forked from tohe/wmdeit_kaform
520 lines
14 KiB
JavaScript
520 lines
14 KiB
JavaScript
(function($K)
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{
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$K.add('module', 'upload', {
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init: function(app, context)
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{
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this.app = app;
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this.utils = app.utils;
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this.animate = app.animate;
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this.response = app.response;
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this.progress = app.progress;
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// defaults
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var defaults = {
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size: 120, // pixels
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url: false,
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urlRemove: false,
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param: false,
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type: false, // image, file
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multiple: false,
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placeholder: 'Drop files here or click to upload',
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progress: false,
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target: false,
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append: false
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};
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// context
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this.context = context;
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this.params = context.getParams(defaults);
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this.$element = context.getElement();
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this.$target = context.getTarget();
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// local
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this.statusMap = ['hover', 'error', 'success', 'drop'];
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},
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// public
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start: function()
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{
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this._buildBox();
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this._buildInput();
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this._buildCount();
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this._buildType();
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this._buildPlaceholder();
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this._buildSize();
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this._buildMultiple();
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this._buildItems();
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this._buildEvents();
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},
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stop: function()
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{
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this.$box.remove();
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this.$element.off('.kube.upload');
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},
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// private
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_buildBox: function()
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{
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if (this.params.type === 'image')
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{
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this.$box = this.$element.find('.upload-item');
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}
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else
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{
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this.$box = this.$element;
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}
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},
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_buildInput: function()
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{
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this.$input = $K.dom('<input>');
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this.$input.attr('type', 'file');
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this.$input.attr('name', this._getParamName());
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this.$input.hide();
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this.$element.before(this.$input);
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},
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_buildCount: function()
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{
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this.$inputCount = $K.dom('<input>');
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this.$inputCount.attr('type', 'hidden');
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this.$inputCount.attr('name', this._getParamName() + '-count');
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this.$inputCount.val(0);
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this.$element.before(this.$inputCount);
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},
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_buildType: function()
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{
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this.isBox = this.$element.hasClass('upload');
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},
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_buildPlaceholder: function()
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{
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if (this.isBox)
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{
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var $placeholder = $K.dom('<span>');
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$placeholder.addClass('upload-placeholder');
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$placeholder.html(this.params.placeholder);
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this.$element.append($placeholder);
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}
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},
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_buildSize: function()
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{
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if (this.isBox)
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{
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this.$box.css({
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height: this.params.size + 'px'
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});
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}
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else if (this.params.type === 'image')
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{
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this.$box.css({
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width: this.params.size + 'px',
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height: this.params.size + 'px'
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});
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}
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},
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_buildMultiple: function()
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{
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this.isMultiple = this.params.multiple;
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if (this.isMultiple)
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{
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this.$input.attr('multiple', 'true');
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}
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},
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_buildItems: function()
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{
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if (!this.params.type) return;
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var isFile = (this.params.type === 'file');
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var $target = (isFile) ? this.$target : this.$element;
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var fn = (isFile) ? '_removeFile' : '_removeImage';
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var $closes = $target.find('.close');
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$closes.on('click', this[fn].bind(this));
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if (!isFile)
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{
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$closes.closest('.upload-item').addClass('is-uploaded');
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}
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this.$inputCount.val($closes.length);
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},
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_buildEvents: function()
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{
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this.$input.on('change.redactor.upload', this._change.bind(this));
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this.$box.on('click.redactor.upload', this._click.bind(this));
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this.$box.on('drop.redactor.upload', this._drop.bind(this));
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this.$box.on('dragover.redactor.upload', this._dragover.bind(this));
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this.$box.on('dragleave.redactor.upload', this._dragleave.bind(this));
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},
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// Events
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_click: function(e)
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{
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e.preventDefault();
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var $el = $K.dom(e.target);
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if ($el.hasClass('close')) return;
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this.$input.click();
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},
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_change: function(e)
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{
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this.app.broadcast('upload.start', this);
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this._send(e, this.$input.get().files);
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},
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_drop: function(e)
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{
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e.preventDefault();
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this._clearStatuses();
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this._setStatus('drop');
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this.app.broadcast('upload.start', this);
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this._send(e);
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},
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_dragover: function(e)
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{
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e.preventDefault();
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this._setStatus('hover');
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return false;
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},
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_dragleave: function(e)
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{
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e.preventDefault();
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this._removeStatus('hover');
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return false;
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},
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// Count
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_upCount: function()
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{
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var val = this.$inputCount.val();
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val++;
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this.$inputCount.val(val);
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},
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_downCount: function()
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{
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var val = this.$inputCount.val();
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val--;
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val = (val < 0) ? 0 : val;
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this.$inputCount.val(val);
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},
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_clearCount: function()
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{
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this.$inputCount.val(0);
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},
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// Name
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_getParamName: function()
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{
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return (this.params.param) ? this.params.param : 'file';
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},
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_getHiddenName: function()
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{
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var name = this._getParamName();
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return (this.isMultiple) ? name + '-uploaded[]' : name + '-uploaded';
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},
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// Status
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_clearStatuses: function()
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{
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this.$box.removeClass('is-upload-' + this.statusMap.join(' is-upload-'));
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},
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_setStatus: function(status)
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{
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this.$box.addClass('is-upload-' + status);
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},
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_removeStatus: function(status)
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{
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this.$box.removeClass('is-upload-' + status);
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},
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// Target
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_clearTarget: function()
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{
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var $items = this.$target.find('.upload-item');
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$items.each(function(node)
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{
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var $node = $K.dom(node);
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this._removeFileRequest($node.attr('data-id'));
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}.bind(this));
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this._clearCount();
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this.$target.html('');
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},
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_clearBox: function()
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{
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var $items = this.$target.find('.upload-item');
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$items.each(function(node)
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{
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var $node = $K.dom(node);
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this._removeFileRequest($node.attr('data-id'));
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}.bind(this));
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this._clearCount();
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this.$target.html('');
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},
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// Remove
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_removeFile: function(e)
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{
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e.preventDefault();
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var $el = $K.dom(e.target);
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var $item = $el.closest('.upload-item');
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var id = $item.attr('data-id');
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this.animate.run($item, 'fadeOut', function()
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{
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$item.remove();
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this._downCount();
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this._removeFileRequest(id);
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// clear target
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if (this.$target.find('.upload-item').length === 0)
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{
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this.$target.html('');
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}
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}.bind(this))
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},
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_removeImage: function(e)
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{
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e.preventDefault();
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var $el = $K.dom(e.target);
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var $item = $el.closest('.upload-item');
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var id = $item.attr('data-id');
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if (this.isMultiple)
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{
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this.animate.run($item, 'fadeOut', function()
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{
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$item.remove();
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this._downCount();
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this._removeFileRequest(id);
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}.bind(this))
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}
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else
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{
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var $img = $item.find('img');
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$el.hide();
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this.animate.run($img, 'fadeOut', function()
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{
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this.$box.html('');
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this.$box.removeClass('is-uploaded');
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this._clearCount();
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this._removeFileRequest(id);
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}.bind(this))
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}
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},
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_removeFileRequest: function(id)
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{
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if (this.params.urlRemove)
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{
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$K.ajax.post({
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url: this.params.urlRemove,
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data: { id: id }
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});
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}
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},
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// Send
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_send: function(e, files)
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{
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e = e.originalEvent || e;
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files = (files) ? files : e.dataTransfer.files;
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var data = new FormData();
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var name = this._getParamName();
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data = this._buildData(name, files, data);
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if (this.params.append)
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{
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data = this.utils.extendData(data, this.params.append);
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}
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this._sendData(data, files, e);
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},
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_sendData: function(data, files, e)
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{
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if (this.params.progress) this.progress.show();
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$K.ajax.post({
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url: this.params.url,
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data: data,
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before: function(xhr)
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{
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return this.app.broadcast('upload.beforeSend', this, xhr);
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}.bind(this),
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success: function(response)
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{
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this._complete(response, e);
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}.bind(this)
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});
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},
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_buildData: function(name, files, data)
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{
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for (var i = 0; i < files.length; i++)
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{
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data.append(name + '[]', files[i]);
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}
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return data;
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},
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_complete: function (response, e)
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{
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this._clearStatuses();
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if (this.params.progress) this.progress.hide();
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// error
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var json = (Array.isArray(response)) ? response[0] : response;
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if (typeof json.type !== 'undefined' && json.type === 'error')
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{
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this._setStatus('error');
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this.response.parse(response);
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this.app.broadcast('upload.error', this, response);
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}
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// complete
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else
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{
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this._setStatus('success');
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switch (this.params.type)
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{
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case 'image':
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this._completeBoxImage(response);
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break;
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case 'file':
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this._completeBoxFile(response);
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break;
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default:
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this._completeBoxUpload(response);
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}
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this.app.broadcast('upload.complete', this, response);
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setTimeout(this._clearStatuses.bind(this), 500);
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}
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},
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_completeBoxUpload: function(response)
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{
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this.response.parse(response);
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},
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_completeBoxImage: function(response)
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{
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for (var key in response)
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{
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// img
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var $img = $K.dom('<img>');
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$img.attr('src', response[key].url);
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// close
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var $close = $K.dom('<span>');
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$close.addClass('close');
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$close.on('click', this._removeImage.bind(this));
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// hidden
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var $hidden = $K.dom('<input>');
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$hidden.attr('type', 'hidden');
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$hidden.attr('name', this._getHiddenName());
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$hidden.val(response[key].id);
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// item
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var $item = $K.dom('<div>');
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$item.addClass('upload-item is-uploaded');
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$item.attr('data-id', response[key].id);
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if (this.isMultiple)
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{
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// append
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$item.append($close);
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$item.append($img);
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$item.append($hidden);
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this.$box.last().before($item);
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}
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// single
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else
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{
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var $lastImg = this.$box.find('img');
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if ($lastImg.length !== 0)
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{
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this._removeFileRequest(this.$box.attr('data-id'));
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}
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this.$box.html('');
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this.$box.attr('data-id', response[key].id);
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this.$box.append($close);
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this.$box.append($img);
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this.$box.append($hidden);
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return;
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}
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}
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},
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_completeBoxFile: function(response)
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{
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if (!this.isMultiple) this._clearTarget();
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for (var key in response)
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{
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// item
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var $item = $K.dom('<div>');
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$item.addClass('upload-item');
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$item.attr('data-id', response[key].id);
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// file
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var $file = $K.dom('<span>');
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$file.html(response[key].name);
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// close
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var $close = $K.dom('<span>');
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$close.addClass('close');
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$close.on('click', this._removeFile.bind(this));
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// hidden
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var $hidden = $K.dom('<input>');
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$hidden.attr('type', 'hidden');
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$hidden.attr('name', this._getHiddenName());
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$hidden.val(response[key].id);
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// size
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if (typeof response[key].size !== 'undefined')
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{
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var $size = $K.dom('<em>');
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$size.html(response[key].size);
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$file.append($size);
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}
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// append
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$item.append($close);
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$item.append($file);
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$item.append($hidden);
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// target
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this.$target.append($item);
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this._upCount();
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}
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}
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});
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})(Kube); |