### Home Classes Methods

### In Files

- lib/taskjuggler/reports/Navigator.rb

### Parent

Object

### Methods

- ::new
- #generate
- #to_html

### Files

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### Class/Module Index

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- Diff
- Diff::Hunk
- AppConfig
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- DiffableString
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- RuntimeConfig
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No matching classes.

# TaskJuggler::Navigator

A Navigator is an automatically generated menu to navigate a list of reports. The hierarchical structure of the reports will be reused to group them. The actual structure of the Navigator depends on the output format.

### Attributes

hideReport[RW]
id[R]

### Public Class Methods

new(id, project) click to toggle source

    # File lib/taskjuggler/reports/Navigator.rb, line 103
    def initialize(id, project)
      @id = id
      @project = project
      @hideReport = LogicalExpression.new(LogicalOperation.new(0))
      @elements = []
    end

### Public Instance Methods

generate(allReports, currentReports, reportDef, parentElement) click to toggle source

Generate an output format independant version of the navigator. This is a tree of NavigatorElement objects.

    # File lib/taskjuggler/reports/Navigator.rb, line 112
    def generate(allReports, currentReports, reportDef, parentElement)
      element = nextParentElement = nextParentReport = nil
      currentReports.each do |report|
        hasURL = report.get('formats').include?(:html)
        # Only generate menu entries for container reports or leaf reports
        # have a HTML output format.
        next if (report.leaf? && !hasURL) || !allReports.include?(report)

        # What label should be used for the menu entry? It's either the name
        # of the report or the user specified title.
        label = report.get('title') || report.name

        url = findReportURL(report, allReports, reportDef)

        # Now we have all data so we can create the actual menu entry.
        parentElement.elements <<
          (element =  NavigatorElement.new(parentElement, label, url))

        # Check if 'report' matches the 'reportDef' report or is a child of
        # it.
        if reportDef == report || reportDef.isChildOf?(report)
          nextParentReport = report
          nextParentElement = element
          element.current = true
        end
      end

      if nextParentReport && nextParentReport.container?
        generate(allReports, nextParentReport.kids, reportDef,
                 nextParentElement)
      end
    end

to_html() click to toggle source

    # File lib/taskjuggler/reports/Navigator.rb, line 145
    def to_html
      # The the Report object that contains this Navigator.
      reportDef ||= @project.reportContexts.last.report
      raise "Report context missing" unless reportDef

      # Compile a list of all reports that the user wants to include in the
      # menu.
      reports = filterReports
      return nil if reports.empty?

      # Make sure the report is actually in the filtered list.
      unless reports.include?(reportDef)
        @project.warning('nav_in_hidden_rep',
                         "Navigator requested for a report that is not " +
                         "included in the navigator list.",
                         reportDef.sourceFileInfo)
        return nil
      end

      # Find the list of reports that become the top-level menu entries.
      topLevelReports = [ reportDef ]
      report = reportDef
      while report.parent
        report = report.parent
        topLevelReports = report.kids
      end

      generate(reports, topLevelReports, reportDef,
               content = NavigatorElement.new(nil))
      content.to_html
    end

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