I have a big html page, like 4000x6000 px with images and text.
I'd like to have something like a map overview of this page in a small div. A scaled version of the whole page which i could use to navigate.
Does anyone know some js script or example how to do that? Thanks.
Here's the basic framework of how you would do it:
Find a way to take a screenshot of the whole page. Then, resize it down with a scaling factor (like 1/25th).
In the corner of the page, overlay an image. Create an event handler that reacts to where you click on the image. Inside of the event handler, find the location of where the image was clicked (ie x-coordinate, y-coordinate).
Use the reciprocal of the scale (perhaps x25 if the scale was 1/25th) to get the actual dimensions of the page. Use jQuery to scroll to that location.
If you need any help with one of these steps, let me know; this is just to get you started.
I can't think of a single way to do that in html/javascript, for am image sure, but for an entire page?. If the site was built in flash... but short of that, I think you may be S.O.L. sorry. Why is your site so big anyway? That is far beyond the avg users resolution, and violates about 15 usability rules.
Related
I need to use image map in my website, to add different links to each part of image.
But I have problems with its responsiveness. I couldn't change map area's size while resizing window.
Can anyone help me with this? The method is not important, I can use either Js or Css.
Update:
I used http://mattstow.com/experiment/responsive-image-maps/rwd-image-maps.html for responsiveness, but it affects on map area coords. When I reload the page, map coords are all 0, those are being updated only after resizing the window.
Do anyone have this problem too?
Imagemap is a very Old way to create websites I preffer using photoshop image sÃlice and save as html maybe you should try it ir you will use non dynamic images that way you can fix width and height and a lot more
If you have the image saved as a vector image, you could save it as an SVG and use RaphaelJS. I've only recently picked it up but it is quite easy to use once you get the hang of it.
You can assign links, style and hover events to each node attribute, and Raphael allows you to set the viewBox so that it scales on resize (can't link as rank not high enough - help can easily be found on SO though)
Here are some examples of using RaphaelJS: LINK1 LINK2
And check out jsfiddle.net/AUNwC/294/ for example of each node having a responsive clickable area (resize window to check)
Ok, I've seen a trend where a fixed/absolute element will automatically hide itself from the view if the browser is less than a certain size, recently I've come across a client who wishes to have such a thing on a couple elements on there page. But I'm not sure how to approach that. Whats the best way to handle this type of action like what would I need to bind to, or what event do I have to be mindful of to say if the window is less than x wide or z tall hide this element and that element. The hiding part I can handle through a nice animation of sorts but just don't know which event to be mindful of.
how about http://api.jquery.com/resize/
Need your help.
I created a static semi-opaque banner which stays at the top of a website. When a user scrolls the website the entire container objects goes underneath the banner. I want all the objects (images, text..etc) getting blury effect as it goes underneath the banner.
Thanks
The only way you're going to be able to do this is by getting fancy with some CSS and javascript. CSS doesn't support blur directly, but you can emulate it with text-shadow. Images can also be blurred with a little jquery/css/javascript magic, but will be problematic because you can't partially blur an image (what happens when only part of the image is under the banner?). It could probably be done by layering your images and keeping track of their position on screen, but all of this seems like a lot of work for a very small return.
So, assuming you've decided to give all of this a shot, you're going to have to use javascript to determine which parts of the page have passed under the banner and apply the style to those parts. The difficulty of this task will scale with the complexity of your page layout. In a best case scenario, your banner and content container are both 100% the width of the html body. At this point, it would be fairly trivial to write some kind of scanner that traverses the dom every time you page scroll to find elements that the blur should be applied to. However, best-case-scenario is rarely the case at hand, at which point I'd recommend abandoning the effort to pursue something with a greater ROI.
This isn't possible with CSS nor jQuery. You might be able to do something with IE's filters, however that's IE only (of course), and will invalidate your CSS.
Currently, there is no way to do this, although something might come along in CSS 4 or something.
The Chrome nightly builds support some filters, however there isn't an alpha blur filter (yet, at least).
Sorry maybe I was not clear in my original question below...
What I am looking for is a way to get a popup to move inside the windows viewable area (not actually create the popup itself). As seen in Google image's when you mouseover a image at the edge of the screen, somehow (which is what I want to know), the script detects that there is not enough space for the popup to appear in the window, so it pushes it inside the viewable range.
So I want to know how this is determined and calculated.
How can I use javascript to make sure
a popup div fits inside the window
when it appears?
A good example is google's image
search. When a image does not fit in
the window (either it is the far right
most or bottom most image), somehow it
is pushed inside when the popup is
opened with the mouseover event. How
is this calculated and how can I
create a script to calculate this.
you can use already build pop-up box/overlay window js library. Use jQuery js framework and go for any plug-in that provide you the same feature. I recommend you to use facybox http://fancybox.net/ with jQuery which makes this very easy.
There's no "use this code in your JS file" fix for this but the general idea is to reposition and override the offsets of the element in question, taking into account the viewport's bounds (to state the obvious).
For example, a couple of good tooltip plugins for jQuery support this behaviour, such as bassistance's jQuery Tooltip Plugin and also qTip. It might be worth digging into their source and seeing how they handle this.
This is one of the best i've come across http://gettopup.com/
I need to determine the width and height of the current mouse cursor used on our webpage.
I need to show a div right under the cursor, and possibly to the right of it.
So I need to determine the offsets of my div from the exact pointer location, so the cursor do not cover up the div.
The mechanism will be used in intranet system, so it can be firefox-only solution.
Unfortunatelly some people here use weird cursors, anyway, big ones, so I cannot just hardcode eg, 16px right, 16px top offsets. Anyway, I don't want if I don't have to.
Thanks for your help.
You can't do it. Anyone can set their cursor to any arbitrary garbage, and there's no API for asking from the browser.
I don't think this it is possible to determine any more than the cursor center within the browser. It surely can be done using a custom-made Firefox extension but I doubt there are any around for this specific task.
While size is not possible, there are jQuery addons like SimpleTip and qTip that let you create fixed-position tool tips that don't close until something happens (like the user clicks on it). The content of the tool tips can be wrapped in divs.