Is there a way to display a progress bar while performing a long running
task?
Generally when I do this it requires 2 threads, does such a thing exist in
qooxdoo?
Here's what I have so far:
//console.clear();
// Document is the application root
var root = this.getRoot();
var box = new qx.ui.layout.VBox();
var container = new qx.ui.container.Composite(box);
var pb = new qx.ui.indicator.ProgressBar(0, 100);
var lblPrimary = new qx.ui.basic.Label();
var lblSecondary = new qx.ui.basic.Label();
var totalCount = 1000;
// Create a button
var button1 = new qx.ui.form.Button("GO",
"icon/22/apps/internet-web-browser.png");
button1.setMaxWidth(100);
root.add(container, {left:0,top:0});
container.add(lblPrimary);
container.add(pb);
container.add(lblSecondary);
container.add(button1);
lblPrimary.setValue("Please Wait...");
lblSecondary.setValue("Completed: 0 (0%)");
box.setSpacing(10);
container.setPadding(20);
//get real time change from the progressbar
pb.addListener("change", function(e) {
lblSecondary.setValue("Completed: " + pb.getValue() + " (" + e.getData() +
"%)");
lblSecondary.setTextColor("black");
});
// Add an event listener
button1.addListener("execute", function(e) {
for(i = 0; i<totalCount; i++)
{
setTimeout(function () {
var percentComplete = i / totalCount * 100;
pb.setValue(percentComplete);
lblSecondary.setValue("Completed: " + i + " (" + percentComplete +
"%)");
}, 2000);
}
});
//when complete make the info text green
pb.addListener("complete", function(e) {
lblSecondary.setTextColor("green");
});
Everything works as advertised, but I really want my for loop to update the
progress bar and labels as it is performing the work.
Thanks,
-Eric
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