Example usage for org.jfree.data DefaultKeyedValues removeValue

Introduction

In this page you can find the example usage for org.jfree.data DefaultKeyedValues removeValue.

Prototype

public void removeValue(Comparable key) 

Source Link

Document

Removes a value from the collection.

Usage

From source file:org.jfree.data.DefaultKeyedValuesTest.java

/**
 * Another check for the getIndex(Comparable) method.
 *//* www.java 2 s.c  o  m*/
@Test
public void testGetIndex2() {
    DefaultKeyedValues v = new DefaultKeyedValues();
    assertEquals(-1, v.getIndex("K1"));
    v.addValue("K1", 1.0);
    assertEquals(0, v.getIndex("K1"));
    v.removeValue("K1");
    assertEquals(-1, v.getIndex("K1"));
}

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From source file:org.jfree.data.junit.DefaultKeyedValuesTest.java

/**
 * Another check for the getIndex(Comparable) method.
 *//*w ww .ja v  a2s  . c  om*/
public void testGetIndex2() {
    DefaultKeyedValues v = new DefaultKeyedValues();
    assertEquals(-1, v.getIndex("K1"));
    v.addValue("K1", 1.0);
    assertEquals(0, v.getIndex("K1"));
    v.removeValue("K1");
    assertEquals(-1, v.getIndex("K1"));
}

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From source file:org.jfree.data.DefaultKeyedValues2D.java

/**
 * Removes a column from the table.//from  w  w w . ja va2  s  . c om
 *
 * @param columnKey  the column key (<code>null</code> not permitted).
 * 
 * @throws UnknownKeyException if the table does not contain a column with
 *     the specified key.
 * @throws IllegalArgumentException if <code>columnKey</code> is 
 *     <code>null</code>.
 * 
 * @see #removeColumn(int)
 * @see #removeRow(Comparable)
 */
public void removeColumn(Comparable columnKey) {
    if (columnKey == null) {
        throw new IllegalArgumentException("Null 'columnKey' argument.");
    }
    if (!this.columnKeys.contains(columnKey)) {
        throw new UnknownKeyException("Unknown key: " + columnKey);
    }
    Iterator iterator = this.rows.iterator();
    while (iterator.hasNext()) {
        DefaultKeyedValues rowData = (DefaultKeyedValues) iterator.next();
        int index = rowData.getIndex(columnKey);
        if (index >= 0) {
            rowData.removeValue(columnKey);
        }
    }
    this.columnKeys.remove(columnKey);
}

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From source file:org.jfree.data.DefaultKeyedValues2D.java

/**
 * Removes a column from the table./*from   w w  w .  j  a  va2 s .co m*/
 *
 * @param columnKey  the column key (<code>null</code> not permitted).
 *
 * @throws UnknownKeyException if the table does not contain a column with
 *     the specified key.
 * @throws IllegalArgumentException if <code>columnKey</code> is
 *     <code>null</code>.
 *
 * @see #removeColumn(int)
 * @see #removeRow(Comparable)
 */
public void removeColumn(Comparable columnKey) {
    ParamChecks.nullNotPermitted(columnKey, "columnKey");
    if (!this.columnKeys.contains(columnKey)) {
        throw new UnknownKeyException("Unknown key: " + columnKey);
    }
    Iterator iterator = this.rows.iterator();
    while (iterator.hasNext()) {
        DefaultKeyedValues rowData = (DefaultKeyedValues) iterator.next();
        int index = rowData.getIndex(columnKey);
        if (index >= 0) {
            rowData.removeValue(columnKey);
        }
    }
    this.columnKeys.remove(columnKey);
}

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From source file:org.jfree.data.DefaultKeyedValuesTest.java

/**
 * Some tests for the removeValue() method.
 *//*from   w w w. jav a2 s  .co m*/
@Test
public void testRemoveValue() {
    DefaultKeyedValues data = new DefaultKeyedValues();
    data.addValue("A", new Double(1.0));
    data.addValue("B", null);
    data.addValue("C", new Double(3.0));
    data.addValue("D", new Double(2.0));
    assertEquals(1, data.getIndex("B"));
    data.removeValue("B");
    assertEquals(-1, data.getIndex("B"));

    boolean pass = false;
    try {
        data.removeValue("XXX");
    } catch (UnknownKeyException e) {
        pass = true;
    }
    assertTrue(pass);
}

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From source file:org.jfree.data.junit.DefaultKeyedValuesTest.java

/**
 * Some tests for the removeValue() method.
 *///from   w ww.j av  a 2 s  .  com
public void testRemoveValue() {
    DefaultKeyedValues data = new DefaultKeyedValues();
    data.addValue("A", new Double(1.0));
    data.addValue("B", null);
    data.addValue("C", new Double(3.0));
    data.addValue("D", new Double(2.0));
    assertEquals(1, data.getIndex("B"));
    data.removeValue("B");
    assertEquals(-1, data.getIndex("B"));

    boolean pass = false;
    try {
        data.removeValue("XXX");
    } catch (UnknownKeyException e) {
        pass = true;
    }
    assertTrue(pass);
}

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From source file:org.jfree.data.DefaultKeyedValues2D.java

/**
 * Removes a value from the table by setting it to <code>null</code>.  If
 * all the values in the specified row and/or column are now
 * <code>null</code>, the row and/or column is removed from the table.
 *
 * @param rowKey  the row key (<code>null</code> not permitted).
 * @param columnKey  the column key (<code>null</code> not permitted).
 *
 * @see #addValue(Number, Comparable, Comparable)
 *//*  w w w . jav a2 s  .  com*/
public void removeValue(Comparable rowKey, Comparable columnKey) {
    setValue(null, rowKey, columnKey);

    // 1. check whether the row is now empty.
    boolean allNull = true;
    int rowIndex = getRowIndex(rowKey);
    DefaultKeyedValues row = (DefaultKeyedValues) this.rows.get(rowIndex);

    for (int item = 0, itemCount = row.getItemCount(); item < itemCount; item++) {
        if (row.getValue(item) != null) {
            allNull = false;
            break;
        }
    }

    if (allNull) {
        this.rowKeys.remove(rowIndex);
        this.rows.remove(rowIndex);
    }

    // 2. check whether the column is now empty.
    allNull = true;
    //int columnIndex = getColumnIndex(columnKey);

    for (int item = 0, itemCount = this.rows.size(); item < itemCount; item++) {
        row = (DefaultKeyedValues) this.rows.get(item);
        int columnIndex = row.getIndex(columnKey);
        if (columnIndex >= 0 && row.getValue(columnIndex) != null) {
            allNull = false;
            break;
        }
    }

    if (allNull) {
        for (int item = 0, itemCount = this.rows.size(); item < itemCount; item++) {
            row = (DefaultKeyedValues) this.rows.get(item);
            int columnIndex = row.getIndex(columnKey);
            if (columnIndex >= 0) {
                row.removeValue(columnIndex);
            }
        }
        this.columnKeys.remove(columnKey);
    }
}

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