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refresh BIRT Report to next page

birtprofi

Hello, I have a question. I know it is possible to refresh a birt report with javascript every "n" seconds. But is it also possible to refresh a report with for example 4 pages? First 20 sec show report page 1, then next 20 sec show report page 2 ....... when the last page is displayed, then start again with page 1 Please give me your advices. best regardsrafael

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kclark

You could use some JavaScript like this in a text item in the master page header.<pre class="_prettyXprint"><script> total = <value-of>totalPage</value-of>; current = <value-of>pageNumber</value-of> function sleep(milliseconds) { var start = new Date().getTime(); for (var i = 0; i < 1e7; i++) { if ((new Date().getTime() - start) > milliseconds){ break; } } } sleep(10000); var currentURL = new String(); currentURL = document.URL; var removeThis = currentURL.indexOf("&__page="); if(removeThis > -1) { currentURL = currentURL.substring(0, removeThis); } var newPage = current + 1; if(newPage > total) { window.location = currentURL + "&__page=1"; }else{ window.location = currentURL + "&__page=" + newPage; }</script></pre>

birtprofi

Hi kclark, thank your for your help. This solutions works perfect!

birtprofi

I am sorry but I have to open this topic again. I found one problem, but I donÂ´t know why.No matter how many milliseconds I put in the script, it seems that doesnt matter. The report always switch to the next page always after 1-2 seconds.<pre class="_prettyXprint">sleep(10000);</pre>What is the problem? The JS looks good. But even I put 100000 as value, its the same issue.

kclark

Using jQuery you could use <a data-ipb='nomediaparse' href='http://api.jquery.com/delay/'>delay() </a>

birtprofi

Hi, thank you for your assistance. Now I made a little modifcation and it works correct. This is actually the script to reload to next page with correct timer.best regards<pre class="_prettyXprint _lang-js"> total = <value-of>totalPage</value-of>; current = <value-of>pageNumber</value-of> function reloadtonextpage() { var currentURL = new String(); currentURL = document.URL; var removeThis = currentURL.indexOf("&__page="); if(removeThis > -1) { currentURL = currentURL.substring(0, removeThis); } var newPage = current + 1; if(newPage > total) { window.location = currentURL + "&__page=1"; }else{ window.location = currentURL + "&__page=" + newPage; } }timer=setTimeout('reloadtonextpage()', 10000);</pre>

birtprofi

Hi guys I need your help again with this topic. The JavaScript of my last post works fine. But actually I have a problem with the performance. My report is a crosstab with a lot of scritped background drawings each cell. If I call the report with "frameset" it needs about 1 minute to render. Then I click to the button "next page" -> the report show me immediatly the next page. But if I use the javascript instead, the report render again, and I have to wait 1 minute again to load page 2. This is too long time, because the report is linked to an info screen. My questions:Question 1:Do you know the javascript expression to change to next page without render again? Question 2:Would it be faster, if I work with the .document file? My idea is, that maybe I could use the internal "next page" function, and after 1 hour, I load the complete link again to refresh my data. Best RegardsRafael

birtprofi

any idea? I found something in the BirtNavigationBar.js. Maybe I could use something like that, to switch to next page with javascript:<pre class="_prettyXprint _lang-js">birtEventDispatcher.broadcastEvent( birtEvent.__E_GETPAGE, { name : Constants.PARAM_PAGE, value : pageNumber + 1 </pre>But because I am not so good in Javascript, I need your help. best regardsrf

birtprofi

Hi, I solved my issue. I use now a JS syntax from BirtNavigationBar.js<pre class="_prettyXprint _lang-js">birtEventDispatcher.broadcastEvent( birtEvent.__E_GETPAGE, { name : Constants.PARAM_PAGE, value : oGotoPage.value } );</pre>But instead of "oGotoPage.value" I use my newPage Variable<pre class="_prettyXprint _lang-js"> if(newPage > total) { //window.location = currentURL + "&__page=1"; birtEventDispatcher.broadcastEvent( birtEvent.__E_GETPAGE, { name : Constants.PARAM_PAGE, value : 1 } ); }else{ //window.location = currentURL + "&__page=" + newPage; birtEventDispatcher.broadcastEvent( birtEvent.__E_GETPAGE, { name : Constants.PARAM_PAGE, value : newPage } ); }</pre>In conclusion it looks very simple, but IÂ´ve spend some time on it. Now the advantage is, that the reports refresh very fast, and also after some time I refresh the report with "window.location" to get the updated data. best regards