tmux-dual-play

#!/bin/bash

# Basic layout for coding purpose
# It has one main pane suitable for running text editor (i.e. vim) 
# and several bottom panes suitable for running test suites or terminal commands

maxPaneHeight=40
defaultTopPaneAmount=1
defaultBottomPaneAmount=1
topPaneAmount=$defaultTopPaneAmount
bottomPaneAmount=$defaultBottomPaneAmount
workingDir=$PWD

function createTmux {
	tmux new-session -d -s "$1" -c $4
	tmux select-window -t :0
	tmux split-window -h -c $4
	
	#preparing top pane
	if [ $2 -gt 1 ]; then
		for i in `seq 1 $[ $2 - 1 ]`;
		do
			tmux split-window -t :.$[ i - 1 ] -c $4
			tmux resize-pane -t :.$[ i - 1 ] -y $[ maxPaneHeight / $2 ]
			echo $[ maxPaneHeight / $2 ]
		done
	fi

	#preparing bottom pane
	if [ $3 -gt 1 ]; then
		for i in `seq 1 $[ $3 - 1 ]`;
		do
			tmux split-window -t :.$[ i + $2 - 1 ] -c $4
			tmux resize-pane -t :.$[ i + $2 - 1 ] -y $[ maxPaneHeight / $3 ]
		done
	fi

	tmux attach-session -t $1 -c $4
}

# Arguments:
# ------------
# $1 for session name
# $2 for amount of top pane
# $3 for amount of bottom pane
# $4 for working directory

if [ $# -eq 0 ]
	then
		echo 'session name required!'
	else
		if ! [ -z $2 ]; then
				topPaneAmount=$2
		fi
		if ! [ -z $3 ]; then
				bottomPaneAmount=$3
		fi
		if ! [ -z $4 ]; then
				workingDir=$4
		fi
		createTmux $1 $topPaneAmount $bottomPaneAmount $workingDir
fi