var invocations = 0; var ajaxRequests = 0; var previewPageCount = 0; var initTime = 0; var ajaxFinished = true; var counter = 0; var lost = 0; function submitAjaxForm(id, action){ invocations++; var hidden; var options = { //target: '#output2', // target element(s) to be updated with server response beforeSubmit: showRequest, // pre-submit callback success: showResponse, // post-submit callback // other available options: //url: url // override for form's 'action' attribute //type: type // 'get' or 'post', override for form's 'method' attribute dataType: 'xml' // 'xml', 'script', or 'json' (expected server response type) //clearForm: true // clear all form fields after successful submit //resetForm: true // reset the form after successful submit // $.ajax options can be used here too, for example: //timeout: 3000 }; var previewDiv = document.getElementById('webLetterPreview'); var display = previewDiv.style.display; if(!display || display!='none' || action=='open'){ if(ajaxFinished){ jQuery('#'+id).ajaxSubmit(options); } else { lost++; } } // pre-submit callback function showRequest(formData, jqForm, options) { ajaxFinished = false; hidden = document.createElement('input'); hidden.setAttribute('id','hiddenPreview'); hidden.setAttribute('type','hidden'); hidden.setAttribute('name','preview'); document.getElementById(id).appendChild(hidden); if(document.getElementById('submitCreateLetterTop') && document.getElementById('submitCreateLetterBottom')){ document.getElementById('submitCreateLetterTop').disabled='disabled'; document.getElementById('submitCreateLetterBottom').disabled='disabled'; } ajaxRequests++; // var queryString = jQuery.param(formData); // alert('About to submit: \n\n' + queryString); document.getElementById('previewWait').style.display = 'block'; return true; } // post-submit callback function showResponse(responseXML, statusText) { //alert('status: ' + statusText + '\n\nresponseXML: \n' + responseXML.getElementsByTagName("numberOfPages")[0].firstChild.data); try{ document.getElementById('previewWait').style.display = 'none'; previewPageCount = responseXML.getElementsByTagName("numberOfPages")[0].firstChild.data; var img = document.getElementById('webLetterPreviewImage'); var src = img.src+""; var tIndex = src.indexOf('&time='); if(tIndex > 0 ){ src = src.substring(0, tIndex); } if(parseInt(previewPageCount)>0){ img.src = src.substring(0, (src.lastIndexOf("_")+1)) + previewPageCount + '&time='+new Date().getTime(); document.getElementById('numberPreviewPages').innerHTML = previewPageCount; document.getElementById('currentPreviewPage').value = previewPageCount; updatePageNavigator(parseInt(previewPageCount)); if(document.getElementById('submitCreateLetterTop') && document.getElementById('submitCreateLetterBottom')){ document.getElementById('submitCreateLetterTop').disabled=''; document.getElementById('submitCreateLetterBottom').disabled=''; } } } catch(err){ //alert(err); } try{ document.getElementById(id).removeChild(hidden); } catch(err2){ } ajaxFinished = true; if(lost>1){ lost = 0; submitAjaxForm(id, action); } return true; } } function showInvocations(){ //alert('Aufrufe: ' + invocations + '; Requests: ' + ajaxRequests); } function getNextPreviewPage(){ var img = document.getElementById('webLetterPreviewImage'); var src = img.src+""; var tIndex = src.indexOf('&time='); if(tIndex > 0 ){ src = src.substring(0, tIndex); } var currentPage = parseInt(src.substring((src.lastIndexOf("_")+1))); var next = currentPage+1; if(next > previewPageCount){ next = 1; } img.src = src.substring(0, (src.lastIndexOf("_")+1)) + next + '&time='+new Date().getTime(); document.getElementById('currentPreviewPage').value = next; updatePageNavigator(next); } function getPreviousPreviewPage(){ var img = document.getElementById('webLetterPreviewImage'); var src = img.src+""; var tIndex = src.indexOf('&time='); if(tIndex > 0 ){ src = src.substring(0, tIndex); } var currentPage = parseInt(src.substring((src.lastIndexOf("_")+1))); var prev = currentPage-1; if(prev <= 0){ prev = previewPageCount; } img.src = src.substring(0, (src.lastIndexOf("_")+1)) + prev + '&time='+new Date().getTime(); document.getElementById('currentPreviewPage').value = prev; updatePageNavigator(prev); } function getPreviewPage(){ var img = document.getElementById('webLetterPreviewImage'); var src = img.src+""; var tIndex = src.indexOf('&time='); if(tIndex > 0 ){ src = src.substring(0, tIndex); } var newPage = document.getElementById('currentPreviewPage').value; try{ var iNewPage = parseInt(newPage); if(iNewPage>0 && iNewPage<=previewPageCount){ img.src = src.substring(0, (src.lastIndexOf("_")+1)) + iNewPage + '&time='+new Date().getTime(); updatePageNavigator(newPage); } } catch(err){ //alert(err); } } function updatePageNavigator(current){ if(previewPageCount<=1){ document.getElementById('currentPreviewPage').readonly = 'readonly'; } else { document.getElementById('currentPreviewPage').readonly = ''; } if(current1){ document.getElementById('actionPreviousPage').disabled = ''; } else{ document.getElementById('actionPreviousPage').disabled = 'disabled'; } } function changeSize() { var width = 595.0; var height = 841.0; var image = document.getElementById('webLetterPreview'); var size = parseFloat(document.changeSizeForm.previewSize.value); width = width * size; height = height * size; image.style.width = width + 'px'; image.style.height = height + 'px'; }