The Toggle block Selection mode feature was inadvertently discovered today, and its purpose is to support block selection mode for the text editor. What is block selection mode, which is similar to UltraEdit's column pattern. It seems that this feature was introduced in the eclipse3.5 version.
This function is actually very useful, such as a file has a lot of lines, now just want to copy each line in front of the 10 characters, then in the block selection mode is easy to do, and in the HTML and other files can help find out whether HTML tags do not match, the premise of the HTML file to write the comparison specification.
The shortcut keys for enabling this feature are:alt+shift+a, which allows you to switch between fast select mode and normal mode.
Usage:
First use the shortcut key or toolbar to open the selection mode, there will be a cross, indicating that the block selection mode is turned on
Select the block you want to uniformly modify:
Eclipse's Toggle Block Selection mode feature