219 lines
8.2 KiB
JavaScript
219 lines
8.2 KiB
JavaScript
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/*= require preview_markdown */
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(function() {
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this.DropzoneInput = (function() {
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function DropzoneInput(form) {
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var $mdArea, alertAttr, alertClass, appendToTextArea, btnAlert, child, closeAlertMessage, closeSpinner, divAlert, divHover, divSpinner, dropzone, form_dropzone, form_textarea, getFilename, handlePaste, iconPaperclip, iconSpinner, insertToTextArea, isImage, max_file_size, pasteText, project_uploads_path, showError, showSpinner, uploadFile, uploadProgress;
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Dropzone.autoDiscover = false;
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alertClass = "alert alert-danger alert-dismissable div-dropzone-alert";
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alertAttr = "class=\"close\" data-dismiss=\"alert\"" + "aria-hidden=\"true\"";
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divHover = "<div class=\"div-dropzone-hover\"></div>";
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divSpinner = "<div class=\"div-dropzone-spinner\"></div>";
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divAlert = "<div class=\"" + alertClass + "\"></div>";
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iconPaperclip = "<i class=\"fa fa-paperclip div-dropzone-icon\"></i>";
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iconSpinner = "<i class=\"fa fa-spinner fa-spin div-dropzone-icon\"></i>";
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uploadProgress = $("<div class=\"div-dropzone-progress\"></div>");
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btnAlert = "<button type=\"button\"" + alertAttr + ">×</button>";
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project_uploads_path = window.project_uploads_path || null;
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max_file_size = gon.max_file_size || 10;
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form_textarea = $(form).find(".js-gfm-input");
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form_textarea.wrap("<div class=\"div-dropzone\"></div>");
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form_textarea.on('paste', (function(_this) {
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return function(event) {
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return handlePaste(event);
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};
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})(this));
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$mdArea = $(form_textarea).closest('.md-area');
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$(form).setupMarkdownPreview();
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form_dropzone = $(form).find('.div-dropzone');
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form_dropzone.parent().addClass("div-dropzone-wrapper");
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form_dropzone.append(divHover);
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form_dropzone.find(".div-dropzone-hover").append(iconPaperclip);
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form_dropzone.append(divSpinner);
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form_dropzone.find(".div-dropzone-spinner").append(iconSpinner);
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form_dropzone.find(".div-dropzone-spinner").append(uploadProgress);
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form_dropzone.find(".div-dropzone-spinner").css({
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"opacity": 0,
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"display": "none"
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});
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dropzone = form_dropzone.dropzone({
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url: project_uploads_path,
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dictDefaultMessage: "",
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clickable: true,
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paramName: "file",
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maxFilesize: max_file_size,
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uploadMultiple: false,
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headers: {
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"X-CSRF-Token": $("meta[name=\"csrf-token\"]").attr("content")
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},
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previewContainer: false,
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processing: function() {
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return $(".div-dropzone-alert").alert("close");
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},
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dragover: function() {
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$mdArea.addClass('is-dropzone-hover');
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form.find(".div-dropzone-hover").css("opacity", 0.7);
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},
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dragleave: function() {
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$mdArea.removeClass('is-dropzone-hover');
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form.find(".div-dropzone-hover").css("opacity", 0);
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},
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drop: function() {
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$mdArea.removeClass('is-dropzone-hover');
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form.find(".div-dropzone-hover").css("opacity", 0);
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form_textarea.focus();
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},
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success: function(header, response) {
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pasteText(response.link.markdown);
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},
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error: function(temp) {
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var checkIfMsgExists, errorAlert;
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errorAlert = $(form).find('.error-alert');
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checkIfMsgExists = errorAlert.children().length;
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if (checkIfMsgExists === 0) {
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errorAlert.append(divAlert);
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$(".div-dropzone-alert").append(btnAlert + "Attaching the file failed.");
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}
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},
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totaluploadprogress: function(totalUploadProgress) {
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uploadProgress.text(Math.round(totalUploadProgress) + "%");
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},
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sending: function() {
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form_dropzone.find(".div-dropzone-spinner").css({
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"opacity": 0.7,
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"display": "inherit"
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});
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},
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queuecomplete: function() {
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uploadProgress.text("");
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$(".dz-preview").remove();
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$(".markdown-area").trigger("input");
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$(".div-dropzone-spinner").css({
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"opacity": 0,
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"display": "none"
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});
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}
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});
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child = $(dropzone[0]).children("textarea");
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handlePaste = function(event) {
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var filename, image, pasteEvent, text;
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pasteEvent = event.originalEvent;
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if (pasteEvent.clipboardData && pasteEvent.clipboardData.items) {
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image = isImage(pasteEvent);
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if (image) {
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event.preventDefault();
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filename = getFilename(pasteEvent) || "image.png";
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text = "{{" + filename + "}}";
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pasteText(text);
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return uploadFile(image.getAsFile(), filename);
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}
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}
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};
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isImage = function(data) {
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var i, item;
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i = 0;
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while (i < data.clipboardData.items.length) {
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item = data.clipboardData.items[i];
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if (item.type.indexOf("image") !== -1) {
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return item;
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}
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i++;
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}
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return false;
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};
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pasteText = function(text) {
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var afterSelection, beforeSelection, caretEnd, caretStart, textEnd;
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caretStart = $(child)[0].selectionStart;
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caretEnd = $(child)[0].selectionEnd;
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textEnd = $(child).val().length;
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beforeSelection = $(child).val().substring(0, caretStart);
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afterSelection = $(child).val().substring(caretEnd, textEnd);
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$(child).val(beforeSelection + text + afterSelection);
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child.get(0).setSelectionRange(caretStart + text.length, caretEnd + text.length);
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return form_textarea.trigger("input");
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};
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getFilename = function(e) {
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var value;
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if (window.clipboardData && window.clipboardData.getData) {
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value = window.clipboardData.getData("Text");
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} else if (e.clipboardData && e.clipboardData.getData) {
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value = e.clipboardData.getData("text/plain");
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}
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value = value.split("\r");
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return value.first();
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};
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uploadFile = function(item, filename) {
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var formData;
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formData = new FormData();
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formData.append("file", item, filename);
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return $.ajax({
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url: project_uploads_path,
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type: "POST",
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data: formData,
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dataType: "json",
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processData: false,
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contentType: false,
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headers: {
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"X-CSRF-Token": $("meta[name=\"csrf-token\"]").attr("content")
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},
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beforeSend: function() {
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showSpinner();
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return closeAlertMessage();
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},
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success: function(e, textStatus, response) {
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return insertToTextArea(filename, response.responseJSON.link.markdown);
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},
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error: function(response) {
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return showError(response.responseJSON.message);
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},
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complete: function() {
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return closeSpinner();
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}
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});
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};
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insertToTextArea = function(filename, url) {
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return $(child).val(function(index, val) {
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return val.replace("{{" + filename + "}}", url + "\n");
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});
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};
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appendToTextArea = function(url) {
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return $(child).val(function(index, val) {
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return val + url + "\n";
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});
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};
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showSpinner = function(e) {
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return form.find(".div-dropzone-spinner").css({
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"opacity": 0.7,
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"display": "inherit"
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});
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};
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closeSpinner = function() {
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return form.find(".div-dropzone-spinner").css({
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"opacity": 0,
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"display": "none"
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});
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};
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showError = function(message) {
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var checkIfMsgExists, errorAlert;
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errorAlert = $(form).find('.error-alert');
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checkIfMsgExists = errorAlert.children().length;
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if (checkIfMsgExists === 0) {
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errorAlert.append(divAlert);
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return $(".div-dropzone-alert").append(btnAlert + message);
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}
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};
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closeAlertMessage = function() {
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return form.find(".div-dropzone-alert").alert("close");
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};
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form.find(".markdown-selector").click(function(e) {
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e.preventDefault();
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$(this).closest('.gfm-form').find('.div-dropzone').click();
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});
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}
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return DropzoneInput;
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})();
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}).call(this);
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