99 lines
3.2 KiB
JavaScript
99 lines
3.2 KiB
JavaScript
/*!
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* adapted from
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* https://github.com/drewbaker/fitToParent
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*/
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(function ($) {
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$.fn.fitToWindow = function (maxWidth, wPad) {
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// console.log("in fit to Window")
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// if more than one element
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this.each(function () {
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let $el = $(this);
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// console.log(`element ${$el.prop("tagName")} ${$el.attr("class")} parent ${$el.parent().attr('class')}`)
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// console.log(`before ${maxWidth} ${wPad} ${$el.data('maxWidth')} ${$el.data('wPad')}`)
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var mw = $el.parent().attr('maxWidth');
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maxWidth = mw ? mw : maxWidth
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maxWidth = (maxWidth || $el.data('maxWidth')) || 450
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var wp = $el.parent().attr('wPad');
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wPad = wp ? wp : wPad
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wPad = (wPad || $el.data('wPad')) || 5
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let windowWidth = $(window).width()
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let newWidth = (windowWidth > maxWidth) ? maxWidth : windowWidth - 2 * wPad
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// console.log(`after ${maxWidth} ${wPad} ${newWidth}`)
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// Initial Aspect given in attributes by element itself
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let setWidth = $el.attr('width');
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let setHeight = $el.attr('height');
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if (!setWidth || !setHeight) {
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setWidth = $el.width();
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setHeight = $el.height();
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}
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// retrieve aspect ratio for element if none then set (first time)
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var aspect = $el.data('aspect');
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if (!aspect) {
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aspect = setWidth / setHeight;
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$el.data('aspect', aspect);
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// console.log(`aspect set ${aspect} = ${$el.data('aspect')}`)
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$el.data('maxWidth', maxWidth)
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$el.data('wPad', wPad)
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// console.log(`values set ${maxWidth} = ${$el.data('maxWidth')} ${wPad} = ${$el.data('wPad')}`)
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// console.log("REGISTERING RESIZE")
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$(window).resize({ el: $el }, function (event) {
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event.data.el.fitToWindow()
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})
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}
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newHeight = (newWidth / aspect);
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// TODO conform to enclosing .box with max-height set
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// need to detect wrap so adjustement can be made
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// http://stackoverflow.com/questions/40012428/how-to-detect-css-flex-wrap-event
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// var maxParentHeight = parseInt($el.parents('.box').filter(function () {
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// // var mel = $(this).attr('class');
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// // var mxh = $(this).css('max-height')
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// // console.log(`${mel} ${mxh}`)
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// return $(this).css("max-height") != "none"
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// }).first().css('max-height'))
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//
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// console.log(`max-height of parent ${maxParentHeight}`)
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//
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// if (maxParentHeight) {
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// newHeight = maxParentHeight;
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// newWidth = (newHeight * aspect);
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// }
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// console.log(`new width and height before setting ${newWidth} ${newHeight}`)
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// Set new size of element
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$el.width(newWidth);
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$el.height(newHeight);
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});
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}
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}(jQuery));
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// one time fit a element based on selector to the window
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let fitToWindow = function (sel) {
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if (sel) {
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$(sel).fitToWindow()
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} else { Alert("no selector provided for resize event to call fitToWindow") }
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}
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// register a selector to be fitted to window on window resize
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let onResizeFitToWindow = function (sel) {
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if (sel) {
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$(window).resize(function () {
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$(sel).fitToWindow()
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})
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} else { Alert("no selector provided for resize event to call fitToWindow") }
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}
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