Add loading/error message, add a page limit on the imported pdf

TI-Planet · Feb 18, 2018 · e97fe1b · e97fe1b
1 parent 43ebdeb
commit e97fe1b
Show file tree

Hide file tree

Showing 4 changed files with 25 additions and 11 deletions.
diff --git a/images/ajax-loader.gif b/images/ajax-loader.gif
diff --git a/index.html b/index.html
@@ -51,7 +51,8 @@ <h3 id="topTitle" style="display:none">zText: convertisseur pdf/texte => 8xp</h3
                     Tu souhaites organiser ton cours en plusieurs parties avec un menu ? <button id="toggleAdvanced" class="btn btn-success btn-xs">Clique-ici</button><br /><br />
                     Tu peux aussi charger le texte d'un fichier PDF :
                     <input type="file" id="pdfFile" onchange="handlePdf(this.files)"/>
-                    <br><br>
+                    <span class="loaderPdf" id="loaderPdf"></span>
+                    <br /><br />
                     </div>
                     <div id="textareaWrapper">
                         <textarea id="myText0" title="Ton texte ici" name="myText0" placeholder="Écris ton texte dans cette zone" required></textarea>

diff --git a/pdf2text/functions.js b/pdf2text/functions.js
@@ -24,10 +24,12 @@ function getPageText(pageNum, PDFDocumentInstance) {
 
 function handlePdf(data){
 
+    document.getElementById('loaderPdf').innerHTML = "<b><font color=#FE2E2E>Chargement du fichier en cours...</font></b>&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;<img src='images/ajax-loader.gif' alt='loader' height='10px' width='10px'/>";
     document.getElementById('myText0').innerHTML = "* Début du fichier PDF*\n";
 
     var fileList = this.files;
     var MyFile = data[0];
+    var maxPages = 10;
     var fileReader = new FileReader();
 
     fileReader.onload = function() {
@@ -39,22 +41,30 @@ function handlePdf(data){
             var pdfDocument = pdf;
             var pagesPromises = [];
 
-        for (var i = 0; i < pdf.pdfInfo.numPages; i++) {
-            (function (pageNumber) {
-                pagesPromises.push(getPageText(pageNumber, pdfDocument));
-            })(i + 1);
-        }
+            if(pdf.pdfInfo.numPages <= maxPages){
 
-        Promise.all(pagesPromises).then(function (pagesText) {
-             document.getElementById('myText0').innerHTML += pagesText; //fill textarea with extracted text
+                for (var i = 0; i < pdf.pdfInfo.numPages; i++) {
+                    (function (pageNumber) {
+                        pagesPromises.push(getPageText(pageNumber, pdfDocument));
+                    })(i + 1);
+                }
 
+                Promise.all(pagesPromises).then(function (pagesText) {
+                     document.getElementById('myText0').innerHTML += pagesText; //fill textarea with extracted text
 
-        });
 
-        delete data;
+                });
+                document.getElementById('loaderPdf').innerHTML = "<b><font color=#3ADF00>Fichier pdf chargé!</font></b>";
+            }else{
+                alert("Le document comporte trop de pages! Maxmimum "+maxPages+" pages.");
+                document.getElementById('loaderPdf').innerHTML = "<b><font color=#FE2E2E>Echec lors du chargement fichier pdf: trop de pages.</font></b>";
+
+
+            }
 
         }, function (reason) {
-            alert(reason);
+            document.getElementById('loaderPdf').innerHTML = "<b><font color=#FE2E2E>"+reason+"</font></b>";
+
         });
 
     };

diff --git a/style.css b/style.css
@@ -145,4 +145,7 @@ textarea.withLargeViewer[data-calc='82A'] {
 
 #advancedCreator {
     display: none;
+}
+.loaderPdf{
+    font-size: 11px;
 }