Added some tests as initial starting point.

This commit is contained in:
Paul van Tilburg 2010-06-16 20:57:00 +02:00
commit cf93b1d8fc
2 changed files with 135 additions and 0 deletions

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require "camping"
require "markaby"
require "pathname"
Camping.goes :Plemp
Markaby::Builder.set(:indent, 2)
PUBLIC_DIR = Pathname.new(__FILE__).dirname + "public"
module Plemp::Controllers
class Index
def get
render :main
end
end
class PublicX
MIME_TYPES = {'.css' => 'text/css',
'.js' => 'text/javascript',
'.jpg' => 'image/jpeg'}
def get(path)
@headers['Content-Type'] = MIME_TYPES[path[/\.\w+$/, 0]] || "text/plain"
unless path.include? ".." # prevent directory traversal attacks
@headers['X-Sendfile'] = "#{PUBLIC_DIR}/#{path}"
else
@status = "403"
"403 - Invalid path"
end
end
end
class SaveposXXX
def post(id, top, left)
$stderr.puts("Got: top: #{top}, left: #{left}")
""
end
end
end
module Plemp::Views
def layout
xhtml_strict do
head do
title "Plemp!"
['drag', 'prototype', 'effects', 'controls'].each do |js|
script :src => R(PublicX, "#{js}.js"), :type => "text/javascript"
end
end
body do
self << yield
end
end
end
def main
div.first! :style => "position:absolute;top:120px;left:100px",
:onmousedown => "drag(event)" do "First" end
div.second! :style => "position:absolute;top:170px;left:300px",
:onmousedown => "drag(event)",
:onmouseup => _savepos do "Second" end
end
def _savepos
"new Ajax.Request('http://localhost:3301/savepos/' + " +
"this.id + '/' + this.style.top + '/' + this.style.left); " +
"return false;"
end
end

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// Global object to hold drag information.
var dragObj = new Object();
dragObj.zIndex = 0;
function drag(event, id) {
var x, y;
// If an element id was given, find it. Otherwise use the element being
// clicked on.
if (id)
dragObj.elNode = document.getElementById(id);
else {
dragObj.elNode = event.target;
// If this is a text node, use its parent element.
if (dragObj.elNode.nodeType == 3)
dragObj.elNode = dragObj.elNode.parentNode;
}
// Get cursor position with respect to the page.
x = event.clientX + window.scrollX;
y = event.clientY + window.scrollY;
// Save starting positions of cursor and element.
dragObj.cursorStartX = x;
dragObj.cursorStartY = y;
dragObj.elStartLeft = parseInt(dragObj.elNode.style.left, 10);
dragObj.elStartTop = parseInt(dragObj.elNode.style.top, 10);
if (isNaN(dragObj.elStartLeft)) dragObj.elStartLeft = 0;
if (isNaN(dragObj.elStartTop)) dragObj.elStartTop = 0;
// Update element's z-index.
dragObj.elNode.style.zIndex = ++dragObj.zIndex;
// Capture mousemove and mouseup events on the page.
document.addEventListener("mousemove", dragGo, true);
document.addEventListener("mouseup", dragStop, true);
event.preventDefault();
}
function dragGo(event) {
var x, y;
// Get cursor position with respect to the page.
x = event.clientX + window.scrollX;
y = event.clientY + window.scrollY;
// Move drag element by the same amount the cursor has moved.
dragObj.elNode.style.left =
(dragObj.elStartLeft + x - dragObj.cursorStartX) + "px";
dragObj.elNode.style.top =
(dragObj.elStartTop + y - dragObj.cursorStartY) + "px";
event.preventDefault();
}
function dragStop(event) {
// Stop capturing mousemove and mouseup events.
document.removeEventListener("mousemove", dragGo, true);
document.removeEventListener("mouseup", dragStop, true);
}