* and executes viewer.js on said image once it loads client-side. * Constructor creates a client-side 'wait for load' function Import .connectors.WaitForImageLoadExtension This file is a simple javascript function that will trigger the server-side method when/if the image has been rendered (completed) or fires a javascript alert with an error message if image fails to render. The vaadin:// prefix refers to a specific location in our web application: Public class WaitForImageLoadExtension extends AbstractJavaScriptExtension ) which points at a specific file. Import "vaadin://connectors/wait-image-load.js" }) Previously, they would need to download the image, open it up in some image viewer/editor and try to manipulate and zoom etc. A feature-rich photo viewer plugin in pure JavaScript that displays all your images in a responsive, draggable, navigatable, resizable, maximizable dialog window. ![]() The details of this are outside the scope of this writeup, but needless to say, the operators needed to be able to quickly and easily pan, zoom and rotate a high-resolution image within the same browser they are using to access our system. This is the situation I found myself in when I wanted to use the excellent viewer.js to allow our spacecraft operators to quickly and easily view images from our satellites and also waterfall plots of the TX/RX signals between our ground stations and satellites. ![]() but with a few extra things we need to address when working with VAADIN specifically. Good news is that is very possible and straight-forward. I've been using VAADIN for several years now and have found it largely alleviates a lot of the development burden commonly found in small development teams (read under-resourced) that perhaps are very strong on Java but still might be developing their javascript, html, CSS (or SCSS) skills.Īlthough VAADIN has a very good directory of web and server-side components, sometimes you might just want to implement a javascript library you prefer (or wrote yourself) into your application. $('.enlargeImageModalSource').attr('src', $(this).VAADIN is a fantastic framework for building web applications in Java. More info will come soon, once I've been able to test it some more, and add a few more tweaks to it, but it's on the Play Store now for 99p. It used GPS and some fancy maths to give you lap times of any type of circuit you might go round. My new app has just hit the Google Play Store, based on things I learnt doing Ride Out Buddy, this time it's a simple Lap Timer. It's a small difference from the usual 4 lights giving you a rough idea, but it's actually very handy. I think this is perhaps the first portable battery I've been sent that has a digital display showing how much power is left in it. I think next I need to go back to my very first app, Multi Kitchen Timer and see if I can make that a little prettier and more user friendly. I realise these were not giving my apps a good look, so I've gone darker, squarer and simpler. Something else I learnt early on was making nice round buttons, with a colourful edge to them. I'm very much learning Android as I go and recently I learnt about the Navigation Drawer (the slide in from the side menu) and it lead to me going back to my first apps and upgrading their 'User Interface'. Categories > Programming Languages > Javascript. The Top 131 Javascript Image Viewer Open Source Projects. When I use the code a second time in the page (in a collapsible concertina) it darks the screen like it's about to load, but then nothing shows.Ĭlick on 'New App - Lap Timer Buddy' to see the images that don't work. Browse The Most Popular 131 Javascript Image Viewer Open Source Projects. I have some code that lets me post thumbnails, you click them, the image loads larger for the user. I'm very new to HTML and dabbling in some bootstrap to make a website but have come across a problem.
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