implementiere Download des PDFs

1 files changed, 56 insertions, 42 deletions

diff --git a/js/index.js b/js/index.js
index 8b5f6ca..b9c7242 100644
--- a/js/index.js
+++ b/js/index.js
@@ -16,57 +16,71 @@
  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-function fail(text){
-    alert("Etwas ist schiefgelaufen: " + text.toString());
-}
+function show_pdf(url){
+    $('#input').attr('src', url);
 
-function download_pdf(link){
-    var filename = link.substring(link.lastIndexOf('/') + 1);
+    console.log("Download fertig, parse PDF");
+
+    var input = document.getElementById("input");
+    var processor = document.getElementById("processor");
+    var output = document.getElementById("output");
+
+    window.addEventListener("message", function(event){
+        if(event.source != processor.contentWindow) return;
 
-    window.requestFileSystem(LocalFileSystem.PERSISTENT, 0, function(fileSystem){
-        fileSystem.root.getFile(filename, {create: true, exclusive: false}, function(fileEntry){
-            console.log("Bereite Download vor");
-            var localPath = fileEntry.fullPath;
-            if(/*device.platform == "Android" && /* TODO fehleranfällig? */localPath.indexOf("file://") == 0){
-                localPath = localPath.substring(7);
-            }
-            var ft = new FileTransfer();
-            console.log("Bereit für Download " + ft);
-            ft.download(link,
-                localPath, function(entry){
-                    console.log("foo");
-                    $('#input').attr('src', entry.fullPath);
+        switch(event.data){
+            case "ready":
+                var xhr = new XMLHttpRequest;
+                xhr.open("GET", input.getAttribute("src"), true);
+                xhr.responseType = "arraybuffer";
 
-                    console.log("Download fertig, parse PDF");
+                xhr.onload = function(event){
+                    processor.contentWindow.postMessage(this.response, "*");
+                };
 
-                    var input = document.getElementById("input");
-                    var processor = document.getElementById("processor");
-                    var output = document.getElementById("output");
+                xhr.send();
+                break;
 
-                    window.addEventListener("message", function(event){
-                        if(event.source != processor.contentWindow) return;
+            default:
+                output.textContent = event.data.replace(/\s+/g, " ");
+                break;
+        }
+    }, true);
+}
 
-                        switch(event.data){
-                            case "ready":
-                                var xhr = new XMLHttpRequest;
-                                xhr.open("GET", input.getAttribute("src"), true);
-                                xhr.responseType = "arraybuffer";
+function fail(text){
+    alert("Etwas ist schiefgelaufen: " + text.toString());
+}
 
-                                xhr.onload = function(event){
-                                    processor.contentWindow.postMessage(this.response, "*");
-                                };
+function download_pdf(link){
+    var filename = link.substring(link.lastIndexOf('/') + 1);
 
-                                xhr.send();
-                                break;
+    window.requestFileSystem(
+            LocalFileSystem.PERSISTENT, 0,
+            function onFileSystemSuccess(fileSystem){
+                fileSystem.root.getFile(
+                    filename, {create: true, exclusive: false},
+                    function gotFileEntry(fileEntry){
+                        var sPath = "/storage/sdcard0" + fileEntry.fullPath; // !!! TODO Unterstützung anderer Geräte
+                        console.log("Pfad: " + sPath);
+                        var fileTransfer = new FileTransfer();
+                        fileEntry.remove();
 
-                            default:
-                                output.textContent = event.data.replace(/\s+/g, " ");
-                                break;
-                        }
-                    }, true);
-                }, fail);
-        }, fail);
-    }, fail);
+                        fileTransfer.download(
+                            link,
+                            sPath,
+                            function(theFile){
+                                console.log("Download fertig: " + theFile.toURL());
+                                show_pdf(theFile.toURL());
+                            },
+                            function(error){
+                                console.log("Fehler: " + error.source + " - "+ error.target + " - " + error.code);
+                            }
+                            );
+                    },
+                    fail);
+            },
+            fail);
 }
 
 function get_plan(link){