Java DatasetChangeEvent类代码示例

import org.jfree.data.general.DatasetChangeEvent; //导入依赖的package包/类
/**
 * Sets the dataset for the plot, replacing the existing dataset if there is one.
 * 
 * @param dataset  the dataset (<code>null</code> permitted).
 */
public void setDataset(ValueDataset dataset) {
    
    // if there is an existing dataset, remove the plot from the list of change listeners...
    ValueDataset existing = this.dataset;
    if (existing != null) {
        existing.removeChangeListener(this);
    }

    // set the new dataset, and register the chart as a change listener...
    this.dataset = dataset;
    if (dataset != null) {
        setDatasetGroup(dataset.getGroup());
        dataset.addChangeListener(this);
    }

    // send a dataset change event to self...
    DatasetChangeEvent event = new DatasetChangeEvent(this, dataset);
    datasetChanged(event);
    
}
 

import org.jfree.data.general.DatasetChangeEvent; //导入依赖的package包/类
/**
 * Sets the dataset for the plot, replacing the existing dataset if there is one.
 *
 * @param dataset  the dataset (<code>null</code> permitted).
 */
public void setDataset(XYDataset dataset) {
    // if there is an existing dataset, remove the plot from the list of change listeners...
    XYDataset existing = this.dataset;
    if (existing != null) {
        existing.removeChangeListener(this);
    }
   
    // set the new m_Dataset, and register the chart as a change listener...
    this.dataset = dataset;
    if (this.dataset != null) {
        setDatasetGroup(this.dataset.getGroup());
        this.dataset.addChangeListener(this);
    }
   
    // send a m_Dataset change event to self...
    DatasetChangeEvent event = new DatasetChangeEvent(this, this.dataset);
    datasetChanged(event);
}
 

import org.jfree.data.general.DatasetChangeEvent; //导入依赖的package包/类
/**
 * Sets a dataset for the plot.
 *
 * @param index  the dataset index.
 * @param dataset  the dataset (<code>null</code> permitted).
 */
public void setDataset(int index, XYDataset dataset) {
    XYDataset existing = getDataset(index);
    if (existing != null) {
        existing.removeChangeListener(this);
    }
    this.datasets.set(index, dataset);
    if (dataset != null) {
        dataset.addChangeListener(this);
    }

    // map dataset to main axis by default
    if (index >= this.domainAxisMap.size()) {
        this.domainAxisMap.set(index, new Integer(0));
    }
    if (index >= this.rangeAxisMap.size()) {
        this.rangeAxisMap.set(index, new Integer(0));
    }

    // send a dataset change event to self...
    DatasetChangeEvent event = new DatasetChangeEvent(this, dataset);
    datasetChanged(event);
}
 

import org.jfree.data.general.DatasetChangeEvent; //导入依赖的package包/类
/**
     * Sets the dataset for the plot, replacing the existing dataset if there is one.
 *
 * @param dataset  the dataset (<code>null</code> permitted).
 */
public void setDataset(ValueDataset dataset) {

  // if there is an existing dataset, remove the plot from the list of change listeners...
  ValueDataset existing = this.dataset;
  if (existing != null) {
    existing.removeChangeListener(this);
  }

  // set the new dataset, and register the chart as a change listener...
  this.dataset = dataset;
  if (dataset != null) {
    setDatasetGroup(dataset.getGroup());
    dataset.addChangeListener(this);
  }

  // send a dataset change event to self...
  DatasetChangeEvent event = new DatasetChangeEvent(this, dataset);
  datasetChanged(event);

}
 

import org.jfree.data.general.DatasetChangeEvent; //导入依赖的package包/类
/**
 * Checks to see if a new value means the axis range needs adjusting.
 *
 * @param event  the dataset change event.
 */
public void datasetChanged(DatasetChangeEvent event) {

  Number vn = this.dataset.getValue();
  if (vn != null) {
    double value = vn.doubleValue();
    if (inSubrange(NORMAL, value)) {
      this.subrange = NORMAL;
    }
    else if (inSubrange(WARNING, value)) {
      this.subrange = WARNING;
    }
    else if (inSubrange(CRITICAL, value)) {
      this.subrange = CRITICAL;
    }
    else {
      this.subrange = -1;
    }
    setAxisRange();
  }
  super.datasetChanged(event);
}
 

import org.jfree.data.general.DatasetChangeEvent; //导入依赖的package包/类
/**
 * Sets the dataset for the plot, replacing the existing dataset if there is one.
 * 
 * @param dataset  the dataset (<code>null</code> permitted).
 */
public void setDataset(ContourDataset dataset) {
    
    // if there is an existing dataset, remove the plot from the list of change listeners...
    ContourDataset existing = this.dataset;
    if (existing != null) {
        existing.removeChangeListener(this);
    }

    // set the new dataset, and register the chart as a change listener...
    this.dataset = dataset;
    if (dataset != null) {
        setDatasetGroup(dataset.getGroup());
        dataset.addChangeListener(this);
    }

    // send a dataset change event to self...
    DatasetChangeEvent event = new DatasetChangeEvent(this, dataset);
    datasetChanged(event);
    
}
 

import org.jfree.data.general.DatasetChangeEvent; //导入依赖的package包/类
/**
 * Receives notification of a change to the plot's dataset.
 * <P>
 * The chart reacts by passing on a chart change event to all registered
 * listeners.
 *
 * @param event  Information about the event (not used here).
 */
public void datasetChanged(DatasetChangeEvent event) {

    if (this.domainAxis != null) {
        this.domainAxis.configure();
    }

    if (this.rangeAxis != null) {
        this.rangeAxis.configure();
    }

    if (this.colorBar != null) {
        this.colorBar.configure(this);
    }

    PlotChangeEvent e = new PlotChangeEvent(this);
    notifyListeners(e);
}
 

import org.jfree.data.general.DatasetChangeEvent; //导入依赖的package包/类
/**
 * Sets the dataset and sends a {@link DatasetChangeEvent} to 'this'.
 *
 * @param dataset  the dataset (<code>null</code> permitted).
 */
public void setDataset(PieDataset dataset) {
    // if there is an existing dataset, remove the plot from the list of change listeners...
    PieDataset existing = this.dataset;
    if (existing != null) {
        existing.removeChangeListener(this);
    }

    // set the new dataset, and register the chart as a change listener...
    this.dataset = dataset;
    if (dataset != null) {
        setDatasetGroup(dataset.getGroup());
        dataset.addChangeListener(this);
    }

    // send a dataset change event to self...
    DatasetChangeEvent event = new DatasetChangeEvent(this, dataset);
    datasetChanged(event);
}
 

import org.jfree.data.general.DatasetChangeEvent; //导入依赖的package包/类
/**
 * Sets a dataset for the plot.
 *
 * @param index  the dataset index.
 * @param dataset  the dataset (<code>null</code> permitted).
 */
public void setDataset(int index, CategoryDataset dataset) {
    
    CategoryDataset existing = (CategoryDataset) this.datasets.get(index);
    if (existing != null) {
        existing.removeChangeListener(this);
    }
    this.datasets.set(index, dataset);
    if (dataset != null) {
        dataset.addChangeListener(this);
    }
    
    // send a dataset change event to self...
    DatasetChangeEvent event = new DatasetChangeEvent(this, dataset);
    datasetChanged(event);
    
}
 

import org.jfree.data.general.DatasetChangeEvent; //导入依赖的package包/类
/**
 * Receives notification of a change to the plot's dataset.
 * <P>
 * The range axis bounds will be recalculated if necessary.
 *
 * @param event  information about the event (not used here).
 */
public void datasetChanged(DatasetChangeEvent event) {

    int count = this.rangeAxes.size();
    for (int axisIndex = 0; axisIndex < count; axisIndex++) {
        ValueAxis yAxis = getRangeAxis(axisIndex);
        if (yAxis != null) {
            yAxis.configure();
        }
    }
    if (getParent() != null) {
        getParent().datasetChanged(event);
    }
    else {
        PlotChangeEvent e = new PlotChangeEvent(this);
        notifyListeners(e);
    }

}
 

import org.jfree.data.general.DatasetChangeEvent; //导入依赖的package包/类
/**
 * Sets a dataset for the plot.
 *
 * @param index  the dataset index.
 * @param dataset  the dataset (<code>null</code> permitted).
 */
public void setDataset(int index, ValueDataset dataset) {
    
    ValueDataset existing = (ValueDataset) this.datasets.get(index);
    if (existing != null) {
        existing.removeChangeListener(this);
    }
    this.datasets.set(index, dataset);
    if (dataset != null) {
        dataset.addChangeListener(this);
    }
    
    // send a dataset change event to self...
    DatasetChangeEvent event = new DatasetChangeEvent(this, dataset);
    datasetChanged(event);
    
}
 

import org.jfree.data.general.DatasetChangeEvent; //导入依赖的package包/类
/**
 * Sets the dataset for the plot, replacing the existing dataset if there 
 * is one, and triggers a {@link PlotChangeEvent}.
 * 
 * @param dataset  the dataset (<code>null</code> permitted).
 * 
 * @see #getDataset()
 */
public void setDataset(ValueDataset dataset) {
    
    // if there is an existing dataset, remove the plot from the list of 
    // change listeners...
    ValueDataset existing = this.dataset;
    if (existing != null) {
        existing.removeChangeListener(this);
    }

    // set the new dataset, and register the chart as a change listener...
    this.dataset = dataset;
    if (dataset != null) {
        setDatasetGroup(dataset.getGroup());
        dataset.addChangeListener(this);
    }

    // send a dataset change event to self...
    DatasetChangeEvent event = new DatasetChangeEvent(this, dataset);
    datasetChanged(event);
    
}
 

import org.jfree.data.general.DatasetChangeEvent; //导入依赖的package包/类
/**
 * Sets the dataset used by the plot and sends a {@link PlotChangeEvent}
 * to all registered listeners.
 * 
 * @param dataset  the dataset (<code>null</code> permitted).
 * 
 * @see #getDataset()
 */
public void setDataset(CategoryDataset dataset) {
    // if there is an existing dataset, remove the plot from the list of 
    // change listeners...
    if (this.dataset != null) {
        this.dataset.removeChangeListener(this);
    }

    // set the new dataset, and register the chart as a change listener...
    this.dataset = dataset;
    if (dataset != null) {
        setDatasetGroup(dataset.getGroup());
        dataset.addChangeListener(this);
    }

    // send a dataset change event to self to trigger plot change event
    datasetChanged(new DatasetChangeEvent(this, dataset));
}
 

import org.jfree.data.general.DatasetChangeEvent; //导入依赖的package包/类
/**
 * Sets the dataset for the plot, replacing the existing dataset if there 
 * is one.
 *
 * @param dataset  the dataset (<code>null</code> permitted).
 * 
 * @see #getDataset()
 */
public void setDataset(XYDataset dataset) {
    // if there is an existing dataset, remove the plot from the list of 
    // change listeners...
    XYDataset existing = this.dataset;
    if (existing != null) {
        existing.removeChangeListener(this);
    }
   
    // set the new m_Dataset, and register the chart as a change listener...
    this.dataset = dataset;
    if (this.dataset != null) {
        setDatasetGroup(this.dataset.getGroup());
        this.dataset.addChangeListener(this);
    }
   
    // send a m_Dataset change event to self...
    DatasetChangeEvent event = new DatasetChangeEvent(this, this.dataset);
    datasetChanged(event);
}
 

import org.jfree.data.general.DatasetChangeEvent; //导入依赖的package包/类
/**
 * Sets the dataset for the plot, replacing the existing dataset if there 
 * is one.
 *
 * @param dataset  the dataset (<code>null</code> permitted).
 */
public void setDataset(ValueDataset dataset) {

    // if there is an existing dataset, remove the plot from the list 
    // of change listeners...
    ValueDataset existing = this.dataset;
    if (existing != null) {
        existing.removeChangeListener(this);
    }

    // set the new dataset, and register the chart as a change listener...
    this.dataset = dataset;
    if (dataset != null) {
        setDatasetGroup(dataset.getGroup());
        dataset.addChangeListener(this);
    }

    // send a dataset change event to self...
    DatasetChangeEvent event = new DatasetChangeEvent(this, dataset);
    datasetChanged(event);

}