Java 类org.jfree.chart.event.TitleChangeEvent 实例源码

/**
 * Sets the image for the title and notifies registered listeners that the
 * title has been modified.
 *
 * @param image  the new image (<code>null</code> not permitted).
 */
public void setImage(Image image) {

    if (image == null) {
        throw new NullPointerException("ImageTitle.setImage (..): Image must not be null.");
    }
    this.image = image;
    notifyListeners(new TitleChangeEvent(this));

}

/**
 * Sets the position for the title and sends a {@link TitleChangeEvent} to all registered 
 * listeners.
 *
 * @param position  the position (<code>null</code> not permitted).
 */
public void setPosition(RectangleEdge position) {
    if (position == null) {
        throw new IllegalArgumentException("Null 'position' argument.");
    }
    if (this.position != position) {
        this.position = position;
        notifyListeners(new TitleChangeEvent(this));
    }
}

/**
 * Sets the horizontal alignment for the title and sends a {@link TitleChangeEvent} to
 * all registered listeners.
 *
 * @param alignment  the horizontal alignment (<code>null</code> not permitted).
 */
public void setHorizontalAlignment(HorizontalAlignment alignment) {
    if (alignment == null) {
        throw new IllegalArgumentException("Null 'alignment' argument.");
    }
    if (this.horizontalAlignment != alignment) {
        this.horizontalAlignment = alignment;
        notifyListeners(new TitleChangeEvent(this));
    }
}

/**
 * Sets the vertical alignment for the title, and notifies any registered
 * listeners of the change.
 *
 * @param alignment  the new vertical alignment (TOP, MIDDLE or BOTTOM, 
 *                   <code>null</code> not permitted).
 */
public void setVerticalAlignment(VerticalAlignment alignment) {
    if (alignment == null) {
        throw new IllegalArgumentException("Argument 'alignment' cannot be null.");
    }
    if (this.verticalAlignment != alignment) {
        this.verticalAlignment = alignment;
        notifyListeners(new TitleChangeEvent(this));
    }
}

/**
 * Sets the spacer for the title and sends a {@link TitleChangeEvent} to all registered 
 * listeners.
 *
 * @param spacer  the new spacer (<code>null</code> not permitted).
 */
public void setSpacer(Spacer spacer) {
    if (spacer == null) {
        throw new NullPointerException("AbstractTitle.setSpacer(): null not permitted.");
    }
    if (!this.spacer.equals(spacer)) {
        this.spacer = spacer;
        notifyListeners(new TitleChangeEvent(this));
    }

}

/**
 * Notifies all registered listeners that the chart title has changed in some way.
 *
 * @param event  an object that contains information about the change to the title.
 */
protected void notifyListeners(TitleChangeEvent event) {

    if (this.notify) {

        Object[] listeners = this.listenerList.getListenerList();
        for (int i = listeners.length - 2; i >= 0; i -= 2) {
            if (listeners[i] == TitleChangeListener.class) {
                ((TitleChangeListener) listeners[i + 1]).titleChanged(event);
            }
        }
    }

}

/**
 * Sets the title to the specified text and sends a {@link TitleChangeEvent} to all
 * registered listeners.
 *
 * @param text  the text (<code>null</code> not permitted).
 */
public void setText(String text) {

    if (text == null) {
        throw new NullPointerException("TextTitle.setText(..): Text is null");
    }
    if (!this.text.equals(text)) {
        this.text = text;
        notifyListeners(new TitleChangeEvent(this));
    }

}

/**
 * Sets the font used to display the title string.  Registered listeners are notified that
 * the title has been modified.
 *
 * @param font  the new font (<code>null</code> not permitted).
 */
public void setFont(Font font) {

    // check argument...
    if (font == null) {
        throw new IllegalArgumentException("TextTitle.setFont(...): null font not permitted.");
    }

    // make the change...
    if (!this.font.equals(font)) {
        this.font = font;
        notifyListeners(new TitleChangeEvent(this));
    }

}

/**
 * Sets the paint used to display the title string.  Registered listeners are notified that
 * the title has been modified.
 *
 * @param paint  the new paint (<code>null</code> not permitted).
 */
public void setPaint(Paint paint) {
    if (paint == null) {
        throw new IllegalArgumentException(
            "TextTitle.setPaint(...): null paint not permitted."
        );
    }
    if (!this.paint.equals(paint)) {
        this.paint = paint;
        notifyListeners(new TitleChangeEvent(this));
    }
}

/**
 * Sets the image for the title and notifies registered listeners that the
 * title has been modified.
 *
 * @param image  the new image (<code>null</code> not permitted).
 */
public void setImage(Image image) {
    if (image == null) {
        throw new NullPointerException("Null 'image' argument.");
    }
    this.image = image;
    notifyListeners(new TitleChangeEvent(this));
}

/**
 * Sets the legend item sources and sends a {@link TitleChangeEvent} to
 * all registered listeners.
 * 
 * @param sources  the sources (<code>null</code> not permitted).
 */
public void setSources(LegendItemSource[] sources) {
    if (sources == null) {
        throw new IllegalArgumentException("Null 'sources' argument.");   
    }
    this.sources = sources;
    notifyListeners(new TitleChangeEvent(this));
}

/**
 * Sets the location of the shape within each legend item.
 * 
 * @param edge  the edge (<code>null</code> not permitted).
 */
public void setLegendItemGraphicEdge(RectangleEdge edge) {
    if (edge == null) {
        throw new IllegalArgumentException("Null 'edge' argument.");
    }
    this.legendItemGraphicEdge = edge;
    notifyListeners(new TitleChangeEvent(this));
}

/**
 * Sets the padding that will be applied to each item graphic in the 
 * legend and sends a {@link TitleChangeEvent} to all registered listeners.
 * 
 * @param padding  the padding (<code>null</code> not permitted).
 */
public void setLegendItemGraphicPadding(RectangleInsets padding) {
    if (padding == null) {
        throw new IllegalArgumentException("Null 'padding' argument.");   
    }
    this.legendItemGraphicPadding = padding;
    notifyListeners(new TitleChangeEvent(this));
}

/**
 * Sets the item font and sends a {@link TitleChangeEvent} to
 * all registered listeners.
 * 
 * @param font  the font (<code>null</code> not permitted).
 */
public void setItemFont(Font font) {
    if (font == null) {
        throw new IllegalArgumentException("Null 'font' argument.");   
    }
    this.itemFont = font;
    notifyListeners(new TitleChangeEvent(this));
}

/**
 * Sets the item paint.
 *
 * @param paint  the paint (<code>null</code> not permitted).
 */
public void setItemPaint(Paint paint) {
    if (paint == null) {
        throw new IllegalArgumentException("Null 'paint' argument.");   
    }
    this.itemPaint = paint;
    notifyListeners(new TitleChangeEvent(this));
}

/**
 * Sets the padding used for the item labels in the legend.
 * 
 * @param padding  the padding (<code>null</code> not permitted).
 */
public void setItemLabelPadding(RectangleInsets padding) {
    if (padding == null) {
        throw new IllegalArgumentException("Null 'padding' argument.");   
    }
    this.itemLabelPadding = padding;
    notifyListeners(new TitleChangeEvent(this));
}

/**
 * Sets the position for the title and sends a {@link TitleChangeEvent} to 
 * all registered listeners.
 *
 * @param position  the position (<code>null</code> not permitted).
 */
public void setPosition(RectangleEdge position) {
    if (position == null) {
        throw new IllegalArgumentException("Null 'position' argument.");
    }
    if (this.position != position) {
        this.position = position;
        notifyListeners(new TitleChangeEvent(this));
    }
}

/**
 * Sets the horizontal alignment for the title and sends a 
 * {@link TitleChangeEvent} to all registered listeners.
 *
 * @param alignment  the horizontal alignment (<code>null</code> not 
 *                   permitted).
 */
public void setHorizontalAlignment(HorizontalAlignment alignment) {
    if (alignment == null) {
        throw new IllegalArgumentException("Null 'alignment' argument.");
    }
    if (this.horizontalAlignment != alignment) {
        this.horizontalAlignment = alignment;
        notifyListeners(new TitleChangeEvent(this));
    }
}

/**
 * Sets the vertical alignment for the title, and notifies any registered
 * listeners of the change.
 *
 * @param alignment  the new vertical alignment (TOP, MIDDLE or BOTTOM, 
 *                   <code>null</code> not permitted).
 */
public void setVerticalAlignment(VerticalAlignment alignment) {
    if (alignment == null) {
        throw new IllegalArgumentException("Null 'alignment' argument.");
    }
    if (this.verticalAlignment != alignment) {
        this.verticalAlignment = alignment;
        notifyListeners(new TitleChangeEvent(this));
    }
}

/**
 * Notifies all registered listeners that the chart title has changed in 
 * some way.
 *
 * @param event  an object that contains information about the change to 
 *               the title.
 */
protected void notifyListeners(TitleChangeEvent event) {
    if (this.notify) {
        Object[] listeners = this.listenerList.getListenerList();
        for (int i = listeners.length - 2; i >= 0; i -= 2) {
            if (listeners[i] == TitleChangeListener.class) {
                ((TitleChangeListener) listeners[i + 1]).titleChanged(
                        event);
            }
        }
    }
}

/**
 * Sets the title to the specified text and sends a 
 * {@link TitleChangeEvent} to all registered listeners.
 *
 * @param text  the text (<code>null</code> not permitted).
 */
public void setText(String text) {
    if (text == null) {
        throw new NullPointerException("Null 'text' argument.");
    }
    if (!this.text.equals(text)) {
        this.text = text;
        notifyListeners(new TitleChangeEvent(this));
    }
}

/**
 * Sets the text alignment.
 * 
 * @param alignment  the alignment (<code>null</code> not permitted).
 */
public void setTextAlignment(HorizontalAlignment alignment) {
    if (alignment == null) {
        throw new IllegalArgumentException("Null 'alignment' argument.");
    }
    this.textAlignment = alignment;
    notifyListeners(new TitleChangeEvent(this));
}

/**
 * Sets the font used to display the title string.  Registered listeners 
 * are notified that the title has been modified.
 *
 * @param font  the new font (<code>null</code> not permitted).
 */
public void setFont(Font font) {
    if (font == null) {
        throw new IllegalArgumentException("Null 'font' argument.");
    }
    if (!this.font.equals(font)) {
        this.font = font;
        notifyListeners(new TitleChangeEvent(this));
    }
}

/**
 * Sets the paint used to display the title string.  Registered listeners 
 * are notified that the title has been modified.
 *
 * @param paint  the new paint (<code>null</code> not permitted).
 */
public void setPaint(Paint paint) {
    if (paint == null) {
        throw new IllegalArgumentException("Null 'paint' argument.");
    }
    if (!this.paint.equals(paint)) {
        this.paint = paint;
        notifyListeners(new TitleChangeEvent(this));
    }
}

/**
 * Sets the image for the title and notifies registered listeners that the
 * title has been modified.
 *
 * @param image  the new image ({@code null} not permitted).
 */
public void setImage(Image image) {
    if (image == null) {
        throw new NullPointerException("Null 'image' argument.");
    }
    this.image = image;
    notifyListeners(new TitleChangeEvent(this));
}

/**
 * Sets the position for the title and sends a {@link TitleChangeEvent} to
 * all registered listeners.
 *
 * @param position  the position (<code>null</code> not permitted).
 */
public void setPosition(RectangleEdge position) {
    ParamChecks.nullNotPermitted(position, "position");
    if (this.position != position) {
        this.position = position;
        notifyListeners(new TitleChangeEvent(this));
    }
}

/**
 * Sets the horizontal alignment for the title and sends a
 * {@link TitleChangeEvent} to all registered listeners.
 *
 * @param alignment  the horizontal alignment (<code>null</code> not
 *                   permitted).
 */
public void setHorizontalAlignment(HorizontalAlignment alignment) {
    ParamChecks.nullNotPermitted(alignment, "alignment");
    if (this.horizontalAlignment != alignment) {
        this.horizontalAlignment = alignment;
        notifyListeners(new TitleChangeEvent(this));
    }
}

/**
 * Sets the vertical alignment for the title, and notifies any registered
 * listeners of the change.
 *
 * @param alignment  the new vertical alignment (TOP, MIDDLE or BOTTOM,
 *                   <code>null</code> not permitted).
 */
public void setVerticalAlignment(VerticalAlignment alignment) {
    ParamChecks.nullNotPermitted(alignment, "alignment");
    if (this.verticalAlignment != alignment) {
        this.verticalAlignment = alignment;
        notifyListeners(new TitleChangeEvent(this));
    }
}

/**
 * Notifies all registered listeners that the chart title has changed in
 * some way.
 *
 * @param event  an object that contains information about the change to
 *               the title.
 */
protected void notifyListeners(TitleChangeEvent event) {
    if (this.notify) {
        Object[] listeners = this.listenerList.getListenerList();
        for (int i = listeners.length - 2; i >= 0; i -= 2) {
            if (listeners[i] == TitleChangeListener.class) {
                ((TitleChangeListener) listeners[i + 1]).titleChanged(
                        event);
            }
        }
    }
}

/**
 * Sets the title to the specified text and sends a
 * {@link TitleChangeEvent} to all registered listeners.
 *
 * @param text  the text (<code>null</code> not permitted).
 */
public void setText(String text) {
    ParamChecks.nullNotPermitted(text, "text");
    if (!this.text.equals(text)) {
        this.text = text;
        notifyListeners(new TitleChangeEvent(this));
    }
}

/**
 * Sets the image for the title and notifies registered listeners that the
 * title has been modified.
 *
 * @param image  the new image ({@code null} not permitted).
 */
public void setImage(Image image) {
    if (image == null) {
        throw new NullPointerException("Null 'image' argument.");
    }
    this.image = image;
    notifyListeners(new TitleChangeEvent(this));
}

/**
 * Sets the position for the title and sends a {@link TitleChangeEvent} to
 * all registered listeners.
 *
 * @param position  the position ({@code null} not permitted).
 */
public void setPosition(RectangleEdge position) {
    Args.nullNotPermitted(position, "position");
    if (this.position != position) {
        this.position = position;
        notifyListeners(new TitleChangeEvent(this));
    }
}

/**
 * Sets the horizontal alignment for the title and sends a
 * {@link TitleChangeEvent} to all registered listeners.
 *
 * @param alignment  the horizontal alignment ({@code null} not
 *                   permitted).
 */
public void setHorizontalAlignment(HorizontalAlignment alignment) {
    Args.nullNotPermitted(alignment, "alignment");
    if (this.horizontalAlignment != alignment) {
        this.horizontalAlignment = alignment;
        notifyListeners(new TitleChangeEvent(this));
    }
}

/**
 * Sets the vertical alignment for the title, and notifies any registered
 * listeners of the change.
 *
 * @param alignment  the new vertical alignment (TOP, MIDDLE or BOTTOM,
 *                   {@code null} not permitted).
 */
public void setVerticalAlignment(VerticalAlignment alignment) {
    Args.nullNotPermitted(alignment, "alignment");
    if (this.verticalAlignment != alignment) {
        this.verticalAlignment = alignment;
        notifyListeners(new TitleChangeEvent(this));
    }
}

/**
 * Notifies all registered listeners that the chart title has changed in
 * some way.
 *
 * @param event  an object that contains information about the change to
 *               the title.
 */
protected void notifyListeners(TitleChangeEvent event) {
    if (this.notify) {
        Object[] listeners = this.listenerList.getListenerList();
        for (int i = listeners.length - 2; i >= 0; i -= 2) {
            if (listeners[i] == TitleChangeListener.class) {
                ((TitleChangeListener) listeners[i + 1]).titleChanged(
                        event);
            }
        }
    }
}

/**
 * Sets the title to the specified text and sends a
 * {@link TitleChangeEvent} to all registered listeners.
 *
 * @param text  the text ({@code null} not permitted).
 */
public void setText(String text) {
    Args.nullNotPermitted(text, "text");
    if (!this.text.equals(text)) {
        this.text = text;
        notifyListeners(new TitleChangeEvent(this));
    }
}

/**
 * Sets the image for the title and notifies registered listeners that the
 * title has been modified.
 *
 * @param image  the new image ({@code null} not permitted).
 */
public void setImage(Image image) {
    if (image == null) {
        throw new NullPointerException("Null 'image' argument.");
    }
    this.image = image;
    notifyListeners(new TitleChangeEvent(this));
}

/**
 * Sets the position for the title and sends a {@link TitleChangeEvent} to
 * all registered listeners.
 *
 * @param position  the position (<code>null</code> not permitted).
 */
public void setPosition(RectangleEdge position) {
    ParamChecks.nullNotPermitted(position, "position");
    if (this.position != position) {
        this.position = position;
        notifyListeners(new TitleChangeEvent(this));
    }
}

/**
 * Sets the vertical alignment for the title, and notifies any registered
 * listeners of the change.
 *
 * @param alignment  the new vertical alignment (TOP, MIDDLE or BOTTOM,
 *                   <code>null</code> not permitted).
 */
public void setVerticalAlignment(VerticalAlignment alignment) {
    ParamChecks.nullNotPermitted(alignment, "alignment");
    if (this.verticalAlignment != alignment) {
        this.verticalAlignment = alignment;
        notifyListeners(new TitleChangeEvent(this));
    }
}

/**
 * Notifies all registered listeners that the chart title has changed in
 * some way.
 *
 * @param event  an object that contains information about the change to
 *               the title.
 */
protected void notifyListeners(TitleChangeEvent event) {
    if (this.notify) {
        Object[] listeners = this.listenerList.getListenerList();
        for (int i = listeners.length - 2; i >= 0; i -= 2) {
            if (listeners[i] == TitleChangeListener.class) {
                ((TitleChangeListener) listeners[i + 1]).titleChanged(
                        event);
            }
        }
    }
}