var CkEditorImageBrowser = {};
CkEditorImageBrowser.folders = [];
CkEditorImageBrowser.images = {}; //folder => list of images
CkEditorImageBrowser.ckFunctionNum = null;
CkEditorImageBrowser.$folderSwitcher = null;
CkEditorImageBrowser.$imagesContainer = null;
CkEditorImageBrowser.init = function () {
CkEditorImageBrowser.$folderSwitcher = $('#js-folder-switcher');
CkEditorImageBrowser.$imagesContainer = $('#js-images-container');
var baseHref = CkEditorImageBrowser.getQueryStringParam("baseHref");
if (baseHref) {
var h = (document.head || document.getElementsByTagName("head")[0]),
el = h.getElementsByTagName("link")[0];
el.href = location.href.replace(/\/[^\/]*$/,"/browser.css");
(h.getElementsByTagName("base")[0]).href = baseHref;
}
CkEditorImageBrowser.ckFunctionNum = CkEditorImageBrowser.getQueryStringParam('CKEditorFuncNum');
CkEditorImageBrowser.initEventHandlers();
CkEditorImageBrowser.loadData(CkEditorImageBrowser.getQueryStringParam('listUrl'), function () {
CkEditorImageBrowser.initFolderSwitcher();
});
};
CkEditorImageBrowser.loadData = function (url, onLoaded) {
CkEditorImageBrowser.folders = [];
CkEditorImageBrowser.images = {};
$.getJSON(url, function (list) {
$.each(list, function (_idx, item) {
if (typeof(item.folder) === 'undefined') {
item.folder = 'Images';
}
if (typeof(item.thumb) === 'undefined') {
item.thumb = item.image;
}
CkEditorImageBrowser.addImage(item.folder, item.image, item.thumb);
});
onLoaded();
}).error(function(jqXHR, textStatus, errorThrown) {
var errorMessage;
if (jqXHR.status < 200 || jqXHR.status >= 400) {
errorMessage = 'HTTP Status: ' + jqXHR.status + '/' + jqXHR.statusText + ': "<strong style="color: red;">' + url + '</strong>"';
} else if (textStatus === 'parsererror') {
errorMessage = textStatus + ': invalid JSON file: "<strong style="color: red;">' + url + '</strong>": ' + errorThrown.message;
} else {
errorMessage = textStatus + ' / ' + jqXHR.statusText + ' / ' + errorThrown.message;
}
CkEditorImageBrowser.$imagesContainer.html(errorMessage);
});
};
CkEditorImageBrowser.addImage = function (folderName, imageUrl, thumbUrl) {
if (typeof(CkEditorImageBrowser.images[folderName]) === 'undefined') {
CkEditorImageBrowser.folders.push(folderName);
CkEditorImageBrowser.images[folderName] = [];
}
CkEditorImageBrowser.images[folderName].push({
"imageUrl": imageUrl,
"thumbUrl": thumbUrl
});
};
CkEditorImageBrowser.initFolderSwitcher = function () {
var $switcher = CkEditorImageBrowser.$folderSwitcher;
$switcher.find('li').remove();
$.each(CkEditorImageBrowser.folders, function (idx, folderName) {
var $option = $('<li></li>').data('idx', idx).text(folderName);
$option.appendTo($switcher);
});
if (CkEditorImageBrowser.folders.length === 0) {
$switcher.remove();
CkEditorImageBrowser.$imagesContainer.text('No images.');
} else {
if (CkEditorImageBrowser.folders.length === 1) {
$switcher.hide();
}
$switcher.find('li:first').click();
}
};
CkEditorImageBrowser.renderImagesForFolder = function (folderName) {
var images = CkEditorImageBrowser.images[folderName],
templateHtml = $('#js-template-image').html();
CkEditorImageBrowser.$imagesContainer.html('');
$.each(images, function (_idx, imageData) {
var html = templateHtml;
html = html.replace('%imageUrl%', imageData.imageUrl);
html = html.replace('%thumbUrl%', imageData.thumbUrl);
var $item = $($.parseHTML(html));
CkEditorImageBrowser.$imagesContainer.append($item);
});
};
CkEditorImageBrowser.initEventHandlers = function () {
$(document).on('click', '#js-folder-switcher li', function () {
var idx = parseInt($(this).data('idx'), 10),
folderName = CkEditorImageBrowser.folders[idx];
$(this).siblings('li').removeClass('active');
$(this).addClass('active');
CkEditorImageBrowser.renderImagesForFolder(folderName);
});
$(document).on('click', '.js-image-link', function () {
window.opener.CKEDITOR.tools.callFunction(CkEditorImageBrowser.ckFunctionNum, $(this).data('url'));
window.close();
});
};
CkEditorImageBrowser.getQueryStringParam = function (name) {
var regex = new RegExp('[?&]' + name + '=([^&]*)'),
result = window.location.search.match(regex);
return (result && result.length > 1 ? decodeURIComponent(result[1]) : null);
};