(function ( $ ) {
$.fn.imagePicker = function( options ) {
// Define plugin options
var settings = $.extend({
// Input name attribute
name: "",
// Classes for styling the input
class: "form-control btn btn-default btn-block",
// Icon which displays in center of input
icon: "glyphicon glyphicon-plus"
}, options );
// Create an input inside each matched element
return this.each(function() {
$(this).html(create_btn(this, settings));
});
};
// Private function for creating the input element
function create_btn(that, settings) {
// The input icon element
var picker_btn_icon = $('<i class="'+settings.icon+'"></i>');
// The actual file input which stays hidden
var picker_btn_input = $('<input type="file" name="'+settings.name+'" />');
// The actual element displayed
var picker_btn = $('<div class="'+settings.class+' img-upload-btn"></div>')
.append(picker_btn_icon)
.append(picker_btn_input);
// File load listener
picker_btn_input.change(function() {
if ($(this).prop('files')[0]) {
// Use FileReader to get file
var reader = new FileReader();
// Create a preview once image has loaded
reader.onload = function(e) {
var preview = create_preview(that, e.target.result, settings);
$(that).html(preview);
}
// Load image
reader.readAsDataURL(picker_btn_input.prop('files')[0]);
}
});
return picker_btn
};
// Private function for creating a preview element
function create_preview(that, src, settings) {
// The preview image
var picker_preview_image = $('<img src="'+src+'" class="img-responsive img-rounded" />');
// The remove image button
var picker_preview_remove = $('<button class="btn btn-link"><small>Remove</small></button>');
// The preview element
var picker_preview = $('<div class="text-center"></div>')
.append(picker_preview_image)
.append(picker_preview_remove);
// Remove image listener
picker_preview_remove.click(function() {
var btn = create_btn(that, settings);
$(that).html(btn);
});
return picker_preview;
};
}( jQuery ));
$(document).ready(function() {
$('.img-picker').imagePicker({name: 'images'});
})
