILS/web/js/ui/default/staff/circ/patron/app.js
@@ -1529,3 +1529,28 @@ function($scope , $routeParams , $window , $location , egCore) {
     $scope.user_perms_url = url;
 }])
 
+.directive('aDisabled', function() {
+    return {
+        compile: function(tElement, tAttrs, transclude) {
+            //Disable ngClick
+            tAttrs["ngClick"] = ("ng-click", "!("+tAttrs["aDisabled"]+") && ("+tAttrs["ngClick"]+")");
+
+            //Toggle "disabled" to class when aDisabled becomes true
+            return function (scope, iElement, iAttrs) {
+                scope.$watch(iAttrs["aDisabled"], function(newValue) {
+                    if (newValue !== undefined) {
+                        iElement.toggleClass("disabled", newValue);
+                    }
+                });
+
+                //Disable href on click
+                iElement.on("click", function(e) {
+                    if (scope.$eval(iAttrs["aDisabled"])) {
+                        e.preventDefault();
+                    }
+                });
+            };
+        }
+    };
+})
+
-- 
2.11.0