Unity Script Reference – EditorUtility.DisplayCancelableProgressBar

EditorUtility.DisplayCancelableProgressBar

static function DisplayCancelableProgressBar (title : string, info : string, progress : float) : bool

Description

Displays or updates a progress bar that has a cancel button.

The window title will be set to title and the info will be set to info. Progress should be set to a value between 0.0 and 1.0, where 0 means nothing done and 1.0 means 100% completed.

This is useful if you perform any lengthy operations in your editor scripts or wizards, and want to notify the user about the progress.

Return argument of this function tells if user had pressed the cancel button. It is then your responsibility to stop the task you were doing.

See Also: DisplayProgressBar, ClearProgressBar functions.

Cancelable progress bar in the editor.

// Simple Editor Script that fills a cancelable bar in the given seconds.

class DisplayCancelableProgressBar extends EditorWindow {
var secs = 10.0;
var startVal = 0;
var progress = 0;

@MenuItem("Examples/Cancelable Progress Bar Usage")
static function Init() {
var window = GetWindow(DisplayCancelableProgressBar);
window.Show();
}

function OnGUI() {
secs = EditorGUILayout.IntField("Time to wait:", secs);
if(GUILayout.Button("Display bar")) {
if(secs < 1) {
Debug.LogError("Seconds should be bigger than 1");
return;
}
startVal = EditorApplication.timeSinceStartup;
}
if(progress < secs) {
if(EditorUtility.DisplayCancelableProgressBar(
"Simple Progress Bar",
"Shows a progress bar for the given seconds",
progress/secs)) {
Debug.Log("Progress bar canceled by the user");
startVal = 0;
}
} else {
EditorUtility.ClearProgressBar();
}
progress = EditorApplication.timeSinceStartup - startVal;
}

function OnInspectorUpdate() {
Repaint();
}
}