| [*Generate a Gantt chart for the project*] |
| [%var p = Project.all.first();%] |
| [*Print the title of the project*] |
| Project: [%=p.title%] |
| --- |
| [*Print the timeline of the project*] |
| [%=p.getTimeline()%] |
| [%for (t in p.tasks){%] |
| [*For every task, print its lifeline*] |
| [%=t.getPaddedTitle()%] [%=t.getLifeline()%] |
| [%}%] |
| |
| [% |
| operation Project getTimeline() { |
| return new Task(title="").getPaddedTitle() + " |" + |
| 1.to(self.getDuration()).collect(i|i.asString(). |
| pad(2,"0", false)+"|").concat(""); |
| } |
| |
| operation Task getPaddedTitle() { |
| return self.title.pad(p.getMaxTaskTitleLength()," ", true); |
| } |
| |
| @cached |
| operation Project getMaxTaskTitleLength() { |
| return self.tasks.collect(t|t.title.length()).max(); |
| } |
| |
| operation Task getLifeline() { |
| var lifeline = ""; |
| for (i in 1.to(p.getDuration())){ |
| lifeline += "|"; |
| if (i>=self.start and i<=self.start+self.duration-1) { |
| lifeline += "--"; |
| } |
| else lifeline+=" "; |
| if (not hasMore) lifeline += "|"; |
| } |
| return lifeline; |
| } |
| |
| @cached |
| operation Project getDuration() { |
| return self.tasks.collect(t|t.start + t.duration - 1).max(); |
| } |
| %] |
