Example usage for org.jfree.data KeyedObjects removeValue

Introduction

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

Prototype

public void removeValue(Comparable key) 

Source Link

Document

Removes a value from the collection.

Usage

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

/**
 * Some checks for the removeValue(int) method.
 *//*from   ww w.  j av a 2s.co  m*/
@Test
public void testRemoveValueInt() {
    KeyedObjects ko1 = new KeyedObjects();
    ko1.setObject("Key 1", "Object 1");
    ko1.setObject("Key 2", null);
    ko1.setObject("Key 3", "Object 2");

    ko1.removeValue(1);
    assertEquals(2, ko1.getItemCount());
    assertEquals(1, ko1.getIndex("Key 3"));

    // try negative key index
    boolean pass = false;
    try {
        ko1.removeValue(-1);
    } catch (IndexOutOfBoundsException e) {
        pass = true;
    }
    assertTrue(pass);

    // try key index == itemCount
    pass = false;
    try {
        ko1.removeValue(2);
    } catch (IndexOutOfBoundsException e) {
        pass = true;
    }
    assertTrue(pass);
}

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

/**
 * Some checks for the removeValue() methods.
 *///w  w w. j a va2 s  . c o  m
@Test
public void testRemoveValue() {
    KeyedObjects ko1 = new KeyedObjects();
    ko1.setObject("Key 1", "Object 1");
    ko1.setObject("Key 2", null);
    ko1.setObject("Key 3", "Object 2");

    ko1.removeValue(1);
    assertEquals(2, ko1.getItemCount());
    assertEquals(1, ko1.getIndex("Key 3"));

    ko1.removeValue("Key 1");
    assertEquals(1, ko1.getItemCount());
    assertEquals(0, ko1.getIndex("Key 3"));

    // try unknown key
    boolean pass = false;
    try {
        ko1.removeValue("UNKNOWN");
    } catch (UnknownKeyException e) {
        pass = true;
    }
    assertTrue(pass);

    // try null argument
    pass = false;
    try {
        ko1.removeValue(null);
    } catch (IllegalArgumentException e) {
        pass = true;
    }
    assertTrue(pass);
}

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From source file:org.jfree.data.KeyedObjects2D.java

/**
 * Removes an entire column from the table.
 *
 * @param columnKey  the column key (<code>null</code> not permitted).
 *
 * @throws UnknownKeyException if <code>rowKey</code> is not recognised.
 *
 * @see #removeRow(Comparable)// w w  w. j  a  v a 2  s  .  c  om
 */
public void removeColumn(Comparable columnKey) {
    int index = getColumnIndex(columnKey);
    if (index < 0) {
        throw new UnknownKeyException("Column key (" + columnKey + ") not recognised.");
    }
    Iterator iterator = this.rows.iterator();
    while (iterator.hasNext()) {
        KeyedObjects rowData = (KeyedObjects) iterator.next();
        int i = rowData.getIndex(columnKey);
        if (i >= 0) {
            rowData.removeValue(i);
        }
    }
    this.columnKeys.remove(columnKey);
}

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

/**
 * Some checks for the removeValue(int) method.
 *//*w  w w . j  a  v  a 2s  .c om*/
public void testRemoveValueInt() {
    KeyedObjects ko1 = new KeyedObjects();
    ko1.setObject("Key 1", "Object 1");
    ko1.setObject("Key 2", null);
    ko1.setObject("Key 3", "Object 2");

    ko1.removeValue(1);
    assertEquals(2, ko1.getItemCount());
    assertEquals(1, ko1.getIndex("Key 3"));

    // try negative key index
    boolean pass = false;
    try {
        ko1.removeValue(-1);
    } catch (IndexOutOfBoundsException e) {
        pass = true;
    }
    assertTrue(pass);

    // try key index == itemCount
    pass = false;
    try {
        ko1.removeValue(2);
    } catch (IndexOutOfBoundsException e) {
        pass = true;
    }
    assertTrue(pass);
}

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

/**
 * Some checks for the removeValue() methods.
 *///  w  w  w .  j ava2  s  .co m
public void testRemoveValue() {
    KeyedObjects ko1 = new KeyedObjects();
    ko1.setObject("Key 1", "Object 1");
    ko1.setObject("Key 2", null);
    ko1.setObject("Key 3", "Object 2");

    ko1.removeValue(1);
    assertEquals(2, ko1.getItemCount());
    assertEquals(1, ko1.getIndex("Key 3"));

    ko1.removeValue("Key 1");
    assertEquals(1, ko1.getItemCount());
    assertEquals(0, ko1.getIndex("Key 3"));

    // try unknown key
    boolean pass = false;
    try {
        ko1.removeValue("UNKNOWN");
    } catch (UnknownKeyException e) {
        pass = true;
    }
    assertTrue(pass);

    // try null argument
    pass = false;
    try {
        ko1.removeValue(null);
    } catch (IllegalArgumentException e) {
        pass = true;
    }
    assertTrue(pass);
}

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From source file:org.jfree.data.KeyedObjects2D.java

/**
 * Removes an object from the table by setting it to <code>null</code>.  If
 * all the objects 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 #addObject(Object, Comparable, Comparable)
 *//*from   ww  w.  j a  va2s. c o m*/
public void removeObject(Comparable rowKey, Comparable columnKey) {
    int rowIndex = getRowIndex(rowKey);
    if (rowIndex < 0) {
        throw new UnknownKeyException("Row key (" + rowKey + ") not recognised.");
    }
    int columnIndex = getColumnIndex(columnKey);
    if (columnIndex < 0) {
        throw new UnknownKeyException("Column key (" + columnKey + ") not recognised.");
    }
    setObject(null, rowKey, columnKey);

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

    for (int item = 0, itemCount = row.getItemCount(); item < itemCount; item++) {
        if (row.getObject(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;

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

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

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