Why do I get two different answers for the current through the 47 k resistor when I do a source transformation? That code expands parent menu items if one of the children is associated with a URL that the user is currently viewing. The @Component decorator includes the usual declarations you're used to seeing by now, except for that last one: animations. It will use those classes to respond to changes in the screen size. What you're looking at above is the function that gets executed when a user clicks on a link in the sidebar menu. How many characters/pages could WordStar hold on a typical CP/M machine? I seem to be stuck on what I'm guessing is another low level issue - I still can't get the window.$ right. That means the entire path has to match the empty string for a match. On smaller screens, though, the sidebar is closed and the user opens it with a menu icon on the top bar. You should see the sidebar disappear while the menu icon appears in the top bar. The element gives you the sidebar itself. The object must have the following structure. The fxHide directive hides the menu icon by default. After all, you'll probably want some actual content in there. The iconName property is the name of the Material Design icon that will appear next to the text on the menu item. That's necessary because the component will need to release resources held by MediaObserver. I try to implement dynamically generated tree menu. If not, then the application takes the user to the URL associated with that menu item. In React js if i reload on some other page and come back to the sidebar-menu page the sidebar menu stops working then i have to reload the page again ,then the side bar menu treeview works. Remember: the menu item is highlighted when its route is the same as the URL the user is currently viewing. Once you're ready to test, though, head back to your command line and get the app started with: Now, click on the User menu item. i imported the AdminLte in script's area how to global Next, the code declares a couple of members using the @Input decorator. You signed in with another tab or window. The sidebar menu will sit underneath that. How to Create Production-Grade React Applications, Javascript: Understanding the weird parts, 4 steps to add cool sliders to your website, Handtrack.jslet the flames dancing in your hands. Refreshing page fixes this but this its not a solution. You can see the component on the . I suspect something is off with my project; I either keep getting TypeError: window.$ is not a function or (when trying it with just $ instead of window.$): TypeError: trees.Treeview is not a function. But, if i navigate from loginPage to "homePage" the treeview menu was not working. Before you can create a sidebar menu, you first need to create a top toolbar. my issue is : after login i ll redirect to dashboard. In my analysis i see that adminlte.js file initializes treeview plugin in the document.load function, but, in this momment, the DOM will not have the treeview elements. If it's already opened it will be closed. But in the case of FeaturesComponent, the empty string represents only the beginning of the path. To defer initialization until the menu is open, the content can be provided as an ng-template with the matMenuContent attribute: < mat-menu # appMenu = "matMenu" > < ng-template matMenuContent > < button mat-menu-item > Settings </ button > < button mat-menu-item > Help </ button > </ ng . Why do missiles typically have cylindrical fuselage and not a fuselage that generates more lift? Modified 7 years, 11 months ago. Simple use of flex to separate your menu item text from the twistie. What's that doing? That gives Angular the ability to reference the element with a variable. At the top, the CSS gives the sidebar menu a height of 100%. Open the menu but cannot close. Setting up our project, Let's first set up our Angular project by running the following commands on our terminal (with the Angular CLI). When there's any kind of change in media (for example, the user shrinks the browser window), the app will call the handleMediaChange() function that you'll see below. Please let me know how this issue can resolve. Fortunately, you've already done all the work for that. Now, focus on the three class members. Edit features.component.html and add this code: The element gives the game away, doesn't it? For anyone who is struggling with this. Steps that need to be taken in order to step up our angular material project initially. That tells Angular Material that this is a menu item in a navigation list because it's a child of . one other thing make sure you call useEffect in the component which has the navbar HTML or has the data-widget otherwise calling it in another component wont work unless the component with the widget is in the rendered component tree. To check if an element is visible in the viewport, you use the following isInViewport() helper function: An Angular app contains a tree of Angular components. Why is it under features/ui? See what happens if you add content where it reads "dashboard works!" p-sidebar-close: It is the close anchor element. Call it service. The first property, opened, indicates whether the sidebar is opened or closed. Then, it sets depth to 0 if it's undefined. You'll also need to eliminate any references to it in app.module.ts. this.router.navigateByUrl('/') or . On collapse, the LI elements of TreeView show icons only to represent the short sign of the hidden text content. As per the example you have used. Creating Angular application & module installation: Step 1: Create an Angular application using the following . At the end well have the finalMenu variable populated with the menu. You can download it by typing the below command on your command to make sure you have already installed the node. // Plugin.call($(this)) in mounted() i cloned the code, mounted() { $('[data-widget="treeview"]').each(() => { AdminLte.Treeview._jQueryInterface.call($(this), 'init'); }); }. Stack Overflow for Teams is moving to its own domain! That's how you tell TypeScript to create an array and export it at the same time. But this link isn't really standard, is it? The route property tells the app where to send users who click on that menu item. Tree menu nodes which have childs keep opened when they should be closed/collapsed after i click another nodes in the tree menu. const index: number = menu.indexOf(menuItem); import { Component, OnInit, Input } from ,