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/* Initiliaze several plugins. */
$(document).ready(function(){
$('.dropdown-toggle').dropdown();
$('input[type=file]').bootstrapFileInput();
});
/* Value of upload button. */
var buttonId = "";
/* Function to toggle button to disabled status. */
function toggleButton(id, enable, btnId){
if(enable == "enable"){
text = getBtnValue(btnId)
$(id).prop('enable', true);
$(id).removeClass('disabled');
$(btnId).text(text);
} else {
$(id).prop('disabled', true);
$(id).addClass('disabled');
$(btnId).html('<i class="fa fa-spinner fa-spin"></i> Uploading...');
}
};
/* Get the correct value from the button. */
function getBtnValue(buttonId){
switch(buttonId) {
case "#imageSubmit":
return "Upload!";
break;
case "#urlSubmit":
return "Fetch the image!";
break;
case "#base64Submit":
return "Decode the image!";
break;
}
}
/* Resets DOM for bootstrap modal. */
$('.modal').on('hidden.bs.modal', function(e){
// $('.btn-upload').addClass('hidden');
$("#imageLink").text('');
$('#created_img').remove();
$('.error-msg').text('');
toggleButton('.btn-upload', "enable", buttonId);
});
/* Do all the AJAX stuff. */
function doAjaxStuff(id, target, isFile){
var client = new XMLHttpRequest();
var file = document.getElementById(id);
/* Create a FormData instance */
var formData = new FormData();
/* formData is a file to upload. */
if(isFile == "isFile"){
if(file.files[0] === null) {
toggleButton('.btn-upload', "enable", buttonId);
alert("Please add a photo first.");
} else {
/* Add the file */
formData.append("image", file.files[0]);
}
} else {
if(file.value === null) {
toggleButton('.btn-upload', "enable", buttonId);
$(buttonId).text('Try again!');
alert("Please add a photo first.");
} else {
formData.append("image", file.value);
}
}
client.open("post", target, true);
/* Send to server */
client.send(formData);
/* Check the response status */
client.onreadystatechange = function() {
if (client.readyState == 4) {
if(client.status == 200){
var r = JSON.parse(client.responseText);
var imageLink = '<a id="created_img_link" title="' + r.data.link + '" href="' + r.data.link + '"> ' + r.data.link + '</a>';
$("#imageLink").append(imageLink);
var img = $('<img id="created_img" class="img-responsive">');
img.attr('src', r.data.link)
img.attr('alt', r.data.name)
img.appendTo('#imageObj');
$('#created_img').wrap(function() {
return "<a href='" + r.data.link + "'/>";
});
//$('.btn-upload').html('<i class="fa fa-check"></i> Uploaded!');
$(buttonId).html('<i class="fa fa-check"></i> Uploaded!');
$('#uploaded-dialog').modal('show');
} else if (client.status == 500) {
if (client.responseText == "") {
var errorMsg = "There was an error. That's everything we know.";
} else {
var r = JSON.parse(client.responseText);
var errorMsg = r.data.error;
}
$('.error-msg').text(errorMsg);
toggleButton('.btn-upload', 'enable', buttonId);
$(buttonId).text('Try again!');
$('#error-dialog').modal('show');
} else {
var errorMsg = "There was an error. That's everything we know.";
$('.error-msg').text(errorMsg);
toggleButton('.btn-upload', 'enable', buttonId);
$(buttonId).text('Try again!');
$('#error-dialog').modal('show');
}
}
}
};
/* Prevent the form submit when pressing 'enter'. */
$('form').submit(function(event){
event.preventDefault();
});
/* Detects change on input #file. */
$(function() {
$("#file").change(function (){
//var fileName = $(this).val();
//$(".filename").html(fileName);
//console.log(fileName)
//$('#imageSubmit').trigger('click');
$('.btn-upload').addClass('hidden');
$('#imageSubmit').removeClass('hidden');
});
});
/* Start file upload via AJAX. */
$("#imageSubmit").click( function(event){
event.preventDefault();
buttonId = "#imageSubmit";
toggleButton('.btn-upload', "disable", buttonId);
doAjaxStuff("file", "/api/v1/file", "isFile");
});
/* Show upload button for urlBar on click. */
$("#urlBar").click(function (){
$('.btn-upload').addClass('hidden');
$('#urlSubmit').removeClass("hidden");
});
/* Start upload over url via AJAX. */
$("#urlSubmit").click( function(event){
event.preventDefault();
buttonId = "#urlSubmit";
toggleButton('.btn-upload', "disable");
doAjaxStuff("urlBar", "/api/v1/url", "isNoFile");
});
/* Show upload button for base64Bar on click. */
$("#base64Bar").click(function (){
$('.btn-upload').addClass('hidden');
$('#base64Submit').removeClass("hidden");
});
/* Start upload over base64 encoded image via AJAX. */
$("#base64Submit").click( function(event){
event.preventDefault();
buttonId = "#base64Submit";
toggleButton('.btn-upload', "disable");
doAjaxStuff("urlBar", "/api/v1/base64", "isNoFile");
});
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