Class: Roby::GUI::ObjectInfoView

Inherits:
Qt::ListWidget
  • Object
show all
Defined in:
lib/roby/gui/object_info_view.rb

Overview

Widget that can be used to display the information about a plan object (either relation or task)

The object should be provided to #display to update the view. #activate can then be used to show the widget and make it toplevel (force its visibility).

Instance Method Summary collapse

Constructor Details

#initialize(parent = nil) ⇒ ObjectInfoView

Returns a new instance of ObjectInfoView.



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# File 'lib/roby/gui/object_info_view.rb', line 12

def initialize(parent = nil)
    super
    resize(400, 400)

    connect(SIGNAL("itemDoubleClicked(QListWidgetItem*)")) do |item|
        emit selectedTime(item.data(Qt::UserRole).to_date_time)
    end
end

Instance Method Details

#activate ⇒ Object

Shows the widget and makes it visible (i.e. toplevel)



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# File 'lib/roby/gui/object_info_view.rb', line 85

def activate
    show
    activateWindow
end

#display(obj, plan) ⇒ Object

Updates the view to display the information about obj



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# File 'lib/roby/gui/object_info_view.rb', line 26

def display(obj, plan)
    sections = []
    if obj.kind_of?(Array)
        from, to, rel = obj
        section = [
            rel.to_s,
            ["from: #{from}",
             "to: #{to}",
             "info: #{plan.task_relation_graph_for(rel).edge_info(from, to)}"]
        ]
        sections << section

    elsif obj.kind_of?(Task)
        sections << ["Model", [obj.model.name]]
        # Add general task information (owner, arguments, ...)
        text = obj.arguments.map do |key, value|
            "#{key}: #{value}"
        end
        sections << ["Arguments", text]

        # Add the history
        if obj.failed_to_start?
            text = []
            text << ["Failed to start at #{Roby.format_time(obj.failed_to_start_time)}", obj.failed_to_start_time]
            text.concat(Roby.format_exception(obj))
        else
            text = obj.history.map do |event|
                time_as_text = Roby.format_time(event.time).to_s
                ["#{time_as_text}: #{event.symbol}", event.time]
            end
        end
        sections << ["History", text]
        sections << ["Model Ancestry", obj.model.ancestors.map(&:name)]
    else
        return false
    end

    self.windowTitle = "Details for #{obj}"
    clear
    sections.each do |header, lines|
        if header
            item = Qt::ListWidgetItem.new(self)
            item.text = header
            item.background = Qt::Brush.new(Qt::Color.new("#45C1FF"))
            font = item.font
            font.weight = Qt::Font::Bold
            item.font = font
        end
        lines.each do |txt, time|
            item = Qt::ListWidgetItem.new("  #{txt}")
            if time
                item.setData(Qt::UserRole, Qt::Variant.new(Qt::DateTime.new(time)))
            end
            addItem(item)
        end
    end
end