OS X Javascript 自动化 (JXA) 进度条

Question

在 Applescript 小程序中，进度可以这样显示：

set progress description to "A simple progress indicator"
set progress additional description to "Preparing…"
set progress total steps to -1

delay 5

set progress total steps to 100
repeat with i from 1 to 100
    try
        set progress additional description to "I am on step " & i
        set progress completed steps to i
        delay 0.2
    on error thisErr
        display alert thisErr
        exit repeat
    end try
end repeat

您将如何访问 Javascript 中的 progress description、progress additional description 和 progress total steps for Automation (JXA)？

Answer 1

见本页Progress --> https://developer.apple.com/library/mac/releasenotes/InterapplicationCommunication/RN-JavaScriptForAutomation/Articles/OSX10-10.html

使用 Progress 对象的脚本示例：

Progress.description =  "A simple progress indicator"
Progress.additionalDescription = "Preparing…"
delay(5)
Progress.totalUnitCount = 100;

for (var i = 1; i < 101; i++) {
    Progress.additionalDescription = "I am on step " + i
    Progress.completedUnitCount = i
    delay(0.1)
}

Answer 2

IMO，Yosemite 提供的 so-called "Progress Bar" 是个笑话。它没有显示大多数人所期望的：显示进度的小 window。

Shane Stanley 编写了免费的 ASObjC Runner app 来提供这个，以及更多。

在这里查看真实的进度条： Demo of real Progress Bar using ASObjC Runner app

这是用 AppleScript 编写的，但转换为 JXA 应该不难。

编辑：我已将 AppleScript 代码转换为 JXA。你可以在这里得到它：

Demo of a Real Progress Bar for JXA using ASObjC Runner app

OS X Javascript 自动化 (JXA) 进度条

OS X Javascript Automation (JXA) Progress Bar

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applescript

progress-bar

progress

javascript-automation