Example usage for org.jfree.data.datasetextension DatasetIterator hasNext

Introduction

In this page you can find the example usage for org.jfree.data.datasetextension DatasetIterator hasNext.

Prototype

boolean hasNext();

Source Link

Document

Returns true if the iteration has more elements.

Usage

From source file:org.jfree.expdemo.SelectionDemo6Pie.java

public void selectionChanged(SelectionChangeEvent event) {
    while (this.model.getRowCount() > 0) {
        this.model.removeRow(0);
    }/*from w w w.  j  a v a 2  s  . com*/

    PieDatasetSelectionExtension ext = (PieDatasetSelectionExtension) event.getSelectionExtension();
    DatasetIterator iter = ext.getSelectionIterator(true);

    while (iter.hasNext()) {
        PieCursor dc = (PieCursor) iter.nextCursor();
        this.model.addRow(new Object[] { dc.key, this.dataset.getValue(dc.key) });
    }
}

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From source file:org.jfree.expdemo.SelectionDemo4.java

/**
 * The selection changed, so we change the table model
 * //from ww  w .  java  2 s.c  om
 * @param event
 */
public void selectionChanged(SelectionChangeEvent event) {
    while (this.model.getRowCount() > 0) {
        this.model.removeRow(0);
    }

    XYDatasetSelectionExtension ext = (XYDatasetSelectionExtension) event.getSelectionExtension();
    DatasetIterator iter = ext.getSelectionIterator(true);

    while (iter.hasNext()) {
        XYCursor dc = (XYCursor) iter.nextCursor();
        this.model.addRow(new Object[] { new Integer(dc.item), dataset.getStartX(dc.series, dc.item),
                this.dataset.getEndX(dc.series, dc.item), this.dataset.getY(dc.series, dc.item) });
    }
}

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From source file:org.jfree.expdemo.SelectionDemo5Category.java

public void selectionChanged(SelectionChangeEvent event) {
    while (this.model.getRowCount() > 0) {
        this.model.removeRow(0);
    }//  ww  w .ja  v a2 s .  c o m

    CategoryDatasetSelectionExtension ext = (CategoryDatasetSelectionExtension) event.getSelectionExtension();
    DatasetIterator iter = ext.getSelectionIterator(true);

    while (iter.hasNext()) {
        CategoryCursor dc = (CategoryCursor) iter.nextCursor();
        this.model.addRow(new Object[] { dc.rowKey, dc.columnKey, dataset.getValue(dc.rowKey, dc.columnKey) });
    }
}

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From source file:org.jfree.expdemo.SelectionDemo2.java

/**
 * The selection changed, so we change the table model
 * //from ww  w .j a  va 2s.co m
 * @param event
 */
public void selectionChanged(SelectionChangeEvent event) {
    while (this.model.getRowCount() > 0) {
        this.model.removeRow(0);
    }

    XYDatasetSelectionExtension ext = (XYDatasetSelectionExtension) event.getSelectionExtension();
    DatasetIterator iter = ext.getSelectionIterator(true);

    while (iter.hasNext()) {
        XYCursor dc = (XYCursor) iter.nextCursor();

        Comparable seriesKey = this.dataset.getSeriesKey(dc.series);
        Number x = this.dataset.getX(dc.series, dc.item);
        Number y = this.dataset.getX(dc.series, dc.item);

        this.model.addRow(new Object[] { seriesKey, new Integer(dc.item), x, y });
    }
}

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From source file:org.jfree.expdemo.SelectionDemo1.java

/**
 * The selection changed, so we change the table model
 * //from   w w w  .j  a  va2 s .c o m
 * @param event
 */
public void selectionChanged(SelectionChangeEvent event) {
    while (this.model.getRowCount() > 0) {
        this.model.removeRow(0);
    }

    XYDatasetSelectionExtension ext = (XYDatasetSelectionExtension) event.getSelectionExtension();
    DatasetIterator iter = ext.getSelectionIterator(true);

    while (iter.hasNext()) {
        XYCursor dc = (XYCursor) iter.nextCursor();

        Comparable seriesKey = this.dataset.getSeriesKey(dc.series);
        RegularTimePeriod p = this.dataset.getSeries(dc.series).getTimePeriod(dc.item);
        Number value = this.dataset.getY(dc.series, dc.item);

        this.model.addRow(new Object[] { seriesKey, new Integer(dc.item), p, value });
    }
}

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