A project I was tasked with had me looking into how to put a modal JavaScript feedback button that opens a window on the left into SharePoint. Here is what I did to accomplish that.
I took some info from these sources and modified them to accomplish what I wanted to do
- https://www.w3schools.com/howto/howto_css_modals.asp
- https://teamtreehouse.com/community/how-to-stop-javascript-window-reloading-when-each-time-button-is-on-a-page
The way I tweaked them was to make it open on the left instead of the top, and to not refresh the page every time that it is used.
So I opened SharePoint Designer and opened my custom master page.
I put this in the header:
<style>
#myBtn
{
z-index: 10;
position: fixed;
left: 0px;
bottom: 0px;
}
/* The Modal (background) */
.modal {
display: none; /* Hidden by default */
position: fixed; /* Stay in place */
z-index: 1; /* Sit on top */
left: 0;
top: 0;
width: 100%; /* Full width */
height: 100%; /* Full height */
overflow: auto; /* Enable scroll if needed */
background-color: rgb(0,0,0); /* Fallback color */
background-color: rgba(0,0,0,0.4); /* Black w/ opacity */
-webkit-animation-name: fadeIn; /* Fade in the background */
-webkit-animation-duration: 0.4s;
animation-name: fadeIn;
animation-duration: 0.4s
}
/* Modal Content */
.modal-content {
position: fixed;
left: 0;
background-color: #fefefe;
height: 100%;
-webkit-animation-name: slideIn;
-webkit-animation-duration: 0.4s;
animation-name: slideIn;
animation-duration: 0.4s
}
/* The Close Button */
.close {
color: white;
float: right;
font-size: 28px;
font-weight: bold;
}
.close:hover,
.close:focus {
color: #000;
text-decoration: none;
cursor: pointer;
}
.modal-header {
padding: 2px 16px;
background-color: #C80000;
color: white;
}
.modal-body {padding: 2px 16px;}
.modal-footer {
padding: 2px 16px;
background-color: #C80000;
color: white;
}
/* Add Animation */
@-webkit-keyframes slideIn {
from {left: -300px; opacity: 0}
to {left: 0; opacity: 1}
}
@keyframes slideIn {
from {left: -300px; opacity: 0}
to {left: 0; opacity: 1}
}
@-webkit-keyframes fadeIn {
from {opacity: 0}
to {opacity: 1}
}
@keyframes fadeIn {
from {opacity: 0}
to {opacity: 1}
}
</style>
Then in the body, at the end I put this in:
<button id="myBtn">Feedback</button>
<!-- The Modal -->
<div id="myModal" class="modal">
<!-- Modal content -->
<div class="modal-content">
<div class="modal-header">
<span class="close">×</span>
<h2>Suggest Feedback</h2>
</div>
<div class="modal-body">
Stuff that goes in the body
<!--<div class="modal-footer">
<h3></h3>
</div>-->
</div>
</div>
<script>
// Get the modal
var modal = document.getElementById('myModal');
// Get the button that opens the modal
var btn = document.getElementById("myBtn");
// Get the <span> element that closes the modal
var span = document.getElementsByClassName("close")[0];
// When the user clicks the button, open the modal
btn.onclick = function(event) {
event.preventDefault();
modal.style.display = "block";
}
// When the user clicks on <span> (x), close the modal
span.onclick = function() {
modal.style.display = "none";
}
// When the user clicks anywhere outside of the modal, close it
window.onclick = function(event) {
if (event.target == modal) {
modal.style.display = "none";
event.preventDefault();
}
}
</script>
BONUS!
If you want your link on your modal menu to open your Add Item (NewForm.aspx) in a modal dialog box, add in this snippet of code (Source)<script>
function openDialog(pageUrl) {
var options = {
url: pageUrl,
title: 'Title of the Dialog',
allowMaximize: false,
showClose: true,
width: 550,
height: 500
};
SP.SOD.execute('sp.ui.dialog.js', 'SP.UI.ModalDialog.showModalDialog', options);
}
</script>
<a href="#" onclick="openDialog('/Lists/Suggestion%20Box/NewForm.aspx');">Open Feedback Form</a>
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