or maybe this is what I need to do: To find out which particular set of rows of the flexTable are visible in the current view port (window being displayed to the user ) of the user.
does anyone know how I could do this? Thanks again Shivi On Apr 5, 3:46 pm, Shivi <[email protected]> wrote: > Another explanation of my problem:- > > I want to pre-fetch the images around (on either side of) the > currently viewed ones > > If the user (say) drags the scroll bar a long way up or down out of my > pre-fetch window > I am no longer pre-fetching and need to get what the user has dragged > to now ..so that I can display the page. > > How can I know where themouseis in the current view-port? > > Thanks again for any help. > Shivi > > On Apr 5, 3:06 pm, Shivi <[email protected]> wrote: > > > Hi > > > I am trying to implement this new functionality in an online shop that > > sells watches using AJAX and GWT. > > > I am displaying a list of products in a scrollPanel. > > > What I need to do is this:- > > > Imagine there being 100 products. > > I populate the scoll panel with information about those 100 products > > in aflexTable. First column shows an image of the watch. second > > column shows the product information. > > > If user can see the 5th, 6th and 7th product from the table and then > > he scrolls down fast and reaches the , lets say, 50, 51 and 52nd > > product . I want to display only thoseimagesthat are viewable to the > > user. (and maybe at the same time load some moreimagesaround that > > particular number of product image visible..i.e. from 47th - 55thimages) > > > This way I somehow reduce the load on the network by not displaying > > all the 100imagesin one go. > > > I think this is something like predicting user behavior .. Like the > > way in google maps, theimagesare loaded only after the user scrolls > > left , right , up down etc. Although I do know that google maps loads > > the whole map in one big image and then displays the bits of the image > > as the user scrolls. > > > How can I know which particularsetof products (images) the user is > > viewing (i.e the user'smouseispointingat)? > > > Thanks in advance for your help. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/Google-Web-Toolkit?hl=en -~----------~----~----~----~------~----~------~--~---
