From 550af3cfe7177a881ce08431ef9789a352885cdf Mon Sep 17 00:00:00 2001
From: Benjamin Kellermann <Benjamin.Kellermann@gmx.de>
Date: Wed, 18 Nov 2009 00:13:11 +0100
Subject: restructured datepoll -> timepollhead (not ready yet)

---
 pollhead.rb | 116 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 116 insertions(+)
 create mode 100644 pollhead.rb

(limited to 'pollhead.rb')

diff --git a/pollhead.rb b/pollhead.rb
new file mode 100644
index 0000000..339498a
--- /dev/null
+++ b/pollhead.rb
@@ -0,0 +1,116 @@
+################################
+# Author:  Benjamin Kellermann #
+# License: CC-by-sa 3.0        #
+#          see License         #
+################################
+require "digest/sha2"
+
+class PollHead
+	def initialize
+		@data = {}
+	end
+	def col_size
+		@data.size
+	end
+
+	def get_id(columntitle)
+		if @data.include?(columntitle)
+			return Digest::SHA2.hexdigest("#{columntitle}#{@data[columntitle]}" + columntitle)
+		else
+			raise("no such column found: #{columntitle}")
+		end
+	end
+	def get_title(columnid)
+		@data.each_key{|k| return k if get_id(k) == columnid}
+		raise("no such id found: #{columnid}")
+	end
+	def each_columntitle
+		@data.sort.each{|k,v|
+			yield(k)
+		}
+	end
+	def each_columnid
+		@data.sort.each{|k,v|
+			yield(get_id(k))
+		}
+	end
+	def each_column
+		@data.sort.each{|k,v|
+			yield(get_id(k),k)
+		}
+	end
+
+	# returns internal representation of cgi-string
+	def cgi_to_id(field)
+		field
+	end
+
+	# returns true if deletion sucessfull
+	def delete_column(columnid)
+		@data.delete(get_title(columnid)) != nil
+	end
+
+	# add new column if columnid = ""
+	# returns parsed title or false if parsed title == ""
+	def edit_column(columnid, newtitle, cgi)
+		delete_column(columnid) if columnid != ""
+		parsedtitle = newtitle.strip
+
+		if parsedtitle != ""
+			@data[parsedtitle] = CGI.escapeHTML(cgi["columndescription"].strip)
+			return parsedtitle
+		else 
+			return false
+		end
+	end
+
+	def to_html(config = false,activecolumn = nil)
+		ret = "<tr><th><a href='?sort=name'>Name</a></th>\n"
+		@data.each{|columntitle,columndescription|
+			ret += "<th"
+			ret += " id='active' " if activecolumn == columntitle
+			ret += "><a title=\"#{columndescription}\" href=\"?sort=#{CGI.escapeHTML(CGI.escape(columntitle))}\">#{CGI.escapeHTML(columntitle)}</a>"
+			if config
+				ret += <<EDITDELETE
+	<div>
+		<small>
+			<a href="?editcolumn=#{CGI.escapeHTML(CGI.escape(columntitle))}" title="edit">
+				#{EDIT}
+			</a>|
+			<a href="?deletecolumn=#{CGI.escapeHTML(CGI.escape(get_id(columntitle)))}" title="delete">
+				#{DELETE}
+			</a>
+		</small>
+	</div>
+EDITDELETE
+			end
+			ret += "</th>"
+		}
+		ret += "<th><a href='.'>Last Edit</a></th>\n"
+		ret += "</tr>\n"
+		ret
+	end
+	
+	def edit_column_htmlform(activecolumn)
+		if activecolumn != ""
+			title = activecolumn
+			description = @data[title]
+			title = CGI.escapeHTML(title)
+			hiddeninput = "<input type='hidden' name='columnid' value=\"#{get_id(title)}\" />"
+		end
+		return <<END
+<fieldset><legend>Add/Edit Column</legend>
+<form method='post' action='config.cgi'>
+	<div>
+			<label for='columntitle'>Columntitle: </label>
+			<input id='columntitle' size='16' type='text' value="#{title}" name='new_columnname' />
+			<label for='columndescription'>Description: </label>
+			<input id='columndescription' size='30' type='text' value="#{description}" name='columndescription' />
+			#{hiddeninput}
+			<input type='submit' value='add/edit column' />
+	</div>
+</form>
+</fieldset>
+END
+	end
+end
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