Trying to build a one page app, it will have a search div then a results div.
export class AppComponent implements OnInit{
// Div visability.
searchVisible = true;
resultsVisible = false;
}
<div class="container">
<search *ngIf="searchVisible == true"></search>
<results [resultsVisible]="resultsVisible" *ngIf="resultsVisible == true"></results>
</div>
Once results component get data back from the search form, it will switch resultsVisible to true so I am passing resultsVisible from AppComponent to ResultsComponent.
However this is not working atm.
Im not sure if that hows other people do it but I am still having trouble to hide/show the divs correctly.
Can someone please show me an example of how a "one page" app works in Angular 2 with hiding/showing elements.
Thanks
Try using [hidden]. Something like this
<div class="container">
<search [hidden]="!searchVisible"></search>
<results [hidden]="!resultsVisible"></results>
</div>
Related
I have a simple react app, and im trying to add a simple loading overlay.
I saw the most common usage is react-loading-overlay.
My main app.js structure looks like that, I have a simple menu and a deck.gl map
<div className="container">
<AppMenu/>
<div className="deckgl_map">
<DeckMap/>
</div>
</div>
If I get it correctly, to use the loading overlay, I need to do something like that (using true for testing):
<LoadingOverlay
active={isActive}
spinner
text='Loading your content...'
>
<div className="container">
<AppMenu/>
<div className="deckgl_map">
<DeckMap/>
</div>
</div>
</LoadingOverlay>
But once I do that, my entire app page, instead of filling the whole screen, just takes the top 20% of the screen (and the rest is empty white).
Why wrapping my component with the LoadOverlay component causes the whole page to look weird?
Do I need to "play" with the CSS for the LoadOverlay component?
I don't know if there is a bug in ngDialog side or there is something which I am missing but I am not able to see ngEnter/ngLeave class getting added.
My ngDialog rough Html template :
<div class ="Ng-dialogBG"
ng-swipe-right="swipeRight()"
ng-swipe-left="swipeLeft()">
<div ng-show="currentID==2" class="canvas-holder" id={{currentID}}>
<avatarCanvas>
</avatarcanvas>
</div>
<div ng-show="currentID==3" class="canvas-holder" id={{currentID}}>
<avatarCanvas>
</avatarcanvas>
</div>
</div>
CSS :
.canvas-holder.ng-enter{
background-color:blue;
}
.canvas-holder .ng-leave{
background-color:black;
}
So just for testing I have used a simpler form of the code, and even then I don't see the ngEnter class being added. Swipe action changes the respective currentID in the controller to get a particular div.
PS : I have used ngSwipe, ngAnimate in my project, thus the modules have been added properly.
So is it something on the ngDialog part or am I missing someting?
I am studying AngularJS by looking at the website http://campus.codeschool.com/courses/shaping-up-with-angular-js/contents and downloaded the videos, then going through the examples on my computer.
Everything went well until the video codeschool_1329.mp4, otherwise called "Shaping_Up_With_Angular_JS_Level_2b". The example works correctly when the logic for selecting the panels is in the HTML code, but when the logic is moved to a controller, it no longer works correctly. Thus I have the relevant HTML code:
<section ng-controller="PanelController as panel">
<ul class="nav nav-pills">
<li ng-class="{active:panel.isSelected(1)}">
<a href ng-click="panel.selectTab(1)">Description</a>
</li>
<!-- Repeated for Specifications and Reviews -->
</ul>
</section>
<div class="panel" ng-show="panel.isSelected(1)">
<h4>Description</h4>
<p>{{product.description}}</p>
</div>
<!-- Repeated for Specifications and Reviews -->
and for the JavaScript code I have:
app.controller('PanelController', function(){
this.tab = 1;
this.selectTab = function(setTab){
this.tab = setTab;
};
this.isSelected = function(checkTab){
return this.tab === checkTab;
};
});
exactly as in the video. The latter is with the Angular module and another Angular controller for the store.
With both Google Chrome and Firefox, when I click on the each of the tabs "Description", "Specifications" and "Reviews", the selected tab is highlighted, as in the video, albeit blue rather than dark purple, but the text that is supposed to be displayed below the selected tab does not show up at all. It looks as if there is some type of a problem with the isSelected function in PanelController with ng-show="panel.isSelected(1)", etc. in the lower part of the HTML code, although it appears to work correctly with ng-class="{active:panel.isSelected(1)}" when the tab is highlighted.
This works correctly when the logic for this is in the HTML code, as I said above, but no matter what I can do, I am unable to get this to work correctly when the logic is in PanelController.
There must be something simple that I am missing, and would be grateful to get this sorted out - many thanks.
<section ng-controller="PanelController as panel">
...
</section>
<div class="panel" ng-show="panel.isSelected(1)">
Only the section element is controlled by the panel controller, but you're trying to use panel.isSelected(1) out of that section. So that can't work.
Put the div inside the section, or wrap everything with another div and move ng-controller="PanelController as panel"to that wrapping div.
So I'm trying to build a full page in Reactjs but some components are persisted throughout pages. The structure is something like this:
<div>
{showHeader ? header : ''}
{showNav ? nav : ''}
<div className="main">
<section className="left">
{this.props.children}
</section>
<section className="right>
<section className="persist-this"/>
{moreStuff}
</section>
</div>
</div>
During rerendering is the structure change is significant enough (changing from a page with header & nav to no header/no nav the persist-this section will be re-rendered as well.
Right now I'm actually doing React.renderComponent for each individual pieces & keep the structure static (so like renderComponent for header, nav, left section & moreStuff separately) & I wonder if there's a better way to doing this?
EDIT: I think I do know why this got re-rendered. I guess my question now becomes more like how to organize my structure better. So I got BasePage.jsx which has the structure above & in other pages (like HomePage.jsx or OtherPage.jsx) I do:
var HomePage = React.createClass({
render: function () {
<BasePage>
<p>Home</p>
</BasePage>
}
});
I think when I do React.renderComponent it see <HomePage> & <OtherPage> as 2 completely different Components although they are wrapped by the same <BasePage>, thus unmounting the Page. Should I separate the differences of those pages into mixins?, then always renderComponent(<BasePage>, el) to prevent unmounting?
If something persists between pages, the correct way to do it would be to separate your structure so that whatever persists only shares an ancestor which also persists.
In other words, you should structure it like this:
<div id="siteRoot">
<div className="dynamic">
{showHeader ? header : ''}
{showNav ? nav : ''}
<div className="main">
<section className="left">
{this.props.children}
</section>
</div>
</div>
<div className="persist-this">
<section className="right>
<section/>
{moreStuff}
</section>
</div>
</div>
Then your css should adapt to your new dom hierarchy and update your layout accordingly.
Now when you switch content in your dynamic section, React will automatically know that it doesn't need to re-render anything in the persist section - since nothing was changed there.
I have 2 CakePHP pages. Both of them use angularjs. Here's a snippet.
/items/items.ctp
<div id="ng-app" ng-app>`
<div ng-controller="ItemController">
Add
</div>
</div>
the function showAddPopup is defined as follows
$scope.showAddPopup = function() {
$.colorbox({href:'/items/add/' + $scope.order.id,open:true,close : "x", onClosed:function(){}});
}
/items/add.ctp
<div id="ng-app" ng-app>`
<div ng-controller="AddController">
<h2>{{order.label}}<h2>
</div>
</div>
Now, when I click on the add link from items view, I get a popup with the contents of add.ctp. But the problem is that instead of showing order label say 'My Order', the h2 tag is showing {{order.label}}
When I open add view from a page that doesn't use angularjs I get a proper result. What am I doing wrong. Please help. I have already wasted many days on this.
Maybe opening the colorbox with setting iframe could be the solution, if the problem is nested ng-apps.
$.colorbox({inline:false; iframe:true;href:'/items/add/'...});
If you are using bootstrap then angular-ui would be a great choice for above scenario