378 lines
11 KiB
JavaScript
378 lines
11 KiB
JavaScript
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/**
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* InputfieldCKEditor.js
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*
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* Initialization for CKEditor
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*
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*/
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/**
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* Get ProcessWire config settings for given CKE editor object or name
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*
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* @param editor
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* @returns {*}
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*
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*/
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function ckeGetProcessWireConfig(editor) {
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var editorName = typeof editor == "string" ? editor : editor.name;
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var configName = editorName.replace('Inputfield_', 'InputfieldCKEditor_');
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var $repeaterItem = '';
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var settings = {};
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configName = configName.replace('Inputfield_', 'InputfieldCKEditor_');
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if(typeof ProcessWire.config[configName] == "undefined" && configName.indexOf('_repeater') > 0) {
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configName = configName.replace(/_repeater[0-9]+/, '');
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$repeaterItem = $('#' + editorName).closest('.InputfieldRepeaterItem');
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}
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if(typeof ProcessWire.config[configName] == "undefined" && configName.indexOf('_ckeditor') > 0) {
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configName = configName.replace(/_ckeditor$/, ''); // inline only
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}
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if(typeof ProcessWire.config[configName] == "undefined" && configName.indexOf('__') > 0) {
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configName = configName.replace(/__\d+$/, ''); // remove language-id
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}
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if(typeof ProcessWire.config[configName] == "undefined") {
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settings.error = 'Cannot find CKEditor settings for ' + configName;
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} else {
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settings = ProcessWire.config[configName];
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}
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if($repeaterItem.length) {
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settings['repeaterItem'] = $repeaterItem;
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} else {
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settings['repeaterItem'] = '';
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}
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return settings;
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}
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/**
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* Add external plugins
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*
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* These are located in:
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* /wire/modules/Inputfield/InputfieldCKEditor/plugins/[name]/plugin.js (core external plugins)
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* /site/modules/InputfieldCKEditor/plugins/[name]/plugin.js (site external plugins)
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*
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*/
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function ckeLoadPlugins() {
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for(var name in ProcessWire.config.InputfieldCKEditor.plugins) {
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var file = ProcessWire.config.InputfieldCKEditor.plugins[name];
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CKEDITOR.plugins.addExternal(name, file, '');
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}
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}
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ckeLoadPlugins();
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/**
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* Event called when an editor is blurred, so that we can check for changes
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*
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* @param event
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*
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*/
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function ckeBlurEvent(event) {
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var editor = event.editor;
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var $textarea = $(editor.element.$);
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if(editor.checkDirty()) {
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// value changed
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if($textarea.length) {
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if($textarea.is("textarea")) $textarea.change();
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$textarea.closest(".Inputfield").addClass('InputfieldStateChanged');
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}
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}
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}
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/**
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* Event called when an editor is focused
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*
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* @param event
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*
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*/
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function ckeFocusEvent(event) {
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var editor = event.editor;
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var $textarea = $(editor.element.$);
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$textarea.trigger('pw-focus');
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}
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/**
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* Event called when an editor is resized vertically
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*
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* @param event
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*
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*/
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function ckeResizeEvent(event) {
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var editor = event.editor;
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var $textarea = $(editor.element.$);
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if($textarea.length) {
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$textarea.closest(".Inputfield").trigger('heightChanged');
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}
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}
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/**
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* Handler for fileUploadRequest event
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*
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* @param event
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*
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*/
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function ckeUploadEvent(event) {
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var xhr = event.data.fileLoader.xhr;
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var fileLoader = event.data.fileLoader;
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var settings = ckeGetProcessWireConfig(event.editor);
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var uploadFieldName = settings ? settings.pwUploadField : '_unknown';
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var $imageInputfield = $('#Inputfield_' + uploadFieldName);
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if(typeof settings.repeaterItem != "undefined" && settings.repeaterItem.length) {
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var $repeaterImageField = settings.repeaterItem.find('.InputfieldImage:not(.InputfieldFileSingle)');
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if($repeaterImageField.length) $imageInputfield = $repeaterImageField;
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}
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if($imageInputfield.length) {
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xhr.open("POST", fileLoader.uploadUrl, true);
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$imageInputfield.trigger('pwimageupload', {
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'name': fileLoader.fileName,
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'file': fileLoader.file,
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'xhr': xhr
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});
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// Prevented the default behavior.
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event.stop();
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} else {
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if(typeof settings.error != "undefined" && settings.error.length) {
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ProcessWire.alert(settings.error);
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} else {
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ProcessWire.alert('Unable to find images field for upload');
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}
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event.stop();
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return false;
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}
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}
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/**
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* Attach events common to all CKEditor instances
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*
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* @param editor CKEditor instance
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*
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*/
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function ckeInitEvents(editor) {
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editor.on('blur', ckeBlurEvent);
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editor.on('focus', ckeFocusEvent);
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editor.on('change', ckeBlurEvent);
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editor.on('resize', ckeResizeEvent);
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editor.on('fileUploadRequest', ckeUploadEvent, null, null, 4);
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var $textarea = $(editor.element.$);
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var $inputfield = $textarea.closest('.Inputfield.InputfieldColumnWidth');
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if($inputfield.length) setTimeout(function() {
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$inputfield.trigger('heightChanged');
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}, 1000);
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}
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/**
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* Called on saveReady or submit to copy inline contents to a form element in the POST request
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*
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* @param $inputfield
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*
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*/
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function ckeSaveReadyInline($inputfield) {
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if(!$inputfield.length) return;
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var $inlines = $inputfield.hasClass('.InputfieldCKEditorInline') ? $inputfield : $inputfield.find(".InputfieldCKEditorInline");
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if($inlines.length) $inlines.each(function() {
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var $t = $(this);
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var value;
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if($t.hasClass('InputfieldCKEditorLoaded')) {
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var editor = CKEDITOR.instances[$t.attr('id')];
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// getData() ensures there are no CKE specific remnants in the markup
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if(typeof editor != "undefined") {
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if(editor.focusManager.hasFocus) {
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// TMP: CKEditor 4.5.1 / 4.5.2 has documented bug that causes JS error on editor.getData() here
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// this section of code can be removed after they fix it (presumably in 4.5.3)
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editor.focusManager.focus(true);
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editor.focus();
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}
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value = editor.getData();
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}
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} else {
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value = $t.html();
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}
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var $input = $t.next('input');
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$input.attr('value', value);
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});
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}
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/**
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* Called on saveReady event to force an editor.updateElement() to update original textarea
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*
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* @param $inputfield
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*
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*/
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function ckeSaveReadyNormal($inputfield) {
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var $normals = $inputfield.hasClass('InputfieldCKEditorNormal') ? $inputfield : $inputfield.find(".InputfieldCKEditorNormal");
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$normals.each(function() {
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var $t = $(this);
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if(!$t.hasClass('InputfieldCKEditorLoaded')) return;
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var editor = CKEDITOR.instances[$t.attr('id')];
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editor.updateElement();
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});
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}
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/**
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* Mouseover or focus event that activates inline CKEditor instances
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*
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* @param event
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*
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*/
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function ckeInlineMouseoverEvent(event) {
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// we initialize the inline editor only when moused over
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// so that a page can handle lots of editors at once without
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// them all being active
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var $t = $(this);
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if($t.hasClass("InputfieldCKEditorLoaded")) return;
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$t.effect('highlight', {}, 500);
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$t.attr('contenteditable', 'true');
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var configName = $t.attr('data-configName');
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if(event.type == 'focusin') {
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CKEDITOR.once('instanceReady', function(event) {
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$(':focus').blur();
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event.editor.focus();
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});
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}
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var editor = CKEDITOR.inline($(this).attr('id'), ProcessWire.config[configName]);
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ckeInitEvents(editor);
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$t.addClass("InputfieldCKEditorLoaded");
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}
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/**
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* CKEditors hidden in jQuery UI tabs sometimes don't work so this initializes them when they become visible
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*
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*/
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function ckeInitTab(event, ui) {
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var $t = ui.newTab;
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var $a = $t.find('a');
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if($a.hasClass('InputfieldCKEditor_init')) return;
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var editorID = $a.attr('data-editorID');
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var configName = $a.attr('data-configName');
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var editor = CKEDITOR.replace(editorID, config[configName]);
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ckeInitEvents(editor);
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$a.addClass('InputfieldCKEditor_init');
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ui.oldTab.find('a').addClass('InputfieldCKEditor_init'); // in case it was the starting one
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var $editor = $("#" + editorID);
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$editor.addClass('InputfieldCKEditorLoaded');
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}
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/**
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* Initialize a normal CKEditor instance for the given textarea ID
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*
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* @param editorID
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*
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*/
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function ckeInitNormal(editorID) {
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var $editor = $('#' + editorID);
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var $parent = $editor.parent();
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if(typeof ProcessWire.config.InputfieldCKEditor.editors[editorID] != "undefined") {
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var configName = ProcessWire.config.InputfieldCKEditor.editors[editorID];
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} else {
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var configName = $editor.attr('data-configName');
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}
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if($parent.hasClass('ui-tabs-panel') && $parent.css('display') == 'none') {
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// CKEditor in a jQuery UI tab (like langTabs)
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var parentID = $editor.parent().attr('id');
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var $a = $parent.closest('.ui-tabs, .langTabs').find('a[href=#' + parentID + ']');
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$a.attr('data-editorID', editorID).attr('data-configName', configName);
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$parent.closest('.ui-tabs, .langTabs').on('tabsactivate', ckeInitTab);
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} else {
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// visible CKEditor
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var editor;
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if(typeof ProcessWire.config[configName] != "undefined") {
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var editor = CKEDITOR.replace(editorID, ProcessWire.config[configName]);
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} else if(typeof $editor.attr('data-configdata') != "undefined") {
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// allow for alternate option of config data being passed through a data attribute
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// useful for some dynamic/ajax situations
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var configData = JSON.parse($editor.attr('data-configdata'));
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ProcessWire.config[configName] = configData;
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var editor = CKEDITOR.replace(editorID, configData);
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}
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if(editor) {
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ckeInitEvents(editor);
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$editor.addClass('InputfieldCKEditorLoaded');
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}
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}
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}
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/**
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* Prepare inline editors
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*
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*/
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$(document).ready(function() {
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/**
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* Override ckeditor timestamp for cache busting
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*
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*/
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CKEDITOR.timestamp = ProcessWire.config.InputfieldCKEditor.timestamp;
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/**
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* Regular editors
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*
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*/
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for(var editorID in ProcessWire.config.InputfieldCKEditor.editors) {
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ckeInitNormal(editorID);
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}
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$(document).on('reloaded', '.InputfieldCKEditor', function() {
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// reloaded event is sent to .Inputfield when the contents of the .Inputfield
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// have been replaced with new markup
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var $editor = $(this).find('.InputfieldCKEditorNormal:not(.InputfieldCKEditorLoaded)');
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$editor.each(function() {
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ckeInitNormal($(this).attr('id'));
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});
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return false;
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});
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$(document).on('image-edit', '.InputfieldCKEditor', function() {
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// re-initialize CKE when image-edit event triggers (from InputfieldImage.js) via rpsallis
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var $editor = $(this).find('.InputfieldCKEditorNormal');
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$editor.each(function() {
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var editorID = $(this).attr('id');
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if(typeof CKEDITOR.instances[editorID] !== 'undefined') CKEDITOR.instances[editorID].destroy();
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ckeInitNormal(editorID);
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});
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});
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/**
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* Inline editors
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*
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*/
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CKEDITOR.disableAutoInline = true;
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$(document).on('mouseover focus', '.InputfieldCKEditorInlineEditor', ckeInlineMouseoverEvent);
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$(document).on('submit', 'form.InputfieldForm', function() {
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ckeSaveReadyInline($(this));
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// note: not necessary for regular editors since CKE takes care
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// of populating itself to the textarea on it's own during submit
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});
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/**
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* saveReady event handler
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*
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* saveReady is sent by some form-to-ajax page save utils in ProcessWire
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* found it was necessary for normal CKE instances because a cancelled submit
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* event was not updating the original textarea, so we do it manually
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*
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*/
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$(document).on('saveReady', '.InputfieldCKEditor', function() {
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ckeSaveReadyNormal($(this));
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ckeSaveReadyInline($(this));
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});
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});
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