ADD file via upload

src/main/resources/static/end/js/bootstrap-fileupload.js

@@ -0,0 +1,169 @@
+/* ===========================================================
+ * bootstrap-fileupload.js j2
+ * http://jasny.github.com/bootstrap/javascript.html#fileupload
+ * ===========================================================
+ * Copyright 2012 Jasny BV, Netherlands.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License")
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ========================================================== */
+
+!function ($) {
+
+  "use strict"; // jshint ;_
+
+ /* FILEUPLOAD PUBLIC CLASS DEFINITION
+  * ================================= */
+
+  var Fileupload = function (element, options) {
+    this.$element = $(element)
+    this.type = this.$element.data('uploadtype') || (this.$element.find('.thumbnail').length > 0 ? "image" : "file")
+      
+    this.$input = this.$element.find(':file')
+    if (this.$input.length === 0) return
+
+    this.name = this.$input.attr('name') || options.name
+
+    this.$hidden = this.$element.find('input[type=hidden][name="'+this.name+'"]')
+    if (this.$hidden.length === 0) {
+      this.$hidden = $('<input type="hidden" />')
+      this.$element.prepend(this.$hidden)
+    }
+
+    this.$preview = this.$element.find('.fileupload-preview')
+    var height = this.$preview.css('height')
+    if (this.$preview.css('display') != 'inline' && height != '0px' && height != 'none') this.$preview.css('line-height', height)
+
+    this.original = {
+      'exists': this.$element.hasClass('fileupload-exists'),
+      'preview': this.$preview.html(),
+      'hiddenVal': this.$hidden.val()
+    }
+    
+    this.$remove = this.$element.find('[data-dismiss="fileupload"]')
+
+    this.$element.find('[data-trigger="fileupload"]').on('click.fileupload', $.proxy(this.trigger, this))
+
+    this.listen()
+  }
+  
+  Fileupload.prototype = {
+    
+    listen: function() {
+      this.$input.on('change.fileupload', $.proxy(this.change, this))
+      $(this.$input[0].form).on('reset.fileupload', $.proxy(this.reset, this))
+      if (this.$remove) this.$remove.on('click.fileupload', $.proxy(this.clear, this))
+    },
+    
+    change: function(e, invoked) {
+      if (invoked === 'clear') return
+      
+      var file = e.target.files !== undefined ? e.target.files[0] : (e.target.value ? { name: e.target.value.replace(/^.+\\/, '') } : null)
+      
+      if (!file) {
+        this.clear()
+        return
+      }
+      
+      this.$hidden.val('')
+      this.$hidden.attr('name', '')
+      this.$input.attr('name', this.name)
+
+      if (this.type === "image" && this.$preview.length > 0 && (typeof file.type !== "undefined" ? file.type.match('image.*') : file.name.match(/\.(gif|png|jpe?g)$/i)) && typeof FileReader !== "undefined") {
+        var reader = new FileReader()
+        var preview = this.$preview
+        var element = this.$element
+
+        reader.onload = function(e) {
+          preview.html('<img src="' + e.target.result + '" ' + (preview.css('max-height') != 'none' ? 'style="max-height: ' + preview.css('max-height') + ';"' : '') + ' />')
+          element.addClass('fileupload-exists').removeClass('fileupload-new')
+        }
+
+        reader.readAsDataURL(file)
+      } else {
+        this.$preview.text(file.name)
+        this.$element.addClass('fileupload-exists').removeClass('fileupload-new')
+      }
+    },
+
+    clear: function(e) {
+      this.$hidden.val('')
+      this.$hidden.attr('name', this.name)
+      this.$input.attr('name', '')
+
+      //ie8+ doesn't support changing the value of input with type=file so clone instead
+      if (navigator.userAgent.match(/msie/i)){ 
+          var inputClone = this.$input.clone(true);
+          this.$input.after(inputClone);
+          this.$input.remove();
+          this.$input = inputClone;
+      }else{
+          this.$input.val('')
+      }
+
+      this.$preview.html('')
+      this.$element.addClass('fileupload-new').removeClass('fileupload-exists')
+
+      if (e) {
+        this.$input.trigger('change', [ 'clear' ])
+        e.preventDefault()
+      }
+    },
+    
+    reset: function(e) {
+      this.clear()
+      
+      this.$hidden.val(this.original.hiddenVal)
+      this.$preview.html(this.original.preview)
+      
+      if (this.original.exists) this.$element.addClass('fileupload-exists').removeClass('fileupload-new')
+       else this.$element.addClass('fileupload-new').removeClass('fileupload-exists')
+    },
+    
+    trigger: function(e) {
+      this.$input.trigger('click')
+      e.preventDefault()
+    }
+  }
+
+  
+ /* FILEUPLOAD PLUGIN DEFINITION
+  * =========================== */
+
+  $.fn.fileupload = function (options) {
+    return this.each(function () {
+      var $this = $(this)
+      , data = $this.data('fileupload')
+      if (!data) $this.data('fileupload', (data = new Fileupload(this, options)))
+      if (typeof options == 'string') data[options]()
+    })
+  }
+
+  $.fn.fileupload.Constructor = Fileupload
+
+
+ /* FILEUPLOAD DATA-API
+  * ================== */
+
+  $(document).on('click.fileupload.data-api', '[data-provides="fileupload"]', function (e) {
+    var $this = $(this)
+    if ($this.data('fileupload')) return
+    $this.fileupload($this.data())
+      
+    var $target = $(e.target).closest('[data-dismiss="fileupload"],[data-trigger="fileupload"]');
+    if ($target.length > 0) {
+      $target.trigger('click.fileupload')
+      e.preventDefault()
+    }
+  })
+
+}(window.jQuery);