Class: JLDrill::FileProgressContext

Inherits:
Context::Context show all
Defined in:
lib/jldrill/contexts/FileProgressContext.rb

Defined Under Namespace

Classes: FileProgress

Instance Attribute Summary

Attributes inherited from Context::Context

#mainView, #parent, #viewBridge

Instance Method Summary collapse

Methods inherited from Context::Context

#addView, #isEntered?, #onExit, #peekAtView, #setupViews

Constructor Details

#initialize(viewBridge) ⇒ FileProgressContext

Returns a new instance of FileProgressContext.



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# File 'lib/jldrill/contexts/FileProgressContext.rb', line 28

def initialize(viewBridge)
    super(viewBridge)
end

Instance Method Details

#createViews ⇒ Object 



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# File 'lib/jldrill/contexts/FileProgressContext.rb', line 32

def createViews
			@mainView = @viewBridge.FileProgress.new(self)
end

#destroyViews ⇒ Object 



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# File 'lib/jldrill/contexts/FileProgressContext.rb', line 36

def destroyViews
    @mainView = nil
end

#enter(parent) ⇒ Object 



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# File 'lib/jldrill/contexts/FileProgressContext.rb', line 74

def enter(parent)
    if isValid?(parent)
        super(parent)
        readFile
        # The view will exit the context when the file
        # has finished loading.  This is because we
        # can't exit the context until the idle process
        # is removed, and this can only be done by the view.
    end
end

#exit ⇒ Object 



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# File 'lib/jldrill/contexts/FileProgressContext.rb', line 85

def exit
    super
end

#exitFileProgressContext ⇒ Object 



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# File 'lib/jldrill/contexts/FileProgressContext.rb', line 40

def exitFileProgressContext
    self.exit
end

#isValid?(parent) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/jldrill/contexts/FileProgressContext.rb', line 63

def isValid?(parent)
    retVal = false
    if !parent.nil?
        if (!getFilename.nil?) && 
            (!getFile.loaded? || (getFile.file != getFilename))
            retVal = true
        end
    end
    return retVal
end

#readFile ⇒ Object 



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# File 'lib/jldrill/contexts/FileProgressContext.rb', line 44

def readFile
    eof = false
    filename = getFilename()
    if !filename.nil? && !getFile.nil?
        @parent.startLongEvent()
        getFile.load(filename)
        @parent.stopLongEvent()
        @mainView.idle_add do
            eof = getFile.parseChunk(getFile.stepSize)
            @mainView.update(getFile.fraction)
            fraction = getFile.fraction
            if eof
                exitFileProgressContext
            end
            eof
        end
    end
end