Created
July 21, 2014 18:11
-
-
Save lfzawacki/3660d019c54184025079 to your computer and use it in GitHub Desktop.
BBB whiteboard meteor
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| /* CSS declarations go here */ | |
| svg { | |
| border: 1px solid #000; | |
| } | |
| #messages { | |
| margin-left: 400px; | |
| } | |
| #entryfields { | |
| margin-left: 400px; | |
| } |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <head> | |
| <title>Whiteboard Example</title> | |
| </head> | |
| <body> | |
| <div id="entryfields"> | |
| {{> entryfields}} | |
| </div> | |
| {{> canvas}} | |
| </body> | |
| <template name="canvas"> | |
| <div id="canvas"></div> | |
| <div class="message" id="messages"> | |
| {{#each messages}} | |
| <p> | |
| {{shape}} - x: {{x}} - y: {{y}} | |
| </p> | |
| {{/each}} | |
| </div> | |
| </template> | |
| <template name="entryfields"> | |
| <h2>Create shape</h2> | |
| <select class="selectpicker span2" id="shape"> | |
| <option selected value="ellipse">ellipse</option> | |
| <option value="rect">rect</option> | |
| <option value="line">line</option> | |
| <option value="triangle">triangle</option> | |
| <option value="text">text</option> | |
| </select> | |
| <input type="text" id="x" placeholder="x" /> | |
| <input type="text" id="y" placeholder="y" /> | |
| <a class="button" href="#" id="submit">Create</a> | |
| <a href="#" id="redraw">Redraw</a> | |
| </template> |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Messages = new Meteor.Collection('messages'); | |
| if (Meteor.isClient) { | |
| function polygonPath(points) { | |
| if(!points||points.length < 2) | |
| return []; | |
| var path = []; //will use path object type | |
| path.push(['m',points[0], points[1]]); | |
| for(var i = 2; i<points.length; i+=2) { | |
| path.push(['l', points[i], points[i+1]]); | |
| } | |
| path.push(['z']); | |
| return path; | |
| } | |
| function randomColor() { | |
| return "#" + (Math.random().toString(16) + '000000').slice(2, 8); | |
| } | |
| draw = { | |
| ellipse : function(paper, x, y) { | |
| var shape = paper.circle(x, y, 10); | |
| shape.attr("fill", randomColor()); | |
| shape.attr("stroke", randomColor()); | |
| }, | |
| rect : function(paper, x, y) { | |
| var shape = paper.rect(x, y, 10, 10); | |
| shape.attr("fill", randomColor()); | |
| shape.attr("stroke", randomColor()); | |
| }, | |
| triangle : function(paper, x, y) { | |
| var shape = paper.path(polygonPath([x, y, x+10, y-10, x-20, y-10, x, y])); | |
| shape.attr("fill", randomColor()); | |
| shape.attr("stroke", randomColor()); | |
| }, | |
| line : function(paper, x, y) { | |
| var shape = paper.rect(x, y, .01, 10); | |
| shape.attr("fill", randomColor()); | |
| shape.attr("stroke", randomColor()); | |
| }, | |
| } | |
| function clearInput() { | |
| _.forEach(['x','y'], function(i){ | |
| document.getElementById(i).value = ''; | |
| }); | |
| } | |
| function getInput() { | |
| var shape = document.getElementById('shape').value; | |
| var x = document.getElementById('x').value; | |
| var y = document.getElementById('y').value; | |
| if (x != '' && y != '' && shape != '') { | |
| Messages.insert({ | |
| shape: shape, | |
| x: x, | |
| y: y | |
| }); | |
| } | |
| clearInput(); | |
| } | |
| function getPaper() { | |
| return Template.canvas.canvas; | |
| } | |
| function drawMessages() { | |
| var paper = getPaper(); | |
| paper.clear(); | |
| var messages = Template.canvas.messages(); | |
| messages.forEach( function(message) { | |
| drawMessage(paper, message); | |
| }); | |
| } | |
| function drawMessage(paper, m) { | |
| draw[m.shape](paper, m.x, m.y); | |
| } | |
| Template.canvas.rendered = function() { | |
| Template.canvas.canvas = Raphael(10, 50, 320, 200); | |
| Messages.find().observeChanges({ | |
| added: function(id, doc) { | |
| drawMessage(getPaper(), doc); | |
| } | |
| }); | |
| } | |
| Template.canvas.messages = function() { | |
| return Messages.find({}); | |
| } | |
| Template.canvas.events = { | |
| } | |
| Template.entryfields.events = { | |
| "click #submit": function(event) { | |
| getInput(); | |
| }, | |
| "click #redraw": function(event) { | |
| drawMessages(); | |
| } | |
| } | |
| } | |
| if (Meteor.isServer) { | |
| Meteor.startup(function () { | |
| }); | |
| } |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| { | |
| "packages": { | |
| "raphaeljs-package": { | |
| "git": "https://github.com/tomconnors/raphaeljs-package.git" | |
| } | |
| } | |
| } |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment