bigbluebutton-Github/labs/bbb-html5-client/public/js/utils.coffee
2013-04-25 19:54:26 -04:00

50 lines
1.7 KiB
CoffeeScript

define [
'underscore',
'backbone'
], (_, Backbone) ->
# Module with general utility methods.
Utils = {}
# POST request using javascript
# @param {string} path path of submission
# @param {string} params parameters to submit
# @param {string} method method of submission ("post" is default)
# @return {undefined}
Utils.postToUrl = (path, params, method) ->
method = method or "post"
# TODO: can be a lot cleaner with jQuery
form = document.createElement("form")
form.setAttribute "method", method
form.setAttribute "action", path
for key of params
if params.hasOwnProperty(key)
hiddenField = document.createElement("input")
hiddenField.setAttribute "type", "hidden"
hiddenField.setAttribute "name", key
hiddenField.setAttribute "value", params[key]
form.appendChild hiddenField
document.body.appendChild form
form.submit()
# Scales a path string to fit within a width and height of the new paper size
# @param {number} w width of the shape as a percentage of the original width
# @param {number} h height of the shape as a percentage of the original height
# @return {string} the path string after being manipulated to new paper size
Utils.stringToScaledPath = (string, w, h, xOffset=0, yOffset=0) ->
path = null
points = string.match(/(\d+[.]?\d*)/g)
len = points.length
j = 0
# go through each point and multiply it by the new height and width
while j < len
if j isnt 0
path += "L" + (points[j] * w + xOffset) + "," + (points[j + 1] * h + yOffset)
else
path = "M" + (points[j] * w + xOffset) + "," + (points[j + 1] * h + yOffset)
j += 2
path
Utils