Examples of ptolemy.kernel.util.StringAttribute

ptolemy.kernel.util.StringAttribute
An attribute that has a string value. Use setExpression() to define the value, as in for example
```
 attribute.setExpression("xxx"); 
```
The default value of the string contained by this attribute is the empty string.
By default, an instance of this class is fully visible in a user interface. The visibility is indicated to the user interface when the user interface calls the getVisibility() method of this class and the value Settable.FULL is returned to the userInterface.
Note that the string value within StringAttribute cannot reference other StringAttributes or Parameters, so if an actor has a public StringAttribute, then one cannot make the value of that attribute dependent on a value higher in the hierarchy. Usually, actors have public ptolemy.data.expr.Parameters instead of public StringAttributes so that the value can reference other parameters. The primary reason to use StringAttribute is if you want a string that will not be parsed and you do not want to type a leading a trailing double quote. @see Settable#FULL @author Edward A. Lee @version $Id: StringAttribute.java,v 1.57 2006/09/16 11:20:46 eal Exp $ @since Ptolemy II 1.0 @Pt.ProposedRating Green (eal) @Pt.AcceptedRating Green (cxh)

        inputA.setTypeAtMost(BaseType.SCALAR);
        output = new TypedIOPort(this, "output", false, true);
        output.setTypeSameAs(inputA);
        selectedA = new TypedIOPort(this, "selectedA", false, true);
        selectedA.setTypeEquals(BaseType.BOOLEAN);
        StringAttribute channelCardinal = new StringAttribute(selectedA, "_cardinal");
        channelCardinal.setExpression("SOUTH");
        _attachText("_iconDescription", "<svg>\n" + "<polygon points=\"-10,20 10,10 10,-10, -10,-20\" "+"style=\"fill:blue\"/>\n"+"</svg>\n");
    }

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    public Switch(CompositeEntity container, String name) throws IllegalActionException, NameDuplicationException  {
        super(container, name);
        output.setMultiport(true);
        control = new TypedIOPort(this, "control", true, false);
        control.setTypeEquals(BaseType.INT);
        StringAttribute controlCardinal = new StringAttribute(control, "_cardinal");
        controlCardinal.setExpression("SOUTH");
    }

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        control = new TypedIOPort(this, "control", true, false);
        control.setTypeEquals(BaseType.BOOLEAN);
        output = new TypedIOPort(this, "output", false, true);
        output.setTypeAtLeast(trueInput);
        output.setTypeAtLeast(falseInput);
        StringAttribute controlCardinal = new StringAttribute(control, "_cardinal");
        controlCardinal.setExpression("SOUTH");
        _attachText("_iconDescription", "<svg>\n" + "<rect x=\"-20\" y=\"-20\" "+"width=\"40\" height=\"40\" "+"style=\"fill:white\"/>\n"+"<text x=\"-17\" y=\"-3\" "+"style=\"font-size:14\">\n"+"T \n"+"</text>\n"+"<text x=\"-17\" y=\"15\" "+"style=\"font-size:14\">\n"+"F \n"+"</text>\n"+"<text x=\"-5\" y=\"16\" "+"style=\"font-size:14\">\n"+"C \n"+"</text>\n"+"</svg>\n");
    }

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    public Select(CompositeEntity container, String name) throws IllegalActionException, NameDuplicationException  {
        super(container, name);
        input.setMultiport(true);
        control = new TypedIOPort(this, "control", true, false);
        control.setTypeEquals(BaseType.INT);
        StringAttribute controlCardinal = new StringAttribute(control, "_cardinal");
        controlCardinal.setExpression("SOUTH");
    }

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        control.setTypeEquals(BaseType.BOOLEAN);
        trueOutput = new TypedIOPort(this, "trueOutput", false, true);
        falseOutput = new TypedIOPort(this, "falseOutput", false, true);
        trueOutput.setTypeAtLeast(input);
        falseOutput.setTypeAtLeast(input);
        StringAttribute controlCardinal = new StringAttribute(control, "_cardinal");
        controlCardinal.setExpression("SOUTH");
    }

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        fillOnWrapup = new Parameter(this, "fillOnWrapup", new BooleanToken(
                true));
        fillOnWrapup.setTypeEquals(BaseType.BOOLEAN);


        legend = new StringAttribute(this, "legend");


        _windowProperties = new WindowPropertiesAttribute(this,
                "_windowProperties");
        // Note that we have to force this to be persistent because
        // there is no real mechanism for the value of the properties

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        output.setTypeEquals(BaseType.OBJECT);
        width = new Parameter(this, "width", new IntToken(0));
        height = new Parameter(this, "height", new IntToken(0));
        bandValues = new Parameter(this, "bandValues", new ArrayToken(
                BaseType.INT, _defaultValues));
        dataFormat = new StringAttribute(this, "dataFormat");
        dataFormat.setExpression("byte");
        _dataFormat = _BYTE;
    }

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        super(container, name);


        affineMatrix = new Parameter(this, "affineMatrix",
                new DoubleMatrixToken(_initialMatrix));


        interpolationType = new StringAttribute(this, "interpolationType");
        interpolationType.setExpression("bilinear");
        _interpolationType = _BILINEAR;


        subSampleBits = new Parameter(this, "subSampleBits", new IntToken(8));

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        degrees.setTypeEquals(BaseType.DOUBLE);
        degrees.setExpression("0.0");


        input.setTypeEquals(BaseType.OBJECT);


        interpolationType = new StringAttribute(this, "interpolationType");
        interpolationType.setExpression("bilinear");
        _interpolationType = _BILINEAR;


        output.setTypeEquals(BaseType.OBJECT);

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     */
    public JAIIDFT(CompositeEntity container, String name)
            throws IllegalActionException, NameDuplicationException {
        super(container, name);


        scalingType = new StringAttribute(this, "scalingType");
        scalingType.setExpression("dimensions");
        _scalingType = _DIMENSIONS;


        dataNature = new StringAttribute(this, "dataNature");
        dataNature.setExpression("complexToReal");
        _dataNature = _COMPLEX_TO_REAL;


        input.setTypeEquals(BaseType.OBJECT);
        output.setTypeEquals(BaseType.OBJECT);

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