The application has a Home item in the navigation bar (the item is in all the pages). I would like that when the home item is clicked, based upon the page number a warning box is shown to the user warning them, that all unsaved work will be lost. If the user presses yes, he or she will be taken to the application home page and nothing will be saved. If they press no, he or she will stay in the page.
Currently this dialog box shows up in every page. In Oracle Application Express, shared components > navigation bar > target area, these are my settings:
Target type = url
URL target =
javascript:if(confirm('All unsaved work will be lost?'))
{window.location.href ='f?p=&APP_ID.:1:&SESSION.:&APP_PAGE_ID.';}
I would like this behavior to only occur in a select number of pages. When a user clicks on the pages not included in this list, the warning box should not be shown and the user is taken to the application home page.
What you'd want is a dynamic action which targets the navigation bar entries. However, there is simply no easy way to selectively enable or disable this action on select items save for testing the text of the anchor tag. That would mean you'd be hardcoding values in your dynamic action to test the links, which i will not recommend.
There are no classes that can be assigned, and no onclick events.
You could use the code you posted, and have a javascript function which takes a page id as input parameter and then checks the page id against a list of pages which allow the action, but again complicated. It could be made dynamic with some ajax, but since you're unfamiliar with javascript it's better to first get accustomed with it before tackling that.
So, instead of inventing something like this, take a look at this save before exit plugin. It will check for unsaved changes, and you can add this just to the pages you want it on.
Related
How do I, using JavaScript, retain the state of the search page, when a user clicks into a search result, but then goes back to the main search page.
e.g.
HTML:
https://startech-enterprises.github.io/docs/guides/data-analytics/data-analytics.html
There are 5 elements that determine what is shown on the page:
What tags are clicked in the three filter menus, on the side
What search term is typed into the search menu bar, at the top
The pagination page that is selected, at the bottom
Problem is that whenever I go into the search result, and navigate back to the main search page, the search page resets itself, so I have to re-enter the search criteria again - which can be quite annoying.
If I click 'back' in the browser, the search page state is retained, but the search script stops working. Also, using the 'browser' back button only goes back one 'link' - so if the user clicks on several links in any page (returned from the search), they have to press the 'back' button many times, to get back to the main search page - which again isn't ideal.
Any ideas on how to solve this? Would seem like a fairly common problem?
The site is purely static, (generated using Markdown and Jekyll). Site interactivity is set with Vanilla JavaScript, and SASS/SCSS.
Pls do help!
Many thanks in advance.
Sachin
UPDATE: This has now been solved based on the answers given below
You can simply do it by saving the data in users device . You can do it by using cookies or by localStorage. I prefer localStorage because users can deny cookies easily.
Like this-
localStorage.setItem("tags",tagItemsInAnArray);
And laterlocalStorage.getItem("tags");
You can use localStorage to keep the search filter data. The concept is to keep all filter data in an array and keep that array in the localStorage of the browser before any redirection. Here is an official documentation with implementation of localStorage.
Here is a demo:
//before redirection
let filterData = [];
localStorage.setItem("searchFilter", JSON.stringify(filterData));
//after page-load
let cachedFilterData= JSON.parse(localStorage.getItem("searchFilter"));
if(cachedFilterData.length>0){
//cache data exist
}
//when you need to delete cache
localStorage.removeItem("searchFilter");
I'm developing a Webpage at the Moment (one single index.html). I got a navbar at the top which contains links to hash refrences (IDs of DIVs). If the user allows JavaScript the links in the navbar are used to execute a Javascript function with the onclick Attribute. Links are suppresed then. The Javascript function disables following the link to the hash reference and hides all divs except the selected one.
What to do to store the state of the page (which divs are hidden and which are visible) in the bookmark when user adds a bookmark to his browser? How to add browser history with the same meaning?
You can use search params to keep track of the page state. Then in your javascript on page load read the search params and reconstruct the page structure to match the params in the url.
I want to build an interactive page within a website. On this page i want to put a list of items, that people can choose from, in order to bring one of them to a certain event/party.
Once a user choses an item via a confirm pop up box, i want the button to be ultimately disabled, even if the user opens the page again or another user opens the page.
I want this event to happen within a conditional statement in JavaScript somewhat like this:
if (confirm("Do you really want to bring this item to the event/party?") == true) {
HERE I WANT TO PUT THE CODE THAT IS NECESSARY!
} else {
}
I don't think you can do this with pure JavaScript, because JavaScripts loads everytime the page gets refreshed. Are you getting your data from a database? If so, you could add another field to your table e.g. "party" with the name "active". If the user clicks on a button, the party would be inactive and not showing up anymore.
But as I said, I think it's not possible with only JavaScript.
PS: Greetings from Germany ;)
You can't do this with JavaScript alone. You will need to employ some server-side scripting and (ideally) a database to store who has selected what so that you can "prevent" someone else from selecting the same item.
Your system should also include a user registration process so that you can tie your products to events and then tie users to the products they have selected for the event.
Thus:
User registers -> they select an event -> they select a currently available product -> some confirmation occurs which then flags the database that anyone else is unable to select this product for the chosen event. The confirmation can be achieved with standard forms processing methods or AJAX...
Once a user choses an item via a confirm pop up box, i want the button to be ultimately disabled, even if the user opens the page again or another user opens the page.
Javascript can't preserve these types of states. It only runs in users browsers. You can't save it to cookie either. Saved cookie is only useful for certain users certain browser. You have to save this data in your server (preferably in database) from where you can read this item is chose by a user. And then you can decide from client when to disable the button.
I have a web page (all done in client side code) where users can add certain page elements dynamically through different buttons.
For example, they can click a button called "Add Group" and input a group name. This will create a <div class="customGroup"> that displays the group as the "title" among some other buttons that let them add even more elements within that newly created <div>.
I want to be able to store what a user did and not have it lost if they do something like close & reopen the window or reload the page. So for example, if they add a group "Foo" and refresh the page, given that the page is all HTML/JavaScript, "Foo" is lost.
Is there some way I could record their actions and re-execute them using caching/cookies? Or do I need to do it some other way? Is this even possible?
I would suggest using localstorage to keep this data around, across windows opening and closing.
You can find out what the user clicks on by attaching an event listener to the elements you care about. The functions you pass in there can keep references to the clicked items by pushing them to an array. Then you can click them when you want to using .click().
As for text the users enter when the data is submitted, make sure its in localstorage as a string. On page load, you can put this data wherever you want to, so give it to an elements innerHTML and voila, you can reconstruct the page state.
hey i am working on a website that has multi language support in HTML I have different pages for each and every functionality Now say if the user select a particular language like say Chinese and is on the HOME page and wants to navigate to CONTACTUS page,but when the CONTACTUS page loads it load in ENGLISH which is a default language which is wrong if the user has selected Chinese the CHINESE's pages should only be loaded how can i go about
Save the Selection in SESSION['LanguageName'] and on different pages, retrieve the value in SESSION['LanguageName'] and load the dropdown and page accordingly.
An option would be using SESSION variables to remember the selection and then when the user opens a new page, check that variable and load the corresponding language.
Another option is to use a URL parameter to identify the language, like ?lang=ES. This is better for search engines indexing. Again, when the user enters on a page, check that variable and load the corresponding language. All links on the page should have this parameter too, to keep the language.