Twitter Splitter

script

// See online documentation for examples
// http://getdrafts.com/scripting

var p = Prompt.create();

p.title = "Twitter Splitter";

p.addButton("Add Index");
p.addButton("No Index");
p.addButton("No Space for Index");

var didSelect = p.show();
if (didSelect == "No Space for Index") {
	var maxLength = 280;
} else {
	var maxLength = 274;
}

var content = editor.getText();
var tweets = [];

while (content.length > maxLength) {
	var s = content.substr(0, maxLength);
	var i = s.lastIndexOf(" ");
	tweets.push(content.substr(0, i));
	content = (content.substr(i+1, content.length));
}

if (p.buttonPressed == "Add Index") {
	var text = "";
	for (var i = 0; i < tweets.length; i++) {
		text += tweets[i] + " " + (i+1) + "/" + tweets.length + "\n===\n";
	}
	editor.setText(text);
} else {
	editor.setText(tweets.join("\n===\n"));
}