Action

Prefix/Suffix Lines

Posted by drdrang, Last update over 1 year ago

Get text from user and either prepend or append that text to all the selected lines. If no lines are selected, apply the changes to the entire draft.

Steps

  • script

    // Add prefix or suffix to the selected lines (or all lines).
    
    // Define the text that's going to be edited.
    var [oldStart, oldLen] = editor.getSelectedRange();
    if (oldLen == 0) { // use full draft
    	var [start, len] = [0, editor.getText().length];
    }
    else {
    	var [start, len] = editor.getSelectedLineRange();
    }
    var lineText = editor.getTextInRange(start, len);
    if (lineText.endsWith("\n")) { // trailing LF doesn't count
    	lineText = lineText.slice(0, -1);
    	len -= 1;
    }
    
    // Prepare the prompt and get the text from the user.
    var p = Prompt.create();
    p.title = "Prefix/Suffix Lines";
    p.addTextField("prefix", "Prefix:", "", {placeholder: "Prefix text", wantsFocus: true});
    p.addTextField("suffix", "Suffix:", "", {placeholder: "Suffix text", wantsFocus: true});
    p.addButton("Add");
    p.addButton("Remove");
    
    var didSelect = p.show();
    
    if (didSelect) { // make the changes
    	// Get the affixes
    	let prefix = p.fieldValues["prefix"];
    	let suffix = p.fieldValues["suffix"];
    	
    	// Edit the selected lines.
    	let lines = lineText.split('\n');
    	
    	if (p.buttonPressed == "Add") {
    		lines.forEach((line, i) => lines[i] = prefix + line + suffix);
    	}
    	else { // remove
    		if (prefix != "") {
    			let preLen = prefix.length;
    			lines.forEach(function(line, i) {
    				if (line.slice(0, preLen) == prefix) {
    					lines[i] = line.slice(preLen);
    				}
    			});
    		}
    		if (suffix != "") {
    			let sufLen = suffix.length;
    			lines.forEach(function(line, i) {
    				if (line.slice(-sufLen) == suffix) {
    					lines[i] = line.slice(0, -sufLen);
    				}
    			});
    		}
    	}
    	
    	// Replace the text in the editor and select it.
    	let replacement = lines.join('\n')
    	editor.setTextInRange(start, len, replacement);
    	editor.setSelectedRange(start, replacement.length);
    	editor.activate();
    }
    else { // put selection back
    	editor.setSelectedRange(oldStart, oldLen);
    	editor.activate();
    }

Options

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