--- /dev/null
+/**
+ * @file
+ * Drag+drop based in-place editor for images.
+ */
+
+(function ($, _, Drupal) {
+
+ 'use strict';
+
+ Drupal.quickedit.editors.image = Drupal.quickedit.EditorView.extend(/** @lends Drupal.quickedit.editors.image# */{
+
+ /**
+ * @constructs
+ *
+ * @augments Drupal.quickedit.EditorView
+ *
+ * @param {object} options
+ * Options for the image editor.
+ */
+ initialize: function (options) {
+ Drupal.quickedit.EditorView.prototype.initialize.call(this, options);
+ // Set our original value to our current HTML (for reverting).
+ this.model.set('originalValue', this.$el.html().trim());
+ // $.val() callback function for copying input from our custom form to
+ // the Quick Edit Field Form.
+ this.model.set('currentValue', function (index, value) {
+ var matches = $(this).attr('name').match(/(alt|title)]$/);
+ if (matches) {
+ var name = matches[1];
+ var $toolgroup = $('#' + options.fieldModel.toolbarView.getMainWysiwygToolgroupId());
+ var $input = $toolgroup.find('.quickedit-image-field-info input[name="' + name + '"]');
+ if ($input.length) {
+ return $input.val();
+ }
+ }
+ });
+ },
+
+ /**
+ * @inheritdoc
+ *
+ * @param {Drupal.quickedit.FieldModel} fieldModel
+ * The field model that holds the state.
+ * @param {string} state
+ * The state to change to.
+ * @param {object} options
+ * State options, if needed by the state change.
+ */
+ stateChange: function (fieldModel, state, options) {
+ var from = fieldModel.previous('state');
+ switch (state) {
+ case 'inactive':
+ break;
+
+ case 'candidate':
+ if (from !== 'inactive') {
+ this.$el.find('.quickedit-image-dropzone').remove();
+ this.$el.removeClass('quickedit-image-element');
+ }
+ if (from === 'invalid') {
+ this.removeValidationErrors();
+ }
+ break;
+
+ case 'highlighted':
+ break;
+
+ case 'activating':
+ // Defer updating the field model until the current state change has
+ // propagated, to not trigger a nested state change event.
+ _.defer(function () {
+ fieldModel.set('state', 'active');
+ });
+ break;
+
+ case 'active':
+ var self = this;
+
+ // Indicate that this element is being edited by Quick Edit Image.
+ this.$el.addClass('quickedit-image-element');
+
+ // Render our initial dropzone element. Once the user reverts changes
+ // or saves a new image, this element is removed.
+ var $dropzone = this.renderDropzone('upload', Drupal.t('Drop file here or click to upload'));
+
+ $dropzone.on('dragenter', function (e) {
+ $(this).addClass('hover');
+ });
+ $dropzone.on('dragleave', function (e) {
+ $(this).removeClass('hover');
+ });
+
+ $dropzone.on('drop', function (e) {
+ // Only respond when a file is dropped (could be another element).
+ if (e.originalEvent.dataTransfer && e.originalEvent.dataTransfer.files.length) {
+ $(this).removeClass('hover');
+ self.uploadImage(e.originalEvent.dataTransfer.files[0]);
+ }
+ });
+
+ $dropzone.on('click', function (e) {
+ // Create an <input> element without appending it to the DOM, and
+ // trigger a click event. This is the easiest way to arbitrarily
+ // open the browser's upload dialog.
+ $('<input type="file">')
+ .trigger('click')
+ .on('change', function () {
+ if (this.files.length) {
+ self.uploadImage(this.files[0]);
+ }
+ });
+ });
+
+ // Prevent the browser's default behavior when dragging files onto
+ // the document (usually opens them in the same tab).
+ $dropzone.on('dragover dragenter dragleave drop click', function (e) {
+ e.preventDefault();
+ e.stopPropagation();
+ });
+
+ this.renderToolbar(fieldModel);
+ break;
+
+ case 'changed':
+ break;
+
+ case 'saving':
+ if (from === 'invalid') {
+ this.removeValidationErrors();
+ }
+
+ this.save(options);
+ break;
+
+ case 'saved':
+ break;
+
+ case 'invalid':
+ this.showValidationErrors();
+ break;
+ }
+ },
+
+ /**
+ * Validates/uploads a given file.
+ *
+ * @param {File} file
+ * The file to upload.
+ */
+ uploadImage: function (file) {
+ // Indicate loading by adding a special class to our icon.
+ this.renderDropzone('upload loading', Drupal.t('Uploading <i>@file</i>…', {'@file': file.name}));
+
+ // Build a valid URL for our endpoint.
+ var fieldID = this.fieldModel.get('fieldID');
+ var url = Drupal.quickedit.util.buildUrl(fieldID, Drupal.url('quickedit/image/upload/!entity_type/!id/!field_name/!langcode/!view_mode'));
+
+ // Construct form data that our endpoint can consume.
+ var data = new FormData();
+ data.append('files[image]', file);
+
+ // Construct a POST request to our endpoint.
+ var self = this;
+ this.ajax({
+ type: 'POST',
+ url: url,
+ data: data,
+ success: function (response) {
+ var $el = $(self.fieldModel.get('el'));
+ // Indicate that the field has changed - this enables the
+ // "Save" button.
+ self.fieldModel.set('state', 'changed');
+ self.fieldModel.get('entity').set('inTempStore', true);
+ self.removeValidationErrors();
+
+ // Replace our html with the new image. If we replaced our entire
+ // element with data.html, we would have to implement complicated logic
+ // like what's in Drupal.quickedit.AppView.renderUpdatedField.
+ var $content = $(response.html).closest('[data-quickedit-field-id]').children();
+ $el.empty().append($content);
+ }
+ });
+ },
+
+ /**
+ * Utility function to make an AJAX request to the server.
+ *
+ * In addition to formatting the correct request, this also handles error
+ * codes and messages by displaying them visually inline with the image.
+ *
+ * Drupal.ajax is not called here as the Form API is unused by this
+ * in-place editor, and our JSON requests/responses try to be
+ * editor-agnostic. Ideally similar logic and routes could be used by
+ * modules like CKEditor for drag+drop file uploads as well.
+ *
+ * @param {object} options
+ * Ajax options.
+ * @param {string} options.type
+ * The type of request (i.e. GET, POST, PUT, DELETE, etc.)
+ * @param {string} options.url
+ * The URL for the request.
+ * @param {*} options.data
+ * The data to send to the server.
+ * @param {function} options.success
+ * A callback function used when a request is successful, without errors.
+ */
+ ajax: function (options) {
+ var defaultOptions = {
+ context: this,
+ dataType: 'json',
+ cache: false,
+ contentType: false,
+ processData: false,
+ error: function () {
+ this.renderDropzone('error', Drupal.t('A server error has occurred.'));
+ }
+ };
+
+ var ajaxOptions = $.extend(defaultOptions, options);
+ var successCallback = ajaxOptions.success;
+
+ // Handle the success callback.
+ ajaxOptions.success = function (response) {
+ if (response.main_error) {
+ this.renderDropzone('error', response.main_error);
+ if (response.errors.length) {
+ this.model.set('validationErrors', response.errors);
+ }
+ this.showValidationErrors();
+ }
+ else {
+ successCallback(response);
+ }
+ };
+
+ $.ajax(ajaxOptions);
+ },
+
+ /**
+ * Renders our toolbar form for editing metadata.
+ *
+ * @param {Drupal.quickedit.FieldModel} fieldModel
+ * The current Field Model.
+ */
+ renderToolbar: function (fieldModel) {
+ var $toolgroup = $('#' + fieldModel.toolbarView.getMainWysiwygToolgroupId());
+ var $toolbar = $toolgroup.find('.quickedit-image-field-info');
+ if ($toolbar.length === 0) {
+ // Perform an AJAX request for extra image info (alt/title).
+ var fieldID = fieldModel.get('fieldID');
+ var url = Drupal.quickedit.util.buildUrl(fieldID, Drupal.url('quickedit/image/info/!entity_type/!id/!field_name/!langcode/!view_mode'));
+ var self = this;
+ self.ajax({
+ type: 'GET',
+ url: url,
+ success: function (response) {
+ $toolbar = $(Drupal.theme.quickeditImageToolbar(response));
+ $toolgroup.append($toolbar);
+ $toolbar.on('keyup paste', function () {
+ fieldModel.set('state', 'changed');
+ });
+ // Re-position the toolbar, which could have changed size.
+ fieldModel.get('entity').toolbarView.position();
+ }
+ });
+ }
+ },
+
+ /**
+ * Renders our dropzone element.
+ *
+ * @param {string} state
+ * The current state of our editor. Only used for visual styling.
+ * @param {string} text
+ * The text to display in the dropzone area.
+ *
+ * @return {jQuery}
+ * The rendered dropzone.
+ */
+ renderDropzone: function (state, text) {
+ var $dropzone = this.$el.find('.quickedit-image-dropzone');
+ // If the element already exists, modify its contents.
+ if ($dropzone.length) {
+ $dropzone
+ .removeClass('upload error hover loading')
+ .addClass('.quickedit-image-dropzone ' + state)
+ .children('.quickedit-image-text')
+ .html(text);
+ }
+ else {
+ $dropzone = $(Drupal.theme('quickeditImageDropzone', {
+ state: state,
+ text: text
+ }));
+ this.$el.append($dropzone);
+ }
+
+ return $dropzone;
+ },
+
+ /**
+ * @inheritdoc
+ */
+ revert: function () {
+ this.$el.html(this.model.get('originalValue'));
+ },
+
+ /**
+ * @inheritdoc
+ */
+ getQuickEditUISettings: function () {
+ return {padding: false, unifiedToolbar: true, fullWidthToolbar: true, popup: false};
+ },
+
+ /**
+ * @inheritdoc
+ */
+ showValidationErrors: function () {
+ var errors = Drupal.theme('quickeditImageErrors', {
+ errors: this.model.get('validationErrors')
+ });
+ $('#' + this.fieldModel.toolbarView.getMainWysiwygToolgroupId())
+ .append(errors);
+ this.getEditedElement()
+ .addClass('quickedit-validation-error');
+ // Re-position the toolbar, which could have changed size.
+ this.fieldModel.get('entity').toolbarView.position();
+ },
+
+ /**
+ * @inheritdoc
+ */
+ removeValidationErrors: function () {
+ $('#' + this.fieldModel.toolbarView.getMainWysiwygToolgroupId())
+ .find('.quickedit-image-errors').remove();
+ this.getEditedElement()
+ .removeClass('quickedit-validation-error');
+ }
+
+ });
+
+})(jQuery, _, Drupal);
projects / yaffs-website / blobdiff