/* (c) Copyright by authors of the Tiki Wiki CMS Groupware Project
 * 
 * All Rights Reserved. See copyright.txt for details and a complete list of authors.
 * Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
 * $Id$
 *
 * Main Tiki Wiki markup integration plugin.
 * 
 * Based on work done by the MediaWiki Team for FCKEditor, big thanx to them
 * Initial clues from: http://mediawiki.fckeditor.net/index.php/Talk:Main_Page#CKEditor
 * (author Juan Valencia, thanks also)
 */

CKEDITOR.plugins.add('tikiwiki',{
    ckToHtml: null,
    editor: null,
    dataFilter: null,

    init: function(editor)    {
        var twplugin = this;
        this.ckToHtml = editor.dataProcessor.toHtml;        // reference to original ckeditor dataProcessor
        this.editor = editor;                                // which expects these references too
        this.dataFilter = editor.dataProcessor.dataFilter;

        var oldToDataFormat = editor.dataProcessor.toDataFormat ;
        editor.dataProcessor.toDataFormat     = function ( html, fixForBody ) {
            if (html === "<p><br></p>") {
                html = "";
            }
            return twplugin.toWikiFormat( editor, oldToDataFormat.call( editor.dataProcessor, html, fixForBody ) );
        };
        editor.dataProcessor.toHtml            = function ( data, fixForBody ) { return twplugin.toHtmlFormat( editor, data ); };

        // data in the clipboard is html, the input format is expected to be wiki
        editor.on('paste', function(evt) {evt.editor.insertHtml(twplugin.toWikiFormat( editor, evt.data.dataValue )); evt.stop(); }, editor.element.$);

        // If the "contextmenu" plugin is loaded, register a listener to disable the html table editor
        if (editor.contextMenu) {
            editor.contextMenu.addListener(function (element, selection) {

                if (element.is('table') || element.is('th') || element.is('td')) {
                    for (var i = 0; i < editor.contextMenu.items.length; i++ ) {
                        if (editor.contextMenu.items[i].command === "tableProperties") {
                            editor.contextMenu.items[i].state = CKEDITOR.TRISTATE_DISABLED;
                            break;
                        }
                    }
                    return {};
                }
            });
        }
    },

    toWikiFormat: function ( editor, html, fixForBody ) {
        // try ajax
        var output = "",
            savedHtml = html;

        jQuery.ajax({
            async: false,    // wait for this one
            url: $.service("edit", "towiki"),
            type: "POST",
            dataType: "json",
            data: {
                referer: editor.config.autoSaveSelf,
                editor_id: editor.name,
                data: html
            },
            // good callback
            success: function(data) {
                output = data.data;
            },
            // bad callback - no good info in the params :(
            error: function(req, status, error) {
                $("#tikifeedback").showError(error.message + " (" + status + ")");
                output = savedHtml;
            }
        });
        return output;
    },

    toHtmlFormat: function ( editor, data ) {
        // deal with plugins here?
        var output = "",
            twplugin = this,
            isHtml = auto_save_allowHtml(editor.element.$.form),
            savedData = data;

        if (typeof editor.pluginReparsing !== "undefined" && editor.pluginReparsing) {
            editor.pluginReparsing = false;
            return data;
        }

        ajaxLoadingShow( "cke_contents_" + editor.name);
        jQuery.ajax({
            async: false,    // wait for this one
            url: $.service("edit", "tohtml"),
            type: "POST",
            dataType: "json",
            data: {
                referer: editor.config.autoSaveSelf,
                editor_id: editor.name,
                data: data,
                allowhtml: isHtml
            },
            // good callback
            success: function(data) {
                output = data.data;
                output = twplugin.ckToHtml.call(twplugin, output);
            },
            // bad callback - no good info in the params :(
            error: function(req, status, error) {
                $("#tikifeedback").showError(error.message + " (" + status + ")");
                output = savedData;
            }
        });
        ajaxLoadingHide();
        return output;
    }

});