Komodo - Indent and Unindent entire line, respecting cursor position and selection

indent-whole-line.js

// Macro recorded on: Thu Apr 28 2016 11:27:27 GMT-0400 (EDT)
komodo.assertMacroVersion(3);
if (komodo.view) { komodo.view.setFocus(); }

var editor = require("ko/editor");

// current cursor position
var pos = editor.getCursorPosition();
// current line size
var osize = editor.getLineSize();

var selected = true;

// the selection range
var selection = editor.getSelectionRange();

// if there is no difference in range, we don't have selected text
if (selection.start.absolute == selection.end.absolute) {
    selected = false;
    // move cursor to the beginning of the line
    ko.commands.doCommand('cmd_home');
}

// indent the line/selected lines
ko.commands.doCommand('cmd_indent');

// new line size
var nsize = editor.getLineSize();
// the difference in line size after indent
var diff = nsize - osize;

// adjust the cursor position by the difference
//  if position is at the beginning, leave at the beginning
pos.ch += pos.ch === 0 ? 0 : diff;
editor.setCursor(pos);

// if we had selected text, reselect that same text
// taking into account the indent
if (selected) {
    // if position as at beginning of a line, leave at beginning
    selection.start.ch += selection.start.ch === 0 ? 0 : diff;
    selection.end.ch += selection.end.ch === 0 ? 0 : diff;

    editor.setSelection(selection.start, selection.end);
}

unindent-entire-line.js

// Macro recorded on: Thu Apr 28 2016 11:29:15 GMT-0400 (EDT)
komodo.assertMacroVersion(3);
if (komodo.view) { komodo.view.setFocus(); }

var editor = require("ko/editor");

// current cursor position
var pos = editor.getCursorPosition();
// current line size
var osize = editor.getLineSize();

var selected = true;

// the selection range
var selection = editor.getSelectionRange();

// if there is no difference in range, we don't have selected text
if (selection.start.absolute == selection.end.absolute) {
    selected = false;
    // move the cursor to the beginning of the line
    ko.commands.doCommand('cmd_home');
}

// unindent the line / selected lines
ko.commands.doCommand('cmd_dedent');

// new line size
var nsize = editor.getLineSize();
// the difference in line size after unindent
var diff = osize - nsize;

// adjust the cursor position by the difference
//  if the position from beginning of line is less than the difference don't adjust
pos.ch -= pos.ch <= diff ? 0 : diff;
editor.setCursor(pos);

// if we had selected text, reselect that same text
// taking into account the unindent
if (selected) {
    // if the position from beginning of line is less than the difference don't adjust
    selection.start.ch -= selection.start.ch <= diff ? 0 : diff;
    selection.end.ch -= selection.end.ch <= diff ? 0 : diff;

    editor.setSelection(selection.start, selection.end);
}