有哪位大神用过angularjs?
我想咨询一下,在angular自定义指令中,创建一个可以随时修改的指令呢?比如创建一个bar,可以随时在controller中修改它的属性,或者通过service修改?有些困惑。。。
11 回复
IonicModule.constant('$ionicNavViewConfig', {
transition: 'slide-left-right-ios7'
});
IonicModule
.directive('ionNavView', [
'$ionicViewService',
'$state',
'$compile',
'$controller',
'$animate',
function( $ionicViewService, $state, $compile, $controller, $animate) {
// IONIC's fork of Angular UI Router, v0.2.7
// the navView handles registering views in the history, which animation to use, and which
var viewIsUpdating = false;
var directive = {
restrict: 'E',
terminal: true,
priority: 2000,
transclude: true,
controller: function(){},
compile: function (element, attr, transclude) {
return function(scope, element, attr, navViewCtrl) {
var viewScope, viewLocals,
name = attr[directive.name] || attr.name || '',
onloadExp = attr.onload || '',
initialView = transclude(scope);
// Put back the compiled initial view
element.append(initialView);
// Find the details of the parent view directive (if any) and use it
// to derive our own qualified view name, then hang our own details
// off the DOM so child directives can find it.
var parent = element.parent().inheritedData('$uiView');
if (name.indexOf('@') < 0) name = name + '@' + ((parent && parent.state) ? parent.state.name : '');
var view = { name: name, state: null };
element.data('$uiView', view);
var eventHook = function() {
if (viewIsUpdating) return;
viewIsUpdating = true;
try { updateView(true); } catch (e) {
viewIsUpdating = false;
throw e;
}
viewIsUpdating = false;
};
scope.$on('$stateChangeSuccess', eventHook);
// scope.$on('$viewContentLoading', eventHook);
updateView(false);
function updateView(doAnimate) {
//===false because $animate.enabled() is a noop without angular-animate included
if ($animate.enabled() === false) {
doAnimate = false;
}
var locals = $state.$current && $state.$current.locals[name];
if (locals === viewLocals) return; // nothing to do
var renderer = $ionicViewService.getRenderer(element, attr, scope);
// Destroy previous view scope
if (viewScope) {
viewScope.$destroy();
viewScope = null;
}
if (!locals) {
viewLocals = null;
view.state = null;
// Restore the initial view
return element.append(initialView);
}
var newElement = jqLite('<div></div>').html(locals.$template).contents();
var viewRegisterData = renderer().register(newElement);
// Remove existing content
renderer(doAnimate).leave();
viewLocals = locals;
view.state = locals.$$state;
renderer(doAnimate).enter(newElement);
var link = $compile(newElement);
viewScope = scope.$new();
viewScope.$navDirection = viewRegisterData.navDirection;
if (locals.$$controller) {
locals.$scope = viewScope;
var controller = $controller(locals.$$controller, locals);
element.children().data('$ngControllerController', controller);
}
link(viewScope);
var viewHistoryData = $ionicViewService._getViewById(viewRegisterData.viewId) || {};
viewScope.$broadcast('$viewContentLoaded', viewHistoryData);
if (onloadExp) viewScope.$eval(onloadExp);
newElement = null;
}
};
}
};
return directive;
}]);