Initial import

app/helpers/application_helper.rb

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+# Engenharia de Software 2007.1
+# Copyright (C) 2007, Adriano, Alinson, Andre, Rafael e Bustamante
+# 
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+require 'digest/md5'
+
+module ApplicationHelper
+
+	# Converte para o timezone local
+	def tz(time_at)
+		TzTime.zone.utc_to_local(time_at.utc)
+	end
+
+	FLASH_NAMES = [:notice, :warning, :message]	
+
+	def flash_div
+		output = ""
+		for name in FLASH_NAMES
+			if flash[name]
+				output << "<div id='validation' class='validation #{name}' style='display: none'>#{flash[name]}"
+				output << ". " + link_to("Undo"[] + "?", flash[:undo], :method => 'post') if flash[:undo]
+				output << "</div>"
+			end
+		end
+		return output
+	end
+
+	def logged_in?
+		session[:user_id]
+	end
+
+	def current_user
+		User.find(session[:user_id]) if logged_in?
+	end
+
+	def admin?
+		logged_in? and current_user.admin?
+	end
+
+	def wiki(text)
+		BlueCloth.new(text).to_html
+	end
+
+	def highlight(name)
+		return {:class => 'highlight'} if (flash[:highlight] == name) 
+	end
+
+	def gravatar_url_for(email, size=80)
+		"http://www.gravatar.com/avatar.php?gravatar_id=#{Digest::MD5.hexdigest(email)}&size=#{size}&default=#{App.default_avatar}"
+	end
+
+	def action_icon(action_name, description, options = {}, html_options = {})
+		html_options.merge!({:class => 'icon', :alt => description, :title => description})
+		link_to(image_tag("action/#{action_name}.gif"), options, html_options)
+	end
+end

app/helpers/attachments_helper.rb

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+# Engenharia de Software 2007.1
+# Copyright (C) 2007, Adriano, Alinson, Andre, Rafael e Bustamante
+# 
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+module AttachmentsHelper
+end

app/helpers/courses_helper.rb

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+# Engenharia de Software 2007.1
+# Copyright (C) 2007, Adriano, Alinson, Andre, Rafael e Bustamante
+# 
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+module CoursesHelper
+	def mime_class(str)
+		str.strip!
+		case str
+			when "application/octet-stream"
+				return "mime_binary"
+
+			when
+				"application/pdf",
+				"application/postscript",
+				"application/msword"
+				return "mime_document"
+			
+			when "application/pdf"
+				return "mime_document"
+
+			when
+				"application/zip",
+				"application/x-gzip",
+				"application/x-gtar"
+				return "mime_zip"
+
+			else "mime_plain_text"
+		end
+	end
+end

app/helpers/events_helper.rb

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+# Engenharia de Software 2007.1
+# Copyright (C) 2007, Adriano, Alinson, Andre, Rafael e Bustamante
+# 
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+module EventsHelper
+end

app/helpers/log_helper.rb

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+module LogHelper
+end

app/helpers/news_helper.rb

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+# Engenharia de Software 2007.1
+# Copyright (C) 2007, Adriano, Alinson, Andre, Rafael e Bustamante
+# 
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+module NewsHelper
+end

app/helpers/stylesheets_helper.rb

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+# Engenharia de Software 2007.1
+# Copyright (C) 2007, Adriano, Alinson, Andre, Rafael e Bustamante
+# 
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	See the
+# GNU General Public License for more details.
+
+module StylesheetsHelper
+
+	def browser_is? name
+		name = name.to_s.strip
+		return true if browser_name == name
+		return true if name == 'mozilla' && browser_name == 'gecko'
+		return true if name == 'ie' && browser_name.index('ie')
+		return true if name == 'webkit' && browser_name == 'safari'
+	
+	end
+
+	def browser_name
+		@browser_name ||= begin
+			ua = request.env['HTTP_USER_AGENT'].downcase
+			if ua.index('msie') && !ua.index('opera') && !ua.index('webtv')
+				'ie'+ua[ua.index('msie')+5].chr
+			elsif ua.index('gecko/') 
+				'gecko'
+			elsif ua.index('opera')
+				'opera'
+			elsif ua.index('konqueror') 
+				'konqueror'
+			elsif ua.index('applewebkit/')
+				'safari'
+			elsif ua.index('mozilla/')
+				'gecko'
+			end
+		end
+	end
+
+	def ie?
+		return browser_is?('ie')
+	end
+end

app/helpers/user_helper.rb

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+# Engenharia de Software 2007.1
+# Copyright (C) 2007, Adriano, Alinson, Andre, Rafael e Bustamante
+# 
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+module UserHelper
+end

app/helpers/wiki_helper.rb

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+# Engenharia de Software 2007.1
+# Copyright (C) 2007, Adriano, Alinson, Andre, Rafael e Bustamante
+# 
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+module WikiHelper
+
+	def format_diff(text)
+		last = 0
+		result = ""
+		text << "\n"
+		style = { '+' => 'add', '-' => 'del', ' ' => 'line' }
+
+		text.each do |line|
+			# Ignora o cabecalho
+			next if line.match(/^---/)
+			next if line.match(/^\+\+\+/)
+
+			# Divisao entre pedacos
+			if line[0].chr == '@'
+				result << "<tr><td class='diff_space diff_border_#{style[last.chr]}' ></td></tr>"
+				last = 0
+			else
+				# Verifica se mudou de contexto (add para del, linha normal para add, etc)
+				if line[0] != last
+					last = line[0] if last == 0 or line[0].chr == '+' or line[0].chr == '-'
+					result << "<tr><td class='diff_border_#{style[last.chr]} "
+					last = line[0]
+
+				else
+					result << "<tr><td class='"
+				end
+				result << "diff_#{style[line[0].chr]}'>" +
+						" #{line[1..-1]}&nbsp;</td></td>"
+			end
+		end
+		
+		return "<table class='diff'>#{result}</table>"
+	end
+end