CaffGeek/MBACNationals

var autosave, autosaveLast = '', autosavePeriodical, autosaveOldMessage = '', autosaveDelayPreview = false, notSaved = true, blockSave = false, interimLogin = false;

jQuery(document).ready( function($) {
    var dotabkey = true;
    
    autosaveLast = $('#post #title').val() + $('#post #content').val();
    autosavePeriodical = $.schedule({time: autosaveL10n.autosaveInterval * 1000, func: function() { autosave(); }, repeat: true, protect: true});

    //Disable autosave after the form has been submitted
    $("#post").submit(function() {
        $.cancel(autosavePeriodical);
    });

    $('input[type="submit"], a.submitdelete', '#submitpost').click(function(){
        blockSave = true;
        window.onbeforeunload = null;
        $(':button, :submit', '#submitpost').each(function(){
            var t = $(this);
            if ( t.hasClass('button-primary') )
                t.addClass('button-primary-disabled');
            else
                t.addClass('button-disabled');
        });
        $('#ajax-loading').css('visibility', 'visible');
    });

    window.onbeforeunload = function(){
        var mce = typeof(tinyMCE) != 'undefined' ? tinyMCE.activeEditor : false, title, content;

        if ( mce && !mce.isHidden() ) {
            if ( mce.isDirty() )
                return autosaveL10n.saveAlert;
        } else {
            title = $('#post #title').val(), content = $('#post #content').val();
            if ( ( title || content ) && title + content != autosaveLast )
                return autosaveL10n.saveAlert;
        }
    };

    // preview
    $('#post-preview').click(function(){
        if ( 1 > $('#post_ID').val() && notSaved ) {
            autosaveDelayPreview = true;
            autosave();
            return false;
        }
        doPreview();
        return false;
    });

    doPreview = function() {
        $('input#wp-preview').val('dopreview');
        $('form#post').attr('target', 'wp-preview').submit().attr('target', '');
        $('input#wp-preview').val('');
    }

    //  This code is meant to allow tabbing from Title to Post if tinyMCE is defined.
    if ( typeof tinyMCE != 'undefined' ) {
        $('#title')[$.browser.opera ? 'keypress' : 'keydown'](function (e) {
            if ( e.which == 9 && !e.shiftKey && !e.controlKey && !e.altKey ) {
                if ( ($("#post_ID").val() < 1) && ($("#title").val().length > 0) ) { autosave(); }
                if ( tinyMCE.activeEditor && ! tinyMCE.activeEditor.isHidden() && dotabkey ) {
                    e.preventDefault();
                    dotabkey = false;
                    tinyMCE.activeEditor.focus();
                    return false;
                }
            }
        });
    }

    // autosave new posts after a title is typed but not if Publish or Save Draft is clicked
    if ( 0 > $('#post_ID').val() ) {
        $('#title').blur( function() {
            if ( !this.value || 0 < $('#post_ID').val() )
                return;

            delayed_autosave();
        });
    }
});

function autosave_parse_response(response) {
    var res = wpAjax.parseAjaxResponse(response, 'autosave'), message = '', postID, sup, url;

    if ( res && res.responses && res.responses.length ) {
        message = res.responses[0].data; // The saved message or error.
        // someone else is editing: disable autosave, set errors
        if ( res.responses[0].supplemental ) {
            sup = res.responses[0].supplemental;
            if ( 'disable' == sup['disable_autosave'] ) {
                autosave = function() {};
                res = { errors: true };
            }
            if ( sup['session_expired'] && (url = sup['session_expired']) ) {
                if ( !interimLogin || interimLogin.closed ) {
                    interimLogin = window.open(url, 'login', 'width=600,height=450,resizable=yes,scrollbars=yes,status=yes');
                    interimLogin.focus();
                }
                delete sup['session_expired'];
            }
            jQuery.each(sup, function(selector, value) {
                if ( selector.match(/^replace-/) ) {
                    jQuery('#'+selector.replace('replace-', '')).val(value);
                }
            });
        }

        // if no errors: add slug UI
        if ( !res.errors ) {
            postID = parseInt( res.responses[0].id, 10 );
            if ( !isNaN(postID) && postID > 0 ) {
                autosave_update_slug(postID);
            }
        }
    }
    if ( message ) { jQuery('#autosave').html(message); } // update autosave message
    else if ( autosaveOldMessage && res ) { jQuery('#autosave').html( autosaveOldMessage ); }
    return res;
}

// called when autosaving pre-existing post
function autosave_saved(response) {
    autosave_parse_response(response); // parse the ajax response
    autosave_enable_buttons(); // re-enable disabled form buttons
}

// called when autosaving new post
function autosave_saved_new(response) {
    var res = autosave_parse_response(response), tempID, postID;
    // if no errors: update post_ID from the temporary value, grab new save-nonce for that new ID
    if ( res && res.responses.length && !res.errors ) {
        tempID = jQuery('#post_ID').val();
        postID = parseInt( res.responses[0].id, 10 );
        autosave_update_post_ID( postID ); // disabled form buttons are re-enabled here
        if ( tempID < 0 && postID > 0 ) { // update media buttons
            notSaved = false;
            jQuery('#media-buttons a').each(function(){
                this.href = this.href.replace(tempID, postID);
            });
        }
        if ( autosaveDelayPreview ) {
            autosaveDelayPreview = false;
            doPreview();
        }
    } else {
        autosave_enable_buttons(); // re-enable disabled form buttons
    }
}

function autosave_update_post_ID( postID ) {
    if ( !isNaN(postID) && postID > 0 ) {
        if ( postID == parseInt(jQuery('#post_ID').val(), 10) ) { return; } // no need to do this more than once
        jQuery('#post_ID').attr({name: "post_ID"});
        jQuery('#post_ID').val(postID);
        // We need new nonces
        jQuery.post(autosaveL10n.requestFile, {
            action: "autosave-generate-nonces",
            post_ID: postID,
            autosavenonce: jQuery('#autosavenonce').val(),
            post_type: jQuery('#post_type').val()
        }, function(html) {
            jQuery('#_wpnonce').val(html.updateNonce);
            jQuery('#delete-action a.submitdelete').attr('href', html.deleteURL);
            autosave_enable_buttons(); // re-enable disabled form buttons
            jQuery('#delete-action a.submitdelete').fadeIn();
        },
        'json');
        jQuery('#hiddenaction').val('editpost');
    }
}

function autosave_update_slug(post_id) {
    // create slug area only if not already there
    if ( 'undefined' != makeSlugeditClickable && jQuery.isFunction(makeSlugeditClickable) && !jQuery('#edit-slug-box > *').size() ) {
        jQuery.post(
            ajaxurl,
            {
                action: 'sample-permalink',
                post_id: post_id,
                new_title: jQuery('#title').val(),
                samplepermalinknonce: jQuery('#samplepermalinknonce').val()
            },
            function(data) {
                jQuery('#edit-slug-box').html(data);
                makeSlugeditClickable();
            }
        );
    }
}

function autosave_loading() {
    jQuery('#autosave').html(autosaveL10n.savingText);
}

function autosave_enable_buttons() {
    // delay that a bit to avoid some rare collisions while the DOM is being updated.
    setTimeout(function(){
        jQuery(':button, :submit', '#submitpost').removeAttr('disabled');
        jQuery('#ajax-loading').css('visibility', 'hidden');
    }, 500);
}

function autosave_disable_buttons() {
    jQuery(':button, :submit', '#submitpost').attr('disabled', 'disabled');
    // Re-enable 5 sec later.  Just gives autosave a head start to avoid collisions.
    setTimeout(autosave_enable_buttons, 5000);
}

function delayed_autosave() {
    setTimeout(function(){
        if ( blockSave )
            return;
        autosave();
    }, 200);
}

autosave = function() {
    // (bool) is rich editor enabled and active
    var rich = (typeof tinyMCE != "undefined") && tinyMCE.activeEditor && !tinyMCE.activeEditor.isHidden(), post_data, doAutoSave, ed, origStatus, successCallback;

    autosave_disable_buttons();

    post_data = {
        action: "autosave",
        post_ID:  jQuery("#post_ID").val() || 0,
        post_title: jQuery("#title").val() || "",
        autosavenonce: jQuery('#autosavenonce').val(),
        post_type: jQuery('#post_type').val() || "",
        autosave: 1
    };

    jQuery('.tags-input').each( function() {
        post_data[this.name] = this.value;
    } );

    // We always send the ajax request in order to keep the post lock fresh.
    // This (bool) tells whether or not to write the post to the DB during the ajax request.
    doAutoSave = true;

    // No autosave while thickbox is open (media buttons)
    if ( jQuery("#TB_window").css('display') == 'block' )
        doAutoSave = false;

    /* Gotta do this up here so we can check the length when tinyMCE is in use */
    if ( rich && doAutoSave ) {
        ed = tinyMCE.activeEditor;
        // Don't run while the TinyMCE spellcheck is on. It resets all found words.
        if ( ed.plugins.spellchecker && ed.plugins.spellchecker.active ) {
            doAutoSave = false;
        } else {
            if ( 'mce_fullscreen' == ed.id )
                tinyMCE.get('content').setContent(ed.getContent({format : 'raw'}), {format : 'raw'});
            tinyMCE.get('content').save();
        }
    }

    post_data["content"] = jQuery("#content").val();
    if ( jQuery('#post_name').val() )
        post_data["post_name"] = jQuery('#post_name').val();

    // Nothing to save or no change.
    if ( ( post_data["post_title"].length == 0 && post_data["content"].length == 0 ) || post_data["post_title"] + post_data["content"] == autosaveLast ) {
        doAutoSave = false;
    }

    origStatus = jQuery('#original_post_status').val();

    goodcats = ([]);
    jQuery("[name='post_category[]']:checked").each( function(i) {
        goodcats.push(this.value);
    } );
    post_data["catslist"] = goodcats.join(",");

    if ( jQuery("#comment_status").attr("checked") )
        post_data["comment_status"] = 'open';
    if ( jQuery("#ping_status").attr("checked") )
        post_data["ping_status"] = 'open';
    if ( jQuery("#excerpt").size() )
        post_data["excerpt"] = jQuery("#excerpt").val();
    if ( jQuery("#post_author").size() )
        post_data["post_author"] = jQuery("#post_author").val();
    post_data["user_ID"] = jQuery("#user-id").val();

    if ( doAutoSave ) {
        autosaveLast = jQuery("#title").val()+jQuery("#content").val();
    } else {
        post_data['autosave'] = 0;
    }

    if ( parseInt(post_data["post_ID"], 10) < 1 ) {
        post_data["temp_ID"] = post_data["post_ID"];
        successCallback = autosave_saved_new; // new post
    } else {
        successCallback = autosave_saved; // pre-existing post
    }

    autosaveOldMessage = jQuery('#autosave').html();

    jQuery.ajax({
        data: post_data,
        beforeSend: doAutoSave ? autosave_loading : null,
        type: "POST",
        url: autosaveL10n.requestFile,
        success: successCallback
    });
}