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Pause slideshow when hovering over image?

Posted on 2011-03-03
10
Medium Priority
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432 Views
Last Modified: 2012-05-11
http://www.phoenixdigitalweb.com/Concepts/joeamato/
What code would be needed to pause the slideshow when a mouse hovers over the image?

It also needs to be setup where the catgeory name (bottom left) displays only on a mouse hover.

Thank you!
0
Comment
Question by:RiemenDesign
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10 Comments
 
LVL 8

Expert Comment

by:McNetic
ID: 35030926
Your document.ready method should be extended like this:

 
// hide categories first
  $('.titles').hide();
  $('.cycle_slider').cycle({
      fx:'fade',
      timeout: '4000',
      // pause slideshow on hover, see also also http://jquery.malsup.com/cycle/options.html
      pause: 1,
      cleartype:  1 // enable cleartype corrections
    }).hover(function() {
        // show category when hovered
        $(this).children(".titles").show();
      }, function() {
        // hide when no longer hovered
        $(this).children(".titles").hide();
      }
    });

Open in new window


Btw, with this page, the user will almost always hover the images. Where else should he put his mouse pointer? And how will he know there is a slideshow when the pointer is hovering the image on load?
0
 

Author Comment

by:RiemenDesign
ID: 35031363
Here is the code:

this is custom.js

Let me know if you need a different file:


/*
 * Lazy Load - jQuery plugin for lazy loading images
 *
 * Copyright (c) 2007-2009 Mika Tuupola
 *
 * Licensed under the MIT license:
 *   http://www.opensource.org/licenses/mit-license.php
 *
 * Project home:
 *   http://www.appelsiini.net/projects/lazyload
 *
 * Version:  1.5.0
 *
 */
(function($) {

    $.fn.lazyload = function(options) {
        var settings = {
            threshold    : 0,
            failurelimit : 0,
            event        : "scroll",
            effect       : "show",
            container    : window
        };
                
        if(options) {
            $.extend(settings, options);
        }

        /* Fire one scroll event per scroll. Not one scroll event per image. */
        var elements = this;
        if ("scroll" == settings.event) {
            $(settings.container).bind("scroll", function(event) {
                
                var counter = 0;
                elements.each(function() {
                    if ($.abovethetop(this, settings) ||
                        $.leftofbegin(this, settings)) {
                            /* Nothing. */
                    } else if (!$.belowthefold(this, settings) &&
                        !$.rightoffold(this, settings)) {
                            $(this).trigger("appear");
                    } else {
                        if (counter++ > settings.failurelimit) {
                            return false;
                        }
                    }
                });
                /* Remove image from array so it is not looped next time. */
                var temp = $.grep(elements, function(element) {
                    return !element.loaded;
                });
                elements = $(temp);
            });
        }
        
        this.each(function() {
            var self = this;
            
            /* Save original only if it is not defined in HTML. */
            if (undefined == $(self).attr("original")) {
                $(self).attr("original", $(self).attr("src"));     
            }

            if ("scroll" != settings.event || 
                    undefined == $(self).attr("src") || 
                    settings.placeholder == $(self).attr("src") || 
                    ($.abovethetop(self, settings) ||
                     $.leftofbegin(self, settings) || 
                     $.belowthefold(self, settings) || 
                     $.rightoffold(self, settings) )) {
                        
                if (settings.placeholder) {
                    $(self).attr("src", settings.placeholder);      
                } else {
                    $(self).removeAttr("src");
                }
                self.loaded = false;
            } else {
                self.loaded = true;
            }
            
            /* When appear is triggered load original image. */
            $(self).one("appear", function() {
                if (!this.loaded) {
                    $("<img />")
                        .bind("load", function() {
                            $(self)
                                .hide()
                                .attr("src", $(self).attr("original"))
                                [settings.effect](settings.effectspeed);
                            self.loaded = true;
                        })
                        .attr("src", $(self).attr("original"));
                };
            });

            /* When wanted event is triggered load original image */
            /* by triggering appear.                              */
            if ("scroll" != settings.event) {
                $(self).bind(settings.event, function(event) {
                    if (!self.loaded) {
                        $(self).trigger("appear");
                    }
                });
            }
        });
        
        /* Force initial check if images should appear. */
        $(settings.container).trigger(settings.event);
        
        return this;

    };

    /* Convenience methods in jQuery namespace.           */
    /* Use as  $.belowthefold(element, {threshold : 100, container : window}) */

    $.belowthefold = function(element, settings) {
        if (settings.container === undefined || settings.container === window) {
            var fold = $(window).height() + $(window).scrollTop();
        } else {
            var fold = $(settings.container).offset().top + $(settings.container).height();
        }
        return fold <= $(element).offset().top - settings.threshold;
    };
    
    $.rightoffold = function(element, settings) {
        if (settings.container === undefined || settings.container === window) {
            var fold = $(window).width() + $(window).scrollLeft();
        } else {
            var fold = $(settings.container).offset().left + $(settings.container).width();
        }
        return fold <= $(element).offset().left - settings.threshold;
    };
        
    $.abovethetop = function(element, settings) {
        if (settings.container === undefined || settings.container === window) {
            var fold = $(window).scrollTop();
        } else {
            var fold = $(settings.container).offset().top;
        }
        return fold >= $(element).offset().top + settings.threshold  + $(element).height();
    };
    
    $.leftofbegin = function(element, settings) {
        if (settings.container === undefined || settings.container === window) {
            var fold = $(window).scrollLeft();
        } else {
            var fold = $(settings.container).offset().left;
        }
        return fold >= $(element).offset().left + settings.threshold + $(element).width();
    };
    /* Custom selectors for your convenience.   */
    /* Use as $("img:below-the-fold").something() */

    $.extend($.expr[':'], {
        "below-the-fold" : "$.belowthefold(a, {threshold : 0, container: window})",
        "above-the-fold" : "!$.belowthefold(a, {threshold : 0, container: window})",
        "right-of-fold"  : "$.rightoffold(a, {threshold : 0, container: window})",
        "left-of-fold"   : "!$.rightoffold(a, {threshold : 0, container: window})"
    });
    
    
    
})(jQuery);

Open in new window

0
 

Author Comment

by:RiemenDesign
ID: 35031368
Where would I put it in that file?

Thank you.
0
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LVL 8

Expert Comment

by:McNetic
ID: 35034363
The code I posted should replace the following code your html page:

    $('.cycle_slider').cycle({
    fx:'fade',
	timeout: '4000',
	cleartype:  1 // enable cleartype corrections 
	});

Open in new window


0
 

Author Comment

by:RiemenDesign
ID: 35044290
OK, I replaced that but you can see that it messes everything up.  What are your thoughts?

http://www.phoenixdigitalweb.com/Concepts/joeamato/
0
 
LVL 8

Expert Comment

by:McNetic
ID: 35044896
There is a ) missing in my source, it should be:

// hide categories first
  $('.titles').hide();
  $('.cycle_slider').cycle({
      fx:'fade',
      timeout: '4000',
      // pause slideshow on hover, see also also http://jquery.malsup.com/cycle/options.html
      pause: 1,
      cleartype:  1 // enable cleartype corrections
    }).hover(function() {
        // show category when hovered
        $(this).children(".titles").show();
      }, function() {
        // hide when no longer hovered
        $(this).children(".titles").hide();
      })
    });

Open in new window


Try this again.
0
 

Author Comment

by:RiemenDesign
ID: 35047039
http://www.phoenixdigitalweb.com/Concepts/joeamato/

The photos appear, but when hovering the slideshow does not pause and the category does not appear on the bottom left.

Any other thoughts?
0
 

Author Comment

by:RiemenDesign
ID: 35047060
OK my apologies.  It does pause the slideshow.  THANK YOU.

Just not showing the category.
0
 
LVL 8

Accepted Solution

by:
McNetic earned 2000 total points
ID: 35047673
Ok. There is another error in my code. Try this:
  $('.titles').hide();
  $('.cycle_slider').cycle({
      fx:'fade',
      timeout: '4000',
      // pause slideshow on hover, see also also http://jquery.malsup.com/cycle/options.html
      pause: 1,
      cleartype:  1 // enable cleartype corrections
    });
	$('.cycle_slider .loading').hover(function() {
        // show category when hovered
        $(this).children(".titles").show();
      }, function() {
        // hide when no longer hovered
        $(this).children(".titles").hide();
      })
    });

Open in new window

Instead of show() and hide(), you can also use other effects like fadeIn() and fadeOut() for smoother transition.
0
 

Author Comment

by:RiemenDesign
ID: 35047923
Worked.  Thank you!
0

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