Open-ILS/web/js/ui/default/staff/services/ui.js

   1 /**
   2   * UI tools and directives.
   3   */
   4 angular.module('egUiMod', ['egCoreMod', 'ui.bootstrap'])
   5
   6
   7 /**
   8  * <input focus-me="iAmOpen"/>
   9  * $scope.iAmOpen = true;
  10  */
  11 .directive('focusMe',
  12        ['$timeout','$parse',
  13 function($timeout , $parse) {
  14     return {
  15         link: function(scope, element, attrs) {
  16             var model = $parse(attrs.focusMe);
  17             scope.$watch(model, function(value) {
  18                 if(value === true)
  19                     $timeout(function() {element[0].focus()});
  20             });
  21             element.bind('blur', function() {
  22                 scope.$apply(model.assign(scope, false));
  23             })
  24         }
  25     };
  26 }])
  27
  28 /**
  29  * <input blur-me="pleaseBlurMe"/>
  30  * $scope.pleaseBlurMe = true
  31  * Useful for de-focusing when no other obvious focus target exists
  32  */
  33 .directive('blurMe',
  34        ['$timeout','$parse',
  35 function($timeout , $parse) {
  36     return {
  37         link: function(scope, element, attrs) {
  38             var model = $parse(attrs.blurMe);
  39             scope.$watch(model, function(value) {
  40                 if(value === true)
  41                     $timeout(function() {element[0].blur()});
  42             });
  43             element.bind('focus', function() {
  44                 scope.$apply(model.assign(scope, false));
  45             })
  46         }
  47     };
  48 }])
  49
  50
  51 // <input select-me="iWantToBeSelected"/>
  52 // $scope.iWantToBeSelected = true;
  53 .directive('selectMe',
  54        ['$timeout','$parse',
  55 function($timeout , $parse) {
  56     return {
  57         link: function(scope, element, attrs) {
  58             var model = $parse(attrs.selectMe);
  59             scope.$watch(model, function(value) {
  60                 if(value === true)
  61                     $timeout(function() {element[0].select()});
  62             });
  63             element.bind('blur', function() {
  64                 scope.$apply(model.assign(scope, false));
  65             })
  66         }
  67     };
  68 }])
  69
  70
  71 // 'reverse' filter
  72 // <div ng-repeat="item in items | reverse">{{item.name}}</div>
  73 // http://stackoverflow.com/questions/15266671/angular-ng-repeat-in-reverse
  74 // TODO: perhaps this should live elsewhere
  75 .filter('reverse', function() {
  76     return function(items) {
  77         return items.slice().reverse();
  78     };
  79 })
  80
  81
  82 /**
  83  * egAlertDialog.open({message : 'hello {{name}}'}).result.then(
  84  *     function() { console.log('alert closed') });
  85  */
  86 .factory('egAlertDialog',
  87
  88         ['$modal','$interpolate',
  89 function($modal , $interpolate) {
  90     var service = {};
  91
  92     service.open = function(message, msg_scope) {
  93         return $modal.open({
  94             templateUrl: './share/t_alert_dialog',
  95             controller: ['$scope', '$modalInstance',
  96                 function($scope, $modalInstance) {
  97                     $scope.message = $interpolate(message)(msg_scope);
  98                     $scope.ok = function() {
  99                         if (msg_scope && msg_scope.ok) msg_scope.ok();
 100                         $modalInstance.close()
 101                     }
 102                 }
 103             ]
 104         });
 105     }
 106
 107     return service;
 108 }])
 109
 110 /**
 111  * egConfirmDialog.open("some message goes {{here}}", {
 112  *  here : 'foo', ok : function() {}, cancel : function() {}},
 113  *  'OK', 'Cancel');
 114  */
 115 .factory('egConfirmDialog',
 116
 117        ['$modal','$interpolate',
 118 function($modal, $interpolate) {
 119     var service = {};
 120
 121     service.open = function(title, message, msg_scope, ok_button_label, cancel_button_label) {
 122         return $modal.open({
 123             templateUrl: './share/t_confirm_dialog',
 124             controller: ['$scope', '$modalInstance',
 125                 function($scope, $modalInstance) {
 126                     $scope.title = $interpolate(title)(msg_scope);
 127                     $scope.message = $interpolate(message)(msg_scope);
 128                     $scope.ok_button_label = $interpolate(ok_button_label || '')(msg_scope);
 129                     $scope.cancel_button_label = $interpolate(cancel_button_label || '')(msg_scope);
 130                     $scope.ok = function() {
 131                         if (msg_scope.ok) msg_scope.ok();
 132                         $modalInstance.close()
 133                     }
 134                     $scope.cancel = function() {
 135                         if (msg_scope.cancel) msg_scope.cancel();
 136                         $modalInstance.dismiss();
 137                     }
 138                 }
 139             ]
 140         })
 141     }
 142
 143     return service;
 144 }])
 145
 146 /**
 147  * egPromptDialog.open(
 148  *    "prompt message goes {{here}}",
 149  *    promptValue,  // optional
 150  *    {
 151  *      here : 'foo',
 152  *      ok : function(value) {console.log(value)},
 153  *      cancel : function() {console.log('prompt denied')}
 154  *    }
 155  *  );
 156  */
 157 .factory('egPromptDialog',
 158
 159        ['$modal','$interpolate',
 160 function($modal, $interpolate) {
 161     var service = {};
 162
 163     service.open = function(message, promptValue, msg_scope) {
 164         return $modal.open({
 165             templateUrl: './share/t_prompt_dialog',
 166             controller: ['$scope', '$modalInstance',
 167                 function($scope, $modalInstance) {
 168                     $scope.message = $interpolate(message)(msg_scope);
 169                     $scope.args = {value : promptValue || ''};
 170                     $scope.focus = true;
 171                     $scope.ok = function() {
 172                         if (msg_scope.ok) msg_scope.ok($scope.args.value);
 173                         $modalInstance.close()
 174                     }
 175                     $scope.cancel = function() {
 176                         if (msg_scope.cancel) msg_scope.cancel();
 177                         $modalInstance.dismiss();
 178                     }
 179                 }
 180             ]
 181         })
 182     }
 183
 184     return service;
 185 }])
 186
 187 /**
 188  * Warn on page unload and give the user a chance to avoid navigating
 189  * away from the current page.
 190  * Only one handler is supported per page.
 191  * NOTE: we can't use an egUnloadDialog as the dialog builder, because
 192  * it renders asynchronously, which allows the page to redirect before
 193  * the dialog appears.
 194  */
 195 .factory('egUnloadPrompt', [
 196         '$window','egStrings',
 197 function($window , egStrings) {
 198     var service = {};
 199
 200     // attach a page/scope unload prompt
 201     service.attach = function($scope, msg) {
 202
 203         // handle page change
 204         $($window).on('beforeunload', function() {
 205             service.clear();
 206             return msg || egStrings.EG_UNLOAD_PAGE_PROMPT_MSG;
 207         });
 208
 209         if (!$scope) return;
 210
 211         // If a scope was provided, attach a scope-change handler,
 212         // similar to the page-page prompt.
 213         service.locChangeCancel =
 214             $scope.$on('$locationChangeStart', function(evt, next, current) {
 215             if (confirm(msg || egStrings.EG_UNLOAD_CTRL_PROMPT_MSG)) {
 216                 // user allowed the page to change.
 217                 // Clear the unload handler.
 218                 service.clear();
 219             } else {
 220                 evt.preventDefault();
 221             }
 222         });
 223     };
 224
 225     // remove the page unload prompt
 226     service.clear = function() {
 227         $($window).off('beforeunload');
 228         if (service.locChangeCancel)
 229             service.locChangeCancel();
 230     }
 231
 232     return service;
 233 }])
 234
 235 .directive('aDisabled', function() {
 236     return {
 237         restrict : 'A',
 238         compile: function(tElement, tAttrs, transclude) {
 239             //Disable ngClick
 240             tAttrs["ngClick"] = ("ng-click", "!("+tAttrs["aDisabled"]+") && ("+tAttrs["ngClick"]+")");
 241
 242             //Toggle "disabled" to class when aDisabled becomes true
 243             return function (scope, iElement, iAttrs) {
 244                 scope.$watch(iAttrs["aDisabled"], function(newValue) {
 245                     if (newValue !== undefined) {
 246                         iElement.toggleClass("disabled", newValue);
 247                     }
 248                 });
 249
 250                 //Disable href on click
 251                 iElement.on("click", function(e) {
 252                     if (scope.$eval(iAttrs["aDisabled"])) {
 253                         e.preventDefault();
 254                     }
 255                 });
 256             };
 257         }
 258     };
 259 })
 260
 261 .directive('egBasicComboBox', function() {
 262     return {
 263         restrict: 'E',
 264         replace: true,
 265         scope: {
 266             list: "=", // list of strings
 267             selected: "=",
 268             egDisabled: "="
 269         },
 270         template:
 271             '<div class="input-group">'+
 272                 '<input type="text" ng-disabled="egDisabled" class="form-control" ng-model="selected" ng-change="makeOpen()">'+
 273                 '<div class="input-group-btn" dropdown ng-class="{open:isopen}">'+
 274                     '<button type="button" ng-click="showAll()" class="btn btn-default dropdown-toggle"><span class="caret"></span></button>'+
 275                     '<ul class="dropdown-menu dropdown-menu-right">'+
 276                         '<li ng-repeat="item in list|filter:selected"><a href ng-click="changeValue(item)">{{item}}</a></li>'+
 277                         '<li ng-if="all" class="divider"><span></span></li>'+
 278                         '<li ng-if="all" ng-repeat="item in list"><a href ng-click="changeValue(item)">{{item}}</a></li>'+
 279                     '</ul>'+
 280                 '</div>'+
 281             '</div>',
 282         controller: ['$scope','$filter',
 283             function( $scope , $filter) {
 284
 285                 $scope.all = false;
 286                 $scope.isopen = false;
 287
 288                 $scope.showAll = function () {
 289                     if ($scope.selected.length > 0)
 290                         $scope.all = true;
 291                 }
 292
 293                 $scope.makeOpen = function () {
 294                     $scope.isopen = $filter('filter')(
 295                         $scope.list,
 296                         $scope.selected
 297                     ).length > 0 && $scope.selected.length > 0;
 298                     $scope.all = false;
 299                 }
 300
 301                 $scope.changeValue = function (newVal) {
 302                     $scope.selected = newVal;
 303                     $scope.isopen = false;
 304                 }
 305
 306             }
 307         ]
 308     };
 309 })
 310
 311 /**
 312  * Nested org unit selector modeled as a Bootstrap dropdown button.
 313  */
 314 .directive('egOrgSelector', function() {
 315     return {
 316         restrict : 'AE',
 317         transclude : true,
 318         replace : true, // makes styling easier
 319         scope : {
 320             selected : '=', // defaults to workstation or root org,
 321                             // unless the nodefault attibute exists
 322
 323             // Each org unit is passed into this function and, for
 324             // any org units where the response value is true, the
 325             // org unit will not be added to the selector.
 326             hiddenTest : '=',
 327
 328             // Each org unit is passed into this function and, for
 329             // any org units where the response value is true, the
 330             // org unit will not be available for selection.
 331             disableTest : '=',
 332
 333             // if set to true, disable the UI element altogether
 334             alldisabled : '@',
 335
 336             // Caller can either $watch(selected, ..) or register an
 337             // onchange handler.
 338             onchange : '=',
 339
 340             // optional primary drop-down button label
 341             label : '@',
 342
 343             // optional name of settings key for persisting
 344             // the last selected org unit
 345             stickySetting : '@'
 346         },
 347
 348         // any reason to move this into a TT2 template?
 349         template :
 350             '<div class="btn-group eg-org-selector" dropdown>'
 351             + '<button type="button" class="btn btn-default dropdown-toggle" ng-disabled="disable_button">'
 352              + '<span style="padding-right: 5px;">{{getSelectedName()}}</span>'
 353              + '<span class="caret"></span>'
 354            + '</button>'
 355            + '<ul class="dropdown-menu scrollable-menu">'
 356              + '<li ng-repeat="org in orgList" ng-hide="hiddenTest(org.id)">'
 357                + '<a href ng-click="orgChanged(org)" a-disabled="disableTest(org.id)" '
 358                  + 'style="padding-left: {{org.depth * 10 + 5}}px">'
 359                  + '{{org.shortname}}'
 360                + '</a>'
 361              + '</li>'
 362            + '</ul>'
 363           + '</div>',
 364
 365         controller : ['$scope','$timeout','egOrg','egAuth','egCore','egStartup',
 366               function($scope , $timeout , egOrg , egAuth , egCore , egStartup) {
 367
 368             if ($scope.alldisabled) {
 369                 $scope.disable_button = $scope.alldisabled == 'true' ? true : false;
 370             } else {
 371                 $scope.disable_button = false;
 372             }
 373
 374             $scope.egOrg = egOrg; // for use in the link function
 375             $scope.egAuth = egAuth; // for use in the link function
 376             $scope.hatch = egCore.hatch // for use in the link function
 377
 378             // avoid linking the full fleshed tree to the scope by
 379             // tossing in a flattened list.
 380             // --
 381             // Run-time code referencing post-start data should be run
 382             // from within a startup block, otherwise accessing this
 383             // module before startup completes will lead to failure.
 384             egStartup.go().then(function() {
 385
 386                 $scope.orgList = egOrg.list().map(function(org) {
 387                     return {
 388                         id : org.id(),
 389                         shortname : org.shortname(),
 390                         depth : org.ou_type().depth()
 391                     }
 392                 });
 393
 394                 if (!$scope.selected)
 395                     $scope.selected = egOrg.get(egAuth.user().ws_ou());
 396             });
 397
 398             $scope.getSelectedName = function() {
 399                 if ($scope.selected && $scope.selected.shortname)
 400                     return $scope.selected.shortname();
 401                 return $scope.label;
 402             }
 403
 404             $scope.orgChanged = function(org) {
 405                 $scope.selected = egOrg.get(org.id);
 406                 if ($scope.stickySetting) {
 407                     egCore.hatch.setLocalItem($scope.stickySetting, org.id);
 408                 }
 409                 if ($scope.onchange) $scope.onchange($scope.selected);
 410             }
 411
 412         }],
 413         link : function(scope, element, attrs, egGridCtrl) {
 414
 415             // boolean fields are presented as value-less attributes
 416             angular.forEach(
 417                 ['nodefault'],
 418                 function(field) {
 419                     if (angular.isDefined(attrs[field]))
 420                         scope[field] = true;
 421                     else
 422                         scope[field] = false;
 423                 }
 424             );
 425
 426             if (scope.stickySetting) {
 427                 var orgId = scope.hatch.getLocalItem(scope.stickySetting);
 428                 if (orgId) {
 429                     scope.selected = scope.egOrg.get(orgId);
 430                 }
 431             }
 432
 433             if (!scope.selected && !scope.nodefault)
 434                 scope.selected = scope.egOrg.get(scope.egAuth.user().ws_ou());
 435         }
 436
 437     }
 438 })
 439
 440 /* http://eric.sau.pe/angularjs-detect-enter-key-ngenter/ */
 441 .directive('egEnter', function () {
 442     return function (scope, element, attrs) {
 443         element.bind("keydown keypress", function (event) {
 444             if(event.which === 13) {
 445                 scope.$apply(function (){
 446                     scope.$eval(attrs.egEnter);
 447                 });
 448
 449                 event.preventDefault();
 450             }
 451         });
 452     };
 453 })
 454
 455 /*
 456 http://stackoverflow.com/questions/18061757/angular-js-and-html5-date-input-value-how-to-get-firefox-to-show-a-readable-d
 457
 458 This directive allows us to use html5 input type="date" (for Chrome) and
 459 gracefully fall back to a regular ISO text input for Firefox.
 460 It also allows us to abstract away some browser finickiness.
 461 */
 462 .directive(
 463     'egDateInput',
 464     function(dateFilter) {
 465         return {
 466             require: 'ngModel',
 467             template: '<input type="date"></input>',
 468             replace: true,
 469             link: function(scope, elm, attrs, ngModelCtrl) {
 470
 471                 // since this is a date-only selector, set the time
 472                 // portion to 00:00:00, which should better match the
 473                 // user's expectations.  Note this allows us to retain
 474                 // the timezone.
 475                 function strip_time(date) {
 476                     if (!date) date = new Date();
 477                     date.setHours(0);
 478                     date.setMinutes(0);
 479                     date.setSeconds(0);
 480                     date.setMilliseconds(0);
 481                     return date;
 482                 }
 483
 484                 ngModelCtrl.$formatters.unshift(function (modelValue) {
 485                     // apply strip_time here in case the user never
 486                     // modifies the date value.
 487                     return dateFilter(strip_time(modelValue), 'yyyy-MM-dd');
 488                 });
 489
 490                 ngModelCtrl.$parsers.unshift(function(viewValue) {
 491                     return strip_time(new Date(viewValue));
 492                 });
 493             },
 494         };
 495 })