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A jQuery numerical slider that follows a bezier path.

devDependency Status MIT

Features

  • Numerical slider similar to the jQuery UI Slider - currently it only works with percentages (0-100%)
  • This slider follows a bezier path. The parameters are set using the pathslider builder.
  • Designed to work in older browsers (no canvas support), just add the path as a background image.
  • Get and set the slider position dynamically.
  • Slider handle (grip) can be set to rotate along with the angle of the curve (uses css3).
  • Callback events are available: create, update, start, slide, change, and stop.
  • The slider itself works in all browsers: IE6+, Opera, Chrome, Firefox and Safari (known issues below)
  • Pathslider demo.
  • Pathslider Builder.

Documentation

Wiki: Home | FAQ | Setup | Options | Events | Theme | Change

To Do:

  • Add min, max and step options to use values, other than zero to one hundred percent, with the slider.
  • Add enable, disable, destroy methods.
  • Smooth out sliding by improving grip position calculation
    • The grip jumps around quite a bit with some settings
    • This can be minimized by adjusting the tolerance & range settings, but it needs a better method.
  • Add more default handle (grip) styles in the css.
  • Add ability to make a gradient/patterned stroke style of the curve; I'm not sure it will follow the path of the curve or just be a static background. Needs more testing!
  • Add keyboard control to the slider when it has focus - arrows, page up/down, home and end.
  • Add a circular path
    • I don't plan on making it go continuously around in a circle. It will have a starting and stopping point.
    • If you need a continuous circle slider, check out this one, and this one.
  • Combine multiple beziers to make extended shapes - my math skills are a bit lacking so this may take a while, unless someone out there is willing to help ;)
  • Consider switching from using canvas to svg.

Dependencies

  • jQuery 1.4.4+
  • A browser that supports canvas (needed for the builder; optional for the pathslider plugin itself).
  • A browser that supports css3 transforms (necessary to rotate the grip).

Known Bugs

  • The grip/handle will work if the loop folds back on itself - try these points to see an example: 75,200,200,-125,-200,0,225,200
  • The S-Curve demo seems to get stuck near 100% but only in Firefox and on the demo page. It works fine when isolated. The grip isn't staying centered under the cursor like it does in Chrome.
  • Safari for Windows likes to start with the grip in the upper left corner of the slider box... most of the time when I hover over it, it jumps to where it should be... wow that is so weird. Also, the "S" curve demo doesn't want to work at all...

Change Log

Version 1.0.0-alpha (8/19/2016) (mis-released as beta)

  • Core:
    • Use window load event for jQuery v3.0+ compatibility.
    • Add drawCanvas callback & update curve color options. Fixes issue #8.
    • Add finishCurve function. For use inside of the drawCanvas callback.
    • Add redraw method. See issue #8.
    • Clean up CSS & use image URI.
  • Builder:
    • Switch to using drawCanvas callback.
    • Use finishCurve function.
    • Add curve shift controls.
  • Docs & Readme:
    • Update libraries & colors.
    • Make MIT license more prominent.
    • Optimize png images.
  • Extras:
    • Add .git files.
    • Remove BOM from all files.
    • Add grunt build script & dist folder.

Version 0.9.1 alpha (12/7/2011)

  • Added touch device compatibility.
  • Changed the grip "data-degree" attribute to "data-angle". This attribute contains the angle of transformation to rotate the grip.
  • Changed the grip "data-position" attribute to "data-percent". This attribute contains the current percentage distance along the curve of the grip.
  • Added some images for the wiki documentation.

Version 0.9 alpha (12/5/2011)

  • Initial commit