B4BY.588

: / home / sportmx / public_html / wp-content / plugins / rel-nofollow-checkbox /
Filename : wplink.js
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/* rel-nofollow-checkbox v1.1.5 | GPLv2 License | by fabiosantos.me */
/* global ajaxurl, tinymce, wpLinkL10n, setUserSetting, wpActiveEditor */

var wpLink;

( function( $, wpLinkL10n, wp ) {
    var editor, searchTimer, River, Query, correctedURL, linkNode,
        emailRegexp = /^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,63}$/i,
        urlRegexp = /^(https?|ftp):\/\/[A-Z0-9.-]+\.[A-Z]{2,63}[^ "]*$/i,
        inputs = {},
        rivers = {},
        isTouch = ( 'ontouchend' in document );

    function getLink() {
        return linkNode || editor.dom.getParent( editor.selection.getNode(), 'a[href]' );
    }

    wpLink = {
        timeToTriggerRiver: 150,
        minRiverAJAXDuration: 200,
        riverBottomThreshold: 5,
        keySensitivity: 100,
        lastSearch: '',
        textarea: '',
        modalOpen: false,

        init: function() {
            // Add custom checkbox
            var relCheckbox = '<div><label><span> </span><input type="checkbox" id="rel-nofollow-checkbox" /><strong> rel="nofollow"</strong></label></div>';
            $(relCheckbox).insertAfter( '#wp-link .link-target' );
            
            inputs.wrap = $('#wp-link-wrap');
            inputs.dialog = $( '#wp-link' );
            inputs.backdrop = $( '#wp-link-backdrop' );
            inputs.submit = $( '#wp-link-submit' );
            inputs.close = $( '#wp-link-close' );

            // Input
            inputs.text = $( '#wp-link-text' );
            inputs.url = $( '#wp-link-url' );
            inputs.nonce = $( '#_ajax_linking_nonce' );
            inputs.openInNewTab = $( '#wp-link-target' );
            inputs.noFollow = $( '#rel-nofollow-checkbox' );
            inputs.search = $( '#wp-link-search' );

            // Build Rivers
            rivers.search = new River( $( '#search-results' ) );
            rivers.recent = new River( $( '#most-recent-results' ) );
            rivers.elements = inputs.dialog.find( '.query-results' );

            // Get search notice text
            inputs.queryNotice = $( '#query-notice-message' );
            inputs.queryNoticeTextDefault = inputs.queryNotice.find( '.query-notice-default' );
            inputs.queryNoticeTextHint = inputs.queryNotice.find( '.query-notice-hint' );

            // Bind event handlers
            inputs.dialog.keydown( wpLink.keydown );
            inputs.dialog.keyup( wpLink.keyup );
            inputs.submit.click( function( event ) {
                event.preventDefault();
                wpLink.update();
            });

            inputs.close.add( inputs.backdrop ).add( '#wp-link-cancel button' ).click( function( event ) {
                event.preventDefault();
                wpLink.close();
            });

            rivers.elements.on( 'river-select', wpLink.updateFields );

            // Display 'hint' message when search field or 'query-results' box are focused
            inputs.search.on( 'focus.wplink', function() {
                inputs.queryNoticeTextDefault.hide();
                inputs.queryNoticeTextHint.removeClass( 'screen-reader-text' ).show();
            } ).on( 'blur.wplink', function() {
                inputs.queryNoticeTextDefault.show();
                inputs.queryNoticeTextHint.addClass( 'screen-reader-text' ).hide();
            } );

            inputs.search.on( 'keyup input', function() {
                window.clearTimeout( searchTimer );
                searchTimer = window.setTimeout( function() {
                    wpLink.searchInternalLinks();
                }, 500 );
            });

            inputs.url.on( 'paste', function() {
                setTimeout( wpLink.correctURL, 0 );
            } );

            inputs.url.on( 'blur', wpLink.correctURL );
        },

        // If URL wasn't corrected last time and doesn't start with http:, https:, ? # or /, prepend http://
        correctURL: function () {
            var url = $.trim( inputs.url.val() );

            if ( url && correctedURL !== url && ! /^(?:[a-z]+:|#|\?|\.|\/)/.test( url ) ) {
                inputs.url.val( 'http://' + url );
                correctedURL = url;
            }
        },

        open: function( editorId, url, text, node ) {
            var ed,
                $body = $( document.body );

            $body.addClass( 'modal-open' );
            wpLink.modalOpen = true;
            linkNode = node;

            wpLink.range = null;

            if ( editorId ) {
                window.wpActiveEditor = editorId;
            }

            if ( ! window.wpActiveEditor ) {
                return;
            }

            this.textarea = $( '#' + window.wpActiveEditor ).get( 0 );

            if ( typeof window.tinymce !== 'undefined' ) {
                // Make sure the link wrapper is the last element in the body,
                // or the inline editor toolbar may show above the backdrop.
                $body.append( inputs.backdrop, inputs.wrap );

                ed = window.tinymce.get( window.wpActiveEditor );

                if ( ed && ! ed.isHidden() ) {
                    editor = ed;
                } else {
                    editor = null;
                }
            }

            if ( ! wpLink.isMCE() && document.selection ) {
                this.textarea.focus();
                this.range = document.selection.createRange();
            }

            inputs.wrap.show();
            inputs.backdrop.show();

            wpLink.refresh( url, text );

            $( document ).trigger( 'wplink-open', inputs.wrap );
        },

        isMCE: function() {
            return editor && ! editor.isHidden();
        },

        refresh: function( url, text ) {
            var linkText = '';

            // Refresh rivers (clear links, check visibility)
            rivers.search.refresh();
            rivers.recent.refresh();

            if ( wpLink.isMCE() ) {
                wpLink.mceRefresh( url, text );
            } else {
                // For the Text editor the "Link text" field is always shown
                if ( ! inputs.wrap.hasClass( 'has-text-field' ) ) {
                    inputs.wrap.addClass( 'has-text-field' );
                }

                if ( document.selection ) {
                    // Old IE
                    linkText = document.selection.createRange().text || text || '';
                } else if ( typeof this.textarea.selectionStart !== 'undefined' &&
                    ( this.textarea.selectionStart !== this.textarea.selectionEnd ) ) {
                    // W3C
                    text = this.textarea.value.substring( this.textarea.selectionStart, this.textarea.selectionEnd ) || text || '';
                }

                inputs.text.val( text );
                wpLink.setDefaultValues();
            }

            if ( isTouch ) {
                // Close the onscreen keyboard
                inputs.url.focus().blur();
            } else {
                // Focus the URL field and highlight its contents.
                // If this is moved above the selection changes,
                // IE will show a flashing cursor over the dialog.
                window.setTimeout( function() {
                    inputs.url[0].select();
                    inputs.url.focus();
                } );
            }

            // Load the most recent results if this is the first time opening the panel.
            if ( ! rivers.recent.ul.children().length ) {
                rivers.recent.ajax();
            }

            correctedURL = inputs.url.val().replace( /^http:\/\//, '' );
        },

        hasSelectedText: function( linkNode ) {
            var node, nodes, i, html = editor.selection.getContent();

            // Partial html and not a fully selected anchor element
            if ( /</.test( html ) && ( ! /^<a [^>]+>[^<]+<\/a>$/.test( html ) || html.indexOf('href=') === -1 ) ) {
                return false;
            }

            if ( linkNode ) {
                nodes = linkNode.childNodes;

                if ( nodes.length === 0 ) {
                    return false;
                }

                for ( i = nodes.length - 1; i >= 0; i-- ) {
                    node = nodes[i];

                    if ( node.nodeType != 3 && ! window.tinymce.dom.BookmarkManager.isBookmarkNode( node ) ) {
                        return false;
                    }
                }
            }

            return true;
        },

        mceRefresh: function( searchStr, text ) {
            var linkText, href,
                linkNode = getLink(),
                onlyText = this.hasSelectedText( linkNode );

            if ( linkNode ) {
                linkText = linkNode.textContent || linkNode.innerText;
                href = editor.dom.getAttrib( linkNode, 'href' );

                if ( ! $.trim( linkText ) ) {
                    linkText = text || '';
                }

                if ( searchStr && ( urlRegexp.test( searchStr ) || emailRegexp.test( searchStr ) ) ) {
                    href = searchStr;
                }

                if ( href !== '_wp_link_placeholder' ) {
                    inputs.url.val( href );
                    inputs.openInNewTab.prop( 'checked', '_blank' === editor.dom.getAttrib( linkNode, 'target' ) );
                    inputs.noFollow.prop( 'checked', editor.dom.getAttrib( linkNode, 'rel' ).indexOf('nofollow') !== -1 );
                    inputs.submit.val( wpLinkL10n.update );
                } else {
                    this.setDefaultValues( linkText );
                }

                if ( searchStr && searchStr !== href ) {
                    // The user has typed something in the inline dialog. Trigger a search with it.
                    inputs.search.val( searchStr );
                } else {
                    inputs.search.val( '' );
                }

                // Always reset the search
                window.setTimeout( function() {
                    wpLink.searchInternalLinks();
                } );
            } else {
                linkText = editor.selection.getContent({ format: 'text' }) || text || '';
                this.setDefaultValues( linkText );
            }

            if ( onlyText ) {
                inputs.text.val( linkText );
                inputs.wrap.addClass( 'has-text-field' );
            } else {
                inputs.text.val( '' );
                inputs.wrap.removeClass( 'has-text-field' );
            }
        },

        close: function( reset ) {
            $( document.body ).removeClass( 'modal-open' );
            wpLink.modalOpen = false;

            if ( reset !== 'noReset' ) {
                if ( ! wpLink.isMCE() ) {
                    wpLink.textarea.focus();

                    if ( wpLink.range ) {
                        wpLink.range.moveToBookmark( wpLink.range.getBookmark() );
                        wpLink.range.select();
                    }
                } else {
                    if ( editor.plugins.wplink ) {
                        editor.plugins.wplink.close();
                    }

                    editor.focus();
                }
            }

            inputs.backdrop.hide();
            inputs.wrap.hide();

            correctedURL = false;

            $( document ).trigger( 'wplink-close', inputs.wrap );
        },

        getAttrs: function() {
            wpLink.correctURL();

            return {
                href: $.trim( inputs.url.val() ),
                target: inputs.openInNewTab.prop( 'checked' ) ? '_blank' : null,
                rel: inputs.noFollow.prop("checked") ? "nofollow" : ""
            };
        },

        buildHtml: function(attrs) {
            var html = '<a href="' + attrs.href + '"';

            if ( attrs.target ) {
                html += ' target="' + attrs.target + '"';
            }
            
            if ( attrs.rel ) {
                html += ' rel="' + attrs.rel + '"';
            }

            return html + '>';
        },

        update: function() {
            if ( wpLink.isMCE() ) {
                wpLink.mceUpdate();
            } else {
                wpLink.htmlUpdate();
            }
        },

        htmlUpdate: function() {
            var attrs, text, html, begin, end, cursor, selection,
                textarea = wpLink.textarea;

            if ( ! textarea ) {
                return;
            }

            attrs = wpLink.getAttrs();
            text = inputs.text.val();

            // If there's no href, return.
            if ( ! attrs.href ) {
                return;
            }

            html = wpLink.buildHtml(attrs);

            // Insert HTML
            if ( document.selection && wpLink.range ) {
                // IE
                // Note: If no text is selected, IE will not place the cursor
                //       inside the closing tag.
                textarea.focus();
                wpLink.range.text = html + ( text || wpLink.range.text ) + '</a>';
                wpLink.range.moveToBookmark( wpLink.range.getBookmark() );
                wpLink.range.select();

                wpLink.range = null;
            } else if ( typeof textarea.selectionStart !== 'undefined' ) {
                // W3C
                begin = textarea.selectionStart;
                end = textarea.selectionEnd;
                selection = text || textarea.value.substring( begin, end );
                html = html + selection + '</a>';
                cursor = begin + html.length;

                // If no text is selected, place the cursor inside the closing tag.
                if ( begin === end && ! selection ) {
                    cursor -= 4;
                }

                textarea.value = (
                    textarea.value.substring( 0, begin ) +
                    html +
                    textarea.value.substring( end, textarea.value.length )
                );

                // Update cursor position
                textarea.selectionStart = textarea.selectionEnd = cursor;
            }

            wpLink.close();
            textarea.focus();

            // Audible confirmation message when a link has been inserted in the Editor.
            wp.a11y.speak( wpLinkL10n.linkInserted );
        },

        mceUpdate: function() {
            var attrs = wpLink.getAttrs(),
                $link, text, hasText, $mceCaret;

            if ( ! attrs.href ) {
                editor.execCommand( 'unlink' );
                wpLink.close();
                return;
            }

            $link = editor.$( getLink() );

            editor.undoManager.transact( function() {
                if ( ! $link.length ) {
                    editor.execCommand( 'mceInsertLink', false, { href: '_wp_link_placeholder', 'data-wp-temp-link': 1 } );
                    $link = editor.$( 'a[data-wp-temp-link="1"]' ).removeAttr( 'data-wp-temp-link' );
                    hasText = $.trim( $link.text() );
                }

                if ( ! $link.length ) {
                    editor.execCommand( 'unlink' );
                } else {
                    if ( inputs.wrap.hasClass( 'has-text-field' ) ) {
                        text = inputs.text.val();

                        if ( text ) {
                            $link.text( text );
                        } else if ( ! hasText ) {
                            $link.text( attrs.href );
                        }
                    }

                    attrs['data-wplink-edit'] = null;
                    attrs['data-mce-href'] = null; // attrs.href
                    $link.attr( attrs );
                }
            } );

            wpLink.close( 'noReset' );
            editor.focus();

            if ( $link.length ) {
                $mceCaret = $link.parent( '#_mce_caret' );

                if ( $mceCaret.length ) {
                    $mceCaret.before( $link.removeAttr( 'data-mce-bogus' ) );
                }

                editor.selection.select( $link[0] );
                editor.selection.collapse();

                if ( editor.plugins.wplink ) {
                    editor.plugins.wplink.checkLink( $link[0] );
                }
            }

            editor.nodeChanged();

            // Audible confirmation message when a link has been inserted in the Editor.
            wp.a11y.speak( wpLinkL10n.linkInserted );
        },

        updateFields: function( e, li ) {
            inputs.url.val( li.children( '.item-permalink' ).val() );
        },

        getUrlFromSelection: function( selection ) {
            if ( ! selection ) {
                if ( this.isMCE() ) {
                    selection = editor.selection.getContent({ format: 'text' });
                } else if ( document.selection && wpLink.range ) {
                    selection = wpLink.range.text;
                } else if ( typeof this.textarea.selectionStart !== 'undefined' ) {
                    selection = this.textarea.value.substring( this.textarea.selectionStart, this.textarea.selectionEnd );
                }
            }

            selection = $.trim( selection );

            if ( selection && emailRegexp.test( selection ) ) {
                // Selection is email address
                return 'mailto:' + selection;
            } else if ( selection && urlRegexp.test( selection ) ) {
                // Selection is URL
                return selection.replace( /&amp;|&#0?38;/gi, '&' );
            }

            return '';
        },

        setDefaultValues: function( selection ) {
            inputs.url.val( this.getUrlFromSelection( selection ) );

            // Empty the search field and swap the "rivers".
            inputs.search.val('');
            wpLink.searchInternalLinks();

            // Update save prompt.
            inputs.submit.val( wpLinkL10n.save );
        },

        searchInternalLinks: function() {
            var waiting,
                search = inputs.search.val() || '';

            if ( search.length > 2 ) {
                rivers.recent.hide();
                rivers.search.show();

                // Don't search if the keypress didn't change the title.
                if ( wpLink.lastSearch == search )
                    return;

                wpLink.lastSearch = search;
                waiting = inputs.search.parent().find( '.spinner' ).addClass( 'is-active' );

                rivers.search.change( search );
                rivers.search.ajax( function() {
                    waiting.removeClass( 'is-active' );
                });
            } else {
                rivers.search.hide();
                rivers.recent.show();
            }
        },

        next: function() {
            rivers.search.next();
            rivers.recent.next();
        },

        prev: function() {
            rivers.search.prev();
            rivers.recent.prev();
        },

        keydown: function( event ) {
            var fn, id;

            // Escape key.
            if ( 27 === event.keyCode ) {
                wpLink.close();
                event.stopImmediatePropagation();
            // Tab key.
            } else if ( 9 === event.keyCode ) {
                id = event.target.id;

                // wp-link-submit must always be the last focusable element in the dialog.
                // following focusable elements will be skipped on keyboard navigation.
                if ( id === 'wp-link-submit' && ! event.shiftKey ) {
                    inputs.close.focus();
                    event.preventDefault();
                } else if ( id === 'wp-link-close' && event.shiftKey ) {
                    inputs.submit.focus();
                    event.preventDefault();
                }
            }

            // Up Arrow and Down Arrow keys.
            if ( 38 !== event.keyCode && 40 !== event.keyCode ) {
                return;
            }

            if ( document.activeElement &&
                ( document.activeElement.id === 'link-title-field' || document.activeElement.id === 'url-field' ) ) {
                return;
            }

            // Up Arrow key.
            fn = 38 === event.keyCode ? 'prev' : 'next';
            clearInterval( wpLink.keyInterval );
            wpLink[ fn ]();
            wpLink.keyInterval = setInterval( wpLink[ fn ], wpLink.keySensitivity );
            event.preventDefault();
        },

        keyup: function( event ) {
            // Up Arrow and Down Arrow keys.
            if ( 38 === event.keyCode || 40 === event.keyCode ) {
                clearInterval( wpLink.keyInterval );
                event.preventDefault();
            }
        },

        delayedCallback: function( func, delay ) {
            var timeoutTriggered, funcTriggered, funcArgs, funcContext;

            if ( ! delay )
                return func;

            setTimeout( function() {
                if ( funcTriggered )
                    return func.apply( funcContext, funcArgs );
                // Otherwise, wait.
                timeoutTriggered = true;
            }, delay );

            return function() {
                if ( timeoutTriggered )
                    return func.apply( this, arguments );
                // Otherwise, wait.
                funcArgs = arguments;
                funcContext = this;
                funcTriggered = true;
            };
        }
    };

    River = function( element, search ) {
        var self = this;
        this.element = element;
        this.ul = element.children( 'ul' );
        this.contentHeight = element.children( '#link-selector-height' );
        this.waiting = element.find('.river-waiting');

        this.change( search );
        this.refresh();

        $( '#wp-link .query-results, #wp-link #link-selector' ).scroll( function() {
            self.maybeLoad();
        });
        element.on( 'click', 'li', function( event ) {
            self.select( $( this ), event );
        });
    };

    $.extend( River.prototype, {
        refresh: function() {
            this.deselect();
            this.visible = this.element.is( ':visible' );
        },
        show: function() {
            if ( ! this.visible ) {
                this.deselect();
                this.element.show();
                this.visible = true;
            }
        },
        hide: function() {
            this.element.hide();
            this.visible = false;
        },
        // Selects a list item and triggers the river-select event.
        select: function( li, event ) {
            var liHeight, elHeight, liTop, elTop;

            if ( li.hasClass( 'unselectable' ) || li == this.selected )
                return;

            this.deselect();
            this.selected = li.addClass( 'selected' );
            // Make sure the element is visible
            liHeight = li.outerHeight();
            elHeight = this.element.height();
            liTop = li.position().top;
            elTop = this.element.scrollTop();

            if ( liTop < 0 ) // Make first visible element
                this.element.scrollTop( elTop + liTop );
            else if ( liTop + liHeight > elHeight ) // Make last visible element
                this.element.scrollTop( elTop + liTop - elHeight + liHeight );

            // Trigger the river-select event
            this.element.trigger( 'river-select', [ li, event, this ] );
        },
        deselect: function() {
            if ( this.selected )
                this.selected.removeClass( 'selected' );
            this.selected = false;
        },
        prev: function() {
            if ( ! this.visible )
                return;

            var to;
            if ( this.selected ) {
                to = this.selected.prev( 'li' );
                if ( to.length )
                    this.select( to );
            }
        },
        next: function() {
            if ( ! this.visible )
                return;

            var to = this.selected ? this.selected.next( 'li' ) : $( 'li:not(.unselectable):first', this.element );
            if ( to.length )
                this.select( to );
        },
        ajax: function( callback ) {
            var self = this,
                delay = this.query.page == 1 ? 0 : wpLink.minRiverAJAXDuration,
                response = wpLink.delayedCallback( function( results, params ) {
                    self.process( results, params );
                    if ( callback )
                        callback( results, params );
                }, delay );

            this.query.ajax( response );
        },
        change: function( search ) {
            if ( this.query && this._search == search )
                return;

            this._search = search;
            this.query = new Query( search );
            this.element.scrollTop( 0 );
        },
        process: function( results, params ) {
            var list = '', alt = true, classes = '',
                firstPage = params.page == 1;

            if ( ! results ) {
                if ( firstPage ) {
                    list += '<li class="unselectable no-matches-found"><span class="item-title"><em>' +
                        wpLinkL10n.noMatchesFound + '</em></span></li>';
                }
            } else {
                $.each( results, function() {
                    classes = alt ? 'alternate' : '';
                    classes += this.title ? '' : ' no-title';
                    list += classes ? '<li class="' + classes + '">' : '<li>';
                    list += '<input type="hidden" class="item-permalink" value="' + this.permalink + '" />';
                    list += '<span class="item-title">';
                    list += this.title ? this.title : wpLinkL10n.noTitle;
                    list += '</span><span class="item-info">' + this.info + '</span></li>';
                    alt = ! alt;
                });
            }

            this.ul[ firstPage ? 'html' : 'append' ]( list );
        },
        maybeLoad: function() {
            var self = this,
                el = this.element,
                bottom = el.scrollTop() + el.height();

            if ( ! this.query.ready() || bottom < this.contentHeight.height() - wpLink.riverBottomThreshold )
                return;

            setTimeout(function() {
                var newTop = el.scrollTop(),
                    newBottom = newTop + el.height();

                if ( ! self.query.ready() || newBottom < self.contentHeight.height() - wpLink.riverBottomThreshold )
                    return;

                self.waiting.addClass( 'is-active' );
                el.scrollTop( newTop + self.waiting.outerHeight() );

                self.ajax( function() {
                    self.waiting.removeClass( 'is-active' );
                });
            }, wpLink.timeToTriggerRiver );
        }
    });

    Query = function( search ) {
        this.page = 1;
        this.allLoaded = false;
        this.querying = false;
        this.search = search;
    };

    $.extend( Query.prototype, {
        ready: function() {
            return ! ( this.querying || this.allLoaded );
        },
        ajax: function( callback ) {
            var self = this,
                query = {
                    action : 'wp-link-ajax',
                    page : this.page,
                    '_ajax_linking_nonce' : inputs.nonce.val()
                };

            if ( this.search )
                query.search = this.search;

            this.querying = true;

            $.post( window.ajaxurl, query, function( r ) {
                self.page++;
                self.querying = false;
                self.allLoaded = ! r;
                callback( r, query );
            }, 'json' );
        }
    });

    $( document ).ready( wpLink.init );
})( jQuery, window.wpLinkL10n, window.wp );