USER:BRADV NEWPAGEPREVIEW.JS

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This code will be executed when previewing this page.

Documentation for this user script can be added at User:Bradv/NewPagePreview.

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/*

* New Page Preview

*     Author: User:Bradv

*/

m_zIndex=101;

nppreview = {

    enabled:   true

};



nppreview.init = function() {

    if (mw.config.get('wgPageName') == "Special:NewPages" ) {

        nppreview.showLinks();

    }

};



nppreview.showLinks = function() {

    var snapshot = document.evaluate('//div[@id="content"]/div[@id="bodyContent"]/ul/li', document, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null );



    for (var i=0;i<snapshot.snapshotLength;i++) {

        nppreview.makeLink(snapshot.snapshotItem(i));

    }

};



nppreview.makeLink = function(li) {

    var title, titlehref, url;

    if (li.className=='not-patrolled') {    

        var a = li.getElementsByTagName('a')[0];

        title = a.textContent;

        titlehref = a.href;

        url = a.href + '&action=render';

    } else {

        var a = li.getElementsByTagName('a')[0];

        title = a.textContent;

        titlehref = a.href;

        url = li.getElementsByTagName('a')[1].href.replace('&action=history', '&action=render');

    }

        

    var span = document.createElement('span');

    span.appendChild(document.createTextNode(' ['));

    var aPreview = document.createElement('a');

    aPreview.href = '#';

    aPreview.onclick = function (e) {

        nppreview.showPreview(title, titlehref, url);

        e.target.parentNode.parentNode.style.backgroundColor='lightgray';

        return false;

    };            

    aPreview.appendChild(document.createTextNode('Preview'));

    span.appendChild(aPreview);

    span.appendChild(document.createTextNode('] '));

    li.insertBefore(span, li.firstChild);

};



nppreview.showPreview=function(title, titlehref, url) {

    var aj = sajax_init_object();

    if (aj) { 

        var wnd = document.createElement('div');

        wnd.id='np_previewWindow';

        wnd.style.position='fixed';

        wnd.style.padding='10px';

        wnd.style.zIndex=++m_zIndex;

        wnd.style.backgroundColor='white';

        wnd.style.border='5px solid #aaaaaa';

        wnd.style.width='80%';

        wnd.style.height='80%';

        wnd.style.minWidth='20em';

        wnd.style.minHeight='10em';



//This is where we place the preview window - TODO: Check for modern skin

        var obj = document.getElementById('column-one');

        obj.appendChild(wnd);



        wnd.style.left=parseInt(window.innerWidth-wnd.clientWidth)/2 + 'px';

        wnd.style.top=parseInt(window.innerHeight-wnd.clientHeight)/2 + 'px';



        var hdr = document.createElement('div');

        hdr.style.position='relative';

        hdr.style.width='100%';

        hdr.style.height='2em';

        hdr.style.borderBottom='1px solid #aaaaaa';

        hdr.style.cursor='move';

        wnd.appendChild(hdr);



        var closeButton = document.createElement('a');

        closeButton.href='#';

        closeButton.style.position='absolute';

        closeButton.style.top='10px';

        closeButton.style.right='10px';

        closeButton.onclick = function () {wnd.parentNode.removeChild(wnd); return false;};

        //closeButton.innerHTML = '<img src="http://upload.wikimedia.org/wikipedia/commons/thumb/5/52/Nuvola_apps_error.png/18px-Nuvola_apps_error.png"/>';

        var img = document.createElement('img');

        img.src = 'http://upload.wikimedia.org/wikipedia/commons/thumb/5/52/Nuvola_apps_error.png/18px-Nuvola_apps_error.png';

        closeButton.appendChild(img);

        wnd.appendChild(closeButton);



        var content = document.createElement('div');

        content.id='sprint_previewContent';

        content.style.position='relative';

        content.style.clear='both';

        content.style.overflow='scroll';

        content.style.height=parseInt(wnd.clientHeight - hdr.offsetHeight - parseInt(wnd.style.padding)*2)+'px';

        content.style.lineHeight='1.5em';

        wnd.appendChild(content);



        wnd.onmousedown=function(event) {

            if (wnd.style.zIndex < m_zIndex) {

                wnd.style.zIndex=++m_zIndex;

            }

        }



        hdr.onmousedown=function(event) {

            wnd.initialX = parseInt( event.clientX - wnd.offsetLeft );

            wnd.initialY = parseInt( event.clientY - wnd.offsetTop );

            window.onmouseup=function(event) {

                window.onmousemove=null;

                window.onmouseup=null;

                wnd.style.opacity='';

                content.style.display='';

            }

            window.onmousemove=function(event) {

                if (!content.style.display) {

                    wnd.style.opacity='.8';

                    content.style.display='none';

                }

                wnd.style.left=event.clientX-wnd.initialX+'px';

                wnd.style.top=event.clientY-wnd.initialY+'px';

            }

        }



        var resize = document.createElement('div');

        resize.id='sprint_previewResize';

        resize.style.position='absolute';

        resize.style.bottom='0px';

        resize.style.right='0px';

        resize.style.height='20px';

        resize.style.width='20px';

        resize.style.cursor='se-resize';

        wnd.appendChild(resize);



        resize.onmousedown=function(event) {

            wnd.initialWidth = parseInt( event.clientX - wnd.offsetWidth );

            wnd.initialHeight = parseInt( event.clientY - wnd.offsetHeight );

            window.onmouseup=function(event) {

                window.onmousemove=null;

                window.onmouseup=null;

                wnd.style.opacity='';

                content.style.height=parseInt(wnd.clientHeight - hdr.offsetHeight - parseInt(wnd.style.padding)*2)+'px';

                content.style.display='';

            }

            window.onmousemove=function(event) {

                if (!content.style.display) {

                    wnd.style.opacity='.8';

                    content.style.display='none';

                }

                wnd.style.width=event.clientX-wnd.initialWidth-parseInt(wnd.style.padding)*2+'px';

                wnd.style.height=event.clientY-wnd.initialHeight-parseInt(wnd.style.padding)*2+'px';

            }

        }



        //hdr.innerHTML='<a href="/wiki/'+title+'" style="font-size:1.5em;">'+title+'</a>';

        var aTitle = document.createElement('a');

        aTitle.href = titlehref;

        aTitle.style.fontSize = '1.5em';

        aTitle.appendChild(document.createTextNode(title));

        hdr.appendChild(aTitle);

        

        //content.innerHTML='Loading...';

        while (content.firstChild) { content.removeChild(content.firstChild) };

        content.appendChild(document.createTextNode('Loading...'));

    

        aj.onreadystatechange = function() {

            if(aj.readyState == 4 && aj.status == 200) {

                var htm;    

                htm = aj.responseText;

                content.innerHTML = htm;

                content.id = 'bodyContent'; //TODO: Find a better way to make the page format correctly

                if (ajaxPatrolLinks) {

                    ajaxPatrolLinks(closeButton.onclick);

                }

            }                      

        }

                

        aj.open("GET", url, true);

        aj.send(null);

    }

};



$(nppreview.init);

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