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add raphael js a rails 3.1 asset pipeline aware engine

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0 parents commit 8c8eacb6b16c89e24b3ed5dc1cc91f439b43d835 @bpoweski bpoweski committed May 22, 2011
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+*.gem
+.bundle
+Gemfile.lock
+pkg/*
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+source "http://rubygems.org"
+
+# Specify your gem's dependencies in raphael-rails.gemspec
+gemspec
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+# Raphaël
+
+Cross-browser vector graphics the easy way. Visit the library website for more information: [http://raphaeljs.com](http://raphaeljs.com/)
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+require 'bundler'
+Bundler::GemHelper.install_tasks
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+module Raphael
+ module Rails
+ class Engine < ::Rails::Engine
+ end
+ end
+end
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+module Raphael
+ module Rails
+ VERSION = "1.5.2"
+ end
+end
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+The MIT License
+
+Copyright (c) 2008-2010 Dmitry Baranovskiy
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
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+# -*- encoding: utf-8 -*-
+$:.push File.expand_path("../lib", __FILE__)
+require "raphael-rails/version"
+
+Gem::Specification.new do |s|
+ s.name = "raphael-rails"
+ s.version = Raphael::Rails::VERSION
+ s.platform = Gem::Platform::RUBY
+ s.authors = ["Dmitry Baranovskiy", "Ben Poweski"]
+ s.email = ["bpoweski@3factors.com"]
+ s.homepage = "http://github.com/bpoweski/raphael-rails"
+ s.summary = %q{Raphael JS as a Rubygem}
+ s.description = %q{Raphael JS as a Rubygem for use in the Rails asset pipeline}
+
+ s.test_files = Dir['vendor/assets/javascripts/test']
+ s.files = %w(README.md license.txt Rakefile Gemfile) + Dir['lib/**/*', 'vendor/**/*']
+end
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+/*!
+ * Color Picker 0.1.0 - Raphael plugin
+ *
+ * Copyright (c) 2010 Dmitry Baranovskiy (http://raphaeljs.com)
+ * Based on Color Wheel (http://jweir.github.com/colorwheel) by John Weir (http://famedriver.com)
+ * Licensed under the MIT (http://www.opensource.org/licenses/mit-license.php) license.
+ */
+
+ /*
+ * Usage
+ * var cp = Raphael.colorpicker(x, y, size, "#fff"); // #fff is optional init color
+ * cp.color(); // returns "#fff"
+ * cp.color("#fc0"); // sets new color
+ * cp.onchange = function (color) {
+ * // do something with the color when user change it
+ * }
+ * cp.remove(); // removes widget
+ */
+(function (Raphael) {
+ Raphael.colorpicker = function (x, y, size, initcolor, element) {
+ return new ColorPicker(x, y, size, initcolor, element);
+ };
+ Raphael.fn.colorPickerIcon = function (x, y, r) {
+ var segments = pi * r * 2 / Math.min(r / 8, 4);
+ var a = pi / 2 - pi * 2 / segments * 1.5,
+ path = ["M", x, y - r, "A", r, r, 0, 0, 1, r * Math.cos(a) + x, y - r * Math.sin(a), "L", x, y, "z"].join();
+ for (var i = 0; i < segments; i++) {
+ this.path(path).attr({
+ stroke: "none",
+ fill: "hsb(" + (segments - i) * (255 / segments) + ", 255, 255)",
+ rotation: [90 + (360 / segments) * i, x, y]
+ });
+ }
+ return this.circle(x, y, r).attr({
+ fill: "r#fff-#fff",
+ "fill-opacity": 0,
+ "stroke-width": Math.round(r * .03),
+ stroke: "#fff"
+ });
+ };
+ var pi = Math.PI;
+ function angle(x, y) {
+ return (x < 0) * 180 + Math.atan(-y / -x) * 180 / pi;
+ }
+ var doc = document, win = window,
+ addEvent = (function () {
+ if (doc.addEventListener) {
+ return function (obj, type, fn, element) {
+ var f = function (e) {
+ return fn.call(element, e);
+ };
+ obj.addEventListener(type, f, false);
+ return function () {
+ obj.removeEventListener(type, f, false);
+ return true;
+ };
+ };
+ } else if (doc.attachEvent) {
+ return function (obj, type, fn, element) {
+ var f = function (e) {
+ return fn.call(element, e || win.event);
+ };
+ obj.attachEvent("on" + type, f);
+ var detacher = function () {
+ obj.detachEvent("on" + type, f);
+ return true;
+ };
+ return detacher;
+ };
+ }
+ })(),
+ ColorPicker = function (x, y, size, initcolor, element) {
+ size = size || 200;
+ var w3 = 3 * size / 200,
+ w1 = size / 200,
+ fi = 1.6180339887,
+ size20 = size / 20,
+ size2 = size / 2,
+ padding = 2 * size / 200,
+ height = size + size20 * 2 + padding * 3,
+ t = this,
+ H = 1, S = 1, B = 1, s = size - (size20 * 4),
+ r = element ? Raphael(element, size, height) : Raphael(x, y, size, height),
+ xy = s / 6 + size20 * 2 + padding,
+ wh = s * 2 / 3 - padding * 2;
+ w1 < 1 && (w1 = 1);
+ w3 < 1 && (w3 = 1);
+
+
+ r.colorPickerIcon(size2, size2, size2 - padding);
+
+ t.cursor = r.set();
+ t.cursor.push(r.circle(size2, size2, size20 / 2).attr({
+ stroke: "#000",
+ opacity: .5,
+ "stroke-width": w3
+ }));
+ t.cursor.push(t.cursor[0].clone().attr({
+ stroke: "#fff",
+ opacity: 1,
+ "stroke-width": w1
+ }));
+ t.disc = r.circle(size2, size2, size2 - padding).attr({
+ fill: "#000",
+ "fill-opacity": 0,
+ stroke: "none",
+ cursor: "crosshair"
+ });
+ var style = t.disc.node.style;
+ style.unselectable = "on";
+ style.MozUserSelect = "none";
+ style.WebkitUserSelect= "none";
+
+ // brightness drawing
+ var h = size20 * 2 + 2;
+ t.brect = r.rect(padding + h / fi / 2, size + padding * 2, size - padding * 2 - h / fi, h - padding * 2).attr({
+ stroke: "#fff",
+ fill: "180-#fff-#000"
+ });
+ t.cursorb = r.set();
+ t.cursorb.push(r.rect(size - padding - h / fi, size + padding, ~~(h / fi), h, w3).attr({
+ stroke: "#000",
+ opacity: .5,
+ "stroke-width": w3
+ }));
+ t.cursorb.push(t.cursorb[0].clone().attr({
+ stroke: "#fff",
+ opacity: 1,
+ "stroke-width": w1
+ }));
+ t.btop = t.brect.clone().attr({
+ stroke: "#000",
+ fill: "#000",
+ opacity: 0
+ });
+ style = t.btop.node.style;
+ style.unselectable = "on";
+ style.MozUserSelect = "none";
+ style.WebkitUserSelect= "none";
+
+ t.bwidth = ~~(h / fi) / 2;
+ t.minx = padding + t.bwidth;
+ t.maxx = size - h / fi - padding + t.bwidth;
+
+ t.H = t.S = t.B = 1;
+ t.padding = padding;
+ t.raphael = r;
+ t.size2 = size2;
+ t.size20 = size20;
+ t.x = x;
+ t.y = y;
+
+ // events
+ t.hson = addEvent(t.disc.node, "mousedown", function (e) {
+ var scrollY = doc.documentElement.scrollTop || doc.body.scrollTop,
+ scrollX = doc.documentElement.scrollLeft || doc.body.scrollLeft;
+ this.hsOnTheMove = true;
+ this.setHS(e.clientX + scrollX - this.x, e.clientY + scrollY - this.y);
+ this.docmove = addEvent(doc, "mousemove", this.docOnMove, this);
+ this.docup = addEvent(doc, "mouseup", this.docOnUp, this);
+ }, t);
+ t.bon = addEvent(t.btop.node, "mousedown", function (e) {
+ var scrollX = doc.documentElement.scrollLeft || doc.body.scrollLeft;
+ this.bOnTheMove = true;
+ this.setB(e.clientX + scrollX - this.x);
+ this.docmove = addEvent(doc, "mousemove", this.docOnMove, this);
+ this.docup = addEvent(doc, "mouseup", this.docOnUp, this);
+ }, t);
+ t.winunload = addEvent(win, "unload", function () {
+ this.hson();
+ this.bon();
+ this.docmove && this.docmove();
+ this.docup && this.docup();
+ this.winunload();
+ }, t);
+
+ t.color(initcolor || "#fff");
+ this.onchanged && this.onchanged(this.color());
+ };
+ ColorPicker.prototype.setB = function (x) {
+ x < this.minx && (x = this.minx);
+ x > this.maxx && (x = this.maxx);
+ this.cursorb.attr({x: x - this.bwidth});
+ this.B = (x - this.minx) / (this.maxx - this.minx);
+ this.onchange && this.onchange(this.color());
+ };
+ ColorPicker.prototype.setHS = function (x, y) {
+ var X = x - this.size2,
+ Y = y - this.size2,
+ R = this.size2 - this.size20 / 2 - this.padding,
+ d = angle(X, Y),
+ rd = d * pi / 180;
+ isNaN(d) && (d = 0);
+ if (X * X + Y * Y > R * R) {
+ x = R * Math.cos(rd) + this.size2;
+ y = R * Math.sin(rd) + this.size2;
+ }
+ this.cursor.attr({cx: x, cy: y});
+ this.H = (1 - d / 360) % 1;
+ this.S = Math.min((X * X + Y * Y) / R / R, 1);
+ this.brect.attr({fill: "180-hsb(" + [this.H, this.S] + ",1)-#000"});
+ this.onchange && this.onchange(this.color());
+ };
+ ColorPicker.prototype.docOnMove = function (e) {
+ var scrollY = doc.documentElement.scrollTop || doc.body.scrollTop,
+ scrollX = doc.documentElement.scrollLeft || doc.body.scrollLeft;
+ if (this.hsOnTheMove) {
+ this.setHS(e.clientX + scrollX - this.x, e.clientY + scrollY - this.y);
+ }
+ if (this.bOnTheMove) {
+ this.setB(e.clientX + scrollX - this.x);
+ }
+ e.preventDefault && e.preventDefault();
+ e.returnValue = false;
+ return false;
+ };
+ ColorPicker.prototype.docOnUp = function (e) {
+ this.hsOnTheMove = this.bOnTheMove = false;
+ this.docmove();
+ delete this.docmove;
+ this.docup();
+ delete this.docup;
+ this.onchanged && this.onchanged(this.color());
+ e.preventDefault && e.preventDefault();
+ e.stopPropagation && e.stopPropagation();
+ e.returnValue = false;
+ return false;
+ };
+ ColorPicker.prototype.remove = function () {
+ this.raphael.remove();
+ this.color = function () {
+ return false;
+ };
+ };
+ ColorPicker.prototype.color = function (color) {
+ if (color) {
+ color = Raphael.getRGB(color);
+ var hex = color.hex;
+ color = Raphael.rgb2hsb(color.r, color.g, color.b);
+ d = color.h * 360;
+ this.H = color.h;
+ this.S = color.s;
+ this.B = color.b;
+
+ this.cursorb.attr({x: this.B * (this.maxx - this.minx) + this.minx - this.bwidth});
+ this.brect.attr({fill: "180-hsb(" + [this.H, this.S] + ",1)-#000"});
+
+ var d = (1 - this.H) * 360,
+ rd = d * pi / 180,
+ R = (this.size2 - this.size20 / 2 - this.padding) * this.S,
+ x = Math.cos(rd) * R + this.size2,
+ y = Math.sin(rd) * R + this.size2;
+ this.cursor.attr({cx: x, cy: y});
+ return this;
+ } else {
+ return Raphael.hsb2rgb(this.H, this.S, this.B).hex;
+ }
+ };
+})(window.Raphael);
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