X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/ee06f37b0f6f6d94cd05a6ffae556660f7c4a2bc..c930e9176a5a85509c5b0230e2bff5c22a591432:/docs/source/Importer.html
diff --git a/docs/source/Importer.html b/docs/source/Importer.html
new file mode 100644
index 00000000..30e587d3
--- /dev/null
+++ b/docs/source/Importer.html
@@ -0,0 +1,113 @@
+
+
+ The source code
+
+
+
+
+ tx.Importer = function(){
+ function chooseFile(callback){
+ var file = new air.File(air.File.documentsDirectory.nativePath);
+ var filter = new air.FileFilter("Tasks XML File", "*.xml");
+
+ file.addEventListener('select', function(e){
+ doImport(e.target, callback);
+ });
+
+ file.browseForOpen('Open', [filter]);
+ }
+
+
+ /*
+ * This import function used to be clean and simple. The addition of asynchronous import and
+ * a progress bar changed that quickly. :)
+ */
+ function doImport(file, callback){
+
+ Ext.Msg.progress('Import', 'Reading file...');
+
+ var listTable = tx.data.conn.getTable('list', 'listId');
+ var taskTable = tx.data.conn.getTable('task', 'taskId');
+ var taskCount = 0;
+ var visibleIndex = 0;
+ var doUpdate = true;
+ var f = String.format;
+
+ function getProgress(index){
+ if(taskCount > 0){
+ return (.8 * index) / taskCount;
+ }else{
+ return .8;
+ }
+ }
+
+ function readFile(){
+ var stream = new air.FileStream();
+ stream.open(file, air.FileMode.READ);
+ var xml = stream.readUTFBytes(stream.bytesAvailable);
+ stream.close();
+
+ Ext.Msg.updateProgress(.1, 'Parsing...');
+ parse.defer(10, null, [xml]);
+ }
+
+ function parse(xml){
+ try {
+ var doc = new runtime.flash.xml.XMLDocument();
+ doc.ignoreWhite = true;
+ doc.parseXML(xml);
+
+ var lists = doc.firstChild.childNodes;
+ var count = lists.length;
+
+ for (var i = 0; i < count; i++) {
+ taskCount += lists[i].childNodes.length;
+ }
+ Ext.Msg.updateProgress(.15, '', 'Loading Tasks...');
+ loadLists(lists, 0);
+ }catch(e){
+ air.trace(e);
+ alert('An error occured while trying to import the selected file.');
+ }
+ }
+
+ function loadLists(lists, index){
+ if(index < lists.length){
+ var list = lists[index];
+ listTable.save(list.attributes);
+ nextTask(list.childNodes, 0, lists, index);
+ }
+ else {
+ Ext.Msg.updateProgress(1, '', 'Completing import...');
+ callback.defer(10);
+ }
+ }
+
+ function nextTask(tasks, index, lists, listIndex){
+ if(index < tasks.length){
+ Ext.Msg.updateProgress(
+ getProgress(++visibleIndex),
+ f('{0} of {1}', visibleIndex, taskCount)
+ );
+ loadTasks.defer(250, window, [tasks, index, lists, listIndex]);
+ }
+ else {
+ loadLists(lists, ++listIndex);
+ }
+ }
+
+ function loadTasks(tasks, index, lists, listIndex){
+ taskTable.save(tasks[index].attributes);
+ nextTask(tasks, ++index, lists, listIndex);
+ }
+
+ readFile.defer(10);
+ }
+
+ this.doImport = function(callback){
+ chooseFile(callback);
+ }
+};
+
+
+
\ No newline at end of file