Helpers

Tag

component

A styled div which helps position items within Bar

<Bar><Tag> I am a bar </Tag></Bar>

Peg

component

A styled div which helps position items within a cell

content={{

"r0c0":<Peg>300</Peg>

}}

createBar

function

takes dimension,startlocation which is a cell, and props and creates an object with the properties id, length (default 1), editing (default true), and expands the props onto the object

getPosition

function

Takes the row, column, dimension, rowTitleWidth (default 0), columnTitleHeight (default 0), calculates the position in the grid and returns left and top.

evaluatePosition

function

Takes the bar object and the newlocation cell and figures out the position and length of the bar.

resizeBars

function

Takes the bars array, newLocation cell and a function called resolver. It goes through the list of bars and if a bar has the property editing = true it resizes the bar to the cell. returns the changed bars array.

finishEditingBars

function

Takes the bars array and if one of the bars property editing = true sets it to false return the changed bars array.

checkCollisions

function

Takes the bars array, filters out the objects where editing = true compares the rest of the bars and checks if they are overlapping it creates an array under they collisions which lists all ids it collides with/ return the changed bars array.