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Trigger event #15

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cb61eed
removal of duplicate var declarations and correct scoping with $.proxy
tomasvanrijsse Jan 13, 2015
a99d5f8
trigger event on an element when the height changes
tomasvanrijsse Jan 13, 2015
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5 changes: 4 additions & 1 deletion demo.html
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,9 @@ <h1>Demo</h1>
<script type="text/javascript">
jQuery(function($) {
$('.element').responsiveEqualHeightGrid();
$('.element:first').on('heightResize',function(event,equalHeight,originalHeight){
console.log(equalHeight,originalHeight);
});
});
</script>

Expand All @@ -25,7 +28,7 @@ <h1>Demo</h1>
Sed sed mi mauris. Etiam aliquam lacus sed odio aliquet tristique. Nunc facilisis, tellus a blandit luctus, libero ipsum malesuada lorem, in interdum velit quam sit amet eros.Sed sed mi mauris. Etiam aliquam lacus sed odio aliquet tristique. Nunc facilisis, tellus a blandit luctus, libero ipsum malesuada lorem, in interdum velit quam sit amet eros.
</div>
<div class="element">
Sed sed mi mauris. Etiam aliquam lacus sed odio aliquet tristique. Nunc facilisis, tellus a blandit luctus, libero ipsum malesuada lorem, in interdum velit quam sit amet eros.Sed sed mi mauris. Etiam aliquam lacus sed odio aliquet tristique. Nunc facilisis, tellus a blandit luctus, libero ipsum malesuada lorem, in interdum velit quam sit amet eros.Sed sed mi mauris. Etiam aliquam lacus sed odio aliquet tristique. Nunc facilisis, tellus a blandit luctus, libero ipsum malesuada lorem, in interdum velit quam sit amet eros.
Sed sed mi mauris. Etiam aliquam lacus sed odio aliquet tristique. Nunc facilisis, tellus a blandit luctus, libero ipsum malesuada lorem, in interdum velit quam sit amet eros.Sed sed mi mauris. Etiam aliquam lacus sed odio aliquet tristique. Nunc facilisis, tellus a blandit luctus, libero ipsum malesuada lorem, in interdum velit quam sit amet eros.
</div>
<div class="element">
Sed sed mi mauris. Etiam aliquam lacus sed odio aliquet tristique. Nunc facilisis, tellus a blandit luctus, libero ipsum malesuada lorem, in interdum velit quam sit amet eros.Sed sed mi mauris. Etiam aliquam lacus sed odio aliquet tristique. Nunc facilisis, tellus a blandit luctus, libero ipsum malesuada lorem, in interdum velit quam sit amet eros.Sed sed mi mauris. Etiam aliquam lacus sed odio aliquet tristique. Nunc facilisis, tellus a blandit luctus, libero ipsum malesuada lorem, in interdum velit quam sit amet eros.Sed sed mi mauris. Etiam aliquam lacus sed odio aliquet tristique. Nunc facilisis, tellus a blandit luctus, libero ipsum malesuada lorem, in interdum velit quam sit amet eros.
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32 changes: 22 additions & 10 deletions grids.js
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Original file line number Diff line number Diff line change
Expand Up @@ -4,20 +4,24 @@
* Set all elements within the collection to have the same height.
*/
$.fn.equalHeight = function(){
var heights = [];
var heights = [],equalHeight;
$.each(this, function(i, element){
$element = $(element);
var element_height;
var $element = $(element), element_height,
// Should we include the elements padding in it's height?
var includePadding = ($element.css('box-sizing') == 'border-box') || ($element.css('-moz-box-sizing') == 'border-box');
includePadding = ($element.css('box-sizing') == 'border-box') || ($element.css('-moz-box-sizing') == 'border-box');
if (includePadding) {
element_height = $element.innerHeight();
} else {
element_height = $element.height();
}
this.originalHeight = element_height;
heights.push(element_height);
});
this.css('height', Math.max.apply(window, heights) + 'px');
equalHeight = Math.max.apply(window, heights);
this.css('height', equalHeight + 'px');
$.each(this, function(){
this.equalHeight = equalHeight;
});
return this;
};

Expand Down Expand Up @@ -60,13 +64,21 @@
* Ensure equal heights now, on ready, load and resize.
*/
$.fn.responsiveEqualHeightGrid = function() {
var _this = this;
function syncHeights() {
var cols = _this.detectGridColumns();
_this.equalHeightGrid(cols);
var cols = this.detectGridColumns(),currentHeights = [];

$(this).each(function(i){
currentHeights[i] = this.equalHeight;
});
this.equalHeightGrid(cols);
$(this).each(function(i){
if(currentHeights[i]!=this.equalHeight){
$(this).trigger('heightResize',[this.equalHeight,this.originalHeight]);
}
});
}
$(window).bind('resize load', syncHeights);
syncHeights();
$(window).bind('resize load', $.proxy(syncHeights,this));
$.proxy(syncHeights,this);
return this;
};

Expand Down