tooltips added on Gantt chart to view the details of the issues

(added csshover behaviour to make it work under IE)

git-svn-id: http://redmine.rubyforge.org/svn/trunk@160 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/projects_controller.rb

@@ -485,7 +485,7 @@ class ProjectsController < ApplicationController
     
     @date_from = Date.civil(@year_from, @month_from, 1)
     @date_to = (@date_from >> @months) - 1
-    @issues = @project.issues.find(:all, :order => "start_date, due_date", :conditions => ["(((start_date>=? and start_date<=?) or (due_date>=? and due_date<=?) or (start_date<? and due_date>?)) and start_date is not null and due_date is not null)", @date_from, @date_to, @date_from, @date_to, @date_from, @date_to])
+    @issues = @project.issues.find(:all, :order => "start_date, due_date", :include => [:tracker, :status, :author, :priority], :conditions => ["(((start_date>=? and start_date<=?) or (due_date>=? and due_date<=?) or (start_date<? and due_date>?)) and start_date is not null and due_date is not null)", @date_from, @date_to, @date_from, @date_to, @date_from, @date_to])
     
     if params[:output]=='pdf'
       @options_for_rfpdf ||= {}

app/views/layouts/base.rhtml

@@ -5,6 +5,11 @@
 <meta http-equiv="content-type" content="text/html; charset=utf-8" />
 <meta name="description" content="redMine" />
 <meta name="keywords" content="issue,bug,tracker" />
+<!--[if IE]>
+    <style type="text/css">
+    body {behavior: url(<%= stylesheet_path "csshover.htc" %>);}
+    </style>
+<![endif]-->
 <%= stylesheet_link_tag "application" %>
 <%= stylesheet_link_tag "print", :media => "print" %>
 <%= javascript_include_tag :defaults %>

app/views/projects/gantt.rhtml

@@ -55,7 +55,7 @@ if @zoom >1
 end
 
 g_width = (@date_to - @date_from + 1)*zoom
-g_height = [(20 * @issues.length + 6), 206].max
+g_height = [(20 * @issues.length + 6)+150, 206].max
 t_height = g_height + headers_heigth
 %>
 
@@ -65,14 +65,14 @@ t_height = g_height + headers_heigth
 
 <div style="position:relative;height:<%= t_height + 24 %>px;width:<%= subject_width + 1 %>px;">
 <div style="right:-2px;width:<%= subject_width %>px;height:<%= headers_heigth %>px;background: #eee;" class="gantt_hdr"></div>
-<div style="right:-2px;width:<%= subject_width %>px;height:<%= t_height %>px;border-left: 1px solid #c0c0c0;" class="gantt_hdr"></div>
+<div style="right:-2px;width:<%= subject_width %>px;height:<%= t_height %>px;border-left: 1px solid #c0c0c0;overflow:hidden;" class="gantt_hdr"></div>
 <%
 #
 # Tasks subjects
 #
 top = headers_heigth + 8
 @issues.each do |i| %>
-	<div style="position: absolute;line-height:1em;height:16px;top:<%= top %>px;left:4px;width:<%= subject_width - 5 %>px;overflow:hidden;">
+	<div style="position: absolute;line-height:1.2em;height:16px;top:<%= top %>px;left:4px;overflow:hidden;">
 	<small><%= link_to "#{i.tracker.name} ##{i.id}", { :controller => 'issues', :action => 'show', :id => i }, :title => "#{i.subject}" %>:
 	<%=h i.subject.sub(/^(.{30}[^\s]*\s).*$/, '\1 (...)') %></small>
 	</div>
@@ -82,7 +82,7 @@ end %>
 </td>
 <td>
 
-<div style="position:relative;height:<%= t_height + 24 %>px;width:<%= subject_width %>;overflow:auto;">
+<div style="position:relative;height:<%= t_height + 24 %>px;overflow:auto;">
 <div style="width:<%= g_width-1 %>px;height:<%= headers_heigth %>px;background: #eee;" class="gantt_hdr">&nbsp;</div>
 <% 
 #
@@ -167,7 +167,7 @@ if Date.today >= @date_from and Date.today <= @date_to %>
 #
 # Tasks
 #
-top = headers_heigth + 12
+top = headers_heigth + 10
 @issues.each do |i| %>
 	<%
 	i_start_date = (i.start_date >= @date_from ? i.start_date : @date_from )
@@ -183,7 +183,7 @@ top = headers_heigth + 12
 	i_width = ((i_end_date - i_start_date + 1)*zoom).floor - 2                  # total width of the issue (- 2 for left and right borders)
 	d_width = ((i_done_date - i_start_date)*zoom).floor - 2                     # done width
 	l_width = i_late_date ? ((i_late_date - i_start_date+1)*zoom).floor - 2 : 0 # delay width
-	%>	
+	%>
 	<div style="top:<%= top %>px;left:<%= i_left %>px;width:<%= i_width %>px;" class="task task_todo">&nbsp;</div>
 	<% if l_width > 0 %>
 	    <div style="top:<%= top %>px;left:<%= i_left %>px;width:<%= l_width %>px;" class="task task_late">&nbsp;</div>
@@ -194,7 +194,16 @@ top = headers_heigth + 12
 	<div style="top:<%= top %>px;left:<%= i_left + i_width + 5 %>px;background:#fff;" class="task">
 	<%= i.status.name %>
 	<%= (i.done_ratio).to_i %>%
-	</div>	
+	</div>
+	<% # === tooltip === %>
+	<div style="position: absolute;top:<%= top %>px;left:<%= i_left %>px;width:<%= i_width %>px;height:12px;" class="tooltip"><span class="tip">
+	   <strong><%= "#{i.tracker.name} ##{i.id}" %></strong>: <%=h i.subject %><br />
+	   <br />
+	   <strong><%= l(:field_start_date) %></strong>: <%= format_date(i.start_date) %><br />
+	   <strong><%= l(:field_due_date) %></strong>: <%= format_date(i.due_date) %><br />
+	   <strong><%= l(:field_assigned_to) %></strong>: <%= i.assigned_to ? i.assigned_to.name : "-" %><br />
+	   <strong><%=l(:field_priority)%></strong>: <%= i.priority.name %>
+	</span></div>
 	<% top = top + 20
 end %>
 </div>

public/stylesheets/application.css

@@ -548,7 +548,6 @@ font-size: 1em;
   height:8px;
   font-size:0.8em;
   color:#888;
-  background:#aaa;
   padding:0;
   margin:0;
   line-height:0.8em;
@@ -558,6 +557,22 @@ font-size: 1em;
 .task_done { background:#66f url(../images/task_done.png); border: 1px solid #66f; }  
 .task_todo { background:#aaa url(../images/task_todo.png); border: 1px solid #aaa; }
 
+/***** Tooltips ******/
+.tooltip{position:absolute;z-index:24;}
+.tooltip:hover{z-index:25;color:#000;}
+.tooltip span.tip{display: none}
+
+div.tooltip:hover span.tip{
+display:block;
+position:absolute;
+top:12px; left:20px; width:270px;
+border:1px solid #555;
+background-color:#fff;
+padding: 4px;
+font-size: 0.8em;
+color:#505050;
+}
+
 /***** CSS FORM ******/
 .tabular p{
 margin: 0;

public/stylesheets/csshover.htc

+<attach event="ondocumentready" handler="parseStylesheets" />
+<script>
+/**
+ *	Whatever:hover - V1.42.060206 - hover & active
+ *	------------------------------------------------------------
+ *	(c) 2005 - Peter Nederlof
+ *	Peterned - http://www.xs4all.nl/~peterned/
+ *	License  - http://creativecommons.org/licenses/LGPL/2.1/
+ *
+ *	Whatever:hover is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU Lesser General Public
+ *	License as published by the Free Software Foundation; either
+ *	version 2.1 of the License, or (at your option) any later version.
+ *
+ *	Whatever:hover 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
+ *	Lesser General Public License for more details.
+ *
+ *	Credits and thanks to:
+ *	Arnoud Berendsen, Martin Reurings, Robert Hanson
+ *
+ *	howto: body { behavior:url("csshover.htc"); }
+ *	------------------------------------------------------------
+ */
+
+var csshoverReg = /(^|\s)(([^a]([^ ]+)?)|(a([^#.][^ ]+)+)):(hover|active)/i,
+currentSheet, doc = window.document, hoverEvents = [], activators = {
+	onhover:{on:'onmouseover', off:'onmouseout'},
+	onactive:{on:'onmousedown', off:'onmouseup'}
+}
+
+function parseStylesheets() {
+	if(!/MSIE (5|6)/.test(navigator.userAgent)) return;
+	window.attachEvent('onunload', unhookHoverEvents);
+	var sheets = doc.styleSheets, l = sheets.length;
+	for(var i=0; i<l; i++) 
+		parseStylesheet(sheets[i]);
+}
+	function parseStylesheet(sheet) {
+		if(sheet.imports) {
+			try {
+				var imports = sheet.imports, l = imports.length;
+				for(var i=0; i<l; i++) parseStylesheet(sheet.imports[i]);
+			} catch(securityException){}
+		}
+
+		try {
+			var rules = (currentSheet = sheet).rules, l = rules.length;
+			for(var j=0; j<l; j++) parseCSSRule(rules[j]);
+		} catch(securityException){}
+	}
+
+	function parseCSSRule(rule) {
+		var select = rule.selectorText, style = rule.style.cssText;
+		if(!csshoverReg.test(select) || !style) return;
+
+		var pseudo = select.replace(/[^:]+:([a-z-]+).*/i, 'on$1');
+		var newSelect = select.replace(/(\.([a-z0-9_-]+):[a-z]+)|(:[a-z]+)/gi, '.$2' + pseudo);
+		var className = (/\.([a-z0-9_-]*on(hover|active))/i).exec(newSelect)[1];
+		var affected = select.replace(/:(hover|active).*$/, '');
+		var elements = getElementsBySelect(affected);
+		if(elements.length == 0) return;
+
+		currentSheet.addRule(newSelect, style);
+		for(var i=0; i<elements.length; i++)
+			new HoverElement(elements[i], className, activators[pseudo]);
+	}
+
+function HoverElement(node, className, events) {
+	if(!node.hovers) node.hovers = {};
+	if(node.hovers[className]) return;
+	node.hovers[className] = true;
+	hookHoverEvent(node, events.on, function() { node.className += ' ' + className; });
+	hookHoverEvent(node, events.off, function() { node.className = node.className.replace(new RegExp('\\s+'+className, 'g'),''); });
+}
+	function hookHoverEvent(node, type, handler) {
+		node.attachEvent(type, handler);
+		hoverEvents[hoverEvents.length] = { 
+			node:node, type:type, handler:handler 
+		};
+	}
+
+	function unhookHoverEvents() {
+		for(var e,i=0; i<hoverEvents.length; i++) {
+			e = hoverEvents[i]; 
+			e.node.detachEvent(e.type, e.handler);
+		}
+	}
+
+function getElementsBySelect(rule) {
+	var parts, nodes = [doc];
+	parts = rule.split(' ');
+	for(var i=0; i<parts.length; i++) {
+		nodes = getSelectedNodes(parts[i], nodes);
+	}	return nodes;
+}
+	function getSelectedNodes(select, elements) {
+		var result, node, nodes = [];
+		var identify = (/\#([a-z0-9_-]+)/i).exec(select);
+		if(identify) {
+			var element = doc.getElementById(identify[1]);
+			return element? [element]:nodes;
+		}
+		
+		var classname = (/\.([a-z0-9_-]+)/i).exec(select);
+		var tagName = select.replace(/(\.|\#|\:)[a-z0-9_-]+/i, '');
+		var classReg = classname? new RegExp('\\b' + classname[1] + '\\b'):false;
+		for(var i=0; i<elements.length; i++) {
+			result = tagName? elements[i].all.tags(tagName):elements[i].all; 
+			for(var j=0; j<result.length; j++) {
+				node = result[j];
+				if(classReg && !classReg.test(node.className)) continue;
+				nodes[nodes.length] = node;
+			}
+		}	
+		
+		return nodes;
+	}
+</script>
\ No newline at end of file